/* ========================================
   EmiDent — Futuristic Dental Implant Site
   Design System & Components
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

/* --- Design Tokens --- */
:root {
  --header-total-height: 120px;
  --bg-primary: #FAFAF8;
  --bg-secondary: #F0F5F4;
  --bg-dark: #0F1E2B;
  --bg-dark-card: #162A3A;
  --bg-glass: rgba(255,255,255,0.7);
  --color-primary: #0AADAD;
  --color-primary-light: #B2F0EF;
  --color-primary-dark: #078888;
  --color-primary-glow: rgba(10,173,173,0.25);
  --color-accent: #FF6154;
  --color-accent-light: #FFE8E5;
  --color-accent-hover: #E04A3E;
  --color-gold: #F4B942;
  --color-purple: #7C6AEF;
  --color-green: #34D399;
  --color-text: #1E293B;
  --color-text-secondary: #64748B;
  --color-text-light: #94A3B8;
  --color-white: #FFFFFF;
  --color-border: #E2E8F0;
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
  --shadow-glow: 0 0 30px var(--color-primary-glow);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; scroll-padding-top: 100px; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--bg-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button, input, textarea, select {
  font-family: inherit; font-size: inherit; border: none; outline: none; background: none;
}
button { cursor: pointer; }

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 10px; }

/* --- Scroll Progress --- */
#scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; z-index: 10000;
  background: linear-gradient(90deg, var(--color-primary), var(--color-purple), var(--color-accent));
  transition: width 0.1s linear;
}

/* --- Typography --- */
h1, h2, h3, h4, h5 { font-family: var(--font-heading); font-weight: 800; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.85rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  color: var(--color-primary); margin-bottom: 12px;
}
.section-label::before {
  content: ''; width: 30px; height: 2px; background: var(--color-primary); border-radius: 2px;
}
.section-title { margin-bottom: 16px; }
.section-subtitle {
  font-size: 1.1rem; color: var(--color-text-secondary); max-width: 650px; margin: 0 auto 50px;
}
.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-purple));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.text-accent { color: var(--color-accent); }
.text-center { text-align: center; }

/* --- Layout --- */
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; position: relative; }
.section-dark { background: var(--bg-dark); color: var(--color-white); }
.section-dark .section-subtitle { color: rgba(255,255,255,0.6); }
.section-alt { background: var(--bg-secondary); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.flex-center { display: flex; align-items: center; justify-content: center; }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 32px; border-radius: var(--radius-full); font-weight: 700;
  font-size: 1rem; transition: var(--transition); position: relative; overflow: hidden;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), #FF8A65);
  color: white; box-shadow: 0 4px 20px rgba(255,97,84,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px); box-shadow: 0 8px 30px rgba(255,97,84,0.45);
}
.btn-secondary {
  background: var(--color-white); color: var(--color-text);
  border: 2px solid var(--color-border); box-shadow: var(--shadow-sm);
}
.btn-secondary:hover {
  border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-2px);
}
.btn-outline-light {
  border: 2px solid rgba(255,255,255,0.3); color: white; backdrop-filter: blur(4px);
}
.btn-outline-light:hover { background: rgba(255,255,255,0.1); border-color: white; }
.btn-sm { padding: 10px 22px; font-size: 0.9rem; }
.btn-lg { padding: 20px 40px; font-size: 1.1rem; }
.btn .btn-icon { display: flex; align-items: center; }
.btn-pulse::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  animation: pulse-ring 2s ease-out infinite;
  border: 2px solid var(--color-accent);
}
@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.6; }
  100% { transform: scale(1.3); opacity: 0; }
}

/* --- Badge --- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px; border-radius: var(--radius-full);
  font-size: 0.8rem; font-weight: 700; margin-bottom: 8px;
}
.badge-free { background: #DCFCE7; color: #16A34A; }
.badge-popular { background: var(--color-accent-light); color: var(--color-accent); }
.badge-new { background: #EDE9FE; color: var(--color-purple); }

/* --- Cards --- */
.card {
  background: var(--color-white); border-radius: var(--radius-lg);
  padding: 36px; border: 1px solid var(--color-border);
  transition: var(--transition); position: relative;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.card-glass {
  background: var(--bg-glass); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.5); border-radius: var(--radius-lg);
}
.card-icon {
  width: 64px; height: 64px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; background: linear-gradient(135deg, var(--color-primary-light), #E0F7FA);
}
.card-icon svg { width: 32px; height: 32px; stroke: var(--color-primary-dark); }
.card-highlighted { border: 2px solid var(--color-primary); }
.card-highlighted::before {
  content: 'Популярный выбор'; position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--color-primary); color: white; padding: 4px 18px;
  border-radius: var(--radius-full); font-size: 0.78rem; font-weight: 700; white-space: nowrap;
}

