:root {
  --bg: #0a0c10;
  --bg-surface: #111620;
  --bg-elevated: #181e2c;
  --fg: #e8ecf4;
  --fg-muted: #8892a4;
  --accent: #00d4b8;
  --accent-dim: #009e88;
  --border: #1e2535;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Nav ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 40px;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 60px;
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--fg);
  letter-spacing: -0.01em;
}

.nav-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── Shared ── */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--fg);
  margin-bottom: 48px;
  line-height: 1.2;
}

/* ── Hero ── */
.hero {
  position: relative;
  overflow: hidden;
  padding: 100px 40px 80px;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-label {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  font-weight: 500;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  line-height: 1.08;
  color: var(--fg);
  margin-bottom: 24px;
  max-width: 700px;
}

.hero-lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 64px;
}

.hero-data-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  max-width: 640px;
}

.hero-stat {
  padding: 24px 28px;
  border-right: 1px solid var(--border);
}
.hero-stat:last-child { border-right: none; }

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  display: block;
  font-size: 0.72rem;
  color: var(--fg-muted);
  letter-spacing: 0.03em;
  line-height: 1.4;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.25;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 40%, transparent 100%);
}

/* ── Process ── */
.process {
  padding: 100px 40px;
  background: var(--bg-surface);
}

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

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.step {
  padding: 40px 36px;
  border-right: 1px solid var(--border);
}
.step:last-child { border-right: none; }

.step-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  color: var(--border);
  margin-bottom: 24px;
  line-height: 1;
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--fg);
  margin-bottom: 12px;
  line-height: 1.3;
}

.step-body {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ── Features ── */
.features {
  padding: 100px 40px;
}

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

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.feature-card {
  background: var(--bg-surface);
  padding: 44px 40px;
}

.feature-icon {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 16px;
  line-height: 1;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--fg);
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ── Niches ── */
.niches {
  padding: 100px 40px;
  background: var(--bg-surface);
}

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

.niche-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.niche { }

.niche-tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  padding: 4px 10px;
  border-radius: 2px;
  margin-bottom: 12px;
}

.niche p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ── Closing ── */
.closing {
  padding: 100px 40px;
  background: var(--bg);
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.closing-statement {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--fg);
  line-height: 1.3;
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 40px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--fg-muted);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--fg-muted);
  opacity: 0.5;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero { padding: 72px 24px 60px; }
  .process { padding: 72px 24px; }
  .features { padding: 72px 24px; }
  .niches { padding: 72px 24px; }
  .closing { padding: 72px 24px; }
  .nav { padding: 0 24px; }

  .hero-data-row,
  .process-steps,
  .feature-grid,
  .niche-list {
    grid-template-columns: 1fr;
  }

  .hero-stat { border-right: none; border-bottom: 1px solid var(--border); }
  .hero-stat:last-child { border-bottom: none; }
  .step { border-right: none; border-bottom: 1px solid var(--border); }
  .step:last-child { border-bottom: none; }

  .stat-number { font-size: 1.75rem; }
}
