/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #8b5cf6;
  --accent: #ec4899;
  --success: #10b981;
  --warning: #f59e0b;
  --info: #06b6d4;
}

/* Light Theme */
:root[data-theme="light"],
:root:not([data-theme]) {
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --text-light: #94a3b8;
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Dark Theme */
:root[data-theme="dark"] {
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-light: #94a3b8;
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --border: #334155;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
}

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

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}

[data-theme="dark"] .navbar {
  background: rgba(15, 23, 42, 0.8);
}

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

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 20px;
  color: var(--text-primary);
  text-decoration: none;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: color 0.2s ease;
}

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Buttons */
.btn-primary,
.btn-secondary {
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
}

a.btn-primary,
a.btn-secondary {
  display: inline-block;
  text-decoration: none;
  text-align: center;
}

.btn-primary,
a.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.3);
}

.btn-primary:hover,
a.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(99, 102, 241, 0.4);
  color: white;
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--primary);
  color: var(--primary);
}

.btn-large {
  padding: 16px 32px;
  font-size: 16px;
}

.btn-nav {
  padding: 10px 20px;
  font-size: 14px;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 160px 0 120px;
  overflow: hidden;
  background: linear-gradient(
    180deg,
    var(--bg-primary) 0%,
    var(--bg-secondary) 100%
  );
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.6;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.3),
    rgba(139, 92, 246, 0.3)
  );
  top: -200px;
  right: -200px;
  animation-delay: 0s;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: linear-gradient(
    135deg,
    rgba(236, 72, 153, 0.2),
    rgba(139, 92, 246, 0.2)
  );
  bottom: -150px;
  left: -150px;
  animation-delay: 5s;
}

.orb-3 {
  width: 400px;
  height: 400px;
  background: linear-gradient(
    135deg,
    rgba(6, 182, 212, 0.2),
    rgba(99, 102, 241, 0.2)
  );
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: 10s;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -30px) scale(1.1);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.9);
  }
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 24px;
  transition: background 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] .hero-badge {
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(99, 102, 241, 0.4);
}

.badge-icon {
  font-size: 18px;
}

.hero-title {
  font-size: 64px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

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

.hero-description {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  gap: 48px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 36px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  height: 500px;
}

.floating-card {
  position: absolute;
  background: white;
  border-radius: 16px;
  box-shadow: var(--shadow-xl);
  padding: 20px;
  width: 280px;
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  animation: floatCard 6s ease-in-out infinite;
  transition: background 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] .floating-card {
  background: var(--bg-secondary);
}

.card-1 {
  top: 0;
  left: 0;
  animation-delay: 0s;
}

.card-2 {
  top: 120px;
  right: 0;
  animation-delay: 2s;
}

.card-3 {
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  animation-delay: 4s;
}

@keyframes floatCard {
  0%,
  100% {
    transform: translateY(0) translateX(0);
  }
  50% {
    transform: translateY(-20px) translateX(10px);
  }
}

.card-header {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 16px;
}

.card-dots {
  display: flex;
  gap: 6px;
}

.card-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
}

.card-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.card-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.feature-tag {
  padding: 4px 12px;
  background: var(--bg-secondary);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

[data-theme="dark"] .feature-tag {
  background: var(--bg-tertiary);
}

/* Features Section */
.features {
  padding: 120px 0;
  background: var(--bg-primary);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 80px;
}

.section-title {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.section-description {
  font-size: 20px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
}

.feature-card {
  background: white;
  border-radius: 20px;
  padding: 40px;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .feature-card {
  background: var(--bg-secondary);
}

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

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

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

.feature-icon {
  margin-bottom: 24px;
}

.feature-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.feature-description {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feature-list li {
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* How It Works Section */
.how-it-works {
  padding: 120px 0;
  background: var(--bg-secondary);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  max-width: 1000px;
  margin: 0 auto;
}

