@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: #0A0E27;
  --darker-bg: #060914;
  --card-bg: #131937;
  --text-primary: #FFFFFF;
  --text-secondary: #B8B9D4;
  --text-muted: #6B6D8F;
  --border-color: #1E2449;
  --success-color: #00FFA3;
  --warning-color: #FFB800;
  --error-color: #FF4757;
  --gradient-primary: linear-gradient(135deg, #6C63FF 0%, #5A52D5 100%);
  --gradient-secondary: linear-gradient(135deg, #FF6584 0%, #FF4D6D 100%);
  --gradient-accent: linear-gradient(135deg, #00D9FF 0%, #00B8D4 100%);
  --gradient-dark: linear-gradient(135deg, #0A0E27 0%, #060914 100%);
  --glow-primary: 0 0 40px rgba(108, 99, 255, 0.4);
  --glow-secondary: 0 0 40px rgba(255, 101, 132, 0.4);
  --glow-accent: 0 0 40px rgba(0, 217, 255, 0.4);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
  --transition-fast: all 0.2s ease;
  --transition-normal: all 0.3s ease;
  --transition-slow: all 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 20% 50%, rgba(108, 99, 255, 0.03) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(255, 101, 132, 0.03) 0%, transparent 50%),
              radial-gradient(circle at 40% 20%, rgba(0, 217, 255, 0.02) 0%, transparent 50%);
  z-index: -1;
  animation: bgShift 20s ease-in-out infinite alternate;
}

@keyframes bgShift {
  to {
    transform: translate(10%, 10%);
  }
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: 5px;
  border: 2px solid var(--darker-bg);
}

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

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

.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 14, 39, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-normal);
}

.header.scrolled {
  background: rgba(10, 14, 39, 0.95);
  box-shadow: var(--shadow-lg);
}

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

.logo {
  font-size: 1.75rem;
  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-fast);
  cursor: pointer;
}

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

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

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

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

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

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

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

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 0.5rem;
  gap: 5px;
  background: transparent;
  border: none;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 3px;
  transition: var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

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

.btn {
  padding: 0.75rem 1.75rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: var(--transition-normal);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
  z-index: -1;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-primary);
  box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(108, 99, 255, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--text-primary);
  box-shadow: 0 4px 15px rgba(255, 101, 132, 0.3);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(255, 101, 132, 0.5);
}

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

.btn-outline:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(108, 99, 255, 0.4);
}

.btn-ghost {
  background: rgba(108, 99, 255, 0.1);
  color: var(--primary-color);
  border: 1px solid rgba(108, 99, 255, 0.3);
}

.btn-ghost:hover {
  background: rgba(108, 99, 255, 0.2);
  border-color: var(--primary-color);
}

.btn-accent {
  background: var(--gradient-accent);
  color: var(--darker-bg);
  box-shadow: 0 4px 15px rgba(0, 217, 255, 0.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 217, 255, 0.5);
}

.cookie-banner {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  padding: 1.5rem 2rem;
  box-shadow: var(--shadow-xl);
  z-index: 9999;
  max-width: 600px;
  width: 90%;
  animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
  from {
    bottom: -100px;
    opacity: 0;
  }
  to {
    bottom: 2rem;
    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: none;
  font-weight: 600;
}

.cookie-banner-text a:hover {
  text-decoration: underline;
}

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

.form-container {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.form-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
}

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

.form-label {
  display: block;
  color: var(--text-secondary);
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.875rem 1.25rem;
  background: var(--darker-bg);
  border: 2px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: var(--transition-normal);
  font-family: inherit;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  background: rgba(108, 99, 255, 0.05);
  box-shadow: 0 0 0 4px rgba(108, 99, 255, 0.1);
}

.form-input:focus + .form-label,
.form-textarea:focus + .form-label,
.form-select:focus + .form-label {
  color: var(--primary-color);
}

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

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

.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: 0.3rem;
}

.form-success {
  color: var(--success-color);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.checkbox-group,
.radio-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.form-checkbox,
.form-radio {
  width: 20px;
  height: 20px;
  accent-color: var(--primary-color);
  cursor: pointer;
}

