/* ===== eSIM Кропивницький — Combined Stylesheet ===== */

/* ===== Design Tokens ===== */
:root {
  /* Primary Colors */
  --color-primary: #2563b3;
  --color-primary-light: #3b82d6;
  --color-primary-dark: #1d4e8f;
  --color-primary-rgb: 37, 99, 179;

  /* Accent - Gold/Yellow */
  --color-accent: #ffd700;
  --color-accent-light: #ffe44d;
  --color-accent-dark: #ccac00;
  --color-accent-rgb: 255, 215, 0;

  /* Vyshyvanka Red */
  --color-vyshyvanka: #c41e3a;
  --color-vyshyvanka-light: #e8304f;
  --color-vyshyvanka-dark: #9a1730;

  /* Neutrals */
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7fb;
  --color-bg-card: #ffffff;
  --color-surface: #e8edf5;
  --color-text: #1a1a2e;
  --color-text-secondary: #4a5568;
  --color-text-muted: #718096;
  --color-border: #d1d9e6;
  --color-border-light: #e8edf5;

  /* Semantic */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Montserrat', var(--font-primary);
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;

  --leading-tight: 1.2;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-theme: 350ms ease;

  /* Z-index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;

  /* Container */
  --container-max: 1200px;
  --container-padding: var(--space-6);

  /* Header */
  --header-height: 72px;

  /* Vyshyvanka pattern */
  --vyshyvanka-size: 24px;
  --vyshyvanka-border-width: 8px;
}

/* ===== Dark Mode ===== */
[data-theme="dark"] {
  --color-primary: #4d9af5;
  --color-primary-light: #6db3ff;
  --color-primary-dark: #2563b3;
  --color-primary-rgb: 77, 154, 245;

  --color-accent: #ffd700;
  --color-accent-light: #ffe44d;
  --color-accent-dark: #b89b00;

  --color-vyshyvanka: #e8506a;
  --color-vyshyvanka-light: #ff6b85;
  --color-vyshyvanka-dark: #c41e3a;

  --color-bg: #0f1729;
  --color-bg-alt: #151e35;
  --color-bg-card: #1a2540;
  --color-surface: #1f2d4d;
  --color-text: #e8edf5;
  --color-text-secondary: #a0b0c8;
  --color-text-muted: #6b7fa0;
  --color-border: #2a3a5c;
  --color-border-light: #1f2d4d;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.45);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.4);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: var(--header-height);
}

body {
  min-height: 100vh;
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

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

ul, ol {
  list-style: none;
}

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

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* ===== Base Typography & Elements ===== */
body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-theme), color var(--transition-theme);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--color-text);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p {
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

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

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

::selection {
  background-color: rgba(var(--color-primary-rgb), 0.2);
  color: var(--color-text);
}

::-webkit-scrollbar {
  width: 8px;
}

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

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

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

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

/* ===== Layout & Grid ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-20) 0;
  position: relative;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  margin-bottom: var(--space-4);
  position: relative;
  display: inline-block;
}

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.grid {
  display: grid;
  gap: var(--space-8);
}

.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 { 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; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

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

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: #1a1a2e;
  box-shadow: 0 4px 15px rgba(var(--color-accent-rgb), 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(var(--color-accent-rgb), 0.45);
}

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

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

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}

.btn--sm {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
}

/* ===== Cards ===== */
.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
}

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

.card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  background: linear-gradient(135deg, rgba(var(--color-primary-rgb), 0.1), rgba(var(--color-primary-rgb), 0.05));
  color: var(--color-primary);
}

.card__icon svg {
  width: 28px;
  height: 28px;
}

.card__title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-3);
}

.card__text {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

/* ===== Badge ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-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: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary);
}

.badge--accent {
  background: rgba(var(--color-accent-rgb), 0.15);
  color: var(--color-accent-dark);
}

[data-theme="dark"] .badge--accent {
  color: var(--color-accent);
}

.badge--popular {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: #1a1a2e;
}

