:root {
  /* ===== ЦВЕТОВАЯ ПАЛИТРА ===== */
  /* Основные цвета - синяя профессиональная тема */
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #3b82f6;
  --color-primary-bg: #eff6ff;
  
  /* Акцентный цвет для CTA */
  --color-accent: #f59e0b;
  --color-accent-dark: #d97706;
  --color-accent-light: #fbbf24;
  
  /* Нейтральные цвета */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* Семантические цвета */
  --color-success: #10b981;
  --color-success-bg: #d1fae5;
  --color-warning: #f59e0b;
  --color-warning-bg: #fef3c7;
  --color-error: #ef4444;
  --color-error-bg: #fee2e2;
  --color-info: #3b82f6;
  --color-info-bg: #dbeafe;
  
  /* ===== ТИПОГРАФИКА ===== */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Размеры шрифтов */
  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.875rem;    /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg: 1.125rem;    /* 18px */
  --text-xl: 1.25rem;     /* 20px */
  --text-2xl: 1.5rem;     /* 24px */
  --text-3xl: 1.875rem;   /* 30px */
  --text-4xl: 2.25rem;    /* 36px */
  --text-5xl: 3rem;       /* 48px */
  --text-6xl: 3.75rem;    /* 60px */
  
  /* Высота строки */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;
  
  /* Толщина шрифта */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  
  /* ===== ОТСТУПЫ И РАЗМЕРЫ ===== */
  --spacing-0: 0;
  --spacing-1: 0.25rem;   /* 4px */
  --spacing-2: 0.5rem;    /* 8px */
  --spacing-3: 0.75rem;   /* 12px */
  --spacing-4: 1rem;      /* 16px */
  --spacing-5: 1.25rem;   /* 20px */
  --spacing-6: 1.5rem;    /* 24px */
  --spacing-8: 2rem;      /* 32px */
  --spacing-10: 2.5rem;   /* 40px */
  --spacing-12: 3rem;     /* 48px */
  --spacing-16: 4rem;     /* 64px */
  --spacing-20: 5rem;     /* 80px */
  --spacing-24: 6rem;     /* 96px */
  
  /* Контейнер */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1400px;
  
  /* ===== ГРАНИЦЫ ===== */
  --border-width: 1px;
  --border-width-2: 2px;
  --border-color: var(--color-gray-200);
  
  /* Радиусы скругления */
  --radius-none: 0;
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.375rem;  /* 6px */
  --radius-lg: 0.5rem;    /* 8px */
  --radius-xl: 0.75rem;   /* 12px */
  --radius-2xl: 1rem;     /* 16px */
  --radius-3xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;
  
  /* ===== ТЕНИ ===== */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);
  
  /* ===== АНИМАЦИИ ===== */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* ===== Z-INDEX ===== */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
  
  /* ===== HEADER ===== */
  --header-height: 80px;
  --header-height-mobile: 70px;
}

/* Тёмная тема (опционально) */
@media (prefers-color-scheme: dark) {
  :root.auto-dark {
    --color-primary-bg: #1e3a5f;
    --color-gray-50: #1f2937;
    --color-gray-100: #374151;
    --color-gray-200: #4b5563;
    --color-gray-800: #f3f4f6;
    --color-gray-900: #f9fafb;
  }
}

/* ===== RESET & BASE STYLES ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-gray-800);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.no-scroll {
  overflow: hidden;
}

/* ===== ТИПОГРАФИКА ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--color-gray-900);
}

h1 {
  font-size: var(--text-4xl);
}

h2 {
  font-size: var(--text-3xl);
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

h5 {
  font-size: var(--text-lg);
}

h6 {
  font-size: var(--text-base);
}

p {
  margin-bottom: var(--spacing-4);
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

strong, b {
  font-weight: var(--font-semibold);
}

/* ===== СПИСКИ ===== */
ul, ol {
  list-style: none;
}

/* ===== ИЗОБРАЖЕНИЯ ===== */
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

img {
  object-fit: cover;
}

/* ===== ФОРМЫ ===== */
button, input, optgroup, select, textarea {
  font-family: inherit;
  font-size: 100%;
  line-height: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

input, textarea, select {
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3) var(--spacing-4);
  background-color: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-bg);
}

