/* === BASE === */
:root {
  --bg-primary: #080f1e;
  --bg-secondary: #0c1a2e;
  --bg-card: #0f2035;
  --accent-teal: #00e5cc;
  --accent-amber: #ffb84d;
  --text-primary: #f0f4f8;
  --text-secondary: #8fa3b8;
  --text-muted: #4a6580;
  --border: rgba(255,255,255,0.07);
  --border-teal: rgba(0,229,204,0.2);
}

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

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4 { font-family: 'Syne', sans-serif; line-height: 1.15; }

/* === NAV === */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 20px 48px;
  background: rgba(8,15,30,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo-text {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.nav-tagline {
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* === HERO === */
.hero {
  padding: 80px 48px 72px;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -100px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0,229,204,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-teal);
  margin-bottom: 24px;
}
.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-teal);
  display: inline-block;
  box-shadow: 0 0 8px var(--accent-teal);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-headline {
  font-size: clamp(2.6rem, 4.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 28px;
}
.headline-accent {
  color: var(--accent-teal);
  display: block;
}
.hero-subhead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 480px;
}

/* === CALL DEVICE === */
.hero-call-vis {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.call-device {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(0,229,204,0.08);
}
.call-device-header {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}
.call-dot { width: 11px; height: 11px; border-radius: 50%; }
.call-dot-red { background: #ff5f57; }
.call-dot-yellow { background: #febc2e; }
.call-dot-green { background: #28c840; }

.call-waveform {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 48px;
  margin-bottom: 20px;
  padding: 0 4px;
}
.wave-bar {
  flex: 1;
  background: rgba(0,229,204,0.25);
  border-radius: 2px;
  transition: height 0.3s ease;
  min-height: 4px;
}
.wave-bar-active { background: var(--accent-teal); }

.call-transcript { display: flex; flex-direction: column; gap: 12px; margin-bottom: 16px; }
.transcript-ai, .transcript-caller { display: flex; flex-direction: column; gap: 4px; }
.transcript-label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); font-weight: 600; }
.transcript-ai .transcript-label { color: var(--accent-teal); }
.transcript-text {
  font-size: 0.8rem;
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
  padding: 8px 12px;
  border-radius: 8px;
  border-left: 3px solid var(--accent-teal);
  line-height: 1.4;
}
.transcript-caller .transcript-text { border-left-color: rgba(255,184,77,0.6); }

.call-status { border-top: 1px solid var(--border); padding-top: 12px; }
.status-indicator { display: flex; align-items: center; gap: 8px; font-size: 0.75rem; color: var(--text-secondary); }
.status-dot { width: 7px; height: 7px; border-radius: 50%; }
.status-dot-live { background: #28c840; box-shadow: 0 0 6px #28c840; animation: pulse 2s infinite; }

/* === HERO STATS === */
.hero-stats-row {
  display: flex;
  gap: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.hero-stat { flex: 1; padding: 18px 20px; text-align: center; }
.hero-stat-divider { width: 1px; background: var(--border); }
.stat-value { font-family: 'Syne', sans-serif; font-size: 1.6rem; font-weight: 800; color: var(--accent-amber); letter-spacing: -0.02em; }
.stat-label { font-size: 0.72rem; color: var(--text-muted); margin-top: 4px; line-height: 1.3; }

/* === PROBLEM === */
.problem {
  padding: 72px 48px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.problem-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.problem-quote { position: relative; }
.quote-mark {
  font-family: 'Syne', sans-serif;
  font-size: 5rem;
  color: var(--accent-teal);
  opacity: 0.3;
  line-height: 0.5;
  margin-bottom: 12px;
  display: block;
}
blockquote {
  font-family: 'Syne', sans-serif;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 20px;
}
.problem-quote cite {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: normal;
}
.problem-context { display: flex; flex-direction: column; gap: 16px; padding-top: 8px; }
.problem-body { font-size: 1rem; color: var(--text-secondary); line-height: 1.75; }
.problem-highlight { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1.1rem; color: var(--accent-teal); }

