:root {
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --primary-light: #6366f1;
  --secondary: #7c3aed;
  --secondary-dark: #5b21b6;
  --accent: #06b6d4;
  --accent-dark: #0891b2;
  --success: #10b981;
  --info: #3b82f6;
  --warning: #f59e0b;
  --danger: #ef4444;
  --light: #f8fafc;
  --dark: #0f172a;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --body-bg: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-md:
    0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg:
    0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto",
    sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", "Source Code Pro", monospace;
}

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

*::before,
*::after {
  box-sizing: border-box;
}

#icon-logo {
  max-height: 40px;
  width: auto;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--body-bg);
  color: var(--gray-900);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Page Transition */
body.page-transition-active {
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

body.page-transition-active.page-transition-in {
  opacity: 1;
}

body.page-transition-active.page-transition-out {
  opacity: 0;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header Styles */
header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: var(--transition);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.5rem;
  transition: var(--transition);
}

.logo:hover {
  transform: translateY(-1px);
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  transition: var(--transition);
  padding: 8px 0;
}

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

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

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 0.3s ease;
}

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

.auth-buttons {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.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;
}

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

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-dark) 100%
  );
  color: white;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  background: linear-gradient(
    135deg,
    var(--primary-dark) 0%,
    var(--secondary-dark) 100%
  );
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.1rem;
}

/* Typography */
h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--secondary) 50%,
    var(--accent) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--gray-900);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--gray-800);
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--gray-800);
}

p {
  margin-bottom: 20px;
  font-size: 1.1rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* Layout Sections */
section {
  padding: 80px 0;
}

.hero {
  display: flex;
  align-items: center;
  min-height: calc(100vh - 80px);
  background: linear-gradient(
    135deg,
    rgba(79, 70, 229, 0.05) 0%,
    rgba(124, 58, 237, 0.05) 50%,
    rgba(6, 182, 212, 0.05) 100%
  );
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%234f46e5" fill-opacity="0.03"><circle cx="30" cy="30" r="2"/></g></g></svg>');
  z-index: -1;
}

.hero-content {
  max-width: 600px;
  z-index: 1;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

/* Hero Section Enhanced Styles */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: linear-gradient(
    135deg,
    rgba(79, 70, 229, 0.1) 0%,
    rgba(124, 58, 237, 0.05) 100%
  );
  border: 1px solid rgba(79, 70, 229, 0.2);
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.badge-icon {
  font-size: 1.1rem;
}

.hero-description {
  font-size: 1.3rem;
  color: var(--gray-600);
  margin-bottom: 40px;
  max-width: 600px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--gray-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 24px;
}

.trust-text {
  font-size: 0.9rem;
  color: var(--gray-500);
  font-weight: 500;
  position: relative;
  padding: 0 20px;
}

.trust-text::before,
.trust-text::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 16px;
  height: 1px;
  background: var(--gray-300);
}

.trust-text::before {
  left: 0;
}

.trust-text::after {
  right: 0;
}

.hero-visual {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  width: 400px;
  height: 400px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.8;
}

.floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  padding: 16px;
  animation: float 6s ease-in-out infinite;
}

.card-1 {
  top: 20px;
  left: 20px;
  width: 200px;
  animation-delay: 0s;
  animation-duration: 4s;
}

.card-2 {
  top: 120px;
  right: 20px;
  width: 160px;
  animation-delay: 1.5s;
  animation-duration: 5s;
}

.card-3 {
  bottom: 60px;
  left: 60px;
  width: 140px;
  animation-delay: 3s;
  animation-duration: 6s;
}

.card-header {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}

.card-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.card-dot.green {
  background: var(--success);
}

.card-dot.yellow {
  background: var(--warning);
}

.card-dot.red {
  background: var(--danger);
}

.card-content {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.4;
}

.code-line {
  margin-bottom: 4px;
}

.code-keyword {
  color: #8b5cf6;
  font-weight: 600;
}

.code-variable {
  color: #059669;
}

.code-operator {
  color: #dc2626;
}

.code-function {
  color: #2563eb;
}

.code-punctuation {
  color: var(--gray-600);
}

.code-indent {
  margin-left: 16px;
}

.provider-logos {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.provider-logo {
  padding: 4px 8px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-align: center;
}

.metric {
  text-align: center;
  margin-bottom: 12px;
}

.metric-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.metric-label {
  font-size: 0.7rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.metric-chart {
  display: flex;
  align-items: end;
  gap: 4px;
  height: 30px;
}

.chart-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
  border-radius: 2px;
  min-height: 20%;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  25% {
    transform: translateY(-5px) rotate(1deg);
  }
  50% {
    transform: translateY(-10px) rotate(0deg);
  }
  75% {
    transform: translateY(-5px) rotate(-1deg);
  }
}

/* Card Styles */
.card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow);
  transition: var(--transition);
  padding: 32px;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--primary),
    var(--secondary),
    var(--accent)
  );
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.card:hover::before {
  transform: scaleX(1);
}

/* Features Section */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 60px;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  font-size: 28px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-md);
}

/* Providers Section */
.providers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-top: 60px;
}

.provider-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow);
  transition: var(--transition);
  padding: 28px;
  position: relative;
}

.provider-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.provider-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.provider-card:hover::before {
  transform: scaleX(1);
}