/* --- Header --- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 14px 0; transition: var(--transition);
  background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
}
.header.scrolled {
  background: rgba(255,255,255,0.97); backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md); padding: 10px 0;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
}
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-heading); font-weight: 800; font-size: 1.5rem; min-width: 0; }
.logo svg { width: 38px; height: 38px; flex-shrink: 0; }
.logo span { color: var(--color-primary); }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { font-weight: 500; font-size: 0.92rem; color: var(--color-text-secondary); white-space: nowrap; }
.nav a:hover { color: var(--color-primary); }
.header-right { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.header-phone { font-weight: 700; font-size: 0.95rem; display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.header-phone svg { width: 18px; height: 18px; stroke: var(--color-primary); }
.header-cta { padding: 12px 24px; }
.burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.burger span { width: 24px; height: 2px; background: var(--color-text); transition: var(--transition); border-radius: 2px; }

/* --- Hero --- */
.hero {
  min-height: 100vh; display: flex; align-items: center; position: relative;
  overflow: hidden; padding-top: calc(var(--header-total-height, 120px) + 20px);
  background: linear-gradient(160deg, #F0FDFA 0%, #FAFAF8 40%, #FFF5F3 100%);
}
.hero-bg-shapes {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden;
}
.hero-shape {
  position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.4;
}
.hero-shape-1 { width: 500px; height: 500px; background: var(--color-primary-light); top: -100px; right: -100px; }
.hero-shape-2 { width: 400px; height: 400px; background: #FFE0DB; bottom: -100px; left: -50px; }
.hero-shape-3 { width: 300px; height: 300px; background: #E8E0FF; top: 40%; left: 30%; }
.hero-content { position: relative; z-index: 2; }
.hero-left { padding-right: 40px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--bg-glass); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.6);
  padding: 8px 20px; border-radius: var(--radius-full); margin-bottom: 28px;
  font-size: 0.88rem; font-weight: 600; color: var(--color-primary-dark);
  animation: fadeInUp 0.8s ease-out;
}
.hero-badge .dot { width: 8px; height: 8px; background: var(--color-green); border-radius: 50%; animation: blink 2s infinite; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
.hero h1 { margin-bottom: 20px; animation: fadeInUp 0.8s ease-out 0.1s both; }
.hero-subtitle {
  font-size: 1.2rem; color: var(--color-text-secondary); max-width: 520px;
  margin-bottom: 36px; line-height: 1.8; animation: fadeInUp 0.8s ease-out 0.2s both;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; animation: fadeInUp 0.8s ease-out 0.3s both; }
.hero-stats { display: flex; gap: 40px; animation: fadeInUp 0.8s ease-out 0.4s both; padding-bottom: 40px; }
.hero-stat { text-align: center; }
.hero-stat-value { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; color: var(--color-primary); }
.hero-stat-label { font-size: 0.85rem; color: var(--color-text-secondary); }
.hero-right { position: relative; display: flex; justify-content: center; animation: fadeInRight 1s ease-out 0.3s both; }
.hero-image-wrapper {
  position: relative; width: 480px; height: 480px;
  border-radius: 50%; overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-light), #E8E0FF);
  box-shadow: var(--shadow-xl);
}
.hero-image-wrapper img { width: 100%; height: 100%; object-fit: cover; }
.hero-floating-card {
  position: absolute; background: var(--color-white); padding: 14px 20px;
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 12px; animation: float 4s ease-in-out infinite;
  z-index: 3; font-size: 0.9rem; font-weight: 600;
}
.hero-floating-card svg { width: 24px; height: 24px; }
.hero-float-1 { top: 60px; right: -30px; animation-delay: 0s; }
.hero-float-2 { bottom: 100px; left: -40px; animation-delay: 1.5s; }
.hero-float-3 { bottom: 30px; right: 20px; animation-delay: 0.8s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* --- Trust Bar --- */
.trust-bar {
  background: var(--color-white); border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border); padding: 40px 0;
}
.trust-items { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 24px; }
.trust-item { display: flex; align-items: center; gap: 16px; }
.trust-icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.trust-icon svg { width: 26px; height: 26px; stroke: white; fill: none; }
.trust-value { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 800; color: var(--color-text); line-height: 1.1; }
.trust-label { font-size: 0.85rem; color: var(--color-text-secondary); }

