@import url('https://fonts.googleapis.com/css2?family=Sarabun:wght@300;400;500;600&display=swap');

:root {
    --theme-color: #0d6efd;
    --header-bg: #ffffff;
    --font-color: #333333;
    --font-size: 16px;
    --footer-bg: #cce6ff;
    --footer-text: #0a002e;
}

body {
    font-family: 'Sarabun', sans-serif;
    background: linear-gradient(135deg, #dbf1ff, #ffe0fe, #b4b3ff, #d9d6ff, #e0fdff);
    background-attachment: fixed;
    background-size: cover;
    color: var(--font-color);
    font-size: var(--font-size);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.site-header {
    background-color: var(--header-bg);
    border-bottom: 4px solid var(--theme-color);
    padding: 1.5rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* Navbar */
.navbar-custom {
    background-color: var(--theme-color);
    padding: 0.8rem 0;
}
.navbar-custom .nav-link {
    color: rgba(255,255,255,0.95) !important;
    font-weight: 500;
    padding: 8px 15px !important;
    margin: 0 2px;
    border-radius: 5px;
    transition: all 0.2s;
}
.navbar-custom .nav-link:hover {
    color: #fff !important;
    background: rgba(255,255,255,0.15);
    transform: translateY(-1px);
}

/* Custom Button Menu Colors */
.nav-btn-custom {
    color: white !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.nav-btn-custom:hover {
    filter: brightness(1.1);
    box-shadow: 0 4px 6px rgba(0,0,0,0.15);
}

/* Blink Animation */
@keyframes blinker {
    50% { opacity: 0.4; }
}
.blink-effect {
    animation: blinker 1s linear infinite;
    font-weight: bold;
}

/* Footer Fix */
footer {
    margin-top: auto;
    background-color: var(--footer-bg) !important;
    color: var(--footer-text) !important;
    padding: 15px 0;
    font-size: 0.9rem;
}

/* Gallery & Cards */
.img-gallery-item {
    cursor: pointer;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}
.img-gallery-item:hover {
    transform: scale(1.02);
}
.img-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.card-recruit {
    border: none;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    height: 100%;
}
.card-recruit:hover { box-shadow: 0 5px 15px rgba(0,0,0,0.1); }