/* ============================================================
   Glio-Cartography — Premium Dark Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap');

/* ── CSS Custom Properties ─────────────────────────────────── */
:root {
  /* Core Palette */
  --clr-bg:            hsl(222, 25%, 7%);
  --clr-surface:       hsl(222, 22%, 11%);
  --clr-surface-2:     hsl(222, 20%, 15%);
  --clr-border:        hsl(222, 20%, 22%);
  --clr-border-subtle: hsl(222, 20%, 18%);

  /* Accent — teal/cyan gradient */
  --clr-accent:        hsl(185, 90%, 50%);
  --clr-accent-dim:    hsl(185, 70%, 40%);
  --clr-accent-glow:   hsl(185, 90%, 50%, 0.15);
  --clr-accent-2:      hsl(210, 80%, 60%);

  /* Text */
  --clr-text:          hsl(220, 15%, 92%);
  --clr-text-muted:    hsl(220, 10%, 55%);
  --clr-text-dim:      hsl(220, 10%, 40%);

  /* Semantic */
  --clr-success:       hsl(145, 65%, 45%);
  --clr-warning:       hsl(38, 95%, 55%);
  --clr-danger:        hsl(355, 75%, 55%);
  --clr-info:          hsl(210, 80%, 60%);

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  /* Border Radius */
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px hsl(222, 30%, 3%, 0.4);
  --shadow-md:  0 4px 16px hsl(222, 30%, 3%, 0.5);
  --shadow-lg:  0 8px 32px hsl(222, 30%, 3%, 0.6);
  --shadow-accent: 0 0 30px hsl(185, 90%, 50%, 0.2);

  /* Animation */
  --ease-out:    cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast:   150ms;
  --dur-normal: 250ms;
  --dur-slow:   400ms;
}

/* ── Reset & Base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  opacity: 0;
  transition: opacity 150ms ease-in-out;
}
body.i18n-active {
  opacity: 1;
}

img, video { max-width: 100%; display: block; }
a { color: var(--clr-accent); text-decoration: none; transition: color var(--dur-fast); }
a:hover { color: var(--clr-text); }

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--clr-surface); }
::-webkit-scrollbar-thumb { background: var(--clr-border); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--clr-accent-dim); }

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }

.text-muted { color: var(--clr-text-muted); }
.text-accent { color: var(--clr-accent); }
.text-mono { font-family: var(--font-mono); }

/* ── Layout Utilities ───────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.section {
  padding-block: var(--space-24);
}

.section--alt {
  background: var(--clr-surface);
}

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-6); }

/* ── Glassmorphism Card ─────────────────────────────────────── */
.glass-card {
  background: linear-gradient(
    135deg,
    hsl(222, 22%, 13%, 0.9),
    hsl(222, 22%, 10%, 0.95)
  );
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--space-8);
  transition: border-color var(--dur-normal), transform var(--dur-normal), box-shadow var(--dur-normal);
}

.glass-card:hover {
  border-color: hsl(185, 90%, 50%, 0.4);
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
}

/* ── Premium Feature Spotlight Card ────────────────────────── */
.feature-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(
    135deg,
    hsl(222, 22%, 13%, 0.9),
    hsl(222, 22%, 10%, 0.95)
  );
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--space-8);
  transition: border-color var(--dur-normal), transform var(--dur-normal), box-shadow var(--dur-normal);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(800px circle at var(--x, 0px) var(--y, 0px), rgba(0, 212, 204, 0.08), transparent 40%);
  z-index: 1;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--dur-normal);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card:hover {
  border-color: hsl(185, 90%, 50%, 0.4);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px -10px rgba(0, 212, 204, 0.15);
}

.feature-icon-wrapper {
  background: linear-gradient(135deg, rgba(0, 212, 204, 0.1), rgba(0, 120, 255, 0.05));
  border: 1px solid rgba(0, 212, 204, 0.2);
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: var(--space-4);
  z-index: 2;
  box-shadow: inset 0 0 12px rgba(0, 212, 204, 0.05);
}