/* --- Problems --- */
.problems-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 20px; }
.problem-card {
  display: flex; gap: 20px; padding: 28px; border-radius: var(--radius-lg);
  background: var(--color-white); border: 1px solid var(--color-border);
  transition: var(--transition);
}
.problem-card:hover { box-shadow: var(--shadow-md); border-color: var(--color-accent-light); transform: translateY(-3px); }
.problem-icon {
  width: 50px; height: 50px; border-radius: 50%; flex-shrink: 0;
  background: var(--color-accent-light);
  display: flex; align-items: center; justify-content: center;
}
.problem-icon svg { width: 24px; height: 24px; stroke: var(--color-accent); }
.problem-card h3 { font-size: 1.1rem; margin-bottom: 6px; }
.problem-card p { font-size: 0.92rem; color: var(--color-text-secondary); line-height: 1.6; }

/* --- Implant Types --- */
.types-tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 48px; flex-wrap: wrap; }
.type-tab {
  padding: 12px 24px; border-radius: var(--radius-full);
  font-weight: 600; font-size: 0.92rem; cursor: pointer;
  background: var(--color-white); border: 1px solid var(--color-border);
  transition: var(--transition);
}
.type-tab:hover { border-color: var(--color-primary); color: var(--color-primary); }
.type-tab.active { background: var(--color-primary); color: white; border-color: var(--color-primary); }
.type-content { display: none; }
.type-content.active { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.type-info h3 { font-size: 1.8rem; margin-bottom: 16px; }
.type-info p { color: var(--color-text-secondary); margin-bottom: 24px; line-height: 1.8; }
.type-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.type-feature {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-radius: var(--radius-md); background: var(--bg-secondary);
}
.type-feature svg { width: 20px; height: 20px; stroke: var(--color-green); flex-shrink: 0; }
.type-price { font-size: 1.1rem; color: var(--color-text-secondary); }
.type-price strong { font-size: 1.8rem; color: var(--color-primary); font-family: var(--font-heading); }
.type-visual {
  border-radius: var(--radius-xl); overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-light), #E0F7FA);
  aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center;
  position: relative;
}
.type-visual svg { width: 60%; opacity: 0.5; }

/* --- Stages --- */
.stages-timeline { position: relative; max-width: 800px; margin: 0 auto; }
.stages-line {
  position: absolute; left: 32px; top: 0; bottom: 0; width: 3px;
  background: var(--color-border); border-radius: 3px;
}
.stages-line-fill {
  width: 100%; background: linear-gradient(180deg, var(--color-primary), var(--color-purple));
  border-radius: 3px; height: 0; transition: height 1s ease;
}
.stage-item {
  display: flex; gap: 28px; margin-bottom: 40px; position: relative;
  opacity: 0; transform: translateX(-20px);
  transition: all 0.6s ease;
}
.stage-item.visible { opacity: 1; transform: translateX(0); }
.stage-number {
  width: 64px; height: 64px; border-radius: 50%; flex-shrink: 0;
  background: var(--color-white); border: 3px solid var(--color-border);
  display: flex; align-items: center; justify-content: center; z-index: 2;
  font-family: var(--font-heading); font-size: 1.3rem; font-weight: 800;
  color: var(--color-text-light); transition: var(--transition);
}
.stage-item.visible .stage-number {
  border-color: var(--color-primary); color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}
.stage-content {
  background: var(--color-white); padding: 28px; border-radius: var(--radius-lg);
  border: 1px solid var(--color-border); flex: 1; transition: var(--transition);
}
.stage-item.visible .stage-content { box-shadow: var(--shadow-md); }
.stage-content h3 { font-size: 1.2rem; margin-bottom: 8px; }
.stage-content p { color: var(--color-text-secondary); font-size: 0.95rem; }
.stage-duration {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 12px;
  font-size: 0.85rem; font-weight: 600; color: var(--color-primary);
  background: var(--color-primary-light); padding: 4px 12px; border-radius: var(--radius-full);
}

