:root {
  --bg: #F2F5F9;
  --panel: #FFFFFF;
  --panel-2: #E3E9F1;
  --line: #CFDAE6;
  --text: #1F2A3C;
  --muted: #5E6C81;
  --accent: #33518C;
  --accent-2: #7FA6C9;
  --yt: #FF0000;
  --radius: 12px;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 var(--font-body);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.015em; line-height: 1.15; }
a { color: inherit; text-decoration: none; }
img, svg, iframe { display: block; max-width: 100%; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 520px) { .wrap { padding: 0 16px; } }

.skip-link {
  position: absolute; left: 16px; top: -100px;
  background: var(--text); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 50;
}
.skip-link:focus { top: 12px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgb(242 245 249 / 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 32px; height: 64px; }
.logo { display: flex; align-items: center; gap: 9px; font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; }
.logo img { width: 28px; height: 28px; }
.nav { display: flex; gap: 24px; font-size: 0.92rem; color: var(--muted); margin-right: auto; }
.nav a:hover { color: var(--text); }
@media (max-width: 640px) { .nav { display: none; } .site-header .wrap { justify-content: space-between; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: 0.92rem;
  padding: 10px 18px; border-radius: 999px;
  transition: background-color 0.15s ease;
}
.btn svg { width: 16px; height: 16px; fill: currentColor; }
.btn-yt { background: var(--yt); color: #fff; }
.btn-yt:hover { background: #CC0000; }
.btn-lg { padding: 13px 24px; font-size: 1rem; }
.link-arrow { font-weight: 600; color: var(--accent); }
.link-arrow:hover { text-decoration: underline; text-underline-offset: 4px; }

/* Hero */
.hero { padding: 72px 0 80px; }
.hero .wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; gap: 40px; } .hero { padding-top: 48px; } }

.kicker { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 18px; }
.hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); max-width: 16ch; }
.hero-lead { color: var(--muted); font-size: 1.08rem; max-width: 44ch; margin: 20px 0 28px; }
.hero-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }

.stats { display: flex; gap: 32px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); }
.stat { display: flex; flex-direction: column-reverse; }
.stat dd { font-family: var(--font-display); font-weight: 700; font-size: 1.5rem; }
.stat dt { font-size: 0.82rem; color: var(--muted); }

/* Featured video */
.feature { display: block; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.feature-media { position: relative; aspect-ratio: 16 / 9; background: var(--panel-2); }
.feature-media img, .feature-media iframe, .card-media img { width: 100%; height: 100%; object-fit: cover; border: 0; }
.play {
  position: absolute; inset: 0; margin: auto;
  width: 68px; height: 48px; border-radius: 14px;
  background: rgb(0 0 0 / 0.72); display: grid; place-items: center;
  transition: background-color 0.15s ease;
}
.play svg { width: 26px; fill: #fff; }
.feature[href]:hover .play { background: var(--yt); }
.feature-body { padding: 18px 20px 20px; }
.label { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); }
.feature-body h3 { font-size: 1.15rem; margin: 6px 0 4px; }

.meta { font-size: 0.85rem; color: var(--muted); }
.thumb-fallback { width: 100%; height: 100%; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }

/* Video grid */
.section { padding: 80px 0; }
.section-alt { background: var(--panel); border-block: 1px solid var(--line); }
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2rem); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px 24px; }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }

.card h3 { font-size: 1rem; font-family: var(--font-body); font-weight: 600; letter-spacing: 0; margin: 12px 0 4px; }
.card:hover h3 { color: var(--accent); }
.card-media { position: relative; aspect-ratio: 16 / 9; border-radius: 10px; overflow: hidden; background: var(--panel-2); }
.card-media img { transition: transform 0.3s ease; }
.card:hover .card-media img { transform: scale(1.03); }
.duration {
  position: absolute; right: 8px; bottom: 8px;
  font: 500 0.75rem var(--font-mono); color: #fff;
  background: rgb(0 0 0 / 0.78); padding: 2px 6px; border-radius: 4px;
}

/* About */
.about { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; }
@media (max-width: 820px) { .about { grid-template-columns: 1fr; gap: 32px; } }
.about h2 { font-size: clamp(1.6rem, 3vw, 2rem); margin-bottom: 16px; }
.about p { color: var(--muted); margin-bottom: 14px; max-width: 58ch; }

.kit { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
.kit h3 { font-size: 0.78rem; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); padding: 16px 20px; border-bottom: 1px solid var(--line); }
.kit dl { padding: 4px 20px; }
.kit div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 0.92rem; }
.kit div:last-child { border-bottom: 0; }
.kit dt { color: var(--muted); }
.kit dd { font-weight: 500; text-align: right; }

/* Closing CTA + footer */
.closing { padding: 88px 0; text-align: center; }
.closing h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); margin-bottom: 12px; }
.closing p { color: var(--muted); margin-bottom: 28px; }

.site-footer { border-top: 1px solid var(--line); padding: 28px 0; font-size: 0.85rem; color: var(--muted); }
.site-footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.site-footer a:hover { color: var(--text); }