/* ============================================================
   CareBook SaaS Landing Page — Style Sheet
   Design: B2B Healthcare SaaS, Trust-focused, Korean Market
   ============================================================ */

/* ============================================================
   0. CSS Variables & Reset
   ============================================================ */
:root {
  /* Colors */
  --primary: #2563EB;
  --primary-dark: #1D4ED8;
  --primary-light: #3B82F6;
  --secondary: #0EA5E9;
  --accent: #6366F1;
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  --purple: #8B5CF6;
  --orange: #F97316;

  /* Neutrals */
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;

  /* Typography */
  --font-kr: 'Pretendard', 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  --font-en: 'Inter', sans-serif;

  /* Spacing */
  --section-py: 96px;
  --container-max: 1200px;
  --container-px: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.12), 0 8px 20px rgba(0,0,0,0.08);
  --shadow-primary: 0 4px 24px rgba(37, 99, 235, 0.35);

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition: 0.25s ease;
  --transition-slow: 0.4s ease;
}

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

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

body {
  font-family: var(--font-kr);
  color: var(--gray-800);
  background: #fff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea {
  font-family: var(--font-kr);
  font-size: 1rem;
}

/* ============================================================
   1. Layout Utilities
   ============================================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   2. Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.45);
}

.btn-outline {
  border-color: var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--gray-600);
  background: transparent;
}
.btn-ghost:hover {
  color: var(--primary);
  background: var(--gray-50);
}

.btn-lg {
  padding: 14px 30px;
  font-size: 1rem;
}

.btn-xl {
  padding: 16px 36px;
  font-size: 1.05rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ============================================================
   3. Section Common
   ============================================================ */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}

.section-badge {
  display: inline-block;
  background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(99,102,241,0.1));
  color: var(--primary);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 5px 14px;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.6rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--gray-900);
  margin-bottom: 18px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--gray-500);
  line-height: 1.8;
}

/* ============================================================
   4. Navigation
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}

.navbar.scrolled {
  border-bottom-color: var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--gray-900);
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 1rem;
}

.logo-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--primary); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all var(--transition);
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: #fff;
  border-top: 1px solid var(--gray-200);
  padding: 16px var(--container-px);
  gap: 4px;
}

.mobile-link {
  padding: 12px 0;
  font-weight: 500;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
}

.mobile-cta {
  margin-top: 12px;
  text-align: center;
  justify-content: center;
}

/* ============================================================
   5. Hero Section
   ============================================================ */
.hero {
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
  background: linear-gradient(160deg, #F0F6FF 0%, #FAF5FF 50%, #F0F6FF 100%);
}

.hero-bg-decoration {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-circle {
  position: absolute;
  border-radius: 50%;
}

.hero-circle-1 {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -100px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
}

.hero-circle-2 {
  width: 400px;
  height: 400px;
  bottom: -100px;
  left: -100px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
  position: relative;
  z-index: 1;
}

.hero-content { max-width: 560px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: var(--radius-full);
  padding: 6px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}

.hero-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 900;
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--gray-600);
  line-height: 1.85;
  margin-bottom: 36px;
}

.hero-desc strong { color: var(--gray-900); font-weight: 700; }

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-note {
  font-size: 0.82rem;
  color: var(--gray-500);
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}

.hero-note i {
  color: var(--success);
  margin-right: 2px;
}

/* Dashboard Mockup */
.hero-visual {
  display: flex;
  justify-content: center;
}

.dashboard-mockup {
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  width: 100%;
  max-width: 480px;
  border: 1px solid var(--gray-200);
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}

.mockup-dots { display: flex; gap: 6px; }
.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot.red { background: #FF5F57; }
.dot.yellow { background: #FEBC2E; }
.dot.green { background: #28C840; }

.mockup-title {
  font-size: 0.8rem;
  color: var(--gray-500);
  font-weight: 500;
}

.mockup-body { padding: 16px; display: flex; flex-direction: column; gap: 14px; }

.mockup-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px 8px;
  border-radius: var(--radius-md);
  text-align: center;
  gap: 6px;
}

.stat-card.stat-blue { background: rgba(37, 99, 235, 0.06); }
.stat-card.stat-green { background: rgba(16, 185, 129, 0.06); }
.stat-card.stat-red { background: rgba(239, 68, 68, 0.06); }

