/* ============================================================
   PUBLIC SITE — THEME: DEFAULT
   Built with CSS custom properties so swapping themes requires
   only overriding the :root block in a new theme file.
   ============================================================ */

:root {
  /* ── Brand ─────────────────────────────────── */
  --color-primary:        #1D4ED8; /* deep electric blue — trust, authority */
  --color-primary-hover:  #1E40AF;
  --color-primary-light:  #EFF6FF;

  /* ── Typography ────────────────────────────── */
  --color-text:           #0F172A;
  --color-text-muted:     #64748B;
  --color-text-subtle:    #94A3B8;

  /* ── Surface ───────────────────────────────── */
  --color-bg:             #FFFFFF;
  --color-bg-subtle:      #F8FAFC;
  --color-border:         #E2E8F0;
  --color-border-hover:   #CBD5E1;

  /* ── Shape ─────────────────────────────────── */
  --radius:               12px;
  --radius-sm:            6px;
  --radius-lg:            20px;

  /* ── Fonts ─────────────────────────────────── */
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter',
          'Helvetica Neue', Arial, sans-serif;

  /* ── Elevation ──────────────────────────────── */
  --shadow-xs:  0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm:  0 1px 4px rgba(0, 0, 0, 0.07), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md:  0 4px 20px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);

  /* ── Layout ─────────────────────────────────── */
  --header-height: 64px;
  --max-width:     1160px;
  --page-pad:      clamp(16px, 4vw, 32px);

  /* ── Motion ─────────────────────────────────── */
  --transition: 0.2s ease;
}

/* ============================================================
   BASE RESET
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

a   { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; }

/* ============================================================
   PUBLIC HEADER
   ============================================================ */

.public-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.public-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--page-pad);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.header-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.header-logo img {
  height: 32px;
  width: auto;
  display: block;
}

.header-brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1;
}

.header-brand-name {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.header-brand-slogan {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Desktop nav */
.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-text);
  background: var(--color-bg-subtle);
}

.nav-link.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* Hamburger button */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-text);
  flex-shrink: 0;
}

.hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger.open .hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open .hamburger-line:nth-child(2) { opacity: 0; }
.hamburger.open .hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  padding: 12px var(--page-pad) 20px;
}

.mobile-nav.open { display: block; }

.mobile-nav .nav-link {
  display: block;
  padding: 12px 16px;
  font-size: 1rem;
  border-radius: var(--radius-sm);
}

@media (max-width: 640px) {
  .header-nav  { display: none; }
  .hamburger   { display: flex; }
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */

.contact-page {
  min-height: calc(100vh - var(--header-height) - 80px);
}

/* ── Hero ───────────────────────────────────── */

.contact-hero {
  background: linear-gradient(
    160deg,
    var(--color-bg-subtle) 0%,
    var(--color-bg) 70%
  );
  border-bottom: 1px solid var(--color-border);
  padding: clamp(56px, 8vw, 96px) var(--page-pad) clamp(48px, 6vw, 72px);
  text-align: center;
}

.contact-hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: 16px;
}

.contact-hero p {
  font-size: clamp(1rem, 2vw, 1.1875rem);
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ── Cards grid ─────────────────────────────── */

.contact-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(40px, 6vw, 72px) var(--page-pad) clamp(56px, 8vw, 96px);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

/* ── Individual card ────────────────────────── */

.contact-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-xs);
  transition:
    box-shadow var(--transition),
    transform  var(--transition),
    border-color var(--transition);
}

.contact-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  flex-shrink: 0;
}

.contact-card-label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-subtle);
  margin-bottom: 8px;
}

.contact-card-value {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.6;
}

.contact-card-value + .contact-card-value {
  margin-top: 4px;
}

.contact-card-value a {
  color: var(--color-primary);
  word-break: break-all;
  transition: color var(--transition);
}

.contact-card-value a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

/* ── Social card ────────────────────────────── */

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-bg);
  transition:
    color var(--transition),
    border-color var(--transition),
    background var(--transition);
}

.social-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

/* ============================================================
   PUBLIC FOOTER
   ============================================================ */

.public-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
  padding: 28px var(--page-pad);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) 1fr 1fr 1fr;
  gap: 20px 28px;
  align-items: start;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-brand-link {
  display: inline-flex;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  line-height: 1.1;
}

.footer-copy {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer-col {
  min-width: 0;
}

.footer-heading {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
  margin: 2px 0 10px;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color var(--transition), opacity var(--transition);
}

.footer-link:hover {
  color: var(--color-text);
}

.footer-link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .footer-heading {
    margin-bottom: 8px;
  }
}

/* ============================================================
   LINK DEVICE PAGE
   ============================================================ */

.linkdevice-wrap {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px var(--page-pad);
}

.linkdevice-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  max-width: 520px;
  width: 100%;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.linkdevice-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 6px;
}

.linkdevice-subtitle {
  color: var(--color-text-subtle);
  margin: 0 0 28px;
}

.linkdevice-info {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 28px;
}

.linkdevice-info__heading {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin: 0 0 12px;
}

.linkdevice-info__list {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 16px;
  margin: 0;
}

.linkdevice-info__key {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: capitalize;
}

.linkdevice-info__val {
  font-size: 0.8125rem;
  color: var(--color-text);
  margin: 0;
}

.linkdevice-slots {
  font-size: 0.8125rem;
  color: var(--color-text-subtle);
  margin: 12px 0 0;
}

.linkdevice-actions {
  margin-top: 12px;
}

.linkdevice-actions--reject {
  margin-top: 8px;
}

/* ============================================================
   ACCOUNT DEVICES PAGE
   ============================================================ */

.account-devices-wrap {
  padding: 48px var(--page-pad);
}

.account-devices-inner {
  max-width: 640px;
  margin: 0 auto;
}

.account-devices-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 8px;
}

.account-devices-usage {
  color: var(--color-text-subtle);
  font-size: 0.9375rem;
  margin: 0 0 24px;
}

.account-devices-empty {
  color: var(--color-text-muted);
  font-style: italic;
}

/* ============================================================
   ACCOUNT PAGE
   ============================================================ */

.acc-page {
  padding: clamp(40px, 7vw, 84px) var(--page-pad);
}

.acc-shell {
  max-width: 860px;
  margin: 0 auto;
}

.acc-hero {
  text-align: center;
  margin: 0 auto 2rem;
  max-width: 52rem;
}

.acc-heading {
  margin: 0 0 0.65rem;
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 0.95;
  color: var(--color-text);
}

.acc-subheading {
  margin: 0 auto;
  max-width: 42rem;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.acc-card {
  max-width: 860px;
  margin: 0 auto 1rem;
  padding: 1.4rem 1.4rem 1.25rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.9);
}

.acc-card-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
}

.acc-card-subtitle {
  margin: 0.35rem 0 0;
  color: var(--color-text-muted);
  font-size: 0.94rem;
}

.acc-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.acc-card-header-copy {
  min-width: 0;
}

.acc-profile-grid,
.acc-sub-list,
.acc-gene-list {
  margin: 0;
}

.acc-profile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.85rem;
}

.acc-profile-item,
.acc-sub-item,
.acc-gene-item {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 12px;
  background: rgba(248, 250, 252, 0.72);
}

.acc-profile-item {
  padding: 1rem 1.05rem;
}

.acc-profile-item dt {
  margin: 0 0 0.4rem;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.acc-profile-item dd {
  margin: 0;
  color: var(--color-text);
}

.acc-mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  word-break: break-all;
}

.acc-empty {
  margin: 0;
  color: var(--color-text-muted);
}

.acc-sub-list,
.acc-gene-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.acc-sub-item,
.acc-gene-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.05rem;
}

.acc-sub-info,
.acc-gene-info {
  display: flex;
  flex-direction: column;
  gap: 0.22rem;
  min-width: 0;
}

.acc-sub-name,
.acc-gene-name {
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.acc-sub-name:hover,
.acc-gene-name:hover,
.acc-view-all:hover,
.acc-external-link:hover {
  color: var(--color-primary);
}

.acc-sub-sku,
.acc-sub-date,
.acc-gene-date,
.acc-gene-sku {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.acc-gene-sku {
  display: inline-block;
  width: fit-content;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.acc-status {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.acc-status--active {
  color: #166534;
  background: rgba(34, 197, 94, 0.14);
}

.acc-status--cancelled,
.acc-status--suspended,
.acc-status--other {
  color: var(--color-text-muted);
  background: rgba(148, 163, 184, 0.14);
}

.acc-view-all,
.acc-external-link {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
}

.acc-external-icon {
  width: 14px;
  height: 14px;
}

.acc-usage-meter {
  width: 100%;
  height: 9px;
  margin: 0 0 1rem;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.18);
  overflow: hidden;
}

.acc-usage-meter__fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-text) 0%, var(--color-primary, #6366f1) 100%);
}

