@import url('https://fonts.googleapis.com/css2?family=Sarabun:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary-color: #d32f2f;
    /* สีแดงหลักระดับองค์กร */
    --secondary-color: #b71c1c;
    /* สีแดงเข้มสำหรับไล่เฉดสี */
}

body {
    font-family: 'Sarabun', sans-serif;
}

/* สีข้อความหลักตามธีมของเว็บไซต์ */
.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background-color: var(--secondary-color) !important;
    border-color: var(--secondary-color) !important;
}

.text-shadow-sm {
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.custom-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.custom-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px var(--primary-color);
}

.navbar {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    padding: 0.25rem 0;
}

.navbar-brand span {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-link {
    position: relative;
    transition: color 0.3s ease;
    padding-bottom: 0.25rem;
}

.nav-link::before {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--primary-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
    border-radius: 2px;
}

@media (min-width: 992px) {

    .nav-link:hover::before,
    .nav-link.active::before {
        width: 80%;
    }
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color) !important;
}

.collapsing {
    transition: height 0.6s cubic-bezier(0.25, 1, 0.5, 1) !important;
}

.navbar-toggler {
    border: none;
    transition: opacity 0.3s ease;
}

.navbar-toggler:focus {
    box-shadow: none;
    outline: none;
}

.navbar-toggler:hover {
    opacity: 0.7;
}

@media (max-width: 991px) {
    .navbar-collapse {
        padding-top: 1rem;
        padding-bottom: 1rem;
        text-align: center;
    }

    .nav-item {
        margin-bottom: 0.5rem;
    }

    .nav-link::before {
        display: none;
    }
}

.carousel-item {
    transition: transform 1s ease-in-out, opacity 1s ease-in-out !important;
}

.hero-carousel-inner {
    height: 50vh;
}

@media (min-width: 768px) {
    .hero-carousel-inner {
        height: 60vh;
    }
}

@media (min-width: 992px) {
    .hero-carousel-inner {
        height: 70vh;
    }
}

@media (min-width: 1400px) {
    .hero-carousel-inner {
        height: 80vh;
    }
}

.footer-link {
    color: #adb5bd;
    transition: color 0.3s ease-in-out, padding-left 0.3s ease;
}

.footer-link:hover {
    color: var(--primary-color) !important;
    padding-left: 5px;
}

.custom-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.custom-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.15) !important;
}

/* จัดขนาดรูปภาพ Lightbox ให้พอดีกับหน้าจอ (เดสก์ท็อปและมือถือ) */
#lightboxOverlay {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    z-index: 99998 !important;
}

#lightbox {
    position: fixed !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    margin: 0 !important;
    z-index: 99999 !important;
    text-align: center;
    max-width: 92vw !important;
    max-height: 92vh !important;
}

#lightbox .lb-outerContainer {
    max-width: 90vw !important;
    max-height: 70vh !important;
    margin: 0 auto !important;
}

#lightbox .lb-container {
    max-width: 90vw !important;
    max-height: 70vh !important;
}

#lightbox .lb-image {
    max-width: 90vw !important;
    max-height: 70vh !important;
    width: auto !important;
    height: auto !important;
    object-fit: contain !important;
    border-radius: 8px;
}

#lightbox .lb-dataContainer {
    max-width: 90vw !important;
    margin: 0 auto !important;
}