/* Skywritten — dark luxury-observatory design system. One theme, one gold accent. */
:root {
  --bg:        #070a14;
  --bg-2:      #0b1020;
  --surface:   #111726;
  --surface-2: #161d30;
  --line:      rgba(232, 194, 122, 0.14);
  --hair:      rgba(255, 255, 255, 0.08);
  --ink:       #f2ede1;
  --ink-2:     #aeb4c6;
  --ink-3:     #767d92;
  --gold:      #e8c27a;
  --gold-2:    #d9ad5c;
  --gold-soft: rgba(232, 194, 122, 0.12);
  --radius:    16px;
  --radius-sm: 10px;
  --maxw:      1200px;
  --ease:      cubic-bezier(0.16, 1, 0.3, 1);
  --serif:     'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --sans:      'Outfit', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.02; margin: 0; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.eyebrow {
  font-size: 12px; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--gold); font-weight: 500;
}
.muted { color: var(--ink-2); }
.serif { font-family: var(--serif); }

/* ---- starfield backdrop (rendered by engine, ambient) ---- */
#starfield {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  opacity: 0.3;
}
#starfield svg { width: 140vw; height: 140vh; position: absolute; top: -20vh; left: -20vw; }
.grain {
  position: fixed; inset: 0; z-index: 60; pointer-events: none; opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
main, header, footer { position: relative; z-index: 1; }

/* ---- nav ---- */
header.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(7,10,20,0.86), rgba(7,10,20,0.55));
  border-bottom: 1px solid var(--hair);
}
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 11px; font-family: var(--serif);
  font-size: 25px; font-weight: 600; letter-spacing: 0.01em; }
.brand .mark { width: 26px; height: 26px; flex: none; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: 14.5px; color: var(--ink-2); transition: color .25s var(--ease); }
.nav-links a:hover { color: var(--ink); }
.nav-links a.btn-gold, .nav-links a.btn-gold:hover { color: #201704; }
.btn {
  font-family: var(--sans); font-size: 15px; font-weight: 500; cursor: pointer;
  border: none; border-radius: 999px; padding: 12px 26px; transition: transform .18s var(--ease), box-shadow .25s var(--ease);
  display: inline-flex; align-items: center; gap: 9px; white-space: nowrap;
}
.btn-gold { background: linear-gradient(180deg, var(--gold), var(--gold-2)); color: #201704;
  box-shadow: 0 8px 30px rgba(232,194,122,0.22); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(232,194,122,0.32); }
.btn-gold:active { transform: translateY(0) scale(0.98); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { background: var(--gold-soft); border-color: var(--gold); }
.btn-lg { padding: 16px 34px; font-size: 16.5px; }
.nav-links .btn { padding: 10px 22px; }

/* ---- hero ---- */
.hero { min-height: calc(100dvh - 70px); display: grid; grid-template-columns: 1.05fr 0.95fr;
  align-items: center; gap: 48px; padding: 24px 0 56px; }
.hero-copy { max-width: 560px; }
.hero h1 { font-size: clamp(46px, 5.4vw, 78px); letter-spacing: -0.01em; margin: 20px 0 22px; }
.hero h1 em { font-style: italic; color: var(--gold); }
.hero p.lede { font-size: 20px; color: var(--ink-2); max-width: 33ch; line-height: 1.5; }
.hero-cta { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero-trust { margin-top: 26px; font-size: 14px; color: var(--ink-3); display: flex;
  gap: 20px; flex-wrap: wrap; align-items: center; }
.hero-trust b { color: var(--ink-2); font-weight: 500; }

.hero-poster { justify-self: center; position: relative; }
.poster-frame {
  width: min(400px, 82vw); aspect-ratio: 3/4; border-radius: 6px; overflow: hidden;
  box-shadow: 0 40px 120px rgba(0,0,0,0.6), 0 0 0 1px var(--hair), 0 0 0 12px #0d1220, 0 0 0 13px var(--line);
  background: var(--bg-2);
}
.poster-frame svg { width: 100%; height: 100%; }
.poster-float { animation: floaty 7s var(--ease) infinite; }
@keyframes floaty { 0%,100% { transform: translateY(0) rotate(-1.2deg); } 50% { transform: translateY(-14px) rotate(-1.2deg); } }

/* ---- sections ---- */
section { padding: 96px 0; }
.section-head { max-width: 620px; margin-bottom: 52px; }
.section-head h2 { font-size: clamp(38px, 4.6vw, 58px); margin: 14px 0 16px; }
.section-head p { font-size: 18px; color: var(--ink-2); }
.center { text-align: center; margin-left: auto; margin-right: auto; }

