@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

/* Glassmorphism */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Scroll Behavior */
html {
    scroll-behavior: smooth;
}

/* Hide scrollbar but keep functionality */
body {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

body::-webkit-scrollbar {
    display: none;
}

.countdown-text {
    display: inline-block;
    position: relative;
}

.countdown-text span {
    display: inline-block;
    margin: 0 2px;
    color: white;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

@keyframes revealLetter {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-letter {
    animation: revealLetter 0.5s forwards;
}

/* Navbar Styles */
.nav-link {
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    transition: all 0.3s ease;
}

.nav-link::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 9999px;
    background: linear-gradient(45deg, #3b82f6, #8b5cf6);
    opacity: 0;
    transition: all 0.3s ease;
}

.nav-link:hover::before {
    opacity: 0.1;
}

.nav-link.active {
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.1);
}

.nav-link.active::before {
    opacity: 0.1;
}

.nav-link span {
    position: relative;
    z-index: 1;
}

/* Flip Card Styles */
.flip-card {
    perspective: 1000px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
}

.flip-card-back {
    transform: rotateY(180deg);
}