/* ===== Divider with vyshyvanka ===== */
.divider-vyshyvanka {
  height: var(--vyshyvanka-border-width);
  background: var(--vyshyvanka-pattern, linear-gradient(90deg, var(--color-vyshyvanka), var(--color-primary), var(--color-vyshyvanka)));
  margin: 0;
  border: none;
  position: relative;
  overflow: hidden;
}

/* ===== Language / Theme toggles ===== */
.toggle-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.lang-toggle {
  display: flex;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  padding: 2px;
  overflow: hidden;
}

.lang-toggle__btn {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  background: transparent;
}

.lang-toggle__btn.active {
  background: var(--color-primary);
  color: #fff;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

.theme-toggle .icon-moon,
[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
}

.theme-toggle .icon-sun {
  display: block;
}

/* ===== Vyshyvanka Patterns ===== */
.vyshyvanka-border {
  position: relative;
}

.vyshyvanka-border::before,
.vyshyvanka-border::after {
  content: '';
  display: block;
  width: 100%;
  height: 12px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='12' viewBox='0 0 48 12'%3E%3Crect x='2' y='2' width='4' height='4' fill='%23c41e3a'/%3E%3Crect x='10' y='2' width='4' height='4' fill='%232563b3'/%3E%3Crect x='6' y='0' width='4' height='4' fill='%23ffd700'/%3E%3Crect x='6' y='4' width='4' height='4' fill='%23ffd700'/%3E%3Crect x='18' y='2' width='4' height='4' fill='%23c41e3a'/%3E%3Crect x='22' y='0' width='4' height='4' fill='%232563b3'/%3E%3Crect x='22' y='4' width='4' height='4' fill='%232563b3'/%3E%3Crect x='26' y='2' width='4' height='4' fill='%23c41e3a'/%3E%3Crect x='34' y='2' width='4' height='4' fill='%23ffd700'/%3E%3Crect x='38' y='0' width='4' height='4' fill='%23c41e3a'/%3E%3Crect x='38' y='4' width='4' height='4' fill='%23c41e3a'/%3E%3Crect x='42' y='2' width='4' height='4' fill='%232563b3'/%3E%3C/svg%3E");
  background-repeat: repeat-x;
  background-size: 48px 12px;
}

.vyshyvanka-divider {
  width: 100%;
  height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='64' height='16' viewBox='0 0 64 16'%3E%3Cpath d='M0,8 L4,4 L8,8 L4,12 Z' fill='%23c41e3a'/%3E%3Cpath d='M8,8 L12,4 L16,8 L12,12 Z' fill='%232563b3'/%3E%3Cpath d='M16,8 L20,4 L24,8 L20,12 Z' fill='%23ffd700'/%3E%3Cpath d='M24,8 L28,4 L32,8 L28,12 Z' fill='%23c41e3a'/%3E%3Cpath d='M32,8 L36,4 L40,8 L36,12 Z' fill='%232563b3'/%3E%3Cpath d='M40,8 L44,4 L48,8 L44,12 Z' fill='%23ffd700'/%3E%3Cpath d='M48,8 L52,4 L56,8 L52,12 Z' fill='%23c41e3a'/%3E%3Cpath d='M56,8 L60,4 L64,8 L60,12 Z' fill='%232563b3'/%3E%3C/svg%3E");
  background-repeat: repeat-x;
  background-size: 64px 16px;
  margin: 0;
}

.vyshyvanka-border::before {
  animation: vyshyvankaShimmer 8s linear infinite;
}

.vyshyvanka-border::after {
  animation: vyshyvankaShimmer 8s linear infinite reverse;
}

@keyframes vyshyvankaShimmer {
  0% { background-position: 0 0; }
  100% { background-position: 480px 0; }
}