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

textarea {
  resize: vertical;
  min-height: 120px;
}

/* ===== КОНТЕЙНЕР ===== */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

.container-sm {
  max-width: var(--container-md);
}

.container-lg {
  max-width: var(--container-2xl);
}

/* ===== СЕКЦИИ ===== */
.section {
  padding: var(--spacing-16) 0;
}

.section-sm {
  padding: var(--spacing-10) 0;
}

.section-lg {
  padding: var(--spacing-24) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-12);
}

.section-title h2 {
  margin-bottom: var(--spacing-4);
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-full);
}

.section-title p {
  color: var(--color-gray-600);
  font-size: var(--text-lg);
  max-width: 600px;
  margin: var(--spacing-6) auto 0;
}

/* ===== КНОПКИ ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: var(--border-width-2) solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-white);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-accent:hover {
  background: linear-gradient(135deg, var(--color-accent-dark), var(--color-accent));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: var(--color-white);
}

.btn-lg {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--text-lg);
}

.btn-sm {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--text-sm);
}

.btn-icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* ===== КАРТОЧКИ ===== */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-6);
  transition: all var(--transition-normal);
}

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

.card-bordered {
  border: var(--border-width) solid var(--border-color);
  box-shadow: none;
}

.card-bordered:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

/* ===== БЕЙДЖИ ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background-color: var(--color-primary-bg);
  color: var(--color-primary);
}

.badge-accent {
  background-color: var(--color-warning-bg);
  color: var(--color-accent-dark);
}

.badge-success {
  background-color: var(--color-success-bg);
  color: var(--color-success);
}

/* ===== УТИЛИТЫ ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-gray-500); }
.text-white { color: var(--color-white); }

.bg-primary { background-color: var(--color-primary); }
.bg-primary-light { background-color: var(--color-primary-bg); }
.bg-gray { background-color: var(--color-gray-50); }
.bg-white { background-color: var(--color-white); }

.fw-normal { font-weight: var(--font-normal); }
.fw-medium { font-weight: var(--font-medium); }
.fw-semibold { font-weight: var(--font-semibold); }
.fw-bold { font-weight: var(--font-bold); }

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--spacing-4); }
.mt-8 { margin-top: var(--spacing-8); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== GRID ===== */
.grid {
  display: grid;
  gap: var(--spacing-6);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* ===== FLEX ===== */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-col {
  flex-direction: column;
}

.gap-2 { gap: var(--spacing-2); }
.gap-4 { gap: var(--spacing-4); }
.gap-6 { gap: var(--spacing-6); }
.gap-8 { gap: var(--spacing-8); }

/* ===== АНИМАЦИИ ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.animate-fadeIn { animation: fadeIn 0.6s ease forwards; }
.animate-fadeInUp { animation: fadeInUp 0.6s ease forwards; }
.animate-fadeInDown { animation: fadeInDown 0.6s ease forwards; }
.animate-fadeInLeft { animation: fadeInLeft 0.6s ease forwards; }
.animate-fadeInRight { animation: fadeInRight 0.6s ease forwards; }
.animate-scaleIn { animation: scaleIn 0.6s ease forwards; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }
.animate-bounce { animation: bounce 2s ease-in-out infinite; }
.animate-spin { animation: spin 1s linear infinite; }

/* Задержки анимации */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }

/* Scroll-triggered animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.8s ease;
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.8s ease;
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

/* ===== SELECTION ===== */
::selection {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--color-gray-400);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-500);
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--color-white);
  z-index: var(--z-fixed);
  transition: all var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  height: calc(var(--header-height) - 10px);
}

.header > .container {
  height: 100%;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--spacing-8);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-gray-900);
  text-decoration: none;
  flex-shrink: 0;
}

.logo:hover {
  color: var(--color-primary);
}

.logo-icon {
  width: 125px;
  height: auto;
  border-radius: 0;
  overflow: visible;
  flex-shrink: 0;
}

.logo-image {
  width: 100%;
  height: auto;
  display: block;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

