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

.header-scrolled {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(15px);
    padding: 0.5rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.header-hidden {
    transform: translateY(-100%);
}

.glass-card {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    transition: transform 0.4s ease;
}

.glass-card:hover {
    transform: translateY(-10px);
}

.hero-bg {
    animation: zoomInfinite 20s infinite alternate ease-in-out;
}

@keyframes zoomInfinite {
    from { transform: scale(1); }
    to { transform: scale(1.15); }
}

.pulse-animation {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(34, 197, 94, 0); }
    100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.shine-effect {
    position: relative;
    overflow: hidden;
}

.shine-effect::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255,255,255,0.3), transparent);
    transform: rotate(45deg);
    transition: 0.5s;
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { left: -100%; top: -100%; }
    100% { left: 100%; top: 100%; }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

.nav-link {
    font-weight: 600;
    font-size: 1.1rem;
    color: #1e293b;
}