.vyshyvanka-corner {
  position: relative;
}

.vyshyvanka-corner::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  width: 24px;
  height: 24px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Crect x='0' y='0' width='4' height='4' fill='%23c41e3a'/%3E%3Crect x='4' y='4' width='4' height='4' fill='%232563b3'/%3E%3Crect x='8' y='8' width='4' height='4' fill='%23ffd700'/%3E%3Crect x='0' y='8' width='4' height='4' fill='%23ffd700'/%3E%3Crect x='8' y='0' width='4' height='4' fill='%23ffd700'/%3E%3Crect x='4' y='0' width='4' height='4' fill='transparent'/%3E%3Crect x='0' y='4' width='4' height='4' fill='transparent'/%3E%3C/svg%3E");
  background-size: 24px 24px;
  pointer-events: none;
}

.section__title::after {
  content: '';
  display: block;
  width: 80px;
  height: 6px;
  margin: var(--space-4) auto 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='6' viewBox='0 0 24 6'%3E%3Crect x='0' y='1' width='4' height='4' fill='%23c41e3a'/%3E%3Crect x='5' y='1' width='4' height='4' fill='%232563b3'/%3E%3Crect x='10' y='1' width='4' height='4' fill='%23ffd700'/%3E%3Crect x='15' y='1' width='4' height='4' fill='%23c41e3a'/%3E%3Crect x='20' y='1' width='4' height='4' fill='%232563b3'/%3E%3C/svg%3E");
  background-repeat: repeat-x;
  background-size: 24px 6px;
}

[data-theme="dark"] .vyshyvanka-border::before,
[data-theme="dark"] .vyshyvanka-border::after {
  opacity: 0.8;
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(135deg,
    var(--color-primary-dark) 0%,
    var(--color-primary) 40%,
    #1a5ca8 70%,
    var(--color-primary-dark) 100%
  );
}

[data-theme="dark"] .hero__bg {
  background: linear-gradient(135deg,
    #080e1d 0%,
    #0f1729 40%,
    #162040 70%,
    #0a1225 100%
  );
}

.hero__bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Crect x='0' y='0' width='8' height='8' fill='%23fff'/%3E%3Crect x='16' y='0' width='8' height='8' fill='%23fff'/%3E%3Crect x='8' y='8' width='8' height='8' fill='%23fff'/%3E%3Crect x='0' y='16' width='8' height='8' fill='%23fff'/%3E%3Crect x='16' y='16' width='8' height='8' fill='%23fff'/%3E%3Crect x='40' y='0' width='8' height='8' fill='%23fff'/%3E%3Crect x='56' y='0' width='8' height='8' fill='%23fff'/%3E%3Crect x='48' y='8' width='8' height='8' fill='%23fff'/%3E%3Crect x='40' y='16' width='8' height='8' fill='%23fff'/%3E%3Crect x='56' y='16' width='8' height='8' fill='%23fff'/%3E%3Crect x='0' y='40' width='8' height='8' fill='%23fff'/%3E%3Crect x='16' y='40' width='8' height='8' fill='%23fff'/%3E%3Crect x='8' y='48' width='8' height='8' fill='%23fff'/%3E%3Crect x='0' y='56' width='8' height='8' fill='%23fff'/%3E%3Crect x='16' y='56' width='8' height='8' fill='%23fff'/%3E%3C/svg%3E");
  background-size: 80px 80px;
  will-change: transform;
}

.hero__particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero__particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 215, 0, 0.3);
  animation: particleFloat 6s ease-in-out infinite;
}

.hero__particle:nth-child(1) { width: 6px; height: 6px; top: 20%; left: 10%; animation-delay: 0s; }
.hero__particle:nth-child(2) { width: 4px; height: 4px; top: 60%; left: 20%; animation-delay: -1s; }
.hero__particle:nth-child(3) { width: 8px; height: 8px; top: 30%; left: 70%; animation-delay: -2s; }
.hero__particle:nth-child(4) { width: 5px; height: 5px; top: 70%; left: 80%; animation-delay: -3s; }
.hero__particle:nth-child(5) { width: 3px; height: 3px; top: 40%; left: 50%; animation-delay: -4s; }
.hero__particle:nth-child(6) { width: 7px; height: 7px; top: 80%; left: 40%; animation-delay: -5s; }