.feature-card h3, .feature-card p {
  z-index: 2;
}

/* ── Gradient Text ──────────────────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge--accent {
  background: var(--clr-accent-glow);
  color: var(--clr-accent);
  border: 1px solid hsl(185, 90%, 50%, 0.3);
}

.badge--warning {
  background: hsl(38, 95%, 55%, 0.15);
  color: var(--clr-warning);
  border: 1px solid hsl(38, 95%, 55%, 0.3);
}

.badge--success {
  background: hsl(145, 65%, 45%, 0.15);
  color: var(--clr-success);
  border: 1px solid hsl(145, 65%, 45%, 0.3);
}

.badge--danger {
  background: hsl(355, 75%, 55%, 0.15);
  color: var(--clr-danger);
  border: 1px solid hsl(355, 75%, 55%, 0.3);
}

.badge--muted {
  background: var(--clr-surface-2);
  color: var(--clr-text-muted);
  border: 1px solid var(--clr-border);
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--dur-normal) var(--ease-out);
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-dim));
  color: hsl(222, 25%, 7%);
  box-shadow: 0 4px 20px hsl(185, 90%, 50%, 0.35);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px hsl(185, 90%, 50%, 0.5);
  color: hsl(222, 25%, 7%);
}
.btn--primary:active { transform: translateY(0); }

.btn--secondary {
  background: var(--clr-surface-2);
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
}
.btn--secondary:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  background: var(--clr-accent-glow);
}

.btn--ghost {
  background: transparent;
  color: var(--clr-text-muted);
  border: 1px solid var(--clr-border-subtle);
}
.btn--ghost:hover {
  background: var(--clr-surface-2);
  color: var(--clr-text);
}

.btn--danger {
  background: hsl(355, 75%, 55%, 0.15);
  color: var(--clr-danger);
  border: 1px solid hsl(355, 75%, 55%, 0.3);
}
.btn--danger:hover {
  background: hsl(355, 75%, 55%, 0.25);
}

.btn--sm { padding: var(--space-1) var(--space-4); font-size: 0.8rem; }
.btn--lg { padding: var(--space-4) var(--space-8); font-size: 1rem; border-radius: var(--radius-lg); }
.btn--full { width: 100%; }

.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* Loading spinner inside button */
.btn .spinner {
  width: 1em; height: 1em;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ── Form Elements ───────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--clr-text-muted);
}

.form-input, .form-select, .form-textarea {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  padding: var(--space-3) var(--space-4);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
  width: 100%;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px var(--clr-accent-glow);
}

.form-textarea { resize: vertical; min-height: 100px; }
.form-help { font-size: 0.78rem; color: var(--clr-text-dim); }
.form-error { font-size: 0.78rem; color: var(--clr-danger); }

/* ── Alerts ──────────────────────────────────────────────────── */
.alert {
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  font-size: 0.875rem;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}
.alert--success { background: hsl(145, 65%, 45%, 0.1); color: hsl(145, 55%, 60%); border: 1px solid hsl(145, 65%, 45%, 0.25); }
.alert--error   { background: hsl(355, 75%, 55%, 0.1); color: hsl(355, 65%, 70%); border: 1px solid hsl(355, 75%, 55%, 0.25); }
.alert--info    { background: hsl(210, 80%, 60%, 0.1); color: hsl(210, 70%, 70%); border: 1px solid hsl(210, 80%, 60%, 0.25); }
.alert--warning { background: hsl(38, 95%, 55%, 0.1);  color: hsl(38, 85%, 65%);  border: 1px solid hsl(38, 95%, 55%, 0.25); }

/* ── Navigation ──────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: hsl(222, 25%, 7%, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border-subtle);
  transition: background var(--dur-normal);
}

.nav__inner {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-6);
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--clr-text);
  flex-shrink: 0;
}

.nav__logo-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  display: block;
  object-fit: cover;
  object-position: center;
  transition: filter 0.3s ease, transform 0.3s ease;
}

