:root { --primary-color: #DC3545; --secondary-color: #6c757d; --light-color: #f8f9fa; --dark-color: #212529; --glass-bg: rgba(255, 255, 255, 0.05); --glass-border: 1px solid rgba(255, 255, 255, 0.2); --blur-effect: blur(15px); }
body { font-family: 'Noto Sans Thai', sans-serif; background: #1a1a1a url('../images/background.jpg') no-repeat center center fixed; background-size: cover; color: var(--light-color); }
.glassy-nav, .glassy-card, .glassy-modal .modal-content { background: var(--glass-bg); backdrop-filter: var(--blur-effect); -webkit-backdrop-filter: var(--blur-effect); border: var(--glass-border); box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37); }
.glassy-nav { border-radius: 0; }
.glassy-card { border-radius: 15px; padding: 2rem; transition: all 0.3s ease; }
.glassy-card:hover { background: rgba(255, 255, 255, 0.1); transform: translateY(-5px); }
.navbar-brand, .nav-link { color: var(--light-color) !important; font-weight: 500; }
.nav-link:hover, .nav-link.active, .dropdown-item.active { color: var(--primary-color) !important; background-color: transparent !important;}
.navbar-toggler { border-color: rgba(255,255,255,0.2); }
.navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }
.jumbotron-swiper { width: 100%; height: 100vh; }
.swiper-slide { display: flex; justify-content: center; align-items: center; text-align: center; background-size: cover; background-position: center; color: white; }
.swiper-slide::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to top, rgba(0,0,0,0.8), rgba(0,0,0,0.2)); }
.jumbotron-content { position: relative; z-index: 2; max-width: 800px; padding: 20px; }
.jumbotron-content h1 { font-size: 3.5rem; font-weight: bold; text-shadow: 2px 2px 4px rgba(0,0,0,0.7); }
.swiper-button-next, .swiper-button-prev { color: var(--primary-color); }
.swiper-pagination-bullet-active { background: var(--primary-color); }
.section { padding: 80px 0; }
.page-header { padding-top: 150px; padding-bottom: 80px; }
.section-title { text-align: center; margin-bottom: 50px; font-size: 2.5rem; font-weight: bold; color: var(--light-color); }
.btn-custom { background-color: var(--primary-color); color: white; border: none; padding: 12px 30px; border-radius: 50px; font-weight: bold; text-transform: uppercase; letter-spacing: 1px; transition: all 0.3s ease; }
.btn-custom:hover { background-color: #b02a37; color: white; transform: scale(1.05); }
.partner-swiper { padding: 20px 0; }
.partner-logo img { max-height: 60px; width: auto; filter: grayscale(100%) opacity(0.7); transition: all 0.3s ease; }
.partner-logo img:hover { filter: none; opacity: 1; }
.footer-section { background: rgba(10, 10, 10, 0.7); padding: 50px 0 20px 0; color: #ccc; }
.footer-section h5 { color: white; margin-bottom: 15px; }
.footer-section a { color: #ccc; text-decoration: none; transition: color 0.3s ease; }
.footer-section a:hover { color: var(--primary-color); }
.social-icon { display: inline-block; width: 40px; height: 40px; line-height: 40px; text-align: center; border-radius: 50%; background: rgba(255,255,255,0.1); color: white; transition: all 0.3s; }
.social-icon:hover { background: var(--primary-color); }
.portfolio-item { text-align: center; cursor: pointer; }
.portfolio-item .glassy-card { display: flex; flex-direction: column; justify-content: center; align-items: center; height: 100%; }
.portfolio-item img.logo { max-height: 80px; width: auto; margin-bottom: 1rem; }
.portfolio-item h5, .portfolio-item p { margin: 0; }
.river-gallery { column-count: 3; column-gap: 1rem; }
.river-gallery img { width: 100%; height: auto; margin-bottom: 1rem; border-radius: 8px; }
@media (max-width: 992px) { .river-gallery { column-count: 2; } }
@media (max-width: 576px) { .river-gallery { column-count: 1; } }
.team-card { text-align: center; }
.team-card img { width: 150px; height: 150px; border-radius: 50%; object-fit: cover; border: 4px solid rgba(255,255,255,0.2); margin-bottom: 1rem; }
#map-container { border-radius: 15px; overflow: hidden; border: var(--glass-border); }