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

:root {
  --bg: #050508;
  --surface: #0c0c14;
  --fg: #f0f0f5;
  --fg-dim: #8888a0;
  --cyan: #00F5D4;
  --magenta: #FF2E63;
  --cyan-dim: rgba(0, 245, 212, 0.12);
  --magenta-dim: rgba(255, 46, 99, 0.12);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === TYPOGRAPHY === */
h1, h2, h3 { font-family: 'Syne', system-ui, sans-serif; font-weight: 800; line-height: 1.1; }

/* === NAV === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  background: linear-gradient(to bottom, rgba(5,5,8,0.95) 0%, transparent 100%);
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--cyan);
  letter-spacing: 0.05em;
}
.nav-tag {
  font-size: 0.75rem;
  color: var(--fg-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 40px 80px;
}
.hero-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(0,245,212,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 30% 60%, rgba(255,46,99,0.06) 0%, transparent 60%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  text-align: center;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid rgba(0,245,212,0.3);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}
.hero-headline {
  font-size: clamp(3.5rem, 10vw, 8rem);
  font-weight: 800;
  color: var(--fg);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}
.hero-highlight { color: var(--cyan); }
.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-dim);
  max-width: 480px;
  margin: 0 auto;
  font-weight: 300;
}
.hero-stripe {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--magenta), transparent);
  opacity: 0.4;
}

/* === MANIFESTO === */
.manifesto {
  padding: 100px 40px;
  background: var(--surface);
}
.manifesto-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.manifesto-text {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 28px;
  line-height: 1.4;
}
.manifesto-text.accent { color: var(--cyan); }

/* === PRODUCTS === */
.products {
  padding: 100px 40px;
}
.products-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-label {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--magenta);
  margin-bottom: 16px;
}
.products-title {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--fg);
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}
.product-card {
  position: relative;
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 36px 28px;
  overflow: hidden;
  transition: border-color 0.3s;
}
.product-card:hover { border-color: rgba(255,255,255,0.15); }
.product-glow {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 60px;
  border-radius: 50%;
  filter: blur(30px);
  pointer-events: none;
}
.product-glow.cyan { background: rgba(0,245,212,0.15); }
.product-glow.magenta { background: rgba(255,46,99,0.15); }
.product-icon {
  display: block;
  margin-bottom: 20px;
  opacity: 0.9;
}
.product-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
}
.product-desc {
  font-size: 0.88rem;
  color: var(--fg-dim);
  line-height: 1.5;
}

/* === PROOF === */
.proof {
  padding: 100px 40px;
  background: var(--surface);
  text-align: center;
}
.proof-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--fg);
  margin: 24px 0 60px;
  line-height: 1.3;
}
.proof-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  max-width: 700px;
  margin: 0 auto 40px;
  flex-wrap: wrap;
}
.proof-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.proof-stat {
  font-family: 'Syne', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--cyan);
}
.proof-label {
  font-size: 0.78rem;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
}
.proof-divider {
  width: 1px;
  height: 50px;
  background: rgba(255,255,255,0.1);
}
.proof-sub {
  font-size: 0.9rem;
  color: var(--fg-dim);
  max-width: 400px;
  margin: 0 auto;
}

/* === CLOSING === */
.closing {
  padding: 140px 40px;
  text-align: center;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.closing::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 50% at 50% 50%, rgba(0,245,212,0.04) 0%, transparent 70%);
}
.closing-inner { position: relative; z-index: 1; }
.closing-line {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--fg);
  margin-bottom: 8px;
  line-height: 1.2;
}
.closing-line.accent { color: var(--cyan); }

/* === FOOTER === */
.footer {
  padding: 40px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-brand { display: flex; flex-direction: column; gap: 4px; }
.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  color: var(--cyan);
  font-size: 1rem;
}
.footer-tag {
  font-size: 0.7rem;
  color: var(--fg-dim);
  letter-spacing: 0.08em;
}
.footer-copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.2);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .nav { padding: 16px 20px; }
  .hero { padding: 100px 20px 60px; }
  .manifesto, .products, .proof, .closing { padding: 70px 20px; }
  .proof-grid { gap: 24px; }
  .proof-divider { display: none; }
  .footer { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
}