@keyframes particleFloat {
  0%, 100% { transform: translateY(0) scale(1); opacity: 0.3; }
  50% { transform: translateY(-30px) scale(1.5); opacity: 0.7; }
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-16) 0;
  color: #fff;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-8);
  color: var(--color-accent);
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: var(--font-extrabold);
  margin-bottom: var(--space-6);
  color: #fff;
  letter-spacing: -0.02em;
}

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

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: rgba(255, 255, 255, 0.8);
  max-width: 620px;
  margin: 0 auto var(--space-10);
  line-height: var(--leading-relaxed);
}

.hero__cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__cta {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: #1a1a2e;
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35);
  transition: all var(--transition-base);
  text-decoration: none;
}

.hero__cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 35px rgba(255, 215, 0, 0.5);
  color: #1a1a2e;
}

.hero__cta--secondary {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  box-shadow: none;
}

.hero__cta--secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.1);
  color: #fff;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: var(--space-12);
  margin-top: var(--space-16);
  flex-wrap: wrap;
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  color: var(--color-accent);
  display: block;
}

.hero__stat-label {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--space-1);
}

.hero__vyshyvanka-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

[data-theme="dark"] .header {
  background: rgba(15, 23, 41, 0.9);
  border-bottom-color: var(--color-border);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-extrabold);
  color: var(--color-primary);
  text-decoration: none;
}

.header__logo-icon {
  width: 36px;
  height: 36px;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.header__nav-list {
  display: flex;
  gap: var(--space-6);
}

.header__nav-link {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

.header__nav-link:hover,
.header__nav-link.active {
  color: var(--color-primary);
}

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

.header__nav-link:hover::after,
.header__nav-link.active::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 0;
  cursor: pointer;
  background: none;
  border: none;
}

.header__burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.header__burger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.header__burger.active span:nth-child(2) { opacity: 0; }
.header__burger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== What is eSIM Section ===== */
.what-esim {
  padding: var(--space-20) 0;
}

.what-esim__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.what-esim__text p {
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}

.what-esim__features {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.what-esim__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.what-esim__feature:hover {
  background: var(--color-surface);
}

.what-esim__feature-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary);
}

.what-esim__feature-icon svg {
  width: 22px;
  height: 22px;
}

.what-esim__feature h4 {
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}

.what-esim__feature p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

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

.what-esim__phone-mockup {
  width: 280px;
  height: 520px;
  background: linear-gradient(145deg, var(--color-bg-card), var(--color-surface));
  border-radius: 40px;
  border: 3px solid var(--color-border);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-8) var(--space-6);
  box-shadow: var(--shadow-lg);
}

.what-esim__phone-notch {
  width: 120px;
  height: 24px;
  background: var(--color-text);
  border-radius: 0 0 16px 16px;
  position: absolute;
  top: 0;
  opacity: 0.2;
}

.what-esim__phone-screen {
  margin-top: var(--space-10);
  width: 100%;
  text-align: center;
}

.what-esim__phone-esim-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-6);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.what-esim__phone-esim-icon svg {
  width: 40px;
  height: 40px;
  color: #fff;
}

.what-esim__phone-label {
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.what-esim__phone-status {
  font-size: var(--text-sm);
  color: var(--color-success);
  font-weight: var(--font-medium);
}

/* ===== Advantages Section ===== */
.advantages__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.advantage-card {
  text-align: center;
  padding: var(--space-10) var(--space-6);
}

.advantage-card .card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-6);
  border-radius: var(--radius-xl);
}

/* ===== How to Activate (Timeline) ===== */
.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 32px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
  border-radius: 3px;
}

.timeline__step {
  position: relative;
  padding-left: 84px;
  padding-bottom: var(--space-10);
}

.timeline__step:last-child {
  padding-bottom: 0;
}

.timeline__number {
  position: absolute;
  left: 14px;
  top: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.3);
}

