/* Lantern — marketing site. Tokens mapped from BRAND.md (navy ramp + amber glow,
   dark-only, Inter + mono, lantern motif). No second bright accent competing
   with amber; one focal glow per section. */

:root {
  --bg: #0b1326;
  --surface-lowest: #060e20;
  --surface-low: #131b2e;
  --surface: #171f33;
  --surface-high: #222a3d;
  --surface-highest: #2d3449;
  --surface-bright: #31394d;

  --amber: #ffc107;
  --amber-bright: #ffe4af;
  --amber-dim: #fabd00;
  --on-amber: #4a3700;

  --on-surface: #dae2fd;
  --on-surface-variant: #d4c5ab;
  --outline: #9c8f78;
  --outline-variant: #4f4632;
  --tertiary: #84d5ff;
  --error: #ffb4ab;

  --glow-text: 0 0 14px rgba(255, 193, 7, 0.35);
  --glow-btn: 0 6px 22px rgba(255, 193, 7, 0.3);
  --maxw: 1120px;
  --radius: 16px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--on-surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

/* Atmosphere: layered radial amber glows + faint dotted "decentralized canvas"
   grid + a subtle grain, on the deep navy field. */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(60% 50% at 78% -5%, rgba(255, 193, 7, 0.16), transparent 60%),
    radial-gradient(45% 40% at 5% 18%, rgba(132, 213, 255, 0.06), transparent 60%),
    radial-gradient(50% 45% at 50% 110%, rgba(255, 193, 7, 0.08), transparent 60%);
}
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.4;
  pointer-events: none;
  background-image: radial-gradient(rgba(156, 143, 120, 0.07) 1px, transparent 1px);
  background-size: 22px 22px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ───────── Typography ───────── */
.eyebrow {
  font-family: 'Roboto Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber-dim);
}
h1, h2, h3 { line-height: 1.1; letter-spacing: -0.02em; font-weight: 700; }
.display { font-size: clamp(2.6rem, 6.2vw, 4.6rem); }
.amber-text { color: var(--amber-bright); text-shadow: var(--glow-text); }
.muted { color: var(--on-surface-variant); }
.mono { font-family: 'Roboto Mono', monospace; }

/* ───────── Buttons ───────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  border-radius: 10px;
  padding: 14px 22px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s var(--ease), background 0.2s, box-shadow 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.btn .material-symbols-outlined { font-size: 20px; }
.btn-primary {
  background: var(--amber);
  color: var(--on-amber);
  box-shadow: var(--glow-btn);
}
.btn-primary:hover { background: #ffb300; transform: translateY(-2px); }
.btn-primary:active { transform: scale(0.97); }
.btn-ghost {
  background: transparent;
  border-color: var(--outline-variant);
  color: var(--on-surface);
}
.btn-ghost:hover { background: var(--surface-high); border-color: var(--outline); }
.btn:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

/* ───────── Navbar ───────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 19, 38, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(79, 70, 50, 0.5);
}
.nav-inner { display: flex; align-items: center; gap: 16px; height: 68px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 700; font-size: 18px; letter-spacing: -0.01em; }
.brand img { width: 34px; height: 34px; border-radius: 9px; box-shadow: 0 0 18px rgba(255, 193, 7, 0.25); }
.nav-links { display: flex; gap: 28px; margin-left: auto; }
.nav-links a { font-size: 14px; color: var(--on-surface-variant); transition: color 0.2s; }
.nav-links a:hover { color: var(--amber-bright); }
.nav .btn { margin-left: 28px; padding: 10px 18px; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 0; color: var(--on-surface); cursor: pointer; }

/* ───────── Hero ───────── */
.hero { padding: 84px 0 72px; }
.hero-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: center; }
.hero h1 { margin: 20px 0 22px; }
.hero p.lede { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--on-surface-variant); max-width: 30ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-note { margin-top: 16px; font-size: 13px; color: var(--outline); display: flex; align-items: center; gap: 7px; }
.hero-note .material-symbols-outlined { font-size: 16px; color: var(--amber-dim); }