/* === HOW IT WORKS === */
.howitworks { padding: 80px 48px; background: var(--bg-primary); }
.howitworks-inner { max-width: 1200px; margin: 0 auto; }
.section-header { margin-bottom: 56px; }
.section-tag {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-teal);
  margin-bottom: 12px;
  font-weight: 600;
}
.section-headline {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}
.steps-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: start;
}
.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 24px;
  position: relative;
  transition: border-color 0.2s;
}
.step-card:hover { border-color: var(--border-teal); }
.step-number {
  font-family: 'Syne', sans-serif;
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--accent-teal);
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.step-icon { margin-bottom: 16px; }
.step-title { font-family: 'Syne', sans-serif; font-size: 1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; }
.step-desc { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.65; }
.step-arrow { display: flex; align-items: center; padding: 80px 16px 0; }

/* === FEATURES === */
.features { padding: 80px 48px; background: var(--bg-secondary); }
.features-inner { max-width: 1200px; margin: 0 auto; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 24px;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: var(--border-teal); }
.feature-card-large { grid-column: span 2; }
.feature-icon { margin-bottom: 16px; }
.feature-title { font-family: 'Syne', sans-serif; font-size: 0.95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; }
.feature-desc { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.65; }

.features-verticals { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.verticals-label { font-size: 0.78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; }
.verticals-tags { display: flex; gap: 10px; flex-wrap: wrap; }
.v-tag {
  padding: 6px 14px;
  border: 1px solid var(--border-teal);
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--accent-teal);
  background: rgba(0,229,204,0.05);
  transition: background 0.2s, color 0.2s;
  cursor: default;
}
.v-tag:hover { background: rgba(0,229,204,0.12); }

/* === PRICING === */
.pricing { padding: 80px 48px; background: var(--bg-primary); }
.pricing-inner { max-width: 1200px; margin: 0 auto; }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  position: relative;
}
.pricing-card-featured {
  border-color: var(--accent-teal);
  background: linear-gradient(135deg, rgba(0,229,204,0.06) 0%, var(--bg-card) 60%);
}
.pricing-card-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-teal);
  color: var(--bg-primary);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 999px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.pricing-tier {
  font-family: 'Syne', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.pricing-price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 4px; }
.price-dollar { font-family: 'Syne', sans-serif; font-size: 1.3rem; font-weight: 600; color: var(--text-secondary); }
.price-num { font-family: 'Syne', sans-serif; font-size: 3rem; font-weight: 800; color: var(--text-primary); letter-spacing: -0.03em; }
.price-period { font-size: 0.9rem; color: var(--text-muted); }
.pricing-monthly { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 24px; }
.pricing-features { display: flex; flex-direction: column; gap: 10px; }
.pricing-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.pricing-note { font-size: 0.8rem; color: var(--text-muted); text-align: center; line-height: 1.6; }

/* === CLOSING === */
.closing { padding: 96px 48px; background: var(--bg-secondary); }
.closing-inner { max-width: 760px; margin: 0 auto; text-align: center; }
.closing-headline {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 28px;
}
.closing-sub { font-size: 1.05rem; color: var(--text-secondary); line-height: 1.75; margin-bottom: 16px; }
.closing-sub:last-child { margin-bottom: 0; }

/* === FOOTER === */
.footer { padding: 32px 48px; border-top: 1px solid var(--border); background: var(--bg-primary); }
.footer-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.footer-logo { display: flex; align-items: center; gap: 8px; font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.9rem; color: var(--text-secondary); }
.footer-copy { font-size: 0.78rem; color: var(--text-muted); }

/* === RESPONSIVE === */
@media (max-width: 960px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .hero-call-vis { order: -1; }
  .problem-inner { grid-template-columns: 1fr; gap: 40px; }
  .steps-row { grid-template-columns: 1fr; gap: 16px; }
  .step-arrow { display: none; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .feature-card-large { grid-column: span 2; }
  .pricing-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav { padding: 16px 24px; }
  .nav-tagline { display: none; }
  .hero { padding: 56px 24px 48px; }
  .hero-headline { font-size: 2.2rem; }
  .problem, .howitworks, .features, .pricing, .closing { padding: 56px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card-large { grid-column: span 1; }
  .hero-stats-row { flex-direction: column; }
  .hero-stat-divider { width: 100%; height: 1px; }
  .footer { padding: 24px; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
}