/* ========================
   VARIABLES & RESET
   ======================== */
:root {
  --bg: #0D0D12;
  --bg-2: #111118;
  --bg-3: #16161F;
  --fg: #F0EFE9;
  --fg-2: #9998A0;
  --fg-3: #5C5B68;
  --accent: #00E5CC;
  --accent-2: #00B8A8;
  --accent-glow: rgba(0, 229, 204, 0.12);
  --border: rgba(240, 239, 233, 0.08);
  --border-2: rgba(240, 239, 233, 0.04);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --container: 960px;
  --radius: 2px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ========================
   NAVIGATION
   ======================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(13, 13, 18, 0.85);
  backdrop-filter: blur(12px);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-mark {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 18px;
  font-weight: 500;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: 0.02em;
}

.nav-tagline {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--fg-3);
  font-weight: 400;
}

/* ========================
   HERO
   ======================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 40px 100px;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
}

.hero-inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
}

.hero-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-label::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--accent);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 40px;
}

.hero-accent {
  color: var(--accent);
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-2);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 16px;
  font-weight: 300;
}

.hero-sub-strong {
  color: var(--fg);
  font-size: 20px;
  font-weight: 500;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  max-width: 480px;
}

/* ========================
   SHARED SECTION STYLES
   ======================== */
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
}

/* ========================
   FEATURES
   ======================== */
.features {
  padding: 120px 40px;
  border-top: 1px solid var(--border);
}

.features-header {
  max-width: var(--container);
  margin: 0 auto 72px;
}

.features-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2px;
  background: var(--border);
}

.feature-card {
  background: var(--bg);
  padding: 48px 40px;
  transition: background 0.2s ease;
}

.feature-card:hover {
  background: var(--bg-2);
}

.feature-icon {
  font-size: 24px;
  color: var(--accent);
  margin-bottom: 24px;
  font-family: var(--font-mono);
}

.feature-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.feature-body {
  font-size: 15px;
  color: var(--fg-2);
  line-height: 1.7;
  font-weight: 300;
}

/* ========================
   MANIFESTO
   ======================== */
.manifesto {
  padding: 120px 40px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.manifesto-inner {
  max-width: var(--container);
  margin: 0 auto;
}

.manifesto-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 40px;
}

.manifesto-text {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 48px;
  max-width: 800px;
}

.manifesto-sub {
  max-width: 560px;
}

.manifesto-sub p {
  font-size: 17px;
  color: var(--fg-2);
  line-height: 1.7;
  font-weight: 300;
  margin-bottom: 20px;
}

.manifesto-sub p:last-child {
  color: var(--fg-3);
  font-size: 15px;
}

/* ========================
   PROOF / STATS
   ======================== */
.proof {
  padding: 120px 40px;
}

.proof-header {
  max-width: var(--container);
  margin: 0 auto 72px;
}

.proof-stats {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--border);
}

.stat {
  padding: 48px 40px;
  border-right: 1px solid var(--border);
}

.stat:last-child {
  border-right: none;
}

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  line-height: 1;
}

.stat-label {
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.6;
  font-weight: 300;
}

/* ========================
   CLOSING
   ======================== */
.closing {
  padding: 120px 40px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.closing-inner {
  max-width: var(--container);
  margin: 0 auto;
}

.closing-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 32px;
}

.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 28px;
}

.closing-body {
  font-size: 17px;
  color: var(--fg-2);
  line-height: 1.7;
  max-width: 480px;
  font-weight: 300;
  margin-bottom: 48px;
}

.closing-vision {
  padding-top: 40px;
  border-top: 1px solid var(--border);
  max-width: 560px;
}

.closing-vision p {
  font-size: 15px;
  color: var(--fg-3);
  line-height: 1.7;
  font-weight: 300;
}

/* ========================
   FOOTER
   ======================== */
.footer {
  padding: 40px 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-tagline {
  font-size: 13px;
  color: var(--fg-3);
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-3);
}

/* ========================
   RESPONSIVE
   ======================== */
@media (max-width: 768px) {
  .nav-tagline {
    display: none;
  }

  .hero {
    padding: 100px 24px 80px;
  }

  .features {
    padding: 80px 24px;
  }

  .manifesto {
    padding: 80px 24px;
  }

  .proof {
    padding: 80px 24px;
  }

  .closing {
    padding: 80px 24px;
  }

  .footer {
    padding: 32px 24px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 1px;
    background: var(--border);
  }

  .proof-stats {
    grid-template-columns: 1fr;
  }

  .stat {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 32px 0;
  }

  .stat:last-child {
    border-bottom: none;
  }

  .nav-inner {
    padding: 0 24px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .hero-headline {
    font-size: 42px;
  }

  .hero-sub {
    font-size: 16px;
  }

  .manifesto-text {
    font-size: 28px;
  }
}