.nav__logo:hover .nav__logo-icon {
  filter: drop-shadow(0 0 8px rgba(0, 212, 204, 0.7));
  transform: scale(1.08);
}


.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
}

.nav__links a {
  color: var(--clr-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: all var(--dur-fast);
}
.nav__links a:hover, .nav__links a.active {
  color: var(--clr-text);
  background: var(--clr-surface-2);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.lang-toggle {
  display: flex;
  align-items: center;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-full);
  padding: 2px;
  gap: 2px;
}

.lang-toggle button {
  background: none;
  border: none;
  color: var(--clr-text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--dur-fast);
  font-family: var(--font-sans);
}

.lang-toggle button.active {
  background: var(--clr-accent);
  color: hsl(222, 25%, 7%);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
  background: none;
  border: none;
}
.nav__hamburger span {
  width: 22px; height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: transform var(--dur-normal), opacity var(--dur-normal);
}

/* ── Hero Section ────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 68px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, hsl(185, 90%, 50%, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 80% 50%, hsl(210, 80%, 60%, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 20% 80%, hsl(185, 90%, 50%, 0.04) 0%, transparent 60%);
}

/* Animated grid lines */
.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--clr-border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--clr-border-subtle) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.4;
  mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 80%);
}

.hero__content {
  position: relative;
  text-align: center;
  max-width: 820px;
  margin-inline: auto;
  padding: var(--space-16) var(--space-6);
  animation: fadeUp 0.8s var(--ease-out) both;
}

.hero__badge {
  margin-bottom: var(--space-6);
}

.hero__title {
  margin-bottom: var(--space-6);
  font-size: clamp(2.4rem, 6vw, 4rem);
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--clr-text-muted);
  margin-bottom: var(--space-10);
  max-width: 640px;
  margin-inline: auto;
}

.hero__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.hero__alt-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--clr-text-dim);
}

.hero__alt-links a {
  color: var(--clr-text-muted);
  font-size: 0.8rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.hero__alt-links a:hover { color: var(--clr-accent); }

/* ── Features ────────────────────────────────────────────────── */
.feature-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background: var(--clr-accent-glow);
  border: 1px solid hsl(185, 90%, 50%, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--space-4);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-header h2 { margin-bottom: var(--space-4); }
.section-header p { color: var(--clr-text-muted); max-width: 560px; margin-inline: auto; }

/* ── Pricing Cards ───────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
  max-width: 1100px;
  margin-inline: auto;
}

.pricing-card {
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  background: var(--clr-surface);
  position: relative;
  transition: all var(--dur-normal);
}

.pricing-card--featured {
  border-color: hsl(185, 90%, 50%, 0.5);
  background: linear-gradient(135deg, hsl(185, 90%, 50%, 0.06), var(--clr-surface));
  box-shadow: var(--shadow-accent);
}

.pricing-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--clr-accent);
  margin-block: var(--space-4);
}

.pricing-features {
  list-style: none;
  margin-block: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.875rem;
  color: var(--clr-text-muted);
}

.pricing-features li::before {
  content: '✓';
  color: var(--clr-success);
  font-weight: 700;
  flex-shrink: 0;
}

/* ── Download Section ────────────────────────────────────────── */
.download-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
  max-width: 760px;
  margin-inline: auto;
}

.download-card {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  background: var(--clr-surface);
  text-align: center;
  cursor: pointer;
  transition: all var(--dur-normal);
}

.download-card:hover {
  border-color: var(--clr-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-accent);
}

.download-card--recommended {
  border-color: hsl(185, 90%, 50%, 0.5);
  background: linear-gradient(135deg, hsl(185, 90%, 50%, 0.06), var(--clr-surface));
}

.download-card__icon { font-size: 2.5rem; margin-bottom: var(--space-3); }
.download-card__os { font-weight: 600; margin-bottom: var(--space-2); }
.download-card__req { font-size: 0.78rem; color: var(--clr-text-dim); margin-bottom: var(--space-4); }

/* ── Tables ──────────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border);
}

