:root {
  color-scheme: light;
  --bg: #ffffff;
  --bg-2: #f6f6f4;
  --ink: #0f1115;
  --ink-2: #4b5160;
  --mute: #8a8f9b;
  --line: #e7e7e3;
  --accent: #1f4fd8;
  --dark: #0e1320;
  --font: "Inter", 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: 400 17px/1.6 var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

.nav { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.9); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 700; font-size: 19px; letter-spacing: -.01em; text-decoration: none; }
.nav nav { display: flex; align-items: center; gap: 28px; font-size: 15px; }
.nav nav a { text-decoration: none; color: var(--ink-2); }
.nav nav a:hover { color: var(--ink); }

.btn { display: inline-block; background: var(--ink); color: #fff !important; text-decoration: none; font-weight: 500;
  padding: 13px 22px; border-radius: 10px; font-size: 16px; transition: background .15s; }
.btn:hover { background: #2a2f3a; }
.btn.sm { padding: 8px 14px; font-size: 14px; border-radius: 8px; }
.btn.lg { padding: 16px 28px; font-size: 18px; }
.btn.ghost { background: transparent; color: var(--ink) !important; border: 1px solid var(--line); }
.btn.ghost:hover { background: var(--bg-2); }

.hero { padding-top: 88px; text-align: center; }
.eyebrow { color: var(--accent); font-weight: 600; font-size: 14px; letter-spacing: .02em; margin: 0 0 18px; }
h1 { font-size: clamp(42px, 7vw, 76px); line-height: 1.02; letter-spacing: -.035em; font-weight: 700; margin: 0 0 22px; }
.sub { max-width: 640px; margin: 0 auto 32px; font-size: 20px; color: var(--ink-2); }
.actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 56px; }
.frame { border-radius: 16px; overflow: hidden; background: var(--dark); border: 1px solid #1d2333;
  box-shadow: 0 30px 80px -30px rgba(15,17,21,.45); aspect-ratio: 16 / 9; }
.frame video { width: 100%; height: 100%; display: block; object-fit: cover; }

.section { padding-top: 120px; }
h2 { font-size: clamp(30px, 4.2vw, 44px); line-height: 1.1; letter-spacing: -.025em; font-weight: 700; margin: 0 0 16px; max-width: 760px; }
.lead { font-size: 19px; color: var(--ink-2); max-width: 680px; margin: 0 0 40px; }
h3 { font-size: 19px; font-weight: 600; margin: 0 0 6px; letter-spacing: -.01em; }

.tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tiles figure { margin: 0; }
.tiles video { width: 100%; display: block; border-radius: 12px; background: var(--dark); aspect-ratio: 16 / 9; object-fit: cover; }
.tiles figcaption { font-size: 15px; color: var(--ink-2); margin-top: 10px; }
.subjects { margin: 36px 0 0; color: var(--mute); font-size: 15px; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; padding-top: 96px; }
.features > div { border-top: 1px solid var(--line); padding-top: 22px; }
.features p { color: var(--ink-2); margin: 0; font-size: 16px; }

.steps { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.steps li { background: var(--bg-2); border-radius: 14px; padding: 28px; }
.steps span { display: block; color: var(--accent); font-weight: 600; font-size: 14px; margin-bottom: 18px; }
.steps p { color: var(--ink-2); margin: 0; font-size: 16px; }

.faq details { border-bottom: 1px solid var(--line); padding: 20px 0; max-width: 820px; }
.faq details:first-of-type { margin-top: 28px; border-top: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 600; font-size: 18px; list-style: none; position: relative; padding-right: 30px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: -2px; font-weight: 400; font-size: 24px; color: var(--mute); }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--ink-2); margin: 12px 0 0; }

.contact { text-align: center; padding-bottom: 120px; }
.contact h2, .contact .lead { margin-left: auto; margin-right: auto; }

.foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-top: 1px solid var(--line);
  padding-top: 24px; padding-bottom: 40px; font-size: 14px; color: var(--mute); }

@media (max-width: 760px) {
  .nav nav a:not(.btn) { display: none; }
  .hero { padding-top: 56px; }
  .sub { font-size: 18px; }
  .tiles, .features, .steps { grid-template-columns: 1fr; }
  .section { padding-top: 88px; }
}

/* 13 Nov night: logo mark, before/after, 8 tiles, what you receive, copy button */
.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo img { display: block; border-radius: 7px; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.pair figure { margin: 0; }
.pair img, .pair video { width: 100%; display: block; border-radius: 12px; aspect-ratio: 16 / 9; object-fit: cover; }
.pair img { border: 1px solid var(--line); background: #fff; }
.pair video { background: var(--dark); }
.pair figcaption { font-size: 15px; color: var(--ink-2); margin-top: 10px; }
.pair figcaption b { color: var(--ink); font-weight: 600; }
.tiles { grid-template-columns: repeat(2, 1fr); gap: 20px; }
.receive ul { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px 40px; max-width: 900px; }
.receive li { padding-left: 26px; position: relative; color: var(--ink-2); }
.receive li::before { content: ""; position: absolute; left: 0; top: 9px; width: 10px; height: 10px; border-radius: 3px; background: var(--accent); }
.receive b { color: var(--ink); font-weight: 600; }
.mail { display: inline-flex; gap: 12px; align-items: center; flex-wrap: wrap; justify-content: center; }
.addr { font-weight: 600; font-size: 18px; user-select: all; padding: 0 6px; }
.copy { padding: 10px 16px; font-size: 15px; cursor: pointer; font-family: inherit; }
@media (max-width: 760px) {
  .pair, .receive ul { grid-template-columns: 1fr; }
  .tiles { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
.svc { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 36px; }
.svc > div { background: var(--bg-2); border-radius: 14px; padding: 28px; }
.svc span { display: block; color: var(--accent); font-weight: 600; font-size: 14px; margin-bottom: 18px; }
.svc p { color: var(--ink-2); margin: 0; font-size: 16px; }
.svc em { color: var(--accent); font-style: normal; font-weight: 500; }
@media (max-width: 760px) { .svc { grid-template-columns: 1fr; } }