/* === BASE === */
:root {
  --cream: #FAF9F7;
  --warm-gray: #F0EFEC;
  --charcoal: #1A1A1A;
  --muted: #6B6B6B;
  --teal: #0D9488;
  --teal-light: #CCFBF1;
  --amber: #D97706;
  --border: #E5E3DE;
  --chat-bg: #F7F6F3;
  --chat-in-bg: #E8F7F5;
  --chat-out-bg: #1A1A1A;
}

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

body {
  background: var(--cream);
  color: var(--charcoal);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'DM Serif Display', serif;
  font-weight: 400;
  line-height: 1.15;
}

/* === NAV === */
.nav {
  padding: 24px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 22px;
  letter-spacing: -0.02em;
}
.nav-tag {
  font-size: 13px;
  color: var(--muted);
  font-weight: 400;
}

/* === HERO === */
.hero {
  padding: 80px 48px 96px;
}
.hero-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-headline {
  font-size: clamp(36px, 5vw, 56px);
  color: var(--charcoal);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}
.hero-lede {
  font-size: 18px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
}
.stat {
  display: flex;
  flex-direction: column;
  padding: 0 28px;
}
.stat:first-child { padding-left: 0; }
.stat-num {
  font-family: 'DM Serif Display', serif;
  font-size: 36px;
  color: var(--teal);
  line-height: 1;
}
.stat-label {
  font-size: 13px;
  color: var(--muted);
  margin-top: 6px;
}
.stat-div {
  width: 1px;
  height: 44px;
  background: var(--border);
}

/* === CHAT WINDOW === */
.hero-visual { display: flex; justify-content: center; }
.chat-window {
  background: var(--chat-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 100%;
  max-width: 360px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.08);
}
.chat-header {
  background: var(--charcoal);
  padding: 14px 16px;
  display: flex;
  align-items: center;
}
.chat-dots { display: flex; gap: 6px; }
.chat-dots span {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255,255,255,0.2);
}
.chat-body { padding: 20px 16px; display: flex; flex-direction: column; gap: 12px; }
.chat-msg {
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
  max-width: 82%;
}
.chat-in { background: var(--chat-in-bg); color: var(--charcoal); align-self: flex-start; }
.chat-out {
  background: var(--chat-out-bg);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.chat-msg-meta {
  font-size: 12px;
  color: var(--teal);
  text-align: center;
  padding: 6px;
  background: var(--teal-light);
  border-radius: 8px;
  align-self: center;
}
.chat-footer {
  border-top: 1px solid var(--border);
  padding: 14px 16px;
}
.chat-input-placeholder {
  font-size: 13px;
  color: var(--muted);
  background: var(--warm-gray);
  border-radius: 24px;
  padding: 10px 16px;
  text-align: center;
}

/* === PROBLEM === */
.problem { background: var(--charcoal); padding: 96px 48px; }
.problem-inner { max-width: 1140px; margin: 0 auto; }
.problem-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 20px;
}
.problem-headline {
  font-size: clamp(28px, 4vw, 44px);
  color: #fff;
  margin-bottom: 56px;
  max-width: 640px;
}
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-bottom: 64px;
}
.problem-card {
  padding: 32px;
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.problem-card:nth-child(odd) { border-right: none; }
.problem-card p { font-size: 16px; color: rgba(255,255,255,0.75); }
.problem-icon { font-size: 20px; color: var(--teal); }
.problem-cta {
  font-family: 'DM Serif Display', serif;
  font-size: 24px;
  color: var(--teal-light);
}

/* === HOW === */
.how { padding: 96px 48px; }
.how-inner { max-width: 1140px; margin: 0 auto; }
.how-eyebrow {
  font-size: 12px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--teal); margin-bottom: 20px;
}
.how-headline {
  font-size: clamp(28px, 4vw, 44px);
  color: var(--charcoal);
  margin-bottom: 64px;
}
.steps {
  display: flex;
  align-items: center;
  gap: 0;
}
.step {
  flex: 1;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.step-num {
  font-family: 'DM Serif Display', serif;
  font-size: 48px;
  color: var(--border);
  line-height: 1;
  flex-shrink: 0;
}
.step-body h3 {
  font-size: 20px;
  color: var(--charcoal);
  margin-bottom: 12px;
}
.step-body p { font-size: 15px; color: var(--muted); }
.step-arrow {
  width: 48px;
  height: 1px;
  background: var(--border);
  flex-shrink: 0;
  margin: 0 32px;
  position: relative;
}
.step-arrow::after {
  content: '→';
  position: absolute;
  right: -4px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--border);
  font-size: 18px;
}

