/* RESET & BASE */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0F0F12;
  --bg-alt: #16161A;
  --fg: #F5F5F0;
  --fg-muted: #9A9A9A;
  --accent: #F59E0B;
  --accent-dim: rgba(245, 158, 11, 0.12);
  --border: rgba(245, 245, 240, 0.08);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* NAV */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.75rem 5vw;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: linear-gradient(180deg, rgba(15,15,18,0.9) 0%, transparent 100%);
  backdrop-filter: blur(8px);
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.nav-tagline {
  font-size: 0.75rem;
  color: var(--fg-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 5vw 5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 60%;
  height: 140%;
  background: radial-gradient(ellipse at center, rgba(245,158,11,0.06) 0%, transparent 65%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5vw;
  align-items: center;
  max-width: 1300px;
  margin: 0 auto;
  width: 100%;
}

.hero-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(3rem, 6vw, 5.5rem);
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 2rem;
}

.hero-platforms {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'Syne', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sep { color: var(--border); }

/* VIDEO FRAME */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.video-frame {
  width: 100%;
  max-width: 420px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.04);
}

.frame-top {
  display: flex;
  gap: 6px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid var(--border);
}

.frame-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}

.frame-dot:first-child { background: #FF5F57; }
.frame-dot:nth-child(2) { background: #FFBD2E; }
.frame-dot:nth-child(3) { background: #28CA41; }

.frame-content {
  padding: 20px;
}

.frame-texture {
  height: 200px;
  border-radius: 8px;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
}

.frame-texture::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(255,255,255,0.02) 3px,
    rgba(255,255,255,0.02) 4px
  );
}

.frame-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.frame-category {
  font-family: 'Syne', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 10px;
  border-radius: 4px;
}

.frame-duration {
  font-size: 0.75rem;
  color: var(--fg-muted);
  font-variant-numeric: tabular-nums;
}

.frame-bar {
  height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 16px;
}

.frame-bar-fill {
  height: 100%;
  width: 73%;
  background: linear-gradient(90deg, var(--accent), #FBBF24);
  border-radius: 2px;
}

.frame-hooks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.hook-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.hook-icon {
  font-size: 0.75rem;
  color: var(--accent);
  width: 16px;
  text-align: center;
}

.hook-item span {
  font-size: 0.7rem;
  color: var(--fg-muted);
  font-family: 'Syne', sans-serif;
  font-weight: 600;
}

/* MANIFESTO */
.manifesto {
  padding: 7rem 5vw;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 900px;
  margin: 0 auto;
}

.manifesto-line {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--fg-muted);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.manifesto-accent {
  color: var(--fg);
  margin-bottom: 2.5rem;
}

.manifesto-body {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.8;
  max-width: 640px;
}

/* CATEGORIES */
.categories {
  padding: 7rem 5vw;
}

.categories-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-family: 'Syne', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 3rem;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
}

.category-card {
  padding: 2.5rem 2rem;
  border: 1px solid var(--border);
  background: var(--bg);
  transition: background 0.2s;
}

.category-card:hover {
  background: var(--bg-alt);
}

.cat-num {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}

.category-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.category-card p {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* PROCESS */
.process {
  padding: 7rem 5vw;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

.process-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.process-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 5rem;
}

.step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.08em;
  min-width: 28px;
  padding-top: 4px;
}

.step-content h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.step-content p {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.75;
}

.metrics {
  display: flex;
  gap: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}

.metric { display: flex; flex-direction: column; gap: 0.5rem; }

.metric-value {
  font-family: 'Syne', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
}

/* CLOSING */
.closing {
  padding: 7rem 5vw;
  text-align: center;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing-rule {
  width: 40px;
  height: 3px;
  background: var(--accent);
  margin: 0 auto 3rem;
  border-radius: 2px;
}

.closing h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.closing p {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.closing-tagline {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent) !important;
  margin-top: 1.5rem;
}

/* FOOTER */
footer {
  padding: 2rem 5vw;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--fg);
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* MOBILE */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-visual {
    order: -1;
  }
  .video-frame { max-width: 100%; }
  .category-grid {
    grid-template-columns: 1fr 1fr;
  }
  .process-steps {
    grid-template-columns: 1fr;
  }
  .metrics {
    flex-direction: column;
    gap: 2rem;
  }
  .hero-headline {
    font-size: 2.8rem;
  }
}

@media (max-width: 480px) {
  .category-grid {
    grid-template-columns: 1fr;
  }
  .metrics {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 2rem;
  }
  .metric-value { font-size: 2rem; }
}