@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');
@import url('https://cdn.jsdelivr.net/npm/remixicon@2.5.0/fonts/remixicon.css');

:root {
  --primary-color: #00d9ff;
  --primary-dark: #00a8cc;
  --primary-light: #33e0ff;
  --secondary-color: #ff006e;
  --secondary-dark: #cc0058;
  --secondary-light: #ff3388;
  --accent-color: #ffbe0b;
  --accent-dark: #cc9809;
  --dark-bg: #0a0e27;
  --darker-bg: #050814;
  --card-bg: #141832;
  --text-primary: #ffffff;
  --text-secondary: #b0b8d4;
  --text-muted: #6b7494;
  --border-color: #1e2444;
  --border-light: #2a3154;
  --success-color: #00ff88;
  --warning-color: #ffbe0b;
  --error-color: #ff006e;
  --gradient-primary: linear-gradient(135deg, #00d9ff 0%, #00a8cc 100%);
  --gradient-secondary: linear-gradient(135deg, #ff006e 0%, #cc0058 100%);
  --gradient-accent: linear-gradient(135deg, #ffbe0b 0%, #ff006e 100%);
  --gradient-dark: linear-gradient(135deg, #141832 0%, #0a0e27 100%);
  --gradient-glow: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(255, 0, 110, 0.1) 100%);
  --shadow-sm: 0 2px 8px rgba(0, 217, 255, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 217, 255, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 217, 255, 0.2);
  --shadow-xl: 0 16px 48px rgba(0, 217, 255, 0.25);
  --shadow-glow: 0 0 20px rgba(0, 217, 255, 0.3);
  --shadow-glow-secondary: 0 0 20px rgba(255, 0, 110, 0.3);
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--darker-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 50%, rgba(0, 217, 255, 0.05) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(255, 0, 110, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(10, 14, 39, 0.98);
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--primary-color);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  letter-spacing: -0.5px;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo:hover {
  transform: scale(1.05);
  filter: drop-shadow(var(--shadow-glow));
}

.logo::before {
  content: '◆';
  color: var(--primary-color);
  font-size: 1.2rem;
  animation: rotate-logo 4s linear infinite;
}

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

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  transition: all var(--transition-base);
  padding: 0.5rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
}

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

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

.nav-links a.active {
  color: var(--primary-color);
}

.nav-links a.active::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
  background: transparent;
  border: none;
}

.menu-toggle span {
  width: 25px;
  height: 2px;
  background: var(--primary-color);
  transition: all var(--transition-base);
  border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: rgba(20, 24, 50, 0.98);
  backdrop-filter: blur(20px);
  padding: 5rem 2rem 2rem;
  transition: right var(--transition-slow);
  border-left: 1px solid var(--border-color);
  z-index: 999;
  overflow-y: auto;
}

.mobile-menu.active {
  right: 0;
  box-shadow: -10px 0 50px rgba(0, 0, 0, 0.5);
}

.mobile-menu .nav-links {
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.mobile-menu .nav-links a {
  font-size: 1.1rem;
  width: 100%;
  padding: 1rem;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
}

.mobile-menu .nav-links a:hover {
  background: rgba(0, 217, 255, 0.1);
  transform: translateX(5px);
}

.btn {
  padding: 0.75rem 1.75rem;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-base);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width var(--transition-slow), height var(--transition-slow);
  z-index: -1;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

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

.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-secondary);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

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

.btn-ghost {
  background: rgba(0, 217, 255, 0.1);
  color: var(--primary-color);
  border: 1px solid transparent;
}

.btn-ghost:hover {
  background: rgba(0, 217, 255, 0.2);
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--gradient-accent);
  color: var(--darker-bg);
  font-weight: 700;
}

.btn-accent:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 0 30px rgba(255, 190, 11, 0.5);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn:disabled:hover {
  transform: none;
  box-shadow: none;
}

.btn i {
  font-size: 1.1rem;
}

.cookie-banner {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(20, 24, 50, 0.98);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem 2rem;
  max-width: 600px;
  width: 90%;
  box-shadow: var(--shadow-xl);
  z-index: 10000;
  animation: slideUp 0.5s ease;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.cookie-banner.show {
  opacity: 1;
  visibility: visible;
}

@keyframes slideUp {
  from {
    transform: translateX(-50%) translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
}

.cookie-banner-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cookie-banner-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

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

.cookie-banner-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.cookie-banner-actions .btn {
  padding: 0.6rem 1.5rem;
  font-size: 0.9rem;
}

.form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
}

.form-label.required::after {
  content: '*';
  color: var(--error-color);
  margin-left: 4px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.875rem 1rem;
  background: rgba(20, 24, 50, 0.5);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all var(--transition-base);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--primary-color);
  background: rgba(20, 24, 50, 0.8);
  box-shadow: 0 0 0 4px rgba(0, 217, 255, 0.1);
}

