:root {
    --bg-color: #0f172a;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --card-bg: rgba(30, 41, 59, 0.7);
    --card-border: rgba(255, 255, 255, 0.1);
    
    --accent-1: #3b82f6; /* Blue */
    --accent-2: #8b5cf6; /* Purple */
    --accent-3: #10b981; /* Green */
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
}

/* Dynamic Background */
.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
}

.shape {
    position: absolute;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out alternate;
}

.shape-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: var(--accent-1);
    border-radius: 50%;
    animation-delay: 0s;
}

.shape-2 {
    bottom: -10%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: var(--accent-2);
    border-radius: 50%;
    animation-delay: -5s;
}

.shape-3 {
    top: 40%;
    left: 40%;
    width: 400px;
    height: 400px;
    background: var(--accent-3);
    border-radius: 50%;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.2); }
}

/* Main Container */
.container {
    width: 100%;
    max-width: 1200px;
    padding: 2rem;
    z-index: 1;
}

.header {
    text-align: center;
    margin-bottom: 4rem;
    animation: fadeInDown 1s ease-out;
}

.header h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.header h1 span {
    background: linear-gradient(to right, var(--accent-1), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.header p {
    font-size: 1.25rem;
    color: var(--text-muted);
    font-weight: 300;
}

/* Cards Grid */
.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.card {
    position: relative;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 3rem 2rem;
    text-align: center;
    text-decoration: none;
    color: var(--text-main);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), 
                box-shadow 0.4s ease, border-color 0.4s ease;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.05) 50%, rgba(255,255,255,0) 100%);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.card:hover::before {
    transform: translateX(100%);
}

.card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.3);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.4s ease;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.card:nth-child(1) .card-icon { color: var(--accent-1); }
.card:nth-child(2) .card-icon { color: var(--accent-2); }
.card:nth-child(3) .card-icon { color: var(--accent-3); }

.card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
    background: rgba(255, 255, 255, 0.1);
}

.card h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.card p {
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 1.05rem;
}

/* Mouse Glow Effect via JS */
.glow {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 0;
}

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

.card:hover .glow {
    opacity: 1;
}

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

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

/* Responsive */
@media (max-width: 768px) {
    .header h1 {
        font-size: 3rem;
    }
    
    .cards-container {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
}