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

thead {
  background: var(--clr-surface-2);
}

th {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: 600;
  color: var(--clr-text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--clr-border);
}

td {
  padding: var(--space-4);
  border-bottom: 1px solid var(--clr-border-subtle);
  color: var(--clr-text);
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--clr-surface-2); }

/* ── Tabs ────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 2px;
  background: var(--clr-surface);
  border-radius: var(--radius-md);
  padding: 4px;
  border: 1px solid var(--clr-border);
  overflow-x: auto;
}

.tab {
  flex: 1;
  min-width: max-content;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-sm);
  border: none;
  background: none;
  color: var(--clr-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--dur-fast);
  font-family: var(--font-sans);
}

.tab.active, .tab:hover {
  background: var(--clr-surface-2);
  color: var(--clr-text);
}

.tab.active {
  background: var(--clr-accent);
  color: hsl(222, 25%, 7%);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Stat Cards ──────────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.stat-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  text-align: center;
}

.stat-card__value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--clr-accent);
  display: block;
}

.stat-card__label {
  font-size: 0.78rem;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: var(--space-1);
}

/* ── License Key Display ─────────────────────────────────────── */
.license-key {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  word-break: break-all;
  color: var(--clr-accent);
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.license-key code {
  flex: 1;
  background: none;
  padding: 0;
  font-family: inherit;
  color: inherit;
}

/* ── Footer ──────────────────────────────────────────────────── */
.footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  padding-block: var(--space-12);
  margin-top: auto;
}

.footer__inner {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}

.footer__brand { max-width: 300px; }
.footer__brand .nav__logo { margin-bottom: var(--space-4); }
.footer__brand p { font-size: 0.875rem; color: var(--clr-text-muted); line-height: 1.7; }

.footer__col h4 { font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--clr-text-dim); margin-bottom: var(--space-4); }
.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.footer__col a { color: var(--clr-text-muted); font-size: 0.875rem; transition: color var(--dur-fast); }
.footer__col a:hover { color: var(--clr-accent); }

.footer__bottom {
  border-top: 1px solid var(--clr-border-subtle);
  padding-top: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: 0.8rem;
  color: var(--clr-text-dim);
}

/* ── Auth Pages ──────────────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-6);
  background:
    radial-gradient(ellipse 70% 60% at 50% 0%, hsl(185, 90%, 50%, 0.07) 0%, transparent 70%),
    var(--clr-bg);
}

.auth-card {
  width: 100%;
  max-width: 440px;
  padding: var(--space-10) var(--space-8);
}

.auth-card__logo {
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-card h1 { font-size: 1.75rem; text-align: center; margin-bottom: var(--space-8); }

.auth-form { display: flex; flex-direction: column; gap: var(--space-5); }

.auth-footer {
  text-align: center;
  margin-top: var(--space-6);
  font-size: 0.875rem;
  color: var(--clr-text-muted);
}
.auth-footer a { color: var(--clr-accent); }

/* ── Sidebar — premium tab design ───────────────────────────────── */
.dashboard-layout {
  min-height: 100vh;
  padding-top: 68px;
  display: grid;
  grid-template-columns: 260px 1fr;
  max-width: 1400px;
  margin: 0 auto;
}

.sidebar {
  background: var(--clr-surface);
  border-right: 1px solid var(--clr-border);
  position: sticky;
  top: 68px;
  height: calc(100vh - 68px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding-bottom: 0;
}

/* Brand block */
.sidebar__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1.25rem 1rem;
}
.sidebar__brand-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, hsl(185,90%,35%), hsl(210,80%,50%));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.sidebar__brand-name {
  font-size: 0.875rem; font-weight: 700;
  color: var(--clr-text); letter-spacing: -0.01em;
}
.sidebar__brand-sub {
  font-size: 0.7rem; color: var(--clr-text-muted); margin-top: 1px;
}

.sidebar__divider {
  height: 1px; background: var(--clr-border); margin: 0.5rem 1rem;
}

/* Nav container */
.sidebar__nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0.5rem 0.75rem;
  flex: 1;
}