.stat-icon { font-size: 1.2rem; }
.stat-card.stat-blue .stat-icon { color: var(--primary); }
.stat-card.stat-green .stat-icon { color: var(--success); }
.stat-card.stat-red .stat-icon { color: var(--danger); }

.stat-label { font-size: 0.68rem; color: var(--gray-500); font-weight: 500; }
.stat-value { font-size: 1rem; font-weight: 800; color: var(--gray-800); }

.mockup-schedule {
  background: var(--gray-50);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.schedule-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  background: var(--gray-100);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-600);
}

.schedule-badge {
  background: var(--primary);
  color: #fff;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.68rem;
}

.schedule-list { padding: 4px 0; }

.schedule-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--gray-200);
  transition: background var(--transition);
}
.schedule-item:last-child { border-bottom: none; }

.schedule-item .time {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-500);
  min-width: 36px;
}

.schedule-item .patient {
  flex: 1;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--gray-700);
}

.tag {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.tag-confirmed { background: rgba(16,185,129,0.12); color: #059669; }
.tag-warning { background: rgba(239,68,68,0.12); color: #DC2626; }
.tag-online { background: rgba(37,99,235,0.12); color: var(--primary); }

.schedule-item.warning { background: rgba(239, 68, 68, 0.03); }

.mockup-notification {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: linear-gradient(135deg, rgba(254, 229, 0, 0.08), rgba(254, 229, 0, 0.04));
  border: 1px solid rgba(254, 229, 0, 0.3);
  border-radius: var(--radius-md);
}

.notif-icon { font-size: 1.5rem; color: #FEE500; }
.notif-content { flex: 1; }
.notif-title { display: block; font-size: 0.75rem; font-weight: 700; color: var(--gray-800); }
.notif-desc { display: block; font-size: 0.68rem; color: var(--gray-500); }
.notif-time { font-size: 0.65rem; color: var(--gray-400); white-space: nowrap; }

/* ============================================================
   6. Trust Bar
   ============================================================ */
.trust-bar {
  background: var(--gray-900);
  padding: 32px 0;
}

.trust-label {
  text-align: center;
  font-size: 0.8rem;
  color: var(--gray-500);
  font-weight: 500;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.trust-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 32px;
}

.trust-logo-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--gray-500);
  font-size: 0.88rem;
  font-weight: 600;
  transition: color var(--transition);
}

.trust-logo-item:hover { color: var(--gray-300); }
.trust-logo-item i { font-size: 1rem; color: var(--gray-600); }

/* ============================================================
   7. Stats Section
   ============================================================ */
.stats-section {
  padding: var(--section-py) 0;
  background: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-big-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 36px 24px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-big-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  opacity: 0;
  transition: opacity var(--transition);
  background: linear-gradient(135deg, rgba(37,99,235,0.04), rgba(99,102,241,0.04));
}

.stat-big-card:hover::before { opacity: 1; }
.stat-big-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat-big-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  font-size: 1.4rem;
  margin: 0 auto 20px;
}

.stat-big-icon.blue { background: rgba(37,99,235,0.1); color: var(--primary); }
.stat-big-icon.red { background: rgba(239,68,68,0.1); color: var(--danger); }
.stat-big-icon.green { background: rgba(16,185,129,0.1); color: var(--success); }
.stat-big-icon.purple { background: rgba(139,92,246,0.1); color: var(--purple); }

.stat-big-number {
  font-size: 3rem;
  font-weight: 900;
  color: var(--gray-900);
  display: inline-block;
  line-height: 1;
  font-family: var(--font-en);
}

.stat-big-unit {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gray-600);
  display: inline-block;
  vertical-align: top;
  margin-top: 8px;
}

.stat-big-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-700);
  margin: 14px 0 8px;
}

.stat-big-source {
  font-size: 0.72rem;
  color: var(--gray-400);
}

/* ============================================================
   8. Features Section
   ============================================================ */
.features-section {
  padding: var(--section-py) 0;
  background: linear-gradient(160deg, #F8FAFC 0%, #F0F6FF 100%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 32px;
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.feature-main {
  grid-column: span 1;
}