.acc-deactivate-btn {
  flex-shrink: 0;
  min-height: 40px;
  padding: 0.65rem 1rem;
  border: 1px solid rgba(15, 23, 42, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-text);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), border-color var(--transition);
}

.acc-deactivate-btn:hover {
  transform: translateY(-1px);
  background: rgba(248, 250, 252, 0.98);
  border-color: rgba(15, 23, 42, 0.22);
}

@media (max-width: 720px) {
  .acc-card-header,
  .acc-sub-item,
  .acc-gene-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .acc-view-all,
  .acc-external-link,
  .acc-status,
  .acc-deactivate-btn {
    align-self: flex-start;
  }
}

.device-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.device-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px 18px;
}

.device-item__info {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.device-item__key {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  font-family: monospace;
}

.device-item__date {
  font-size: 0.8125rem;
  color: var(--color-text-subtle);
}

.btn--danger-sm {
  font-size: 0.8125rem;
  padding: 5px 14px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid var(--color-danger, #ef4444);
  color: var(--color-danger, #ef4444);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.btn--danger-sm:hover {
  background: var(--color-danger, #ef4444);
  color: #fff;
}

/* ============================================================
   UTILITIES
   ============================================================ */

/* Skip-to-content link for keyboard / screen-reader users */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 200;
  padding: 8px 20px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  transition: top 0.1s;
}

.skip-link:focus { top: 8px; }

/* ============================================================
   DOWNLOAD PAGE
   ============================================================ */

/* ── Empty state ──────────────────────────────────────────── */

.dl-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--header-height) - 80px);
  padding: var(--page-pad);
  text-align: center;
}

.dl-empty-inner {
  max-width: 400px;
}

.dl-empty-inner svg {
  color: var(--color-text-subtle);
  margin: 0 auto 24px;
}

.dl-empty-inner h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.dl-empty-inner p {
  color: var(--color-text-muted);
  font-size: 1rem;
}

/* ── Hero ─────────────────────────────────────────────────── */

.dl-hero {
  background: linear-gradient(160deg, var(--color-bg-subtle) 0%, var(--color-bg) 70%);
  border-bottom: 1px solid var(--color-border);
  padding: clamp(48px, 7vw, 80px) var(--page-pad) clamp(40px, 5vw, 64px);
}

.dl-hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.dl-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 12px;
}

.dl-hero-sub {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  margin-bottom: 36px;
}

/* ── OS tab pills ─────────────────────────────────────────── */

.os-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.os-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: 999px;
  border: 1.5px solid var(--color-border);
  background: var(--color-bg);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition:
    color var(--transition),
    border-color var(--transition),
    background var(--transition),
    box-shadow var(--transition);
}

.os-tab:hover {
  color: var(--color-text);
  border-color: var(--color-border-hover);
  background: var(--color-bg-subtle);
}

.os-tab.active {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.12);
}

/* ── OS panels ────────────────────────────────────────────── */

.os-panel { display: block; }
.os-panel--hidden { display: none; }

.dl-no-releases {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  padding: 24px 0;
}

/* ── Download card grid ───────────────────────────────────── */

.dl-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

/* ── Individual download card ─────────────────────────────── */

.dl-card {
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow-xs);
  transition:
    box-shadow var(--transition),
    border-color var(--transition),
    transform var(--transition);
}

.dl-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}

/* Featured card gets the brand border and subtle glow */
.dl-card--featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.08), var(--shadow-sm);
}

.dl-card--featured:hover {
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.15), var(--shadow-md);
}

.dl-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.dl-arch-badge,
.dl-type-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 3px 8px;
  border-radius: 4px;
}

.dl-arch-badge {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.dl-type-badge {
  background: var(--color-bg-subtle);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

/* ── Download CTA button ──────────────────────────────────── */

.btn-dl {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn-dl:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

.btn-dl-size {
  margin-left: auto;
  font-size: 0.8125rem;
  font-weight: 400;
  opacity: 0.8;
  padding-left: 10px;
  border-left: 1px solid rgba(255, 255, 255, 0.3);
}

/* Non-featured cards get an outlined button */
.dl-card:not(.dl-card--featured) .btn-dl {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.dl-card:not(.dl-card--featured) .btn-dl:hover {
  background: var(--color-primary-light);
}

.dl-card:not(.dl-card--featured) .btn-dl-size {
  opacity: 0.7;
  border-left-color: rgba(29, 78, 216, 0.3);
}

.dl-version-info {
  font-size: 0.8125rem;
  color: var(--color-text-subtle);
}

/* ── Checksum disclosure ──────────────────────────────────── */

.checksum-details {
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
  margin-top: 2px;
}

.checksum-summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-subtle);
  cursor: pointer;
  user-select: none;
  list-style: none;
  padding: 2px 0;
  transition: color var(--transition);
}

.checksum-summary::-webkit-details-marker { display: none; }

.checksum-details[open] .checksum-summary,
.checksum-summary:hover {
  color: var(--color-text-muted);
}

.checksum-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 10px;
}

.checksum-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
}

.checksum-algo {
  font-weight: 700;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-subtle);
  width: 44px;
  flex-shrink: 0;
}

.checksum-code {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.checksum-copy {
  flex-shrink: 0;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.checksum-copy:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.checksum-copy.copied {
  color: #16a34a;
  border-color: #bbf7d0;
  background: #f0fdf4;
}

/* ── Beta strip ───────────────────────────────────────────── */

.beta-strip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 20px;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-top: 8px;
}

.beta-strip-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.beta-strip-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.beta-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-primary);
  padding: 5px 12px;
  border: 1px solid var(--color-primary);
  border-radius: 999px;
  transition: background var(--transition);
}

.beta-link:hover {
  background: var(--color-primary-light);
}

.beta-size {
  opacity: 0.7;
  font-weight: 400;
  font-size: 0.75rem;
}

/* ── Archive section ──────────────────────────────────────── */

.dl-archive {
  padding: clamp(40px, 5vw, 64px) var(--page-pad) clamp(56px, 7vw, 96px);
  background: var(--color-bg);
}

.dl-archive-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.dl-archive-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.dl-archive-header h2 {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Archive OS filter pills */
.archive-filter {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.archive-filter-btn {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1.5px solid var(--color-border);
  background: var(--color-bg);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.archive-filter-btn:hover {
  color: var(--color-text);
  border-color: var(--color-border-hover);
}

.archive-filter-btn.active {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

/* Archive table */
.archive-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
}

.archive-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.archive-table thead {
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
}

.archive-table th {
  padding: 10px 16px;
  text-align: left;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-subtle);
  white-space: nowrap;
}

.archive-table td {
  padding: 12px 16px;
  color: var(--color-text);
  white-space: nowrap;
  border-bottom: 1px solid var(--color-border);
}

.archive-table tbody tr:last-child td {
  border-bottom: none;
}

.archive-table tbody tr:hover td {
  background: var(--color-bg-subtle);
}

.archive-table tr.hidden-row { display: none; }

.archive-version {
  font-weight: 600;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.8125rem;
}

.archive-date {
  color: var(--color-text-muted);
}

.archive-platform {
  color: var(--color-text-muted);
}

.archive-size {
  color: var(--color-text-muted);
}

.channel-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.channel-badge--stable {
  background: #dcfce7;
  color: #166534;
}

.channel-badge--beta {
  background: #fef9c3;
  color: #854d0e;
}

.archive-dl-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: color var(--transition), background var(--transition);
}

.archive-dl-link:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* ── Responsive tweaks ────────────────────────────────────── */

@media (max-width: 480px) {
  .dl-card-grid {
    grid-template-columns: 1fr;
  }
  .dl-archive-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ============================================================
   STATIC CONTENT PAGES (Privacy Policy, Cookie Policy, etc.)
   ============================================================ */

.static-page {
  padding: clamp(40px, 6vw, 72px) var(--page-pad) clamp(56px, 8vw, 96px);
}

.static-page-inner {
  max-width: 780px;
  margin: 0 auto;
}

.static-page-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.static-page-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 10px;
}

.static-page-meta {
  font-size: 0.875rem;
  color: var(--color-text-subtle);
}

/* ── Prose (shared by static pages and admin preview) ────────────────────── */

.prose {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
}

.prose h1, .prose h2, .prose h3,
.prose h4, .prose h5, .prose h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-top: 1.75em;
  margin-bottom: 0.5em;
}

.prose h1 { font-size: 1.75rem; }
.prose h2 { font-size: 1.375rem; border-bottom: 1px solid var(--color-border); padding-bottom: 6px; }
.prose h3 { font-size: 1.125rem; }
.prose h4 { font-size: 1rem; }

.prose p { margin-bottom: 1em; }

.prose ul, .prose ol {
  padding-left: 1.5em;
  margin-bottom: 1em;
}
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: 0.25em; }

.prose a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: rgba(29, 78, 216, 0.35);
  text-underline-offset: 2px;
  transition: text-decoration-color var(--transition);
}
.prose a:hover { text-decoration-color: var(--color-primary); }