.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
}

.step-number {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 24px;
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.step-content {
  max-width: 280px;
}

.step-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.step-description {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Framework Support Section */
.framework-support {
  padding: 120px 0;
  background: var(--bg-primary);
}

.framework-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.framework-card {
  background: white;
  border-radius: 20px;
  padding: 40px;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  text-align: center;
}

[data-theme="dark"] .framework-card {
  background: var(--bg-primary);
}

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

.framework-icon {
  font-size: 48px;
  margin-bottom: 16px;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 48px;
}

.framework-icon svg,
.framework-icon img {
  width: 48px;
  height: 48px;
}

.framework-name {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.framework-description {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.framework-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.framework-tag {
  padding: 6px 16px;
  background: var(--bg-secondary);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

[data-theme="dark"] .framework-tag {
  background: var(--bg-tertiary);
  border-color: rgba(99, 102, 241, 0.3);
}

/* Rich Results Section */
.rich-results {
  padding: 120px 0;
  background: var(--bg-secondary);
}

.rich-results-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  max-width: 1000px;
  margin: 0 auto;
}

.result-tag {
  padding: 12px 24px;
  background: linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.1),
    rgba(139, 92, 246, 0.1)
  );
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  transition: all 0.3s ease;
}

[data-theme="dark"] .result-tag {
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.result-tag:hover {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* CTA Section */
.cta-section {
  padding: 120px 0;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  text-align: center;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-size: 48px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.cta-description {
  font-size: 20px;
  margin-bottom: 40px;
  opacity: 0.9;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.cta-section .btn-primary,
.cta-section a.btn-primary {
  background: white;
  color: var(--primary);
  box-shadow: 0 4px 14px 0 rgba(0, 0, 0, 0.3);
}

.cta-section .btn-primary:hover,
.cta-section a.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(0, 0, 0, 0.4);
  color: var(--primary);
}

.cta-section .btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta-section .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

/* GitHub Link */
.github-link {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-left: 16px;
  text-decoration: none;
  color: var(--text-primary);
}

.github-link:hover {
  background: var(--bg-tertiary);
  border-color: var(--primary);
  color: var(--primary);
}

.github-link svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  transition: transform 0.3s ease;
}

.github-link:hover svg {
  transform: scale(1.1);
}

/* Theme Toggle Button */
.theme-toggle {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-left: 16px;
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
  border-color: var(--primary);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  stroke: var(--text-primary);
  fill: none;
  transition: transform 0.3s ease;
}

.theme-toggle:hover svg {
  transform: rotate(15deg);
}

/* Footer */
.footer {
  padding: 80px 0 40px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: background 0.3s ease, color 0.3s ease;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-logo .logo-text {
  color: var(--text-primary);
  font-weight: 700;
  font-size: 20px;
}

.footer-description {
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 300px;
}

.footer-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  padding-top: 40px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  font-size: 14px;
}

.powered-by {
  color: var(--text-secondary);
}

.powered-by a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
}

.powered-by a:hover {
  text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .hero-visual {
    height: 400px;
  }

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

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--border);
    z-index: 999;
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

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

  .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .hero {
    padding: 120px 0 80px;
  }

  .hero-title {
    font-size: 40px;
  }

  .hero-description {
    font-size: 18px;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-stats {
    flex-direction: column;
    gap: 24px;
  }

  .section-title {
    font-size: 36px;
  }

  .section-description {
    font-size: 18px;
  }

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

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

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

  .cta-title {
    font-size: 36px;
  }

  .cta-buttons {
    flex-direction: column;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .floating-card {
    width: 240px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 32px;
  }

  .section-title {
    font-size: 28px;
  }

  .feature-card {
    padding: 32px 24px;
  }
}

/* Smooth Scroll */
html {
  scroll-behavior: smooth;
}

/* Selection */
::selection {
  background: rgba(99, 102, 241, 0.4);
  color: var(--text-primary);
}