:root {
  --bg: #0B0F14;
  --bg-card: #111620;
  --bg-card-hover: #171D27;
  --fg: #E8EAF0;
  --fg-muted: #7A8494;
  --accent: #00E5CC;
  --accent-dim: rgba(0, 229, 204, 0.12);
  --border: rgba(255,255,255,0.06);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

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

/* ── TOPBAR ── */
.topbar {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 22px 48px;
  border-bottom: 1px solid var(--border);
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.03em;
  color: var(--fg);
}

.tagline {
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ── HERO ── */
.hero {
  padding: 88px 48px 96px;
  max-width: 1200px;
}

.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 600;
  margin-bottom: 28px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(52px, 7vw, 88px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.04em;
  margin-bottom: 28px;
  color: var(--fg);
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 540px;
  line-height: 1.65;
  margin-bottom: 56px;
}

/* Agent output block */
.agent-output {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 32px;
  max-width: 860px;
}

.output-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.output-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  font-family: var(--font-display);
  font-weight: 600;
}

.output-row {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 16px;
}

.output-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 22px;
}

.card-label {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-weight: 600;
}

.prospect-card .card-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 4px;
}

.prospect-card .card-role {
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 14px;
}

.prospect-card .card-note {
  font-size: 12px;
  color: var(--accent);
  line-height: 1.5;
}

.email-card .card-subject {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--fg);
}

.email-card .card-body {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
  margin-bottom: 14px;
  font-style: italic;
}

.email-card .card-status {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 600;
}

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

.section-sub {
  font-size: 16px;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.7;
  margin-top: 12px;
}

/* ── HOW ── */
.how {
  padding: 96px 48px;
  border-top: 1px solid var(--border);
  max-width: 1200px;
}

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

.how-header h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}

.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 32px 28px;
  border-radius: 0;
}

.step-num {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.25;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.step-body h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.step-body p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ── PROOF ── */
.proof {
  padding: 96px 48px;
  border-top: 1px solid var(--border);
  max-width: 1200px;
}

.proof-header { margin-bottom: 48px; }

.proof-header h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-bottom: 48px;
  background: var(--border);
}

.stat {
  background: var(--bg-card);
  padding: 36px 32px;
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--fg);
  line-height: 1;
  margin-bottom: 8px;
}

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

.proof-callout {
  border-left: 3px solid var(--accent);
  padding: 20px 28px;
  margin-bottom: 56px;
  background: var(--accent-dim);
  border-radius: 0 8px 8px 0;
}

.proof-callout p {
  font-size: 16px;
  color: var(--fg);
  line-height: 1.7;
}

/* comparison */
.comp-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
}

.comp-method {
  padding: 28px 28px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.comp-method.human { background: var(--bg-card); }
.comp-method.navi { background: var(--accent-dim); border-color: rgba(0, 229, 204, 0.2); }

.comp-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 10px;
}

.comp-method p { font-size: 14px; color: var(--fg-muted); line-height: 1.6; }

.comp-arrow {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ── OBJECTIONS ── */
.objections {
  padding: 96px 48px;
  border-top: 1px solid var(--border);
  background: var(--bg-card);
}

.obj-inner { max-width: 860px; }

.objections .section-label { margin-bottom: 20px; }

.faq { display: flex; flex-direction: column; gap: 0; }

.faq-item {
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}

.faq-item:last-child { border-bottom: none; }

.faq-item h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.faq-item p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ── CLOSING ── */
.closing {
  padding: 112px 48px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.closing-inner { max-width: 680px; margin: 0 auto; }

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 48px;
}

.closing-product {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.product-name {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.product-pitch {
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
}

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

.footer-inner {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
}

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

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .topbar { padding: 16px 24px; }
  .hero { padding: 56px 24px 64px; }
  .hero-headline { font-size: 44px; }
  .hero-sub { font-size: 16px; margin-bottom: 40px; }
  .output-row { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; gap: 1px; }
  .stats-grid { grid-template-columns: 1fr; }
  .comp-row { grid-template-columns: 1fr; }
  .comp-arrow { text-align: center; }
  .how, .proof, .objections, .closing { padding: 64px 24px; }
  footer { padding: 24px; }
}

@media (max-width: 480px) {
  .steps { grid-template-columns: 1fr; }
  .hero-headline { font-size: 36px; }
}