/* Modal form field использует общие стили из .form-checkbox */
/* =====================
   CSS VARIABLES - THEME SYSTEM
   ===================== */
:root {
  /* Colors - Professional Orange Scheme (Light Theme) */
  --color-primary: #ff4500;
  --color-primary-dark: #cc3700;
  --color-primary-light: #ff6b33;
  --color-secondary: #1a1a1a;
  --color-accent: #ff8c00;
  --color-bg: #ffffff;
  --color-bg-light: #f5f7fa;
  --color-bg-dark: #1a1a1a;
  --color-text: #1a1a1a;
  --color-text-light: #4a4a4a;
  --color-text-white: #ffffff;
  --color-border: #d0d0d0;
  --color-border-light: #e5e5e5;
  --color-success: #228b22;
  --color-danger: #dc143c;
  --color-warning: #ffa500;
  
  /* Theme-specific colors */
  --color-surface: #ffffff;
  --color-surface-secondary: #f8f9fa;
  --color-surface-elevated: #ffffff;
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #4a4a4a;
  --color-text-muted: #6b7280;
  --color-border-primary: #d0d0d0;
  --color-border-secondary: #e5e5e5;
  --color-shadow: rgba(0, 0, 0, 0.1);
  --color-shadow-elevated: rgba(0, 0, 0, 0.15);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #ff4500 0%, #ff6b33 100%);
  --gradient-hero: linear-gradient(135deg, rgba(255, 69, 0, 0.9) 0%, rgba(255, 107, 51, 0.9) 100%);
  --gradient-accent: linear-gradient(135deg, #ff4500, #ff8c00);
  
  /* Social Media Colors */
  --color-instagram: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
  --color-telegram: #229ed9;
  --color-telegram-hover: #0088cc;
  --color-viber: #665c84;
  --color-viber-hover: #4c4292;
  --color-whatsapp: #25d366;
  --color-whatsapp-hover: #128c7e;
  
  /* Typography - Major Third Scale (1.25) */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;      /* 12px */
  --font-size-sm: 0.875rem;     /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-lg: 1.125rem;     /* 18px */
  --font-size-xl: 1.25rem;      /* 20px */
  --font-size-2xl: 1.563rem;    /* 25px */
  --font-size-3xl: 1.953rem;    /* 31px */
  --font-size-4xl: 2.441rem;    /* 39px */
  --font-size-5xl: 3.052rem;    /* 49px */
  --font-size-6xl: 3.815rem;    /* 61px */
  --font-size-7xl: 4.768rem;    /* 76px */
  
  /* Font weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  --font-weight-black: 900;
  
  /* Line heights */
  --line-height-tight: 1.1;
  --line-height-snug: 1.3;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.75;
  --line-height-loose: 2;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  --spacing-5xl: 8rem;
  
  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  
  /* Breakpoints */
  --breakpoint-sm: 480px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1200px;
}

/* =====================
   DARK THEME
   ===================== */
[data-theme="dark"] {
  /* Dark theme colors */
  --color-bg: #0f0f0f;
  --color-bg-light: #1a1a1a;
  --color-bg-dark: #000000;
  --color-text: #ffffff;
  --color-text-light: #b3b3b3;
  --color-text-white: #ffffff;
  --color-border: #333333;
  --color-border-light: #2a2a2a;
  
  /* Theme-specific dark colors */
  --color-surface: #1a1a1a;
  --color-surface-secondary: #2a2a2a;
  --color-surface-elevated: #2d2d2d;
  --color-text-primary: #ffffff;
  --color-text-secondary: #b3b3b3;
  --color-text-muted: #888888;
  --color-border-primary: #333333;
  --color-border-secondary: #2a2a2a;
  --color-shadow: rgba(0, 0, 0, 0.3);
  --color-shadow-elevated: rgba(0, 0, 0, 0.4);
  
  /* Dark theme gradients */
  --gradient-hero: linear-gradient(135deg, rgba(255, 69, 0, 0.8) 0%, rgba(255, 107, 51, 0.8) 100%);
}

/* =====================
   SYSTEM PREFERENCE DETECTION
   ===================== */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    /* Auto dark theme when system preference is dark */
    --color-bg: #0f0f0f;
    --color-bg-light: #1a1a1a;
    --color-bg-dark: #000000;
    --color-text: #ffffff;
    --color-text-light: #b3b3b3;
    --color-text-white: #ffffff;
    --color-border: #333333;
    --color-border-light: #2a2a2a;
    
    /* Theme-specific dark colors */
    --color-surface: #1a1a1a;
    --color-surface-secondary: #2a2a2a;
    --color-surface-elevated: #2d2d2d;
    --color-text-primary: #ffffff;
    --color-text-secondary: #b3b3b3;
    --color-text-muted: #888888;
    --color-border-primary: #333333;
    --color-border-secondary: #2a2a2a;
    --color-shadow: rgba(0, 0, 0, 0.3);
    --color-shadow-elevated: rgba(0, 0, 0, 0.4);
    
    /* Dark theme gradients */
    --gradient-hero: linear-gradient(135deg, rgba(255, 69, 0, 0.8) 0%, rgba(255, 107, 51, 0.8) 100%);
  }
}

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

/* =====================
   THEME TRANSITIONS
   ===================== */
* {
  transition: background-color var(--transition-base), 
              color var(--transition-base), 
              border-color var(--transition-base),
              box-shadow var(--transition-base);
}

/* Disable transitions during theme change to prevent flash */
.theme-changing * {
  transition: none !important;
}

/* =====================
   SAFARI SPECIFIC FIXES
   ===================== */
/* Fix for Safari on iOS not updating background colors */
@supports (-webkit-touch-callout: none) {
  body {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
  }
  
  .hero,
  .about,
  .services,
  .specifications,
  .advantages,
  .testimonials,
  .contacts,
  .footer {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
  }
}