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

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--error-color);
}

.form-error {
  color: var(--error-color);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.form-success {
  color: var(--success-color);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.form-hint {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

.form-checkbox,
.form-radio {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  user-select: none;
}

.form-checkbox input,
.form-radio input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.form-checkmark {
  width: 22px;
  height: 22px;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  background: rgba(20, 24, 50, 0.5);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.form-radio .form-checkmark {
  border-radius: 50%;
}

.form-checkbox input:checked ~ .form-checkmark,
.form-radio input:checked ~ .form-checkmark {
  background: var(--gradient-primary);
  border-color: var(--primary-color);
}

.form-checkmark::after {
  content: '';
  display: none;
}

.form-checkbox input:checked ~ .form-checkmark::after {
  display: block;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.form-radio input:checked ~ .form-checkmark::after {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: white;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
}

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

.card:hover::before {
  transform: translateX(0);
}

.card-header {
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--border-radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--text-primary);
  flex-shrink: 0;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.card-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.card-body {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.grid {
  display: grid;
  gap: 2rem;
}

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

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

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

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.accordion {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  margin-bottom: 1rem;
}

.accordion-header {
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-base);
  user-select: none;
  background: transparent;
  border: none;
  width: 100%;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  text-align: left;
}

.accordion-header:hover {
  background: rgba(0, 217, 255, 0.05);
}

.accordion-header.active {
  background: rgba(0, 217, 255, 0.1);
  border-bottom: 1px solid var(--border-color);
}

.accordion-icon {
  font-size: 1.5rem;
  color: var(--primary-color);
  transition: transform var(--transition-base);
}

.accordion-header.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
  padding: 0 1.5rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.accordion-content.active {
  max-height: 1000px;
  padding: 1.5rem;
}

.section {
  padding: 5rem 2rem;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 4rem;
}

.section-subtitle {
  color: var(--primary-color);
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.section-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.loading-spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-dots {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

.loading-dots span {
  width: 10px;
  height: 10px;
  background: var(--primary-color);
  border-radius: 50%;
  animation: bounce 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.loading-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes bounce {
  0%, 80%, 100% {
    transform: scale(0);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-xl);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-primary {
  background: rgba(0, 217, 255, 0.1);
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
}

.badge-secondary {
  background: rgba(255, 0, 110, 0.1);
  color: var(--secondary-color);
  border: 1px solid var(--secondary-color);
}

.badge-success {
  background: rgba(0, 255, 136, 0.1);
  color: var(--success-color);
  border: 1px solid var(--success-color);
}

.badge-warning {
  background: rgba(255, 190, 11, 0.1);
  color: var(--warning-color);
  border: 1px solid var(--warning-color);
}

.badge-error {
  background: rgba(255, 0, 110, 0.1);
  color: var(--error-color);
  border: 1px solid var(--error-color);
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 4px;
  transition: width var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: progress-shine 2s infinite;
}

@keyframes progress-shine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.tooltip {
  position: relative;
  cursor: pointer;
}

.tooltip::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-5px);
  background: rgba(10, 14, 39, 0.95);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  white-space: nowrap;
  border: 1px solid var(--primary-color);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  pointer-events: none;
  z-index: 1000;
}

.tooltip::after {
  content: '';
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--primary-color);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  pointer-events: none;
}

.tooltip:hover::before,
.tooltip:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: var(--darker-bg);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: 6px;
  border: 2px solid var(--darker-bg);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

::selection {
  background: rgba(0, 217, 255, 0.3);
  color: var(--text-primary);
}

.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 2rem;
}

.hero-section::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 217, 255, 0.15) 0%, transparent 70%);
  top: -250px;
  right: -250px;
  animation: float 20s ease-in-out infinite;
}

.hero-section::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 0, 110, 0.15) 0%, transparent 70%);
  bottom: -200px;
  left: -200px;
  animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(50px, -50px) rotate(90deg); }
  50% { transform: translate(0, -100px) rotate(180deg); }
  75% { transform: translate(-50px, -50px) rotate(270deg); }
}

.hero-content {
  text-align: center;
  z-index: 1;
  max-width: 900px;
}

.hero-title {
  font-size: 4rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
  line-height: 1.1;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 5s ease infinite;
}

@keyframes gradient-shift {
  0%, 100% { filter: hue-rotate(0deg); }
  50% { filter: hue-rotate(30deg); }
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.feature-icon {
  width: 70px;
  height: 70px;
  border-radius: var(--border-radius-lg);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 1.5rem;
  transition: all var(--transition-base);
  position: relative;
}

.feature-icon::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: var(--border-radius-lg);
  background: var(--gradient-primary);
  filter: blur(20px);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover .feature-icon::before {
  opacity: 0.6;
}

.card:hover .feature-icon {
  transform: scale(1.1) rotateY(360deg);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.stat-item {
  text-align: center;
  padding: 2rem;
  background: rgba(0, 217, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-base);
}