.prose strong { font-weight: 700; }
.prose em     { font-style: italic; }

.prose blockquote {
  border-left: 3px solid var(--color-primary);
  padding-left: 16px;
  margin: 1.25em 0;
  color: var(--color-text-muted);
  font-style: italic;
}

.prose code {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.875em;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  padding: 1px 5px;
  border-radius: 4px;
}

.prose pre {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  overflow-x: auto;
  margin-bottom: 1em;
}
.prose pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.875rem;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1em;
  font-size: 0.9375rem;
}
.prose th, .prose td {
  padding: 8px 14px;
  border: 1px solid var(--color-border);
  text-align: left;
}
.prose th {
  background: var(--color-bg-subtle);
  font-weight: 600;
  font-size: 0.875rem;
}

.prose hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2em 0;
}

/* ── Public /team page ────────────────────────────────────────────────────────── */

.team-page { flex: 1; }

.team-page-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 64px 24px 80px;
}

.team-page-header {
  text-align: center;
  margin-bottom: 56px;
}
.team-page-header h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text, #111827);
}

.team-page-empty {
  text-align: center;
  color: var(--color-text-muted, #6b7280);
  font-size: 1.0625rem;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 32px;
}

.team-card {
  background: #fff;
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s, transform 0.2s;
}
.team-card:hover {
  box-shadow: 0 8px 28px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

.team-card-image-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  background: #f3f4f6;
  overflow: hidden;
}
.team-card-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.team-card-image--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  background: #f9fafb;
}

.team-species-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.team-species-badge--ai {
  background: #dbeafe;
  color: #1e40af;
}

.team-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.team-card-name {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-text, #111827);
}
.team-card-role {
  font-size: 0.9rem;
  color: var(--color-text-muted, #6b7280);
  margin: 0;
}

.team-card-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.team-card-section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-muted, #6b7280);
}

.team-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.team-card-tag {
  font-size: 0.8125rem;
  padding: 3px 10px;
  border-radius: 9999px;
  background: #f3f4f6;
  color: var(--color-text, #374151);
  border: 1px solid #e5e7eb;
}

.team-card-links {
  margin-top: auto;
  padding-top: 4px;
}
.team-card-linkedin {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary, #1D4ED8);
  text-decoration: none;
}
.team-card-linkedin:hover { text-decoration: underline; }



/* ---------------------------------------------------------------
   Custom Page - Public
   --------------------------------------------------------------- */

.cp-article-body ul {
  list-style: disc;
}

.cp-article-body ol {
  list-style: decimal;
}

.cp-article-body ul,
.cp-article-body ol {
  padding-left: 1.75rem;
}

.cp-article-body li::marker {
  color: var(--color-primary);
}   

.cp-article { flex: 1; }

.cp-article-hero { width: 100%; max-height: 420px; overflow: hidden; }
.cp-article-hero-img { width: 100%; height: 100%; object-fit: cover; display: block; }

.cp-article-inner {
  max-width: 780px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.cp-article-header { margin-bottom: 2rem; }

.cp-article-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.cp-category-badge {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 99px;
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.03em;
}
.cp-category-badge:hover { background: color-mix(in srgb, var(--color-primary) 20%, transparent); }

.cp-article-date { color: var(--color-text-muted); }

.cp-article-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 1rem;
  color: var(--color-text);
}

.cp-article-authors {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.cp-author-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}
.cp-author-chip a { color: var(--color-primary); text-decoration: none; }
.cp-author-chip a:hover { text-decoration: underline; }

.cp-article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.cp-tag-chip {
  padding: 0.15rem 0.55rem;
  border-radius: 99px;
  border: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Body content */
.cp-article-body { line-height: 1.75; color: var(--color-text); }
.cp-article-body h1,
.cp-article-body h2,
.cp-article-body h3 { margin: 2rem 0 0.75rem; font-weight: 700; }
.cp-article-body p { margin: 0 0 1.1rem; }
.cp-article-body ul,
.cp-article-body ol { margin: 0 0 1rem 1.25rem; }
.cp-article-body li { margin-bottom: 0.35rem; }
.cp-article-body a { color: var(--color-primary); }
.cp-article-body pre {
  background: #1e1e2e;
  color: #cdd6f4;
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 0.875rem;
  margin: 0 0 1rem;
}
.cp-article-body code {
  font-size: 0.875em;
  background: color-mix(in srgb, var(--color-border) 50%, transparent);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}
.cp-article-body pre code { background: none; padding: 0; }
.cp-article-body blockquote {
  border-left: 4px solid var(--color-primary);
  margin: 0 0 1rem;
  padding: 0.5rem 1rem;
  color: var(--color-text-muted);
  font-style: italic;
}
.cp-article-body img { max-width: 100%; height: auto; border-radius: 8px; }
.cp-article-body table { border-collapse: collapse; width: 100%; margin: 0 0 1rem; }
.cp-article-body th,
.cp-article-body td { border: 1px solid var(--color-border); padding: 0.5rem 0.75rem; }
.cp-article-body th { background: var(--color-border); }

/* FAQ section */
.cp-faq-section {
  margin-top: 3rem;
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
}
.cp-faq-heading { font-size: 1.35rem; font-weight: 700; margin: 0 0 1.25rem; }
.cp-faq-list { display: flex; flex-direction: column; gap: 0.5rem; }
.cp-faq-item {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
}
.cp-faq-question {
  padding: 0.85rem 1rem;
  cursor: pointer;
  font-weight: 600;
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.cp-faq-question::after { content: '+'; font-size: 1.1rem; color: var(--color-text-muted); }
details[open] .cp-faq-question::after { content: '-'; }
.cp-faq-answer {
  padding: 0 1rem 0.85rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

@media (max-width: 600px) {
  .cp-article-inner { padding: 1.5rem 1rem 3rem; }
}

/* ---------------------------------------------------------------
   Category listing page
   --------------------------------------------------------------- */

.cp-cat-page { flex: 1; }

.cp-cat-header {
  background: var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 3rem 1.5rem 2.5rem;
}
.cp-cat-header-inner {
  max-width: 860px;
  margin: 0 auto;
}
.cp-cat-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin: 0 0 0.6rem;
  color: var(--color-text);
}
.cp-cat-desc {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  margin: 0 0 0.5rem;
  line-height: 1.6;
  max-width: 60ch;
}
.cp-cat-count {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin: 0;
}

.cp-cat-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}
.cp-cat-empty {
  max-width: 860px;
  margin: 3rem auto;
  padding: 0 1.5rem;
  color: var(--color-text-muted);
}

/* Card grid */
.cp-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.75rem;
}

.cp-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--color-surface, #fff);
  transition: box-shadow 0.15s, transform 0.15s;
}
.cp-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.cp-card-img-wrap {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-border);
}
.cp-card-img-wrap--placeholder {
  background: linear-gradient(135deg, var(--color-border) 0%, color-mix(in srgb, var(--color-border) 60%, transparent) 100%);
}
.cp-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s;
}
.cp-card:hover .cp-card-img { transform: scale(1.03); }
.cp-card-link { display: block; }

.cp-card-body {
  padding: 1rem 1.25rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  flex: 1;
}

.cp-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}
.cp-card-date { flex-shrink: 0; }
.cp-card-tags { color: var(--color-primary); }

.cp-card-title {
  font-size: 1.0625rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.3;
}
.cp-card-title-link {
  color: var(--color-text);
  text-decoration: none;
}
.cp-card-title-link:hover { color: var(--color-primary); }

.cp-card-excerpt {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cp-card-authors {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: auto;
  padding-top: 0.25rem;
}

/* Pagination */
.cp-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 3rem;
}
.cp-pagination-btn {
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.875rem;
  text-decoration: none;
  color: var(--color-text);
  transition: background 0.15s;
}
.cp-pagination-btn:hover { background: var(--color-border); }
.cp-pagination-btn--disabled {
  opacity: 0.35;
  cursor: default;
  pointer-events: none;
}
.cp-pagination-info { font-size: 0.875rem; color: var(--color-text-muted); }

@media (max-width: 600px) {
  .cp-cat-header { padding: 2rem 1rem 1.75rem; }
  .cp-cat-inner  { padding: 1.5rem 1rem 3rem; }
  .cp-card-grid  { grid-template-columns: 1fr; }
}

/* ============================================================
   HOMEPAGE � HERO SECTION
   ============================================================ */

.home-hero {
  position: relative;
  min-height: calc(100svh - var(--header-height, 72px));
  padding: clamp(40px, 6vw, 84px) var(--page-pad);
  overflow: hidden;
  display: flex;
  background:
    radial-gradient(circle at 82% 24%, rgba(15, 23, 42, 0.06), transparent 28%),
    radial-gradient(circle at 14% 84%, rgba(15, 23, 42, 0.04), transparent 24%),
    linear-gradient(180deg, #fafbfc 0%, #f4f5f7 100%);
}

