:root {
  --bg: #0b1418;
  --bg-alt: #0f1c22;
  --card: #13242b;
  --line: #20363f;
  --text: #e8eef0;
  --muted: #9db0b6;
  --amber: #f4b860;
  --amber-2: #ffd79a;
  --teal: #4fb3b0;
  --danger: #ff8a7a;
  --radius: 14px;
  --wrap: 1120px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--amber-2); }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; font-family: Georgia, "Times New Roman", serif; font-weight: 600; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }

.skip { position: absolute; left: -999px; top: 8px; background: var(--amber); color: #111; padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); border-block: 1px solid var(--line); }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; color: var(--amber); font-weight: 600; margin-bottom: .6em; }
.lead { font-size: 1.12rem; color: var(--text); }
.narrow { max-width: 620px; }
.small { font-size: .82rem; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: .85em 1.4em; border-radius: 999px; font-weight: 600; text-decoration: none;
  border: 1px solid transparent; cursor: pointer; font-size: 1rem; font-family: inherit;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn svg { width: 1.1em; height: 1.1em; fill: currentColor; }
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible {
  outline: 3px solid var(--amber-2); outline-offset: 3px;
}
.btn-primary { background: linear-gradient(180deg, var(--amber-2), var(--amber)); color: #2a1a05; box-shadow: 0 6px 24px -8px rgba(244,184,96,.7); }
.btn-ghost { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.22); color: var(--text); }
.btn-ghost:hover { background: rgba(255,255,255,.1); }
.btn-small { padding: .5em 1em; font-size: .9rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: progress; transform: none; }

/* Nav */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: 64px;
  display: flex; align-items: center; justify-content: space-between; padding: 0 20px;
  background: rgba(11,20,24,.72); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-family: Georgia, serif; font-size: 1.2rem; font-weight: 600; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a:not(.btn) { color: var(--muted); text-decoration: none; font-weight: 500; }
.nav-links a:not(.btn):hover { color: var(--text); }
.nav-links .btn-small { color: #2a1a05; background: var(--amber); }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; border-radius: 2px; transition: transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg-alt); border-bottom: 1px solid var(--line); padding: 8px 20px 20px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav-links .btn-small { margin-top: 16px; }
}

/* Hero */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: flex-end; overflow: hidden; }
.hero-art { position: absolute; inset: 0; }
.hero-art img { width: 100%; height: 100%; object-fit: cover; object-position: center 40%; }
.hero-art::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,20,24,.15) 0%, rgba(11,20,24,.35) 45%, var(--bg) 100%); }
.hero-inner { position: relative; max-width: var(--wrap); width: 100%; margin: 0 auto; padding: 120px 20px 72px; }
.hero h1 { font-size: clamp(3rem, 10vw, 6.5rem); letter-spacing: -.01em; margin-bottom: .15em; text-shadow: 0 4px 40px rgba(0,0,0,.5); }
.tagline { font-size: clamp(1.1rem, 2.2vw, 1.4rem); color: #d7e3e6; max-width: 560px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 40px; }
.meta { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 12px 36px; }
.meta li { font-weight: 500; }
.meta span { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); font-weight: 600; }

/* About */
.about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.trailer { margin: 0; }
.trailer img, .gallery img { border-radius: var(--radius); border: 1px solid var(--line); width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: var(--card); }
.trailer figcaption { color: var(--muted); font-size: .85rem; margin-top: 10px; }
.features { list-style: none; padding: 0; margin: 64px 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.features li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.features p { color: var(--muted); margin: 0; font-size: .95rem; }
.icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: rgba(244,184,96,.12); color: var(--amber); font-size: 1.3rem; margin-bottom: 14px; }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.demo-box {
  margin-top: 56px; display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 32px; border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(120deg, rgba(244,184,96,.16), rgba(79,179,176,.12)); border: 1px solid rgba(244,184,96,.3);
}
.demo-box h3 { font-size: 1.5rem; }
.demo-box p { margin: 0; color: #d7e3e6; }

@media (max-width: 960px) {
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .features { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .section { padding: 72px 0; }
  .features { grid-template-columns: 1fr; margin: 40px 0; }
  .gallery { grid-template-columns: 1fr; }
  .demo-box { flex-direction: column; align-items: flex-start; padding: 24px; }
  .demo-box .btn { width: 100%; }
  .cta .btn { flex: 1 1 100%; }
  .hero-art img { object-position: 72% 40%; }
}

/* Team */
.team { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; }
.member { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; text-align: center; }
.avatar {
  width: 88px; height: 88px; margin: 0 auto 16px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 700; font-size: 1.5rem; letter-spacing: .04em; color: #fff;
  background: radial-gradient(circle at 30% 25%, hsl(var(--hue) 70% 66%), hsl(var(--hue) 55% 32%));
  box-shadow: 0 0 0 4px var(--bg-alt), 0 0 0 5px hsl(var(--hue) 50% 45% / .6);
}
.member h3 { margin-bottom: .2em; }
.role { color: var(--amber); font-weight: 600; font-size: .9rem; margin-bottom: .8em; }
.member p:last-child { color: var(--muted); font-size: .93rem; margin: 0; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-list { list-style: none; padding: 0; margin: 32px 0 0; }
.contact-list li { display: flex; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.contact-list span { width: 90px; color: var(--muted); font-size: .9rem; }
.contact-list a { text-decoration: none; word-break: break-word; }
.contact-list a:hover { text-decoration: underline; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: calc(var(--radius) + 4px); padding: 28px; }
.form h3 { font-size: 1.4rem; margin-bottom: 1em; }
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line);
  background: #0c181d; color: var(--text); font: inherit; resize: vertical;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--amber); outline: none; box-shadow: 0 0 0 3px rgba(244,184,96,.25); }
.field.invalid input, .field.invalid textarea { border-color: var(--danger); }
.err { display: none; color: var(--danger); font-size: .85rem; margin: 6px 0 0; }
.field.invalid .err { display: block; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-status { margin: 14px 0 0; min-height: 1.4em; font-size: .95rem; }
.form-status.ok { color: #8fe0b0; }
.form-status.bad { color: var(--danger); }

@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; gap: 40px; } }
@media (max-width: 600px) { .card { padding: 20px; } }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 40px 0; color: var(--muted); font-size: .9rem; }
.footer-inner { display: grid; gap: 6px; }
.footer p { margin: 0; }
.footer a { color: var(--muted); }