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

:root {
  --bg: #faf9f7;
  --fg: #1a1a2e;
  --accent: #e8622a;
  --accent-light: #fef0e8;
  --green: #22c55e;
  --muted: #6b7280;
  --border: #e8e4df;
  --surface: #ffffff;
  --hero-accent: #1a1a2e;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* NAV */
.nav { background: var(--bg); border-bottom: 1px solid var(--border); }
.nav-inner { max-width: 1160px; margin: 0 auto; padding: 18px 32px; display: flex; align-items: baseline; gap: 16px; }
.nav-logo { font-family: 'DM Serif Display', serif; font-size: 22px; color: var(--fg); }
.nav-logo strong { color: var(--accent); }
.nav-tagline { font-size: 13px; color: var(--muted); font-weight: 500; letter-spacing: 0.02em; }

/* HERO */
.hero { padding: 80px 32px 96px; }
.hero-grid { max-width: 1160px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.hero-content {}
.hero-headline { font-size: clamp(42px, 5.5vw, 68px); color: var(--fg); margin-bottom: 24px; letter-spacing: -0.02em; }
.hero-lede { font-size: 18px; color: var(--muted); margin-bottom: 40px; max-width: 520px; line-height: 1.7; }

/* AI DEMO */
.hero-ai-demo { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; box-shadow: 0 4px 24px rgba(0,0,0,0.06); }
.ai-badge { display: flex; align-items: center; gap: 8px; padding: 12px 20px; border-bottom: 1px solid var(--border); font-size: 13px; font-weight: 600; color: var(--accent); background: var(--accent-light); }
.ai-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.chat-window { padding: 20px; display: flex; flex-direction: column; gap: 8px; }
.chat-line { font-size: 13px; line-height: 1.5; padding: 8px 12px; border-radius: 10px; }
.chat-incoming { background: #f3f4f6; color: #374151; }
.chat-ai { background: var(--accent-light); color: var(--accent); font-weight: 500; border-left: 3px solid var(--accent); }
.chat-patient { background: #fef9f7; color: #92400e; }
.ai-caption { padding: 12px 20px; font-size: 12px; color: var(--muted); border-top: 1px solid var(--border); }

/* PHONE MOCKUP */
.hero-visual { display: flex; justify-content: center; }
.phone-mockup { width: 280px; background: var(--hero-accent); border-radius: 40px; padding: 16px; box-shadow: 0 20px 60px rgba(0,0,0,0.18), 0 0 0 1px rgba(255,255,255,0.1) inset; }
.phone-screen { background: #fff; border-radius: 28px; overflow: hidden; height: 460px; display: flex; flex-direction: column; }
.phone-header { display: flex; align-items: center; gap: 12px; padding: 16px; background: var(--accent); color: #fff; }
.phone-avatar { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.3); flex-shrink: 0; }
.phone-name { font-size: 14px; font-weight: 700; }
.phone-status { font-size: 11px; opacity: 0.8; display: flex; align-items: center; gap: 4px; margin-top: 2px; }
.phone-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); display: inline-block; }
.phone-messages { flex: 1; padding: 12px; display: flex; flex-direction: column; gap: 8px; overflow: auto; }
.msg { padding: 8px 12px; border-radius: 12px; font-size: 12px; line-height: 1.5; max-width: 85%; }
.incoming { background: #f3f4f6; color: #374151; align-self: flex-start; }
.outgoing { background: var(--accent); color: #fff; align-self: flex-end; }
.phone-input { padding: 12px 16px; border-top: 1px solid var(--border); font-size: 12px; color: var(--muted); background: #fafafa; }

/* SECTION SHARED */
.section-label { font-size: 12px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.section-heading { font-size: clamp(28px, 3.5vw, 42px); color: var(--fg); margin-bottom: 48px; }

/* PROBLEM */
.problem { background: var(--fg); color: #fff; padding: 80px 32px; }
.problem-inner { max-width: 1160px; margin: 0 auto; }
.problem-label { font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255,255,255,0.5); margin-bottom: 40px; }
.problem-stats { display: flex; align-items: stretch; gap: 0; margin-bottom: 48px; }
.problem-stat { flex: 1; padding: 0 40px; }
.problem-stat:first-child { padding-left: 0; }
.problem-stat:last-child { padding-right: 0; }
.problem-divider { width: 1px; background: rgba(255,255,255,0.15); flex-shrink: 0; }
.stat-number { display: block; font-family: 'DM Serif Display', serif; font-size: 56px; color: var(--accent); line-height: 1; margin-bottom: 12px; }
.stat-text { font-size: 15px; color: rgba(255,255,255,0.7); line-height: 1.5; }
.problem-conclusion { font-size: 20px; color: rgba(255,255,255,0.85); max-width: 680px; line-height: 1.6; font-style: italic; }

