:root {
    /* Colors */
    --primary-color: #1a2c38;
    --secondary-color: #8cbecf;
    --accent-color: #00b2b2;
    --background-color: #0f161b;
    --footer-bg-color: #080c0f;
    --text-color: #e0e0e0;
    --heading-color: #f0f0f0;
    --border-color: rgba(140, 190, 207, 0.3);

    /* Section Backgrounds */
    --section-bg-1: #1a2c38;
    --section-bg-2: #0f161b;
    --section-bg-3: #2c3e50;
    --section-bg-4: #0d1318;

    /* Typography */
    --font-family-base: 'Kanit', sans-serif;
    --font-family-heading: 'Prompt', sans-serif;
    --font-size-base: 1rem;
    --line-height-base: 1.7;
    --h1-font-size: 3.5rem;
    --h2-font-size: 2.5rem;
    --h3-font-size: 1.8rem;

    /* Spacing */
    --spacing-unit: 1rem;
    --section-padding: 6rem 0;

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

    /* Shadows */
    --shadow-dark: 0 10px 30px rgba(0, 0, 0, 0.4);
    --shadow-glass: 0 4px 6px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.08);

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    color: var(--heading-color);
    line-height: 1.2;
    margin-top: 0;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

h1 {
    font-size: var(--h1-font-size);
    letter-spacing: -0.03em;
    font-weight: 700;
}

h2 {
    font-size: var(--h2-font-size);
    letter-spacing: -0.02em;
}

h3 {
    font-size: var(--h3-font-size);
}

p {
    margin-bottom: 1.5rem;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-ease),
                text-shadow var(--transition-speed) var(--transition-ease);
}

a:hover {
    color: var(--accent-color);
    text-shadow: 0 0 8px rgba(0, 178, 178, 0.4);
}

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

ul, ol {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

/* Utilities (to complement Tailwind) */
.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-family-base);
    font-size: 1.1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    border: none;
    transition: all var(--transition-speed) var(--transition-ease);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--background-color);
    box-shadow: 0 0 15px rgba(0, 178, 178, 0.3);
    border: 1px solid var(--accent-color);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--accent-color);
    box-shadow: 0 0 25px rgba(0, 178, 178, 0.6);
    transform: translateY(-2px);
    border-color: var(--accent-color);
}

.btn-secondary {
    background-color: transparent;
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
    box-shadow: 0 0 10px rgba(140, 190, 207, 0.2);
}

.btn-secondary:hover {
    background-color: rgba(140, 190, 207, 0.1);
    color: var(--accent-color);
    border-color: var(--accent-color);
    box-shadow: 0 0 20px rgba(0, 178, 178, 0.4);
    transform: translateY(-2px);
}

/* Glassmorphism Card */
.card-glass {
    background: rgba(255, 255, 255, 0.08); /* Lighter for glass effect */
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 2rem;
    transition: transform var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease);
}

.card-glass:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2), 0 3px 6px rgba(0, 0, 0, 0.15);
}

/* Sections */
.section {
    padding: var(--section-padding);
    position: relative;
    z-index: 1;
}

.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);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    font-family: var(--font-family-base);
    font-size: 1rem;
    transition: border-color var(--transition-speed) var(--transition-ease),
                box-shadow var(--transition-speed) var(--transition-ease);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(140, 190, 207, 0.3);
}

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

/* Footer */
footer {
    background-color: var(--footer-bg-color);
    padding: 3rem 0;
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

footer a {
    color: rgba(255, 255, 255, 0.8);
}

footer a:hover {
    color: var(--accent-color);
}

/* Keyframe Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
    opacity: 0; /* Ensures element is hidden until animation starts */
}

/* Responsive Design */
@media (max-width: 1024px) {
    :root {
        --h1-font-size: 3rem;
        --h2-font-size: 2rem;
        --section-padding: 4rem 0;
    }
}

@media (max-width: 768px) {
    :root {
        --h1-font-size: 2.5rem;
        --h2-font-size: 1.75rem;
        --h3-font-size: 1.5rem;
        --font-size-base: 0.95rem;
        --section-padding: 3rem 0;
    }

    .btn {
        padding: 0.8rem 2rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    :root {
        --h1-font-size: 2rem;
        --h2-font-size: 1.5rem;
        --h3-font-size: 1.3rem;
        --font-size-base: 0.9rem;
        --section-padding: 2rem 0;
    }

    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .btn {
        width: 100%;
        padding: 0.7rem 1.5rem;
    }
}


/* 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;
    }
}