.timeline__content {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.timeline__content h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.timeline__content p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ===== Footer ===== */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-16) 0 var(--space-8);
}

[data-theme="dark"] .footer {
  background: #080e1d;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer__brand-name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: #fff;
  margin-bottom: var(--space-4);
}

.footer__brand-desc {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: rgba(255, 255, 255, 0.6);
}

.footer__title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: #fff;
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer__link:hover {
  color: var(--color-accent);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__copy {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.4);
}

.footer__social {
  display: flex;
  gap: var(--space-4);
}

.footer__social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  background: var(--color-accent);
  color: #1a1a2e;
}

.footer__social-link svg {
  width: 18px;
  height: 18px;
}

/* ===== Comparison Table ===== */
.comparison {
  padding: var(--space-20) 0;
}

.comparison__table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-md);
}

.comparison__table {
  width: 100%;
  min-width: 700px;
  background: var(--color-bg-card);
}

.comparison__table thead {
  background: var(--color-primary);
}

.comparison__table thead th {
  padding: var(--space-5) var(--space-6);
  text-align: center;
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.comparison__table thead th:first-child {
  text-align: left;
}

.comparison__table thead th.comparison__highlight {
  background: var(--color-accent);
  color: #1a1a2e;
  position: relative;
}

.comparison__table thead th.comparison__highlight::before {
  content: '';
  position: absolute;
  top: -3px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
  border-radius: 3px 3px 0 0;
}

.comparison__table tbody tr {
  border-bottom: 1px solid var(--color-border-light);
  transition: background-color var(--transition-fast);
}

.comparison__table tbody tr:hover {
  background: var(--color-bg-alt);
}

.comparison__table tbody tr:last-child {
  border-bottom: none;
}

.comparison__table td {
  padding: var(--space-4) var(--space-6);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.comparison__table td:first-child {
  text-align: left;
  font-weight: var(--font-medium);
  color: var(--color-text);
}

.comparison__table td.comparison__highlight {
  background: rgba(var(--color-accent-rgb), 0.05);
  font-weight: var(--font-semibold);
  color: var(--color-text);
}

[data-theme="dark"] .comparison__table td.comparison__highlight {
  background: rgba(var(--color-accent-rgb), 0.08);
}

.comparison__check {
  color: var(--color-success);
  font-weight: var(--font-bold);
}

.comparison__cross {
  color: var(--color-error);
  font-weight: var(--font-bold);
}

.comparison__note {
  text-align: center;
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ===== Tariff Cards ===== */
.tariffs {
  padding: var(--space-20) 0;
}

.tariffs__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  align-items: start;
}

.tariff-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-base);
  position: relative;
}

.tariff-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

.tariff-card--popular {
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(var(--color-accent-rgb), 0.15);
}

.tariff-card--popular:hover {
  box-shadow: 0 8px 35px rgba(var(--color-accent-rgb), 0.25);
}

.tariff-card__badge {
  position: absolute;
  top: -1px;
  right: var(--space-6);
  padding: var(--space-1) var(--space-4);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: #1a1a2e;
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tariff-card__header {
  padding: var(--space-8) var(--space-6) var(--space-4);
  text-align: center;
}

.tariff-card__name {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-2);
}

.tariff-card__region {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.tariff-card__price {
  text-align: center;
  padding: var(--space-4) var(--space-6);
}

.tariff-card__amount {
  font-size: var(--text-5xl);
  font-weight: var(--font-extrabold);
  color: var(--color-primary);
  line-height: 1;
}

.tariff-card--popular .tariff-card__amount {
  color: var(--color-accent-dark);
}

[data-theme="dark"] .tariff-card--popular .tariff-card__amount {
  color: var(--color-accent);
}

.tariff-card__currency {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
}

.tariff-card__period {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.tariff-card__features {
  padding: var(--space-4) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.tariff-card__feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.tariff-card__feature-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-success);
}

