:root {
  --bg: #FAF7F2;
  --bg-warm: #F3EDE4;
  --bg-deep: #2C2417;
  --fg: #2C2417;
  --fg-soft: #6B5E4F;
  --fg-muted: #9B8E7E;
  --accent: #C4713B;
  --accent-light: #E8945A;
  --accent-glow: rgba(196, 113, 59, 0.12);
  --sage: #7A9B7E;
  --sage-light: #E8F0E9;
  --card-bg: #FFFFFF;
  --border: #E5DDD2;
  --radius: 16px;
  --radius-sm: 8px;
  --serif: 'DM Serif Display', Georgia, serif;
  --sans: 'Plus Jakarta Sans', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 80px 24px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(175deg, var(--bg) 0%, var(--bg-warm) 50%, var(--sage-light) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner { max-width: 720px; position: relative; z-index: 1; }

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: var(--accent-glow);
  border: 1px solid rgba(196, 113, 59, 0.25);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  line-height: 1.12;
  color: var(--fg);
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.hero h1 .highlight {
  color: var(--accent);
}

.lede {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--fg-soft);
  max-width: 600px;
  margin: 0 auto;
}

.hero-visual {
  margin-top: 48px;
  position: relative;
  z-index: 1;
}

.voice-bubble {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  max-width: 520px;
  margin: 0 auto;
  box-shadow: 0 8px 40px rgba(44, 36, 23, 0.06);
}

.voice-wave {
  display: flex;
  gap: 4px;
  justify-content: center;
  margin-bottom: 16px;
  height: 24px;
  align-items: end;
}

.voice-wave span {
  display: block;
  width: 4px;
  border-radius: 2px;
  background: var(--sage);
  animation: wave 1.2s ease-in-out infinite;
}

.voice-wave span:nth-child(1) { height: 8px; animation-delay: 0s; }
.voice-wave span:nth-child(2) { height: 16px; animation-delay: 0.1s; }
.voice-wave span:nth-child(3) { height: 24px; animation-delay: 0.2s; }
.voice-wave span:nth-child(4) { height: 16px; animation-delay: 0.3s; }
.voice-wave span:nth-child(5) { height: 8px; animation-delay: 0.4s; }

@keyframes wave {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(0.5); }
}

.voice-text {
  font-size: 1.05rem;
  color: var(--fg-soft);
  font-style: italic;
  line-height: 1.6;
}

/* ===== HOW ===== */
.how {
  padding: 100px 24px;
  background: var(--bg);
}

.how-inner {
  max-width: 960px;
  margin: 0 auto;
}

.how h2 {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  text-align: center;
  margin-bottom: 56px;
  color: var(--fg);
}

.how-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.how-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
}

.how-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}

.ai-card::before { background: linear-gradient(90deg, var(--sage), var(--sage-light)); }
.human-card::before { background: linear-gradient(90deg, var(--accent), var(--accent-light)); }

.how-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.ai-card .how-icon { color: var(--sage); }
.human-card .how-icon { color: var(--accent); }

.how-card h3 {
  font-family: var(--serif);
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: var(--fg);
}

.how-card p {
  color: var(--fg-soft);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.how-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.how-card li {
  font-size: 0.92rem;
  color: var(--fg-soft);
  padding-left: 20px;
  position: relative;
}

.how-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.ai-card li::before { background: var(--sage); opacity: 0.5; }
.human-card li::before { background: var(--accent); opacity: 0.5; }

/* ===== FEATURES ===== */
.features {
  padding: 100px 24px;
  background: var(--bg-warm);
}

.features-inner {
  max-width: 800px;
  margin: 0 auto;
}

.features h2 {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 12px;
  color: var(--fg);
}

.features-sub {
  color: var(--fg-soft);
  font-size: 1.1rem;
  margin-bottom: 56px;
}

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

.feature-item {
  display: flex;
  gap: 28px;
  padding: 36px 0;
  border-top: 1px solid var(--border);
}

.feature-item:last-child {
  border-bottom: 1px solid var(--border);
}

.feature-num {
  font-family: var(--serif);
  font-size: 2rem;
  color: var(--accent);
  opacity: 0.4;
  flex-shrink: 0;
  width: 60px;
  line-height: 1;
  padding-top: 4px;
}

.feature-content h3 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--fg);
}

.feature-content p {
  color: var(--fg-soft);
  font-size: 0.95rem;
}

/* ===== NUMBERS ===== */
.numbers {
  padding: 80px 24px;
  background: var(--bg-deep);
}

.numbers-inner {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-num {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  color: var(--accent-light);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.5;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 24px;
  background: linear-gradient(175deg, var(--sage-light) 0%, var(--bg) 100%);
  text-align: center;
}

.closing-inner {
  max-width: 640px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  line-height: 1.3;
  color: var(--fg);
  margin-bottom: 20px;
}

.closing p {
  color: var(--fg-soft);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.closing-quiet {
  font-size: 0.92rem !important;
  color: var(--fg-muted) !important;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 48px 24px;
  background: var(--bg);
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer-brand {
  font-family: var(--serif);
  font-size: 1.3rem;
  color: var(--fg);
  margin-bottom: 6px;
}

.footer-tagline {
  font-size: 0.88rem;
  color: var(--fg-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .how-grid {
    grid-template-columns: 1fr;
  }

  .numbers-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 24px;
  }

  .feature-item {
    flex-direction: column;
    gap: 8px;
  }

  .feature-num {
    width: auto;
  }

  .hero {
    min-height: auto;
    padding: 60px 20px 48px;
  }

  .how, .features, .numbers {
    padding: 64px 20px;
  }

  .closing {
    padding: 80px 20px;
  }
}
/* ===== LANDING NAV ===== */
.landing-nav {
  position: sticky;
  top: 0;
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 50;
  padding: 0 28px;
}

.landing-nav-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-brand-text {
  font-family: var(--serif);
  font-size: 1.25rem;
  color: var(--fg);
}

.landing-nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.landing-nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--fg-soft);
  text-decoration: none;
  transition: color 0.2s;
}

.landing-nav-link:hover { color: var(--fg); }

.landing-nav-btn {
  padding: 9px 20px;
  background: var(--accent);
  color: white;
  border-radius: 100px;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s;
}

.landing-nav-btn:hover { background: var(--accent-light); }

/* ===== HERO CTAs ===== */
.btn-hero-primary {
  padding: 15px 32px;
  background: var(--accent);
  color: white;
  border-radius: 100px;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s;
  box-shadow: 0 4px 20px rgba(196, 113, 59, 0.3);
}

.btn-hero-primary:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(196, 113, 59, 0.4);
}

.btn-hero-secondary {
  padding: 15px 32px;
  border: 1.5px solid var(--border);
  background: var(--card-bg);
  color: var(--fg-soft);
  border-radius: 100px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-hero-secondary:hover {
  border-color: var(--fg-soft);
  color: var(--fg);
}