:root {
  --bg: #f4f4f0;
  --bg-alt: #ffffff;
  --fg: #111111;
  --fg-muted: #666666;
  --accent: #f5c518;
  --accent-dark: #d4a817;
  --dark: #1a1a2e;
  --dark-surface: #252540;
  --border: #dddddd;
  --font-display: 'Archivo Black', sans-serif;
  --font-body: 'Source Sans 3', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ─── NAV ─────────────────────────────────── */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  border-bottom: 2px solid var(--dark);
  background: var(--dark);
  color: #ffffff;
}

.wordmark {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.tagline-nav {
  font-size: 0.85rem;
  color: #aaaaaa;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ─── HERO ─────────────────────────────────── */
.hero {
  background: var(--dark);
  color: #ffffff;
  padding: 80px 40px 100px;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-stat {
  grid-column: 1;
  border: 3px solid var(--accent);
  padding: 36px 40px;
  text-align: center;
  margin-bottom: 32px;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #aaaaaa;
  margin-top: 8px;
}

.hero-body h1 {
  font-family: var(--font-display);
  font-size: 2.4rem;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: 20px;
}

.lede {
  font-size: 1.15rem;
  color: #cccccc;
  line-height: 1.6;
}

/* ─── DEMO PHONE ─────────────────────────── */
.demo-phone {
  background: var(--dark-surface);
  border: 2px solid #444466;
  border-radius: 16px;
  padding: 28px 24px;
  font-family: var(--font-body);
}

.demo-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #888899;
  margin-bottom: 4px;
}

.demo-timestamp {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 20px;
}

.demo-arrow {
  text-align: center;
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.demo-text-bubble {
  background: #ffffff;
  border-radius: 12px 12px 12px 2px;
  padding: 14px 16px;
  margin-bottom: 12px;
}

.text-from {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}

.text-msg {
  font-size: 0.9rem;
  color: #333333;
  line-height: 1.4;
}

.text-time {
  font-size: 0.68rem;
  color: #999999;
  margin-top: 6px;
}

.demo-reply-bubble {
  background: #2a2a50;
  border-radius: 12px 12px 2px 12px;
  padding: 12px 16px;
  margin-bottom: 16px;
}

.reply-msg {
  font-size: 0.88rem;
  color: #dddddd;
  font-style: italic;
}

.demo-conversion {
  font-size: 0.75rem;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 700;
  padding-top: 12px;
  border-top: 1px solid #444466;
}

/* ─── PROOF ────────────────────────────────── */
.proof {
  background: var(--accent);
  padding: 80px 40px;
}

.proof-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.proof-headline {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--dark);
  margin-bottom: 48px;
  text-align: center;
}

.proof-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 0;
}

.proof-stat {
  padding: 0 30px;
  border-left: 2px solid var(--dark);
}

.proof-stat:first-child { border-left: none; }

.proof-num {
  font-family: var(--font-display);
  font-size: 3.2rem;
  color: var(--dark);
  line-height: 1;
  margin-bottom: 8px;
}

.proof-desc {
  font-size: 0.88rem;
  color: var(--dark);
  line-height: 1.4;
  opacity: 0.8;
}

/* ─── HOW ──────────────────────────────────── */
.how {
  background: var(--bg);
  padding: 90px 40px;
  border-top: 3px solid var(--dark);
}

.how-inner {
  max-width: 900px;
  margin: 0 auto;
}

.how-header {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--dark);
  margin-bottom: 56px;
  text-align: center;
}

.how-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 60px;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 24px;
  align-items: start;
}

.step-num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  color: var(--accent-dark);
  line-height: 1;
  padding-top: 4px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--dark);
  margin-bottom: 8px;
}

.step-content p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ─── PRICING ─────────────────────────────── */
.pricing {
  background: var(--dark);
  color: #ffffff;
  padding: 90px 40px;
}

.pricing-inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.pricing-header {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--accent);
  margin-bottom: 8px;
}

.pricing-sub {
  font-size: 1rem;
  color: #888899;
  margin-bottom: 48px;
}

.pricing-card {
  background: var(--dark-surface);
  border: 2px solid var(--accent);
  border-radius: 12px;
  padding: 48px;
  text-align: left;
}

.plan-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 24px;
}

.plan-price {
  margin-bottom: 8px;
}

.price-amount {
  font-family: var(--font-display);
  font-size: 3.5rem;
  color: #ffffff;
}

.price-unit {
  font-size: 1rem;
  color: #aaaaaa;
  margin-left: 6px;
}

.plan-monthly {
  margin-bottom: 36px;
  padding-bottom: 32px;
  border-bottom: 1px solid #444466;
}

.monthly-amount {
  font-family: var(--font-display);
  font-size: 2rem;
  color: #ffffff;
}

.monthly-unit {
  font-size: 0.95rem;
  color: #aaaaaa;
}

.plan-features {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 30px;
}

.plan-features li {
  font-size: 0.92rem;
  color: #dddddd;
  padding-left: 20px;
  position: relative;
}

.plan-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.plan-note {
  font-size: 0.82rem;
  color: #777788;
  margin-top: 28px;
  text-align: center;
}

/* ─── CLOSING ─────────────────────────────── */
.closing {
  background: var(--bg-alt);
  padding: 90px 40px;
  border-top: 2px solid var(--border);
  border-bottom: 2px solid var(--border);
}

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

.closing-headline {
  font-family: var(--font-display);
  font-size: 2.6rem;
  color: var(--dark);
  line-height: 1.15;
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ─── FOOTER ──────────────────────────────── */
.site-footer {
  background: var(--dark);
  color: #666677;
  padding: 48px 40px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 0.9rem;
  margin-bottom: 20px;
  color: #888899;
}

.footer-meta {
  font-size: 0.75rem;
  color: #555566;
}

/* ─── RESPONSIVE ─────────────────────────── */
@media (max-width: 768px) {
  .top-bar { padding: 16px 20px; }
  .tagline-nav { display: none; }

  .hero { padding: 50px 20px 70px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-stat { margin-bottom: 0; }
  .stat-number { font-size: 4rem; }
  .hero-body h1 { font-size: 1.8rem; }

  .proof { padding: 50px 20px; }
  .proof-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .proof-stat { border-left: none; padding: 0; }
  .proof-num { font-size: 2.5rem; }

  .how { padding: 60px 20px; }
  .how-steps { grid-template-columns: 1fr; gap: 30px; }

  .pricing { padding: 60px 20px; }
  .pricing-card { padding: 32px 24px; }
  .plan-features { grid-template-columns: 1fr; }

  .closing { padding: 60px 20px; }
  .closing-headline { font-size: 1.9rem; }

  .site-footer { padding: 36px 20px; }
}