.nav-mobile-contacts {
  display: none;
}

.nav-link {
  padding: var(--spacing-2) var(--spacing-4);
  color: var(--color-gray-700);
  font-weight: var(--font-medium);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-bg);
}

.nav-link.active {
  color: var(--color-primary);
  background-color: var(--color-primary-bg);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: calc(100% - var(--spacing-8));
}

/* Header contacts */
.header-contacts {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.header-phone {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-weight: var(--font-semibold);
  color: var(--color-gray-900);
}

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

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

/* Mobile menu button */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px;
  height: 30px;
  cursor: pointer;
  z-index: var(--z-modal);
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--color-gray-800);
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: clip;
  background: #FFFFFF;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-12);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  margin-bottom: var(--spacing-6);
}

.hero-title {
  font-size: var(--text-5xl);
  line-height: 1.1;
  margin-bottom: var(--spacing-6);
}

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

.hero-description {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-8);
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-8);
  list-style: none;
}

.hero-features li,
.hero-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--text-sm);
  color: var(--color-gray-700);
}

.hero-features li svg,
.hero-feature svg {
  color: var(--color-success);
  flex-shrink: 0;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-4);
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
}

.hero-image-wrapper img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.hero-image-placeholder {
  width: 100%;
  height: 500px;
  background: linear-gradient(135deg, var(--color-gray-200), var(--color-gray-300));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
  font-size: var(--text-lg);
}

.hero-stats {
  position: absolute;
  bottom: -30px;
  left: -30px;
  background-color: var(--color-white);
  padding: var(--spacing-6);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  display: flex;
  gap: var(--spacing-8);
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
}

.hero-stat-label {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

/* ===== SERVICES CARDS ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-6);
}

.service-card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.service-card.popular {
  border: 2px solid var(--color-primary);
}

.service-card.popular::after {
  content: 'Популярно';
  position: absolute;
  top: 20px;
  right: -35px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: var(--color-white);
  padding: var(--spacing-1) var(--spacing-10);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  transform: rotate(45deg);
  text-transform: uppercase;
}

.service-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--color-primary-bg), var(--color-white));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-6);
  color: var(--color-primary);
  transition: all var(--transition-normal);
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  transform: scale(1.1);
}

.service-card h3 {
  margin-bottom: var(--spacing-3);
  font-size: var(--text-xl);
}

.service-card p {
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-4);
}

.service-features {
  list-style: none;
  margin-bottom: var(--spacing-6);
}

.service-features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) 0;
  color: var(--color-gray-700);
  font-size: var(--text-sm);
}

.service-features li svg {
  color: var(--color-success);
  flex-shrink: 0;
}

.service-price {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-2);
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--color-gray-200);
}

.service-price-value {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
}

.service-price-unit {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

/* ===== ADVANTAGES ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-6);
}

.advantage-card {
  display: flex;
  gap: var(--spacing-4);
  padding: var(--spacing-6);
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.advantage-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateX(5px);
}

.advantage-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  flex-shrink: 0;
}

.advantage-content h4 {
  margin-bottom: var(--spacing-2);
  font-size: var(--text-lg);
}

.advantage-content p {
  color: var(--color-gray-600);
  font-size: var(--text-sm);
  margin: 0;
}

/* ===== WORK STAGES ===== */
.stages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-8);
  position: relative;
}

.stage-card {
  text-align: center;
  position: relative;
}

.stage-number {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-6);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-lg);
}

.stage-card h4 {
  margin-bottom: var(--spacing-3);
}

.stage-card p {
  color: var(--color-gray-600);
  font-size: var(--text-sm);
}

/* ===== REVIEWS ===== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-6);
}

.review-card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

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

.review-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-4);
}

.review-avatar {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary-bg), var(--color-gray-200));
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
}

.review-author h5 {
  margin-bottom: var(--spacing-1);
}

.review-location {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.review-rating {
  display: flex;
  gap: var(--spacing-1);
  margin-bottom: var(--spacing-4);
}

.review-rating svg {
  color: var(--color-accent);
}

.review-text {
  color: var(--color-gray-700);
  font-style: italic;
  position: relative;
  padding-left: var(--spacing-4);
  border-left: 3px solid var(--color-primary);
}