/* Reveal-on-load stagger */
.reveal-load { opacity: 0; transform: translateY(18px); animation: rise 0.8s var(--ease) forwards; }
.d1 { animation-delay: 0.05s; } .d2 { animation-delay: 0.15s; }
.d3 { animation-delay: 0.25s; } .d4 { animation-delay: 0.35s; } .d5 { animation-delay: 0.45s; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* ───────── Image placeholders (drop generated art here) ───────── */
.img-ph {
  position: relative;
  border: 1.5px dashed rgba(255, 193, 7, 0.4);
  border-radius: 20px;
  background:
    radial-gradient(70% 60% at 50% 35%, rgba(255, 193, 7, 0.1), transparent 70%),
    var(--surface-low);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 28px;
  gap: 12px;
  overflow: hidden;
}
.img-ph.cover { aspect-ratio: 4 / 3.4; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5); }
.img-ph.wide { aspect-ratio: 16 / 7; }
.img-ph .ph-icon {
  font-size: 40px;
  color: var(--amber);
  filter: drop-shadow(0 0 16px rgba(255, 193, 7, 0.4));
  animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { filter: drop-shadow(0 0 8px rgba(255,193,7,0.3)); } 50% { filter: drop-shadow(0 0 20px rgba(255,193,7,0.55)); } }
.img-ph .ph-label {
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber-dim);
}
.img-ph .ph-prompt {
  font-family: 'Roboto Mono', monospace;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--on-surface-variant);
  max-width: 46ch;
}

/* ───────── Real visuals ───────── */
.hero-visual { display: flex; justify-content: center; position: relative; }
.hero-visual::before {
  content: '';
  position: absolute;
  inset: 6% 12%;
  z-index: -1;
  background: radial-gradient(52% 46% at 50% 46%, rgba(255, 193, 7, 0.24), transparent 70%);
  filter: blur(14px);
}
.hero-visual img {
  height: min(82vh, 760px);
  width: auto;
  max-width: 100%;
  filter: drop-shadow(0 34px 60px rgba(0, 0, 0, 0.6));
  animation: float 6.5s ease-in-out infinite;
}
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

.showcase-visual img {
  width: 100%;
  border-radius: 20px;
  border: 1px solid rgba(79, 70, 50, 0.5);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

/* ───────── Sections ───────── */
section { padding: 76px 0; }
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); margin: 14px 0 12px; }
.section-head p { color: var(--on-surface-variant); font-size: 1.05rem; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ───────── Features ───────── */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature {
  background: var(--surface);
  border: 1px solid rgba(79, 70, 50, 0.45);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform 0.25s var(--ease), border-color 0.25s, background 0.25s;
}
.feature:hover { transform: translateY(-4px); border-color: rgba(255, 193, 7, 0.35); background: var(--surface-high); }
.feature .chip {
  width: 46px; height: 46px; border-radius: 999px;
  display: grid; place-items: center;
  background: rgba(255, 193, 7, 0.12);
  color: var(--amber);
  margin-bottom: 16px;
}
.feature .chip .material-symbols-outlined { font-size: 24px; }
.feature h3 { font-size: 1.15rem; margin-bottom: 8px; letter-spacing: -0.01em; }
.feature p { color: var(--on-surface-variant); font-size: 0.95rem; }

/* ───────── Install steps ───────── */
.install { background: var(--surface-lowest); border-top: 1px solid rgba(79,70,50,0.4); border-bottom: 1px solid rgba(79,70,50,0.4); }
.beta-tag {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: 'Roboto Mono', monospace; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--tertiary);
  background: rgba(132, 213, 255, 0.12);
  border: 1px solid rgba(132, 213, 255, 0.3);
  padding: 5px 11px; border-radius: 999px;
}
.steps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 12px; }
.step {
  display: flex; gap: 16px;
  background: var(--surface);
  border: 1px solid rgba(79, 70, 50, 0.45);
  border-radius: 14px;
  padding: 20px 22px;
}
.step .num {
  flex-shrink: 0;
  width: 34px; height: 34px; border-radius: 999px;
  display: grid; place-items: center;
  font-family: 'Roboto Mono', monospace; font-weight: 600; font-size: 15px;
  background: var(--amber); color: var(--on-amber);
}
.step h4 { font-size: 1rem; margin-bottom: 4px; }
.step p { color: var(--on-surface-variant); font-size: 0.92rem; }
.step code { font-family: 'Roboto Mono', monospace; color: var(--amber-bright); background: rgba(255,193,7,0.08); padding: 1px 6px; border-radius: 5px; font-size: 0.86em; }
.install-cta { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

/* ───────── Showcase ───────── */
.showcase-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: center; }
.showcase-grid ul { list-style: none; margin-top: 22px; display: grid; gap: 14px; }
.showcase-grid li { display: flex; gap: 12px; align-items: flex-start; color: var(--on-surface-variant); }
.showcase-grid li .material-symbols-outlined { color: var(--amber); font-size: 22px; flex-shrink: 0; }