.tariff-card__footer {
  padding: var(--space-4) var(--space-6) var(--space-8);
  text-align: center;
}

.tariff-card__btn {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  text-decoration: none;
  text-align: center;
  background: var(--color-surface);
  color: var(--color-primary);
  border: 2px solid var(--color-border);
}

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

.tariff-card--popular .tariff-card__btn {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  color: #1a1a2e;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(var(--color-accent-rgb), 0.3);
}

.tariff-card--popular .tariff-card__btn:hover {
  box-shadow: 0 6px 25px rgba(var(--color-accent-rgb), 0.45);
}

/* ===== FAQ Accordion ===== */
.faq {
  padding: var(--space-20) 0;
}

.faq__list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.faq__item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq__item:hover {
  border-color: var(--color-border);
}

.faq__item.active {
  border-color: var(--color-primary);
  box-shadow: 0 2px 12px rgba(var(--color-primary-rgb), 0.1);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  text-align: left;
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  cursor: pointer;
  background: none;
  border: none;
  transition: color var(--transition-fast);
}

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

.faq__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  position: relative;
  color: var(--color-text-muted);
  transition: all var(--transition-base);
}

.faq__icon::before,
.faq__icon::after {
  content: '';
  position: absolute;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--transition-base);
}

.faq__icon::before {
  top: 50%;
  left: 4px;
  width: 16px;
  height: 2px;
  transform: translateY(-50%);
}

.faq__icon::after {
  top: 4px;
  left: 50%;
  width: 2px;
  height: 16px;
  transform: translateX(-50%);
}

.faq__item.active .faq__icon {
  color: var(--color-primary);
}

.faq__item.active .faq__icon::after {
  transform: translateX(-50%) rotate(90deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq__answer-inner {
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

.faq__item.active .faq__answer {
  max-height: 500px;
}

/* ===== Blog Page ===== */
.blog-page {
  padding-top: calc(var(--header-height) + var(--space-12));
  padding-bottom: var(--space-20);
  min-height: 100vh;
}

.blog-page__title {
  text-align: center;
  margin-bottom: var(--space-12);
}

.blog__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.blog-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.blog-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.2);
  font-size: var(--text-5xl);
}

.blog-card__body {
  padding: var(--space-6);
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.blog-card__date {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.blog-card__tag {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  padding: var(--space-1) var(--space-2);
  background: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
}

.blog-card__title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-3);
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.blog-card:hover .blog-card__title {
  color: var(--color-primary);
}

.blog-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.blog-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  text-decoration: none;
  transition: gap var(--transition-fast);
}

.blog-card__link:hover {
  gap: var(--space-3);
}

.blog-article {
  max-width: 800px;
  margin: 0 auto;
  padding-top: calc(var(--header-height) + var(--space-12));
  padding-bottom: var(--space-20);
}

.blog-article__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  margin-bottom: var(--space-8);
  transition: color var(--transition-fast);
}

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

.blog-article__content {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

.blog-article__content h2 {
  font-size: var(--text-2xl);
  color: var(--color-text);
  margin: var(--space-10) 0 var(--space-4);
}

.blog-article__content h3 {
  font-size: var(--text-xl);
  color: var(--color-text);
  margin: var(--space-8) 0 var(--space-3);
}

.blog-article__content p {
  margin-bottom: var(--space-4);
}

.blog-article__content ul,
.blog-article__content ol {
  margin: var(--space-4) 0;
  padding-left: var(--space-6);
}

.blog-article__content li {
  margin-bottom: var(--space-2);
  list-style: disc;
}

.blog-article__content ol li {
  list-style: decimal;
}

[data-i18n-block="en"] {
  display: none;
}

[data-lang="en"] [data-i18n-block="uk"] {
  display: none;
}

[data-lang="en"] [data-i18n-block="en"] {
  display: block;
}

/* Admin styles moved to css/admin.css */

/* ===== Scroll Reveal Animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal--left {
  transform: translateX(-40px);
}