.review-service {
  margin-top: var(--spacing-4);
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--color-gray-200);
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  margin-bottom: var(--spacing-4);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  padding: var(--spacing-5) var(--spacing-6);
  cursor: pointer;
  font-weight: var(--font-semibold);
  color: var(--color-gray-800);
  transition: all var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-question svg {
  flex-shrink: 0;
  transition: transform var(--transition-normal);
  color: var(--color-primary);
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq-answer-inner {
  padding: 0 var(--spacing-6) var(--spacing-5);
  color: var(--color-gray-600);
  line-height: var(--leading-relaxed);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

/* ===== CTA SECTION ===== */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  text-align: center;
  position: relative;
  overflow: clip;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--spacing-4);
}

.cta-section p {
  opacity: 0.9;
  margin-bottom: var(--spacing-8);
  font-size: var(--text-lg);
}

.cta-section .btn {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.cta-section .btn:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* ===== CONTACT FORM ===== */
.contact-form {
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-xl);
}

.contact-form h3 {
  margin-bottom: var(--spacing-6);
  text-align: center;
}

.form-group {
  margin-bottom: var(--spacing-4);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-weight: var(--font-medium);
  color: var(--color-gray-700);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4);
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
}

.form-checkbox input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  flex-shrink: 0;
}

.form-checkbox label {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  margin: 0;
}

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

.form-submit {
  margin-top: var(--spacing-6);
}

.form-submit .btn {
  width: 100%;
}

/* Form success/error states */
.form-message {
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-4);
  display: none;
}

.form-message.success {
  display: block;
  background-color: var(--color-success-bg);
  color: var(--color-success);
}

.form-message.error {
  display: block;
  background-color: var(--color-error-bg);
  color: var(--color-error);
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--color-gray-900);
  color: var(--color-gray-300);
  padding-top: var(--spacing-16);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-8);
  padding-bottom: var(--spacing-12);
  border-bottom: 1px solid var(--color-gray-800);
}

.footer-brand .logo {
  color: var(--color-white);
  margin-bottom: var(--spacing-4);
}

.footer-brand p {
  color: var(--color-gray-400);
  margin-bottom: var(--spacing-6);
}

.footer-socials {
  display: flex;
  gap: var(--spacing-3);
}

.footer-social {
  width: 44px;
  height: 44px;
  background-color: var(--color-gray-800);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  transition: all var(--transition-fast);
}

.footer-social:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.footer-column h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-6);
  font-size: var(--text-lg);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-3);
}

.footer-links a {
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

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

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
  min-width: 0;
}

.footer-contact-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact-item a {
  color: var(--color-gray-300);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.footer-contact-item a:hover {
  color: var(--color-primary-light);
}

.footer-bottom {
  padding: var(--spacing-6) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.footer-copyright {
  color: var(--color-gray-500);
  font-size: var(--text-sm);
}

.footer-legal {
  display: flex;
  gap: var(--spacing-6);
}

.footer-legal a {
  color: var(--color-gray-500);
  font-size: var(--text-sm);
}

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

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  z-index: var(--z-fixed);
  box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

/* ===== FLOATING SOCIALS ===== */
.floating-socials {
  position: fixed;
  left: 16px;
  right: auto;
  bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  z-index: var(--z-fixed);
}

.floating-social {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.floating-social svg {
  width: 24px;
  height: 24px;
}

.floating-social:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.floating-social-tg {
  background-color: #24a1de;
}

.floating-social-vk {
  background-color: #0077ff;
}

/* ===== COOKIE NOTICE ===== */
.cookie-notice {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-gray-900);
  color: var(--color-white);
  padding: var(--spacing-4) 0;
  z-index: var(--z-modal);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

.cookie-notice.visible {
  transform: translateY(0);
}

.cookie-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-6);
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1;
  font-size: var(--text-sm);
}

.cookie-text a {
  color: var(--color-primary-light);
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-3);
}

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-8);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal.active {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.modal-close {
  position: absolute;
  top: var(--spacing-4);
  right: var(--spacing-4);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background-color: var(--color-gray-100);
  color: var(--color-gray-600);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--color-error-bg);
  color: var(--color-error);
}

