/* Hero Section Styles */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: var(--gradient-hero);
    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%; }
}

/* Floating Geometric Shapes */
.floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--accent-purple), var(--accent-teal));
    opacity: 0.1;
    animation: float 20s infinite linear;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: -5%;
    animation-duration: 25s;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: -5%;
    animation-duration: 20s;
    animation-delay: -5s;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
}

.shape-3 {
    width: 150px;
    height: 150px;
    top: 30%;
    right: 10%;
    animation-duration: 30s;
    animation-delay: -10s;
    background: linear-gradient(45deg, var(--accent-pink), var(--accent-purple));
}

.shape-4 {
    width: 250px;
    height: 250px;
    bottom: 10%;
    left: 20%;
    animation-duration: 18s;
    animation-delay: -15s;
    border-radius: 40% 60% 30% 70% / 60% 30% 70% 40%;
}

@keyframes float {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.1;
    }
    50% {
        transform: translateY(-100px) rotate(180deg);
        opacity: 0.2;
    }
    100% {
        transform: translateY(0) rotate(360deg);
        opacity: 0.1;
    }
}

/* Hero Content */
.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 800px;
    padding: 2rem;
    position: relative;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 2rem;
    line-height: 1.1;
    text-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
}

.title-line {
    display: block;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-purple) 50%, var(--accent-teal) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInUp 1s ease 0.2s both;
}

.title-highlight {
    display: block;
    font-size: 5rem;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-pink), var(--accent-teal));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInUp 1s ease 0.4s both, letterGlow 2s ease 0.6s both;
    position: relative;
}

/* Letter-by-letter glow animation */
.title-highlight.glow-effect {
    animation: none;
}

.title-highlight.glow-effect .letter {
    display: inline-block;
    animation: letterGlow 0.3s ease forwards;
    animation-delay: calc(var(--i) * 0.1s);
    opacity: 0;
}

@keyframes letterGlow {
    0% {
        opacity: 0;
        transform: translateY(20px);
        text-shadow: none;
    }
    50% {
        text-shadow: 0 0 20px var(--accent-purple), 0 0 40px var(--accent-teal);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
        text-shadow: 0 0 10px var(--accent-purple);
    }
}

.hero-tagline {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-weight: 300;
    animation: fadeInUp 1s ease 0.6s both;
}

.hero-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease 0.8s both;
    flex-wrap: wrap;
}

/* Exam Countdown */
.exam-countdown {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    margin-top: 3rem;
    animation: fadeInUp 1s ease 1s both;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.exam-countdown h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.countdown-display {
    font-family: 'JetBrains Mono', monospace;
    font-size: 3rem;
    font-weight: bold;
    color: var(--accent-pink);
    text-shadow: 0 0 20px var(--accent-pink);
    margin-bottom: 1rem;
    animation: pulse 2s ease-in-out infinite;
}

.countdown-note {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-style: italic;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

/* Parallax Effect */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grain" x="0" y="0" width="100" height="100" patternUnits="userSpaceOnUse"><rect width="100" height="100" fill="%23000"/><g opacity="0.1"><circle cx="20" cy="20" r="1" fill="white"/><circle cx="80" cy="40" r="0.5" fill="white"/><circle cx="40" cy="80" r="1.5" fill="white"/></g></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.1;
    z-index: 0;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: bounce 2s infinite;
}

.scroll-indicator::before {
    content: '↓';
    font-size: 2rem;
    color: var(--accent-purple);
    animation: glow 2s ease-in-out infinite alternate;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .title-highlight {
        font-size: 3rem;
    }
    
    .hero-tagline {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .countdown-display {
        font-size: 2rem;
    }
    
    .shape-1, .shape-2, .shape-3, .shape-4 {
        width: 100px;
        height: 100px;
    }
    
    .hero-content {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .title-highlight {
        font-size: 2.5rem;
    }
    
    .hero-tagline {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .exam-countdown {
        padding: 1.5rem;
    }
    
    .countdown-display {
        font-size: 1.5rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 250px;
    }
}