.feature-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.feature-icon-wrap.blue { background: rgba(37,99,235,0.1); color: var(--primary); }
.feature-icon-wrap.red { background: rgba(239,68,68,0.1); color: var(--danger); }
.feature-icon-wrap.green { background: rgba(16,185,129,0.1); color: var(--success); }
.feature-icon-wrap.purple { background: rgba(139,92,246,0.1); color: var(--purple); }
.feature-icon-wrap.orange { background: rgba(249,115,22,0.1); color: var(--orange); }

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.75;
  margin-bottom: 18px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--gray-600);
  font-weight: 500;
}

.feature-list li i.fa-check { color: var(--success); font-size: 0.75rem; }

/* ============================================================
   9. How It Works
   ============================================================ */
.how-section {
  padding: var(--section-py) 0;
  background: var(--gray-900);
}

.how-section .section-badge {
  background: rgba(37, 99, 235, 0.2);
  border-color: rgba(37, 99, 235, 0.4);
  color: var(--primary-light);
}

.how-section .section-title { color: #fff; }
.how-section .section-desc { color: var(--gray-400); }

.how-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  justify-content: center;
}

.how-step {
  flex: 1;
  max-width: 300px;
  text-align: center;
  position: relative;
}

.step-num {
  font-size: 4rem;
  font-weight: 900;
  color: rgba(255,255,255,0.06);
  line-height: 1;
  margin-bottom: -20px;
  font-family: var(--font-en);
}

.step-content {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  backdrop-filter: blur(8px);
  transition: all var(--transition);
}

.step-content:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(37, 99, 235, 0.4);
  transform: translateY(-4px);
}

.step-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  margin: 0 auto 20px;
  box-shadow: var(--shadow-primary);
}

.step-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.step-content p {
  font-size: 0.88rem;
  color: var(--gray-400);
  line-height: 1.75;
}

.how-step-arrow {
  display: flex;
  align-items: center;
  padding: 0 16px;
  margin-top: 60px;
  color: var(--gray-600);
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* ============================================================
   10. Testimonials
   ============================================================ */
.testimonials-section {
  padding: var(--section-py) 0;
  background: #fff;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.testimonial-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 32px;
  position: relative;
  transition: all var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.featured-testimonial {
  background: linear-gradient(135deg, #F0F6FF, #FAF5FF);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.testimonial-stars i { color: var(--warning); font-size: 0.85rem; }

.testimonial-text {
  font-size: 0.92rem;
  color: var(--gray-700);
  line-height: 1.8;
  margin-bottom: 24px;
  position: relative;
}

.testimonial-text::before {
  content: '"';
  font-size: 3rem;
  color: var(--primary);
  opacity: 0.2;
  position: absolute;
  top: -16px;
  left: -4px;
  line-height: 1;
  font-family: Georgia, serif;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}

.author-avatar.blue { background: linear-gradient(135deg, var(--primary), var(--secondary)); }
.author-avatar.green { background: linear-gradient(135deg, var(--success), #34D399); }
.author-avatar.purple { background: linear-gradient(135deg, var(--purple), var(--accent)); }

.author-info { flex: 1; }
.author-info strong { display: block; font-size: 0.9rem; color: var(--gray-800); }
.author-info span { display: block; font-size: 0.78rem; color: var(--gray-500); }

.testimonial-result {
  text-align: right;
}

.result-num {
  display: block;
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--success);
  font-family: var(--font-en);
  line-height: 1;
}

.result-label {
  font-size: 0.68rem;
  color: var(--gray-500);
}

/* Results Bar */
.results-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  background: var(--gray-900);
  border-radius: var(--radius-xl);
  padding: 40px;
}

.result-item {
  flex: 1;
  text-align: center;
}

.result-big-num {
  display: block;
  font-size: 2.8rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  margin-bottom: 8px;
  font-family: var(--font-en);
}

.result-unit {
  font-size: 1.4rem;
  color: var(--primary-light);
}

.result-desc {
  display: block;
  font-size: 0.82rem;
  color: var(--gray-500);
  font-weight: 500;
}

.result-divider {
  width: 1px;
  height: 60px;
  background: rgba(255,255,255,0.1);
  flex-shrink: 0;
}