/* ===== SLIDER ===== */
.slider {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-2xl);
  width: 100%;
  min-width: 0;
  max-width: 800px;
  margin: 0 auto;
}

.slider-track {
  display: flex;
  transition: transform var(--transition-slow);
}

.slider-slide {
  min-width: 100%;
  width: 100%;
  aspect-ratio: 2 / 1;
  height: auto;
  position: relative;
}

.slider-slide img,
.slider-slide video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.slider-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-gray-200), var(--color-gray-300));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
}

.slider-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-8);
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: var(--color-white);
}

.slider-content h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-2);
}

.slider-controls {
  position: absolute;
  bottom: var(--spacing-4);
  right: var(--spacing-4);
  display: flex;
  gap: var(--spacing-2);
}

.slider-btn {
  width: 44px;
  height: 44px;
  background-color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-800);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.slider-btn:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.slider-dots {
  position: absolute;
  bottom: var(--spacing-4);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-2);
}

.slider-dot {
  width: 12px;
  height: 12px;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider-dot.active {
  background-color: var(--color-white);
  width: 30px;
}

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.95);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  max-width: 90%;
  max-height: 90%;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: var(--spacing-6);
  right: var(--spacing-6);
  width: 50px;
  height: 50px;
  background-color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-800);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lightbox-close:hover {
  background-color: var(--color-error);
  color: var(--color-white);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background-color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-800);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lightbox-nav:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.lightbox-prev {
  left: var(--spacing-6);
}

.lightbox-next {
  right: var(--spacing-6);
}

/* ===== GALLERY ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-4);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.gallery-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-gray-200), var(--color-gray-300));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(transparent 50%, rgba(0,0,0,0.7));
  opacity: 0;
  transition: opacity var(--transition-normal);
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-4);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay span {
  color: var(--color-white);
  font-weight: var(--font-medium);
}

/* ===== MAP ===== */
.map-container {
  border-radius: var(--radius-xl);
  overflow: hidden;
  height: 400px;
  background-color: var(--color-gray-200);
}

.map-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-500);
  flex-direction: column;
  gap: var(--spacing-4);
}

/* ===== LOADING ===== */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity var(--transition-normal);
}

.loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}


.service-modal::-webkit-scrollbar {
  display: none;
}
/* ===== SERVICE MODAL ===== */
.service-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: 0;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.service-modal.active {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}

.service-modal-header {
  position: relative;
  padding: var(--spacing-8);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.service-modal-header h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-2);
  padding-right: var(--spacing-8);
}

.service-modal-header p {
  opacity: 0.9;
  margin: 0;
}

.service-modal-close {
  position: absolute;
  top: var(--spacing-4);
  right: var(--spacing-4);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  transition: all var(--transition-fast);
}

.service-modal-close:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

.service-modal-body {
  padding: var(--spacing-8);
}

.service-modal-price {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-6);
  padding-bottom: var(--spacing-6);
  border-bottom: 1px solid var(--color-gray-200);
}

.service-modal-price-value {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-primary);
}

.service-modal-price-unit {
  color: var(--color-gray-500);
}

.service-modal-features {
  margin-bottom: var(--spacing-6);
}

.service-modal-features h4 {
  margin-bottom: var(--spacing-4);
  font-size: var(--text-lg);
}

.service-modal-features ul {
  list-style: none;
}

.service-modal-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  padding: var(--spacing-2) 0;
  color: var(--color-gray-700);
}

.service-modal-features li svg {
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 2px;
}

.service-modal-form h4 {
  margin-bottom: var(--spacing-4);
  font-size: var(--text-lg);
}

.service-card {
  cursor: pointer;
}

.service-card-btn {
  width: 100%;
  margin-top: var(--spacing-4);
}

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

/* Large Desktop (1400px+) */
@media (min-width: 1400px) {
  .container {
    max-width: var(--container-2xl);
  }
}

/* Desktop (1200px - 1399px) */
@media (max-width: 1399px) {
  .hero-title {
    font-size: var(--text-4xl);
  }
  
  .hero-image-wrapper img,
  .hero-image-placeholder {
    height: 450px;
  }
}

/* Laptop (992px - 1199px) */
@media (max-width: 1199px) {
  :root {
    --header-height: 70px;
  }
  