.home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 82%, transparent);
}

.home-hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--max-width);
  min-height: calc(100svh - var(--header-height, 72px) - 120px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.85fr);
  grid-template-rows: auto auto;
  grid-template-areas:
    "main visual"
    "main side";
  gap: clamp(24px, 4vw, 72px) clamp(32px, 5vw, 88px);
  align-items: end;
}

.home-hero-main {
  grid-area: main;
  display: flex;
  align-self: end;
}

.home-hero-headline {
  margin: 0;
  max-width: 8ch;
  font-size: clamp(3.75rem, 11vw, 9.5rem);
  font-weight: 800;
  line-height: 0.86;
  letter-spacing: -0.08em;
  color: var(--color-text);
  text-wrap: balance;
}

.home-hero-side {
  grid-area: side;
  align-self: end;
  max-width: 34ch;
  padding-bottom: clamp(2px, 1vw, 12px);
}

.home-hero-subheadline {
  margin: 0 0 1.4rem;
  font-size: clamp(1rem, 1.25vw, 1.12rem);
  line-height: 1.65;
  color: var(--color-text-muted);
  text-wrap: pretty;
}

.home-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.btn-hero-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--color-text);
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  background: var(--color-text);
  color: #fff;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: none;
}

.btn-hero-cta::after {
  content: "↗";
  margin-left: 8px;
  font-size: 0.92em;
  transition: transform var(--transition);
}

.btn-hero-cta:hover {
  background: #1e293b;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.14);
}

.btn-hero-cta:hover::after {
  transform: translate(2px, -2px);
}

.btn-hero-cta:active {
  transform: translateY(0);
}

.home-hero-visual {
  grid-area: visual;
  width: min(100%, 420px);
  justify-self: end;
  align-self: start;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.08);
  aspect-ratio: 5 / 4;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
}

.home-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 980px) {
  .home-hero-headline {
    font-size: clamp(3.4rem, 10vw, 7.2rem);
  }
}

/* -- Tablet: stack hero regions -- */
@media (max-width: 860px) {
  .home-hero {
    min-height: auto;
    padding-top: clamp(72px, 14vw, 120px);
    padding-bottom: clamp(64px, 12vw, 100px);
  }

  .home-hero-inner {
    min-height: auto;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    grid-template-areas:
      "main"
      "side"
      "visual";
    gap: 44px;
  }

  .home-hero-visual {
    justify-self: start;
    max-width: 560px;
    width: 100%;
  }

  .home-hero-side {
    max-width: 520px;
  }
}

/* -- Mobile -- */
@media (max-width: 520px) {
  .home-hero {
    padding-left: 20px;
    padding-right: 20px;
  }

  .home-hero-headline {
    font-size: clamp(3rem, 20vw, 5.4rem);
    letter-spacing: -0.07em;
  }

  .home-hero-subheadline {
    font-size: 1rem;
  }

  .home-hero-actions {
    flex-direction: column;
  }

  .btn-hero-cta {
    width: 100%;
  }
}

/* Pages list � featured row (Homepage) */
.pages-list-row--featured {
  background: var(--color-primary-light);
  border-left: 3px solid var(--color-primary);
}

.pages-list-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  background: transparent;
}

/* Admin hero image preview */
.hp-img-preview-wrap {
  margin-top: 0.75rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-border);
  aspect-ratio: 16 / 9;
  background: var(--color-bg-subtle);
  max-width: 420px;
}

.hp-img-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* -- Homepage: features section -------------------------------------------- */
.home-features {
  padding: clamp(64px, 10vw, 120px) var(--page-pad);
  background: var(--color-bg, #fff);
}

.home-features-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.home-features-header {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(280px, 1fr);
  gap: 32px;
  align-items: end;
  margin-bottom: clamp(40px, 6vw, 72px);
}

.home-features-title {
  font-size: clamp(2.35rem, 5vw, 4.8rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.06em;
  color: var(--color-text);
  margin: 0;
  text-wrap: balance;
}

.home-features-subtitle {
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  color: var(--color-text-muted);
  max-width: 42ch;
  margin: 0;
  line-height: 1.6;
  justify-self: end;
}

.home-features-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(56px, 8vw, 96px);
}

.home-features-item {
  display: grid;
  grid-template-columns: minmax(240px, 0.85fr) minmax(320px, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

/* Alternating: even items flip copy/visual order */
.home-features-item:nth-child(even) .home-features-copy  { order: 2; }
.home-features-item:nth-child(even) .home-features-visual { order: 1; }

.home-features-copy {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.home-features-item-title {
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--color-text);
  margin: 0;
}

.home-features-item-desc {
  font-size: clamp(0.95rem, 1.3vw, 1.1rem);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin: 0;
  max-width: 42ch;
}

.home-features-visual {
  width: 100%;
}

.home-features-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: none;
  display: block;
}

.home-features-img-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  background: #f1f3f5;
  border: 1px dashed var(--color-border);
}

@media (max-width: 820px) {
  .home-features-header {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .home-features-subtitle {
    justify-self: start;
  }

  .home-features-item {
    grid-template-columns: 1fr;
  }
  .home-features-item:nth-child(even) .home-features-copy  { order: unset; }
  .home-features-item:nth-child(even) .home-features-visual { order: unset; }
}

/* -- Homepage: featured genes section --------------------------------------- */
.home-featured-genes {
  padding: clamp(56px, 9vw, 104px) var(--page-pad);
  background: var(--color-surface, #f8f9fc);
}

.home-featured-genes-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.home-featured-genes-header {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(280px, 1fr);
  gap: 32px;
  align-items: end;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.home-featured-genes-title {
  font-size: clamp(2.35rem, 5vw, 4.8rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.06em;
  color: var(--color-text);
  margin: 0;
  text-wrap: balance;
}

.home-featured-genes-subtitle {
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  color: var(--color-text-muted);
  max-width: 42ch;
  line-height: 1.6;
  margin: 0;
  justify-self: end;
}

.home-featured-genes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.home-featured-gene-card {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: 1.25rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--color-border);
  box-shadow: none;
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.home-featured-gene-card:hover {
  transform: translateY(-3px);
  background: #fff;
  border-color: var(--color-text);
  color: inherit;
}

.home-featured-gene-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.home-featured-gene-sku {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.home-featured-gene-version {
  font-size: 0.78rem;
  color: var(--color-text-subtle);
}

.home-featured-gene-title {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.3;
  color: var(--color-text);
}

.home-featured-gene-meta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.home-featured-gene-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* -- Homepage: AI models strip ---------------------------------------------- */
.home-ai-models-strip {
  padding: clamp(48px, 8vw, 88px) var(--page-pad);
  background: var(--color-bg, #fff);
}

.home-ai-models-strip-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.home-ai-models-strip-header {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(280px, 1fr);
  gap: 32px;
  align-items: end;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.home-ai-models-strip-title {
  font-size: clamp(2.35rem, 5vw, 4.8rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.06em;
  color: var(--color-text);
  margin: 0;
  text-wrap: balance;
}

.home-ai-models-strip-subtitle {
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  color: var(--color-text-muted);
  max-width: 42ch;
  line-height: 1.6;
  margin: 0;
  justify-self: end;
}

.home-ai-models-strip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(72px, 1fr));
  gap: 1rem;
  align-items: center;
}

.home-ai-models-strip-item {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  padding: 0.9rem;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--color-border);
  box-shadow: none;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.home-ai-models-strip-item:hover {
  transform: translateY(-3px);
  background: #fff;
  border-color: var(--color-text);
}

.home-ai-models-strip-icon {
  width: 44px;
  height: 44px;
  object-fit: contain;
  display: block;
}

/* -- Homepage: FAQ section -------------------------------------------------- */
.home-faq {
  padding: clamp(64px, 10vw, 112px) var(--page-pad);
  background: var(--color-surface, #f8f9fc);
}

.home-faq-inner {
  max-width: 960px;
  margin: 0 auto;
}

.home-faq-header {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(280px, 1fr);
  gap: 32px;
  align-items: end;
  margin-bottom: clamp(36px, 5vw, 60px);
}

.home-faq-title {
  font-size: clamp(2.35rem, 5vw, 4.8rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.06em;
  color: var(--color-text);
  margin: 0;
  text-wrap: balance;
}

.home-faq-subtitle {
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
  max-width: 42ch;
  justify-self: end;
}

.home-faq-list {
  margin: 0;
  padding: 0;
}

.home-faq-item {
  border-bottom: 1px solid var(--color-border);
}

.home-faq-item:first-child {
  border-top: 1px solid var(--color-border);
}

.home-faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 1.1rem 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  transition: color var(--transition, 0.15s ease);
}

.home-faq-question:hover {
  color: var(--color-primary);
}

.home-faq-icon {
  font-size: 1.35rem;
  font-weight: 300;
  line-height: 1;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform var(--transition, 0.15s ease);
}