.checkbox-label,
.radio-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  user-select: none;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  padding: 2rem;
  transition: var(--transition-normal);
  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-normal);
  z-index: -1;
}

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

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

.card-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  transition: var(--transition-normal);
}

.card:hover .card-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--glow-primary);
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.card-text {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem 0;
}

.accordion {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 1rem;
  overflow: hidden;
  transition: var(--transition-normal);
}

.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(--card-bg);
  transition: var(--transition-fast);
  user-select: none;
}

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

.accordion-header.active {
  background: rgba(108, 99, 255, 0.1);
  border-bottom: 1px solid var(--border-color);
}

.accordion-title {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1.05rem;
}

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

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

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 1.5rem;
}

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

.accordion-text {
  color: var(--text-secondary);
  line-height: 1.7;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 2rem auto;
}

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

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

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

.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;
  }
}

.pulse-animation {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

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

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

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

.slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.scale-in {
  animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.floating {
  animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

.glow-effect {
  animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
  from {
    box-shadow: 0 0 20px rgba(108, 99, 255, 0.3);
  }
  to {
    box-shadow: 0 0 40px rgba(108, 99, 255, 0.6), 0 0 60px rgba(108, 99, 255, 0.4);
  }
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.875rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-primary {
  background: rgba(108, 99, 255, 0.15);
  color: var(--primary-color);
  border: 1px solid rgba(108, 99, 255, 0.3);
}

.badge-secondary {
  background: rgba(255, 101, 132, 0.15);
  color: var(--secondary-color);
  border: 1px solid rgba(255, 101, 132, 0.3);
}

.badge-accent {
  background: rgba(0, 217, 255, 0.15);
  color: var(--accent-color);
  border: 1px solid rgba(0, 217, 255, 0.3);
}

.badge-success {
  background: rgba(0, 255, 163, 0.15);
  color: var(--success-color);
  border: 1px solid rgba(0, 255, 163, 0.3);
}

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

.tooltip-text {
  visibility: hidden;
  opacity: 0;
  background: var(--card-bg);
  color: var(--text-primary);
  text-align: center;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  position: absolute;
  z-index: 1000;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 0.85rem;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-md);
}

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

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

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-secondary {
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-accent {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.section-container {
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 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: 2.75rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-description {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 700px;
  margin: 0 auto;
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
  margin: 3rem 0;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1.5rem;
  padding: 2rem 0;
}

.tech-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition-normal);
  cursor: pointer;
}

.tech-item:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
  background: rgba(108, 99, 255, 0.05);
}

.tech-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.tech-name {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
}

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

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  padding: 2rem;
  text-align: center;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
}

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

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 600;
}

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

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

.timeline-item {
  margin-bottom: 3rem;
  position: relative;
}

.timeline-content {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  width: calc(50% - 40px);
  position: relative;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: auto;
}

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

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
}

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

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  padding: 2.5rem;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  z-index: 9999;
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  transition: var(--transition-fast);
}

.modal-close:hover {
  color: var(--text-primary);
  transform: rotate(90deg);
}

.modal-body {
  color: var(--text-secondary);
  line-height: 1.7;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--darker-bg);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

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

.alert {
  padding: 1rem 1.5rem;
  border-radius: 10px;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  border-left: 4px solid;
  animation: slideInRight 0.3s ease-out;
}

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

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.alert-message {
  font-size: 0.9rem;
  opacity: 0.9;
}

.alert-success {
  background: rgba(0, 255, 163, 0.1);
  border-color: var(--success-color);
  color: var(--success-color);
}

.alert-warning {
  background: rgba(255, 184, 0, 0.1);
  border-color: var(--warning-color);
  color: var(--warning-color);
}

.alert-error {
  background: rgba(255, 71, 87, 0.1);
  border-color: var(--error-color);
  color: var(--error-color);
}

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

.tabs {
  display: flex;
  gap: 1rem;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 2rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.tab {
  padding: 1rem 2rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  position: relative;
  transition: var(--transition-fast);
  white-space: nowrap;
}

