@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: #6C63FF;
  --secondary-color: #FF6584;
  --accent-color: #00D9FF;
  --dark-bg: #0F0F23;
  --dark-surface: #1A1A2E;
  --dark-card: #252541;
  --light-text: #FFFFFF;
  --gray-text: #B4B4C8;
  --success-color: #00E676;
  --warning-color: #FFD740;
  --gradient-primary: linear-gradient(135deg, #6C63FF 0%, #8B5CF6 100%);
  --gradient-secondary: linear-gradient(135deg, #FF6584 0%, #FF8A9B 100%);
  --gradient-accent: linear-gradient(135deg, #00D9FF 0%, #00B8D4 100%);
  --gradient-dark: linear-gradient(180deg, #0F0F23 0%, #1A1A2E 100%);
  --shadow-sm: 0 2px 8px rgba(108, 99, 255, 0.1);
  --shadow-md: 0 4px 16px rgba(108, 99, 255, 0.15);
  --shadow-lg: 0 8px 32px rgba(108, 99, 255, 0.2);
  --shadow-glow: 0 0 20px rgba(108, 99, 255, 0.4);
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

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

::selection {
  background-color: var(--primary-color);
  color: var(--light-text);
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--dark-surface);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 10px;
  transition: var(--transition-base);
}

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

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 15, 35, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(108, 99, 255, 0.1);
  transition: var(--transition-base);
}

header.scrolled {
  box-shadow: var(--shadow-lg);
  background: rgba(15, 15, 35, 0.98);
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
  transition: var(--transition-base);
}

.logo:hover {
  transform: scale(1.05);
  filter: brightness(1.2);
}

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

nav a {
  color: var(--gray-text);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: var(--transition-base);
  padding: 0.5rem 0;
}

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

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

nav a:hover::after {
  width: 100%;
}

.nav-cta {
  background: var(--gradient-primary);
  color: var(--light-text) !important;
  padding: 0.625rem 1.5rem !important;
  border-radius: 50px;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
}

.nav-cta::after {
  display: none;
}

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

.mobile-menu-toggle {
  background: none;
  border: none;
  color: var(--light-text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  transition: var(--transition-base);
}

.mobile-menu-toggle:hover {
  color: var(--primary-color);
  transform: scale(1.1);
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 280px;
  height: 100vh;
  background: var(--dark-surface);
  padding: 2rem;
  transform: translateX(100%);
  transition: var(--transition-smooth);
  box-shadow: -5px 0 30px rgba(0, 0, 0, 0.5);
  overflow-y: auto;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.mobile-menu-close {
  background: none;
  border: none;
  color: var(--light-text);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-base);
}

.mobile-menu-close:hover {
  color: var(--secondary-color);
  transform: rotate(90deg);
}

.mobile-menu ul {
  list-style: none;
  padding: 0;
}

.mobile-menu li {
  margin-bottom: 1.5rem;
}

.mobile-menu a {
  color: var(--gray-text);
  text-decoration: none;
  font-size: 1.125rem;
  font-weight: 500;
  transition: var(--transition-base);
  display: block;
  padding: 0.5rem 0;
}

.mobile-menu a:hover {
  color: var(--primary-color);
  padding-left: 0.5rem;
}

.btn {
  padding: 0.875rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: var(--transition-base);
  cursor: pointer;
  border: none;
  font-size: 1rem;
  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 0.6s, height 0.6s;
  z-index: -1;
}

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

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

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

.btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 20px rgba(255, 101, 132, 0.4);
}

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

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--light-text);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: rgba(108, 99, 255, 0.1);
  color: var(--primary-color);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: rgba(108, 99, 255, 0.2);
  transform: translateY(-2px);
}

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

.section-alt {
  background: var(--dark-surface);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
  letter-spacing: -1px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray-text);
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.card {
  background: var(--dark-card);
  border-radius: 20px;
  padding: 2rem;
  transition: var(--transition-smooth);
  border: 1px solid rgba(108, 99, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition-smooth);
  z-index: 0;
}

.card:hover::before {
  opacity: 0.05;
}

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

.card-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-md);
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.card-text {
  color: var(--gray-text);
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

