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

:root {
  --bg: #0B0F14;
  --bg-alt: #111620;
  --fg: #F2EDE8;
  --fg-muted: #8A8F99;
  --accent: #7DD3C0;
  --accent-dim: rgba(125, 211, 192, 0.15);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 80px 80px 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(125, 211, 192, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--fg-muted);
  max-width: 440px;
  font-weight: 300;
}

.hero-ripple {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-ripple svg {
  width: 100%;
  max-width: 480px;
  animation: ripple-rotate 40s linear infinite;
}

@keyframes ripple-rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* === THE MODEL === */
.model {
  background: var(--bg-alt);
  padding: 100px 80px;
}

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

.model-label {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.model-headline {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--fg);
  margin-bottom: 24px;
}

.model-body {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 560px;
  font-weight: 300;
  margin-bottom: 72px;
}

.model-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.pillar {
  padding: 32px;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 2px;
  background: rgba(255,255,255,0.02);
  transition: border-color 0.3s ease;
}

.pillar:hover {
  border-color: rgba(125, 211, 192, 0.3);
}

.pillar-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: 50%;
  margin-bottom: 20px;
}

.pillar h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 12px;
}

.pillar p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--fg-muted);
  font-weight: 300;
}

/* === PROOF === */
.proof {
  padding: 80px;
  border-top: 1px solid rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.proof-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 0;
}

.proof-stat {
  text-align: center;
  padding: 0 40px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--fg-muted);
  line-height: 1.5;
  font-weight: 300;
  max-width: 180px;
  margin: 0 auto;
}

.proof-divider {
  width: 1px;
  height: 60px;
  background: rgba(255,255,255,0.08);
}

/* === CLOSING === */
.closing {
  padding: 100px 80px;
  text-align: center;
}

.closing-inner {
  max-width: 680px;
  margin: 0 auto;
}

.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--fg);
  margin-bottom: 24px;
}

.closing-body {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--fg-muted);
  font-weight: 300;
}

/* === FOOTER === */
.footer {
  padding: 48px 80px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.footer-brand p {
  font-size: 0.82rem;
  color: var(--fg-muted);
  font-weight: 300;
  max-width: 300px;
}

.footer-bottom {
  font-size: 0.78rem;
  color: var(--fg-muted);
  font-style: italic;
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 60px 32px 40px;
    text-align: center;
  }

  .hero-inner { order: 1; }
  .hero-ripple { order: 0; margin-bottom: 40px; }
  .hero-ripple svg { max-width: 280px; }

  .hero-sub { margin: 0 auto 0; }

  .model { padding: 64px 32px; }
  .model-pillars { grid-template-columns: 1fr; gap: 24px; }

  .proof { padding: 60px 32px; }
  .proof-inner { grid-template-columns: 1fr; gap: 40px; }
  .proof-divider { display: none; }

  .closing { padding: 64px 32px; }

  .footer { padding: 40px 32px; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
  .footer-brand p { margin: 0 auto; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 3rem; }
  .model-headline { font-size: 2rem; }
}