:root {
    --primary: #6366f1;
    --secondary: #ec4899;
    --accent: #14b8a6;
    --dark: #0f172a;
    --light: #f1f5f9;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--dark);
    color: var(--light);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Animated Gradient Background */
.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #4facfe 75%, #00f2fe 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Particle Canvas */
#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* Main Container */
.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    position: relative;
}

/* Hero Section */
.hero {
    text-align: center;
    max-width: 1200px;
    animation: fadeInUp 1s ease-out;
}

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

.logo {
    font-size: clamp(3rem, 10vw, 8rem);
    font-weight: 900;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    text-shadow: 0 0 80px rgba(102, 126, 234, 0.5);
    animation: glowPulse 3s ease-in-out infinite;
    letter-spacing: -0.05em;
    position: relative;
}

@keyframes glowPulse {
    0%, 100% { filter: drop-shadow(0 0 20px rgba(102, 126, 234, 0.5)); }
    50% { filter: drop-shadow(0 0 40px rgba(102, 126, 234, 0.8)); }
}

.tagline {
    font-size: clamp(1.2rem, 3vw, 2rem);
    margin-bottom: 3rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.3s both;
    font-weight: 300;
    letter-spacing: 0.05em;
}

/* Floating Cards */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
    width: 100%;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    transition: all 0.6s;
}

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

.card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.4);
    border-color: rgba(255, 255, 255, 0.3);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.card:nth-child(1) .card-icon { animation-delay: 0s; }
.card:nth-child(2) .card-icon { animation-delay: 0.2s; }
.card:nth-child(3) .card-icon { animation-delay: 0.4s; }

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.card p {
    opacity: 0.8;
    line-height: 1.6;
}

/* CTA Button */
.cta-container {
    margin-top: 4rem;
    animation: fadeInUp 1s ease-out 0.9s both;
}

.cta-button {
    display: inline-block;
    padding: 1.2rem 3rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.6);
}

/* Morphing Shapes */
.shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.3;
    animation: morphFloat 20s ease-in-out infinite;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #f093fb, #f5576c);
    bottom: -150px;
    right: -150px;
    animation-delay: 5s;
}

.shape-3 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    top: 50%;
    right: -250px;
    animation-delay: 10s;
}

@keyframes morphFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        border-radius: 50%;
    }
    33% {
        transform: translate(100px, -100px) scale(1.2);
        border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    }
    66% {
        transform: translate(-50px, 100px) scale(0.8);
        border-radius: 70% 30% 50% 50% / 60% 40% 60% 40%;
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    opacity: 0.6;
}

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

.scroll-indicator svg {
    width: 30px;
    height: 30px;
    stroke: white;
    stroke-width: 2;
}

/* Responsive */
@media (max-width: 768px) {
    .cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .hero {
        padding: 1rem;
    }
}

/* Loading Animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}