/* 
 * ONYX: Elite Minimalist Luxury Design System
 * Focus: Negative space, champagne gold, obsidian canvas
 */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500&family=Inter:wght@200;300;400&display=swap');

:root {
    --bg: #050505;
    --fg: #F5F5F1;
    --fg-muted: #888880;
    --accent: #D4AF37; /* Champagne Gold */
    --border: rgba(212, 175, 55, 0.2);
    --font-serif: 'Cormorant Garamond', serif;
    --font-sans: 'Inter', sans-serif;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg);
    color: var(--fg);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

#app {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    min-height: 100vh;
    padding: 10vh 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-left: 0.5px solid var(--border);
    border-right: 0.5px solid var(--border);
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 15vh;
}

.restaurant-name {
    font-family: var(--font-serif);
    font-size: 4rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--fg);
    margin-bottom: 1rem;
}

.tagline {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5em;
    color: var(--accent);
}

/* Category */
.category {
    width: 100%;
    margin-bottom: 10vh;
    opacity: 0;
    transform: translateY(20px);
    transition: all 1s var(--ease);
}

.category.visible {
    opacity: 1;
    transform: translateY(0);
}

.category-name {
    font-family: var(--font-serif);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--fg-muted);
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
}

.category-name::before, .category-name::after {
    content: "";
    height: 0.5px;
    background: var(--border);
    flex: 1;
}

/* Menu Items */
.menu-list {
    display: flex;
    flex-direction: column;
    gap: 5rem;
}

.menu-item {
    text-align: center;
}

.item-header {
    margin-bottom: 0.75rem;
}

.item-name {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 400;
    margin-bottom: 0.25rem;
}

.item-price {
    font-size: 0.8rem;
    font-family: var(--font-sans);
    color: var(--accent);
    letter-spacing: 0.1em;
}

.item-description {
    font-size: 0.85rem;
    color: var(--fg-muted);
    font-weight: 300;
    max-width: 280px;
    margin: 0 auto;
    font-style: italic;
}

/* Footer Nav */
.nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    display: flex;
    justify-content: center;
    gap: 3rem;
    background: linear-gradient(to top, var(--bg), transparent);
    z-index: 100;
}

.nav-btn {
    background: none;
    border: none;
    color: var(--fg-muted);
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    cursor: pointer;
    transition: color 0.3s ease;
}

.nav-btn.active {
    color: var(--accent);
}

@media (max-width: 380px) {
    .restaurant-name { font-size: 2rem; }
    .item-name { font-size: 1.5rem; }
    .nav { gap: 1.5rem; }
}

@media (max-width: 768px) {
    #app {
        border: none;
        padding: 8vh 1.5rem;
    }
    
    .restaurant-name {
        font-size: 2.5rem;
    }
}