/* === VERTICALS === */
.verticals { background: var(--warm-gray); padding: 96px 48px; }
.verticals-inner { max-width: 1140px; margin: 0 auto; }
.verticals-eyebrow {
  font-size: 12px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--teal); margin-bottom: 20px;
}
.verticals-headline {
  font-size: clamp(28px, 4vw, 44px);
  color: var(--charcoal);
  margin-bottom: 56px;
}
.vertical-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.vertical {
  background: var(--cream);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.vertical-icon {
  font-size: 28px;
  display: block;
  margin-bottom: 4px;
}
.vertical h3 {
  font-size: 16px;
  color: var(--charcoal);
  line-height: 1.3;
}
.vertical p { font-size: 14px; color: var(--muted); }

/* === PRICING === */
.pricing { padding: 96px 48px; }
.pricing-inner { max-width: 1140px; margin: 0 auto; }
.pricing-eyebrow {
  font-size: 12px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--teal); margin-bottom: 20px;
}
.pricing-headline {
  font-size: clamp(28px, 4vw, 44px);
  color: var(--charcoal);
  margin-bottom: 56px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 720px;
}
.pricing-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  background: var(--cream);
}
.pricing-card-accent {
  background: var(--charcoal);
  border-color: var(--charcoal);
}
.pricing-card-top { margin-bottom: 32px; }
.pricing-card h3 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}
.pricing-card-accent h3 { color: rgba(255,255,255,0.5); }
.pricing-amount {
  font-family: 'DM Serif Display', serif;
  font-size: 40px;
  color: var(--charcoal);
  line-height: 1;
  margin-bottom: 8px;
}
.pricing-card-accent .pricing-amount { color: #fff; }
.pricing-note { font-size: 14px; color: var(--muted); }
.pricing-card-accent .pricing-note { color: rgba(255,255,255,0.5); }
.pricing-features { list-style: none; }
.pricing-features li {
  font-size: 15px;
  color: var(--charcoal);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.pricing-card-accent .pricing-features li { border-color: rgba(255,255,255,0.1); color: rgba(255,255,255,0.85); }
.pricing-features li::before {
  content: '✓';
  color: var(--teal);
  font-weight: 600;
  flex-shrink: 0;
}
.pricing-card-accent .pricing-features li::before { color: var(--teal); }
.pricing-closing {
  margin-top: 40px;
  font-size: 15px;
  color: var(--muted);
}

/* === CLOSING === */
.closing { padding: 96px 48px; background: var(--teal); }
.closing-inner { max-width: 1140px; margin: 0 auto; }
.closing-headline {
  font-size: clamp(32px, 5vw, 56px);
  color: #fff;
  margin-bottom: 28px;
}
.closing-body {
  font-size: 18px;
  color: rgba(255,255,255,0.85);
  max-width: 600px;
  line-height: 1.7;
}

/* === FOOTER === */
.footer { padding: 40px 48px; border-top: 1px solid var(--border); }
.footer-inner { max-width: 1140px; margin: 0 auto; }
.footer-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 20px;
  margin-bottom: 6px;
}
.footer-tag { font-size: 14px; color: var(--muted); }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .nav { padding: 20px 24px; }
  .hero { padding: 60px 24px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { order: -1; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 16px; }
  .stat { padding: 0; }
  .stat-div { display: none; }
  .problem { padding: 64px 24px; }
  .problem-grid { grid-template-columns: 1fr; }
  .problem-card { border: none; border-bottom: 1px solid rgba(255,255,255,0.08); padding: 24px 0; }
  .how { padding: 64px 24px; }
  .steps { flex-direction: column; gap: 32px; }
  .step-arrow { display: none; }
  .vertical-grid { grid-template-columns: 1fr; }
  .pricing { padding: 64px 24px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .closing { padding: 64px 24px; }
  .footer { padding: 32px 24px; }
}