.home-faq-question[aria-expanded="true"] .home-faq-icon {
  transform: rotate(45deg);
}

.home-faq-answer {
  font-size: clamp(0.9rem, 1.1vw, 1rem);
  color: var(--color-text-muted);
  line-height: 1.7;
  padding: 0 0 1.25rem;
  margin: 0;
  white-space: pre-wrap;
}

@media (max-width: 700px) {
  .home-featured-genes-header,
  .home-ai-models-strip-header,
  .home-features-header,
  .home-faq-header {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .home-featured-genes-subtitle,
  .home-ai-models-strip-subtitle,
  .home-features-subtitle,
  .home-faq-subtitle {
    justify-self: start;
  }
}

/* -- Public courses listing -------------------------------------------------- */
.pub-courses-hero {
  padding: clamp(48px, 8vw, 96px) var(--page-pad) clamp(32px, 5vw, 64px);
  background: var(--color-surface, #f8f9fc);
  text-align: center;
}

.pub-courses-hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.pub-courses-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin: 0;
}

.pub-courses-grid-section {
  padding: clamp(48px, 7vw, 80px) var(--page-pad);
}

.pub-courses-grid-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.pub-courses-empty {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  padding: 3rem 0;
}

.pub-courses-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.75rem;
}

.pub-course-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  background: var(--color-bg, #fff);
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--transition, 0.15s ease), transform var(--transition, 0.15s ease);
}

.pub-course-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.pub-course-card-img-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-primary-light, #eef2ff);
  flex-shrink: 0;
}

.pub-course-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.pub-course-card-img-placeholder {
  width: 100%;
  height: 100%;
  background: var(--color-primary-light, #eef2ff);
}

.pub-course-card-body {
  padding: 1.25rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.pub-course-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.pub-course-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.2em 0.65em;
  line-height: 1.4;
}

.pub-course-badge--difficulty {
  background: var(--color-primary-light, #eef2ff);
  color: var(--color-primary, #4f46e5);
}

.pub-course-badge--duration {
  background: var(--color-surface, #f3f4f6);
  color: var(--color-text-muted);
}

.pub-course-badge--tag {
  background: var(--color-surface, #f3f4f6);
  color: var(--color-text-muted);
}

.pub-course-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  margin: 0;
}

.pub-course-card-summary {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0;
  flex: 1;
}

.pub-course-card-instructor {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* -- Public course detail ---------------------------------------------------- */
.pub-course-detail {
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(40px, 7vw, 80px) var(--page-pad);
}

.pub-course-detail-header {
  margin-bottom: clamp(24px, 4vw, 48px);
}

.pub-course-detail-header-inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pub-course-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.pub-course-detail-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-text);
  margin: 0;
}

.pub-course-detail-summary {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

.pub-course-detail-instructor {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin: 0;
}

.pub-course-detail-media {
  margin-bottom: clamp(32px, 5vw, 56px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
}

.pub-course-detail-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
}

.pub-course-detail-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.pub-course-detail-body {
  display: flex;
  flex-direction: column;
  gap: clamp(32px, 5vw, 56px);
}

.pub-course-learn {
  background: var(--color-surface, #f8f9fc);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
}

.pub-course-learn-title,
.pub-course-desc-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 1rem;
}

.pub-course-learn-list {
  margin: 0;
  padding-left: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.pub-course-learn-list li {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--color-text);
}

.pub-course-desc-body {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  white-space: pre-wrap;
}

/* ---------------------------------------------------------------------------
   AI Models � public pages
   --------------------------------------------------------------------------- */

/* -- Shared page wrapper ---------------------------------------------------- */
.ai-models-page,
.ai-model-provider-page {
  padding: var(--page-pad) 0 calc(var(--page-pad) * 2);
}
.ai-models-page .container,
.ai-model-provider-page .container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--page-pad);
}
.page-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.page-subtitle {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}
.empty-state {
  color: var(--color-text-muted);
  padding: 3rem 0;
  text-align: center;
}

/* -- Provider grid (listing page) ------------------------------------------ */
.provider-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.provider-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #fff;
  text-decoration: none;
  color: var(--color-text);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.provider-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}
.provider-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.provider-favicon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  object-fit: contain;
  flex-shrink: 0;
}
.provider-favicon-placeholder {
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}
.provider-name {
  font-weight: 600;
  font-size: 1rem;
}
.provider-description {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.provider-card-meta {
  display: flex;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}
.provider-region,
.provider-model-count,
.provider-founded,
.provider-pricing {
  background: var(--color-primary-light);
  color: var(--color-primary);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-weight: 500;
}
.provider-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.tag {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

/* -- Provider detail header ------------------------------------------------ */
.provider-header {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.provider-favicon-lg {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  object-fit: contain;
  flex-shrink: 0;
}
.provider-header-text {
  flex: 1 1 200px;
}
.provider-header-text h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.provider-header-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
  font-size: 0.8rem;
}
.provider-header-links {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  flex-wrap: wrap;
  flex-shrink: 0;
}

/* -- Provider sections ----------------------------------------------------- */
.provider-section {
  margin-bottom: 2.5rem;
}
.provider-section h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.35rem;
}
.provider-description-full {
  color: var(--color-text-muted);
  line-height: 1.7;
  font-size: 1rem;
}

/* -- Model table ----------------------------------------------------------- */
.model-filter-bar {
  margin-bottom: 0.75rem;
}
.model-filter-input {
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  width: 100%;
  max-width: 340px;
  outline: none;
  transition: border-color var(--transition);
}
.model-filter-input:focus {
  border-color: var(--color-primary);
}
.model-table-wrap {
  overflow-x: auto;
}
.model-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.model-table th {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 2px solid var(--color-border);
  color: var(--color-text-muted);
  font-weight: 600;
  white-space: nowrap;
}
.model-table td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
.model-table .model-name {
  font-family: monospace;
  font-size: 0.8rem;
  color: var(--color-primary);
}
.model-table tr:last-child td {
  border-bottom: none;
}

/* -- FAQ accordion --------------------------------------------------------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-toggle {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1rem;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  text-align: left;
  color: var(--color-text);
  gap: 1rem;
  transition: background var(--transition);
}
.faq-toggle:hover {
  background: var(--color-primary-light);
}
.faq-chevron {
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq-toggle[aria-expanded="true"] .faq-chevron {
  transform: rotate(180deg);
}
.faq-answer {
  padding: 0.75rem 1rem 1rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  border-top: 1px solid var(--color-border);
}
.faq-answer p {
  margin: 0;
}

/* ── Login page ─────────────────────────────────────────────────────────── */
.login-page-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.login-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 32px rgba(0,0,0,.18);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.login-card__logo {
  margin-bottom: 1.25rem;
}

.login-card__brand {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -.5px;
  color: #0f172a;
}

.login-card__title {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 .5rem;
  color: #0f172a;
}

.login-card__subtitle {
  color: #64748b;
  font-size: .95rem;
  margin: 0 0 1.5rem;
}

.login-providers {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  margin-bottom: 1.25rem;
}

.btn-provider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .625rem;
  padding: .7rem 1.25rem;
  border-radius: 8px;
  font-size: .95rem;
  font-weight: 500;
  text-decoration: none;
  border: 1.5px solid #d1d5db;
  background: #fff;
  color: #1f2937;
  transition: background .15s, box-shadow .15s;
  cursor: pointer;
}

.btn-provider:hover {
  background: #f8fafc;
  box-shadow: 0 1px 6px rgba(0,0,0,.08);
}

.btn-provider--google { border-color: #d1d5db; }

.login-card__footer {
  font-size: .8rem;
  color: #94a3b8;
  margin: 0;
  padding-top: .75rem;
  border-top: 1px solid #f1f5f9;
}

/* =========================================================
   /pricing page
   ========================================================= */
.pricing-hero {
  text-align: center;
  padding: 4rem 1.5rem 2rem;
}
.pricing-hero__title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  margin: 0 0 0.75rem;
}
.pricing-hero__sub {
  font-size: 1.0625rem;
  color: var(--color-text-muted, #64748b);
  margin: 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  max-width: 1100px;
  margin: 2rem auto 4rem;
  padding: 0 1.5rem;
}

.pricing-card {
  background: var(--color-surface, #fff);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: 12px;
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: box-shadow 0.15s;
  position: relative;
}
.pricing-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.pricing-card--featured {
  border-color: var(--color-primary, #6366f1);
  box-shadow: 0 0 0 2px var(--color-primary, #6366f1);
}

.pricing-card__badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted, #64748b);
}

.pricing-card__header { display: flex; flex-direction: column; gap: 0.35rem; }
.pricing-card__name   { font-size: 1.125rem; font-weight: 700; margin: 0; }
.pricing-card__price  { font-size: 1.5rem; font-weight: 800; color: var(--color-primary, #6366f1); }
.pricing-card__desc   { font-size: 0.9375rem; color: var(--color-text-muted, #64748b); flex: 1; margin: 0; }
.pricing-card__bestfor {
  margin: 0;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted, #64748b);
}