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

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

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

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--light-text);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.875rem 1.25rem;
  background: var(--dark-card);
  border: 2px solid rgba(108, 99, 255, 0.2);
  border-radius: 12px;
  color: var(--light-text);
  font-size: 1rem;
  transition: var(--transition-base);
  font-family: inherit;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.1);
  background: rgba(108, 99, 255, 0.05);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--gray-text);
  opacity: 0.6;
}

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

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--primary-color);
}

.form-checkbox label {
  cursor: pointer;
  color: var(--gray-text);
  font-size: 0.9rem;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--dark-surface);
  border-top: 2px solid var(--primary-color);
  padding: 1.5rem;
  z-index: 9999;
  transform: translateY(100%);
  transition: var(--transition-smooth);
  box-shadow: 0 -5px 30px rgba(0, 0, 0, 0.5);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-content {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1;
  color: var(--gray-text);
  line-height: 1.6;
}

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

.cookie-text a:hover {
  color: var(--accent-color);
}

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

.cookie-buttons .btn {
  padding: 0.75rem 1.5rem;
  white-space: nowrap;
}

.accordion {
  background: var(--dark-card);
  border-radius: 15px;
  overflow: hidden;
  margin-bottom: 1rem;
  border: 1px solid rgba(108, 99, 255, 0.1);
  transition: var(--transition-base);
}

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

.accordion-header {
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--dark-card);
  transition: var(--transition-base);
  user-select: none;
}

.accordion-header:hover {
  background: rgba(108, 99, 255, 0.05);
}

.accordion-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--light-text);
}

.accordion-icon {
  font-size: 1.25rem;
  color: var(--primary-color);
  transition: var(--transition-base);
}

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

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.accordion-body {
  padding: 0 1.5rem 1.5rem;
  color: var(--gray-text);
  line-height: 1.8;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--gradient-dark);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(108, 99, 255, 0.1) 0%, transparent 50%);
  animation: pulse 8s ease-in-out infinite;
}

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

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 2rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -2px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--gray-text);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

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

.badge {
  display: inline-block;
  padding: 0.375rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--gradient-primary);
  color: var(--light-text);
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
}

.badge-secondary {
  background: var(--gradient-secondary);
}

.badge-accent {
  background: var(--gradient-accent);
}

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

.loading-spinner {
  border: 4px solid rgba(108, 99, 255, 0.1);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
  margin: 2rem auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-dots {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.loading-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary-color);
  animation: bounce 1.4s ease-in-out infinite;
}

.loading-dot:nth-child(1) {
  animation-delay: -0.32s;
}

.loading-dot:nth-child(2) {
  animation-delay: -0.16s;
}

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

.feature-list {
  list-style: none;
  padding: 0;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: rgba(108, 99, 255, 0.05);
  border-radius: 12px;
  border-left: 3px solid var(--primary-color);
  transition: var(--transition-base);
}

.feature-item:hover {
  background: rgba(108, 99, 255, 0.1);
  transform: translateX(5px);
}

.feature-icon {
  color: var(--primary-color);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.feature-text {
  color: var(--gray-text);
  line-height: 1.6;
}

.testimonial-card {
  background: var(--dark-card);
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid rgba(108, 99, 255, 0.1);
  position: relative;
  transition: var(--transition-smooth);
}

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

.testimonial-quote {
  font-size: 3rem;
  color: var(--primary-color);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 1rem;
}

.testimonial-text {
  color: var(--gray-text);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
}

.testimonial-info h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.testimonial-info p {
  font-size: 0.875rem;
  color: var(--gray-text);
}

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

.stat-card {
  text-align: center;
  padding: 2rem;
  background: var(--dark-card);
  border-radius: 15px;
  border: 1px solid rgba(108, 99, 255, 0.1);
  transition: var(--transition-base);
}

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

.stat-number {
  font-size: 2.5rem;
  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(--gray-text);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.pricing-card {
  background: var(--dark-card);
  border-radius: 20px;
  padding: 2.5rem;
  border: 2px solid rgba(108, 99, 255, 0.1);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