/* Force hardware acceleration for theme changes */
[data-theme="dark"] body,
[data-theme="dark"] .hero,
[data-theme="dark"] .about,
[data-theme="dark"] .services,
[data-theme="dark"] .specifications,
[data-theme="dark"] .advantages,
[data-theme="dark"] .testimonials,
[data-theme="dark"] .contacts,
[data-theme="dark"] .footer {
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  will-change: background-color, color;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-normal);
}

/* Page layout helpers */
.main--page {
  padding-top: 90px;
}

@media (min-width: 768px) {
  .main--page { padding-top: 110px; }
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  display: block;
  border-style: none;
}

/* Links */
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-base);
  background-color: transparent;
}

a:hover,
a:focus {
  text-decoration: underline;
}

/* Buttons */
button {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  border: none;
  background: none;
  cursor: pointer;
  transition: var(--transition-base);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

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

/* Form elements */
input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  border: none;
  outline: none;
  transition: var(--transition-base);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

input:disabled,
textarea:disabled,
select:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

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

/* Tables */
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* Media */
audio,
video {
  display: block;
  max-width: 100%;
}

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

/* Focus styles */
*:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.2);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -40px;
  left: var(--spacing-sm);
  background: var(--color-primary);
  color: var(--color-text-white);
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  border-radius: var(--radius-md);
  z-index: var(--z-tooltip);
  transition: var(--transition-base);
  font-weight: var(--font-weight-semibold);
}

.skip-link:focus {
  top: var(--spacing-sm);
}


/* =====================
   SHARED COMPONENTS
   ===================== */

/* Social Links - Base Styles */
.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  text-decoration: none;
  position: relative;
  cursor: pointer;
}

.social-link svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.social-link:hover {
  transform: scale(1.1);
}

.social-link:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.3);
}

/* Social Link Variants */
.social-link--instagram {
  background: var(--color-instagram);
  color: var(--color-text-white);
}

.social-link--instagram:hover,
.social-link--instagram:focus {
  filter: brightness(1.2);
  box-shadow: 0 0 10px rgba(214, 36, 159, 0.3);
}

.social-link--telegram {
  background-color: var(--color-telegram);
  color: var(--color-text-white);
}

.social-link--telegram:hover,
.social-link--telegram:focus {
  background-color: var(--color-telegram-hover);
}

.social-link--viber {
  background-color: var(--color-viber);
  color: var(--color-text-white);
}

.social-link--viber:hover,
.social-link--viber:focus {
  background-color: var(--color-viber-hover);
}

.social-link--whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-text-white);
}

.social-link--whatsapp:hover,
.social-link--whatsapp:focus {
  background-color: var(--color-whatsapp-hover);
}

/* Form Elements - Base Styles */
.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--color-border-primary);
  border-radius: var(--radius-md);
  background: var(--color-surface-elevated);
  color: var(--color-text-primary);
  transition: var(--transition-base);
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
  outline: none;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* Form Submit Button - Base Styles */
.form-submit {
  width: 100%;
  background: var(--color-primary);
  color: var(--color-text-white);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  transition: var(--transition-base);
  border: 2px solid var(--color-primary);
  box-shadow: 0 4px 12px rgba(255, 69, 0, 0.3);
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  text-decoration: none;
}

.form-submit:hover,
.form-submit:focus {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 69, 0, 0.4);
  text-decoration: none;
}

/* Checkbox - Base Styles */
.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-right: var(--spacing-sm);
  cursor: pointer;
  position: relative;
  display: inline-block;
  vertical-align: middle;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  border: 2px solid var(--color-border-primary);
  border-radius: 4px;
  background: var(--color-surface-elevated);
  box-shadow: 0 0 0 2px transparent;
  transition: border-color var(--transition-base), background-color var(--transition-base), box-shadow var(--transition-base);
}

.form-checkbox input[type="checkbox"]:hover {
  border-color: var(--color-primary);
}

.form-checkbox input[type="checkbox"]:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.25);
  border-color: var(--color-primary);
}

.form-checkbox input[type="checkbox"]:checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.form-checkbox input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 0px;
  width: 6px;
  height: 12px;
  border: solid var(--color-text-white);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.form-checkbox label {
  display: inline-block;
  font-weight: 600;
  margin: 0;
  cursor: pointer;
}

/* =====================
   HEADER
   ===================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-primary);
  z-index: var(--z-fixed);
  transition: var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.header__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-base);
}

.header__logo:hover,
.header__logo:focus {
  color: var(--color-primary-dark);
  transform: scale(1.05);
}

.header__logo .material-icons {
  font-size: 28px;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.header__menu {
  display: none;
  flex-direction: column;
  gap: var(--spacing-md);
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

.header__nav.active .header__menu {
  display: flex;
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  z-index: var(--z-dropdown);
}

.header__menu-link {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  padding: var(--spacing-md) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  text-decoration: none;
  display: block;
  text-align: center;
  font-size: var(--font-size-lg);
  border: 1px solid transparent;
}

.header__menu-link:hover,
.header__menu-link:focus {
  color: var(--color-primary);
  background: var(--color-surface-secondary);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.header__contact {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Показ и центрирование контактов на экранах 425px+ */
@media (min-width: 425px) {
  .header__contact {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    justify-content: center;
  }
}

.header__contacts {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-md);
}

@media (min-width: 1024px) {
  .header__contacts {
    gap: var(--spacing-xl);
  }
}

.header__phone {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  transition: var(--transition-base);
  text-decoration: none;
  font-size: var(--font-size-sm);
}

.header__phone:hover,
.header__phone:focus {
  color: var(--color-primary);
  text-decoration: underline;
}

/* Social Links */
.header__social {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
}

@media (min-width: 1024px) {
  .header__social {
    gap: var(--spacing-lg);
  }
}

.header__social-link {
  width: 32px;
  height: 32px;
  padding: var(--spacing-xs);
}

.header__order-btn {
  background: var(--color-primary);
  color: var(--color-text-white);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  transition: var(--transition-base);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.header__order-btn:hover,
.header__order-btn:focus {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.header__mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  width: 40px;
  height: 40px;
  justify-content: center;
  align-items: center;
}

.header__mobile-menu-btn:hover,
.header__mobile-menu-btn:focus {
  background: var(--color-bg-light);
}