  .nav-link {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--text-sm);
  }
  
  .header-phone span {
    display: none;
  }
  
  .hero-inner {
    gap: var(--spacing-8);
  }
  
  .hero-stats {
    bottom: -20px;
    left: -20px;
    padding: var(--spacing-4);
    gap: var(--spacing-6);
  }
  
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--spacing-6);
  }
}

/* Tablet (768px - 991px) */
@media (max-width: 991px) {
  .header-contacts {
    display: none;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    padding: calc(var(--header-height) + var(--spacing-8)) var(--spacing-6) var(--spacing-6);
    box-shadow: var(--shadow-2xl);
    transition: right var(--transition-normal);
    gap: var(--spacing-2);
    overflow-y: auto;
  }
  
  .nav.active {
    right: 0;
  }
  
  .nav-link {
    padding: var(--spacing-4);
    font-size: var(--text-base);
    border-radius: var(--radius-lg);
  }
  
  .nav-link::after {
    display: none;
  }
  
  .nav-mobile-contacts {
    display: block;
    margin-top: auto;
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--color-gray-200);
  }
  
  .nav-mobile-phone {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
    background-color: var(--color-primary-bg);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
    font-weight: var(--font-semibold);
    margin-bottom: var(--spacing-4);
  }
  
  .nav-mobile-btn {
    width: 100%;
  }
  
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-content {
    max-width: 100%;
    order: 2;
  }
  
  .hero-image {
    order: 1;
  }
  
  .hero-features {
    justify-content: center;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-stats {
    position: relative;
    bottom: auto;
    left: auto;
    justify-content: center;
    margin-top: var(--spacing-6);
  }
  
  .hero-image-wrapper img,
  .hero-image-placeholder {
    height: 350px;
  }
  
  .section-title h2 {
    font-size: var(--text-2xl);
  }
  
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
  }
  
  .footer-brand {
    grid-column: span 2;
  }
}

/* Mobile Landscape (576px - 767px) */
@media (max-width: 767px) {
  :root {
    --header-height: 65px;
  }
  
  h1 {
    font-size: var(--text-3xl);
  }
  
  h2 {
    font-size: var(--text-2xl);
  }
  
  h3 {
    font-size: var(--text-xl);
  }
  
  .section {
    padding: var(--spacing-12) 0;
  }
  
  .section-lg {
    padding: var(--spacing-16) 0;
  }
  
  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + var(--spacing-8));
    padding-bottom: var(--spacing-12);
  }
  
  .hero-title {
    font-size: var(--text-3xl);
  }
  
  .hero-description {
    font-size: var(--text-base);
  }
  
  .hero-image-wrapper img,
  .hero-image-placeholder {
    height: 280px;
  }
  
  .hero-stats {
    flex-wrap: wrap;
    gap: var(--spacing-4);
  }
  
  .hero-stat-value {
    font-size: var(--text-2xl);
  }
  
  .btn-lg {
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--text-base);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .advantages-grid {
    grid-template-columns: 1fr;
  }
  
  .stages-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .reviews-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .contact-form {
    padding: var(--spacing-6);
  }
  
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .map-container {
    height: 300px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-brand {
    grid-column: span 1;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-legal {
    flex-direction: column;
    gap: var(--spacing-2);
  }
  
  .cookie-inner {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-buttons {
    width: 100%;
    flex-direction: column;
  }
  
  .cookie-buttons .btn {
    width: 100%;
  }
  
  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
  }

  .floating-socials {
    left: 12px;
    right: auto;
    bottom: 16px;
  }

  .floating-social {
    width: 44px;
    height: 44px;
  }
  
  .modal {
    padding: var(--spacing-6);
    width: 95%;
  }
  
  .lightbox-nav {
    width: 40px;
    height: 40px;
  }
  
  .lightbox-prev {
    left: var(--spacing-2);
  }
  
  .lightbox-next {
    right: var(--spacing-2);
  }
  
  .lightbox-close {
    top: var(--spacing-4);
    right: var(--spacing-4);
    width: 40px;
    height: 40px;
  }
}