/* --- Calculator --- */
.calc-wrapper {
  background: var(--color-white); border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl); overflow: hidden;
}
.calc-grid { display: grid; grid-template-columns: 1fr 380px; }
.calc-form { padding: 48px; }
.calc-result {
  background: linear-gradient(160deg, var(--bg-dark), #1a3a4a);
  padding: 48px; color: white; display: flex; flex-direction: column; justify-content: center;
}
.calc-group { margin-bottom: 28px; }
.calc-group label { display: block; font-weight: 600; margin-bottom: 10px; font-size: 0.95rem; }
.calc-group .sublabel { font-size: 0.85rem; color: var(--color-text-secondary); margin-bottom: 8px; display: block; }
.calc-select, .calc-input {
  width: 100%; padding: 14px 18px; border-radius: var(--radius-md);
  border: 2px solid var(--color-border); font-size: 1rem;
  transition: var(--transition); background: var(--bg-primary);
}
.calc-select:focus, .calc-input:focus { border-color: var(--color-primary); box-shadow: var(--shadow-glow); }
.calc-range-wrapper { position: relative; }
.calc-range {
  width: 100%; height: 6px; -webkit-appearance: none; appearance: none;
  background: var(--color-border); border-radius: 6px; outline: none;
}
.calc-range::-webkit-slider-thumb {
  -webkit-appearance: none; width: 24px; height: 24px; border-radius: 50%;
  background: var(--color-primary); cursor: pointer; box-shadow: var(--shadow-glow);
}
.calc-range-value {
  text-align: center; font-family: var(--font-heading); font-size: 1.4rem;
  font-weight: 800; color: var(--color-primary); margin-top: 8px;
}
.calc-checkboxes { display: flex; flex-direction: column; gap: 10px; }
.calc-checkbox {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-radius: var(--radius-md);
  border: 1px solid var(--color-border); cursor: pointer; transition: var(--transition);
}
.calc-checkbox:hover { border-color: var(--color-primary-light); background: var(--bg-secondary); }
.calc-checkbox input { display: none; }
.calc-checkbox .check-box {
  width: 22px; height: 22px; border-radius: 6px; border: 2px solid var(--color-border);
  display: flex; align-items: center; justify-content: center; transition: var(--transition); flex-shrink: 0;
}
.calc-checkbox input:checked ~ .check-box {
  background: var(--color-primary); border-color: var(--color-primary);
}
.calc-checkbox input:checked ~ .check-box svg { opacity: 1; }
.calc-checkbox .check-box svg { width: 14px; height: 14px; stroke: white; opacity: 0; transition: var(--transition); }
.calc-total-label { font-size: 0.95rem; opacity: 0.7; margin-bottom: 8px; }
.calc-total {
  font-family: var(--font-heading); font-size: 3rem; font-weight: 800;
  margin-bottom: 6px; line-height: 1;
}
.calc-savings {
  font-size: 0.95rem; color: var(--color-gold); margin-bottom: 24px;
  display: flex; align-items: center; gap: 8px;
}
.calc-savings svg { width: 18px; height: 18px; }
.calc-details { border-top: 1px solid rgba(255,255,255,0.15); padding-top: 24px; margin-bottom: 28px; }
.calc-detail-row {
  display: flex; justify-content: space-between; margin-bottom: 10px;
  font-size: 0.92rem; opacity: 0.8;
}
.calc-installment {
  background: rgba(255,255,255,0.1); border-radius: var(--radius-md);
  padding: 16px; text-align: center; margin-bottom: 24px;
}
.calc-installment-value { font-size: 1.4rem; font-weight: 700; color: var(--color-gold); }
.calc-installment-label { font-size: 0.85rem; opacity: 0.6; }

/* --- Comparison Table --- */
.comparison-table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.comparison-table thead th {
  background: var(--bg-dark); color: white; padding: 20px 24px;
  font-weight: 700; text-align: center; font-size: 1rem;
}
.comparison-table thead th:first-child { text-align: left; }
.comparison-table thead th.highlight { background: var(--color-primary); }
.comparison-table td {
  padding: 16px 24px; border-bottom: 1px solid var(--color-border);
  text-align: center; font-size: 0.95rem; background: white;
}
.comparison-table td:first-child { text-align: left; font-weight: 600; }
.comparison-table td.highlight { background: var(--color-primary-light); font-weight: 700; }
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-check { color: var(--color-green); font-size: 1.3rem; }
.comparison-cross { color: var(--color-accent); font-size: 1.3rem; }