.header__hamburger {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
  position: relative;
}

.header__tooglers {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header__hamburger::before,
.header__hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  right: 0;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

.header__hamburger::before {
  transform: translateY(-8px);
}

.header__hamburger::after {
  transform: translateY(8px);
}

.header__mobile-menu-btn[aria-expanded="true"] .header__hamburger {
  background: transparent;
}

.header__mobile-menu-btn[aria-expanded="true"] .header__hamburger::before {
  transform: translateY(0) rotate(45deg);
}

.header__mobile-menu-btn[aria-expanded="true"] .header__hamburger::after {
  transform: translateY(0) rotate(-45deg);
}

/* =====================
   THEME TOGGLE
   ===================== */
.header__theme-toggle {
  display: flex;
  align-items: center;
  margin-left: var(--spacing-md);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 2px solid var(--color-border-primary);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover,
.theme-toggle:focus {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-text-white);
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(255, 69, 0, 0.3);
}

.theme-toggle:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.theme-toggle__icon {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  transition: all var(--transition-base);
  transform: rotate(0deg);
}

.theme-toggle__icon--light {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.theme-toggle__icon--dark {
  opacity: 0;
  transform: rotate(180deg) scale(0.8);
}

/* Dark theme toggle states */
[data-theme="dark"] .theme-toggle__icon--light {
  opacity: 0;
  transform: rotate(-180deg) scale(0.8);
}

[data-theme="dark"] .theme-toggle__icon--dark {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

/* System dark theme toggle states */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .theme-toggle__icon--light {
    opacity: 0;
    transform: rotate(-180deg) scale(0.8);
  }
  
  :root:not([data-theme]) .theme-toggle__icon--dark {
    opacity: 1;
    transform: rotate(0deg) scale(1);
  }
}

/* Mobile theme toggle */
@media (max-width: 767px) {
  .header__theme-toggle {
    margin-left: var(--spacing-sm);
  }
  
  .theme-toggle {
    width: 36px;
    height: 36px;
  }
}

/* Tablet and Desktop Header */
@media (min-width: 768px) {
  .header__mobile-menu-btn {
    display: none;
  }
  
  .header__menu {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-md);
    position: static;
    background: transparent;
    border: none;
    padding: 0;
    transform: none;
    opacity: 1;
    visibility: visible;
  }
  
  .header__menu-link {
    text-align: left;
  }
  
  /* header__contacts styles moved to mobile-first section above */
  
  .header__phone {
    font-size: var(--font-size-base);
  }
}

/* Large Desktop Header */
@media (min-width: 1024px) {
  .header__container {
    padding: var(--spacing-md) var(--spacing-lg);
  }
  
  .header__menu {
    gap: var(--spacing-md);
  }
}

/* =====================
   HERO
   ===================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 830px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    min-height: none;
  }
}
/* Фоновое изображение манипулятора */
.hero__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background-color: var(--color-text-light);
}

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

/* Темный оверлей для читаемости текста */
.hero__background::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 2;
}

.hero__container {
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  position: relative;
  z-index: 3;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

@media (min-width: 1024px) {
  .hero__container {
    max-width: 1200px;
    padding: 0 var(--spacing-md);
    align-items: center;
  }
}

/* Контейнер для контента - премиальный дизайн */
.hero__content {
  padding: calc(80px + var(--spacing-xl)) var(--spacing-xl) var(--spacing-xl);
  text-align: center;
  animation: fadeInUp 0.8s ease-out;
  width: 100%;
  max-width: 900px;
  z-index: 3;
}

@media (min-width: 360px) {
  .hero__content {
    padding: calc(80px) var(--spacing-md) var(--spacing-md);
  }
}

@media (min-width: 480px) {
  .hero__content {
    padding: calc(80px + var(--spacing-xl)) var(--spacing-xl) var(--spacing-xl);
  }
}

.hero__title {
  font-size: clamp(2rem, 5vw, var(--font-size-5xl));
  font-weight: var(--font-weight-black);
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-white);
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.5), 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero__title-accent {
  color: var(--color-primary-light);
  font-weight: var(--font-weight-black);
  text-shadow: 0 4px 12px rgba(255, 107, 51, 0.6), 0 2px 4px rgba(0, 0, 0, 0.4);
  filter: drop-shadow(0 0 20px rgba(255, 107, 51, 0.4));
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, var(--font-size-xl));
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--spacing-xl);
  line-height: var(--line-height-relaxed);
  font-weight: var(--font-weight-medium);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0, 0, 0, 0.3);
}

.hero__features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.hero__feature {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-weight: var(--font-weight-semibold);
  font-size: clamp(0.875rem, 2vw, var(--font-size-base));
  color: var(--color-text-white);
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0, 0, 0, 0.3);
}

.hero__feature .material-icons {
  color: #4ade80;
  font-size: 26px;
  filter: drop-shadow(0 2px 6px rgba(74, 222, 128, 0.4));
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
}

.hero__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-sm);
  border-radius: var(--radius-lg);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  transition: var(--transition-base);
  text-decoration: none;
  width: 100%;
  max-width: 280px;
  border: 2px solid transparent;
}

.hero__btn--primary {
  background: var(--gradient-primary);
  color: var(--color-text-white);
  font-weight: var(--font-weight-bold);
  box-shadow: 0 4px 14px rgba(255, 69, 0, 0.4), 0 10px 30px rgba(255, 69, 0, 0.2);
  position: relative;
  overflow: hidden;
}

@media (min-width: 340px) {
  .hero__btn {
    padding: var(--spacing-md) var(--spacing-xl);
  }
}

.hero__btn--primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s;
}

.hero__btn--primary:hover::before {
  left: 100%;
}

.hero__btn--primary:hover,
.hero__btn--primary:focus {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 69, 0, 0.5), 0 15px 40px rgba(255, 69, 0, 0.3);
  text-decoration: none;
}

.hero__btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  font-weight: var(--font-weight-semibold);
  box-shadow: 0 2px 8px var(--color-shadow);
}

