/* ===================================
   GER-VIN Foodblog - Main Styles
   =================================== */

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Base Colors - Dark Mode */
    --primary-color: #d32f2f;
    --secondary-color: #ffd700;
    --dark-color: #ffffff;
    --light-color: #1a1a1a;
    --text-color: #ffffff;
    --text-light: #b0b0b0;
    --white: #0a0a0a;
    --card-bg: #1a1a1a;
    --border-color: #333;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Typography */
    --font-primary: 'Roboto', sans-serif;
    --font-heading: 'Playfair Display', serif;
    
    /* Transitions */
    --transition: all 0.3s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
}

body {
    font-family: var(--font-primary);
    color: var(--text-color);
    line-height: 1.6;
    background-color: #0a0a0a;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }

p {
    margin-bottom: var(--spacing-sm);
}

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

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

/* ===================================
   Navigation
   =================================== */

.navbar {
    background-color: #1a1a1a;
    box-shadow: 0 2px 4px rgba(0,0,0,0.5);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h1 {
    font-size: 2rem;
    color: var(--primary-color);
    margin: 0;
    letter-spacing: 2px;
}

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

.nav-menu a {
    color: #ffffff;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
    background-color: rgba(211, 47, 47, 0.2);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #ffffff;
    transition: var(--transition);
}

/* ===================================
   Hero Banner
   =================================== */

.hero-banner {
    position: relative;
    height: 600px;
    background: linear-gradient(135deg, #1a1a1a 0%, #d32f2f 50%, #ffd700 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/banner.jpg.png') center/cover no-repeat;
    opacity: 0.9;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.5));
}

.banner-content {
    position: relative;
    z-index: 2;
    color: #ffffff;
    max-width: 800px;
    padding: var(--spacing-md);
}

.banner-title {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    animation: fadeInUp 1s ease;
}

.banner-subtitle {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
    animation: fadeInUp 1s ease 0.2s backwards;
}

/* ===================================
   Buttons
   =================================== */

.btn-primary,
.btn-secondary,
.btn-link {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: #b71c1c;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-link {
    background: none;
    color: var(--primary-color);
    padding: 0;
    font-weight: 600;
}

.btn-link:hover {
    color: #b71c1c;
}

/* ===================================
   Welcome Section
   =================================== */

.welcome-section {
    padding: var(--spacing-xl) 0;
    background-color: #0a0a0a;
}

.welcome-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.welcome-content h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.lead {
    font-size: 1.25rem;
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
}

.welcome-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-heading);
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===================================
   Categories Section
   =================================== */

.categories-section {
    padding: var(--spacing-xl) 0;
    background-color: #0a0a0a;
}

.section-title {
    text-align: center;
    color: #ffffff;
    margin-bottom: var(--spacing-lg);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.category-card {
    background-color: #1a1a1a;
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0,0,0,0.5);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.category-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
}

.category-card h3 {
    color: #ffffff;
    margin-bottom: var(--spacing-sm);
}

.category-card p {
    color: #b0b0b0;
    margin-bottom: var(--spacing-md);
}

/* ===================================
   Recipes Section
   =================================== */

.recipes-section {
    padding: var(--spacing-xl) 0;
    background-color: #0a0a0a;
}

.recipes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.recipe-card {
    background-color: #1a1a1a;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0,0,0,0.5);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.recipe-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.recipe-image {
    position: relative;
    height: 250px;
    background: linear-gradient(135deg, #d32f2f, #ffd700);
    overflow: hidden;
}

.recipe-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.recipe-card:hover .recipe-image img {
    transform: scale(1.1);
}

.recipe-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--white);
    text-transform: uppercase;
}

.recipe-badge.german {
    background-color: #1a1a1a;
}

.recipe-badge.vietnamese {
    background-color: #d32f2f;
}

.recipe-badge.fusion {
    background-color: #ffd700;
    color: var(--dark-color);
}

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

.recipe-content h3 {
    color: #ffffff;
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.recipe-description {
    color: #b0b0b0;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.recipe-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: #b0b0b0;
    font-size: 0.9rem;
}

/* ===================================
   Newsletter Section
   =================================== */

.newsletter-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.newsletter-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-content h2 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background-color: #1a1a1a;
    color: #ffffff;
}

.newsletter-form input::placeholder {
    color: #666;
}

.newsletter-form button {
    white-space: nowrap;
}

/* ===================================
   Footer
   =================================== */

.footer {
    background-color: #1a1a1a;
    color: #ffffff;
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3,
.footer-section h4 {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--secondary-color);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    font-size: 1.5rem;
}

.social-links a:hover {
    transform: scale(1.2);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* ===================================
   Utility Classes
   =================================== */

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

/* ===================================
   Animations
   =================================== */

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

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: #1a1a1a;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 8px 16px rgba(0,0,0,0.5);
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .banner-title {
        font-size: 2.5rem;
    }
    
    .banner-subtitle {
        font-size: 1.2rem;
    }
    
    .welcome-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .categories-grid,
    .recipes-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-banner {
        height: 400px;
    }
    
    .banner-title {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}