/* Tab buttons */
.sidebar__tab {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.65rem 0.9rem;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--clr-text-muted);
  font-size: 0.855rem;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
  text-align: left;
  position: relative;
}
.sidebar__tab:hover {
  background: var(--clr-surface-2);
  color: var(--clr-text);
}
.sidebar__tab.active {
  background: color-mix(in srgb, var(--clr-accent) 12%, transparent);
  color: var(--clr-accent);
  font-weight: 600;
  box-shadow: inset 3px 0 0 var(--clr-accent);
}
.sidebar__tab-icon {
  font-size: 1rem; flex-shrink: 0;
  width: 22px; text-align: center;
}
.sidebar__tab-label { flex: 1; }
.sidebar__tab-badge {
  background: var(--clr-accent);
  color: hsl(222,25%,8%);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 20px;
  min-width: 18px;
  text-align: center;
}

/* External links */
.sidebar__external {
  padding: 0 0.75rem 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.sidebar__ext-link {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  color: var(--clr-text-muted);
  font-size: 0.82rem;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}
.sidebar__ext-link:hover {
  background: var(--clr-surface-2);
  color: var(--clr-text);
}
.sidebar__ext-arrow { margin-left: auto; opacity: 0.5; font-size: 0.7rem; }

/* User footer */
.sidebar__footer {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.9rem 1rem;
  border-top: 1px solid var(--clr-border);
  background: var(--clr-surface);
  margin-top: auto;
}
.sidebar__avatar {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, hsl(185,90%,35%), hsl(270,60%,50%));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700; color: #fff;
  flex-shrink: 0;
}
.sidebar__user-info { flex: 1; min-width: 0; }
.sidebar__user-name {
  font-size: 0.8rem; font-weight: 600;
  color: var(--clr-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar__user-email {
  font-size: 0.7rem; color: var(--clr-text-muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar__logout {
  background: none; border: none;
  color: var(--clr-text-muted);
  font-size: 1.1rem; cursor: pointer;
  padding: 4px; border-radius: 6px;
  transition: color 0.15s, background 0.15s;
  flex-shrink: 0;
}
.sidebar__logout:hover { color: var(--clr-danger); background: hsl(355,60%,15%); }

/* ── Panel header ──────────────────────────────────────────────────── */
.panel-header {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 1.75rem; gap: 1rem;
}
.panel-title { font-size: 1.5rem; font-weight: 700; margin: 0; }
.panel-subtitle { font-size: 0.85rem; color: var(--clr-text-muted); margin: 0.25rem 0 0; }

.dashboard-main {
  padding: var(--space-8);
  min-width: 0;
}

/* ── Tumor Visualization Panel ─────────────────────────────────────── */
.tumor-viz-layout {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}
.tumor-canvas-container {
  background: hsl(222,25%,6%);
  border: 1px solid var(--clr-border);
  border-radius: 12px;
  overflow: hidden;
  min-height: 300px;
}
.tumor-legend-panel {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow-y: auto;
}
.legend-section { display: flex; flex-direction: column; gap: 0.45rem; }
.legend-title {
  font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--clr-text-muted); margin: 0 0 0.3rem;
}
.legend-item {
  display: flex; align-items: center; gap: 0.55rem;
  font-size: 0.8rem; color: var(--clr-text);
}
.legend-line {
  display: inline-block; width: 28px; height: 3px;
  border-radius: 2px; flex-shrink: 0;
}
.legend-cell {
  display: inline-block; width: 12px; height: 12px;
  flex-shrink: 0;
}
.legend-cell--tri {
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
}

/* Stats grid */
.tumor-stats-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}
.tumor-stat {
  background: var(--clr-surface-2);
  border-radius: 8px; padding: 0.5rem;
  text-align: center;
}
.tumor-stat__val { font-size: 1.15rem; font-weight: 700; line-height: 1; }
.tumor-stat__label { font-size: 0.65rem; color: var(--clr-text-muted); margin-top: 2px; }

