:root {
  --bg-primary: #FAFBFE;
  --bg-dark: #0A1628;
  --bg-card: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.7);
  --text-primary: #0A1628;
  --text-secondary: #4A5568;
  --text-muted: #8896AB;
  --accent: #2563EB;
  --accent-light: #3B82F6;
  --accent-glow: rgba(37, 99, 235, 0.12);
  --cyan: #06B6D4;
  --cyan-light: #22D3EE;
  --cyan-glow: rgba(6, 182, 212, 0.1);
  --success: #10B981;
  --warning: #F59E0B;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.06);
  --shadow-md: 0 4px 24px rgba(10, 22, 40, 0.08);
  --shadow-lg: 0 12px 48px rgba(10, 22, 40, 0.1);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(250, 251, 254, 0.85);
  border-bottom: 1px solid rgba(10, 22, 40, 0.06);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: -0.5px;
}
.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--text-primary);
}
.nav-links {
  display: flex;
  gap: 32px;
}
.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: default;
}

/* HERO */
.hero {
  padding: 160px 24px 100px;
  text-align: center;
  background: linear-gradient(180deg, #EFF4FF 0%, var(--bg-primary) 100%);
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: var(--accent-glow);
  border: 1px solid rgba(37, 99, 235, 0.15);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 32px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: var(--text-primary);
}
.hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 56px;
}
.hero-metrics {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.metric-value {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.metric-label {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}
.metric-divider {
  width: 1px;
  height: 48px;
  background: rgba(10, 22, 40, 0.1);
}

/* PROBLEM */
.problem {
  padding: 100px 24px;
  background: var(--bg-dark);
}
.section-container {
  max-width: 1100px;
  margin: 0 auto;
}
.problem-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.problem-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.problem-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 40px 32px;
  backdrop-filter: blur(10px);
}
.problem-stat {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--cyan-light);
  margin-bottom: 16px;
}
.problem-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.6;
}

/* FEATURES */
.features {
  padding: 100px 24px;
}
.features-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.features-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 72px;
  color: var(--text-primary);
}
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 80px;
}
.feature-block-right .feature-content {
  order: -1;
}
.feature-name {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.feature-desc {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* Mock Dashboard */
.mock-dashboard, .mock-crm, .mock-campaigns, .mock-content {
  background: var(--bg-card);
  border: 1px solid rgba(10, 22, 40, 0.08);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-lg);
}
.mock-row {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}
.mock-stat-card {
  flex: 1;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  padding: 20px;
}
.mock-stat-card.accent {
  background: linear-gradient(135deg, var(--accent), var(--cyan));
}
.mock-stat-card.accent .mock-stat-num,
.mock-stat-card.accent .mock-stat-lbl {
  color: #FFFFFF;
}
.mock-stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
}
.mock-stat-lbl {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}
.mock-chart {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 100px;
  padding: 8px 0;
}
.mock-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--accent-light), var(--cyan));
  border-radius: 6px 6px 2px 2px;
  min-height: 8px;
  opacity: 0.8;
}

/* Mock CRM */
.crm-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(10, 22, 40, 0.06);
}
.crm-row:last-child { border-bottom: none; }
.crm-avatar {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  color: var(--accent);
  flex-shrink: 0;
}
.crm-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex: 1;
}
.crm-name {
  font-weight: 600;
  font-size: 14px;
}
.crm-status {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
}
.status-booked { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.status-followup { background: rgba(245, 158, 11, 0.1); color: var(--warning); }
.status-new { background: var(--accent-glow); color: var(--accent); }

/* Mock Campaigns */
.campaign-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}
.campaign-card:last-child { margin-bottom: 0; }
.campaign-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent-glow), var(--cyan-glow));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.campaign-info { display: flex; flex-direction: column; gap: 4px; }
.campaign-name { font-weight: 600; font-size: 14px; }
.campaign-metric { font-size: 12px; color: var(--text-muted); }

/* Mock Content */
.content-card {
  padding: 20px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}
.content-card:last-child { margin-bottom: 0; }
.content-type {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}
.content-preview {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
  font-style: italic;
}

/* Features Extra */
.features-extra {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 20px;
}
.extra-card {
  background: var(--bg-card);
  border: 1px solid rgba(10, 22, 40, 0.06);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
}
.extra-icon {
  font-size: 28px;
  margin-bottom: 16px;
}
.extra-card h4 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}
.extra-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* CLINICS */
.clinics {
  padding: 100px 24px;
  background: linear-gradient(180deg, var(--bg-primary) 0%, #EFF4FF 50%, var(--bg-primary) 100%);
}
.clinics-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.clinics-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}
.clinics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.clinic-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow-md);
}
.clinic-emoji {
  font-size: 36px;
  margin-bottom: 20px;
}
.clinic-card h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.clinic-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* CLOSING */
.closing {
  padding: 120px 24px;
  background: var(--bg-dark);
  text-align: center;
}
.closing-content {
  max-width: 680px;
  margin: 0 auto;
}
.closing-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.closing-desc {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 40px;
}
.closing-tagline {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent-light), var(--cyan-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* FOOTER */
.footer {
  padding: 40px 24px;
  background: var(--bg-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-brand .logo-mark {
  width: 30px;
  height: 30px;
  font-size: 11px;
}
.footer-brand .logo-text {
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
}
.footer-copy {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero { padding: 120px 20px 80px; }
  .hero-metrics { gap: 24px; }
  .metric-divider { display: none; }
  .problem-grid { grid-template-columns: 1fr; }
  .feature-block { grid-template-columns: 1fr; gap: 32px; }
  .feature-block-right .feature-content { order: 0; }
  .features-extra { grid-template-columns: 1fr; }
  .clinics-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
}

@media (max-width: 480px) {
  .clinics-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 36px; }
  .problem-stat { font-size: 36px; }
}