/* BrainFever Studio — site. Nocturne tokens from the app. */
:root {
  --bg: #161826; --surface: #232532; --text: #e9e9ed; --accent: #9184d9;
  --n100: #f3f5fe; --n200: #e4e7f5; --n300: #cfd3e5; --n400: #b2b6ca; --n500: #9397ab; --n600: #75798c; --n700: #595d6c; --n800: #3f424d; --n900: #292b31;
  --a100: #f5f4ff; --a200: #e7e5fe; --a300: #d2cefd; --a400: #b5abfc; --a600: #796cbf; --a700: #5d5294; --a800: #423a6a;
  --section: #262a60; --glow: #353b80;
  --radius: 10px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Instrument Sans", -apple-system, "SF Pro Text", system-ui, sans-serif;
  font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased;
}
a { color: var(--a300); text-decoration: none; }
a:hover { color: var(--a200); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Nav */
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-family: "Outfit", "Instrument Sans", sans-serif; letter-spacing: .12em; font-size: 18px; color: var(--text); white-space: nowrap; font-weight: 800;}
.brand span { color: var(--a300); font-weight: 100; }
.nav ul { list-style: none; display: flex; gap: 22px; margin-top:24px; margin-left: 30px; padding: 0; font-size: 14px; }
.nav ul a { color: var(--n400); }
.nav ul a:hover { color: var(--text); }

/* Hero: full-bleed looping video with the headline over it (Runway / Luma style). */
.nav-over { position: absolute; top: 0; left: 0; right: 0; z-index: 5; height: 64px; }
.nav-over .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-over .brand, .nav-over ul a { text-shadow: 0 1px 12px rgba(0,0,0,.3); }
.hero-video { position: relative; min-height: 92vh; display: flex; align-items: flex-end; justify-content: center; overflow: hidden; background: #0b0c14; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-shade { position: absolute; inset: 0; background:
  linear-gradient(180deg, rgba(11,12,20,.55) 0%, rgba(11,12,20,.05) 30%, rgba(11,12,20,.35) 60%, rgba(22,24,38,.92) 88%, var(--bg) 100%); }
.hero-content { position: relative; z-index: 2; max-width: 860px; padding: 160px 24px 84px; text-align: center; }
.hero-content h1 { font-size: clamp(38px, 6.4vw, 76px); line-height: 1.02; margin: 0 0 18px; letter-spacing: -.02em; font-weight: 700; text-shadow: 0 2px 30px rgba(0,0,0,.55); }
.hero-content h1 em { font-style: normal; color: var(--a300); }
.hero-content .eyebrow { color: var(--a300); }
.hero-content p.lead { font-size: 19px; color: var(--n200); margin: 0 auto 28px; max-width: 640px; text-shadow: 0 1px 16px rgba(0,0,0,.6); }
.hero-content .cta { justify-content: center; }
.hero-content .fine { color: var(--n400); }
.btn-lg { height: 50px; padding: 0 22px; font-size: 16px; }
.hero-content .btn-primary { background: linear-gradient(90deg, rgba(145,132,217,.55), rgba(53,59,128,.8)); box-shadow: inset 0 1px 0 rgba(231,229,254,.35), 0 0 0 1px rgba(145,132,217,.25), 0 10px 40px rgba(145,132,217,.25); }
.hero-content .btn-primary:hover { background: linear-gradient(90deg, rgba(145,132,217,.7), rgba(53,59,128,.9)); }
.hero-content .btn-ghost { background: rgba(22,24,38,.45); backdrop-filter: blur(8px); border-color: rgba(233,233,237,.22); }

/* Legacy two-column hero (unused on the landing page, kept for other pages). */
.hero { padding: 56px 0 24px; display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(34px, 5vw, 52px); line-height: 1.08; margin: 0 0 16px; letter-spacing: -.01em; }
.hero h1 em { font-style: normal; color: var(--a300); }
.hero p.lead { font-size: 18px; color: var(--n300); margin: 0 0 26px; max-width: 520px; }
.cta { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; height: 44px; padding: 0 18px; border-radius: var(--radius); font-weight: 600; font-size: 15px; border: 1px solid transparent; cursor: pointer; }
.btn-primary { color: var(--a100); background: linear-gradient(90deg, rgba(145,132,217,.28), rgba(53,59,128,.55)); border-color: var(--a700); box-shadow: inset 0 1px 0 rgba(231,229,254,.3), 0 0 0 1px rgba(145,132,217,.15); }
.btn-primary:hover { color: #fff; background: linear-gradient(90deg, rgba(145,132,217,.36), rgba(53,59,128,.65)); }
.btn-ghost { color: var(--text); border-color: rgba(233,233,237,.16); }
.btn-ghost:hover { background: rgba(233,233,237,.07); color: #fff; }
.fine { font-size: 13px; color: var(--n500); margin-top: 10px; }

