/* Global Variables */
:root {
    --bg-color: #000000;
    --text-color: #ffffff;
    --gold-primary: #FFD700;
    --gold-secondary: #DAA520;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 215, 0, 0.3);
    --glow-shadow: 0 0 15px rgba(255, 215, 0, 0.4);
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Roboto', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--gold-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Utility Classes */
.text-gold {
    background: linear-gradient(45deg, var(--gold-primary), var(--gold-secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glow-border {
    border: 1px solid var(--glass-border);
    box-shadow: var(--glow-shadow);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 20px;
}

.reg-form option {
    background-color: #000;
    color: #fff;
}

.text-center {
    text-align: center;
}

/* Animations */
@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(0px);
    }
}

@keyframes glowPulse {
    0% {
        box-shadow: 0 0 5px rgba(255, 215, 0, 0.2);
    }

    50% {
        box-shadow: 0 0 20px rgba(255, 215, 0, 0.6);
    }

    100% {
        box-shadow: 0 0 5px rgba(255, 215, 0, 0.2);
    }
}

.float-anim {
    animation: float 4s ease-in-out infinite;
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

.logo img {
    height: 50px;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    font-size: 1rem;
    font-weight: bold;
    color: var(--text-color);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--gold-primary);
    transition: width 0.3s;
}

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

.nav-links a:hover {
    color: var(--gold-primary);
    text-shadow: 0 0 10px var(--gold-primary);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    padding-top: 80px;
    /* For fixed nav */
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at center, #1a1a00 0%, #000000 100%);
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.hero-logo-large {
    width: 150px;
    margin-bottom: 20px;
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 0 15px var(--gold-primary));
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 10px;
    background: linear-gradient(to right, #fff, #ffd700, #fff);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: glowPulse 3s infinite;
}

.hero h3 {
    font-size: 1.2rem;
    color: #cccccc;
    font-family: var(--font-body);
    margin-bottom: 40px;
    letter-spacing: 1px;
}

.cta-button {
    padding: 15px 40px;
    font-size: 1.2rem;
    color: #000;
    background: linear-gradient(45deg, var(--gold-primary), var(--gold-secondary));
    border: none;
    border-radius: 30px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
    transition: transform 0.3s, box-shadow 0.3s;
    text-transform: uppercase;
    font-family: var(--font-heading);
}

.cta-button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 40px rgba(255, 215, 0, 0.8);
}

/* Footer */
footer {
    padding: 20px;
    text-align: center;
    border-top: 2px solid var(--gold-primary);
    background: black;
    margin-top: 50px;
}

.social-icons a {
    margin: 0 10px;
    font-size: 1.5rem;
    color: var(--gold-primary);
}

.social-icons a:hover {
    color: white;
    text-shadow: 0 0 10px white;
}

.hamburger {
    display: none;
    font-size: 2rem;
    color: var(--gold-primary);
    cursor: pointer;
}

/* Testimonials */
.testimonials-section {
    padding: 100px 20px;
    background: linear-gradient(180deg, #000 0%, #0a0a00 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 50px auto 0;
}

.testimonial-card {
    padding: 30px;
    position: relative;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    transition: 0.3s;
}

.testimonial-card:hover {
    border-color: var(--gold-primary);
    transform: translateY(-10px);
    box-shadow: var(--glow-shadow);
}

.testimonial-card .quote-icon {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2rem;
    color: rgba(255, 215, 0, 0.1);
}

.testimonial-card .student-info {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
}

.testimonial-card .rating {
    color: var(--gold-primary);
    margin-bottom: 15px;
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        padding: 15px 25px;
    }

    .hamburger {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.95);
        padding: 20px;
        text-align: center;
        border-bottom: 2px solid var(--gold-primary);
        gap: 20px;
    }

    .nav-links.active {
        display: flex;
    }

    .hero h1 {
        font-size: 2rem;
    }
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}