:root {
  --bg: #0C0C0F;
  --bg-elevated: #151519;
  --bg-card: #1A1A20;
  --fg: #E8E6E1;
  --fg-muted: #9B9A97;
  --fg-subtle: #6B6A68;
  --accent: #FF6B35;
  --accent-glow: #FF8C5A;
  --accent-soft: rgba(255, 107, 53, 0.12);
  --green: #2DD4A8;
  --green-soft: rgba(45, 212, 168, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --max-width: 1100px;
}

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

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

h1, h2, h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

/* ═══ HERO ═══ */
.hero {
  min-height: 90vh;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 3rem;
  padding: 4rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  background: var(--green-soft);
  color: var(--green);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(45, 212, 168, 0.2);
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  color: var(--fg);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

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

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.7;
}

/* Chat preview */
.chat-preview {
  background: var(--bg-elevated);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid rgba(255,255,255,0.06);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.chat-bubble {
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  line-height: 1.5;
  max-width: 85%;
  position: relative;
}

.chat-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.chat-bubble.incoming {
  background: var(--bg-card);
  color: var(--fg);
  align-self: flex-start;
  border: 1px solid rgba(255,255,255,0.04);
}

.chat-bubble.incoming .chat-label { color: var(--fg-subtle); }

.chat-bubble.outgoing {
  background: var(--accent-soft);
  color: var(--fg);
  align-self: flex-end;
  border: 1px solid rgba(255, 107, 53, 0.15);
}

.chat-bubble.outgoing .chat-label { color: var(--accent); }

/* ═══ PROBLEM ═══ */
.problem {
  padding: 6rem 2rem;
  background: var(--bg-elevated);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.problem-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.problem h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 3rem;
  text-align: center;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.problem-card {
  background: var(--bg);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  transition: border-color 0.2s;
}

.problem-card:hover { border-color: rgba(255, 107, 53, 0.3); }

.problem-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.problem-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: var(--fg);
}

.problem-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ═══ FEATURES ═══ */
.features {
  padding: 6rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.features h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 3rem;
}

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

.feature-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  align-items: start;
  padding: 2rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

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

.feature-number {
  font-family: 'Syne', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.4;
  line-height: 1;
}

.feature-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--fg);
}

.feature-content p {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.65;
}

/* ═══ HOW ═══ */
.how {
  padding: 6rem 2rem;
  background: var(--bg-elevated);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.how-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.how h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 3rem;
  text-align: center;
}

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 1rem;
}

.step {
  flex: 1;
  max-width: 280px;
  text-align: center;
  padding: 2rem 1.5rem;
}

.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
}

.step h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--fg);
}

.step p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.step-arrow {
  color: var(--accent);
  font-size: 1.5rem;
  margin-top: 2.8rem;
  opacity: 0.5;
}

/* ═══ CLOSING ═══ */
.closing {
  padding: 6rem 2rem;
  text-align: center;
  max-width: var(--max-width);
  margin: 0 auto;
}

.closing-badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255, 107, 53, 0.2);
  font-family: 'Syne', sans-serif;
}

.closing h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  margin-bottom: 1.2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.closing > p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

.closing-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.stat-number {
  font-family: 'Syne', sans-serif;
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.stat-source {
  color: var(--fg-subtle);
  font-size: 0.78rem;
}

/* ═══ FOOTER ═══ */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--fg);
  margin-bottom: 0.5rem;
}

.footer-brand p {
  color: var(--fg-subtle);
  font-size: 0.85rem;
  max-width: 300px;
}

.footer-right {
  text-align: right;
}

.footer-tagline {
  color: var(--fg-muted);
  font-size: 0.85rem;
  font-style: italic;
  margin-bottom: 0.3rem;
}

.footer-location {
  color: var(--fg-subtle);
  font-size: 0.8rem;
}

.footer-legal {
  max-width: var(--max-width);
  margin: 1.5rem auto 0;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.footer-legal a {
  color: var(--fg-subtle);
  text-decoration: none;
  font-size: 0.82rem;
  transition: color 0.2s;
}

.footer-legal a:hover {
  color: var(--fg-muted);
}

.footer-legal-sep {
  color: rgba(255,255,255,0.15);
  font-size: 0.82rem;
}

/* ═══ CTA BUTTONS ═══ */
.hero-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-block;
  text-decoration: none;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 14px 26px;
  font-size: 1rem;
  font-weight: 600;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  box-shadow: 0 4px 20px rgba(255,107,53,0.3);
}

.btn-primary.btn-large {
  padding: 18px 36px;
  font-size: 1.1rem;
  border-radius: 12px;
  box-shadow: 0 6px 30px rgba(255,107,53,0.4);
}

.btn-primary:hover {
  background: var(--accent-glow);
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(255,107,53,0.45);
}

.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 13px 22px;
  transition: color 0.15s, border-color 0.15s;
}

.btn-ghost:hover {
  color: var(--fg);
  border-color: rgba(255,255,255,0.25);
}

/* ═══ CLOSING CTA ═══ */
.closing-cta {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.closing-fine {
  color: var(--fg-subtle);
  font-size: 0.85rem;
  margin: 0;
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 3rem 1.5rem;
    gap: 2rem;
  }

  .problem-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    flex-direction: column;
    align-items: center;
  }

  .step-arrow {
    transform: rotate(90deg);
    margin: 0;
  }

  .closing-stats {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .footer-right { text-align: left; }

  .feature-item {
    grid-template-columns: 50px 1fr;
    gap: 1rem;
  }

  .feature-number { font-size: 1.8rem; }
}