/* === BASE === */
:root {
  --bg-primary: #0B1628;
  --bg-card: #0F1E35;
  --bg-card-hover: #132338;
  --fg-primary: #F0F4FF;
  --fg-secondary: #8B9BB4;
  --fg-muted: #4A5B73;
  --accent: #3B82F6;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --accent-warm: #F59E0B;
  --border: rgba(255, 255, 255, 0.07);
  --radius: 12px;
  --font-head: 'Sora', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

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

::selection { background: var(--accent); color: #fff; }

/* === TYPOGRAPHY === */
h1, h2, h3 { font-family: var(--font-head); font-weight: 700; line-height: 1.15; }

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-family: var(--font-head);
  margin-bottom: 16px;
}

/* === HEADER === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(11, 22, 40, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  color: var(--fg-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo-accent { color: var(--accent); }

.header-nav {
  display: flex;
  gap: 32px;
}

.header-nav a {
  font-size: 14px;
  color: var(--fg-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.header-nav a:hover { color: var(--fg-primary); }

/* === HERO === */
.hero {
  padding: 120px 32px 80px;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(59, 130, 246, 0.3);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
  font-family: var(--font-head);
}

.hero-headline {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
  color: var(--fg-primary);
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-secondary);
  line-height: 1.65;
  max-width: 460px;
  margin-bottom: 32px;
}

.hero-pricing-note {
  display: inline-block;
  font-size: 14px;
  color: var(--fg-muted);
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
}

/* Phone Visualization */
.phone-frame {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.05);
}

.phone-header {
  background: #0D1A2E;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
}

.phone-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22C55E;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 8px rgba(34, 197, 94, 0.6); }
  50% { box-shadow: 0 0 16px rgba(34, 197, 94, 0.9); }
}

.phone-header span {
  font-size: 12px;
  font-weight: 600;
  color: var(--fg-secondary);
  font-family: var(--font-head);
}

.call-feed {
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.call-line {
  display: flex;
  align-items: center;
  gap: 12px;
}

.call-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.call-icon.inbound {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent);
}

.call-info { flex: 1; }

.call-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-primary);
  font-family: var(--font-head);
}

.call-detail {
  font-size: 11px;
  color: var(--fg-muted);
}

.call-time {
  font-size: 11px;
  color: var(--fg-muted);
}

/* Waveform */
.waveform {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 32px;
  padding: 4px 0;
}

.bar {
  width: 3px;
  border-radius: 3px;
  background: var(--fg-muted);
  height: 6px;
  transition: all 0.3s;
}

.bar.active, .bar:nth-child(14) {
  background: var(--accent);
  height: 20px;
}

.bar:nth-child(1) { height: 8px; }
.bar:nth-child(2) { height: 14px; }
.bar:nth-child(3) { height: 20px; }
.bar:nth-child(4) { height: 12px; }
.bar:nth-child(5) { height: 18px; }
.bar:nth-child(6) { height: 10px; }
.bar:nth-child(7) { height: 24px; }
.bar:nth-child(8) { height: 16px; }
.bar:nth-child(9) { height: 12px; }
.bar:nth-child(10) { height: 8px; }
.bar:nth-child(11) { height: 20px; }
.bar:nth-child(12) { height: 14px; }
.bar:nth-child(13) { height: 18px; }
.bar:nth-child(14) { height: 26px; }
.bar:nth-child(15) { height: 16px; }
.bar:nth-child(16) { height: 22px; }
.bar:nth-child(17) { height: 14px; }
.bar:nth-child(18) { height: 10px; }
.bar:nth-child(19) { height: 18px; }
.bar:nth-child(20) { height: 8px; }
.bar:nth-child(21) { height: 12px; }
.bar:nth-child(22) { height: 6px; }
.bar:nth-child(23) { height: 10px; }
.bar:nth-child(24) { height: 14px; }

.ai-response {
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.ai-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: rgba(59, 130, 246, 0.2);
  padding: 3px 7px;
  border-radius: 4px;
  flex-shrink: 0;
  font-family: var(--font-head);
}

.ai-text {
  font-size: 13px;
  color: var(--fg-secondary);
  line-height: 1.5;
  font-style: italic;
}

.call-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-head);
}

.call-badge.confirmed {
  background: rgba(34, 197, 94, 0.1);
  color: #22C55E;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.phone-footer {
  background: #0D1A2E;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--fg-muted);
  font-family: var(--font-head);
}

