/* SDLCLandingPage.css */

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

body {
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    ‘Segoe UI’,
    Roboto,
    Oxygen,
    Ubuntu,
    Cantarell,
    sans-serif;
  line-height: 1.6;
  color: #2d2416;
  background: #f5f1e8;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Animated Background */
.animated-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #f5f1e8 0%, #ede6d6 50%, #e8dfc9 100%);
  z-index: -2;
}

.floating-shapes {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.shape {
  position: absolute;
  background: linear-gradient(45deg, #c9a876, #a0845c);
  border-radius: 50%;
  opacity: 0.1;
  animation: float 6s ease-in-out infinite;
}

.shape:nth-child(1) {
  left: 10%;
  top: 20%;
  width: 80px;
  height: 80px;
  animation-delay: 0s;
}
.shape:nth-child(2) {
  left: 20%;
  top: 80%;
  width: 120px;
  height: 120px;
  animation-delay: 1s;
}
.shape:nth-child(3) {
  left: 60%;
  top: 30%;
  width: 60px;
  height: 60px;
  animation-delay: 2s;
}
.shape:nth-child(4) {
  left: 80%;
  top: 70%;
  width: 100px;
  height: 100px;
  animation-delay: 3s;
}
.shape:nth-child(5) {
  left: 30%;
  top: 10%;
  width: 90px;
  height: 90px;
  animation-delay: 4s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
  }
}

/* Header */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(245, 241, 232, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: all 0.3s ease;
  border-bottom: 1px solid rgba(160, 132, 92, 0.1);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #8b7355;
  text-decoration: none;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  color: #2d2416;
  text-decoration: none;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #8b7355;
}

.cta-button {
  background: linear-gradient(45deg, #d4941e, #c9a876);
  color: #2d2416;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(212, 148, 30, 0.3);
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #2d2416;
  position: relative;
}

.hero-content {
  max-width: 800px;
  z-index: 1;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  background: linear-gradient(45deg, #8b7355, #a0845c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: slideInUp 1s ease-out;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.8;
  animation: slideInUp 1s ease-out 0.3s both;
  color: #3d3225;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: slideInUp 1s ease-out 0.6s both;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Section Styles */
.section {
  padding: 5rem 0;
  position: relative;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
  color: #2d2416;
}

.section-subtitle {
  font-size: 1.2rem;
  text-align: center;
  margin-bottom: 4rem;
  color: #5a4d3a;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  background: rgba(253, 252, 247, 0.8);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid rgba(160, 132, 92, 0.2);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(139, 115, 85, 0.15);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: #8b7355;
}

.feature-card h3 {
  color: #2d2416;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.feature-card p {
  color: #3d3225;
  line-height: 1.6;
}

/* Interactive Demo */
.demo-container {
  background: rgba(253, 252, 247, 0.8);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 2rem;
  margin: 3rem 0;
  border: 1px solid rgba(160, 132, 92, 0.2);
}

.demo-tabs {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.demo-tab {
  background: rgba(160, 132, 92, 0.1);
  color: #2d2416;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.demo-tab.active {
  background: linear-gradient(45deg, #d4941e, #c9a876);
  color: #2d2416;
}

.demo-content {
  background: rgba(45, 36, 22, 0.08);
  border-radius: 10px;
  padding: 1.5rem;
  color: #2d2416;
  font-family:
    ‘Courier New’,
    monospace;
  min-height: 200px;
  font-size: 0.9rem;
  overflow-x: auto;
}

/* Footer */
footer {
  background: rgba(139, 115, 85, 0.1);
  color: #2d2416;
  text-align: center;
  padding: 2rem 0;
  margin-top: 5rem;
  border-top: 1px solid rgba(160, 132, 92, 0.2);
}

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

/* Responsive Design */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

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

  .nav-links {
    display: none;
  }

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