.hero__btn--secondary:hover,
.hero__btn--secondary:focus {
  background: var(--color-primary);
  color: var(--color-text-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 69, 0, 0.3);
  text-decoration: none;
}


/* Адаптивность для планшетов */
@media (min-width: 768px) {
  .hero__content {
    padding: calc(60px + var(--spacing-md)) var(--spacing-2xl) var(--spacing-3xl);
    max-width: 800px;
  }
  
  .hero__features {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
  }
  
  .hero__actions {
    flex-direction: row;
    justify-content: center;
  }
  
  .hero__btn {
    min-width: 200px;
  }
}

/* Адаптивность для десктопа */
@media (min-width: 1024px) {
  .hero__container {
    max-width: 1200px;
    padding: 0 var(--spacing-2xl);
  }
  
  .hero__content {
    padding: calc(70px + var(--spacing-md)) var(--spacing-3xl) var(--spacing-4xl);
    max-width: 950px;
  }
  
  .hero__features {
    gap: var(--spacing-xl);
  }
  
  .hero__btn {
    font-size: var(--font-size-lg);
    padding: var(--spacing-lg) var(--spacing-2xl);
    min-width: 220px;
  }
}

/* Адаптивность для больших экранов */
@media (min-width: 1440px) {
  .hero__content {
    max-width: 1100px;
    padding: calc(70px + var(--spacing-md)) var(--spacing-4xl) var(--spacing-5xl);
  }
}

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

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

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

/* =====================
   ABOUT
   ===================== */
.about {
  padding: var(--spacing-2xl) 0;
  background: var(--color-bg);
}

@media screen and (min-width: 768px) {
  .about {
    padding: var(--spacing-4xl) 0;
  }
}

.about__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  text-align: center;
}

/* Privacy page container mirrors about__container spacing */
.privacy__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.about__content {
  order: 2;
}

.about__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
}

.about__text {
  font-size: var(--font-size-base);
  color: var(--color-text);
  margin-bottom: var(--spacing-2xl);
  line-height: var(--line-height-normal);
  font-weight: var(--font-weight-medium);
}

.about__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
}

.about__stat {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
  border: 2px solid transparent;
}

.about__stat:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.about__stat-number {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.about__stat-label {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

.about__image {
  order: 1;
}

.about__image img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: auto;
}

/* Tablet About */
@media (min-width: 768px) {
  .about__container {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    text-align: left;
  }
  .privacy__container {
    padding: 0 var(--spacing-xl);
  }
  
  .about__content {
    order: 1;
  }
  
  .about__image {
    order: 2;
  }
  
  .about__title {
    font-size: var(--font-size-3xl);
  }
  
  .about__text {
    font-size: var(--font-size-lg);
  }
  
  .about__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
  }
  
  .about__stat-number {
    font-size: var(--font-size-3xl);
  }
  
  .about__stat-label {
    font-size: var(--font-size-base);
  }
}
.breadcrumbs {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-primary);
}

.breadcrumbs__list {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-sm);
  list-style: none;
}

.breadcrumbs__item {
  color: var(--color-text-secondary);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: var(--color-border-secondary);
}

.breadcrumbs__link {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-base);
}

.breadcrumbs__link:hover,
.breadcrumbs__link:focus {
  color: var(--color-text-primary);
  outline: none;
}

.breadcrumbs__item--current .breadcrumbs__current {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
}

/* =====================
   SERVICES
   ===================== */
.services {
  padding: var(--spacing-2xl) 0;
  background: var(--color-bg-light);
}

@media screen and (min-width: 768px) {
  .services {
    padding: var(--spacing-4xl) 0;
  }
}

.services__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.services__title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: var(--color-text);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

@media screen and (min-width: 768px) {
  .services__title {
    margin-bottom: var(--spacing-4xl);
  }
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.service-card {
  position: relative;
  background: var(--color-bg);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid var(--color-border-light);
  overflow: hidden;
}

/* Градиентная рамка при hover */
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s;
}

.service-card:hover::before {
  opacity: 1;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(25, 118, 210, 0.15), 0 10px 20px rgba(25, 118, 210, 0.1);
}

.service-card__icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  box-shadow: 0 8px 20px rgba(25, 118, 210, 0.3);
}

.service-card__icon .material-icons {
  font-size: 40px;
  color: var(--color-text-white);
}

.service-card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
}

.service-card__description {
  color: var(--color-text);
  line-height: 1.6;
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
}

.service-card__price {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 1px 2px rgba(255, 69, 0, 0.3);
}

.service-card__actions {
  display: flex;
  margin-top: auto;
}

.service-card__btn {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.service-card__btn--primary {
  background: var(--gradient-primary);
  color: var(--color-text-white);
}

.service-card__btn--primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.service-card__btn--primary:hover::after {
  opacity: 1;
}

.service-card__btn--primary:hover,
.service-card__btn--primary:focus {
  transform: scale(1.02);
  box-shadow: 0 6px 16px rgba(25, 118, 210, 0.4);
}


/* Mobile Services - базовые стили уже mobile-first */

/* =====================
   SPECIFICATIONS
   ===================== */
.specifications {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-light) 100%);
  position: relative;
  overflow: hidden;
}

.specifications::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(45deg, var(--color-primary) 0%, var(--color-accent) 100%);
  opacity: 0.03;
  z-index: 1;
}

.specifications__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  position: relative;
  z-index: 2;
}

.specifications__title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  text-align: center;
  margin-bottom: var(--spacing-4xl);
  color: var(--color-text);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.specifications__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
}

.specifications__image img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-xl);
}

.specifications__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  position: relative;
  z-index: 2;
  animation: fadeInLeft 0.8s ease-out 0.4s both;
}

/* Specifications responsive */
@media (min-width: 500px) {
  .specifications__list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
}

/* Grid layout for large screens */
@media (min-width: 1024px) {
  .specifications__list {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
  }