/* how it works — vertical stepped, not 3 equal cards */
.steps { display: grid; gap: 2px; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--hair); }
.step { display: grid; grid-template-columns: 88px 1fr; gap: 24px; align-items: center;
  padding: 34px 32px; background: var(--surface); transition: background .3s var(--ease); }
.step:hover { background: var(--surface-2); }
.step .num { font-family: var(--serif); font-size: 54px; color: var(--gold);
  font-style: italic; line-height: 1; }
.step h3 { font-size: 26px; margin-bottom: 7px; }
.step p { color: var(--ink-2); font-size: 16px; max-width: 62ch; }

/* styles gallery */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.style-card { background: var(--surface); border: 1px solid var(--hair); border-radius: var(--radius);
  padding: 16px; transition: transform .3s var(--ease), border-color .3s var(--ease); }
.style-card:hover { transform: translateY(-6px); border-color: var(--line); }
.style-card .thumb { aspect-ratio: 3/4; border-radius: 8px; overflow: hidden; background: var(--bg-2); }
.style-card .thumb svg { width: 100%; height: 100%; }
.style-card .label { display: flex; justify-content: space-between; align-items: center;
  margin-top: 14px; padding: 0 4px; }
.style-card .label span { font-family: var(--serif); font-size: 21px; }
.style-card .label small { color: var(--ink-3); font-size: 12.5px; letter-spacing: 0.12em;
  text-transform: uppercase; }

/* ---- generator studio ---- */
.studio { background: linear-gradient(180deg, var(--bg-2), var(--bg)); border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair); }
.studio-grid { display: grid; grid-template-columns: 380px 1fr; gap: 48px; align-items: start; }
.panel { background: var(--surface); border: 1px solid var(--hair); border-radius: var(--radius);
  padding: 26px; position: sticky; top: 92px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13px; letter-spacing: 0.06em; color: var(--ink-2);
  margin-bottom: 7px; font-weight: 500; }
.field input, .field select {
  width: 100%; background: var(--bg); border: 1px solid var(--hair); border-radius: var(--radius-sm);
  color: var(--ink); font-family: var(--sans); font-size: 15px; padding: 12px 14px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease); }
.field input:focus, .field select:focus { outline: none; border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-soft); }
.field input::placeholder { color: var(--ink-3); }
.field .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hint { font-size: 12.5px; color: var(--ink-3); margin-top: 6px; }
.geo-results { list-style: none; margin: 6px 0 0; padding: 0; border: 1px solid var(--hair);
  border-radius: var(--radius-sm); overflow: hidden; display: none; }
.geo-results.show { display: block; }
.geo-results li { padding: 10px 14px; font-size: 14px; cursor: pointer; color: var(--ink-2);
  border-top: 1px solid var(--hair); }
.geo-results li:first-child { border-top: none; }
.geo-results li:hover { background: var(--surface-2); color: var(--ink); }
.style-pills { display: flex; gap: 8px; flex-wrap: wrap; }
.style-pill { flex: 1; min-width: 70px; text-align: center; padding: 9px 6px; border-radius: var(--radius-sm);
  border: 1px solid var(--hair); background: var(--bg); font-size: 13.5px; cursor: pointer;
  color: var(--ink-2); transition: all .2s var(--ease); }
.style-pill.active { border-color: var(--gold); color: var(--ink); background: var(--gold-soft); }
.toggles { display: flex; gap: 18px; margin-bottom: 20px; }
.toggle { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink-2);
  cursor: pointer; }
.toggle input { width: auto; accent-color: var(--gold); }

.preview-stage { position: relative; }
.preview-poster { width: min(460px, 100%); margin: 0 auto; aspect-ratio: 3/4;
  border-radius: 6px; overflow: hidden; background: var(--bg-2);
  box-shadow: 0 30px 90px rgba(0,0,0,0.55), 0 0 0 1px var(--hair), 0 0 0 10px #0d1220, 0 0 0 11px var(--line); }
.preview-poster svg { width: 100%; height: 100%; }
.preview-actions { max-width: min(460px, 100%); margin: 24px auto 0; text-align: center; }
.price-row { display: flex; gap: 12px; justify-content: center; margin-bottom: 14px; flex-wrap: wrap; }
.price-opt { flex: 1; min-width: 150px; border: 1px solid var(--hair); border-radius: var(--radius-sm);
  padding: 14px 16px; cursor: pointer; text-align: left; background: var(--surface);
  transition: all .2s var(--ease); }
.price-opt.active { border-color: var(--gold); background: var(--gold-soft); }
.price-opt .p { font-family: var(--serif); font-size: 27px; color: var(--gold); }
.price-opt .n { font-size: 14px; color: var(--ink); font-weight: 500; }
.price-opt .d { font-size: 12.5px; color: var(--ink-3); }
.unlock-note { font-size: 13px; color: var(--ink-3); margin-top: 12px; }