.stat-item:hover {
  background: rgba(0, 217, 255, 0.1);
  border-color: var(--primary-color);
  transform: translateY(-5px);
}

.stat-number {
  font-size: 3rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.timeline {
  position: relative;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-primary);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  display: flex;
  align-items: center;
}

.timeline-item:nth-child(odd) {
  flex-direction: row;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-content {
  width: 45%;
  padding: 2rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-base);
}

.timeline-content:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
}

.timeline-marker {
  width: 20px;
  height: 20px;
  background: var(--primary-color);
  border-radius: 50%;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 0 4px var(--darker-bg), 0 0 0 6px var(--primary-color);
  z-index: 2;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0;
}

.tech-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  background: rgba(20, 24, 50, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-xl);
  transition: all var(--transition-base);
  cursor: pointer;
}

.tech-item:hover {
  background: rgba(0, 217, 255, 0.1);
  border-color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.tech-icon {
  font-size: 1.5rem;
}

.tech-name {
  font-weight: 600;
  color: var(--text-primary);
}

.alert {
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius-md);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  border-left: 4px solid;
}

.alert-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.alert-message {
  color: var(--text-secondary);
  line-height: 1.6;
}

.alert-success {
  background: rgba(0, 255, 136, 0.1);
  border-left-color: var(--success-color);
}

.alert-success .alert-icon {
  color: var(--success-color);
}

.alert-warning {
  background: rgba(255, 190, 11, 0.1);
  border-left-color: var(--warning-color);
}

.alert-warning .alert-icon {
  color: var(--warning-color);
}

.alert-error {
  background: rgba(255, 0, 110, 0.1);
  border-left-color: var(--error-color);
}

.alert-error .alert-icon {
  color: var(--error-color);
}

.alert-info {
  background: rgba(0, 217, 255, 0.1);
  border-left-color: var(--primary-color);
}

.alert-info .alert-icon {
  color: var(--primary-color);
}

.pricing-card {
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-xl);
  padding: 2.5rem;
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.pricing-card.featured {
  border-color: var(--primary-color);
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.pricing-card.featured::before {
  content: 'ПОПУЛАРНО';
  position: absolute;
  top: 1.5rem;
  right: -2rem;
  background: var(--gradient-primary);
  color: var(--text-primary);
  padding: 0.5rem 3rem;
  transform: rotate(45deg);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.pricing-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured:hover {
  transform: translateY(-10px) scale(1.05);
}

.pricing-header {
  margin-bottom: 2rem;
}

.pricing-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.pricing-period {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.pricing-features {
  list-style: none;
  margin: 2rem 0;
  text-align: left;
}

.pricing-features li {
  padding: 0.75rem 0;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.pricing-features li i {
  color: var(--success-color);
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing-features li.disabled {
  opacity: 0.4;
}

.pricing-features li.disabled i {
  color: var(--text-muted);
}

.footer {
  background: var(--darker-bg);
  border-top: 1px solid var(--border-color);
  padding: 4rem 2rem 2rem;
  margin-top: 6rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-section h3 {
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links a:hover {
  color: var(--primary-color);
  transform: translateX(5px);
}

.footer-social {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.footer-social a {
  width: 45px;
  height: 45px;
  border-radius: var(--border-radius-md);
  background: rgba(0, 217, 255, 0.1);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-size: 1.2rem;
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background: var(--gradient-primary);
  color: var(--text-primary);
  border-color: var(--primary-color);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copyright {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-bottom-links {
  display: flex;
  gap: 2rem;
}

.footer-bottom-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-base);
}

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

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 999;
  border: none;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

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

@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .section-title {
    font-size: 2.5rem;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .timeline::before {
    left: 0;
  }
  
  .timeline-item {
    flex-direction: column;
    align-items: flex-start;
    padding-left: 3rem;
  }
  
  .timeline-content {
    width: 100%;
  }
  
  .timeline-marker {
    left: 0;
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: 1rem;
  }
  
  .section {
    padding: 3rem 1rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  .footer-content {
    gap: 2rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-banner {
    bottom: 1rem;
    width: 95%;
    padding: 1.25rem;
  }
  
  .cookie-banner-actions {
    flex-direction: column;
  }
  
  .cookie-banner-actions .btn {
    width: 100%;
  }
  
  .pricing-card.featured {
    transform: scale(1);
  }
  
  .pricing-card.featured:hover {
    transform: translateY(-10px) scale(1);
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .tech-stack {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .section-title {
    font-size: 1.75rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.9rem;
  }
  
  .logo {
    font-size: 1.25rem;
  }
  
  .mobile-menu {
    width: 100%;
    right: -100%;
  }
  
  .card-title {
    font-size: 1.25rem;
  }
  
  .pricing-price {
    font-size: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .header,
  .footer,
  .cookie-banner,
  .back-to-top,
  .menu-toggle {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .section {
    page-break-inside: avoid;
  }
}