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

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

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

.tab.active::after {
  width: 100%;
}

.tab-content {
  opacity: 0;
  visibility: hidden;
  max-height: 0;
  overflow: hidden;
  transition: var(--transition-normal);
}

.tab-content.active {
  opacity: 1;
  visibility: visible;
  max-height: 5000px;
}

.pricing-card {
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: 15px;
  padding: 2.5rem;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

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

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: 1.5rem;
  right: -2rem;
  background: var(--gradient-primary);
  color: var(--text-primary);
  padding: 0.5rem 3rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  transform: rotate(45deg);
  box-shadow: var(--shadow-md);
}

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

.pricing-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.pricing-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.pricing-period {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 500;
}

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

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

.pricing-feature i {
  color: var(--success-color);
  font-size: 1.25rem;
}

.testimonial-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 15px;
  padding: 2rem;
  position: relative;
}

.testimonial-quote {
  font-size: 3rem;
  color: var(--primary-color);
  opacity: 0.2;
  position: absolute;
  top: 1rem;
  left: 1.5rem;
}

.testimonial-text {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-style: italic;
  position: relative;
  z-index: 1;
}

.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 {
  flex: 1;
}

.testimonial-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.testimonial-role {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer {
  background: var(--darker-bg);
  border-top: 1px solid var(--border-color);
  padding: 4rem 2rem 2rem;
  margin-top: 5rem;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
}

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

.footer-section h3 {
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

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

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

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
  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;
}

.social-icon {
  width: 40px;
  height: 40px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 1.25rem;
  transition: var(--transition-normal);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-bottom a {
  color: var(--primary-color);
  text-decoration: none;
}

.footer-bottom a:hover {
  text-decoration: underline;
}

@media (max-width: 968px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: rgba(10, 14, 39, 0.98);
    backdrop-filter: blur(20px);
    width: 100%;
    text-align: center;
    transition: left 0.3s ease;
    box-shadow: var(--shadow-lg);
    padding: 2rem 0;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-color);
  }

  .nav-menu.active {
    left: 0;
  }

  .hamburger {
    display: flex;
  }

  .section-title {
    font-size: 2rem;
  }

  .section-description {
    font-size: 1rem;
  }

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

  .timeline::before {
    left: 30px;
  }

  .timeline-content {
    width: calc(100% - 80px);
    margin-left: 80px !important;
  }

  .timeline-dot {
    left: 30px;
  }

  .cookie-banner {
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    transform: none;
    width: auto;
  }

  .cookie-banner-actions {
    flex-direction: column;
  }

  .cookie-banner-actions .btn {
    width: 100%;
    justify-content: center;
  }

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

  .tech-grid {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1rem;
  }
}

@media (max-width: 640px) {
  .header-container {
    padding: 1rem;
  }

  .section {
    padding: 3rem 1rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .card {
    padding: 1.5rem;
  }

  .form-container {
    padding: 1.5rem;
  }

  .modal {
    padding: 1.5rem;
  }

  .stats-container {
    grid-template-columns: 1fr;
  }

  .stat-number {
    font-size: 2.5rem;
  }

  .pricing-card {
    padding: 2rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

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

.video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  overflow: hidden;
  border-radius: 15px;
  background: var(--card-bg);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  cursor: pointer;
  aspect-ratio: 1;
}

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

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

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  opacity: 0;
  transition: var(--transition-normal);
  display: flex;
  align-items: flex-end;
  padding: 1rem;
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

.breadcrumb-separator {
  color: var(--text-muted);
}

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
  z-index: 999;
  box-shadow: var(--shadow-lg);
}

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

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

.skeleton {
  background: linear-gradient(90deg, var(--card-bg) 25%, var(--border-color) 50%, var(--card-bg) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: 8px;
}

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

.skeleton-text {
  height: 1rem;
  margin-bottom: 0.5rem;
}

.skeleton-title {
  height: 2rem;
  width: 60%;
  margin-bottom: 1rem;
}

.skeleton-card {
  height: 300px;
}