/* Sections */
section { padding: 56px 0; }
h2 { font-size: 28px; margin: 0 0 8px; letter-spacing: -.01em; }
.sub { color: var(--n500); margin: 0 0 28px; }
.eyebrow { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--n500); margin-bottom: 10px; }

.tools { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.tool { background: var(--n900); border: 1px solid var(--n800); border-radius: 12px; padding: 18px; }
.tool h3 { margin: 6px 0 6px; font-size: 16px; }
.tool p { margin: 0; color: var(--n400); font-size: 14px; }
.tool .ico { width: 34px; height: 34px; border-radius: 8px; background: rgba(145,132,217,.12); border: 1px solid var(--a700); display: grid; place-items: center; color: var(--a300); font-size: 16px; }

.shots { display: grid; grid-template-columns: 1fr; gap: 28px; }
.shot { display: grid; grid-template-columns: 1.4fr 1fr; gap: 28px; align-items: center; }
.shot:nth-child(even) { direction: rtl; }
.shot:nth-child(even) > * { direction: ltr; }
.shot img { width: 100%; border-radius: 12px; border: 1px solid var(--n800); box-shadow: 0 20px 60px rgba(0,0,0,.5); display: block; }
.shot h3 { margin: 0 0 8px; font-size: 20px; }
.shot p { color: var(--n400); margin: 0; }

.models { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.model { position: relative; border-radius: 10px; overflow: hidden; border: 1px solid var(--n800); aspect-ratio: 16/9; }
.model img { width: 100%; height: 100%; object-fit: cover; display: block; }
.model span { position: absolute; left: 0; right: 0; bottom: 0; padding: 18px 10px 8px; text-align: center; font-size: 13px; font-weight: 600; background: linear-gradient(transparent, rgba(22,24,38,.95)); }

/* Pricing */
.plans { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; max-width: 720px; }
.plan { background: var(--n900); border: 1px solid var(--n800); border-radius: 12px; padding: 22px; }
.plan.featured { border-color: var(--a600); box-shadow: 0 0 0 1px rgba(145,132,217,.2), 0 0 40px rgba(145,132,217,.12); }
.plan h3 { margin: 0 0 4px; font-size: 18px; }
.plan .price { font-size: 32px; font-weight: 700; margin: 8px 0 2px; }
.plan .price small { font-size: 14px; color: var(--n500); font-weight: 400; margin-left: 6px; }
.plan ul { padding-left: 18px; color: var(--n400); font-size: 14px; margin: 14px 0 0; }
.badge { display: inline-block; font-size: 10px; letter-spacing: .08em; padding: 3px 7px; border-radius: 5px; background: var(--a800); color: var(--a200); font-weight: 700; margin-left: 8px; vertical-align: middle; }
table.costs { border-collapse: collapse; width: 100%; max-width: 640px; font-size: 14px; margin-top: 16px; }
table.costs td { padding: 8px 10px; border-bottom: 1px solid var(--n800); color: var(--n400); }
table.costs td:first-child { color: var(--n200); font-weight: 600; width: 120px; }

/* Prose pages */
.prose { max-width: 760px; padding: 32px 0 64px; }
.prose h1 { font-size: 34px; margin: 0 0 6px; }
.prose .updated { color: var(--n500); font-size: 14px; margin-bottom: 28px; }
.prose h2 { font-size: 20px; margin: 30px 0 8px; }
.prose p, .prose li { color: var(--n300); }
.prose code { background: var(--n900); border: 1px solid var(--n800); padding: 1px 6px; border-radius: 5px; font-size: 13px; }
.notice { background: var(--n900); border: 1px solid var(--n800); border-radius: 10px; padding: 14px 16px; color: var(--n300); font-size: 14px; }

footer { border-top: 1px solid var(--n800); margin-top: 40px; padding: 26px 0 40px; font-size: 13px; color: var(--n500); }
footer .row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
footer ul { list-style: none; display: flex; gap: 18px; margin: 0; padding: 0; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding-top: 28px; }
  .hero-video { min-height: 78vh; }
  .hero-content { padding: 120px 20px 56px; }
  .hero-content p.lead { font-size: 17px; }
  .tools, .plans { grid-template-columns: 1fr; }
  .models { grid-template-columns: repeat(2, 1fr); }
  .shot, .shot:nth-child(even) { grid-template-columns: 1fr; direction: ltr; }
  .nav ul { gap: 14px; }
}
@media (max-width: 640px) {
  .nav ul li:not(:last-child) { display: none; }
}