/* ───────── Contact ───────── */
.contact { text-align: center; }
.contact-card {
  max-width: 620px; margin: 0 auto;
  background: var(--surface);
  border: 1px solid rgba(79, 70, 50, 0.5);
  border-radius: 22px;
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: ''; position: absolute; inset: -1px -1px auto -1px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
  opacity: 0.7;
}
.contact-card .material-symbols-outlined.big { font-size: 44px; color: var(--amber); filter: drop-shadow(0 0 16px rgba(255,193,7,0.4)); }
.contact-card h2 { font-size: 2rem; margin: 16px 0 10px; }
.contact-card p { color: var(--on-surface-variant); margin-bottom: 26px; }
.email-link {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'Roboto Mono', monospace; font-size: 1.1rem; font-weight: 500;
  color: var(--amber-bright);
  border: 1px solid rgba(255, 193, 7, 0.35);
  border-radius: 12px; padding: 14px 24px;
  transition: background 0.2s, box-shadow 0.2s;
}
.email-link:hover { background: rgba(255, 193, 7, 0.1); box-shadow: var(--glow-btn); }

/* ───────── Footer ───────── */
footer { border-top: 1px solid rgba(79, 70, 50, 0.5); padding: 56px 0 40px; background: var(--surface-lowest); }
.footer-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 40px; }
.footer-brand { max-width: 300px; }
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand p { color: var(--on-surface-variant); font-size: 0.9rem; }
.footer-col h5 { font-family: 'Roboto Mono', monospace; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--outline); margin-bottom: 16px; }
.footer-col a { display: flex; align-items: center; gap: 8px; color: var(--on-surface-variant); font-size: 0.95rem; padding: 6px 0; transition: color 0.2s; }
.footer-col a:hover { color: var(--amber-bright); }
.footer-col a .material-symbols-outlined { font-size: 17px; }
.footer-bottom { margin-top: 44px; padding-top: 22px; border-top: 1px solid rgba(79, 70, 50, 0.4); display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; align-items: center; color: var(--outline); font-size: 0.82rem; }
.footer-bottom a { color: var(--outline); }
.footer-bottom a:hover { color: var(--on-surface-variant); }

/* ───────── Cookie consent ───────── */
.cookie {
  position: fixed; left: 24px; bottom: 24px; z-index: 80;
  max-width: 380px;
  background: var(--surface-high);
  border: 1px solid rgba(255, 193, 7, 0.28);
  border-radius: 16px;
  padding: 20px 22px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.55);
  transform: translateY(140%);
  transition: transform 0.5s var(--ease);
}
.cookie.show { transform: none; }
.cookie h4 { display: flex; align-items: center; gap: 8px; font-size: 1rem; margin-bottom: 8px; }
.cookie h4 .material-symbols-outlined { color: var(--amber); font-size: 20px; }
.cookie p { font-size: 0.86rem; color: var(--on-surface-variant); margin-bottom: 16px; }
.cookie p a { color: var(--amber-bright); text-decoration: underline; }
.cookie-actions { display: flex; gap: 10px; }
.cookie-actions .btn { padding: 9px 16px; font-size: 14px; flex: 1; justify-content: center; }

/* ───────── Legal pages ───────── */
.legal { padding: 64px 0 80px; }
.legal .wrap { max-width: 800px; }
.legal a.back { display: inline-flex; align-items: center; gap: 6px; color: var(--on-surface-variant); font-size: 0.9rem; margin-bottom: 28px; }
.legal a.back:hover { color: var(--amber-bright); }
.legal h1 { font-size: clamp(2.2rem, 5vw, 3rem); margin-bottom: 8px; }
.legal .updated { font-family: 'Roboto Mono', monospace; font-size: 12px; color: var(--outline); margin-bottom: 36px; }
.legal h2 { font-size: 1.35rem; margin: 36px 0 12px; color: var(--amber-bright); letter-spacing: -0.01em; }
.legal p, .legal li { color: var(--on-surface-variant); margin-bottom: 12px; }
.legal ul { padding-left: 22px; }
.legal li { margin-bottom: 8px; }
.legal a.inline { color: var(--amber-bright); text-decoration: underline; }

/* ───────── Responsive ───────── */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero p.lede { max-width: none; }
  .features { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; }
  .showcase-grid { grid-template-columns: 1fr; gap: 32px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 68px; left: 0; right: 0;
    background: var(--surface-low); border-bottom: 1px solid var(--outline-variant); padding: 8px 24px 16px;
  }
  .nav-links.open a { padding: 12px 0; }
  .nav .btn { display: none; }
  .nav-toggle { display: inline-flex; }
}
@media (max-width: 560px) {
  .features { grid-template-columns: 1fr; }
  .cookie { left: 16px; right: 16px; bottom: 16px; max-width: none; }
  section { padding: 60px 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .reveal-load { opacity: 1; transform: none; animation: none; }
}