/* ============================================================
   SVPassman — Main Stylesheet
   Aesthetic: Vault Precision (dark-first, editorial, gold accents)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,600;0,9..144,700;1,9..144,300;1,9..144,400&family=IBM+Plex+Sans:wght@300;400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  /* Dark theme (default) */
  --bg:          #080b12;
  --bg-alt:      #0c1020;
  --surface:     #0f1422;
  --surface-2:   #141928;
  --surface-3:   #1a2035;
  --border:      #1e2a40;
  --border-2:    #243050;

  --gold:        #c8a041;
  --gold-dim:    #9e7a28;
  --gold-glow:   rgba(200,160,65,0.15);
  --blue:        #4a78ff;
  --blue-dim:    #2a52d0;
  --blue-glow:   rgba(74,120,255,0.12);

  --text-1:      #dde2ee;
  --text-2:      #8a95aa;
  --text-3:      #4e5870;
  --text-inv:    #0d1017;

  --green:       #34c97a;
  --red:         #e05252;
  --amber:       #e09b2a;

  --radius-sm:   6px;
  --radius:      10px;
  --radius-lg:   18px;
  --radius-xl:   28px;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body:    'IBM Plex Sans', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

  --shadow-sm:   0 1px 3px rgba(0,0,0,0.4);
  --shadow:      0 4px 20px rgba(0,0,0,0.5);
  --shadow-lg:   0 12px 48px rgba(0,0,0,0.6);
  --shadow-gold: 0 0 40px rgba(200,160,65,0.18);

  --transition:  0.2s ease;
  --header-h:    64px;
}

[data-theme="light"] {
  --bg:          #f9fafb;
  --bg-alt:      #f3f4f6;
  --surface:     #ffffff;
  --surface-2:   #f3f4f6;
  --surface-3:   #e9eaed;
  --border:      #e3e5ea;
  --border-2:    #d0d3da;

  --gold:        #96680c;
  --gold-dim:    #7a5408;
  --gold-glow:   rgba(150,104,12,0.09);
  --blue:        #2a52d0;
  --blue-dim:    #1a3aaa;
  --blue-glow:   rgba(42,82,208,0.07);

  --text-1:      #0d1117;
  --text-2:      #44515f;
  --text-3:      #9199a8;
  --text-inv:    #f5f7fa;

  --shadow-sm:   0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.04);
  --shadow:      0 4px 16px rgba(0,0,0,0.08), 0 1px 4px rgba(0,0,0,0.04);
  --shadow-lg:   0 12px 40px rgba(0,0,0,0.10), 0 2px 8px rgba(0,0,0,0.05);
  --shadow-gold: 0 0 32px rgba(150,104,12,0.10);
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-1);
  background: var(--bg);
  min-height: 100vh;
  transition: background 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold-dim); }
button { cursor: pointer; font-family: var(--font-body); }
ul, ol { list-style: none; }

::selection {
  background: var(--gold);
  color: var(--text-inv);
}

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold-dim); }

/* ── Typography ────────────────────────────────────────────── */
.display-xl {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.display-lg {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.display-md {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 400;
  line-height: 1.2;
}

.body-lg { font-size: 1.125rem; line-height: 1.75; color: var(--text-2); }
.body-sm { font-size: 0.875rem; line-height: 1.6; }
.mono { font-family: var(--font-mono); }
.gold { color: var(--gold); }
.muted { color: var(--text-2); }

/* ── Layout ────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }

/* ── Header ────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s, box-shadow 0.3s;
}

.site-header.scrolled {
  background: var(--bg);
  box-shadow: 0 1px 24px rgba(0,0,0,0.4);
}

[data-theme="light"] .site-header.scrolled {
  box-shadow: 0 1px 16px rgba(0,0,0,0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 32px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--text-1);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: opacity var(--transition);
}
.logo:hover { color: var(--text-1); opacity: 0.8; }

.logo-mark {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.logo-mark img { width: 32px; height: 32px; display: block; object-fit: contain; }

/* Nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  letter-spacing: 0.01em;
}
.nav-link:hover { color: var(--text-1); background: var(--surface-3); }
.nav-link.active { color: var(--gold); }

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 8px;
}

/* Theme toggle */
.theme-toggle {
  width: 36px; height: 36px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  transition: color var(--transition), background var(--transition), border-color var(--transition);
}
.theme-toggle:hover {
  color: var(--text-1);
  background: var(--surface-2);
  border-color: var(--border-2);
}
.theme-toggle .icon-sun,
.theme-toggle .icon-moon { width: 16px; height: 16px; }

[data-theme="light"] .icon-sun { display: none; }
[data-theme="dark"]  .icon-moon { display: none; }
[data-theme="light"] .icon-moon { display: block; }
[data-theme="dark"]  .icon-sun { display: block; }
/* default (before JS) */
.icon-sun { display: none; }
.icon-moon { display: block; }

