:root {
  --bg: #f7f5f0;
  --bg-alt: #ffffff;
  --fg: #1a1a1a;
  --fg-muted: #5c5c5c;
  --accent: #1a3a2a;
  --accent-light: #2d5c45;
  --lime: #c8ff00;
  --lime-dark: #a8d900;
  --border: #e2ddd5;
  --chat-user-bg: #c8ff00;
  --chat-user-fg: #1a1a1a;
  --chat-bot-bg: #f0ede6;
  --chat-bot-fg: #1a1a1a;
  --confirm-bg: #d4f5c8;
}

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

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

/* NAV */
.nav {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--accent);
}
.nav-tagline {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* HERO */
.hero {
  padding: 80px 0 60px;
  background: var(--accent);
  color: white;
}
.hero-grid {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  background: var(--lime);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 2px;
  margin-bottom: 24px;
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  color: white;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 28px;
  max-width: 420px;
}
.hero-channels {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.channel-chip {
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
  font-size: 0.78rem;
  padding: 5px 12px;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.2);
}

/* DEMO WINDOW */
.demo-window {
  background: #1e1e1e;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  font-size: 0.85rem;
}
.demo-header {
  background: #2a2a2a;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.demo-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.demo-dot.red { background: #ff5f57; }
.demo-dot.yellow { background: #febc2e; }
.demo-dot.green { background: #28c840; }
.demo-url {
  color: #888;
  font-size: 0.75rem;
  margin-left: 10px;
}
.demo-body {
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 420px;
  overflow: hidden;
}
.chat-bubble {
  max-width: 78%;
  padding: 10px 14px;
  border-radius: 12px;
  line-height: 1.5;
}
.chat-bubble.user {
  background: var(--lime);
  color: var(--fg);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.chat-bubble.bot {
  background: var(--chat-bot-bg);
  color: var(--fg);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.chat-bubble.confirm {
  background: var(--confirm-bg);
}
.demo-time {
  font-size: 0.7rem;
  color: #666;
  text-align: right;
  margin-top: 4px;
}

/* SECTION SHARED */
.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--fg);
  line-height: 1.2;
  margin-bottom: 48px;
}

/* PROBLEM */
.problem {
  padding: 80px 0;
  background: #faf8f3;
}
.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
.problem-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 12px;
}
.problem-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--fg);
  max-width: 600px;
  margin-bottom: 48px;
}
.problem-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  border-top: 1px solid var(--border);
  padding-top: 40px;
}
.stat-number {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
}
.stat-desc {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.4;
}

/* HOW IT WORKS */
.howitworks {
  padding: 80px 0;
  background: white;
}
.howitworks .section-headline {
  max-width: 600px;
}
.howitworks, .features, .packages, .closing {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 24px;
}
.flow-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  overflow-x: auto;
  padding-bottom: 8px;
}
.flow-step {
  flex: 1;
  min-width: 180px;
}
.flow-arrow {
  flex-shrink: 0;
  color: var(--fg-muted);
  padding-top: 24px;
  padding: 24px 12px 0;
}
.step-number {
  font-family: 'Syne', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--lime-dark);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}
.step-content h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 8px;
}
.step-content p {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* FEATURES */
.features {
  background: var(--bg);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
}
.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--lime);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--accent);
}
.feature-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* PACKAGES */
.packages {
  background: white;
  padding: 80px 24px;
}
.packages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.package-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  position: relative;
  background: var(--bg);
}
.package-card.featured {
  border: 2px solid var(--accent);
  background: var(--accent);
  color: white;
}
.package-card.featured .package-name,
.package-card.featured .package-price,
.package-card.featured .package-setup,
.package-card.featured .package-features li,
.package-card.featured .package-tag {
  color: white;
}
.package-card.featured .package-features li::before {
  background: rgba(255,255,255,0.4);
}
.package-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--lime);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 14px;
  border-radius: 100px;
}
.package-name {
  font-family: 'Syne', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
}
.package-price {
  font-family: 'Syne', sans-serif;
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}
.package-card.featured .package-price {
  color: white;
}
.per-month {
  font-size: 1rem;
  font-weight: 500;
}
.package-setup {
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-bottom: 24px;
}
.package-card.featured .package-setup {
  color: rgba(255,255,255,0.7);
}
.package-features {
  list-style: none;
  margin-bottom: 24px;
}
.package-features li {
  font-size: 0.88rem;
  color: var(--fg-muted);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.package-features li:last-child {
  border-bottom: none;
}
.package-features li::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  background: var(--lime);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 3px;
}
.package-card.featured .package-features li::before {
  background: rgba(255,255,255,0.3);
}
.package-tag {
  font-size: 0.75rem;
  color: var(--fg-muted);
  font-style: italic;
}

/* CLOSING */
.closing {
  background: var(--accent);
  color: white;
  text-align: center;
  padding: 80px 24px;
  border-radius: 0;
}
.closing .section-label {
  color: var(--lime);
}
.closing .section-headline {
  color: white;
}
.closing-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  margin: 0 auto 56px;
}
.closing-proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
}
.proof-stat {
  text-align: center;
}
.proof-number {
  display: block;
  font-family: 'Syne', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--lime);
  margin-bottom: 6px;
}
.proof-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  max-width: 140px;
}
.proof-divider {
  width: 1px;
  height: 60px;
  background: rgba(255,255,255,0.2);
}

/* FOOTER */
.footer {
  background: #111;
  color: rgba(255,255,255,0.5);
  padding: 48px 0;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: white;
  display: block;
  margin-bottom: 8px;
}
.footer-desc {
  font-size: 0.82rem;
  max-width: 400px;
  line-height: 1.5;
}
.footer-meta {
  font-size: 0.8rem;
}

/* MOBILE */
@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-right {
    order: -1;
  }
  .problem-stats {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .packages-grid {
    grid-template-columns: 1fr;
  }
  .closing-proof {
    flex-direction: column;
    gap: 24px;
  }
  .proof-divider {
    display: none;
  }
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
  .flow-arrow {
    display: none;
  }
  .flow-steps {
    flex-direction: column;
    gap: 24px;
  }
  .flow-step {
    min-width: unset;
  }
  .chat-bubble {
    max-width: 90%;
  }
}