  .spec-item {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
  }

  .spec-item__icon {
    width: 50px;
    height: 50px;
    margin: 0 auto;
  }

  .spec-item__icon .material-icons {
    font-size: 24px;
  }

  .spec-item__title {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xs);
  }

  .spec-item__value {
    font-size: var(--font-size-lg);
  }
}

.spec-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 2px solid var(--color-border);
  transition: var(--transition-base);
  opacity: 0;
  transform: translateY(30px);
}

.spec-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.spec-item:hover .spec-item__icon {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(255, 69, 0, 0.4);
}

.spec-item.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.spec-item__icon {
  width: 60px;
  height: 60px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(255, 69, 0, 0.3);
  transition: var(--transition-base);
}

.spec-item__icon .material-icons {
  font-size: 28px;
  color: var(--color-text-white);
}

.spec-item__content {
  flex: 1;
}

.spec-item__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
}

.spec-item__value {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--color-primary);
  text-shadow: 0 1px 2px rgba(255, 69, 0, 0.3);
}

/* Mobile Specifications - базовые стили */
.specifications__content {
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
}

.specifications__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

/* Desktop Specifications - 3 в ряд */
@media (min-width: 768px) {
  .specifications__list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop Specifications */
@media (min-width: 1024px) {
  .specifications__content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
  }

  .spec-item {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
  }

  .spec-item:hover {
    transform: translateY(-5px);
  }

  .spec-item__icon {
    width: 50px;
    height: 50px;
  }

  .spec-item__icon .material-icons {
    font-size: 24px;
  }
}

/* =====================
   ADVANTAGES
   ===================== */
.advantages {
  padding: var(--spacing-2xl) 0;
  background: var(--color-bg);
}

@media screen and (min-width: 768px) {
  .advantages {
    padding: var(--spacing-4xl) 0;
  }
}

.advantages__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.advantages__title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: var(--color-text);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

@media screen and (min-width: 768px) {
  .advantages__title {
    margin-bottom: var(--spacing-4xl);
  }
}

.advantages__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .advantages__grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
  }
}

.advantage-card {
  background: var(--color-bg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
  border: 1px solid var(--color-border-light);
  position: relative;
}

@media (min-width: 768px) {
  .advantage-card {
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
  }
}

.advantage-card:hover {
  transform: translateY(-12px) rotateX(5deg);
  box-shadow: 0 30px 60px rgba(25, 118, 210, 0.2), 0 15px 30px rgba(25, 118, 210, 0.15);
}

.advantage-card__icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  box-shadow: 0 10px 30px rgba(25, 118, 210, 0.3);
  transition: all 0.4s;
  position: relative;
}

@media (min-width: 768px) {
  .advantage-card__icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-lg);
  }
}

.advantage-card:hover .advantage-card__icon {
  transform: scale(1.1) rotateY(15deg);
  box-shadow: 0 15px 40px rgba(25, 118, 210, 0.4);
}

/* Пульсирующее кольцо вокруг иконки */
.advantage-card__icon::before {
  content: '';
  position: absolute;
  inset: -10px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-primary-light);
  opacity: 0;
  animation: iconPulse 2s infinite;
}

@keyframes iconPulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.3);
    opacity: 0;
  }
}

.advantage-card__icon .material-icons {
  font-size: 40px;
  color: var(--color-text-white);
}

@media (min-width: 768px) {
  .advantage-card__icon .material-icons {
    font-size: 48px;
  }
}

.advantage-card__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
}

@media (min-width: 768px) {
  .advantage-card__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
  }
}

.advantage-card__description {
  color: var(--color-text);
  line-height: 1.5;
  font-weight: 500;
  font-size: var(--font-size-base);
}

@media (min-width: 768px) {
  .advantage-card__description {
    font-size: var(--font-size-base);
    line-height: 1.6;
  }
}

/* =====================
   CTA
   ===================== */
.cta {
  padding: var(--spacing-4xl) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: var(--color-text-white);
  text-align: center;
}

.cta__container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.cta__title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.cta__subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-2xl);
  font-weight: 600;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.cta__phone {
  color: var(--color-text-white);
  font-weight: 600;
  text-decoration: underline;
}

.cta__phone:hover,
.cta__phone:focus {
  opacity: 0.8;
}

.cta__actions {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.cta__btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-lg);
  transition: var(--transition-base);
  text-decoration: none;
}

.cta__btn--primary {
  background: var(--color-text-white);
  color: var(--color-primary);
  font-weight: 700;
  border: 3px solid var(--color-text-white);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.3);
}

.cta__btn--primary:hover,
.cta__btn--primary:focus {
  background: var(--color-bg-light);
  border-color: var(--color-bg-light);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4);
}

.cta__btn--secondary {
  background: transparent;
  color: var(--color-text-white);
  border: 3px solid var(--color-text-white);
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(255, 255, 255, 0.2);
}

.cta__btn--secondary:hover,
.cta__btn--secondary:focus {
  background: var(--color-text-white);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(255, 255, 255, 0.3);
}

/* Mobile CTA - базовые стили */
.cta__actions {
  flex-direction: column;
  align-items: center;
}

/* Desktop CTA */
@media (min-width: 768px) {
  .cta__actions {
    flex-direction: row;
    justify-content: center;
  }

  .cta__btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
}

/* =====================
   CONTACTS
   ===================== */
.contacts {
  padding: var(--spacing-2xl) 0;
  background: var(--color-bg);
}

@media screen and (min-width: 768px) {
  .contacts {
    padding: var(--spacing-4xl) 0;
  }
}

.contacts__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.contacts__title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  color: var(--color-text);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

@media screen and (min-width: 768px) {
  .contacts__title {
    margin-bottom: var(--spacing-4xl);
  }
}

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

.contacts__map {
  margin: var(--spacing-2xl) 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

@media screen and (min-width: 768px) {
  .contacts__map {
    margin: var(--spacing-4xl) 0;
  }
}

@media screen and (min-width: 768px) {
  .contacts__content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
  }
  
  .contacts__map {
    margin: 0;
    height: 400px;
  }
  
  .contacts__form {
    margin-top: var(--spacing-2xl);
    /* max-width: 600px; */
    margin: 0 auto;
  }
}

