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

:root {
  --bg: #0d0d12;
  --bg2: #141420;
  --surface: #1a1a28;
  --border: #2a2a3d;
  --text: #e8e8f0;
  --text-muted: #7a7a96;
  --accent: #00d4ff;
  --accent-dim: #0099bb;
  --warm: #ff6b35;
  --green: #3dffa0;
}

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

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

/* NAV */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 40px;
  background: rgba(13,13,18,0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text);
  letter-spacing: -0.02em;
}
.nav-tag {
  font-size: 0.75rem;
  color: var(--accent);
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.3);
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 40px 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,212,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.eyebrow-dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2.8rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 48px;
}
.hero-phone {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}
.phone-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.phone-ring {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.phone-ring-inner {
  display: flex;
  align-items: center;
  gap: 16px;
}
.waveform {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 24px;
}
.waveform span {
  width: 3px;
  background: var(--accent);
  border-radius: 2px;
  animation: wave 1.2s ease-in-out infinite;
}
.waveform span:nth-child(1) { height: 8px; animation-delay: 0s; }
.waveform span:nth-child(2) { height: 16px; animation-delay: 0.1s; }
.waveform span:nth-child(3) { height: 24px; animation-delay: 0.2s; }
.waveform span:nth-child(4) { height: 12px; animation-delay: 0.3s; }
.waveform span:nth-child(5) { height: 20px; animation-delay: 0.4s; }
.waveform span:nth-child(6) { height: 8px; animation-delay: 0.5s; }
.waveform span:nth-child(7) { height: 16px; animation-delay: 0.6s; }
.waveform span:nth-child(8) { height: 10px; animation-delay: 0.7s; }
.waveform span:nth-child(9) { height: 20px; animation-delay: 0.8s; }
.waveform span:nth-child(10) { height: 14px; animation-delay: 0.9s; }
@keyframes wave {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(0.4); }
}
.phone-status {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
}

/* PROOF */
.proof {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 60px 40px;
}
.proof-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 40px;
}
.proof-stat { flex: 1; }
.proof-number {
  font-family: 'Syne', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}
.proof-label {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.proof-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
}

/* HOW */
.how {
  padding: 120px 40px;
  max-width: 1100px;
  margin: 0 auto;
}
.section-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 16px;
}
.section-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 64px;
}
.how-header { margin-bottom: 48px; }
.how-steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}
.step {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 40px;
}
.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.step h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: var(--text);
}
.step p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* FEATURES */
.features {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 120px 40px;
}
.features-header {
  max-width: 1100px;
  margin: 0 auto 64px;
}
.features-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.feature-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 36px 32px;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: var(--accent-dim); }
.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 20px;
  display: block;
}
.feature-card h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--text);
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* VISION */
.vision {
  padding: 120px 40px;
  text-align: center;
}
.vision-inner { max-width: 700px; margin: 0 auto; }
.vision-text {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.vision-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 40px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .hero { padding: 100px 24px 60px; }
  .proof-inner { flex-direction: column; gap: 32px; }
  .proof-divider { width: 60px; height: 1px; }
  .how-steps { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .how, .features, .vision { padding: 80px 24px; }
  .how, .vision { max-width: 100%; }
  .nav { padding: 16px 24px; }
}

@media (max-width: 480px) {
  .proof-number { font-size: 2.2rem; }
  .hero-headline { font-size: 2.2rem; }
}