/* ========================================
   R3PAIR — Premium Auto Body Repair
   Design System & Global Styles
   ======================================== */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Inter:wght@400;500;600&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-bg: #06080f;
  --color-bg-alt: #0b0f1a;
  --color-surface: #111827;
  --color-surface-hover: #1a2332;
  --color-card: #0f1623;
  --color-card-border: rgba(37, 99, 255, 0.12);
  --color-primary: #2563ff;
  --color-primary-hover: #3b7aff;
  --color-primary-glow: rgba(37, 99, 255, 0.35);
  --color-accent: #3b82f6;
  --color-text: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-border: rgba(255, 255, 255, 0.06);
  --color-glass: rgba(11, 15, 26, 0.72);
  --color-glass-border: rgba(255, 255, 255, 0.08);
  --color-white: #ffffff;
  --color-success: #22c55e;
  --color-overlay: rgba(0, 0, 0, 0.7);

  /* Typography */
  --font-heading: 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;
  --fs-hero: clamp(2.2rem, 5vw, 4rem);
  --fs-h2: clamp(1.6rem, 3vw, 2.5rem);
  --fs-h3: clamp(1.1rem, 2vw, 1.4rem);
  --fs-body: clamp(0.9rem, 1.2vw, 1.05rem);
  --fs-small: 0.875rem;
  --fs-xs: 0.75rem;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --container-max: 1200px;
  --header-height: 72px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
}

input,
textarea,
select {
  font-family: inherit;
}

/* --- Container --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* --- Section Base --- */
.section {
  padding: var(--space-4xl) 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-3xl);
  letter-spacing: -0.02em;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.section-label::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

/* ========================================
   HEADER — Glassmorphism Fixed
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: var(--transition-base);
}

.header.scrolled {
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-glass-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  z-index: 1001;
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: 0;
}

.logo span {
  color: var(--color-white);
  font-weight: 500;
}

/* Nav */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: width var(--transition-base);
}

.nav-link:hover {
  color: var(--color-white);
}

.nav-link:hover::after {
  width: 100%;
}

.header-contact {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.header-phone {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.header-phone a {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-white);
  transition: color var(--transition-fast);
}

.header-phone a:hover {
  color: var(--color-primary);
}

.header-phone span {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

/* CTA Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 12px 24px;
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 0 20px var(--color-primary-glow);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 0 30px var(--color-primary-glow);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(37, 99, 255, 0.08);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  padding: 8px 0;
  font-size: var(--fs-small);
}

.btn-ghost::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.btn-ghost:hover::after {
  transform: translateX(4px);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 6px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right,
      rgba(6, 8, 15, 0.92) 0%,
      rgba(6, 8, 15, 0.75) 50%,
      rgba(6, 8, 15, 0.4) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 100%;
  padding-top: var(--header-height);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: var(--fs-hero);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-lg);
}

.hero-title .highlight {
  color: var(--color-primary);
  position: relative;
}

.hero-subtitle {
  font-size: var(--fs-body);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  z-index: 1;
  animation: bounce 2s infinite;
}

.scroll-indicator-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  position: relative;
}

.scroll-indicator-mouse::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  width: 3px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scroll-wheel 2s infinite;
}

/* ========================================
   ADVANTAGES SECTION
   ======================================== */
.advantages {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-lg);
}

.advantage-card {
  padding: var(--space-xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-card);
  transition: all var(--transition-base);
}

.advantage-card:hover {
  border-color: var(--color-card-border);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(37, 99, 255, 0.08);
}

.advantage-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37, 99, 255, 0.1);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  color: var(--color-primary);
  font-size: 1.4rem;
}

.advantage-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.advantage-text {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ========================================
   SERVICES SECTION
   ======================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.service-card {
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-card);
  overflow: hidden;
  transition: all var(--transition-base);
}

.service-card:hover {
  border-color: rgba(37, 99, 255, 0.2);
  box-shadow: 0 12px 40px rgba(37, 99, 255, 0.06);
}

.service-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  opacity: 0.7;
  transition: opacity var(--transition-base);
}

.service-card:hover .service-card-image {
  opacity: 0.9;
}

.service-card-body {
  padding: var(--space-xl);
}

.service-card-title {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.service-card-text {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

/* ========================================
   BEFORE / AFTER SLIDER
   ======================================== */
.comparison {
  background: var(--color-bg-alt);
}

.comparison-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.comparison-slider {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  cursor: ew-resize;
  user-select: none;
  border: 1px solid var(--color-border);
}

.comparison-slider img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comparison-slider .after-image {
  z-index: 0;
}

.comparison-slider .before-image {
  z-index: 1;
}

.comparison-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: var(--color-primary);
  z-index: 3;
  transform: translateX(-50%);
}

.comparison-handle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 20px var(--color-primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
}

.comparison-handle-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 4;
  color: var(--color-white);
  font-size: 1.2rem;
  pointer-events: none;
}

.comparison-label {
  position: absolute;
  bottom: 16px;
  padding: 6px 14px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  border-radius: 20px;
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 2;
}

.comparison-label.label-before {
  left: 16px;
}

.comparison-label.label-after {
  right: 16px;
  background: var(--color-primary);
}