/* --- Quiz --- */
.quiz-wrapper {
  background: linear-gradient(160deg, var(--bg-dark), #0a2a3a);
  border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-xl);
  position: relative;
}
.quiz-wrapper::before {
  content: ''; position: absolute; inset: 0;
  background: 
    radial-gradient(circle at 15% 20%, rgba(10,173,173,0.08) 0%, transparent 50%),
    radial-gradient(circle at 85% 80%, rgba(124,106,239,0.06) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(255,255,255,0.02) 0%, transparent 70%);
  pointer-events: none;
}
.quiz-wrapper::after {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(
    135deg,
    transparent,
    transparent 40px,
    rgba(255,255,255,0.015) 40px,
    rgba(255,255,255,0.015) 80px
  );
  pointer-events: none;
}
.quiz-inner { padding: 60px; }
.quiz-progress { display: flex; gap: 8px; margin-bottom: 40px; }
.quiz-progress-step {
  flex: 1; height: 6px; border-radius: 6px; background: rgba(255,255,255,0.15); transition: var(--transition);
}
.quiz-progress-step.active { background: var(--color-primary); }
.quiz-progress-step.done { background: var(--color-green); }
.quiz-step { display: none; color: white; }
.quiz-step.active { display: block; animation: fadeInUp 0.5s ease; }
.quiz-step h3 { font-size: 1.6rem; margin-bottom: 12px; }
.quiz-step p { opacity: 0.6; margin-bottom: 32px; }
.quiz-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.quiz-option {
  padding: 24px; border-radius: var(--radius-lg);
  border: 2px solid rgba(255,255,255,0.15); cursor: pointer;
  transition: var(--transition); text-align: center;
}
.quiz-option:hover { border-color: var(--color-primary); background: rgba(10,173,173,0.1); }
.quiz-option.selected { border-color: var(--color-primary); background: rgba(10,173,173,0.2); }
.quiz-option-icon { font-size: 2rem; margin-bottom: 10px; }
.quiz-option-text { font-weight: 600; font-size: 1rem; }
.quiz-option-sub { font-size: 0.85rem; opacity: 0.6; margin-top: 4px; }
.quiz-nav { display: flex; justify-content: space-between; margin-top: 36px; }
.quiz-form { display: grid; gap: 16px; }
.quiz-input {
  width: 100%; padding: 16px 20px; border-radius: var(--radius-md);
  border: 2px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.05);
  color: white; font-size: 1rem; transition: var(--transition);
}
.quiz-input:focus { border-color: var(--color-primary); }
.quiz-input::placeholder { color: rgba(255,255,255,0.4); }
.quiz-gift {
  display: flex; align-items: center; gap: 16px; padding: 20px;
  background: rgba(244,185,66,0.1); border-radius: var(--radius-md);
  border: 1px solid rgba(244,185,66,0.3);
}
.quiz-gift-icon { font-size: 2rem; }
.quiz-gift-text { font-size: 0.92rem; color: var(--color-gold); }

/* --- Doctors --- */
.doctor-card {
  background: white; border-radius: var(--radius-xl); overflow: hidden;
  border: 1px solid var(--color-border); transition: var(--transition);
}
.doctor-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); }
.doctor-photo {
  height: 320px; background: linear-gradient(135deg, var(--color-primary-light), var(--bg-secondary));
  display: flex; align-items: flex-end; justify-content: center; overflow: hidden;
  position: relative;
}
.doctor-photo-placeholder {
  font-size: 6rem; opacity: 0.3; line-height: 1;
}
.doctor-info { padding: 28px; }
.doctor-name { font-size: 1.3rem; margin-bottom: 4px; }
.doctor-speciality { color: var(--color-primary); font-weight: 600; font-size: 0.92rem; margin-bottom: 12px; }
.doctor-exp {
  display: flex; gap: 16px; margin-bottom: 16px; flex-wrap: wrap;
}
.doctor-exp-item {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.85rem; color: var(--color-text-secondary);
}
.doctor-exp-item svg { width: 16px; height: 16px; stroke: var(--color-primary); }
.doctor-desc { font-size: 0.92rem; color: var(--color-text-secondary); line-height: 1.7; }

/* --- Reviews --- */
.reviews-carousel { position: relative; overflow: hidden; }
.reviews-track { display: flex; transition: transform 0.5s ease; }
.review-card {
  min-width: calc(33.333% - 20px); margin: 0 10px; padding: 32px;
  background: white; border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}
.review-stars { display: flex; gap: 4px; margin-bottom: 16px; }
.review-stars svg { width: 18px; height: 18px; fill: var(--color-gold); }
.review-text { font-size: 0.95rem; color: var(--color-text-secondary); line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 12px; }
.review-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-light), #E8E0FF);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: var(--color-primary);
}
.review-name { font-weight: 600; font-size: 0.95rem; }
.review-date { font-size: 0.82rem; color: var(--color-text-light); }
.reviews-controls { display: flex; justify-content: center; gap: 12px; margin-top: 32px; }
.reviews-btn {
  width: 48px; height: 48px; border-radius: 50%;
  border: 2px solid var(--color-border); display: flex;
  align-items: center; justify-content: center; transition: var(--transition); cursor: pointer;
}
.reviews-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.reviews-btn svg { width: 20px; height: 20px; }

