:root {
  --bg: #0d1014;
  --panel: #121720;
  --panel-2: #171e29;
  --text: #edf2f7;
  --muted: #a7b1bf;
  --line: rgba(255,255,255,0.08);
  --accent: #d9b48f;
  --accent-2: #9f5f3d;
  --shadow: 0 30px 80px rgba(0,0,0,0.35);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background:
    radial-gradient(circle at top left, rgba(159,95,61,0.22), transparent 30%),
    radial-gradient(circle at top right, rgba(217,180,143,0.08), transparent 20%),
    var(--bg);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }

.site-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding-bottom: 60px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  position: sticky;
  top: 0;
  backdrop-filter: blur(18px);
  background: rgba(13,16,20,0.72);
  z-index: 10;
}

.topbar nav {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid;
  place-items: center;
  color: #111;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-name {
  font-size: 15px;
  font-weight: 600;
  color: #f5f7fa;
}

.section {
  padding: 56px 0;
}

.hero {
  min-height: 78vh;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 36px;
}

.eyebrow, .card-label {
  margin: 0 0 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
  font-weight: 700;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  font-size: clamp(46px, 8vw, 82px);
  line-height: 0.95;
  letter-spacing: -0.06em;
  margin-bottom: 20px;
}

h2 {
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.02;
  letter-spacing: -0.05em;
  margin-bottom: 16px;
}

h3 {
  font-size: 20px;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 10px;
}

.lead, .intro-text p, .card p, .stack-item p, .enterprise-panel p, .closing-box p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin: 26px 0 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 14px 20px;
  font-weight: 600;
  font-size: 15px;
  transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
}

.button:hover { transform: translateY(-1px); }
.button.primary {
  background: linear-gradient(135deg, var(--accent), #f0d5be);
  color: #111;
}
.button.ghost {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255,255,255,0.02);
}

.hero-points {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.hero-points span, .principle span {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  color: #dfe7ef;
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 14px;
}

.visual-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02));
  border: 1px solid var(--line);
  border-radius: 30px;
  padding: 26px;
  box-shadow: var(--shadow);
}

.visual-card img {
  width: 100%;
  display: block;
  border-radius: 22px;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.intro-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  align-items: stretch;
}

.intro-card, .card, .enterprise-panel, .closing-box {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.section-header {
  max-width: 860px;
  margin-bottom: 24px;
}
.section-header.narrow { max-width: 760px; }

.cards {
  display: grid;
  gap: 18px;
}

.four-up { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.three-up { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.stack {
  display: grid;
  gap: 14px;
}

.stack-item {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
}

.stack-index {
  width: 62px;
  height: 62px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(217,180,143,0.18), rgba(159,95,61,0.28));
  color: var(--accent);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.principles {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.enterprise-panel,
.closing-box {
  display: grid;
  gap: 14px;
}

.closing-box {
  text-align: center;
  justify-items: center;
  padding: 40px 28px;
}

@media (max-width: 1024px) {
  .hero,
  .intro-grid,
  .four-up,
  .three-up {
    grid-template-columns: 1fr 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 30px;
  }
}

@media (max-width: 720px) {
  .site-shell {
    width: min(100% - 24px, 1180px);
  }

  .topbar {
    padding: 18px 0;
  }

  .topbar nav { display: none; }

  .hero,
  .intro-grid,
  .four-up,
  .three-up,
  .stack-item {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 42px 0;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  h1 {
    font-size: 48px;
    line-height: 0.98;
  }

  .stack-item {
    gap: 14px;
  }
}