:root {
  --bg: #0D1117;
  --surface: #161B22;
  --surface-2: #21262D;
  --fg: #F0F6FC;
  --fg-2: #8B949E;
  --accent: #00D4AA;
  --accent-2: #00A882;
  --teal-dark: #0A3D30;
  --navy: #1A1A2E;
  --white: #FFFFFF;
  --border: rgba(240,246,252,0.1);
}

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

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;
}

/* NAV */
.nav {
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.nav-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 20px;
  color: var(--white);
}
.nav-tagline {
  font-size: 13px;
  color: var(--fg-2);
}

/* HERO */
.hero {
  padding: 80px 40px 60px;
  max-width: 1100px;
  margin: 0 auto;
}
.hero-inner {
  display: flex;
  flex-direction: column;
  gap: 48px;
}
.hero-content { max-width: 680px; }
.hero-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.hero-headline {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-2);
  max-width: 580px;
  line-height: 1.7;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  width: fit-content;
}
.stat {
  padding: 20px 32px;
  text-align: center;
}
.stat-number {
  display: block;
  font-family: 'DM Serif Display', serif;
  font-size: 28px;
  color: var(--accent);
}
.stat-label {
  display: block;
  font-size: 12px;
  color: var(--fg-2);
  margin-top: 2px;
}
.stat-divider {
  width: 1px;
  height: 50px;
  background: var(--border);
}

/* PROBLEM */
.problem {
  padding: 80px 40px;
  background: var(--surface);
}
.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.problem-label, .features-label, .how-label, .bilingual-tag {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.problem-headline, .features-headline, .how-headline, .bilingual-headline {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(24px, 3.5vw, 38px);
  color: var(--white);
  max-width: 600px;
  margin-bottom: 40px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.problem-card {
  background: var(--surface);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.problem-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--teal-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.problem-card p {
  font-size: 15px;
  color: var(--fg-2);
  line-height: 1.5;
}

/* FEATURES */
.features { padding: 80px 40px; }
.features-inner { max-width: 1100px; margin: 0 auto; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.feature {
  background: var(--bg);
  padding: 28px;
}
.feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 14px;
}
.feature h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
}
.feature p {
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.5;
}

/* BILINGUAL */
.bilingual {
  padding: 80px 40px;
  background: var(--navy);
}
.bilingual-inner { max-width: 1100px; margin: 0 auto; }
.bilingual-content { max-width: 700px; }
.bilingual-headline {
  margin-bottom: 20px;
}
.bilingual-body {
  font-size: 16px;
  color: var(--fg-2);
  line-height: 1.7;
  margin-bottom: 16px;
}
.bilingual-stats {
  display: flex;
  gap: 40px;
  margin-top: 36px;
  padding-top: 36px;
  border-top: 1px solid rgba(240,246,252,0.15);
}
.bstat {}
.bstat-num {
  display: block;
  font-family: 'DM Serif Display', serif;
  font-size: 32px;
  color: var(--accent);
}
.bstat-desc {
  display: block;
  font-size: 13px;
  color: var(--fg-2);
  margin-top: 2px;
}

/* HOW */
.how { padding: 80px 40px; }
.how-inner { max-width: 1100px; margin: 0 auto; }
.how-steps {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 60px;
}
.step {
  display: flex;
  gap: 20px;
  flex: 1;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}
.step-num {
  font-family: 'DM Serif Display', serif;
  font-size: 28px;
  color: var(--accent);
  flex-shrink: 0;
}
.step-content h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
}
.step-content p {
  font-size: 14px;
  color: var(--fg-2);
  line-height: 1.5;
}
.step-arrow { color: var(--fg-2); flex-shrink: 0; }

/* PRICING */
.how-pricing { margin-top: 40px; }
.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  max-width: 480px;
}
.pricing-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--fg-2);
  margin-bottom: 20px;
}
.pricing-structure { margin-bottom: 20px; }
.price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.price-row:last-child { border-bottom: none; }
.price-label { font-size: 15px; color: var(--fg-2); }
.price-value {
  font-family: 'DM Serif Display', serif;
  font-size: 22px;
  color: var(--white);
}
.pricing-note {
  font-size: 13px;
  color: var(--accent);
  background: var(--teal-dark);
  padding: 12px;
  border-radius: 8px;
}

/* CLOSING */
.closing {
  padding: 80px 40px;
  background: var(--surface);
}
.closing-inner { max-width: 1100px; margin: 0 auto; }
.closing-headline {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(24px, 3.5vw, 42px);
  color: var(--white);
  max-width: 700px;
  margin-bottom: 20px;
}
.closing-body {
  font-size: 16px;
  color: var(--fg-2);
  max-width: 600px;
  line-height: 1.7;
}

/* FOOTER */
.footer {
  padding: 32px 40px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 16px;
  color: var(--white);
}
.footer-desc {
  font-size: 13px;
  color: var(--fg-2);
  margin-top: 4px;
}
.footer-note {
  font-size: 12px;
  color: var(--fg-2);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav { padding: 16px 20px; }
  .hero { padding: 48px 20px 40px; }
  .hero-stats { flex-direction: column; width: 100%; }
  .stat-divider { width: 100%; height: 1px; }
  .problem { padding: 60px 20px; }
  .problem-grid { grid-template-columns: 1fr; }
  .features { padding: 60px 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .bilingual { padding: 60px 20px; }
  .bilingual-stats { flex-direction: column; gap: 24px; }
  .how { padding: 60px 20px; }
  .how-steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); }
  .closing { padding: 60px 20px; }
  .footer { padding: 24px 20px; }
  .footer-inner { flex-direction: column; gap: 12px; align-items: flex-start; }
}