/* HOW IT WORKS */
.howitworks { padding: 96px 32px; }
.howitworks-inner { max-width: 1160px; margin: 0 auto; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; }
.step {}
.step-num { display: block; font-family: 'DM Serif Display', serif; font-size: 48px; color: var(--border); margin-bottom: 16px; }
.step-title { font-size: 18px; font-weight: 700; color: var(--fg); margin-bottom: 12px; font-family: 'Plus Jakarta Sans', sans-serif; }
.step-desc { font-size: 15px; color: var(--muted); line-height: 1.7; }

/* SERVICES */
.services { background: var(--surface); padding: 96px 32px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.services-inner { max-width: 1160px; margin: 0 auto; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.service-card { padding: 32px; border: 1px solid var(--border); border-radius: 16px; background: var(--bg); transition: transform 0.2s, box-shadow 0.2s; }
.service-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.07); }
.service-icon { width: 52px; height: 52px; background: var(--accent-light); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--accent); margin-bottom: 20px; }
.service-title { font-size: 17px; font-weight: 700; color: var(--fg); margin-bottom: 10px; font-family: 'Plus Jakarta Sans', sans-serif; }
.service-desc { font-size: 14px; color: var(--muted); line-height: 1.65; }

/* ROI */
.roi { padding: 96px 32px; }
.roi-inner { max-width: 1160px; margin: 0 auto; }
.roi-content { max-width: 860px; }
.roi-body { font-size: 18px; color: var(--muted); margin-bottom: 48px; line-height: 1.7; max-width: 680px; }
.roi-comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 40px; }
.roi-card { padding: 32px; border-radius: 16px; border: 2px solid; }
.roi-wrong { border-color: var(--border); background: var(--bg); }
.roi-right { border-color: var(--accent); background: var(--accent-light); }
.roi-card-label { display: block; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.roi-wrong .roi-card-label { color: var(--muted); }
.roi-right .roi-card-label { color: var(--accent); }
.roi-card-stat { display: block; font-family: 'DM Serif Display', serif; font-size: 48px; color: var(--fg); line-height: 1; margin-bottom: 4px; }
.roi-card-sub { display: block; font-size: 13px; color: var(--muted); margin-bottom: 24px; }
.roi-card-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.roi-card-list li { font-size: 14px; color: var(--muted); padding-left: 20px; position: relative; }
.roi-card-list li::before { content: ''; position: absolute; left: 0; top: 8px; width: 8px; height: 8px; border-radius: 50%; }
.roi-right .roi-card-list li::before { background: var(--accent); }
.roi-wrong .roi-card-list li { opacity: 0.5; }
.roi-closing { font-size: 17px; color: var(--fg); font-weight: 500; font-style: italic; }

/* CLOSING */
.closing { background: var(--accent); color: #fff; padding: 96px 32px; }
.closing-inner { max-width: 800px; margin: 0 auto; text-align: center; }
.closing-headline { font-family: 'DM Serif Display', serif; font-size: clamp(32px, 4vw, 52px); margin-bottom: 24px; color: #fff; }
.closing-body { font-size: 18px; color: rgba(255,255,255,0.85); margin-bottom: 16px; line-height: 1.7; }
.closing-sub { font-size: 20px; font-weight: 700; color: #fff; }

/* FOOTER */
.footer { background: var(--fg); color: rgba(255,255,255,0.5); padding: 48px 32px; }
.footer-inner { max-width: 1160px; margin: 0 auto; display: flex; justify-content: space-between; align-items: flex-start; gap: 32px; }
.footer-logo { font-family: 'DM Serif Display', serif; font-size: 24px; color: #fff; display: block; margin-bottom: 8px; }
.footer-logo strong { color: var(--accent); }
.footer-tagline { font-size: 13px; }
.footer-copy { font-size: 14px; max-width: 400px; line-height: 1.6; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .problem-stats { flex-direction: column; gap: 32px; }
  .problem-stat { padding: 0; }
  .problem-divider { display: none; }
  .steps { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .roi-comparison { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
}
@media (max-width: 600px) {
  .hero { padding: 48px 20px 64px; }
  .problem, .howitworks, .services, .roi, .closing { padding: 64px 20px; }
  .services-grid { grid-template-columns: 1fr; }
  .stat-number { font-size: 40px; }
}