.contacts__info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.contact-item:hover {
  transform: translateX(10px);
  box-shadow: var(--shadow-md);
}

.contact-item__icon {
  width: 60px;
  height: 60px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-item__icon .material-icons {
  font-size: 28px;
  color: var(--color-text-white);
}

.contact-item__content {
  flex: 1;
}

.contact-item__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
}

.contact-item__value {
  font-size: var(--font-size-base);
  color: var(--color-text);
  font-weight: 500;
}

.contact-item__value a {
  color: var(--color-primary);
  font-weight: 600;
}

.contact-item__value a:hover,
.contact-item__value a:focus {
  text-decoration: underline;
}

.contacts__form {
  background: var(--color-bg-light);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.contacts__form-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
}

.contacts-form__field {
  margin-bottom: var(--spacing-lg);
}

.contacts-form__label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
}

/* Contacts form использует общие стили из .form-input, .form-textarea, .form-submit */
.contacts-form__textarea {
  min-height: 120px;
}

/* Mobile Contacts - базовые стили */
.contacts__content {
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
}

/* Contacts info responsive */
@media (min-width: 500px) {
  .contacts__info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }

  .contact-item {
    display: flex;
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }
}

/* Desktop Contacts */
@media (min-width: 768px) {
  .contacts__content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
  }

  .contact-item {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }

  .contact-item:hover {
    transform: translateY(-5px);
  }
}

/* =====================
   FOOTER
   ===================== */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-white);
  padding: var(--spacing-4xl) 0 var(--spacing-lg);
}

@media screen and (min-width: 768px) {
  .footer {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
  }
}

.footer__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.footer__main {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
  align-items: start;
}

@media screen and (min-width: 768px) {
  .footer__main {
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-4xl);
    margin-bottom: var(--spacing-2xl);
  }
}

@media screen and (min-width: 1024px) {
  .footer__main {
    gap: var(--spacing-2xl);
  }
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.footer__brand-nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
}

@media screen and (min-width: 768px) {
  .footer__logo {
    margin-bottom: var(--spacing-md);
  }
}

.footer__logo .material-icons {
  font-size: 28px;
}

.footer__description {
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  font-weight: 500;
}

.footer__nav-title,
.footer__contact-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-white);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

@media screen and (min-width: 768px) {
  .footer__nav-title,
  .footer__contact-title {
    margin-bottom: var(--spacing-lg);
  }
}

@media screen and (min-width: 1024px) {
  .footer__nav-title,
  .footer__contact-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
  }
}

.footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__nav-link {
  color: rgba(255, 255, 255, 0.9);
  transition: var(--transition-base);
  font-weight: 500;
}

.footer__nav-link:hover,
.footer__nav-link:focus {
  color: var(--color-primary);
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  line-height: var(--line-height-normal);
}

@media screen and (min-width: 768px) {
  .footer__contact-item {
    margin-bottom: var(--spacing-md);
  }
}

@media screen and (min-width: 1024px) {
  .footer__contact-item {
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-base);
  }
}

.footer__contact-item .material-icons {
  font-size: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}

@media screen and (min-width: 1024px) {
  .footer__contact-item .material-icons {
    font-size: 22px;
  }
}

.footer__contact-item a {
  color: rgba(255, 255, 255, 0.9);
  transition: var(--transition-base);
  font-weight: 600;
}

.footer__contact-item a:hover,
.footer__contact-item a:focus {
  color: var(--color-primary);
}

/* Footer Social Links */
.footer__social {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin: var(--spacing-2xl) 0;
  padding: var(--spacing-xl) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media screen and (min-width: 768px) {
  .footer__social {
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-lg) 0;
  }
}

.footer__social-link {
  width: 40px;
  height: 40px;
  padding: var(--spacing-sm);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.footer__social-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

@media screen and (min-width: 768px) {
  .footer__social-link {
    width: 48px;
    height: 48px;
    padding: var(--spacing-md);
  }
}

@media screen and (min-width: 1024px) {
  .footer__social-link {
    width: 52px;
    height: 52px;
  }
}

.footer__social-link svg {
  width: 70%;
  height: 70%;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

@media screen and (min-width: 768px) {
  .footer__bottom {
    padding: var(--spacing-2xl) 0;
  }
}

/* Mobile Footer - базовые стили */
.footer__main {
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  text-align: center;
}

.footer__brand {
  align-items: center;
  text-align: center;
}

.footer__social {
  justify-content: center;
}

/* Desktop Footer */
@media (min-width: 768px) {
  .footer__main {
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-4xl);
    text-align: left;
  }
  
  .footer__brand {
    align-items: flex-start;
    text-align: left;
  }
}

.footer__copyright {
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
}

@media screen and (min-width: 768px) {
  .footer__copyright {
    font-size: var(--font-size-base);
  }
}

/* Footer Legal Info */
.footer__legal {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-xl) 0;
}

.footer__legal-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-white);
  margin-bottom: var(--spacing-md);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.footer__legal-text {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

/* Tablet Footer Legal */
@media (min-width: 768px) {
  .footer__legal {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-2xl) 0;
  }
}

@media (min-width: 1024px) {
  .footer__legal {
    gap: var(--spacing-4xl);
  }
}

/* Mobile Footer styles already defined above */

/* =====================
   MODAL
   ===================== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  /* bottom: 0; */
  height: 100dvh;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  padding: var(--spacing-md);
}

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

.modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
}

.modal__container {
  position: relative;
  background: var(--color-surface);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-primary);
  box-shadow: var(--shadow-xl);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: var(--transition-base);
}

.modal.active .modal__container {
  transform: scale(1);
}

.modal__close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 40px;
  height: 40px;
  background: var(--color-bg-light);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
  z-index: 1;
}

.modal__close:hover,
.modal__close:focus {
  background: var(--color-primary);
  color: var(--color-text-white);
}

.modal__close .material-icons {
  font-size: 20px;
}

.modal__title {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-primary);
  padding: var(--spacing-2xl) var(--spacing-2xl) 0;
  text-shadow: 0 1px 2px var(--color-shadow);
}

