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

:root {
  --bg: #F5F0EC;
  --bg-alt: #EDE8E2;
  --accent: #E63946;
  --accent-dark: #C1121F;
  --text: #1A1A1A;
  --text-muted: #6B6B6B;
  --white: #FFFFFF;
  --border: #D9D3CB;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* NAV */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 240, 236, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-logo {
  font-family: 'Syne', system-ui, sans-serif;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text);
  letter-spacing: -0.02em;
}
.nav-badge {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.02em;
}

/* HERO */
.hero {
  padding: 80px 0 64px;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-overline {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: 'Syne', system-ui, sans-serif;
  font-weight: 800;
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  line-height: 1.05;
  color: var(--text);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 440px;
}

/* CHAT BUBBLES */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.chat-bubble {
  border-radius: 16px;
  padding: 12px 16px;
  max-width: 340px;
  font-size: 0.875rem;
  line-height: 1.5;
  position: relative;
}
.chat-bubble p { margin-bottom: 4px; }
.chat-time {
  font-size: 0.7rem;
  color: rgba(0,0,0,0.4);
  display: block;
}
.chat-bubble--incoming {
  background: var(--white);
  border: 1px solid var(--border);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.chat-bubble--outgoing {
  background: var(--accent);
  color: var(--white);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.chat-bubble--outgoing .chat-time { color: rgba(255,255,255,0.7); }
.deal-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #E8F5E9;
  border: 1px solid #A5D6A7;
  border-radius: 20px;
  padding: 8px 14px;
  font-size: 0.8rem;
  font-weight: 500;
  color: #2E7D32;
  margin-top: 6px;
  align-self: flex-start;
}
.deal-tag::before {
  content: '✓';
  font-size: 0.75rem;
}

/* SECTIONS */
.section-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-title {
  font-family: 'Syne', system-ui, sans-serif;
  font-weight: 700;
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: 1.1;
  color: var(--text);
  letter-spacing: -0.025em;
}

/* FEATURES */
.features {
  padding: 80px 0;
  background: var(--white);
}
.features-header {
  max-width: 1200px;
  margin: 0 auto 60px;
  padding: 0 32px;
}
.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.feature-card {
  background: var(--white);
  padding: 36px 32px;
}
.feature-icon {
  color: var(--accent);
  margin-bottom: 18px;
}
.feature-card h3 {
  font-family: 'Syne', system-ui, sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 10px;
  color: var(--text);
}
.feature-card p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-muted);
}

/* HOW */
.how {
  padding: 80px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.how-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.how-desc {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-top: 20px;
  max-width: 400px;
}
.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.step:last-child { border-bottom: none; }
.step-num {
  font-family: 'Syne', system-ui, sans-serif;
  font-weight: 800;
  font-size: 0.75rem;
  color: var(--accent);
  padding-top: 4px;
  letter-spacing: 0.05em;
}
.step-content h4 {
  font-family: 'Syne', system-ui, sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 6px;
}
.step-content p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-muted);
}

/* CLOSING */
.closing {
  padding: 100px 0;
  text-align: center;
}
.closing-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 32px;
}
.closing-overline {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}
.closing-headline {
  font-family: 'Syne', system-ui, sans-serif;
  font-weight: 800;
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  line-height: 1.08;
  color: var(--text);
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}
.closing-sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 40px;
}
.closing-tag {
  display: inline-block;
  font-family: 'Syne', system-ui, sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  border: 2px solid var(--accent);
  border-radius: 30px;
  padding: 10px 24px;
}

/* FOOTER */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-logo {
  font-family: 'Syne', system-ui, sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--text);
  display: block;
  margin-bottom: 8px;
}
.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.footer-meta p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner, .how-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    order: -1;
  }
}
@media (max-width: 600px) {
  .nav-inner { padding: 14px 20px; }
  .hero-inner, .features-header, .how-inner, .closing-inner, .footer-inner {
    padding: 0 20px;
  }
  .hero { padding: 48px 0 40px; }
  .features, .how { padding: 56px 0; }
  .closing { padding: 64px 0; }
  .footer-inner { flex-direction: column; gap: 20px; align-items: flex-start; }
}