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

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  line-height: 1.6;
  color: #e2e8f0;
  overflow-x: hidden;
  background: #0f172a;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Animated Background */
.bg-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
  overflow: hidden;
}

.bg-animation::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(100, 116, 139, 0.05) 50%,
    transparent 70%
  );
  animation: shimmer 15s infinite linear;
}

.bg-animation::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
      circle at 20% 80%,
      rgba(59, 130, 246, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(139, 92, 246, 0.08) 0%,
      transparent 50%
    );
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%) translateY(-100%) rotate(45deg);
  }
  100% {
    transform: translateX(100%) translateY(100%) rotate(45deg);
  }
}

/* Header */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(100, 116, 139, 0.1);
  z-index: 1000;
  transition: all 0.3s ease;
}

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

.logo {
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-links a {
  text-decoration: none;
  color: #cbd5e1;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  transition: width 0.3s ease;
}

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

.nav-links a:hover {
  color: #3b82f6;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.mobile-menu span {
  width: 25px;
  height: 3px;
  background: #cbd5e1;
  margin: 3px 0;
  transition: all 0.3s ease;
  border-radius: 2px;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(
    135deg,
    rgba(15, 23, 42, 0.95),
    rgba(30, 41, 59, 0.95)
  );
  color: #e2e8f0;
  padding-top: 80px;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #ffffff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 3vw, 1.3rem);
  margin-bottom: 1rem;
  color: #3b82f6;
  font-weight: 600;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-description {
  font-size: clamp(1rem, 2.5vw, 1.1rem);
  margin-bottom: 2.5rem;
  color: #94a3b8;
  line-height: 1.7;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  animation: fadeInUp 0.8s ease-out 0.6s both;
  flex-wrap: wrap;
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  color: white;
  padding: 1rem 2rem;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
  background: transparent;
  color: #cbd5e1;
  padding: 1rem 2rem;
  border: 2px solid rgba(203, 213, 225, 0.2);
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  backdrop-filter: blur(10px);
  font-size: 1rem;
}

.btn-secondary:hover {
  background: rgba(59, 130, 246, 0.1);
  border-color: #3b82f6;
  color: #3b82f6;
  transform: translateY(-2px);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInUp 0.8s ease-out 0.3s both;
  position: relative;
}

.phone-mockup {
  position: relative;
  width: 280px;
  height: 560px;
  background: linear-gradient(145deg, #1e293b, #334155);
  border-radius: 40px;
  padding: 20px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(145deg, #0f172a, #1e293b);
  border-radius: 25px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(100, 116, 139, 0.2);
}

.screen-content {
  padding: 2rem 1.5rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.app-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.app-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}

.feature-item {
  background: rgba(100, 116, 139, 0.1);
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid rgba(100, 116, 139, 0.2);
  backdrop-filter: blur(10px);
  animation: floatSlow 4s ease-in-out infinite;
}

.feature-item:nth-child(odd) {
  animation-delay: 2s;
}

.feature-item h4 {
  color: #e2e8f0;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.feature-item p {
  color: #94a3b8;
  font-size: 0.8rem;
}

.floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.floating-icon {
  position: absolute;
  width: 60px;
  height: 60px;
  background: rgba(59, 130, 246, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  animation: floatSlow 8s ease-in-out infinite;
}

.floating-icon:nth-child(1) {
  top: 10%;
  right: 10%;
  animation-delay: 0s;
}

.floating-icon:nth-child(2) {
  top: 30%;
  left: -10%;
  animation-delay: 3s;
}

.floating-icon:nth-child(3) {
  bottom: 20%;
  right: -5%;
  animation-delay: 6s;
}

@keyframes floatSlow {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-15px);
  }
}

/* Features Section */
.features {
  padding: 6rem 0;
  background: #0f172a;
}

.section-title {
  text-align: center;
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center;
  color: #94a3b8;
  font-size: 1.1rem;
  margin-bottom: 4rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.feature-card {
  background: rgba(30, 41, 59, 0.5);
  padding: 2.5rem 2rem;
  border-radius: 20px;
  border: 1px solid rgba(100, 116, 139, 0.2);
  backdrop-filter: blur(20px);
  transition: all 0.4s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.05),
    transparent
  );
  transition: left 0.6s ease;
}

.feature-card:hover::before {
  left: 100%;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px rgba(59, 130, 246, 0.2);
  border-color: rgba(59, 130, 246, 0.3);
  background: rgba(30, 41, 59, 0.7);
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
  color: white;
  transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1);
}

.feature-card h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #e2e8f0;
}

.feature-card p {
  color: #94a3b8;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.premium-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-top: 0.5rem;
}

/* Premium Features Section */
.premium-section {
  padding: 6rem 0;
  background: linear-gradient(135deg, #1e293b, #334155);
  color: #e2e8f0;
  position: relative;
  overflow: hidden;
}

.premium-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    circle at 30% 70%,
    rgba(59, 130, 246, 0.1) 0%,
    transparent 50%
  );
}

.premium-content {
  position: relative;
  z-index: 2;
}

.premium-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.premium-card {
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(100, 116, 139, 0.2);
  border-radius: 20px;
  padding: 2rem;
  transition: all 0.3s ease;
}

.premium-card:hover {
  transform: translateY(-5px);
  background: rgba(15, 23, 42, 0.8);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.premium-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

/* Stats Section */
.stats {
  padding: 5rem 0;
  background: #0f172a;
}

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

.stat-item {
  text-align: center;
  padding: 2rem 1rem;
  border-radius: 16px;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(100, 116, 139, 0.2);
  backdrop-filter: blur(20px);
}

.stat-number {
  font-size: clamp(2.5rem, 5vw, 3rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 1.1rem;
  color: #94a3b8;
  font-weight: 500;
}

/* CTA Section */
.cta-section {
  padding: 6rem 0;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  text-align: center;
  color: white;
}

.cta-content h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-btn {
  background: white;
  color: #3b82f6;
  padding: 1.2rem 2.5rem;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
}

.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* Footer */
footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(100, 116, 139, 0.2);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-section h3 {
  margin-bottom: 1.5rem;
  color: #3b82f6;
  font-size: 1.2rem;
}

.footer-section a {
  color: #94a3b8;
  text-decoration: none;
  display: block;
  margin-bottom: 0.8rem;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: #3b82f6;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(100, 116, 139, 0.2);
  color: #64748b;
}

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

/* Mobile Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu {
    display: flex;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .hero-visual {
    order: -1;
  }

  .phone-mockup {
    width: 240px;
    height: 480px;
    padding: 15px;
  }

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

  .btn-primary,
  .btn-secondary {
    flex: 1;
    justify-content: center;
    min-width: 140px;
  }

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

  .feature-card,
  .premium-card {
    padding: 2rem 1.5rem;
  }

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

  .container {
    padding: 0 1rem;
  }

  .floating-icon {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero {
    padding-top: 100px;
  }

  .btn-primary,
  .btn-secondary {
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
  }

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

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

/* Clean animation classes */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.5s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}