/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  background: linear-gradient(135deg, #0b0d12 0%, #12151d 100%);
  color: #e2e8f0;
  line-height: 1.6;
  min-height: 100vh;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(11, 13, 18, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: #fff;
  text-decoration: none;
}

.logo-icon {
  font-size: 1.5rem;
  filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.5));
}

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

.nav-links a {
  color: #94a3b8;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: #e2e8f0;
}

/* Hero Section */
.hero {
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 800px;
  height: 800px;
  background: radial-gradient(
    circle,
    rgba(59, 130, 246, 0.15) 0%,
    transparent 70%
  );
  transform: translateX(-50%);
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  text-align: center;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: #94a3b8;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* Buttons */
.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: #e2e8f0;
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.btn-tertiary {
  background: rgba(251, 191, 36, 0.1);
  color: #fbbf24;
  border-color: rgba(251, 191, 36, 0.3);
}

.btn-tertiary:hover {
  background: rgba(251, 191, 36, 0.2);
  transform: translateY(-2px);
}

.btn-icon {
  font-size: 1rem;
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

.screenshot-placeholder {
  max-width: 600px;
  width: 100%;
  aspect-ratio: 16/10;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.05) 100%
  );
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.screenshot {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
}

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

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
  color: #fff;
}

/* Features Section */
.features {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.feature-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

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

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #fff;
}

.feature-card p {
  color: #94a3b8;
  line-height: 1.6;
}

/* Why Section */
.why-intro {
  text-align: center;
  margin-bottom: 3rem;
}

.large-text {
  font-size: 1.25rem;
  color: #94a3b8;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.7;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.why-column h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: #fff;
}

.why-list {
  list-style: none;
  space-y: 1rem;
}

.why-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: #94a3b8;
  line-height: 1.6;
}

.list-icon {
  font-size: 1.25rem;
  margin-top: 0.125rem;
  flex-shrink: 0;
}

.analogy {
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.1) 0%,
    rgba(147, 51, 234, 0.1) 100%
  );
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
}

.analogy blockquote {
  font-size: 1.125rem;
  color: #e2e8f0;
  font-style: italic;
}

.analogy blockquote p {
  margin-bottom: 0.5rem;
}

.analogy blockquote p:last-child {
  margin-bottom: 0;
}

/* Coming Soon Section */
.coming-soon {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.roadmap-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
}

.roadmap-item:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-3px);
}

.roadmap-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: block;
}

.roadmap-item h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #fff;
}

.roadmap-item p {
  color: #94a3b8;
  font-size: 0.875rem;
}

/* Privacy Section */
.privacy {
  text-align: center;
}

.privacy-text {
  font-size: 1.25rem;
  color: #94a3b8;
  max-width: 600px;
  margin: 0 auto;
}

/* Footer */
.footer {
  background: rgba(0, 0, 0, 0.3);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 2rem 0;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: #94a3b8;
}

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

.footer-links a {
  color: #64748b;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #94a3b8;
}

.copyright {
  color: #475569;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  .nav {
    flex-direction: column;
    height: auto;
    padding: 1rem 0;
  }

  .nav-links {
    margin-top: 1rem;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  section {
    padding: 60px 0;
  }

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

  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }

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

@media (max-width: 480px) {
  .nav-links {
    flex-direction: column;
    gap: 1rem;
  }

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

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

  .footer-links {
    flex-direction: column;
    gap: 1rem;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.feature-card,
.roadmap-item {
  animation: fadeInUp 0.6s ease forwards;
}

/* GitHub Corner Badge */
.github-corner {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 1001;
  transition: all 0.3s ease;
}

.github-corner:hover svg {
  fill: #1d4ed8 !important;
}

.github-corner:hover .octo-arm {
  animation: octocat-wave 560ms ease-in-out;
}

.github-corner svg {
  transition: fill 0.3s ease;
}

@keyframes octocat-wave {
  0%,
  100% {
    transform: rotate(0);
  }
  20%,
  60% {
    transform: rotate(-25deg);
  }
  40%,
  80% {
    transform: rotate(10deg);
  }
}

@media (max-width: 768px) {
  .github-corner {
    display: none;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Carousel Styles */
.carousel-slide {
  position: relative;
}

#slides-container {
  transform: translateX(0%);
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.carousel-dot.active {
  background: rgba(255, 255, 255, 0.9);
  transform: scale(1.2);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

.carousel-dot:hover {
  background: rgba(255, 255, 255, 0.7);
  transform: scale(1.1);
}

/* Focus styles for accessibility */
.btn:focus,
.nav-links a:focus,
.footer-links a:focus,
.carousel-dot:focus {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
}