/* ---- pricing / value strip ---- */
.value { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--hair);
  border: 1px solid var(--hair); border-radius: var(--radius); overflow: hidden; }
.value div { background: var(--bg-2); padding: 34px 28px; }
.value h3 { font-size: 23px; margin-bottom: 8px; }
.value p { color: var(--ink-2); font-size: 15px; }
.value .big { font-family: var(--serif); color: var(--gold); font-size: 44px; font-style: italic; }

/* ---- faq ---- */
.faq { max-width: 780px; margin: 0 auto; }
.qa { border-top: 1px solid var(--hair); padding: 24px 4px; }
.qa:last-child { border-bottom: 1px solid var(--hair); }
.qa summary { font-family: var(--serif); font-size: 23px; cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; color: var(--gold); font-size: 28px; font-family: var(--sans);
  transition: transform .3s var(--ease); }
.qa[open] summary::after { transform: rotate(45deg); }
.qa p { color: var(--ink-2); margin-top: 14px; font-size: 16px; max-width: 68ch; }

/* ---- footer ---- */
footer { border-top: 1px solid var(--hair); padding: 60px 0 40px; }
.foot { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px;
  flex-wrap: wrap; }
.foot .brand { font-size: 22px; }
.foot p { color: var(--ink-3); font-size: 14px; margin-top: 12px; max-width: 42ch; }
.foot-links { display: flex; gap: 46px; flex-wrap: wrap; }
.foot-col h4 { font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-2);
  margin: 0 0 14px; font-family: var(--sans); font-weight: 600; }
.foot-col a { display: block; color: var(--ink-3); font-size: 14.5px; margin-bottom: 9px;
  transition: color .2s var(--ease); }
.foot-col a:hover { color: var(--gold); }
.copyright { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--hair);
  color: var(--ink-3); font-size: 13px; display: flex; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; }

/* ---- checkout modal ---- */
.modal-bg { position: fixed; inset: 0; z-index: 100; background: rgba(4,6,12,0.78);
  backdrop-filter: blur(6px); display: none; align-items: center; justify-content: center;
  padding: 24px; }
.modal-bg.show { display: flex; }
.modal { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  max-width: 460px; width: 100%; padding: 32px; max-height: 90vh; overflow-y: auto; }
.modal h3 { font-size: 30px; margin-bottom: 6px; }
.modal .sub { color: var(--ink-2); font-size: 15px; margin-bottom: 22px; }
.pay-addr { background: var(--bg); border: 1px solid var(--hair); border-radius: var(--radius-sm);
  padding: 12px 14px; font-family: 'Outfit', monospace; font-size: 13px; word-break: break-all;
  color: var(--ink); display: flex; justify-content: space-between; gap: 10px; align-items: center;
  margin-bottom: 8px; }
.pay-addr button { background: var(--gold-soft); border: 1px solid var(--line); color: var(--gold);
  border-radius: 6px; padding: 6px 12px; font-size: 12px; cursor: pointer; white-space: nowrap; }
.net-tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.net-tab { flex: 1; text-align: center; padding: 9px; border-radius: var(--radius-sm);
  border: 1px solid var(--hair); background: var(--bg); font-size: 13.5px; cursor: pointer;
  color: var(--ink-2); }
.net-tab.active { border-color: var(--gold); color: var(--ink); background: var(--gold-soft); }
.modal .status { font-size: 14px; margin-top: 14px; padding: 12px 14px; border-radius: var(--radius-sm);
  display: none; }
.modal .status.show { display: block; }
.status.err { background: rgba(220,90,90,0.12); color: #f0a8a8; border: 1px solid rgba(220,90,90,0.3); }
.status.ok { background: rgba(120,200,150,0.12); color: #a6e6bf; border: 1px solid rgba(120,200,150,0.3); }
.status.info { background: var(--surface-2); color: var(--ink-2); }
.modal-close { float: right; background: none; border: none; color: var(--ink-3); font-size: 26px;
  cursor: pointer; line-height: 1; margin: -8px -8px 0 0; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---- responsive ---- */
@media (max-width: 940px) {
  .hero { grid-template-columns: 1fr; text-align: center; padding-top: 20px; }
  .hero-copy { max-width: 100%; margin: 0 auto; }
  .hero p.lede { max-width: 46ch; margin-left: auto; margin-right: auto; }
  .hero-cta, .hero-trust { justify-content: center; }
  .hero-poster { order: -1; }
  .studio-grid { grid-template-columns: 1fr; }
  .panel { position: static; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .value { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .nav-links a:not(.btn) { display: none; }
  section { padding: 68px 0; }
  .step { grid-template-columns: 56px 1fr; gap: 16px; padding: 26px 22px; }
  .step .num { font-size: 40px; }
  .gallery { grid-template-columns: 1fr 1fr; gap: 12px; }
  .hero-cta .btn { flex: 1; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}
