/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0f0f0f;
  --surface: #1a1a1a;
  --surface2: #222222;
  --border: #2e2e2e;
  --amber: #f59e0b;
  --amber-dim: rgba(245,158,11,0.12);
  --amber-border: rgba(245,158,11,0.3);
  --text: #f5f5f5;
  --text-muted: #888888;
  --text-dim: #555555;
}
html { font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }

/* === Typography === */
.section-headline {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
}
.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1rem;
}

/* === Navbar === */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 2rem;
  height: 56px;
  display: flex;
  align-items: center;
  background: rgba(15,15,15,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.navbar-inner { max-width: 1200px; width: 100%; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { font-size: 1.1rem; font-weight: 800; letter-spacing: -0.02em; color: var(--text); }
.nav-tagline { font-size: 0.8rem; color: var(--text-muted); font-family: 'DM Mono', monospace; }

/* === Hero === */
.hero {
  padding: 7rem 2rem 5rem;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.hero-label {
  display: inline-block;
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--amber-dim);
  border: 1px solid var(--amber-border);
  color: var(--amber);
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  margin-bottom: 1.5rem;
}
.hero-headline {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--text);
}
.hero-lede { font-size: 1.05rem; color: var(--text-muted); max-width: 420px; margin-bottom: 2.5rem; line-height: 1.7; }
.hero-proof { display: flex; align-items: center; gap: 1rem; }
.proof-stat { font-size: 2.5rem; font-weight: 800; color: var(--amber); letter-spacing: -0.03em; }
.proof-text { font-size: 0.85rem; color: var(--text-muted); max-width: 180px; line-height: 1.5; }

/* Phone Mock */
.phone-mock { display: flex; justify-content: center; }
.phone-frame {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  width: 280px;
  overflow: hidden;
  box-shadow: 0 0 60px rgba(245,158,11,0.08), 0 24px 48px rgba(0,0,0,0.6);
}
.phone-header {
  background: var(--surface2);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.phone-label { font-size: 0.7rem; font-family: 'DM Mono', monospace; color: var(--amber); }
.phone-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--border); }
.phone-body { padding: 1.25rem; display: flex; flex-direction: column; gap: 0.75rem; }
.call-incoming {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: 10px;
  padding: 0.75rem;
}
.call-icon {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--amber);
  display: flex; align-items: center; justify-content: center;
  color: #000;
  flex-shrink: 0;
}
.call-name { font-size: 0.65rem; color: var(--amber); font-family: 'DM Mono', monospace; }
.call-number { font-size: 0.85rem; font-weight: 700; }
.call-caller { font-size: 0.7rem; color: var(--text-muted); }
.ai-waveform {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 20px;
  padding: 0 0.5rem;
}
.ai-waveform .bar {
  width: 3px; border-radius: 2px;
  background: var(--amber);
  animation: wave 0.8s ease-in-out infinite alternate;
}
.ai-waveform .bar:nth-child(2) { animation-delay: 0.1s; }
.ai-waveform .bar:nth-child(3) { animation-delay: 0.2s; }
.ai-waveform .bar:nth-child(4) { animation-delay: 0.3s; }
.ai-waveform .bar:nth-child(5) { animation-delay: 0.4s; }
.ai-waveform .bar:nth-child(6) { animation-delay: 0.5s; }
.ai-waveform .bar:nth-child(7) { animation-delay: 0.6s; }
.ai-waveform .bar:nth-child(8) { animation-delay: 0.1s; }
.ai-waveform .bar:nth-child(9) { animation-delay: 0.2s; }
.ai-waveform .bar:nth-child(10) { animation-delay: 0.3s; }
.ai-waveform .bar:nth-child(11) { animation-delay: 0.4s; }
.ai-waveform .bar:nth-child(12) { animation-delay: 0.5s; }
@keyframes wave {
  from { height: 4px; opacity: 0.5; }
  to { height: 16px; opacity: 1; }
}
.ai-bubble {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px 10px 10px 2px;
  padding: 0.65rem 0.85rem;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--text-muted);
}
.booked-badge {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(34,197,94,0.12);
  border: 1px solid rgba(34,197,94,0.25);
  color: #4ade80;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  width: fit-content;
}
.booked-icon { display: flex; align-items: center; }

/* === Problem === */
.problem { padding: 5rem 2rem; border-top: 1px solid var(--border); }
.problem-inner { max-width: 1200px; margin: 0 auto; }
.problem-inner .section-headline { max-width: 480px; margin-bottom: 3rem; }
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.problem-card { background: var(--surface); padding: 2.5rem 2rem; }
.problem-number { font-size: 3.5rem; font-weight: 800; color: var(--amber); letter-spacing: -0.04em; margin-bottom: 0.5rem; }
.problem-desc { font-size: 0.95rem; color: var(--text-muted); line-height: 1.6; }

