/* ─── Base ─── */
:root {
  --bg: #F7F5F0;
  --bg-alt: #EFECE5;
  --fg: #1C1917;
  --fg-muted: #57534E;
  --accent: #F59E0B;
  --accent-dark: #D97706;
  --accent-light: #FEF3C7;
  --green: #16A34A;
  --green-bg: #DCFCE7;
  --border: #E7E4DC;
  --card: #FFFFFF;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Syne', system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

/* ─── Nav ─── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 245, 240, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 24px;
  font-size: 14px;
  color: var(--fg-muted);
}

/* ─── Hero ─── */
.hero {
  padding: 80px 0 64px;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-kicker {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 20px;
}

.hero-headline {
  font-size: clamp(36px, 5vw, 56px);
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  color: var(--fg);
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 480px;
}

/* Hero Right — cards */
.hero-right {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.voice-card {
  background: var(--fg);
  color: #FAFAF8;
  border-radius: 16px;
  padding: 20px 24px;
  box-shadow: 0 20px 60px rgba(28,25,23,0.12);
}

.vc-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.vc-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}

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

.vc-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #A8A29E;
  font-weight: 500;
}

.vc-wave {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 16px;
  height: 32px;
}

.vc-wave span {
  display: block;
  width: 3px;
  border-radius: 2px;
  background: var(--accent);
  opacity: 0.7;
  animation: wave 1.2s ease-in-out infinite alternate;
}

.vc-wave span:nth-child(1) { height: 12px; animation-delay: 0s; }
.vc-wave span:nth-child(2) { height: 22px; animation-delay: 0.1s; }
.vc-wave span:nth-child(3) { height: 30px; animation-delay: 0.2s; }
.vc-wave span:nth-child(4) { height: 18px; animation-delay: 0.3s; }
.vc-wave span:nth-child(5) { height: 28px; animation-delay: 0.4s; }
.vc-wave span:nth-child(6) { height: 16px; animation-delay: 0.5s; }
.vc-wave span:nth-child(7) { height: 24px; animation-delay: 0.6s; }
.vc-wave span:nth-child(8) { height: 14px; animation-delay: 0.7s; }

@keyframes wave {
  from { transform: scaleY(0.4); }
  to { transform: scaleY(1); }
}

.vc-transcript {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.vt-line {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.vt-speaker {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 600;
  min-width: 32px;
  padding-top: 2px;
}

.vt-ai .vt-speaker { color: #6EE7B7; }

.vt-text {
  font-size: 13px;
  line-height: 1.5;
  color: #D6D3CE;
  font-style: italic;
}

.vt-ai .vt-text { font-style: normal; color: #E4E1DA; }

.report-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  box-shadow: 0 8px 32px rgba(28,25,23,0.06);
}

.rc-header {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  margin-bottom: 12px;
  font-weight: 600;
}

.rc-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid var(--bg-alt);
  font-size: 13px;
}

.rc-row:last-child { border-bottom: none; }

.rc-row span:first-child { color: var(--fg-muted); }
.rc-row span:last-child { font-weight: 600; color: var(--fg); }

.rc-amber { color: var(--accent-dark) !important; }
.rc-green { color: var(--green) !important; }

/* ─── Stats ─── */
.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--fg);
  color: #FAFAF8;
  padding: 48px 0;
}

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

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

.stat-value {
  font-family: 'Syne', sans-serif;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
}

.stat-label {
  font-size: 14px;
  color: #A8A29E;
  max-width: 180px;
  line-height: 1.4;
}

.stat-divider {
  width: 1px;
  height: 60px;
  background: #44403C;
  flex-shrink: 0;
}

/* ─── Features ─── */
.features {
  padding: 96px 0;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
}

.features-header {
  margin-bottom: 64px;
}

.features-header h2 {
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.features-header p {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 560px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
}

.feature-card {
  background: var(--card);
  padding: 36px 32px;
  transition: background 0.2s;
}

.feature-card:hover { background: var(--bg); }

.fc-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent-dark);
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ─── How ─── */
.how {
  background: var(--fg);
  color: #FAFAF8;
  padding: 96px 0;
}

.how-header {
  max-width: 1200px;
  margin: 0 auto 64px;
  padding: 0 32px;
}

.how-header h2 {
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.how-header p {
  font-size: 18px;
  color: #A8A29E;
}

.how-steps {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.step { display: flex; flex-direction: column; gap: 20px; }

.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 64px;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--accent);
  line-height: 1;
}

.step-content h3 {
  font-size: 22px;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.step-content p {
  font-size: 15px;
  color: #A8A29E;
  line-height: 1.6;
}

/* ─── Differentiators ─── */
.diff {
  padding: 96px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.diff-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.diff-left h2 {
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.diff-lead {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.65;
  margin-bottom: 12px;
}

.diff-left > p {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.65;
  margin-bottom: 36px;
}

.diff-points { display: flex; flex-direction: column; gap: 24px; }

.dp {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.dp-icon {
  color: var(--accent);
  font-size: 18px;
  padding-top: 3px;
  flex-shrink: 0;
}

.dp strong {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  margin-bottom: 4px;
}

.dp p { font-size: 14px; color: var(--fg-muted); line-height: 1.55; }

.diff-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-top: 8px;
}

.diff-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 24px rgba(28,25,23,0.05);
}

.diff-card-2 { background: var(--fg); color: #FAFAF8; }
.diff-card-2 .dc-title { color: #A8A29E; }
.diff-card-2 .dc-row { border-bottom-color: #292524; }
.diff-card-2 .dc-row span:first-child { color: #78716C; }
.diff-card-2 .dc-row span:last-child { color: #FAFAF8; }
.diff-card-2 .dc-sub { color: #57534E; }

.dc-title {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  margin-bottom: 16px;
  font-weight: 600;
}

.dc-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--bg-alt);
  font-size: 14px;
}

.dc-row:last-of-type { border-bottom: none; }

.dc-cost { font-weight: 700; color: var(--fg); }
.dc-saved { font-weight: 700; color: var(--green); }

.dc-sub {
  margin-top: 14px;
  font-size: 12px;
  color: var(--fg-muted);
  line-height: 1.4;
}

/* ─── Closing ─── */
.closing {
  padding: 120px 0;
  text-align: center;
  background: var(--bg);
}

.closing-inner { max-width: 760px; margin: 0 auto; padding: 0 32px; }

.closing h2 {
  font-size: clamp(28px, 4vw, 48px);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  line-height: 1.2;
}

.closing p {
  font-size: 18px;
  color: var(--fg-muted);
}

/* ─── Footer ─── */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}

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

.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.footer-links {
  display: flex;
  gap: 24px;
  font-size: 14px;
  color: var(--fg-muted);
}

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { order: -1; }
  .stats-inner { flex-wrap: wrap; gap: 24px; }
  .stat-divider { display: none; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .how-steps { grid-template-columns: 1fr; gap: 48px; }
  .diff-inner { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 600px) {
  .hero { padding: 48px 0 40px; }
  .features { padding: 64px 0; }
  .features-grid { grid-template-columns: 1fr; }
  .how { padding: 64px 0; }
  .diff { padding: 64px 0; }
  .closing { padding: 80px 0; }
  .footer-inner { flex-direction: column; gap: 16px; }
  .stat-value { font-size: 26px; }
  .stat-label { font-size: 13px; }
  .stats-inner { justify-content: flex-start; }
  .stat { min-width: 140px; }
}