/* ── Reset ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* ── Design tokens ─────────────────────────────────────────────────────── */
:root {
  --bg:      #0d0c1d;
  --ink:     #e0dff5;
  --muted:   #8b8aaa;
  --subtle:  #b0afd0;
  --brand:   #c9a84c;   /* gold */
  --brand-2: #7c6ff7;   /* purple */
  --card:    #14122a;
  --border:  #2a2940;
  --maxw:    1100px;
  --radius:  14px;
  --shadow:  0 8px 28px rgba(0,0,0,.45);
  --t:       .18s ease;
}

/* ── Base ──────────────────────────────────────────────────────────────── */
body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
}

a { color: var(--brand-2); text-decoration: none; }
a:hover { color: #a39af9; }

img { display: block; max-width: 100%; }

/* ── Nav ───────────────────────────────────────────────────────────────── */
.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  font-size: 1.1rem;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo:hover { color: var(--brand); }

.nav-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: contain;
}

.spacer { flex: 1; }

.menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.menu a {
  color: var(--subtle);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: .9rem;
  transition: background var(--t), color var(--t);
}

.menu a:hover { background: var(--card); color: var(--ink); }

.burger {
  display: none;
  background: none;
  border: none;
  color: var(--ink);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
}

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  border: none;
  border-radius: 10px;
  padding: 14px 28px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  text-decoration: none;
  transition: opacity var(--t), transform var(--t);
  line-height: 1.2;
}

.btn:hover { opacity: .88; transform: translateY(-1px); }

.btn.primary { background: var(--brand); color: #0d0c1d; }
.btn.ghost   { background: transparent; color: var(--brand); border: 2px solid var(--brand); }

.btn.cta {
  background: var(--brand);
  color: #0d0c1d;
  padding: 9px 18px;
  font-size: .88rem;
  border-radius: 8px;
  white-space: nowrap;
}

/* ── Sections ──────────────────────────────────────────────────────────── */
section { scroll-margin-top: 64px; padding: 88px 16px; }

.section-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  width: 100%;
}

.section-heading { text-align: center; margin-bottom: 48px; }

.section-heading h2 {
  font-size: clamp(24px, 3.5vw, 36px);
  color: #fff;
  font-weight: 800;
}

.section-heading h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--brand);
  margin: 10px auto 0;
  border-radius: 2px;
}

.section-heading p {
  color: var(--subtle);
  margin-top: 12px;
  font-size: clamp(15px, 1.5vw, 18px);
}

/* ── Hero ──────────────────────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 16px;
}

.hero-logo {
  width: clamp(80px, 15vw, 120px);
  margin-bottom: 24px;
  border-radius: 20px;
}

#hero h1 {
  font-size: clamp(42px, 7vw, 74px);
  font-weight: 900;
  color: var(--brand);
  line-height: 1.05;
}

.tagline {
  font-size: clamp(16px, 2vw, 21px);
  color: var(--subtle);
  max-width: 520px;
  margin: 16px auto 36px;
}

.cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ── Features ──────────────────────────────────────────────────────────── */
#features { background: var(--card); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
}

.feature-icon {
  font-size: 2.2rem;
  display: block;
  margin-bottom: 14px;
}

.feature-card h3 {
  color: var(--brand);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--subtle);
  font-size: .9rem;
  line-height: 1.65;
}

/* ── Decks ─────────────────────────────────────────────────────────────── */
.decks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.deck-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-top: 4px solid var(--brand);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow);
}

.deck-card:nth-child(3) { border-top-color: var(--brand-2); }

.deck-card h3 {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.deck-card p {
  color: var(--subtle);
  font-size: .9rem;
  line-height: 1.65;
}

/* ── Download ──────────────────────────────────────────────────────────── */
#download { background: var(--card); text-align: center; }

.badge-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin: 36px 0 28px;
}

.store-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 24px;
  color: var(--ink);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 600;
  transition: border-color var(--t), opacity var(--t);
}

.store-badge:hover { color: var(--ink); }

.store-badge.placeholder {
  opacity: .45;
  cursor: not-allowed;
  pointer-events: none;
}

.store-badge-icon { font-size: 1.6rem; line-height: 1; }

.store-badge-text { text-align: left; line-height: 1.3; }
.store-badge-text small { display: block; font-size: .72rem; font-weight: 400; color: var(--muted); }

.or-divider {
  text-align: center;
  color: var(--muted);
  margin: 4px 0 20px;
  font-size: .9rem;
}

.or-divider::before,
.or-divider::after {
  content: '';
  display: inline-block;
  width: 40px;
  height: 1px;
  background: var(--border);
  vertical-align: middle;
  margin: 0 10px;
}

/* ── Footer ────────────────────────────────────────────────────────────── */
.site-footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 32px 16px 48px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
  color: var(--muted);
  font-size: .85rem;
}

.footer-logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  object-fit: contain;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--ink); }

/* ── Prose pages (privacy, about) ──────────────────────────────────────── */
.prose-page {
  max-width: 640px;
  margin: 0 auto;
  padding: 40px 16px 80px;
}

.back-link {
  display: inline-block;
  color: var(--muted);
  font-size: .9rem;
  margin-bottom: 2rem;
  transition: color var(--t);
}
.back-link:hover { color: var(--ink); }

.prose-page h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.prose-page .meta {
  font-size: .8rem;
  color: var(--muted);
  margin-bottom: 2.5rem;
}

.prose-page > p {
  font-size: .925rem;
  color: var(--subtle);
  line-height: 1.75;
}

.prose-page h2 {
  font-size: 1rem;
  font-weight: 600;
  color: #c8c7e8;
  margin: 2rem 0 .5rem;
}

.prose-page p,
.prose-page li {
  font-size: .925rem;
  color: var(--subtle);
  line-height: 1.75;
}

.prose-page ul { padding-left: 1.25rem; }
.prose-page li { margin-bottom: .25rem; }

.prose-page a { color: var(--brand-2); }
.prose-page a:hover { color: #a39af9; }

.prose-page .logo-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: .5rem;
}

.prose-page .logo-row img {
  width: 52px;
  height: 52px;
  border-radius: 12px;
}

.page-footer {
  margin-top: 3rem;
  font-size: .8rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}

.page-footer a { color: var(--muted); }
.page-footer a:hover { color: var(--ink); }

/* ── Mobile nav ────────────────────────────────────────────────────────── */
@media (max-width: 720px) {
  .burger { display: block; }

  .menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 8px 16px 16px;
    gap: 4px;
  }

  .menu.open { display: flex; }

  .menu a {
    padding: 10px 14px;
    font-size: 1rem;
  }

  .menu .btn.cta {
    text-align: center;
    padding: 12px 18px;
    margin-top: 4px;
    font-size: .95rem;
  }

  .nav-wrap { position: relative; }
}