.pricing-card__highlights {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
}

.pricing-card__highlights li {
  position: relative;
  padding-left: 1rem;
  color: var(--color-text);
  line-height: 1.55;
}

.pricing-card__highlights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62rem;
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: currentColor;
}

.pricing-card__summary {
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  display: grid;
  gap: 0.65rem;
}

.pricing-card__summary-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
}

.pricing-card__summary-row dt {
  color: var(--color-text-muted, #64748b);
  font-size: 0.9rem;
}

.pricing-card__summary-row dd {
  margin: 0;
  font-weight: 700;
  color: var(--color-text);
}

.pricing-card__cta {
  margin-top: auto;
  padding-top: 0.35rem;
}

.pricing-cta {
  width: 100%;
  min-height: 48px;
  justify-content: center;
  align-items: center;
  text-align: center;
  border-radius: 999px;
  padding: 0.9rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}

.pricing-cta:hover {
  transform: translateY(-1px);
}

.pricing-cta--primary {
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-primary, #6366f1) 100%);
  border: 1px solid transparent;
  color: #fff;
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.14);
}

.pricing-cta--primary:hover {
  color: #fff;
  box-shadow: 0 18px 32px rgba(15, 23, 42, 0.18);
}

.pricing-card--featured .pricing-cta--primary {
  box-shadow: 0 20px 38px rgba(99, 102, 241, 0.22);
}

.pricing-cta--secondary {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(15, 23, 42, 0.14);
  color: var(--color-text);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35);
}

.pricing-cta--secondary:hover {
  background: rgba(248, 250, 252, 0.98);
  color: var(--color-text);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}

.pricing-compare {
  padding: 0 1.5rem 4.5rem;
}

.pricing-compare__inner {
  max-width: 1100px;
  margin: 0 auto;
}

.pricing-compare__header {
  margin-bottom: 1.5rem;
}

.pricing-compare__header h2 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  letter-spacing: -0.03em;
}

.pricing-compare__header p {
  margin: 0;
  color: var(--color-text-muted, #64748b);
}

.pricing-compare__table-wrap {
  overflow-x: auto;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(8px);
}

.pricing-compare__table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.pricing-compare__table th,
.pricing-compare__table td {
  padding: 1rem 1.1rem;
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  text-align: left;
  vertical-align: middle;
}

.pricing-compare__table thead th {
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted, #64748b);
  background: rgba(248, 250, 252, 0.9);
}

.pricing-compare__table tbody th {
  width: 24%;
  color: var(--color-text);
  font-weight: 600;
}

.pricing-compare__table tbody td {
  color: var(--color-text);
}

.pricing-compare__table tbody tr:last-child th,
.pricing-compare__table tbody tr:last-child td {
  border-bottom: none;
}

@media (max-width: 768px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card__badge {
    position: static;
  }
}

/* =========================================================
   /checkout/* pages (success, cancel, already-subscribed)
   ========================================================= */
.checkout-result {
  max-width: 480px;
  margin: 5rem auto;
  padding: 2.5rem 2rem;
  text-align: center;
  background: var(--color-surface, #fff);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: 16px;
}
.checkout-result__icon {
  font-size: 2.5rem;
  line-height: 1;
  margin-bottom: 1rem;
}
.checkout-result__icon--success { color: #16a34a; }
.checkout-result__icon--cancel  { color: #dc2626; }
.checkout-result__icon--info    { color: #2563eb; }

.checkout-result__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.75rem;
}
.checkout-result__body {
  font-size: 0.9375rem;
  color: var(--color-text-muted, #64748b);
  line-height: 1.6;
  margin: 0 0 1.25rem;
}
.checkout-result__ref {
  font-size: 0.875rem;
  color: var(--color-text-muted, #64748b);
  margin-bottom: 1.5rem;
}
.checkout-result__btn { display: inline-block; }

/* ============================================================
   GENE LIBRARY PAGE  (/genes)
   ============================================================ */

/* Hero */
.genes-hero {
  padding: 3rem 0 2rem;
  text-align: center;
}
.genes-hero h1 {
  margin: 0 0 .5rem;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  color: var(--color-text);
}
.genes-hero-sub {
  margin: 0;
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 56rem;
  margin-left: auto;
  margin-right: auto;
}
.genes-hero-sub code {
  font-size: .875rem;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: .1em .4em;
}

/* Sign-in banner */
.genes-signin-banner {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: .875rem 1.25rem;
  margin-bottom: 1.5rem;
  font-size: .9rem;
  color: var(--color-text-muted);
}

.genes-usage {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(220px, 0.9fr);
  gap: 1.25rem;
  align-items: end;
  margin-bottom: 1.5rem;
  padding: 1.2rem 1.25rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.84);
}

.genes-usage-copy h2 {
  margin: 0 0 0.45rem;
  font-size: clamp(1.35rem, 2.3vw, 1.85rem);
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.genes-usage-copy p:last-child {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.genes-usage-eyebrow {
  margin: 0 0 0.45rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.genes-usage-side {
  display: grid;
  gap: 0.65rem;
  justify-self: end;
  width: 100%;
  max-width: 320px;
}

.genes-usage-meter {
  height: 10px;
  width: 100%;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.18);
  overflow: hidden;
}

.genes-usage-meter__fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-text) 0%, var(--color-primary, #6366f1) 100%);
}

.genes-usage-meta {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-align: right;
}

.genes-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  margin-bottom: 0.85rem;
}

.genes-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
}

.genes-filter-chip {
  min-height: 38px;
  padding: 0.55rem 0.9rem;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-text);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.genes-filter-chip:hover {
  transform: translateY(-1px);
  border-color: rgba(15, 23, 42, 0.24);
}

.genes-filter-chip.is-active {
  background: var(--color-text);
  border-color: var(--color-text);
  color: #fff;
}

/* Search */
.genes-search-wrap {
  position: relative;
  max-width: 520px;
  margin: 0;
}
.genes-search-icon {
  position: absolute;
  left: .875rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--color-text-subtle);
  pointer-events: none;
}
.genes-search-input {
  width: 100%;
  padding: .6rem .875rem .6rem 2.4rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-size: .925rem;
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  box-shadow: var(--shadow-xs);
  transition: border-color var(--transition), box-shadow var(--transition);
  box-sizing: border-box;
}
.genes-search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 12%, transparent);
}
.genes-search-input::placeholder { color: var(--color-text-subtle); }

.genes-results-summary {
  margin: 0 0 1.25rem;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* Grid */
.genes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 2rem;
}

/* Card */
.gene-card {
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
  display: flex;
  flex-direction: column;
  transition:
    box-shadow var(--transition),
    border-color var(--transition),
    transform var(--transition);
}
.gene-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
}
.gene-card--active {
  border-color: #16a34a;
  background: color-mix(in srgb, #16a34a 5%, white);
}
.gene-card--active:hover {
  border-color: #15803d;
}

/* Clickable area */
.gene-card-link {
  display: block;
  padding: 1.25rem 1.25rem .75rem;
  text-decoration: none;
  color: inherit;
  flex: 1;
}
.gene-card-link:hover { color: inherit; }

.gene-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .85rem;
  margin-bottom: .5rem;
}
.gene-card-headline {
  display: grid;
  gap: 0.28rem;
  min-width: 0;
}
.gene-card-name {
  margin: 0;
  font-size: 1.03rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.25;
}
.gene-card-sku {
  font-size: .77rem;
  font-weight: 700;
  font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', monospace;
  color: var(--color-primary);
  letter-spacing: .04em;
  text-transform: uppercase;
  word-break: break-all;
}

/* Meta rows (version / size / released / author) */
.gene-card-meta {
  margin: .75rem 0 0;
  display: flex;
  flex-direction: column;
  gap: .3rem;
}
.gene-card-meta-row {
  display: flex;
  align-items: baseline;
  gap: .4rem;
  font-size: .8rem;
  line-height: 1.4;
}
.gene-card-meta-row dt {
  flex-shrink: 0;
  color: var(--color-text-subtle);
  font-weight: 600;
  min-width: 4.8rem;
}
.gene-card-meta-row dd {
  margin: 0;
  color: var(--color-text);
  word-break: break-word;
}
.gene-card-meta-row dd code {
  font-size: .78rem;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: .05em .35em;
}

/* Status badge */
.gene-status {
  flex-shrink: 0;
  font-size: .69rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .28rem .62rem;
  border-radius: 99px;
}
.gene-status--active {
  background: rgba(34, 197, 94, 0.14);
  color: #166534;
}
.gene-status--inactive {
  background: rgba(148, 163, 184, 0.14);
  color: var(--color-text-subtle);
}

