/* GALAXY FRAPPE - MODERN NEON GALAXY DESIGN SYSTEM */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Poppins:wght@300;400;600&display=swap');

:root {
    --space-black: #050505;
    --nebula-purple: #6a1b9a;
    --electric-blue: #00e5ff;
    --hot-pink: #ff4081;
    --stardust: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --neon-glow: 0 0 15px var(--electric-blue);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: var(--space-black);
    color: var(--stardust);
    overflow-x: hidden;
    min-height: 100vh;
}

/* GALAXY BACKGROUND ANIMATION */
.galaxy-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at center, #1a1a2e 0%, #050505 100%);
    overflow: hidden;
}

.stars {
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    opacity: 0.5;
    animation: twinkle 3s infinite ease-in-out;
}

@keyframes twinkle {

    0%,
    100% {
        opacity: 0.3;
        transform: scale(1);
    }

    50% {
        opacity: 1;
        transform: scale(1.5);
    }
}

/* HEADER & BRANDING */
header {
    padding: 2rem 1rem;
    text-align: center;
    background: linear-gradient(to bottom, rgba(106, 27, 154, 0.2), transparent);
}

.brand-logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 4px;
    background: linear-gradient(45deg, var(--electric-blue), var(--hot-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 10px rgba(0, 229, 255, 0.5));
}

.tagline {
    font-size: 0.9rem;
    opacity: 0.8;
    letter-spacing: 2px;
    margin-top: 0.5rem;
    color: var(--electric-blue);
}

/* CATEGORY SELECTOR */
.category-nav {
    display: flex;
    overflow-x: auto;
    gap: 1rem;
    padding: 1rem;
    scrollbar-width: none;
    justify-content: center;
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
}

.category-btn {
    padding: 0.6rem 1.5rem;
    border-radius: 2rem;
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    color: white;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.category-btn.active {
    background: var(--electric-blue);
    color: var(--space-black);
    box-shadow: var(--neon-glow);
    border-color: var(--electric-blue);
}

/* MENU GRID */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1.5rem;
    padding: 1.5rem;
}

.product-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    padding: 1rem;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.product-card:hover {
    transform: translateY(-5px);
    border-color: var(--hot-pink);
    box-shadow: 0 0 20px rgba(255, 64, 129, 0.3);
}

.product-image {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 1rem;
    object-fit: cover;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.product-name {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.product-price {
    color: var(--electric-blue);
    font-weight: 700;
    font-size: 1.1rem;
}

/* BUTTONS */
.btn-order {
    margin-top: 1rem;
    width: 100%;
    padding: 0.6rem;
    border-radius: 0.8rem;
    border: none;
    background: linear-gradient(45deg, var(--nebula-purple), var(--hot-pink));
    color: white;
    font-weight: 700;
    cursor: pointer;
}

/* RESPONSIVE */
@media (max-width: 480px) {
    .menu-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        padding: 1rem;
    }

    .brand-logo {
        font-size: 1.8rem;
    }
}