:root {
    /* Colors */
    --primary-color: #DC6B19;
    --secondary-color: #F0A500;
    --background-color: #FFFDF7;
    --footer-bg-color: #1B3A4B;
    --button-color: #F0A500;
    --text-color-dark: #1B3A4B;
    --text-color-light: #FFFDF7;
    --accent-color: #DC6B19; /* Using primary as accent for consistency */

    /* Section Backgrounds */
    --section-bg-1: #FFFDF7;
    --section-bg-2: #FFF0D9;
    --section-bg-3: #FEF3C7;
    --section-bg-4: #FFEDD5;
    --section-bg-5: #FBD38D;
    --section-bg-6: #FDE68A;

    /* Fonts */
    --font-family-thai: 'Prompt', sans-serif;
    --font-family-latin: 'Lato', sans-serif;
    --font-family-base: var(--font-family-latin); /* Default to Latin for general elements */
    --font-family-heading: var(--font-family-thai); /* Use Thai font for headings */

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

    /* Border Radius */
    --border-radius-sm: 0.75rem;
    --border-radius-md: 1.5rem;
    --border-radius-lg: 2rem;

    /* Shadows (Claymorphism inspired) */
    --clay-shadow-1: 5px 5px 10px rgba(0, 0, 0, 0.1), -5px -5px 10px rgba(255, 255, 255, 0.7);
    --clay-shadow-2: 8px 8px 15px rgba(0, 0, 0, 0.15), -8px -8px 15px rgba(255, 255, 255, 0.8);
    --clay-shadow-inset: inset 3px 3px 7px rgba(0, 0, 0, 0.1), inset -3px -3px 7px rgba(255, 255, 255, 0.7);

    /* Transitions */
    --transition-speed: 0.3s;
    --transition-timing: ease-in-out;
}

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

body {
    font-family: var(--font-family-base);
    background-color: var(--background-color);
    color: var(--text-color-dark);
    line-height: 1.7;
    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);
    color: var(--text-color-dark);
    line-height: 1.3;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2.8rem;
    font-weight: 600;
}

h3 {
    font-size: 2.2rem;
    font-weight: 600;
}

h4 {
    font-size: 1.8rem;
    font-weight: 500;
}

p {
    font-size: 1.15rem;
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-timing);
}

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

/* Utility Classes for Layout and Spacing (complementing Tailwind) */
.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.section-padding {
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
}

/* Header Styles */
.header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to right, var(--background-color), var(--section-bg-2));
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-speed) var(--transition-timing);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--spacing-md);
}

.header-logo {
    font-family: var(--font-family-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: -0.05em;
}

.header-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: var(--spacing-lg);
}

.header-nav a {
    font-family: var(--font-family-base);
    font-size: 1.1rem;
    color: var(--text-color-dark);
    font-weight: 500;
    padding: var(--spacing-xs) 0;
    position: relative;
}

.header-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--primary-color);
    transition: width var(--transition-speed) var(--transition-timing);
}

.header-nav a:hover::after,
.header-nav a.active::after {
    width: 100%;
}

/* Button Styles (Claymorphism inspired) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius-md);
    font-family: var(--font-family-base);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: all var(--transition-speed) var(--transition-timing);
    box-shadow: var(--clay-shadow-1);
    color: var(--text-color-dark); /* Default text color for buttons */
    background-color: var(--button-color); /* Base color */
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--text-color-light);
    box-shadow: var(--clay-shadow-1);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--text-color-dark);
    box-shadow: var(--clay-shadow-1);
}

.btn:hover {
    box-shadow: var(--clay-shadow-2);
    transform: translateY(-2px);
    background: linear-gradient(145deg, var(--button-color) 0%, var(--secondary-color) 100%);
}

.btn-primary:hover {
    background: linear-gradient(145deg, var(--primary-color) 0%, #E68A40 100%);
}

.btn-secondary:hover {
    background: linear-gradient(145deg, var(--secondary-color) 0%, #FFCC66 100%);
}

.btn:active {
    box-shadow: var(--clay-shadow-inset);
    transform: translateY(1px);
}

/* Card Styles (Claymorphism inspired) */
.card {
    background-color: var(--background-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--clay-shadow-1);
    transition: all var(--transition-speed) var(--transition-timing);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--clay-shadow-2);
}

/* Section Backgrounds */
.section-bg-1 { background-color: var(--section-bg-1); }
.section-bg-2 { background-color: var(--section-bg-2); }
.section-bg-3 { background-color: var(--section-bg-3); }
.section-bg-4 { background-color: var(--section-bg-4); }
.section-bg-5 { background-color: var(--section-bg-5); }
.section-bg-6 { background-color: var(--section-bg-6); }

/* Footer Styles */
.footer {
    background-color: var(--footer-bg-color);
    color: var(--text-color-light);
    padding: var(--spacing-xl) 0;
    font-family: var(--font-family-base);
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
}

.footer-nav a {
    color: var(--section-bg-5); /* Golden accent */
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    padding-bottom: 5px;
}

.footer-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--section-bg-5);
    transition: width var(--transition-speed) var(--transition-timing);
}

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

.footer-copyright {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-top: var(--spacing-md);
}

/* Form Elements (clay-inspired) */
input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border: none;
    border-radius: var(--border-radius-sm);
    background-color: var(--background-color);
    box-shadow: var(--clay-shadow-inset);
    font-family: var(--font-family-base);
    font-size: 1rem;
    color: var(--text-color-dark);
    transition: all var(--transition-speed) var(--transition-timing);
    -webkit-appearance: none; /* Remove default browser styling */
    -moz-appearance: none;
    appearance: none;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
    outline: none;
    box-shadow: inset 2px 2px 5px rgba(0, 0, 0, 0.15), inset -2px -2px 5px rgba(255, 255, 255, 0.9), 0 0 0 3px var(--primary-color);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

/* Subtle Animations (Example: Fade-in on scroll, requires JS or Intersection Observer) */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s var(--transition-timing), transform 0.8s var(--transition-timing);
}

.fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Media Queries for Responsiveness */
@media (max-width: 1024px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2.4rem; }
    h3 { font-size: 1.9rem; }
    p { font-size: 1.1rem; }

    .header-nav ul {
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.6rem; }
    p { font-size: 1rem; }

    .section-padding {
        padding-top: var(--spacing-lg);
        padding-bottom: var(--spacing-lg);
    }

    .header-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .header-nav ul {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .footer-nav ul {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.4rem; }

    .btn {
        width: 100%;
        padding: var(--spacing-md);
    }
}


/* 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;
    }
}