/* Card footer (toggle button) */
.gene-card-footer {
  padding: .75rem 1.25rem 1rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.gene-card-footer form {
  margin: 0;
}

.gene-card-footer .genes-btn {
  white-space: nowrap;
}

/* Buttons */
.genes-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  padding: .45rem .9rem;
  border-radius: var(--radius-sm);
  font-size: .85rem;
  font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  text-decoration: none;
  border: 1.5px solid transparent;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.genes-btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.genes-btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}
.genes-btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.genes-btn--outline:hover {
  background: var(--color-primary-light);
}
.genes-btn--danger {
  background: transparent;
  color: #dc2626;
  border-color: #dc2626;
}
.genes-btn--danger:hover {
  background: #fef2f2;
}

.genes-btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: rgba(15, 23, 42, 0.12);
}

.genes-btn--ghost:hover {
  background: rgba(248, 250, 252, 0.92);
}

/* Empty state */
.genes-empty {
  text-align: center;
  padding: 3rem;
  color: var(--color-text-muted);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

/* No-results message */
.genes-no-results {
  text-align: center;
  padding: 1.25rem 0 2rem;
  color: var(--color-text-muted);
  font-size: .95rem;
}

.genes-no-results p {
  margin: 0 0 0.9rem;
}

/* Shared modal */
.site-modal[hidden] {
  display: none !important;
}

body.modal-open {
  overflow: hidden;
}

.site-modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.site-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.56);
  backdrop-filter: blur(4px);
}

.site-modal__dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 540px);
  padding: 1.4rem 1.4rem 1.25rem;
  border-radius: 18px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 28px 60px rgba(15, 23, 42, 0.24);
}

.site-modal__close {
  position: absolute;
  top: 0.85rem;
  right: 0.9rem;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.14);
  color: var(--color-text);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}

.site-modal__eyebrow {
  margin: 0 0 0.45rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.site-modal__title {
  margin: 0 0 0.7rem;
  padding-right: 2.2rem;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
  color: var(--color-text);
}

.site-modal__body {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.site-modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.25rem;
}

@media (max-width: 640px) {
  .site-modal__actions {
    flex-direction: column;
  }

  .site-modal__actions .genes-btn {
    width: 100%;
  }
}

@media (max-width: 820px) {
  .genes-usage,
  .genes-toolbar {
    grid-template-columns: 1fr;
  }

  .genes-usage-side,
  .genes-filters {
    justify-self: stretch;
    max-width: none;
  }

  .genes-usage-meta {
    text-align: left;
  }
}

@media (max-width: 640px) {
  .gene-card-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .gene-card-footer .genes-btn,
  .gene-card-footer form,
  .gene-card-footer form button {
    width: 100%;
  }
}

/* ============================================================
   GENE DETAIL PAGE  (/gene/<sku>)
   ============================================================ */

/* Back link */
.gd-back {
  padding: 1.75rem 0 1.25rem;
}
.gd-back-link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.gd-back-link:hover { color: var(--color-primary); }
.gd-back-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* Card */
.gd-card {
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 2rem 2rem 1.75rem;
  margin-bottom: 3rem;
}

/* Header */
.gd-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.gd-header-main {
  display: flex;
  flex-direction: column;
  gap: .3rem;
}
.gd-sku {
  font-size: .8rem;
  font-weight: 600;
  font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', monospace;
  color: var(--color-primary);
  letter-spacing: .04em;
  text-transform: uppercase;
}
.gd-title {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

/* Action row */
.gd-actions {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: .75rem;
  align-items: center;
  flex-wrap: wrap;
}

/* Version history section */
.gd-versions {
  margin-top: 2rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--color-border);
}
.gd-section-title {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: .01em;
}

/* Table */
.gd-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.gd-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}
.gd-table thead tr {
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
}
.gd-table th {
  padding: .6rem 1rem;
  text-align: left;
  font-size: .75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  white-space: nowrap;
}
.gd-table td {
  padding: .7rem 1rem;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}
.gd-table tbody tr:last-child td { border-bottom: none; }
.gd-table tbody tr:hover { background: var(--color-bg-subtle); }

.gd-code {
  font-size: .8rem;
  font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', monospace;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: .1em .4em;
  color: var(--color-text);
}
.gd-latest-badge {
  display: inline-block;
  margin-left: .4rem;
  font-size: .68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: .15em .55em;
  border-radius: 99px;
  background: #dcfce7;
  color: #15803d;
  vertical-align: middle;
}
.gd-empty { color: var(--color-text-subtle); }
.gd-nowrap { white-space: nowrap; }
.gd-muted { color: var(--color-text-muted); font-size: .8rem; }
/* latest-version detail panel */
.gd-meta-panel {
  margin: 1.5rem 0 0;
  padding: 1.25rem 1.5rem;
  background: var(--color-bg-subtle, #f8fafc);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: .75rem;
}
.gd-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem 1.5rem;
  margin: 0; padding: 0;
}
.gd-meta-item { display: flex; flex-direction: column; gap: .2rem; }
.gd-meta-item dt {
  font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--color-text-muted);
}
.gd-meta-item dd {
  margin: 0;
  font-size: .875rem; color: var(--color-text);
  word-break: break-all;
}
.gd-header-badges { display: flex; flex-wrap: wrap; gap: .45rem; align-items: center; }
.gd-users-badge {
  display: inline-flex; align-items: center;
  padding: .2rem .65rem; border-radius: 999px;
  font-size: .75rem; font-weight: 600; letter-spacing: .01em;
  background: var(--color-bg-subtle, #f0f4f8); color: var(--color-text-muted);
  border: 1px solid var(--color-border, #e2e8f0);
}

/* ─── Navbar user avatar + dropdown ─────────────────────────────────────── */
.nav-user-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.nav-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--color-primary, #2563eb);
  color: #fff;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
  transition: opacity .15s;
  padding: 0;
}
.nav-avatar:hover { opacity: .85; }
.nav-user-menu {
  position: absolute;
  top: calc(100% + .5rem);
  right: 0;
  min-width: 11rem;
  background: var(--color-bg, #fff);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: .5rem;
  box-shadow: 0 4px 16px rgba(0,0,0,.08);
  z-index: 200;
  overflow: hidden;
}
.nav-user-menu[hidden] { display: none; }
.nav-user-item {
  display: block;
  padding: .6rem 1rem;
  font-size: .875rem;
  color: var(--color-text);
  text-decoration: none;
  transition: background .1s;
}
.nav-user-item:hover { background: var(--color-bg-subtle, #f8fafc); }
.nav-user-item--danger { color: #dc2626; }
.nav-user-item--danger:hover { background: #fef2f2; }
.nav-user-item--btn {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font: inherit;
  padding: .6rem 1rem;
}
.nav-link--danger { color: #dc2626; }

/* ============================================================
   PUBLIC SITE — EDITORIAL REFRESH
   Extends the homepage direction across the rest of the public UI.
   ============================================================ */

:root {
  --radius: 8px;
  --radius-sm: 6px;
  --radius-lg: 12px;
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 14px 36px rgba(15, 23, 42, 0.08);
}

body {
  background:
    radial-gradient(circle at top right, rgba(15, 23, 42, 0.03), transparent 24%),
    #fafbfc;
}

.public-header {
  background: rgba(250, 251, 252, 0.9);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: none;
}

.header-logo {
  font-weight: 800;
  letter-spacing: -0.03em;
}

.header-brand-name {
  font-weight: 800;
}

.header-brand-slogan {
  color: var(--color-text-muted);
}

.nav-link {
  color: var(--color-text-muted);
  border-radius: 999px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
  background: rgba(15, 23, 42, 0.05);
}

.mobile-nav {
  background: rgba(250, 251, 252, 0.98);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 18px 44px rgba(15, 23, 42, 0.08);
}

.public-footer {
  background: #f3f4f6;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.footer-brand-link {
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}

.footer-copy,
.footer-link {
  color: var(--color-text-muted);
}

.footer-link:hover {
  color: var(--color-text);
}

.contact-hero,
.dl-hero,
.cp-cat-header,
.pub-courses-hero,
.pricing-hero,
.genes-hero {
  position: relative;
  background:
    radial-gradient(circle at 82% 24%, rgba(15, 23, 42, 0.05), transparent 28%),
    linear-gradient(180deg, #fafbfc 0%, #f3f4f6 100%);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.contact-hero h1,
.dl-hero h1,
.cp-cat-title,
.pub-courses-title,
.pricing-hero__title,
.genes-hero h1,
.page-title,
.static-page-header h1,
.team-page-header h1,
.cp-article-title,
.pub-course-detail-title,
.provider-header-text h1,
.gd-title,
.acc-heading {
  font-size: clamp(2.35rem, 5vw, 4.8rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.06em;
  text-wrap: balance;
}