/* --- FAQ --- */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: white; border-radius: var(--radius-lg); margin-bottom: 12px;
  border: 1px solid var(--color-border); overflow: hidden; transition: var(--transition);
}
.faq-item.open { box-shadow: var(--shadow-md); border-color: var(--color-primary-light); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 28px; cursor: pointer; font-weight: 600; font-size: 1.05rem;
  transition: var(--transition); gap: 16px;
}
.faq-question:hover { color: var(--color-primary); }
.faq-toggle {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--bg-secondary); display: flex; align-items: center;
  justify-content: center; flex-shrink: 0; transition: var(--transition);
}
.faq-item.open .faq-toggle { background: var(--color-primary); transform: rotate(45deg); }
.faq-item.open .faq-toggle svg { stroke: white; }
.faq-toggle svg { width: 16px; height: 16px; stroke: var(--color-text-secondary); transition: var(--transition); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.open .faq-answer { max-height: 400px; }
.faq-answer-inner { padding: 0 28px 22px; color: var(--color-text-secondary); line-height: 1.8; }

/* --- Guarantees --- */
.guarantees-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.guarantee-card {
  text-align: center; padding: 40px 28px; border-radius: var(--radius-xl);
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  transition: var(--transition);
}
.guarantee-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-5px); }
.guarantee-icon {
  width: 80px; height: 80px; margin: 0 auto 20px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-glow);
}
.guarantee-icon svg { width: 36px; height: 36px; stroke: white; }
.guarantee-card h3 { font-size: 1.2rem; margin-bottom: 10px; color: white; }
.guarantee-card p { font-size: 0.92rem; opacity: 0.6; line-height: 1.7; }

/* --- Lead Magnet / CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary), #0C8E8E);
  border-radius: var(--radius-xl); padding: 60px; text-align: center;
  color: white; position: relative; overflow: hidden;
}
.cta-banner::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 50%, rgba(255,255,255,0.08) 0%, transparent 50%);
}
.cta-banner > * { position: relative; z-index: 2; }
.cta-banner h2 { font-size: 2.2rem; margin-bottom: 16px; }
.cta-banner p { font-size: 1.1rem; opacity: 0.85; max-width: 600px; margin: 0 auto 16px; }
.cta-gifts { display: flex; justify-content: center; gap: 24px; margin-bottom: 32px; flex-wrap: wrap; }
.cta-gift {
  display: flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.15); padding: 10px 20px;
  border-radius: var(--radius-full); font-size: 0.92rem; font-weight: 600;
}

/* --- Contact Section --- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info-items { display: flex; flex-direction: column; gap: 24px; margin-top: 32px; }
.contact-info-item { display: flex; gap: 16px; }
.contact-icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  background: var(--color-primary-light); display: flex;
  align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-icon svg { width: 24px; height: 24px; stroke: var(--color-primary); }
.contact-label { font-size: 0.85rem; color: var(--color-text-secondary); }
.contact-value { font-weight: 600; font-size: 1.05rem; }
.contact-form-wrapper {
  background: white; border-radius: var(--radius-xl); padding: 40px;
  box-shadow: var(--shadow-lg); border: 1px solid var(--color-border);
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 8px; font-size: 0.95rem; }
.form-input, .form-textarea {
  width: 100%; padding: 14px 18px; border-radius: var(--radius-md);
  border: 2px solid var(--color-border); background: var(--bg-primary);
  transition: var(--transition); font-size: 1rem;
}
.form-input:focus, .form-textarea:focus { border-color: var(--color-primary); box-shadow: var(--shadow-glow); }
.form-textarea { min-height: 100px; resize: vertical; }
.form-consent { display: flex; align-items: flex-start; gap: 10px; font-size: 0.85rem; color: var(--color-text-secondary); margin-top: 12px; }
.form-consent input { margin-top: 3px; accent-color: var(--color-primary); }

/* --- Footer --- */
.footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 60px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand p { margin-top: 16px; font-size: 0.92rem; line-height: 1.7; opacity: 0.6; }
.footer h4 { color: white; font-size: 1rem; margin-bottom: 20px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.92rem; opacity: 0.6; transition: var(--transition); }
.footer-links a:hover { opacity: 1; color: var(--color-primary); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.85rem; opacity: 0.5;
}
.footer-socials { display: flex; gap: 12px; }
.footer-social {
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2); display: flex;
  align-items: center; justify-content: center; transition: var(--transition);
}
.footer-social:hover { background: var(--color-primary); border-color: var(--color-primary); }
.footer-social svg { width: 18px; height: 18px; stroke: rgba(255,255,255,0.7); }