/* Recommendations section */
.tumor-recs-section { margin-top: 0.5rem; }
.tumor-recs-title {
  font-size: 1rem; font-weight: 600; margin: 0 0 0.85rem;
  color: var(--clr-text);
}
.trec-badge, .trec-ev, .trec-status {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}


/* ── Modal ───────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: hsl(222, 25%, 4%, 0.8);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-normal);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  width: 100%;
  max-width: 500px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transform: translateY(20px) scale(0.97);
  transition: transform var(--dur-normal) var(--ease-spring);
}

.modal-overlay.open .modal {
  transform: none;
}

.modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
}

.modal__close {
  background: none;
  border: none;
  color: var(--clr-text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: var(--space-1);
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast);
}
.modal__close:hover { color: var(--clr-text); }

/* ── Toast Notifications ─────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 360px;
}

.toast {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  animation: toastIn var(--dur-normal) var(--ease-spring) both;
  cursor: pointer;
}

.toast--success { background: hsl(145, 65%, 30%); color: hsl(145, 65%, 80%); border: 1px solid hsl(145, 65%, 45%, 0.4); }
.toast--error   { background: hsl(355, 75%, 30%); color: hsl(355, 65%, 80%); border: 1px solid hsl(355, 75%, 55%, 0.4); }
.toast--info    { background: hsl(210, 80%, 25%); color: hsl(210, 70%, 80%); border: 1px solid hsl(210, 80%, 60%, 0.4); }

/* ── Animations ──────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--clr-accent-glow); }
  50%       { box-shadow: 0 0 0 8px transparent; }
}

.anim-fade-up { animation: fadeUp var(--dur-slow) var(--ease-out) both; }
.anim-delay-1 { animation-delay: 0.1s; }
.anim-delay-2 { animation-delay: 0.2s; }
.anim-delay-3 { animation-delay: 0.3s; }

/* ── Utility classes ─────────────────────────────────────────── */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.text-center { text-align: center; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.w-full { width: 100%; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }

  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--clr-surface);
    border-bottom: 1px solid var(--clr-border);
    padding: var(--space-6);
    gap: var(--space-2);
  }

  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }

  .dashboard-layout { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--clr-border);
    padding: var(--space-4);
  }
  .sidebar__nav { flex-direction: row; overflow-x: auto; }
}

@media (max-width: 600px) {
  .container { padding-inline: var(--space-4); }
  .section { padding-block: var(--space-16); }
  .hero__title { font-size: 2rem; }
  .footer__grid { grid-template-columns: 1fr; }
  .dashboard-main { padding: var(--space-4); }
  .auth-card { padding: var(--space-6) var(--space-5); }
}

/* ── Form Enhancements (Password Toggle & Strength) ─────────── */
.input-with-toggle {
  position: relative;
  display: flex;
  align-items: center;
}
.input-with-toggle .form-input {
  padding-right: var(--space-10);
  width: 100%;
}
.pw-toggle {
  position: absolute;
  right: var(--space-3);
  background: none;
  border: none;
  color: var(--clr-text-dim);
  cursor: pointer;
  padding: var(--space-1);
  font-size: 1rem;
  line-height: 1;
}
.pw-toggle:hover {
  color: var(--clr-text);
}
.pw-strength-bar {
  height: 4px;
  background: var(--clr-surface-2);
  border-radius: 2px;
  overflow: hidden;
  margin-top: var(--space-2);
}
.pw-strength-bar__fill {
  height: 100%;
  width: 0%;
  transition: width 0.3s ease, background-color 0.3s ease;
}
.pw-strength-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: var(--space-1);
}

/* ── Consent Checkboxes ────────────────────────────────────────── */
.consent-group {
  margin-block: var(--space-4);
}
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 0.82rem;
  color: var(--clr-text-muted);
  cursor: pointer;
  user-select: none;
}
.checkbox-label input[type="checkbox"] {
  margin-top: 3px;
  cursor: pointer;
}
.checkbox-label a {
  color: var(--clr-accent);
  text-decoration: none;
}
.checkbox-label a:hover {
  text-decoration: underline;
}

