/* ========================================
   KAHRAMANA BAGHDAD - BRAND IDENTITY CSS
   Authentic Iraqi Fine Dining
   ======================================== */

/* ==================== BRAND COLORS ==================== */
:root {
    /* Official Brand Colors */
    --color-primary: #662E14;      /* Background - Warm Brown */
    --color-text: #ffddad;         /* Primary Text - Light Beige */
    --color-highlight: #e0b366;    /* CTA & Accents - Gold */
    
    /* Derived Colors */
    --color-primary-dark: #4a2010;
    --color-primary-light: #8a3d1a;
    --color-text-muted: rgba(255, 221, 173, 0.7);
    --color-text-dim: rgba(255, 221, 173, 0.5);
    --color-highlight-dark: #c9a055;
    --color-highlight-light: #f0c478;
    
    /* UI Colors */
    --color-success: #4CAF50;
    --color-error: #F44336;
    --color-warning: #FF9800;
    --color-info: #2196F3;
    
    /* Backgrounds */
    --bg-card: rgba(102, 46, 20, 0.9);
    --bg-overlay: rgba(0, 0, 0, 0.5);
    --bg-glass: rgba(102, 46, 20, 0.85);
    
    /* Borders & Shadows */
    --border-color: rgba(224, 179, 102, 0.3);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-gold: 0 4px 20px rgba(224, 179, 102, 0.4);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Typography */
    --font-family: 'Cairo', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 3rem;
    
    /* Z-Index */
    --z-base: 1;
    --z-nav: 100;
    --z-drawer: 200;
    --z-modal: 300;
    --z-toast: 400;
}

/* ==================== RESET & BASE ==================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-primary);
    overflow-x: hidden;
}

/* RTL Support */
body[dir="rtl"] {
    text-align: right;
}

body[dir="ltr"] {
    text-align: left;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-highlight);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ==================== UTILITY CLASSES ==================== */
.hidden {
    display: none !important;
}

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

.text-highlight {
    color: var(--color-highlight);
}

.text-muted {
    color: var(--color-text-muted);
}

/* ==================== BUTTONS ==================== */
.btn-primary {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-highlight);
    color: var(--color-primary);
    font-weight: 700;
    font-size: var(--font-size-base);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-gold);
    transition: all var(--transition-fast);
    border: none;
}

.btn-primary:hover {
    background: var(--color-highlight-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(224, 179, 102, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background: rgba(224, 179, 102, 0.1);
    border-color: var(--color-highlight);
    color: var(--color-highlight);
}

.btn-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(224, 179, 102, 0.1);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    position: relative;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: rgba(224, 179, 102, 0.2);
    border-color: var(--color-highlight);
}

/* ==================== NAVIGATION - DESKTOP ==================== */
.nav-desktop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.nav-logo .logo-img {
    height: 50px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: var(--color-text);
    font-weight: 600;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a:hover {
    color: var(--color-highlight);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-highlight);
    transition: width var(--transition-fast);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.cart-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--color-highlight);
    color: var(--color-primary);
    font-size: var(--font-size-xs);
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

body[dir="rtl"] .cart-badge {
    right: auto;
    left: -4px;
}

/* ==================== NAVIGATION - MOBILE ==================== */
.nav-mobile {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    justify-content: space-around;
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.3);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-xs);
    color: var(--color-text-muted);
    position: relative;
    transition: color var(--transition-fast);
}

.nav-item:hover,
.nav-item.active {
    color: var(--color-highlight);
}

.nav-icon {
    font-size: var(--font-size-lg);
}

.nav-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('/assets/hero-bg.jpg') center/cover no-repeat;
    opacity: 0.2;
    z-index: 0;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    z-index: 1;
    position: relative;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-highlight);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
}

/* ==================== SECTION TITLES ==================== */
.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-highlight);
    text-align: center;
}

/* ==================== CARD STYLES ==================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-highlight);
}

/* ==================== MENU GRID ==================== */
.menu-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-md);
}

.menu-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.menu-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-highlight);
}

.menu-item-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--color-primary-dark);
}

.menu-item-content {
    padding: var(--spacing-md);
}

.menu-item-name {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-highlight);
}

.menu-item-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.menu-item-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
}

.menu-item-price {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-highlight);
}

.menu-item-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-highlight);
    color: var(--color-primary);
    font-weight: 700;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.menu-item-btn:hover {
    background: var(--color-highlight-light);
    transform: scale(1.05);
}

/* ==================== FORMS ==================== */
input, textarea, select {
    width: 100%;
    padding: var(--spacing-sm);
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: inherit;
    font-size: var(--font-size-base);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--color-highlight);
    background: rgba(0, 0, 0, 0.3);
}

::placeholder {
    color: var(--color-text-dim);
}

/* ==================== RESPONSIVE ==================== */
@media (min-width: 768px) {
    .nav-desktop {
        display: block;
    }
    
    .nav-mobile {
        display: none !important;
    }
}

@media (max-width: 767px) {
    :root {
        --spacing-xl: 2rem;
    }
    
    .nav-desktop {
        display: none;
    }
    
    .nav-mobile {
        display: flex;
    }
    
    body {
        padding-bottom: 70px;
    }
    
    .menu-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
}

/* ==================== LOADING & ANIMATIONS ==================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

.slide-up {
    animation: slideUp 0.6s ease;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(224, 179, 102, 0.3);
    border-top-color: var(--color-highlight);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}