/* CTA button in header */
.btn-ghost {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  padding: 7px 16px;
  border: 1px solid var(--border);
  background: transparent;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  letter-spacing: 0.01em;
}
.btn-ghost:hover {
  color: var(--text-1);
  border-color: var(--border-2);
  background: var(--surface);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px; height: 36px;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--text-2);
  border-radius: 2px;
  transition: all 0.25s ease;
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  z-index: 99;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu .nav-link { padding: 10px 12px; font-size: 1rem; display: block; }
.mobile-menu .header-actions { margin-top: 12px; }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius);
  border: none;
  letter-spacing: 0.02em;
  transition: all 0.2s ease;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gold);
  color: #080b12;
}
.btn-primary:hover {
  background: var(--gold-dim);
  color: #080b12;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(200,160,65,0.3);
}

.btn-secondary {
  background: var(--surface-2);
  color: var(--text-1);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--surface-3);
  border-color: var(--border-2);
  color: var(--text-1);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text-1);
  border: 1px solid var(--border-2);
}
.btn-outline:hover {
  background: var(--surface-2);
  color: var(--text-1);
  transform: translateY(-1px);
}

.btn-sm { font-size: 0.8125rem; padding: 8px 16px; }
.btn-lg { font-size: 1rem; padding: 15px 32px; border-radius: var(--radius-lg); }

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-h) + 48px) 24px 80px;
  text-align: center;
  overflow: hidden;
}

/* Animated grid background */
.hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 80%);
  opacity: 0.4;
}

[data-theme="light"] .hero-grid { opacity: 0.25; }

/* Radial glow */
.hero-glow {
  position: absolute;
  top: 20%; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, var(--gold-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--border-2);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  color: var(--text-2);
  background: var(--surface);
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeUp 0.6s ease 0.1s forwards;
}

.hero-badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  max-width: 880px;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.2s forwards;
}

.hero h1 em {
  font-style: italic;
  color: var(--gold);
}

.hero-sub {
  max-width: 560px;
  font-size: 1.125rem;
  color: var(--text-2);
  line-height: 1.75;
  margin-top: 24px;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.35s forwards;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 40px;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.5s forwards;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-top: 64px;
  padding-top: 64px;
  border-top: 1px solid var(--border);
  opacity: 0;
  animation: fadeUp 0.7s ease 0.65s forwards;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-1);
  display: block;
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.8125rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  margin-top: 6px;
  display: block;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Lock animation */
.hero-lock {
  position: relative;
  width: 96px; height: 96px;
  margin: 0 auto 40px;
  opacity: 0;
  animation: fadeUp 0.7s ease 0.1s forwards;
  filter: drop-shadow(0 8px 24px rgba(200,160,65,0.25));
}

.hero-lock svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 12px var(--gold-dim));
}

.lock-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--gold);
  animation: ring-expand 3s ease-out infinite;
}

.lock-ring-1 { width: 100%; height: 100%; top: 0; left: 0; opacity: 0.3; animation-delay: 0s; }
.lock-ring-2 { width: 140%; height: 140%; top: -20%; left: -20%; opacity: 0.2; animation-delay: 1s; }
.lock-ring-3 { width: 180%; height: 180%; top: -40%; left: -40%; opacity: 0.1; animation-delay: 2s; }

@keyframes ring-expand {
  0%   { transform: scale(0.8); opacity: 0.4; }
  100% { transform: scale(1.1); opacity: 0; }
}

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

/* ── Marquee / trust bar ───────────────────────────────────── */
.trust-bar {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
  overflow: hidden;
  background: var(--bg-alt);
}

.trust-bar-inner {
  display: flex;
  gap: 48px;
  animation: marquee 20s linear infinite;
  width: max-content;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  color: var(--text-3);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.trust-item svg { width: 14px; height: 14px; color: var(--gold); flex-shrink: 0; }

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── Section headings ──────────────────────────────────────── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  display: block;
  width: 20px; height: 1px;
  background: var(--gold);
}

.section-title { margin-bottom: 16px; }
.section-desc { color: var(--text-2); max-width: 560px; font-size: 1.0625rem; }

/* ── Features Grid ─────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 64px;
}

.feature-card {
  background: var(--surface);
  padding: 40px 36px;
  transition: background var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--gold-glow) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover { background: var(--surface-2); }
.feature-card:hover::after { opacity: 1; }

.feature-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  background: var(--surface-3);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--gold);
  transition: all var(--transition);
}

.feature-card:hover .feature-icon {
  background: var(--gold-glow);
  border-color: var(--gold-dim);
  box-shadow: 0 0 16px var(--gold-glow);
}

.feature-icon svg { width: 22px; height: 22px; }

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
}

/* ── Vault types ───────────────────────────────────────────── */
.vault-types {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-top: 48px;
}