.modal__form {
  padding: 0 var(--spacing-2xl) var(--spacing-2xl);
}

.modal__form-field {
  margin-bottom: var(--spacing-lg);
}

.modal__form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
  text-shadow: 0 1px 1px var(--color-shadow);
}

/* Modal form использует общие стили из .form-input, .form-textarea, .form-submit */
.modal__form-textarea {
  min-height: 100px;
}

/* Примечание под формой и чекбокс согласия */
.modal__form-note {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
}

.modal__form-note a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* =====================
   CONTACTS TRANSITIONS (was inline)
   ===================== */
.contact-item,
.contact-item__icon,
.contact-item__title,
.contact-item__value,
.contacts__map,
#map {
  transition: background-color var(--transition-base),
              color var(--transition-base),
              border-color var(--transition-base);
}

.contacts__map #map,
#map {
  width: 100%;
  height: 400px;
}

/* =====================
   MODAL FORM CHECKBOX
   ===================== */
.modal__form-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* =====================
   ABOUT TITLE SPACED
   ===================== */
.about__title--spaced {
  margin-top: 24px;
}

.modal__form-submit:hover,
.modal__form-submit:focus {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 69, 0, 0.4);
}

.modal__thanks {
  padding: var(--spacing-2xl);
  text-align: center;
}

.modal__thanks-icon {
  width: 80px;
  height: 80px;
  background: var(--color-success);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
}

.modal__thanks-icon .material-icons {
  font-size: 40px;
  color: var(--color-text-white);
}

.modal__thanks-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
  text-shadow: 0 1px 1px var(--color-shadow);
}

.modal__thanks-text {
  color: var(--color-text-primary);
  line-height: 1.6;
  font-weight: 500;
}

/* =====================
   UTILITIES
   ===================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* =====================
   ACCESSIBILITY & FOCUS
   ===================== */

/* High contrast focus for all interactive elements */
*:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.2);
}

/* Enhanced focus for buttons */
button:focus,
.hero__btn:focus,
.cta__btn:focus,
.contacts-form__submit:focus,
.modal__form-submit:focus,
.service-card__btn:focus,
.header__order-btn:focus,
.testimonials__btn:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.4), 0 4px 12px rgba(255, 69, 0, 0.3);
}

/* Enhanced focus for form inputs */
input:focus,
textarea:focus,
select:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.2);
  border-color: var(--color-primary);
}

/* Focus for links */
a:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.2);
  text-decoration: underline;
}

/* Focus for testimonials CTA link */
.testimonials__cta-link:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.3);
  text-decoration: underline;
}

/* Focus for social links */
.header__social-link:focus,
.footer__social-link:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.3);
}

/* Focus for mobile menu button */
.header__mobile-menu-btn:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.3);
  background: var(--color-bg-light);
}

/* Focus for modal close button */
.modal__close:focus {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.3);
  background: var(--color-primary);
  color: var(--color-text-white);
}

/* Reduced motion for users who prefer it */
@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;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-border: #000000;
    --color-text-light: #000000;
  }
  
  .header {
    border-bottom: 2px solid var(--color-border);
  }
  
  .hero__btn,
  .cta__btn,
  .service-card__btn,
  .contacts-form__submit,
  .modal__form-submit {
    border: 2px solid var(--color-text);
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1a1a1a;
    --color-bg-light: #2a2a2a;
    --color-text: #ffffff;
    --color-text-light: #cccccc;
    --color-border: #404040;
  }
}

/* =====================
   HOW IT WORKS
   ===================== */
.how-it-works {
  padding: var(--spacing-2xl) 0;
  background: var(--color-bg-light);
}

@media screen and (min-width: 768px) {
  .how-it-works {
    padding: var(--spacing-4xl) 0;
  }
}

.how-it-works__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  text-align: center;
}

.how-it-works__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text);
  margin-bottom: var(--spacing-2xl);
  text-align: center;
}

.how-it-works__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-2xl);
  margin: 0 auto;
}

.step-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  text-align: left;
}

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

.step-card__number {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  background: var(--color-primary);
  color: var(--color-text-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-extrabold);
  box-shadow: var(--shadow-md);
}

.step-card__content {
  flex: 1;
}

.step-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.step-card__description {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  line-height: var(--line-height-normal);
}

/* Tablet How It Works */
@media (min-width: 768px) {
  .how-it-works__steps {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }
  
  .step-card {
    padding: var(--spacing-2xl);
  }
}

/* Desktop How It Works */
@media (min-width: 1024px) {
  .how-it-works__steps {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
  }
  
  .step-card {
    flex-direction: column;
    text-align: center;
    padding: var(--spacing-2xl);
  }
  
  .step-card__number {
    width: 80px;
    height: 80px;
    font-size: var(--font-size-3xl);
    margin: 0 auto var(--spacing-lg);
  }
}

/* =====================
   TESTIMONIALS
   ===================== */
.testimonials {
  padding: var(--spacing-2xl) 0;
  background: var(--color-bg);
}

@media screen and (min-width: 768px) {
  .testimonials {
    padding: var(--spacing-4xl) 0;
  }
}

.testimonials__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.testimonials__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-text);
  margin-bottom: var(--spacing-2xl);
  text-align: center;
}

@media screen and (min-width: 768px) {
  .testimonials__title {
    margin-bottom: var(--spacing-3xl);
  }
}

.testimonials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

.testimonial-card {
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-left: 4px solid var(--color-primary);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 20px;
  font-size: 120px;
  font-weight: var(--font-weight-black);
  color: var(--color-primary);
  opacity: 0.1;
  line-height: 1;
  z-index: 0;
}

.testimonial-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(25, 118, 210, 0.15);
  border-left-width: 6px;
}

/* Рейтинг звездами */
.testimonial-card__rating {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.testimonial-card__star {
  color: #ffc107;
  font-size: 20px;
}

.testimonial-card__content {
  margin-bottom: var(--spacing-lg);
}

.testimonial-card__text {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  line-height: var(--line-height-relaxed);
  margin: 0;
  position: relative;
  z-index: 1;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-light);
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-white);
  flex-shrink: 0;
}