.comparison-info h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  font-weight: 700;
  margin-bottom: var(--space-xl);
}

.comparison-feature {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.comparison-feature-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37, 99, 255, 0.1);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  font-size: 1.2rem;
}

.comparison-feature-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 4px;
}

.comparison-feature-text {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ========================================
   MODAL — Cost Calculator
   ======================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  width: 90%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-2xl);
  transform: translateY(30px) scale(0.95);
  transition: transform var(--transition-spring);
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-xl);
}

.modal-title {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: 700;
}

.modal-subtitle {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  margin-top: 4px;
}

.modal-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
  color: var(--color-text-secondary);
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
}

/* Upload area */
.upload-area {
  border: 2px dashed rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
  margin-bottom: var(--space-lg);
}

.upload-area:hover,
.upload-area.dragover {
  border-color: var(--color-primary);
  background: rgba(37, 99, 255, 0.05);
}

.upload-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text-muted);
}

.upload-text {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
}

.upload-text strong {
  color: var(--color-primary);
}

.upload-hint {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.upload-preview {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

.upload-preview-item {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}

.upload-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.upload-preview-item button {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  background: rgba(0, 0, 0, 0.7);
  border-radius: 50%;
  color: white;
  font-size: 0.65rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Form Fields */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: var(--fs-small);
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text-secondary);
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  font-size: var(--fs-body);
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 255, 0.15);
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-privacy {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-md);
  line-height: 1.5;
}

.form-privacy a {
  color: var(--color-primary);
  text-decoration: underline;
}

.form-submit {
  width: 100%;
  margin-top: var(--space-lg);
}

/* ========================================
   SHARE MODAL
   ======================================== */
.share-modal .modal {
  max-width: 400px;
  text-align: center;
}

.share-options {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.share-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  min-width: 90px;
  transition: all var(--transition-base);
}

.share-btn:hover {
  border-color: var(--color-primary);
  background: rgba(37, 99, 255, 0.08);
  transform: translateY(-2px);
}

.share-btn-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1.3rem;
}

.share-btn-icon.whatsapp {
  background: rgba(37, 211, 102, 0.15);
  color: #25d366;
}

.share-btn-icon.telegram {
  background: rgba(0, 136, 204, 0.15);
  color: #0088cc;
}

.share-btn-icon.copy {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-secondary);
}

.share-btn span {
  font-size: var(--fs-xs);
  font-weight: 500;
}

/* ========================================
   SERVICE DETAIL MODAL
   ======================================== */
.service-modal-content {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.service-modal-content p {
  margin-bottom: var(--space-lg);
  font-size: var(--fs-body);
}

.service-modal-content h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.service-modal-content ul {
  list-style: none;
  padding: 0;
  margin-bottom: var(--space-lg);
}

.service-modal-content ul li {
  position: relative;
  padding-left: 28px;
  margin-bottom: var(--space-sm);
  font-size: var(--fs-small);
}

.service-modal-content ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.service-modal-result {
  background: rgba(37, 99, 255, 0.08);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--space-md) var(--space-lg);
  font-size: var(--fs-small);
  line-height: 1.6;
}

.service-modal-result strong {
  color: var(--color-white);
}

/* ========================================
   CASES GALLERY MODAL
   ======================================== */
.cases-modal .modal {
  max-width: 720px;
}

.cases-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.case-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.case-photo {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.case-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.case-photo:hover img {
  transform: scale(1.05);
}

.case-label {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 4px 12px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  border-radius: 16px;
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-white);
}

.case-label-after {
  background: var(--color-primary);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand-text {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-top: var(--space-md);
  max-width: 280px;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
}

.footer-contact-item svg {
  min-width: 18px;
  margin-top: 2px;
  color: var(--color-primary);
}

.footer-social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(37, 99, 255, 0.08);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-bottom-links a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--color-primary);
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

@keyframes bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  40% {
    transform: translateX(-50%) translateY(-8px);
  }

  60% {
    transform: translateX(-50%) translateY(-4px);
  }
}

@keyframes scroll-wheel {
  0% {
    opacity: 1;
    top: 8px;
  }

  100% {
    opacity: 0;
    top: 20px;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   RESPONSIVE
   ======================================== */

/* Tablet */
@media (max-width: 1024px) {
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .comparison-wrapper {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

/* Mobile */
@media (max-width: 768px) {

  .nav-links,
  .header-phone {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  /* Mobile menu */
  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    padding: calc(var(--header-height) + var(--space-2xl)) var(--space-xl) var(--space-xl);
    gap: var(--space-xl);
    z-index: 999;
    animation: fadeInUp 0.3s ease;
  }

  .nav-links.mobile-open .nav-link {
    font-size: 1.2rem;
    color: var(--color-text);
  }

  .hero-title {
    font-size: clamp(1.8rem, 7vw, 2.8rem);
  }

  .hero-buttons {
    flex-direction: column;
  }

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

  .services-grid {
    grid-template-columns: 1fr;
  }

  .advantages-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  .hero-content {
    padding-right: var(--space-md);
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-surface);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}