.vault-type {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 28px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  text-align: center;
  transition: all 0.25s ease;
  cursor: default;
}

.vault-type:hover {
  border-color: var(--border-2);
  background: var(--surface-2);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.vault-type-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.vault-type-name {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-2);
  font-family: var(--font-mono);
}

/* ── Download section ──────────────────────────────────────── */
.download-section {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.download-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 64px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.download-card::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--gold-glow) 0%, transparent 70%);
  pointer-events: none;
}

.download-platforms {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.platform-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--text-1);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.platform-btn:hover {
  border-color: var(--gold);
  color: var(--text-1);
  background: var(--surface-3);
  box-shadow: var(--shadow-gold);
}

.platform-btn svg { width: 20px; height: 20px; flex-shrink: 0; }

.download-version {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-3);
  margin-top: 16px;
}

.download-version strong { color: var(--gold); }

/* Version number display */
.version-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

/* ── Security section ──────────────────────────────────────── */
.security-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-top: 64px;
}

.security-visual {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-2);
  line-height: 1.8;
  overflow: hidden;
}

.security-visual::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--blue));
}

.code-line { display: flex; gap: 16px; }
.code-ln { color: var(--text-3); user-select: none; min-width: 24px; }
.code-key { color: var(--blue); }
.code-val { color: var(--green); }
.code-comment { color: var(--text-3); }

.security-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.security-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.security-item-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: var(--gold-glow);
  border: 1px solid var(--gold-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  flex-shrink: 0;
  margin-top: 2px;
}

.security-item-icon svg { width: 16px; height: 16px; }

.security-item h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 4px;
}

.security-item p {
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.6;
}

/* ── Page hero (inner pages) ───────────────────────────────── */
.page-hero {
  padding: calc(var(--header-h) + 64px) 0 64px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}

.page-hero .section-label { margin-bottom: 12px; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--text-3);
  margin-bottom: 24px;
  font-family: var(--font-mono);
}
.breadcrumb a { color: var(--text-3); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb-sep { color: var(--text-3); }

/* ── Prose content ─────────────────────────────────────────── */
.prose {
  max-width: 720px;
  color: var(--text-1);
}

.prose h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-1);
  margin: 48px 0 16px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
  letter-spacing: -0.01em;
}

.prose h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.prose h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-1);
  margin: 28px 0 12px;
}

.prose p { margin-bottom: 16px; color: var(--text-2); line-height: 1.8; }
.prose a { color: var(--gold); }
.prose a:hover { text-decoration: underline; }

.prose ul, .prose ol {
  margin: 16px 0 24px 24px;
  list-style: initial;
  color: var(--text-2);
}
.prose ol { list-style: decimal; }
.prose li { margin-bottom: 8px; line-height: 1.7; }

.prose strong { color: var(--text-1); font-weight: 600; }

.prose code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--gold);
}

.prose blockquote {
  border-left: 3px solid var(--gold);
  padding-left: 20px;
  margin: 24px 0;
  color: var(--text-2);
  font-style: italic;
}

.prose .last-updated {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-3);
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
  display: block;
}

/* ── Legal / Policy layout ─────────────────────────────────── */
.legal-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 64px;
  align-items: start;
  padding: 64px 0 96px;
}

.toc {
  position: sticky;
  top: calc(var(--header-h) + 24px);
}

.toc-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 16px;
}

.toc-list { display: flex; flex-direction: column; gap: 2px; }

.toc-link {
  display: block;
  font-size: 0.85rem;
  color: var(--text-3);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: all var(--transition);
  line-height: 1.4;
}

.toc-link:hover {
  color: var(--text-1);
  background: var(--surface-2);
  border-left-color: var(--border-2);
}

.toc-link.active {
  color: var(--gold);
  border-left-color: var(--gold);
  background: var(--gold-glow);
}

/* ── Docs layout ───────────────────────────────────────────── */
.docs-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 0;
  min-height: calc(100svh - var(--header-h));
}

.docs-sidebar {
  position: sticky;
  top: var(--header-h);
  height: calc(100svh - var(--header-h));
  overflow-y: auto;
  border-right: 1px solid var(--border);
  padding: 32px 0;
  background: var(--bg-alt);
}

.docs-sidebar::-webkit-scrollbar { width: 4px; }

.sidebar-section { margin-bottom: 32px; }

.sidebar-section-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 0 24px;
  margin-bottom: 8px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-2);
  padding: 8px 24px;
  border-right: 2px solid transparent;
  transition: all var(--transition);
  line-height: 1.4;
}
.sidebar-link:hover { color: var(--text-1); background: var(--surface-2); }
.sidebar-link.active {
  color: var(--gold);
  border-right-color: var(--gold);
  background: var(--gold-glow);
}
.sidebar-link svg { width: 15px; height: 15px; flex-shrink: 0; opacity: 0.7; }

