:root {
    --primary-color: #00f2ff;
    --secondary-color: #4361ee;
    --accent-color: #f72585;
    --bg-dark: #0b0e14;
    --card-bg: #161b28;
    --text-main: #e0e6ed;
    --text-muted: #94a3b8;
    --glow: 0 0 15px rgba(0, 242, 255, 0.2);
}

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

body {
    font-family: 'Roboto', sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--bg-dark);
    overflow-x: hidden;
}

/* Background Cyber-Grid */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-color: var(--bg-dark);
    background-image:
        linear-gradient(rgba(0, 242, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 242, 255, 0.03) 1px, transparent 1px),
        radial-gradient(circle at 50% 50%, rgba(11, 14, 20, 0) 0%, rgba(11, 14, 20, 1) 90%);
    background-size: 50px 50px, 50px 50px, 100% 100%;
}

header {
    padding: 2.5rem 1rem;
    text-align: center;
    border-bottom: 2px solid var(--primary-color);
    background: radial-gradient(circle at top, rgba(67, 97, 238, 0.2), transparent 70%);
    box-shadow: 0 5px 20px rgba(0, 242, 255, 0.1);
    position: relative;
    backdrop-filter: blur(5px);
}

h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: #fff;
    text-shadow: 0 0 15px var(--primary-color);
    margin-bottom: 0.5rem;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    text-align: center;
}

/* Home Button */
.home-btn {
    display: inline-block;
    padding: 12px 24px;
    margin: 20px auto;
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    text-decoration: none;
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    border-radius: 5px;
    transition: 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.home-btn:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
    box-shadow: 0 0 15px var(--primary-color);
}

/* Sections & Cards */
.content-section {
    background: rgba(22, 27, 40, 0.6);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: 2rem;
    text-align: left;
}

h2 {
    font-family: 'Orbitron', sans-serif;
    color: #fff;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.resource-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1.5rem;
    transition: 0.3s;
    text-align: center;
    color: inherit;
    text-decoration: none;
    display: block;
}

.resource-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--glow);
}

.resource-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: block;
}

/* Slider Style */
.slider-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 20px auto;
    overflow: hidden;
    border-radius: 12px;
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 242, 255, 0.2);
}

.slider-wrapper {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.slide {
    min-width: 100%;
}

.slide img {
    width: 100%;
    display: block;
    cursor: pointer;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    border: none;
    padding: 15px;
    cursor: pointer;
    font-size: 20px;
    z-index: 10;
}

.slider-btn.prev { left: 10px; }
.slider-btn.next { right: 10px; }

/* Modal Style */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.9);
    justify-content: center;
    align-items: center;
}

.modal-content {
    max-width: 90%;
    max-height: 90%;
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
}

/* Utilities */
.text-center { text-align: center; }
.mt-2 { margin-top: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.accent-border { border-left-color: var(--accent-color); }
.accent-text { color: var(--accent-color); }
.accent-btn { border-color: var(--accent-color); color: var(--accent-color); }
.accent-btn:hover { background: var(--accent-color); color: #fff; box-shadow: 0 0 15px var(--accent-color); }

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
}