/* --- Modal --- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px); z-index: 9999;
  display: none; align-items: center; justify-content: center; padding: 24px;
}
.modal-overlay.active { display: flex; }
.modal {
  background: white; border-radius: var(--radius-xl); max-width: 520px; width: 100%;
  padding: 48px; position: relative; animation: modalIn 0.3s ease;
  max-height: 90vh; overflow-y: auto;
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.95) translateY(20px); } }
.modal-close {
  position: absolute; top: 16px; right: 16px; width: 36px; height: 36px;
  border-radius: 50%; background: var(--bg-secondary); display: flex;
  align-items: center; justify-content: center; cursor: pointer; transition: var(--transition);
}
.modal-close:hover { background: var(--color-accent-light); }
.modal-close svg { width: 18px; height: 18px; }
.modal h3 { font-size: 1.5rem; margin-bottom: 8px; }
.modal p { color: var(--color-text-secondary); margin-bottom: 24px; }

/* --- Floating Elements --- */
.float-max {
  position: fixed; bottom: 28px; right: 28px; z-index: 999;
  width: 60px; height: 60px; border-radius: 50%;
  background: #CDE5FF; color: white; display: flex;
  align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(39,135,245,0.4);
  transition: var(--transition); cursor: pointer;
}
.float-max:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(39,135,245,0.55); }
.float-max svg { width: 30px; height: 30px; fill: white; }
.scroll-top {
  position: fixed; bottom: 28px; left: 28px; z-index: 999;
  width: 48px; height: 48px; border-radius: 50%;
  background: white; box-shadow: var(--shadow-lg);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: var(--transition); cursor: pointer;
}
.scroll-top.visible { opacity: 1; pointer-events: auto; }
.scroll-top svg { width: 20px; height: 20px; stroke: var(--color-text); }
.sticky-cta {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 998;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(10px);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
  padding: 12px 24px; display: none; align-items: center;
  justify-content: space-between; transform: translateY(100%);
  transition: var(--transition);
}
.sticky-cta.visible { display: flex; transform: translateY(0); }
.sticky-cta-text { font-weight: 700; font-size: 0.95rem; }
.sticky-cta-text span { color: var(--color-primary); }

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}
.reveal { opacity: 0; transform: translateY(40px); transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: all 0.8s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: all 0.8s ease; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }
.reveal-scale { opacity: 0; transform: scale(0.9); transition: all 0.8s ease; }
.reveal-scale.visible { opacity: 1; transform: scale(1); }
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

/* --- Benefits strip --- */
.benefits-strip {
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
  padding: 16px 0; overflow: hidden;
}
.benefits-marquee {
  display: flex; gap: 48px; animation: marquee 30s linear infinite; white-space: nowrap; width: max-content;
}
.benefits-marquee span {
  display: flex; align-items: center; gap: 10px;
  color: white; font-weight: 600; font-size: 0.95rem;
}
.benefits-marquee span::before {
  content: '✦'; color: var(--color-gold);
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .grid-2, .type-content.active, .contact-grid, .calc-grid { grid-template-columns: 1fr; }
  .grid-3, .guarantees-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .hero-right { order: -1; }
  .hero-image-wrapper { width: 320px; height: 320px; }
  .hero-left { padding-right: 0; text-align: center; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .nav { display: none; }
  .burger { display: flex; }
  .logo { font-size: 1.3rem; gap: 8px; }
  .logo svg { width: 30px; height: 30px; }
  .header-phone { font-size: 0.78rem; gap: 4px; }
  .header-phone svg { width: 14px; height: 14px; }
  .header-right { gap: 10px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .review-card { min-width: calc(50% - 20px); }
  .calc-result { padding: 36px; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .grid-3, .guarantees-grid, .grid-4, .problems-grid { grid-template-columns: 1fr; }
  .quiz-options { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .hero-float-badges { display: contents; }
  .hero-floating-card {
    font-size: 0.75rem; padding: 8px 12px;
    box-shadow: var(--shadow-md);
  }
  .hero-floating-card svg { width: 18px; height: 18px; }
  .hero-float-1 { top: 20px; right: -10px; }
  .hero-float-2 { bottom: 60px; left: -8px; }
  .hero-float-3 { bottom: 10px; right: 0px; }
  .hero-right { position: relative; }
  .trust-items {
    display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
    max-width: 400px; margin: 0 auto;
  }
  .trust-item { justify-content: flex-start; text-align: left; }
  .review-card { min-width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; }
  .types-tabs { gap: 6px; }
  .type-tab { padding: 8px 16px; font-size: 0.82rem; }
  .cta-banner { padding: 40px 24px; }
  .cta-gifts { flex-direction: column; align-items: center; }
  .comparison-table { font-size: 0.85rem; }
  .comparison-table td, .comparison-table th { padding: 12px 10px; }
  .promo-ribbon { font-size: 0.78rem; padding: 8px 12px; line-height: 1.4; }
  .hero { padding-top: calc(var(--header-total-height, 140px) + 20px); }
  .header-cta { padding: 10px 18px; font-size: 0.85rem; }
  .benefits-marquee { animation-duration: 40s; }
  .quiz-inner { padding: 32px 20px; }
}
@media (max-width: 480px) {
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }
  .btn { padding: 14px 24px; font-size: 0.92rem; }
  .hero-image-wrapper { width: 260px; height: 260px; }
  .modal { padding: 32px 24px; }
  .promo-ribbon { font-size: 0.72rem; }
  .logo { font-size: 1rem; gap: 5px; }
  .logo svg { width: 24px; height: 24px; }
  .header-phone { font-size: 0.68rem; }
  .header-phone svg { display: none; }
  .header-cta { padding: 8px 14px; font-size: 0.78rem; }
  .header-right { gap: 5px; }
  .header-inner { gap: 8px; }
  .container { padding: 0 16px; }
}
@media (max-width: 380px) {
  .logo { font-size: 0.9rem; gap: 4px; }
  .logo svg { width: 22px; height: 22px; }
  .header-phone span { display: none; }
  .header-phone svg { display: block; width: 20px; height: 20px; }
  .header-phone::after { content: 'Позвонить'; font-size: 0.6rem; }
  .header-cta { padding: 7px 12px; font-size: 0.72rem; }
  .burger { padding: 6px; }
  .header-inner { gap: 6px; }
  .container { padding: 0 12px; }
}

