:root {
    /* Color Palette - Premium & Appetizing */
    --color-primary: #D9381E;
    /* Hot Pot Red */
    --color-primary-dark: #A6210E;
    --color-secondary: #F2A900;
    /* Spicy Orange */
    --color-accent: #5D4037;
    /* Deep Brown */
    --color-background: #FAFAFA;
    /* Off-white background */
    --color-surface: #FFFFFF;
    /* White card surface */
    --color-text: #333333;
    --color-text-light: #666666;
    --color-border: #EEEEEE;

    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-heading: 'Playfair Display', serif;
    /* For premium feel headings */

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 4rem;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 12px;
    --radius-lg: 24px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
}

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

body {
    font-family: --font-main;
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: var(--space-md);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

section {
    padding: var(--space-xl) 0;
}

/* Header & Nav */
header {
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.brand {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    gap: var(--space-md);
}

.nav-links a {
    font-weight: 500;
    color: var(--color-text);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-primary);
}

/* Home Page */
.hero {
    text-align: center;
    padding: 6rem 0;
    background: linear-gradient(135deg, #FFF5F5 0%, #FFF 100%);
    border-bottom: 1px solid var(--color-border);
}

.hero h1 {
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-lg);
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

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

.project-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-medium);
    border: 1px solid transparent;
}

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

.card-image {
    height: 200px;
    background-color: #eee;
    /* Placeholder color */
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
}

.card-content {
    padding: var(--space-lg);
}

.card-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: #FFF5F5;
    color: var(--color-primary);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

/* Hot Pot Section Specifics */
.hotpot-header {
    background-color: #8B0000;
    /* Darker red for variety */
    color: white;
}

.hotpot-header .brand,
.hotpot-header .nav-links a {
    color: white;
}

.hotpot-header .nav-links a:hover {
    color: var(--color-secondary);
}

.sauce-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-md);
}

.sauce-card {
    background: white;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--color-primary);
}

.sauce-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.ingredient-list {
    margin-top: var(--space-sm);
    font-size: 0.95rem;
    color: var(--color-text-light);
}

.ingredient-list li {
    margin-bottom: 0.25rem;
    padding-left: 1rem;
    position: relative;
}

.ingredient-list li::before {
    content: "•";
    color: var(--color-secondary);
    position: absolute;
    left: 0;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .navbar {
        flex-direction: column;
        height: auto;
        padding: 1rem 0;
    }

    .nav-links {
        margin-top: 1rem;
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .hero {
        padding: 4rem 0;
    }
}

@media (max-width: 480px) {
    :root {
        --space-md: 1rem;
        --space-lg: 1.5rem;
        --space-xl: 3rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .container {
        padding: 0 1rem;
    }

    .nav-links {
        font-size: 0.9rem;
    }

    .project-grid,
    .sauce-grid {
        grid-template-columns: 1fr;
        /* Force single column on very small screens */
    }
}