/* ── Expiry Warnings ───────────────────────────────────────────── */
.expiry-cell {
  font-weight: 500;
  font-size: 0.85rem;
}
.expiry--warning {
  color: #f97316; /* orange */
}
.expiry--critical {
  color: #ef4444; /* red */
  animation: pulse-red 2s infinite;
}
.expiry--expired {
  color: var(--clr-text-dim);
  text-decoration: line-through;
}
@keyframes pulse-red {
  0% { opacity: 1; }
  50% { opacity: 0.6; }
  100% { opacity: 1; }
}

/* ── Cookie Consent Banner ──────────────────────────────────────── */
#cookie-banner {
  position: fixed;
  bottom: var(--space-6);
  left: var(--space-6);
  right: var(--space-6);
  max-width: 580px;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  z-index: 9999;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
  animation: slide-up-cookie 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@media (min-width: 768px) {
  #cookie-banner {
    left: var(--space-6);
    right: auto;
  }
}
.cookie-banner--hiding {
  animation: slide-down-cookie 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards !important;
}
.cookie-banner__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
@media (min-width: 600px) {
  .cookie-banner__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}
.cookie-banner__text {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--clr-text-muted);
  margin: 0;
}
.cookie-banner__text a {
  color: var(--clr-accent);
  text-decoration: none;
}
.cookie-banner__text a:hover {
  text-decoration: underline;
}
.cookie-banner__actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}
@keyframes slide-up-cookie {
  from { transform: translateY(120%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
@keyframes slide-down-cookie {
  from { transform: translateY(0); opacity: 1; }
  to { transform: translateY(120%); opacity: 0; }
}

/* ── Keyboard Accessibility Focus States ────────────────────────── */
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--clr-accent);
  outline-offset: 3px;
}

/* ── Team Carousel and Member Cards ──────────────────────── */
.team-carousel {
  position: relative;
  display: flex;
  align-items: center;
  margin-top: var(--space-8);
  padding: 0 var(--space-4);
}

.team-carousel__track-container {
  overflow-x: auto;
  scroll-behavior: smooth;
  width: 100%;
  padding: var(--space-4) var(--space-2) var(--space-6) var(--space-2);
  -ms-overflow-style: none;  /* IE and Edge */
  scrollbar-width: none;  /* Firefox */
}

.team-carousel__track-container::-webkit-scrollbar {
  display: none; /* Hide scrollbar for Chrome, Safari and Opera */
}

.team-carousel__track {
  display: flex;
  gap: var(--space-6);
}

.team-carousel__track .team-card {
  flex: 0 0 240px; /* fixed width for horizontal layout */
}

.team-carousel__btn {
  background: hsla(222, 22%, 13%, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--clr-border);
  color: var(--clr-text);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 15;
  transition: all var(--dur-normal) ease;
  flex-shrink: 0;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

.team-carousel__btn:hover {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: hsl(222, 22%, 8%);
  box-shadow: 0 0 15px rgba(0, 212, 204, 0.4);
}

.team-carousel__btn--prev {
  left: -20px;
}

.team-carousel__btn--next {
  right: -20px;
}

@media (max-width: 768px) {
  .team-carousel__btn {
    display: none; /* simple swipe scroll on touch screens */
  }
  .team-carousel {
    padding: 0;
  }
}

.team-card {
  text-align: center;
  position: relative;
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-4);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  transition: all var(--dur-normal) cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.team-card:hover {
  border-color: hsl(185, 90%, 50%, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px -10px rgba(0, 212, 204, 0.15);
}

.team-card__image-container {
  position: relative;
  width: 130px;
  height: 130px;
  margin-inline: auto;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--clr-border);
  transition: all var(--dur-normal);
  background: var(--clr-bg);
}

.team-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-normal) ease;
}

.team-card:hover .team-card__img {
  transform: scale(1.08);
}

.team-card__info {
  margin-top: var(--space-4);
}

.team-card__name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--clr-text);
  margin-bottom: var(--space-1);
}