/* --- Mobile Nav --- */
.mobile-nav {
  position: fixed; top: 0; right: -100%; width: 300px; height: 100vh;
  background: white; z-index: 9999; padding: 80px 32px 32px;
  transition: var(--transition-slow); box-shadow: var(--shadow-xl);
}
.mobile-nav.open { right: 0; }
.mobile-nav-close {
  position: absolute; top: 12px; right: 16px; width: 40px; height: 40px;
  border-radius: 50%; background: var(--bg-secondary); display: flex;
  align-items: center; justify-content: center; cursor: pointer;
  z-index: 1;
}
.mobile-nav a {
  display: block; padding: 16px 0; font-size: 1.1rem; font-weight: 600;
  border-bottom: 1px solid var(--color-border); color: var(--color-text);
}
.mobile-nav a:hover { color: var(--color-primary); }
.mobile-nav-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.4);
  z-index: 9998; display: none;
}
.mobile-nav-overlay.open { display: block; }

/* --- Special promo ribbon --- */
.promo-ribbon {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1001;
  background: linear-gradient(90deg, var(--color-accent), #FF8A65, var(--color-accent));
  background-size: 200% 100%;
  animation: ribbonShift 3s ease-in-out infinite;
  color: white; text-align: center; padding: 10px 16px; font-size: 0.88rem; font-weight: 600;
  line-height: 1.3;
  /* No transform transition — position is scroll-driven from JS for perfect sync */
}
@keyframes ribbonShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.promo-ribbon a { color: white; text-decoration: underline; font-weight: 700; }

/* --- Before/After Slider --- */
.ba-slider {
  position: relative; width: 100%; max-width: 600px; margin: 0 auto;
  border-radius: var(--radius-xl); overflow: hidden;
  aspect-ratio: 16/10; cursor: ew-resize;
  box-shadow: var(--shadow-xl);
}
.ba-before, .ba-after {
  position: absolute; inset: 0; background-size: cover; background-position: center;
}
.ba-before { z-index: 2; width: 50%; overflow: hidden; }
.ba-divider {
  position: absolute; top: 0; bottom: 0; z-index: 3; width: 4px;
  background: white; left: 50%; transform: translateX(-50%);
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
}
.ba-handle {
  position: absolute; top: 50%; left: 50%; z-index: 4;
  width: 44px; height: 44px; border-radius: 50%; background: white;
  transform: translate(-50%, -50%); display: flex; align-items: center;
  justify-content: center; box-shadow: var(--shadow-lg); cursor: ew-resize;
}
.ba-labels {
  position: absolute; bottom: 16px; left: 0; right: 0; z-index: 5;
  display: flex; justify-content: space-between; padding: 0 20px;
}
.ba-label {
  background: rgba(0,0,0,0.6); color: white; padding: 4px 14px;
  border-radius: var(--radius-full); font-size: 0.82rem; font-weight: 600;
}

/* Success message */
.success-msg {
  display: none; text-align: center; padding: 40px;
}
.success-msg.show { display: block; animation: fadeInUp 0.5s ease; }
.success-icon { font-size: 3rem; margin-bottom: 16px; }
.success-msg h3 { color: var(--color-green); margin-bottom: 8px; }