.contact-hero p,
.dl-hero-sub,
.cp-cat-desc,
.genes-hero-sub,
.pricing-hero__sub,
.page-subtitle,
.static-page-meta,
.team-page-empty,
.pub-course-detail-summary,
.provider-description-full,
.login-card__subtitle {
  color: var(--color-text-muted);
  max-width: 42ch;
}

.pricing-hero__sub {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.contact-hero p,
.dl-hero-sub,
.cp-cat-desc,
.genes-hero-sub,
.pricing-hero__sub,
.page-subtitle {
  font-size: clamp(1rem, 1.35vw, 1.12rem);
  line-height: 1.65;
}

.contact-wrap,
.dl-archive-inner,
.cp-cat-inner,
.team-page-inner,
.pub-courses-grid-inner,
.ai-models-page .container,
.ai-model-provider-page .container,
.acc-page,
.static-page-inner,
.cp-article-inner {
  max-width: var(--max-width);
}

.contact-card,
.linkdevice-card,
.device-item,
.dl-card,
.provider-card,
.cp-card,
.pub-course-card,
.pricing-card,
.checkout-result,
.gene-card,
.gd-card,
.acc-card,
.login-card {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: none;
  backdrop-filter: blur(8px);
}

.contact-card:hover,
.dl-card:hover,
.provider-card:hover,
.cp-card:hover,
.pub-course-card:hover,
.pricing-card:hover,
.gene-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-text);
  box-shadow: none;
}

.linkdevice-card,
.checkout-result,
.login-card,
.gd-card {
  border-radius: 12px;
}

.contact-card-icon,
.provider-favicon-placeholder,
.linkdevice-info,
.beta-strip,
.genes-signin-banner,
.pub-course-learn,
.gd-meta-panel,
.acc-sub-item,
.acc-gene-item {
  background: #f3f4f6;
  border-color: rgba(15, 23, 42, 0.08);
}

.genes-signin-banner {
  justify-content: center;
  text-align: center;
}

.contact-card-label,
.footer-heading,
.checksum-algo,
.archive-table th,
.gd-section-title,
.acc-profile-item dt,
.acc-status,
.gene-status,
.provider-card-meta,
.cp-card-meta {
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.social-link,
.os-tab,
.archive-filter-btn,
.genes-btn,
.btn-dl,
.model-filter-input,
.faq-item,
.faq-toggle,
.btn-provider,
.cp-pagination-btn,
.btn--danger-sm {
  border-radius: 8px;
}

.os-tab,
.archive-filter-btn,
.social-link,
.genes-btn--outline,
.btn-dl,
.btn-provider,
.cp-pagination-btn {
  background: rgba(255, 255, 255, 0.76);
  border-color: rgba(15, 23, 42, 0.1);
  color: var(--color-text);
  box-shadow: none;
}

.os-tab:hover,
.archive-filter-btn:hover,
.social-link:hover,
.btn-provider:hover,
.cp-pagination-btn:hover,
.genes-btn--outline:hover {
  background: #fff;
  border-color: var(--color-text);
  color: var(--color-text);
}

.os-tab.active,
.archive-filter-btn.active,
.genes-btn--primary,
.dl-card--featured,
.pricing-card--featured {
  background: #fff;
  border-color: var(--color-text);
  color: var(--color-text);
  box-shadow: none;
}

.btn-dl,
.genes-btn--primary,
.btn-provider,
.checkout-result__btn,
.nav-avatar {
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.dl-card:not(.dl-card--featured) .btn-dl,
.genes-btn--outline,
.btn-provider {
  border: 1px solid rgba(15, 23, 42, 0.12);
}

.btn-dl,
.genes-btn--primary {
  background: var(--color-text);
  border-color: var(--color-text);
  color: #fff;
}

.btn-dl:hover,
.genes-btn--primary:hover,
.btn-provider:hover {
  transform: translateY(-2px);
}

.dl-card:not(.dl-card--featured) .btn-dl {
  background: transparent;
  color: var(--color-text);
}

.dl-card:not(.dl-card--featured) .btn-dl:hover {
  background: #fff;
  border-color: var(--color-text);
}

.archive-table-wrap,
.gd-table-wrap,
.model-table-wrap {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 12px;
  box-shadow: none;
  background: rgba(255, 255, 255, 0.75);
}

.archive-table thead,
.gd-table thead tr,
.model-table th {
  background: #f3f4f6;
}

.archive-table tbody tr:hover td,
.gd-table tbody tr:hover,
.model-table tr:hover td {
  background: #f8fafc;
}

.team-page-header,
.static-page-header,
.cp-article-header,
.provider-header,
.pub-course-detail-header,
.pricing-hero {
  margin-bottom: clamp(32px, 5vw, 56px);
}

.team-card,
.cp-card,
.provider-card,
.pub-course-card {
  border-radius: 10px;
}

.team-card:hover,
.cp-card:hover,
.provider-card:hover,
.pub-course-card:hover {
  transform: translateY(-3px);
  box-shadow: none;
  border-color: var(--color-text);
}

.team-card-image-wrap,
.cp-card-img-wrap,
.pub-course-card-img-wrap,
.pub-course-detail-media,
.cp-article-hero {
  border-radius: 12px;
  background: #eef1f4;
}

.cp-card-img-wrap,
.pub-course-card-img-wrap,
.pub-course-detail-media,
.cp-article-hero {
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.provider-card-header,
.provider-header,
.pub-course-detail-header-inner {
  gap: 1rem;
}

.provider-name,
.pub-course-card-title,
.pricing-card__name,
.login-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.provider-description,
.pub-course-card-summary,
.pricing-card__desc,
.checkout-result__body,
.faq-answer,
.cp-article-body,
.prose {
  line-height: 1.7;
  color: var(--color-text-muted);
}

.model-filter-input,
.genes-search-input {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(15, 23, 42, 0.12);
  box-shadow: none;
}

.model-filter-input:focus,
.genes-search-input:focus {
  border-color: var(--color-text);
  box-shadow: none;
}

.faq-item,
.cp-faq-item {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.72);
}

.faq-toggle:hover,
.cp-faq-question:hover,
.home-faq-question:hover {
  color: var(--color-text);
  background: rgba(15, 23, 42, 0.04);
}

.login-page-body {
  background:
    radial-gradient(circle at top right, rgba(15, 23, 42, 0.05), transparent 28%),
    linear-gradient(180deg, #fafbfc 0%, #f3f4f6 100%);
}

.login-card {
  max-width: 420px;
  padding: 2.75rem 2.1rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.login-card__brand {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.05em;
}

.pricing-grid {
  gap: 1rem;
}

.pricing-card__price {
  color: var(--color-text);
}

.checkout-result {
  margin: clamp(56px, 8vw, 96px) auto;
}

.genes-hero,
.pricing-hero,
.pub-courses-hero {
  padding-top: clamp(72px, 10vw, 120px);
  padding-bottom: clamp(48px, 6vw, 72px);
}

.genes-grid,
.provider-grid,
.pub-courses-grid,
.cp-card-grid,
.dl-card-grid {
  gap: 1rem;
}

.gene-card,
.provider-card,
.pub-course-card,
.cp-card,
.dl-card {
  border-radius: 10px;
}

.gene-card--active {
  background: rgba(240, 253, 244, 0.82);
  border-color: #15803d;
}

.gd-actions,
.gd-versions,
.static-page-header,
.cp-faq-section {
  border-top-color: rgba(15, 23, 42, 0.08);
}

.gd-back-link,
.cp-card-title-link:hover,
.gd-back-link:hover,
.acc-external-link,
.acc-view-all {
  color: var(--color-text);
}

@media (max-width: 860px) {
  .contact-hero h1,
  .dl-hero h1,
  .cp-cat-title,
  .pub-courses-title,
  .pricing-hero__title,
  .genes-hero h1,
  .page-title,
  .static-page-header h1,
  .team-page-header h1,
  .cp-article-title,
  .pub-course-detail-title,
  .provider-header-text h1,
  .gd-title,
  .acc-heading {
    font-size: clamp(2rem, 10vw, 3.6rem);
  }
}
.acc-gene-info { display: flex; flex-direction: column; gap: .2rem; }
.acc-gene-name { font-size: .9rem; font-weight: 600; color: var(--color-primary, #2563eb); text-decoration: none; }
.acc-gene-name:hover { text-decoration: underline; }
.acc-gene-sku { font-size: .75rem; font-family: monospace; color: var(--color-text-muted); }
.acc-gene-date { font-size: .75rem; color: var(--color-text-muted); }
.acc-deactivate-btn {
  padding: .35rem .8rem;
  font-size: .8rem; font-weight: 600;
  border: 1.5px solid #dc2626;
  color: #dc2626;
  background: transparent;
  border-radius: .375rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background .12s, color .12s;
}
.acc-deactivate-btn:hover { background: #dc2626; color: #fff; }
.acc-empty { font-size: .875rem; color: var(--color-text-muted); margin: .5rem 0 0; }