/* ============================================================
   11. Pricing
   ============================================================ */
.pricing-section {
  padding: var(--section-py) 0;
  background: linear-gradient(160deg, #F8FAFC 0%, #F0F6FF 100%);
}

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 40px;
}

.toggle-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-600);
}

.toggle-save {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 28px;
  cursor: pointer;
}

.toggle-switch input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--gray-300);
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  height: 22px;
  width: 22px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.toggle-switch input:checked + .toggle-slider {
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(24px);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  transition: all var(--transition);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-popular {
  border-color: var(--primary);
  box-shadow: var(--shadow-primary);
  transform: scale(1.02);
}

.pricing-popular:hover {
  transform: scale(1.02) translateY(-4px);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 18px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-header { margin-bottom: 28px; }

.plan-name {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}

.price-amount {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--gray-900);
  font-family: var(--font-en);
  transition: all var(--transition);
}

.price-unit {
  font-size: 0.88rem;
  color: var(--gray-500);
  font-weight: 500;
}

.plan-desc {
  font-size: 0.82rem;
  color: var(--gray-500);
}

.plan-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--gray-700);
}

.plan-features li i.fa-check { color: var(--success); flex-shrink: 0; }
.plan-features li i.fa-xmark { color: var(--gray-300); flex-shrink: 0; }
.plan-features li.disabled { color: var(--gray-400); }

.plan-btn { width: 100%; justify-content: center; }

.pricing-note {
  text-align: center;
  font-size: 0.82rem;
  color: var(--gray-500);
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.pricing-note i { color: var(--success); }

/* ============================================================
   12. FAQ
   ============================================================ */
.faq-section {
  padding: var(--section-py) 0;
  background: #fff;
}

.faq-inner { max-width: 760px; margin: 0 auto; }

.faq-list { display: flex; flex-direction: column; gap: 12px; }

.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item.open { border-color: var(--primary); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-800);
  text-align: left;
  background: #fff;
  cursor: pointer;
  transition: all var(--transition);
}

.faq-question:hover { background: var(--gray-50); }
.faq-item.open .faq-question { color: var(--primary); background: var(--gray-50); }

.faq-question i {
  transition: transform var(--transition);
  font-size: 0.85rem;
  color: var(--gray-400);
  flex-shrink: 0;
}

.faq-item.open .faq-question i { transform: rotate(180deg); color: var(--primary); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.open .faq-answer { max-height: 200px; }

.faq-answer p {
  padding: 4px 24px 20px;
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.8;
}

/* ============================================================
   13. Demo Section
   ============================================================ */
.demo-section {
  padding: var(--section-py) 0;
  background: linear-gradient(160deg, #EEF2FF 0%, #F0F6FF 100%);
}

.demo-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: var(--radius-xl);
  padding: 64px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.demo-decoration { position: absolute; inset: 0; pointer-events: none; }

.demo-circle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}

.demo-circle-1 { width: 400px; height: 400px; top: -150px; right: -100px; }
.demo-circle-2 { width: 250px; height: 250px; bottom: -100px; left: -50px; }

.demo-content { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }

.demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 16px;
  margin-bottom: 20px;
}

.demo-content h2 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 16px;
}

.demo-content > p {
  font-size: 1rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.75;
  margin-bottom: 36px;
}

/* Demo Form */
.demo-form { display: flex; flex-direction: column; gap: 16px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
}

.demo-form .required { color: rgba(255,200,200,0.9); }

.demo-form input,
.demo-form select,
.demo-form textarea {
  padding: 12px 16px;
  border: 1.5px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.15);
  color: #fff;
  font-size: 0.9rem;
  transition: all var(--transition);
  outline: none;
  backdrop-filter: blur(4px);
}

.demo-form input::placeholder,
.demo-form textarea::placeholder { color: rgba(255,255,255,0.45); }

.demo-form select { color: rgba(255,255,255,0.9); }
.demo-form select option { color: var(--gray-800); background: #fff; }

.demo-form input:focus,
.demo-form select:focus,
.demo-form textarea:focus {
  border-color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.2);
}