.footer-sep { color: var(--fg-muted); opacity: 0.4; }

/* === PROBLEM === */
.problem {
  padding: 100px 32px;
  border-top: 1px solid var(--border);
}

.problem-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.problem-label { margin-bottom: 20px; }

.problem-headline {
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 800;
  max-width: 600px;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

.problem-body {
  font-size: 18px;
  color: var(--fg-secondary);
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 60px;
}

.problem-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 700px;
}

.stat {
  background: var(--bg-card);
  padding: 32px 28px;
}

.stat-value {
  font-family: var(--font-head);
  font-size: 40px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

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

/* === SERVICES === */
.services {
  padding: 100px 32px;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(15, 30, 53, 0.5) 100%);
}

.services-inner { max-width: 1200px; margin: 0 auto; }

.services-label { margin-bottom: 20px; }

.services-headline {
  font-size: clamp(32px, 3.5vw, 48px);
  font-weight: 700;
  max-width: 540px;
  margin-bottom: 56px;
  letter-spacing: -0.02em;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all 0.25s;
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(59, 130, 246, 0.25);
  transform: translateY(-2px);
}

.service-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-glow);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--accent);
}

.service-card h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--fg-primary);
}

.service-card p {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* === VERTICALS === */
.verticals {
  padding: 100px 32px;
  border-top: 1px solid var(--border);
}

.verticals-inner { max-width: 1200px; margin: 0 auto; }

.verticals-label { margin-bottom: 20px; }

.verticals-headline {
  font-size: clamp(32px, 3.5vw, 48px);
  font-weight: 700;
  max-width: 560px;
  margin-bottom: 56px;
  letter-spacing: -0.02em;
}

.verticals-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.vertical-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all 0.25s;
}

.vertical-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(59, 130, 246, 0.25);
}

.vertical-icon {
  width: 56px;
  height: 56px;
  background: var(--accent-glow);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent);
}

.vertical-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
}

.vertical-card p {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.55;
}

.verticals-pricing {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: fit-content;
}

.pricing-tag {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
}

.pricing-note {
  font-size: 13px;
  color: var(--fg-muted);
}

/* === MANIFESTO === */
.manifesto {
  padding: 100px 32px;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(15, 30, 53, 0.3) 0%, var(--bg-primary) 100%);
}

.manifesto-inner { max-width: 1200px; margin: 0 auto; }

.manifesto-quote {
  margin-bottom: 48px;
  max-width: 800px;
}

.quote-mark {
  font-size: 80px;
  line-height: 1;
  color: var(--accent);
  font-family: Georgia, serif;
  margin-bottom: 16px;
  opacity: 0.6;
}

.manifesto-quote blockquote {
  font-family: var(--font-head);
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 600;
  line-height: 1.45;
  color: var(--fg-primary);
  letter-spacing: -0.01em;
}

.manifesto-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 900px;
}

.manifesto-body p {
  font-size: 16px;
  color: var(--fg-secondary);
  line-height: 1.7;
}

/* === CLOSING === */
.closing {
  padding: 100px 32px;
  border-top: 1px solid var(--border);
}

.closing-inner { max-width: 1200px; margin: 0 auto; }

.closing-headline {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.closing-body {
  font-size: 18px;
  color: var(--fg-secondary);
  max-width: 540px;
  line-height: 1.65;
  margin-bottom: 48px;
}

.closing-stack {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-bottom: 40px;
}

.stack-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stack-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  font-family: var(--font-head);
}

.stack-value {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  color: var(--fg-primary);
}

.stack-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.closing-footer {
  font-size: 15px;
  color: var(--fg-muted);
  font-style: italic;
}

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

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  display: block;
}

.footer-brand p {
  font-size: 13px;
  color: var(--fg-muted);
}

.footer-tagline {
  font-size: 14px;
  color: var(--fg-muted);
  font-style: italic;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .verticals-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-text { order: 1; }
  .hero-visual { order: 0; }
  .hero-headline { font-size: 36px; }
  .problem-stats { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .verticals-grid { grid-template-columns: 1fr; }
  .manifesto-body { grid-template-columns: 1fr; }
  .closing-stack { flex-direction: column; align-items: flex-start; gap: 16px; }
  .stack-divider { display: none; }
  .footer-inner { flex-direction: column; gap: 24px; text-align: center; }
  .header-nav { display: none; }
}

@media (max-width: 480px) {
  .hero { padding: 100px 20px 60px; }
  .problem, .services, .verticals, .manifesto, .closing { padding: 72px 20px; }
}