/* Modern CSS Reset & Custom Properties */
:root {
  --color-primary: #4f46e5;
  --color-secondary: #7c3aed;
  --color-accent: #06b6d4;
  --gradient-main: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #06b6d4 100%);
  --gradient-hover: linear-gradient(135deg, #4338ca 0%, #6d28d9 50%, #0891b2 100%);
  --shadow-glow: 0 0 15px rgba(79, 70, 229, 0.3);
  --shadow-neon: 0 0 20px rgba(124, 58, 237, 0.4);
  --border-glass: 1px solid rgba(255, 255, 255, 0.2);
}

/* Global Styles with Modern Scrollbar */
body {
  min-height: 100vh;
  background: #0f172a;
  color: #f8fafc;
  font-family: 'Inter', system-ui, sans-serif;
  overflow-x: hidden;
}

::-webkit-scrollbar {
  width: 8px;
  background: #1e293b;
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-main);
  border-radius: 4px;
}

/* Advanced Hero Section with Animated Background */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  background: 
    radial-gradient(circle at 10% 20%, rgba(79, 70, 229, 0.2) 0%, transparent 20%),
    radial-gradient(circle at 90% 80%, rgba(124, 58, 237, 0.2) 0%, transparent 20%),
    radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 1200px;
}

.hero-section h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 2rem;
  text-shadow: var(--shadow-glow);
  animation: titleFloat 3s ease-in-out infinite;
}

.hero-section p {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  line-height: 1.6;
  color: #94a3b8;
  max-width: 800px;
  margin: 0 auto 3rem;
  animation: fadeUp 1s ease-out 0.5s both;
}

.hero-btn {
  display: inline-block;
  padding: 1rem 3rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: white;
  background: var(--gradient-main);
  border-radius: 50px;
  text-decoration: none;
  box-shadow: var(--shadow-glow);
  transform-origin: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.hero-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-hover);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.hero-btn:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: var(--shadow-neon);
}

.hero-btn:hover::before {
  opacity: 0.75;
}

/* Glass Morphism Cards Section */
.tools-section {
  padding: 6rem 2rem;
  background: linear-gradient(to bottom, #0f172a, #1e293b);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.card {
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  border: var(--border-glass);
  padding: 2rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-main);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -1;
}

.card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-neon);
}

.card:hover::before {
  opacity: 0.1;
}

.feature-icon {
  font-size: 3rem;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 1.5rem;
  display: inline-block;
  filter: drop-shadow(0 0 8px rgba(79, 70, 229, 0.3));
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1rem;
}

.card-text {
  color: #94a3b8;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.card-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: var(--border-glass);
  border-radius: 12px;
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
}

.card-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateX(5px);
}

/* Modern Footer */
.footer {
  background: #1e293b !important;
  border-top: var(--border-glass);
  padding: 4rem 0;
}

.social-links .btn {
  width: 45px;
  height: 45px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: var(--border-glass);
  color: white;
  transition: all 0.3s ease;
}

.social-links .btn:hover {
  transform: translateY(-5px) rotate(8deg);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-glow);
}

/* Animations */
@keyframes titleFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes cardAppear {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Apply card animations */
.card {
  animation: cardAppear 0.6s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.card:nth-child(n) {
  animation-delay: calc(0.1s * var(--i));
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-section {
    min-height: 80vh;
    padding: 3rem 1rem;
  }
  
  .card-grid {
    gap: 1.5rem;
    padding: 0 1rem;
  }
  
  .card {
    padding: 1.5rem;
  }
}

/* Dark Mode Enhancement */
@media (prefers-color-scheme: dark) {
  .card {
    background: rgba(255, 255, 255, 0.03);
  }
  
  .footer {
    background: #0f172a !important;
  }
}