:root {
  --bg: #0a0a0a;
  --bg-elevated: #141414;
  --bg-card: #1a1a1a;
  --fg: #f0f0f0;
  --fg-muted: #8a8a8a;
  --fg-subtle: #5a5a5a;
  --accent: #00d26a;
  --accent-dim: #00a854;
  --accent-glow: rgba(0, 210, 106, 0.15);
  --warm: #ff6b35;
  --warm-dim: #cc5529;
  --radius: 12px;
  --radius-sm: 8px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  padding: 6rem 5vw 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--fg-subtle);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
  margin-bottom: 2rem;
  text-transform: uppercase;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero h1 .accent {
  color: var(--accent);
}

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
}

/* Phone mockup */
.hero-visual {
  display: flex;
  justify-content: center;
}

.phone-mockup {
  width: 320px;
  background: var(--bg-elevated);
  border-radius: 28px;
  border: 2px solid #2a2a2a;
  padding: 20px 16px;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.05);
}

.phone-screen {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.notif {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  border-radius: var(--radius-sm);
  animation: slideIn 0.6s ease-out both;
}

.notif:nth-child(1) { animation-delay: 0.2s; }
.notif:nth-child(2) { animation-delay: 0.8s; }
.notif:nth-child(3) { animation-delay: 1.4s; }

@keyframes slideIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.notif-missed {
  background: rgba(255, 107, 53, 0.1);
  border: 1px solid rgba(255, 107, 53, 0.2);
}

.notif-sent {
  background: rgba(0, 210, 106, 0.08);
  border: 1px solid rgba(0, 210, 106, 0.2);
}

.notif-booked {
  background: rgba(0, 210, 106, 0.15);
  border: 1px solid rgba(0, 210, 106, 0.3);
}

.notif-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 2px;
}

.notif-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.notif-text strong {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
}

.notif-text span {
  font-size: 0.8rem;
  color: var(--fg-muted);
  line-height: 1.4;
}

/* ===== PROBLEM ===== */
.problem {
  padding: 8rem 5vw;
  background: var(--bg-elevated);
}

.problem-inner {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
  align-items: start;
  max-width: 1100px;
  margin: 0 auto;
}

.big-number {
  font-family: var(--font-display);
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 700;
  color: var(--warm);
  line-height: 1;
  display: block;
}

.stat-label {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

.problem-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.problem-content p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  margin-bottom: 1rem;
  max-width: 560px;
}

.problem-content .highlight {
  color: var(--accent);
  font-weight: 600;
  font-size: 1.1rem;
}

/* ===== HOW IT WORKS ===== */
.how {
  padding: 8rem 5vw;
  max-width: 900px;
  margin: 0 auto;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 4rem;
  text-align: center;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid #222;
}

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

.step-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--fg-subtle);
  line-height: 1;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step-content p {
  color: var(--fg-muted);
  font-size: 1rem;
  max-width: 480px;
}

/* ===== FEATURES ===== */
.features {
  padding: 8rem 5vw;
  background: var(--bg-elevated);
}

.features-header {
  max-width: 700px;
  margin: 0 auto 4rem;
  text-align: center;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.features-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid #222;
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: var(--accent-dim);
}

.feature-card-large {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 210, 106, 0.05) 100%);
  border-color: rgba(0, 210, 106, 0.15);
}

.feature-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===== CLOSING ===== */
.closing {
  padding: 10rem 5vw;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.closing-inner {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 3rem 5vw;
  border-top: 1px solid #1a1a1a;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-bottom: 0.5rem;
}

.footer-location {
  font-size: 0.8rem;
  color: var(--fg-subtle);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 4rem 6vw 3rem;
    gap: 3rem;
  }

  .hero-visual {
    order: -1;
  }

  .phone-mockup {
    width: 280px;
  }

  .problem-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .big-number {
    font-size: 4rem;
  }

  .step {
    grid-template-columns: 60px 1fr;
    gap: 1rem;
  }

  .step-number {
    font-size: 2rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .feature-card-large {
    grid-column: span 1;
  }

  .closing {
    padding: 6rem 6vw;
  }
}