/* Mobile Portrait (< 576px) */
@media (max-width: 575px) {
  :root {
    --header-height: 60px;
  }
  
  .container {
    padding: 0 var(--spacing-4);
  }
  
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .logo-icon {
    width: 125px;
    height: auto;
  }
  
  .hero-title {
    font-size: var(--text-2xl);
  }
  
  .hero-badge {
    font-size: var(--text-xs);
    padding: var(--spacing-1) var(--spacing-3);
  }
  
  .hero-features {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
  
  .hero-image-wrapper img,
  .hero-image-placeholder {
    height: 220px;
  }
  
  .hero-stats {
    padding: var(--spacing-4);
    gap: var(--spacing-4);
  }
  
  .hero-stat {
    flex: 1;
    min-width: 80px;
  }
  
  .hero-stat-value {
    font-size: var(--text-xl);
  }
  
  .hero-stat-label {
    font-size: var(--text-xs);
  }
  
  .section-title h2 {
    font-size: var(--text-xl);
  }
  
  .section-title p {
    font-size: var(--text-base);
  }
  
  .service-card {
    padding: var(--spacing-6);
  }
  
  .service-icon {
    width: 60px;
    height: 60px;
  }
  
  .advantage-card {
    flex-direction: column;
    text-align: center;
  }
  
  .advantage-icon {
    margin: 0 auto;
  }
  
  .stages-grid {
    grid-template-columns: 1fr;
  }
  
  .stage-number {
    width: 60px;
    height: 60px;
    font-size: var(--text-2xl);
  }
  
  .review-card {
    padding: var(--spacing-5);
  }
  
  .review-header {
    flex-direction: column;
    text-align: center;
  }
  
  .review-rating {
    justify-content: center;
  }
  
  .faq-question {
    padding: var(--spacing-4);
    font-size: var(--text-sm);
  }
  
  .faq-answer-inner {
    padding: 0 var(--spacing-4) var(--spacing-4);
    font-size: var(--text-sm);
  }
  
  .contact-form {
    padding: var(--spacing-5);
  }
  
  .slider-content {
    padding: var(--spacing-4);
  }
  
  .slider-content h3 {
    font-size: var(--text-lg);
  }
  
  .slider-controls {
    display: none;
  }

  .slider-dots {
    top: var(--spacing-4);
    bottom: auto;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-section h2 {
    font-size: var(--text-xl);
  }
  
  .cta-section p {
    font-size: var(--text-base);
  }
  
  .nav {
    width: 100%;
    right: -100%;
  }
}

/* Extra small devices */
@media (max-width: 374px) {
  .hero-title {
    font-size: var(--text-xl);
  }
  
  .btn {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--text-sm);
  }
  
  .btn-lg {
    padding: var(--spacing-3) var(--spacing-5);
    font-size: var(--text-sm);
  }
  
  .services-grid,
  .reviews-grid,
  .gallery-grid,
  .advantages-grid {
    grid-template-columns: 1fr;
  }
}

/* Landscape orientation on mobile */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: calc(var(--header-height) + var(--spacing-4)) 0 var(--spacing-8);
  }
  
  .hero-image {
    display: none;
  }
  
  .nav {
    padding-top: calc(var(--header-height) + var(--spacing-4));
  }
}

/* Print styles */
@media print {
  .header,
  .footer,
  .back-to-top,
  .cookie-notice,
  .modal-overlay,
  .modal,
  .lightbox {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
    color: #000;
    background: #fff;
  }
  
  .section {
    padding: 20pt 0;
    page-break-inside: avoid;
  }
  
  a {
    color: #000;
    text-decoration: underline;
  }
  
  .btn {
    border: 1px solid #000;
    background: none;
    color: #000;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .reveal,
  .reveal-left,
  .reveal-right {
    opacity: 1;
    transform: none;
  }
}

/* High contrast mode */
@media (prefers-contrast: more) {
  :root {
    --color-primary: #0000ff;
    --color-accent: #ff6600;
    --border-color: #000;
  }
  
  .btn {
    border-width: 2px;
  }
  
  .card,
  .service-card,
  .review-card,
  .faq-item {
    border: 2px solid var(--color-gray-800);
  }
}