.docs-content {
  padding: 48px 64px 96px;
  max-width: 800px;
}

.docs-content h1 {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.docs-content .doc-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-3);
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.docs-content h2 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-1);
  margin: 48px 0 16px;
  letter-spacing: -0.01em;
}

.docs-content h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-1);
  margin: 32px 0 12px;
}

.docs-content p { color: var(--text-2); line-height: 1.8; margin-bottom: 16px; }
.docs-content a { color: var(--gold); }

.docs-content ul, .docs-content ol {
  margin: 16px 0 24px 24px;
  color: var(--text-2);
}
.docs-content ul { list-style: disc; }
.docs-content ol { list-style: decimal; }
.docs-content li { margin-bottom: 8px; line-height: 1.7; }

.docs-content code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--gold);
}

.docs-content pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 24px 0;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.8;
  color: var(--text-2);
}

.docs-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
}

.callout {
  display: flex;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--radius);
  margin: 24px 0;
  font-size: 0.9rem;
  line-height: 1.65;
}

.callout-info {
  background: var(--blue-glow);
  border: 1px solid color-mix(in srgb, var(--blue) 30%, transparent);
  color: var(--text-2);
}
.callout-info svg { color: var(--blue); flex-shrink: 0; margin-top: 2px; }

.callout-warning {
  background: rgba(224,155,42,0.08);
  border: 1px solid rgba(224,155,42,0.25);
  color: var(--text-2);
}
.callout-warning svg { color: var(--amber); flex-shrink: 0; margin-top: 2px; }

.callout svg { width: 18px; height: 18px; }

.doc-section { padding-top: 32px; margin-bottom: 48px; }

.doc-nav {
  display: flex;
  gap: 16px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.doc-nav-btn {
  flex: 1;
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  text-decoration: none;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.doc-nav-btn:hover {
  border-color: var(--border-2);
  background: var(--surface-2);
}
.doc-nav-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}
.doc-nav-title { font-size: 0.9rem; font-weight: 500; color: var(--text-1); }
.doc-nav-next { text-align: right; }

/* ── Badge ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 500;
}

.badge-gold {
  background: var(--gold-glow);
  border: 1px solid var(--gold-dim);
  color: var(--gold);
}

.badge-blue {
  background: var(--blue-glow);
  border: 1px solid rgba(74,120,255,0.3);
  color: var(--blue);
}

.badge-green {
  background: rgba(52,201,122,0.1);
  border: 1px solid rgba(52,201,122,0.3);
  color: var(--green);
}

/* ── Footer ────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 56px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand { max-width: 280px; }

.footer-brand .logo { margin-bottom: 16px; }

.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-3);
  line-height: 1.65;
  margin-bottom: 20px;
}

.footer-col-title {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-2);
  transition: color var(--transition);
}
.footer-link:hover { color: var(--text-1); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-github {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-3);
  font-size: 0.8125rem;
  transition: color var(--transition);
}
.footer-github:hover { color: var(--text-1); }
.footer-github svg { width: 16px; height: 16px; }

/* ── Scroll reveal ─────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .vault-types { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .download-card { grid-template-columns: 1fr; }
  .security-grid { grid-template-columns: 1fr; }
  .docs-content { padding: 40px 40px 80px; }
}

@media (max-width: 768px) {
  :root { --header-h: 56px; }

  .main-nav, .header-actions .btn-ghost { display: none; }
  .hamburger { display: flex; }
  .header-actions { margin-left: 0; }

  .features-grid { grid-template-columns: 1fr; }
  .vault-types { grid-template-columns: repeat(2, 1fr); }

  .legal-layout {
    grid-template-columns: 1fr;
    padding: 40px 0 64px;
  }
  .toc { display: none; }

  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 24px 0;
    overflow-y: visible;
  }
  .docs-content { padding: 32px 24px 64px; }

  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; max-width: 100%; }

  .download-card { padding: 32px 24px; }
  .hero-stats { gap: 24px; }

  .section { padding: 64px 0; }
  .doc-nav { flex-direction: column; }
}

@media (max-width: 480px) {
  .vault-types { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .platform-btn { width: 100%; }
  .download-platforms { flex-direction: column; }
}

/* ── Utility ───────────────────────────────────────────────── */
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.pt-header { padding-top: var(--header-h); }

/* Docs mobile toggle */
.docs-sidebar-toggle {
  display: none;
  width: 100%;
  padding: 12px 24px;
  background: var(--surface-2);
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.875rem;
  font-family: var(--font-body);
  cursor: pointer;
  text-align: left;
  align-items: center;
  gap: 8px;
}

@media (max-width: 768px) {
  .docs-sidebar-toggle { display: flex; }
  .docs-sidebar-nav { display: none; padding: 8px 0; }
  .docs-sidebar-nav.open { display: block; }
}