/* CTA Section */
.cta-section {
  background: linear-gradient(
    135deg,
    var(--gray-50) 0%,
    rgba(79, 70, 229, 0.05) 50%,
    var(--gray-100) 100%
  );
  position: relative;
}

.cta-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-lg);
  padding: 60px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--primary),
    var(--secondary),
    var(--accent)
  );
}

/* Comparison Table */
.comparison-section {
  padding: 80px 0;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 40px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-200);
}

.comparison-table th,
.comparison-table td {
  padding: 20px;
  text-align: center;
  border-bottom: 1px solid var(--gray-200);
}

.comparison-table th {
  background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
  font-weight: 600;
  color: var(--gray-800);
}

.comparison-table td:first-child {
  font-weight: 600;
  text-align: left;
}

.comparison-table .check i {
  color: var(--success);
  font-size: 1.5rem;
}

.comparison-table .cross i {
  color: var(--danger);
  font-size: 1.5rem;
}

.comparison-table .highlight {
  font-weight: 700;
}

.comparison-table .highlight td {
  background: linear-gradient(
    135deg,
    rgba(79, 70, 229, 0.1) 0%,
    rgba(124, 58, 237, 0.05) 100%
  );
  border-top: 2px solid var(--primary);
  border-bottom: 2px solid var(--primary);
}

.comparison-table .highlight td:first-child {
  border-left: 2px solid var(--primary);
  color: var(--primary);
}

.comparison-table .highlight td:last-child {
  border-right: 2px solid var(--primary);
}

/* Footer */
footer {
  background: linear-gradient(
    135deg,
    var(--gray-900) 0%,
    var(--gray-800) 100%
  );
  color: white;
  padding: 80px 0 32px;
  position: relative;
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--primary),
    var(--secondary),
    var(--accent)
  );
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  flex: 1;
  min-width: 200px;
}

.footer-brand h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  color: white;
}

.footer-brand p {
  color: var(--gray-400);
  font-size: 1rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 48px;
}

.footer-column {
  min-width: 140px;
}

.footer-column h4 {
  font-size: 1rem;
  margin-bottom: 20px;
  color: var(--gray-200);
}

.footer-column a {
  display: block;
  color: var(--gray-400);
  text-decoration: none;
  margin-bottom: 12px;
  font-size: 0.95rem;
  transition: var(--transition);
}

.footer-column a:hover {
  color: white;
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid var(--gray-700);
  padding-top: 24px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--gray-400);
}

/* Cookie Notice */
#cookie-notice {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  color: white;
  padding: 20px 32px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  display: none;
  align-items: center;
  justify-content: space-between;
  z-index: 1000;
  max-width: 90%;
  width: 600px;
  border: 1px solid var(--gray-700);
}

#cookie-notice p {
  margin: 0 24px 0 0;
  font-size: 0.95rem;
  color: var(--gray-300);
}

#accept-cookies {
  margin-left: auto;
  flex-shrink: 0;
}

/* Animations */
.fade-in-image {
  opacity: 0;
  animation: fadeIn 1s ease-in-out forwards;
}

.fade-in-slide-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInSlideUp 0.8s ease-out forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

@keyframes fadeInSlideUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1001;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.modal-content {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  margin: 10% auto;
  padding: 32px;
  border: 1px solid var(--gray-200);
  width: 90%;
  max-width: 500px;
  border-radius: var(--border-radius-lg);
  position: relative;
  box-shadow: var(--shadow-xl);
}

.close-button {
  color: var(--gray-400);
  float: right;
  font-size: 28px;
  font-weight: bold;
  line-height: 1;
  cursor: pointer;
  transition: var(--transition);
}

.close-button:hover,
.close-button:focus {
  color: var(--gray-800);
  text-decoration: none;
}

/* User Greeting */
.user-greeting {
  margin-right: 16px;
  color: var(--gray-700);
  font-weight: 500;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.d-flex {
  display: flex;
}

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

.justify-content-center {
  justify-content: center;
}

.gap-1 {
  gap: 8px;
}

.gap-2 {
  gap: 16px;
}

.gap-3 {
  gap: 24px;
}

.mt-1 {
  margin-top: 8px;
}

.mt-2 {
  margin-top: 16px;
}

.mt-3 {
  margin-top: 24px;
}

.mb-1 {
  margin-bottom: 8px;
}

.mb-2 {
  margin-bottom: 16px;
}

.mb-3 {
  margin-bottom: 24px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  nav {
    padding: 12px 0;
    height: 64px;
  }

  .hero {
    flex-direction: column;
    text-align: center;
    padding: 40px 0;
    min-height: auto;
  }

  .hero-visual {
    display: none;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-stats {
    gap: 24px;
    justify-content: center;
  }

  .stat-number {
    font-size: 1.75rem;
  }

  .hero-description {
    font-size: 1.2rem;
  }

  .hero-buttons {
    justify-content: center;
    gap: 16px;
  }

  .features,
  .providers {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-content,
  .footer-links {
    flex-direction: column;
    text-align: center;
    gap: 32px;
  }

  #cookie-notice {
    flex-direction: column;
    text-align: center;
    gap: 16px;
    bottom: 16px;
    padding: 16px 24px;
  }

  .cta-card {
    padding: 40px 24px;
  }

  section {
    padding: 60px 0;
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }

  .card {
    padding: 24px;
  }

  .provider-card {
    padding: 20px;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 12px 8px;
    font-size: 0.9rem;
  }
}