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

.pricing-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.pricing-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--gradient-secondary);
  color: var(--light-text);
  padding: 0.375rem 1rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.pricing-name {
  font-size: 1.5rem;
  font-weight: 700;
  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(--gray-text);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
}

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

.pricing-features li::before {
  content: '✓';
  color: var(--success-color);
  font-weight: 700;
  font-size: 1.25rem;
}

.cta-section {
  background: var(--gradient-primary);
  border-radius: 30px;
  padding: 4rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

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

@keyframes rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 1rem;
  color: var(--light-text);
}

.cta-text {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

footer {
  background: var(--dark-surface);
  padding: 3rem 2rem 1.5rem;
  border-top: 1px solid rgba(108, 99, 255, 0.1);
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

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

.footer-section ul {
  list-style: none;
}

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

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

.footer-section a:hover {
  color: var(--primary-color);
  padding-left: 0.5rem;
}

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

.social-icon {
  width: 40px;
  height: 40px;
  background: rgba(108, 99, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  transition: var(--transition-base);
  text-decoration: none;
  font-size: 1.25rem;
}

.social-icon:hover {
  background: var(--primary-color);
  color: var(--light-text);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(108, 99, 255, 0.1);
  text-align: center;
  color: var(--gray-text);
  font-size: 0.9rem;
}

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

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

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

.alert {
  padding: 1rem 1.5rem;
  border-radius: 12px;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  border-left: 4px solid;
}

.alert-success {
  background: rgba(0, 230, 118, 0.1);
  border-color: var(--success-color);
  color: var(--success-color);
}

.alert-warning {
  background: rgba(255, 215, 64, 0.1);
  border-color: var(--warning-color);
  color: var(--warning-color);
}

.alert-error {
  background: rgba(255, 101, 132, 0.1);
  border-color: var(--secondary-color);
  color: var(--secondary-color);
}

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

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

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

.modal {
  background: var(--dark-surface);
  border-radius: 20px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2rem;
  position: relative;
  transform: scale(0.9);
  transition: var(--transition-smooth);
  border: 1px solid rgba(108, 99, 255, 0.2);
}

.modal-overlay.show .modal {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--gray-text);
  font-size: 1.5rem;
  cursor: pointer;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
}

.modal-close:hover {
  background: rgba(255, 101, 132, 0.2);
  color: var(--secondary-color);
  transform: rotate(90deg);
}

.tab-container {
  background: var(--dark-card);
  border-radius: 15px;
  overflow: hidden;
  border: 1px solid rgba(108, 99, 255, 0.1);
}

.tab-buttons {
  display: flex;
  background: var(--dark-surface);
  border-bottom: 1px solid rgba(108, 99, 255, 0.1);
  overflow-x: auto;
}

.tab-button {
  padding: 1rem 2rem;
  background: none;
  border: none;
  color: var(--gray-text);
  cursor: pointer;
  transition: var(--transition-base);
  font-weight: 500;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
}

.tab-button:hover {
  background: rgba(108, 99, 255, 0.05);
  color: var(--light-text);
}

.tab-button.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  background: rgba(108, 99, 255, 0.1);
}

.tab-content {
  padding: 2rem;
}

.tab-panel {
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.tab-panel.active {
  opacity: 1;
  max-height: none;
  overflow: visible;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(108, 99, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
  margin: 1rem 0;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 10px;
  transition: width 0.5s ease-out;
  position: relative;
  overflow: hidden;
}

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

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

.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip-text {
  visibility: hidden;
  background: var(--dark-surface);
  color: var(--light-text);
  text-align: center;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  position: absolute;
  z-index: 1000;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: var(--transition-base);
  white-space: nowrap;
  border: 1px solid rgba(108, 99, 255, 0.2);
  font-size: 0.875rem;
}

.tooltip-text::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: var(--dark-surface) transparent transparent transparent;
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .section {
    padding: 3rem 1rem;
  }
  
  .header-container {
    padding: 1rem;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
  
  .cookie-buttons {
    justify-content: center;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .cta-title {
    font-size: 2rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .pricing-card.featured {
    transform: scale(1);
  }
  
  nav ul {
    display: none;
  }
}

@media (min-width: 769px) {
  .mobile-menu-toggle {
    display: none;
  }
}

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