.demo-form input.error,
.demo-form select.error,
.demo-form textarea.error {
  border-color: rgba(239, 68, 68, 0.7);
  background: rgba(239, 68, 68, 0.1);
}

#submitBtn {
  background: #fff;
  color: var(--primary);
  font-weight: 700;
  font-size: 1rem;
  padding: 16px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

#submitBtn:hover {
  background: var(--gray-50);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
}

#submitBtn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.form-privacy {
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* ============================================================
   14. Contact Section
   ============================================================ */
.contact-section {
  padding: var(--section-py) 0;
  background: var(--gray-50);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info h2 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.contact-info > p {
  font-size: 0.95rem;
  color: var(--gray-500);
  margin-bottom: 32px;
}

.contact-items { display: flex; flex-direction: column; gap: 20px; margin-bottom: 36px; }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--primary);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.contact-item strong { display: block; font-size: 0.9rem; color: var(--gray-800); margin-bottom: 2px; }
.contact-item span { font-size: 0.85rem; color: var(--gray-500); }

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-badge-item {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gray-600);
}

.trust-badge-item i { color: var(--primary); }

/* Contact Form */
.contact-form-wrap {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.contact-form h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 24px;
}

.contact-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.contact-form label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-700);
}

.contact-form .required { color: var(--danger); }

.contact-form input,
.contact-form textarea {
  padding: 11px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--gray-800);
  transition: border-color var(--transition);
  outline: none;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.contact-form input.error,
.contact-form textarea.error {
  border-color: var(--danger);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--gray-400); }

/* ============================================================
   15. Footer
   ============================================================ */
.footer {
  background: var(--gray-900);
  padding: 60px 0 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-text { color: #fff; -webkit-text-fill-color: #fff; }
.footer-brand .logo-icon { background: rgba(255,255,255,0.1); }

.footer-brand p {
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.75;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col h4 {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: 10px;
  transition: color var(--transition);
}

.footer-col a:hover { color: #fff; }

.footer-bottom {
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: var(--gray-600);
}

/* ============================================================
   16. Modal
   ============================================================ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.modal.show {
  opacity: 1;
  pointer-events: all;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.modal-box {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  max-width: 440px;
  width: calc(100% - 48px);
  position: relative;
  text-align: center;
  box-shadow: var(--shadow-xl);
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-slow);
}

.modal.show .modal-box {
  transform: scale(1) translateY(0);
}

.modal-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 20px;
}

.success-icon {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.modal-box h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.modal-box p {
  font-size: 0.92rem;
  color: var(--gray-500);
  line-height: 1.75;
  margin-bottom: 28px;
}

.modal-close-btn { width: 100%; justify-content: center; }

/* ============================================================
   17. Floating CTA
   ============================================================ */
.floating-cta {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  padding: 14px 24px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: var(--shadow-primary), var(--shadow-lg);
  transition: all var(--transition);
  opacity: 0;
  transform: translateY(20px);
}

.floating-cta.visible {
  opacity: 1;
  transform: translateY(0);
}

.floating-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(37, 99, 235, 0.5);
}

/* ============================================================
   18. Responsive Design
   ============================================================ */
@media (max-width: 1024px) {
  :root { --section-py: 72px; }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .hero-content { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-note { justify-content: center; }
  .hero-badge { justify-content: center; }

  .hero-visual { justify-content: center; }
  .dashboard-mockup { max-width: 500px; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; gap: 16px; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .pricing-popular { transform: none; }
  .pricing-popular:hover { transform: translateY(-4px); }

  .how-steps {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .how-step { max-width: 100%; }
  .how-step-arrow { transform: rotate(90deg); margin: 0; }

  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }

  .results-bar { flex-wrap: wrap; }
  .result-divider { display: none; }
}

@media (max-width: 768px) {
  :root { --section-py: 60px; --container-px: 16px; }

  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .mobile-menu.open { display: flex; }

  .hero { padding: 120px 0 72px; }
  .hero-title { font-size: 1.9rem; }

  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .demo-card { padding: 40px 24px; }

  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .floating-cta span { display: none; }
  .floating-cta { padding: 14px 18px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .results-bar { padding: 32px 24px; }
  .result-big-num { font-size: 2.2rem; }
  .footer-links { grid-template-columns: 1fr; }
}