:root {
    /* Colors */
    --primary-color: #007BFF;
    --secondary-color: #28A745;
    --accent-color: #FFC107; /* button_color_hex */
    --background-color: #F0F2F5;
    --footer-bg-color: #1A202C;
    --text-color-dark: #333;
    --text-color-light: #f9f9f9;
    --glass-border-color: rgba(255, 255, 255, 0.3);

    /* Section Backgrounds */
    --section-bg-1: #FFFFFF;
    --section-bg-2: #E2E8F0;
    --section-bg-3: #F8FAFC;
    --section-bg-4: #EBF4FF;
    --section-bg-5: #D9E3F0;

    /* Typography */
    --font-family-body: 'Prompt', sans-serif; /* Modern, readable sans-serif */
    --font-family-heading: 'Kanit', sans-serif; /* Distinctive display font */
    --base-font-size: 16px;
    --line-height-body: 1.7;
    --line-height-heading: 1.2;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;

    /* Border Radius */
    --border-radius-sm: 0.375rem; /* 6px */
    --border-radius-md: 0.75rem; /* 12px */
    --border-radius-lg: 1.5rem; /* 24px */

    /* Shadows */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-body);
    font-size: var(--base-font-size);
    line-height: var(--line-height-body);
    color: var(--text-color-dark);
    background-color: var(--background-color);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    line-height: var(--line-height-heading);
    color: var(--primary-color);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.05em;
}

h2 {
    font-size: 2.25rem;
    font-weight: 600;
}

h3 {
    font-size: 1.75rem;
    font-weight: 600;
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
}

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

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Header Styles - Glassmorphism */
.header {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border-color);
    box-shadow: var(--shadow-glass);
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .logo {
    font-family: var(--font-family-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color); /* Lighter color for contrast */
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.header .nav-menu {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.header .nav-menu a {
    color: var(--text-color-dark);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    position: relative;
    overflow: hidden;
}

.header .nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent-color);
    transform: translateX(-100%);
    transition: transform 0.3s ease-out;
}

.header .nav-menu a:hover::before {
    transform: translateX(0);
}

.header .nav-icons {
    display: flex;
    gap: var(--spacing-md);
}

.header .nav-icons .icon-btn {
    background: none;
    border: none;
    color: var(--text-color-dark);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.3s ease, transform 0.3s ease;
}

.header .nav-icons .icon-btn:hover {
    color: var(--primary-color);
    transform: scale(1.1);
}


/* Buttons - Modern with cut edges */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-family-body);
    font-size: var(--base-font-size);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease-out;
    color: var(--text-color-dark); /* Default text color for buttons */

    /* Modern cut edge effect */
    clip-path: polygon(10% 0%, 100% 0%, 90% 100%, 0% 100%);
}

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

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

.btn-accent {
    background-color: var(--accent-color);
    color: var(--text-color-dark);
    box-shadow: var(--shadow-md);
}

.btn-accent:hover {
    background-color: #FFD700; /* Slightly brighter accent */
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Hover effect for buttons - glow and slight expansion */
.btn:hover {
    filter: brightness(1.1);
    transform: scale(1.02);
}


/* Section Backgrounds */
.section-bg-1 {
    background-color: var(--section-bg-1);
    padding: var(--spacing-xl) 0;
}

.section-bg-2 {
    background-color: var(--section-bg-2);
    padding: var(--spacing-xl) 0;
}

.section-bg-3 {
    background-color: var(--section-bg-3);
    padding: var(--spacing-xl) 0;
}

.section-bg-4 {
    background-color: var(--section-bg-4);
    padding: var(--spacing-xl) 0;
}

.section-bg-5 {
    background-color: var(--section-bg-5);
    padding: var(--spacing-xl) 0;
}

/* Product Card Style */
.product-card {
    background-color: var(--section-bg-1);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg); /* Raised shadow */
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 25px -5px rgba(0, 0, 0, 0.15), 0 6px 10px -3px rgba(0, 0, 0, 0.08);
}

.product-card img {
    width: 100%;
    height: 200px; /* Fixed height for cover image */
    object-fit: cover;
    display: block;
}

.product-card-content {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.product-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: var(--spacing-xs);
    color: var(--text-color-dark);
}

.product-card .price {
    font-family: var(--font-family-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.product-card .btn-add-to-cart {
    width: 100%;
    padding: var(--spacing-sm);
    font-size: 1.1rem;
    background-color: var(--accent-color);
    color: var(--text-color-dark);
    clip-path: polygon(5% 0%, 100% 0%, 95% 100%, 0% 100%); /* Slightly different cut for emphasis */
}

.product-card .btn-add-to-cart:hover {
    background-color: #FFD700;
    transform: translateY(-2px);
}

/* Footer Styles */
.footer {
    background-color: var(--footer-bg-color);
    color: var(--text-color-light);
    padding: var(--spacing-xl) var(--spacing-lg);
    font-size: 0.9rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h4 {
    color: var(--accent-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-section ul li a {
    color: var(--text-color-light);
    opacity: 0.8;
}

.footer-section ul li a:hover {
    color: var(--accent-color);
    opacity: 1;
    text-decoration: none;
}

.footer-bottom {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* Utility classes for icons (assuming Font Awesome/Heroicons) */
.icon {
    display: inline-block;
    vertical-align: middle;
    margin-right: var(--spacing-xs);
}

/* Responsive Design */
@media (max-width: 1024px) {
    h1 {
        font-size: 2.5rem;
    }
    h2 {
        font-size: 1.8rem;
    }
    .header .nav-menu {
        gap: var(--spacing-md);
    }
    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.5rem;
    }
    .header {
        flex-direction: column;
        padding: var(--spacing-sm);
    }
    .header .nav-menu {
        margin-top: var(--spacing-sm);
        flex-wrap: wrap;
        justify-content: center;
    }
    .header .nav-icons {
        margin-top: var(--spacing-sm);
    }
    .btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.95rem;
    }
    .product-card-content {
        padding: var(--spacing-sm);
    }
    .product-card h3 {
        font-size: 1.1rem;
    }
    .product-card .price {
        font-size: 1.3rem;
    }
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-section ul {
        margin-bottom: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }
    h2 {
        font-size: 1.3rem;
    }
    .header .logo {
        font-size: 1.5rem;
    }
    .header .nav-menu a {
        font-size: 0.9rem;
        padding: var(--spacing-xs);
    }
    .header .nav-icons .icon-btn {
        font-size: 1rem;
    }
    .btn {
        font-size: 0.9rem;
        padding: 8px 12px;
    }
    .product-card img {
        height: 150px;
    }
}

/* Keyframes for subtle animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Example of using animation (can be applied with JS on scroll) */
.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
    opacity: 0; /* Hidden by default */
}


/* Cookie Banner Additional Styles for Tailwind */
.cookie-banner-hover-effect:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

@media (prefers-reduced-motion: reduce) {
    .cookie-banner-hover-effect:hover {
        transform: none;
    }
}