/* SF Pro Font Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", "Inter", sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Animated Background */
#animated-bg {
    background: radial-gradient(circle at 20% 50%, rgba(0, 113, 227, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(147, 51, 234, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 20%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
    animation: backgroundPulse 20s ease-in-out infinite;
}

@keyframes backgroundPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

/* Animated Geometric Shapes */
#animated-bg::before,
#animated-bg::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
}

#animated-bg::before {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #0071e3 0%, #5e17eb 100%);
    top: -250px;
    left: -250px;
    animation: float 30s ease-in-out infinite;
}

#animated-bg::after {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%);
    bottom: -200px;
    right: -200px;
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(100px, -100px) rotate(120deg); }
    66% { transform: translate(-50px, 100px) rotate(240deg); }
}

/* Navigation Styles */
.nav-link {
    position: relative;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
    font-weight: 500;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #0071e3, #5e17eb);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: rgba(255, 255, 255, 1);
}

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

/* Fade In Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

.animate-fade-in-up {
    animation: fadeInUp 1s ease-out;
}

/* Feature Cards */
.feature-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 113, 227, 0.1) 0%, rgba(147, 51, 234, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 60px rgba(0, 113, 227, 0.2);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card > * {
    position: relative;
    z-index: 1;
}

/* Module Cards */
.module-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 28px;
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.module-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 113, 227, 0.15) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.6s ease;
    pointer-events: none;
}

.module-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
}

.module-card:hover::before {
    opacity: 1;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(10%, 10%); }
}

/* Framework Cards */
.framework-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.framework-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.04) 100%);
}

/* Roadmap Cards */
.roadmap-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 28px;
    padding: 2.5rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.roadmap-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #0071e3 0%, #5e17eb 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.roadmap-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.roadmap-card:hover::after {
    opacity: 1;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #0071e3 0%, #5e17eb 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Pulse Animation for Icons */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

.feature-card:hover .w-16,
.module-card:hover .w-20 {
    animation: pulse 2s ease-in-out infinite;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #000000;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Glassmorphism Effect */
.glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Typography */
@media (max-width: 768px) {
    h1 {
        font-size: 3rem !important;
    }
    h2 {
        font-size: 2.5rem !important;
    }
}

/* Wave Animation Background Element */
.wave-animation {
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: linear-gradient(45deg, transparent 30%, rgba(0, 113, 227, 0.05) 50%, transparent 70%);
    animation: wave 15s linear infinite;
}

@keyframes wave {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Particle Effect */
@keyframes particle {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-1000px) translateX(500px);
        opacity: 0;
    }
}

/* Smooth transitions for all interactive elements */
button, a, .nav-link {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Focus states for accessibility */
button:focus,
a:focus {
    outline: 2px solid #0071e3;
    outline-offset: 2px;
}

/* Loading animation for future use */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.spinner {
    animation: spin 1s linear infinite;
}

/* Glow effect on hover */
.glow-on-hover {
    position: relative;
}

.glow-on-hover::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(45deg, #0071e3, #5e17eb, #ec4899);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s;
}

.glow-on-hover:hover::before {
    opacity: 1;
}