:root {
    --bg-dark: #0f1015;
    --bg-card: rgba(255, 255, 255, 0.03);
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --accent-pink: #f43f5e;
    --accent-purple: #8b5cf6;
    --accent-blue: #3b82f6;
    --glass-border: rgba(255, 255, 255, 0.08);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, .logo {
    font-family: 'Outfit', sans-serif;
}

/* Navbar & Logo matching the image */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 16, 21, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: 2rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    letter-spacing: -1px;
}

.logo .crash {
    color: #fff;
    margin-right: 4px;
}

.logo .course-bg {
    background: linear-gradient(135deg, #f43f5e 0%, #a855f7 100%);
    padding: 0 8px;
    border-radius: 4px;
    color: #fff;
    transform: skew(-10deg);
    display: inline-block;
    margin-right: 4px;
}

.logo .tech {
    color: #fff;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
    color: white;
    box-shadow: 0 4px 15px rgba(244, 63, 94, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(244, 63, 94, 0.5);
    color: white;
}

.btn-primary.large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 0 5%;
}

.hero-content {
    z-index: 10;
    max-width: 800px;
}

.hero-title {
    font-size: clamp(3rem, 5vw, 5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

/* Background Orbs */
.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: 1;
    opacity: 0.5;
    animation: float 10s infinite ease-in-out alternate;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--accent-purple);
    top: 20%;
    left: 10%;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: var(--accent-pink);
    bottom: 20%;
    right: 10%;
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translate(0, 0); }
    100% { transform: translate(30px, -50px); }
}

/* Sections & Grid */
.section {
    padding: 100px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease;
    text-align: center;
}

.glass-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.1);
    border-color: rgba(255,255,255,0.2);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.glass-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.glass-card p {
    color: var(--text-secondary);
}

/* Banner CTA */
.banner {
    background: linear-gradient(135deg, rgba(244, 63, 94, 0.1), rgba(139, 92, 246, 0.1));
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    text-align: center;
    padding: 80px 5%;
    margin-top: 50px;
}

.banner h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.banner p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.2rem;
}

/* Footer */
.footer {
    padding: 50px 5%;
    text-align: center;
    border-top: 1px solid var(--glass-border);
}

.footer-content p {
    color: var(--text-secondary);
    margin-top: 1rem;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .orb-1, .orb-2 {
        display: none;
    }
}