.team-card__role {
  font-size: 0.82rem;
  color: var(--clr-accent);
  font-weight: 500;
}

/* Bio overlay sliding up from bottom on card hover */
.team-card__overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, hsla(222, 22%, 8%, 0.96), hsla(222, 22%, 5%, 0.98));
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: all var(--dur-normal) cubic-bezier(0.4, 0, 0.2, 1);
  transform: translateY(100%);
  z-index: 10;
}

.team-card:hover .team-card__overlay {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.team-card__bio {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--clr-text);
  text-align: center;
}

/* ── Linux Installation Modal ────────────────────────────────────────── */
.dialog-modal {
  border: 1px solid var(--clr-border);
  background: linear-gradient(135deg, hsl(222, 22%, 8%), hsl(222, 22%, 5%));
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  max-width: 580px;
  width: 90%;
  color: var(--clr-text);
  box-shadow: var(--shadow-lg), var(--shadow-accent);
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
  z-index: 1000;
  overflow: visible;
}

.dialog-modal::backdrop {
  background: rgba(8, 9, 12, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.dialog-modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: none;
  border: none;
  color: var(--clr-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: var(--space-1);
  transition: color var(--dur-fast);
}

.dialog-modal__close:hover {
  color: var(--clr-accent);
}

.terminal-block {
  background-color: hsl(222, 30%, 3%);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-block: var(--space-4);
  position: relative;
  font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
  font-size: 0.88rem;
  color: #38bdf8; /* terminal cyan */
  overflow-x: auto;
}

.terminal-block__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: var(--space-2);
}

.terminal-block__dots {
  display: flex;
  gap: 6px;
}

.terminal-block__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.terminal-block__dot--red    { background-color: #ef4444; }
.terminal-block__dot--yellow { background-color: #eab308; }
.terminal-block__dot--green  { background-color: #22c55e; }

.terminal-block__btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--clr-text-muted);
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all var(--dur-fast);
}

.terminal-block__btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--clr-text);
  border-color: var(--clr-accent);
}

.terminal-block__code {
  white-space: pre;
  display: block;
  margin-top: var(--space-2);
  line-height: 1.5;
}

/* Animations */
@keyframes modalFadeIn {
  from { opacity: 0; transform: translate(-50%, -48%) scale(0.96); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

.dialog-modal[open] {
  animation: modalFadeIn 200ms var(--ease-out);
}

/* ── Stats row (institutional coverage) ──────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
  max-width: 960px;
  margin: 0 auto var(--space-12);
}

.stat-card {
  text-align: center;
  padding: var(--space-6);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
}

.stat-card__value {
  font-size: 2.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
}

.stat-card__label {
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  margin-top: var(--space-2);
}

/* ── FAQ accordion ────────────────────────────────────────────────── */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: var(--space-1) var(--space-6);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: var(--space-4) 0;
  font-weight: 600;
  color: var(--clr-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

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

.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--clr-accent);
  flex-shrink: 0;
  transition: transform var(--dur-fast);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  color: var(--clr-text-muted);
  line-height: 1.7;
  padding-bottom: var(--space-4);
  margin: 0;
}

/* ── Changelog page ───────────────────────────────────────────────── */
.changelog-content {
  padding-top: 100px;
  padding-bottom: 60px;
  max-width: 760px;
  margin: 0 auto;
}

.changelog-content h1 {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
  color: var(--clr-accent);
}

.changelog-content > p.text-muted {
  margin-bottom: 2.5rem;
}

.changelog-entry {
  border-left: 2px solid var(--clr-border);
  padding: 0 0 var(--space-8) var(--space-6);
  position: relative;
}

.changelog-entry::before {
  content: '';
  position: absolute;
  left: -7px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background: var(--clr-accent);
}

.changelog-entry__version {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--clr-text);
}

.changelog-entry__date {
  color: var(--clr-text-dim);
  font-size: 0.85rem;
  margin-bottom: var(--space-3);
}

.changelog-entry ul {
  padding-left: 1.25rem;
  color: var(--clr-text-muted);
  line-height: 1.8;
}