:root {
    /* Changed to Fresh Tones: Teal/Emerald/Sky */
    --primary: #0d9488; /* Teal 600 - Fresh & Cultural */
    --secondary: #0ea5e9; /* Sky 500 - Bright & Airy */
    --accent: #84cc16; /* Lime 500 - Freshness */
    --dark: #1F2937;
}

body {
    font-family: 'Sarabun', sans-serif;
    background-color: #f0fdfa; /* Very light teal background */
    color: #334155;
    overflow-x: hidden;
}

h1, h2, h3, h4, .font-heading {
    font-family: 'Kanit', sans-serif;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.image-card {
    overflow: hidden;
    border-radius: 1rem;
    box-shadow: 0 10px 15px -3px rgba(13, 148, 136, 0.15); /* Teal shadow */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.image-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(13, 148, 136, 0.25);
}

.image-card img {
    transition: transform 0.7s ease;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: #115e59;
}

/* Hero Parallax - Changed to brighter/bluer image */
.hero-bg {
    background-image: linear-gradient(rgba(13, 148, 136, 0.3), rgba(15, 23, 42, 0.4)), url('https://images.unsplash.com/photo-1507525428034-b723cf961d3e?q=80&w=2073&auto=format&fit=crop');
    background-attachment: fixed;
    background-position: center;
    background-size: cover;
}

.glass-nav {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}