/* === Solutions === */
.solutions { padding: 5rem 2rem; background: var(--surface); border-top: 1px solid var(--border); }
.solutions-inner { max-width: 1200px; margin: 0 auto; }
.solutions-header { margin-bottom: 3rem; }
.solutions-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.solution-card { background: var(--bg); padding: 2.5rem; }
.solution-card.accent { background: var(--surface2); }
.solution-icon { color: var(--amber); margin-bottom: 1.25rem; }
.solution-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.75rem; }
.solution-desc { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 1.5rem; line-height: 1.65; }
.solution-features { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.solution-features li { font-size: 0.85rem; color: var(--text-muted); padding-left: 1.25rem; position: relative; }
.solution-features li::before { content: ''; position: absolute; left: 0; top: 0.55em; width: 6px; height: 6px; border-radius: 50%; background: var(--amber); }

/* === How === */
.how { padding: 5rem 2rem; border-top: 1px solid var(--border); }
.how-inner { max-width: 1200px; margin: 0 auto; }
.how-inner .section-label { margin-bottom: 0.75rem; }
.how-inner .section-headline { margin-bottom: 3.5rem; max-width: 500px; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--border); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.step { background: var(--surface); padding: 2.5rem 2rem; }
.step-num { font-size: 2.5rem; font-weight: 800; color: var(--amber); letter-spacing: -0.04em; margin-bottom: 1.25rem; font-family: 'DM Mono', monospace; }
.step-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.75rem; }
.step-body p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }

/* === Pricing === */
.pricing { padding: 5rem 2rem; background: var(--surface); border-top: 1px solid var(--border); }
.pricing-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.pricing-inner .section-label { display: block; }
.pricing-inner .section-headline { margin-bottom: 3rem; }
.pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; max-width: 700px; margin: 0 auto 1.5rem; text-align: left; }
.pricing-card { background: var(--bg); padding: 2.5rem; position: relative; }
.pricing-card.featured { background: var(--surface2); }
.pricing-badge { display: inline-block; font-family: 'DM Mono', monospace; font-size: 0.65rem; letter-spacing: 0.08em; text-transform: uppercase; background: var(--amber-dim); border: 1px solid var(--amber-border); color: var(--amber); padding: 0.2rem 0.6rem; border-radius: 4px; margin-bottom: 1rem; }
.pricing-tier { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 0.75rem; font-family: 'DM Mono', monospace; }
.pricing-price { font-size: 2.75rem; font-weight: 800; letter-spacing: -0.04em; margin-bottom: 1.5rem; }
.pricing-unit { font-size: 1rem; font-weight: 400; color: var(--text-muted); }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.pricing-features li { font-size: 0.85rem; color: var(--text-muted); padding-left: 1.25rem; position: relative; }
.pricing-features li::before { content: ''; position: absolute; left: 0; top: 0.55em; width: 6px; height: 6px; border-radius: 50%; background: var(--amber); }
.pricing-note { font-size: 0.8rem; color: var(--text-dim); font-family: 'DM Mono', monospace; }

/* === Closing === */
.closing { padding: 6rem 2rem; border-top: 1px solid var(--border); }
.closing-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.closing-headline { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 800; line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 1.5rem; }
.closing-sub { font-size: 1rem; color: var(--text-muted); max-width: 560px; margin: 0 auto 3rem; line-height: 1.7; }
.closing-vision {
  display: inline-block;
  border-left: 3px solid var(--amber);
  padding-left: 1.5rem;
  text-align: left;
}
.vision-line { font-size: 1.1rem; color: var(--text-muted); font-style: italic; max-width: 480px; line-height: 1.7; }

/* === Footer === */
.footer { padding: 3rem 2rem; border-top: 1px solid var(--border); }
.footer-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.footer-brand { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 0.4rem; }
.footer-tagline { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1.5rem; }
.footer-legal { font-size: 0.75rem; color: var(--text-dim); font-family: 'DM Mono', monospace; }

/* === Responsive === */
@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; gap: 3rem; }
  .hero-right { order: -1; }
  .phone-frame { width: 100%; max-width: 280px; margin: 0 auto; }
  .problem-grid { grid-template-columns: 1fr; }
  .solutions-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .hero { padding: 6rem 1.5rem 3rem; }
  .proof-stat { font-size: 2rem; }
  .proof-text { display: none; }
  .hero-headline { font-size: 1.75rem; }
}