/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0A0A0F;
  --surface: #13131A;
  --surface2: #1C1C26;
  --border: rgba(255,255,255,0.07);
  --accent: #F59E0B;
  --accent-dim: rgba(245,158,11,0.12);
  --success: #10B981;
  --text: #FAFAFA;
  --muted: #9CA3AF;
  --muted2: #6B7280;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 14px;
  --radius-lg: 20px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(12px);
  z-index: 100;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.navbar-name {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.navbar-tagline {
  font-size: 13px;
  color: var(--muted);
  font-family: var(--font-body);
}

/* Hero */
.hero {
  padding: 100px 48px 80px;
  max-width: 1320px;
  margin: 0 auto;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-dim);
  border: 1px solid rgba(245,158,11,0.25);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 28px;
  letter-spacing: 0.02em;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: clamp(38px, 4.5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 36px;
}

.cta-note {
  font-size: 13px;
  color: var(--muted2);
  letter-spacing: 0.02em;
}

/* Phone Shell */
.hero-right {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.phone-shell {
  width: 280px;
  background: #18181F;
  border-radius: 40px;
  border: 1px solid rgba(255,255,255,0.1);
  padding: 14px;
  box-shadow: 0 40px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.05) inset;
  position: relative;
  z-index: 2;
}

.phone-notch {
  width: 90px;
  height: 28px;
  background: #18181F;
  border-radius: 0 0 18px 18px;
  margin: 0 auto 10px;
  position: relative;
  z-index: 3;
}

.phone-screen {
  background: #0F0F14;
  border-radius: 28px;
  padding: 18px 16px;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.call-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.call-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.call-status-dot.incoming { background: var(--success); box-shadow: 0 0 6px var(--success); }

.call-label { font-size: 11px; color: var(--muted2); flex: 1; }
.call-time { font-size: 11px; color: var(--muted2); font-family: var(--font-heading); }

.caller-card {
  display: flex;
  align-items: center;
  gap: 10px;
}

.caller-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3B3B4F, #2A2A3A);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
}

.caller-info { flex: 1; }
.caller-name { font-size: 14px; font-weight: 600; color: var(--text); }
.caller-detail { font-size: 11px; color: var(--muted2); margin-top: 1px; }

.call-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 3px 7px;
  border-radius: 6px;
  letter-spacing: 0.05em;
}

.call-badge.ai { background: rgba(245,158,11,0.15); color: var(--accent); }

.waveform {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 28px;
  padding: 4px 0;
}

.waveform span {
  width: 3px;
  border-radius: 3px;
  background: var(--accent);
  opacity: 0.6;
  animation: wave 1.4s 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: 12px; animation-delay: 0.2s; }
.waveform span:nth-child(4) { height: 22px; animation-delay: 0.3s; }
.waveform span:nth-child(5) { height: 14px; animation-delay: 0.4s; }
.waveform span:nth-child(6) { height: 18px; animation-delay: 0.5s; }
.waveform span:nth-child(7) { height: 10px; animation-delay: 0.6s; }
.waveform span:nth-child(8) { height: 20px; animation-delay: 0.7s; }
.waveform span:nth-child(9) { height: 8px; animation-delay: 0.8s; }
.waveform span:nth-child(10) { height: 14px; animation-delay: 0.9s; }
.waveform span:nth-child(11) { height: 18px; animation-delay: 1.0s; }
.waveform span:nth-child(12) { height: 10px; animation-delay: 1.1s; }
.waveform span:nth-child(13) { height: 20px; animation-delay: 1.2s; }
.waveform span:nth-child(14) { height: 12px; animation-delay: 1.3s; }
.waveform span:nth-child(15) { height: 16px; animation-delay: 1.4s; }

@keyframes wave {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(0.4); }
}

.transcript { display: flex; flex-direction: column; gap: 8px; }

.msg {
  max-width: 85%;
  padding: 9px 12px;
  border-radius: 14px;
  font-size: 12px;
  line-height: 1.5;
}