.reveal--left.visible {
  transform: translateX(0);
}

.reveal--right {
  transform: translateX(40px);
}

.reveal--right.visible {
  transform: translateX(0);
}

.reveal--scale {
  transform: scale(0.9);
}

.reveal--scale.visible {
  transform: scale(1);
}

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }
.reveal--delay-5 { transition-delay: 0.5s; }
.reveal--delay-6 { transition-delay: 0.6s; }

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

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

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

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

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

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

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

.hero__content {
  animation: fadeInUp 0.8s ease-out;
}

.hero__badge {
  animation: fadeInDown 0.6s ease-out;
}

.hero__stats {
  animation: fadeIn 1s ease-out 0.3s both;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

@keyframes cardShine {
  0% { left: -100%; }
  100% { left: 100%; }
}

.card:hover::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.05),
    transparent
  );
  animation: cardShine 0.6s ease;
}

@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 {
    opacity: 1;
    transform: none;
  }

  .hero__particle {
    display: none;
  }
}

/* ===== 404 Error Page ===== */
.error-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-8);
}

.error-page__content {
  max-width: 500px;
}

.error-page__code {
  font-family: var(--font-heading);
  font-size: clamp(6rem, 20vw, 12rem);
  font-weight: var(--font-extrabold);
  line-height: 1;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-4);
}

.error-page__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

.error-page__text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-10);
  line-height: var(--leading-relaxed);
}

.error-page__actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.error-page__decoration {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
}

/* ===== Responsive Design ===== */

@media (max-width: 1024px) {
  :root {
    --container-padding: var(--space-5);
  }

  h1 { font-size: var(--text-4xl); }
  h2, .section__title { font-size: var(--text-3xl); }

  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }

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

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

  .what-esim__grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .what-esim__visual {
    order: -1;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
    --container-padding: var(--space-4);
  }

  .section {
    padding: var(--space-16) 0;
  }

  h1 { font-size: var(--text-3xl); }
  h2, .section__title { font-size: var(--text-2xl); }

  .section__header {
    margin-bottom: var(--space-10);
  }

  .header__nav-list {
    display: none;
  }

  .header__burger {
    display: flex;
  }

  .header__nav.mobile-open .header__nav-list {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    padding: var(--space-8);
    gap: var(--space-6);
    z-index: var(--z-overlay);
    animation: fadeIn 0.2s ease;
  }

  .header__nav.mobile-open .header__nav-link {
    font-size: var(--text-lg);
  }

  .hero {
    min-height: auto;
    padding: calc(var(--header-height) + var(--space-12)) 0 var(--space-12);
  }

  .hero__content {
    padding: var(--space-8) 0;
  }

  .hero__stats {
    gap: var(--space-6);
  }

  .hero__stat-number {
    font-size: var(--text-2xl);
  }

  .hero__cta-group {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__cta {
    text-align: center;
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .advantages__grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .tariffs__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .comparison__table-wrapper {
    border-radius: var(--radius-lg);
  }

  .timeline::before {
    left: 20px;
  }

  .timeline__step {
    padding-left: 60px;
  }

  .timeline__number {
    left: 2px;
    width: 36px;
    height: 36px;
    font-size: var(--text-base);
  }

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

  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .what-esim__phone-mockup {
    width: 220px;
    height: 400px;
    border-radius: 30px;
  }

  .admin__link-item {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: var(--space-4);
  }

  h1 { font-size: var(--text-2xl); }
  h2, .section__title { font-size: var(--text-xl); }

  .section {
    padding: var(--space-12) 0;
  }

  .card {
    padding: var(--space-6);
  }

  .advantage-card {
    padding: var(--space-6) var(--space-4);
  }

  .hero__stats {
    flex-direction: column;
    gap: var(--space-4);
  }

  .admin-login {
    padding: var(--space-6);
    margin-top: 10vh;
  }

  .admin {
    padding: var(--space-4);
  }

  .error-page__actions {
    flex-direction: column;
  }
}