.testimonial-card__author-info {
  flex: 1;
}

.testimonial-card__name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.testimonial-card__company {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.testimonial-card__verified {
  color: var(--color-primary);
  font-size: 20px;
  flex-shrink: 0;
}

/* Tablet Testimonials */
@media (min-width: 768px) {
  .testimonials__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
  }
  
  .testimonial-card {
    padding: var(--spacing-2xl);
  }
}

/* Desktop Testimonials */
@media (min-width: 1024px) {
  .testimonials__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
  }
}

/* Testimonials CTA */
.testimonials__cta {
  text-align: center;
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-xl);
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-border-light);
}

@media screen and (min-width: 768px) {
  .testimonials__cta {
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-2xl);
  }
}

.testimonials__cta-text {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-normal);
}

.testimonials__cta-link {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  text-decoration: none;
  transition: var(--transition-base);
}

.testimonials__cta-link:hover,
.testimonials__cta-link:focus {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.testimonials__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--color-primary);
  color: var(--color-text-white);
  border-radius: var(--radius-lg);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  text-decoration: none;
  transition: var(--transition-base);
  box-shadow: var(--shadow-md);
  border: 2px solid var(--color-primary);
}

.testimonials__btn:hover,
.testimonials__btn:focus {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

.testimonials__btn .material-icons {
  font-size: 20px;
}

/* =====================
   MICROANIMATIONS
   ===================== */

/* Плавное появление элементов при скролле */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Анимация для статистики */
@keyframes countUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.about__stat-number {
  animation: countUp 0.8s ease forwards;
}

/* Hover-эффект для изображений */
.about__image img,
.hero__image img {
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.about__image:hover img,
.hero__image:hover img {
  transform: scale(1.05);
}

/* Пульсация для номера телефона в хедере */
@keyframes phonePulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(25, 118, 210, 0.7);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(25, 118, 210, 0);
  }
}

.header__phone:hover {
  animation: phonePulse 1.5s infinite;
}

/* =====================
   FLOATING CTA PANEL
   ===================== */
.floating-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.98));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: var(--spacing-md) var(--spacing-lg);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
  z-index: var(--z-sticky);
  transform: translateY(100vh);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  visibility: hidden;
}

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

.floating-cta--hidden {
  transform: translateY(100vh);
  opacity: 0;
  visibility: hidden;
}

.floating-cta__container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0 var(--spacing-2xl) 0 var(--spacing-md);
}

@media (min-width: 768px) {
  .floating-cta__container {
    flex-direction: row;
    justify-content: space-between;
    gap: var(--spacing-lg);
  }
}

.floating-cta__close {
  position: absolute;
  top: -8px;
  right: 0;
  background: rgba(0, 0, 0, 0.1);
  border: none;
  border-radius: var(--radius-full);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-base);
  padding: 0;
  z-index: 1;
}

.floating-cta__close:hover {
  background: rgba(0, 0, 0, 0.2);
  transform: scale(1.1);
}

.floating-cta__close:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.floating-cta__close .material-icons {
  font-size: 18px;
  color: var(--color-text);
}

.floating-cta__text {
  flex: 1;
  text-align: center;
  display: none;
}

@media (min-width: 768px) {
  .floating-cta__text {
    display: block;
    text-align: left;
  }
}

.floating-cta__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.floating-cta__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.floating-cta__actions {
  display: flex;
  flex-direction: row;
  gap: var(--spacing-md);
  width: 100%;
  justify-content: center;
}

@media (min-width: 768px) {
  .floating-cta__actions {
    gap: var(--spacing-md);
    width: auto;
    justify-content: flex-start;
  }
}

.floating-cta__btn {
  background: var(--gradient-primary);
  color: var(--color-text-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  font-weight: var(--font-weight-semibold);
  border: none;
  box-shadow: 0 4px 14px rgba(25, 118, 210, 0.4);
  transition: all 0.3s;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  font-size: var(--font-size-base);
  min-width: 48px;
  min-height: 48px;
}

@media (min-width: 768px) {
  .floating-cta__btn {
    padding: var(--spacing-md) var(--spacing-xl);
  }
}

.floating-cta__btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(25, 118, 210, 0.5);
}

.floating-cta__btn:focus {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

.floating-cta__btn .material-icons {
  font-size: 24px;
}

.floating-cta__btn-text {
  display: none;
}

@media (min-width: 768px) {
  .floating-cta__btn-text {
    display: inline;
  }
  
  .floating-cta__btn .material-icons {
    font-size: 20px;
  }
}

/* =====================
   PERFORMANCE & UTILITIES
   ===================== */

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Optimize rendering */
.hero__image img,
.about__image img,
.service-card,
.advantage-card,
.spec-item {
  will-change: transform;
}

/* GPU acceleration for animations */
.hero__btn,
.cta__btn,
.service-card__btn,
.contacts-form__submit,
.modal__form-submit {
  will-change: transform, box-shadow;
}

/* Optimize font loading - Inter font is loaded via Google Fonts */

/* Print styles */
@media print {
  .header,
  .footer,
  .modal,
  .header__mobile-menu-btn,
  .hero__actions,
  .cta__actions {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.4;
    color: #000000;
    background: #ffffff;
  }
  
  .hero,
  .about,
  .services,
  .specifications,
  .advantages,
  .contacts {
    page-break-inside: avoid;
  }
  
  .hero__title,
  .about__title,
  .services__title,
  .specifications__title,
  .advantages__title,
  .contacts__title {
    page-break-after: avoid;
  }
}

/* =====================
   END OF STYLES
   ===================== */

/* Стили для checkbox согласия на обработку данных */
/* Contacts form checkbox использует общие стили из .form-checkbox */

/* Текст с информацией о обработке данных */
.contacts-form__note {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: var(--spacing-sm) 0 0 0;
  line-height: 1.5;
}

.contacts-form__note a {
  color: var(--color-primary);
  text-decoration: underline;
  transition: var(--transition-base);
}

.contacts-form__note a:hover {
  color: var(--color-primary-dark);
  text-decoration: none;
}