.msg.ai-msg {
  background: var(--surface2);
  color: var(--text);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.msg.human-msg {
  background: var(--accent-dim);
  border: 1px solid rgba(245,158,11,0.2);
  color: var(--text);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.action-confirm {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 11px;
  color: var(--success);
  font-weight: 500;
  margin-top: 2px;
}

.phone-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(245,158,11,0.08) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 1;
}

/* Stats */
.stats {
  padding: 0 48px 80px;
  max-width: 1320px;
  margin: 0 auto;
}

.stats-inner {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
}

.stat { flex: 1; padding: 0 24px; }
.stat:first-child { padding-left: 0; }

.stat-value {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.4;
}

.stat-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
  flex-shrink: 0;
}

/* Section commons */
.section-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-headline {
  font-family: var(--font-heading);
  font-size: clamp(30px, 3.5vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 20px;
}

.section-body {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 600px;
}

/* What / Services */
.what { padding: 80px 48px; border-top: 1px solid var(--border); }

.what-inner { max-width: 1320px; margin: 0 auto; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}

.service-card:hover {
  border-color: rgba(245,158,11,0.2);
  transform: translateY(-2px);
}

.service-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.service-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.service-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* Industries */
.industries { padding: 80px 48px; border-top: 1px solid var(--border); }

.industries-inner { max-width: 1320px; margin: 0 auto; }

.industry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.industry-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s;
}

.industry-card:hover { border-color: rgba(245,158,11,0.2); }

.industry-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

.industry-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.industry-name {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.industry-stat {
  font-size: 12px;
  color: var(--accent);
  font-weight: 500;
}

.industry-body ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.industry-body li {
  font-size: 13px;
  color: var(--muted);
  padding-left: 16px;
  position: relative;
}

.industry-body li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

/* Proof / How it works */
.proof { padding: 80px 48px; border-top: 1px solid var(--border); }

.proof-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.proof-headline { font-size: clamp(26px, 2.8vw, 36px); }

.step-list { display: flex; flex-direction: column; gap: 28px; margin-top: 40px; }

.step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.step-num {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.4;
  flex-shrink: 0;
  width: 40px;
  line-height: 1;
}

.step-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.step-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

.proof-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-content: start;
}

.metric-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.metric-card.highlight {
  background: var(--accent-dim);
  border-color: rgba(245,158,11,0.3);
}

.metric-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted2);
  margin-bottom: 8px;
}

.metric-value {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
  margin-bottom: 6px;
}

.metric-note {
  font-size: 12px;
  color: var(--muted2);
}

/* Closing */
.closing { padding: 100px 48px; border-top: 1px solid var(--border); }

.closing-inner { max-width: 800px; margin: 0 auto; text-align: center; }

.closing-eyebrow {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 20px;
}

.closing-headline {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3.5vw, 46px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 24px;
}

.closing-body {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 40px;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 60px 48px 32px;
}

.footer-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  margin-bottom: 48px;
}

.footer-brand {}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 13px;
  color: var(--muted2);
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer-col { display: flex; flex-direction: column; gap: 10px; }

.footer-col-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted2);
  margin-bottom: 4px;
}

.footer-col a {
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--text); }

.footer-bottom {
  max-width: 1320px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted2);
}

/* Responsive */
@media (max-width: 900px) {
  .navbar { padding: 16px 24px; }
  .hero { padding: 60px 24px 48px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { display: none; }
  .stats-inner { flex-direction: column; gap: 24px; }
  .stat-divider { width: 100%; height: 1px; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .industry-grid { grid-template-columns: 1fr; }
  .proof-inner { grid-template-columns: 1fr; }
  .proof-visual { margin-top: 32px; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .services-grid { grid-template-columns: 1fr; }
  .proof-visual { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr; }
  .stats { padding: 0 24px 60px; }
  .stats-inner { padding: 28px 24px; }
  .what, .industries, .proof, .closing { padding: 60px 24px; }
}