body {
    font-family: var(--dk-font-family, "DM Sans"), sans-serif;
    font-size: var(--dk-font-size-base, 16px);
    background: linear-gradient(180deg, #f4f7fc 0%, #eef3fa 100%);
    color: #0f172a;
}

.site-header {
    background: var(--dk-header-bg, #ffffff);
    border-bottom: 1px solid #e2e8f0;
}

.site-logo {
    height: clamp(118px, calc(var(--dk-logo-height-desktop, 103px) * 1.15), 118px);
    width: auto;
    max-width: min(320px, 32vw);
    object-fit: contain;
    object-position: left center;
    display: block;
}

.site-header .navbar {
    --bs-navbar-brand-padding-y: 0;
}

.site-header .navbar-brand {
    min-height: clamp(44px, 5vw, 70px);
    padding-top: 4px;
    padding-bottom: 4px;
    align-items: center;
    line-height: 1;
}

.brand-mark {
    width: 36px;
    height: 36px;
    border-radius: var(--dk-radius-md, 10px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--dk-primary, #1d4ed8), var(--dk-secondary, #0891b2));
}

.navbar .nav-link {
    color: #334155;
    font-weight: 500;
}

.navbar .nav-link.active,
.navbar .nav-link:hover {
    color: var(--dk-primary, #1d4ed8);
}

.navbar .dropdown-menu {
    border: 1px solid color-mix(in srgb, var(--dk-primary, #1d4ed8) 20%, #e2e8f0);
    border-radius: var(--dk-radius-md, 14px);
    box-shadow: 0 18px 36px rgba(15, 23, 42, 0.16);
    padding: 8px;
    overflow: hidden;
}

.navbar .dropdown-item {
    border-radius: 10px;
    font-weight: 500;
    padding: 8px 12px;
    transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.navbar .dropdown-item:hover,
.navbar .dropdown-item:focus {
    background: color-mix(in srgb, var(--dk-primary, #1d4ed8) 12%, white);
    color: var(--dk-primary, #1d4ed8);
    transform: translateX(2px);
}

.navbar .dropdown-item.active,
.navbar .dropdown-item:active {
    background: var(--dk-primary, #1d4ed8);
    color: #fff;
}

@media (max-width: 767.98px) {
    .site-header .navbar > .container {
        position: relative;
        min-height: 62px;
    }

    .site-header .navbar-brand {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        margin-right: 0;
        z-index: 3;
    }

    .site-header .navbar-toggler {
        margin-left: auto;
        position: relative;
        z-index: 4;
    }

    .site-header .navbar-collapse {
        margin-top: 10px;
    }

    .site-logo {
        height: clamp(34px, var(--dk-logo-height-mobile, 44px), 58px);
        max-width: min(190px, 42vw);
        object-position: center;
    }
}

.hero-section {
    padding: 64px 0 32px;
}

.hero-card {
    background: linear-gradient(135deg, #0f172a, var(--dk-primary, #1e3a8a));
    color: #fff;
    border-radius: var(--dk-radius-lg, 24px);
    overflow: hidden;
}

.hero-card img {
    width: 100%;
    height: 320px;
    object-fit: cover;
}

.section-title {
    font-size: clamp(1.45rem, 3.2vw, 2.2rem);
    font-weight: 800;
    letter-spacing: -0.015em;
    margin-bottom: 10px;
}

.section-subtitle {
    color: #64748b;
    max-width: 760px;
    margin-bottom: 24px;
}

.content-card {
    background: linear-gradient(170deg, #ffffff 0%, #f8fbff 100%);
    border: 1px solid color-mix(in srgb, var(--dk-primary, #1d4ed8) 14%, #e2e8f0);
    border-radius: var(--dk-radius-md, 16px);
    box-shadow: var(--dk-shadow-card, 0 8px 20px rgba(15, 23, 42, 0.05));
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.page-inner .content-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 22px 40px rgba(15, 23, 42, 0.14);
    border-color: color-mix(in srgb, var(--dk-primary, #1d4ed8) 35%, #dbe5f3);
}

.content-card h3,
.content-card h4,
.content-card h5 {
    letter-spacing: -0.01em;
    font-weight: 700;
}

.content-card img {
    transition: transform 0.45s ease;
}

.content-card:hover img {
    transform: scale(1.03);
}

.metric-box {
    border: 1px dashed color-mix(in srgb, var(--dk-primary, #1d4ed8) 45%, white);
    border-radius: var(--dk-radius-md, 14px);
    padding: 18px;
    text-align: center;
    background: color-mix(in srgb, var(--dk-primary, #1d4ed8) 8%, white);
}

.metric-box h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.program-card img,
.news-card img,
.event-card img,
.campus-card img {
    width: 100%;
    height: 230px;
    object-fit: cover;
    border-top-left-radius: var(--dk-radius-md, 16px);
    border-top-right-radius: var(--dk-radius-md, 16px);
}

.page-hero {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 18% 22%, color-mix(in srgb, var(--dk-accent, #0ea5e9) 24%, transparent), transparent 52%),
        linear-gradient(125deg, color-mix(in srgb, var(--dk-footer-bg, #0f172a) 94%, black) 0%, color-mix(in srgb, var(--dk-footer-bg, #0f172a) 72%, var(--dk-primary, #1d4ed8)) 100%);
    color: #fff;
    padding: clamp(66px, 10vw, 118px) 0 clamp(44px, 8vw, 72px);
    margin-bottom: 0;
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.page-hero::after {
    content: "";
    position: absolute;
    width: 520px;
    height: 520px;
    right: -120px;
    top: -220px;
    border-radius: 999px;
    background: radial-gradient(circle, color-mix(in srgb, var(--dk-primary, #1d4ed8) 32%, transparent), transparent 68%);
    pointer-events: none;
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero h1,
.page-hero .display-6 {
    font-weight: 800 !important;
    letter-spacing: -0.02em;
    font-size: clamp(1.9rem, 4.2vw, 3.15rem);
    max-width: 900px;
}

.page-hero p {
    color: rgba(226, 232, 240, 0.95);
    max-width: 760px;
    font-size: clamp(1rem, 1.8vw, 1.13rem);
}

.page-inner section.pb-5 {
    padding-top: clamp(28px, 4vw, 44px);
    padding-bottom: clamp(56px, 8vw, 86px) !important;
}

.site-footer {
    background: var(--dk-footer-bg, #0f172a);
    color: var(--dk-footer-text, #cbd5e1);
}

.site-footer a {
    color: var(--dk-footer-text, #cbd5e1);
    text-decoration: none;
}

.site-footer a:hover {
    color: color-mix(in srgb, var(--dk-footer-text, #cbd5e1) 40%, white);
}

.site-footer .text-muted,
.site-footer small,
.site-footer p,
.site-footer li {
    color: #ffffff !important;
}

.footer-bottom {
    border-top: 1px solid rgba(148, 163, 184, 0.2);
}

.contact-detail-card {
    border-left: 4px solid var(--dk-primary, #2563eb);
}

.list-check li {
    margin-bottom: 8px;
}

.list-check li::marker {
    color: var(--dk-primary, #2563eb);
}

.form-label {
    font-weight: 600;
    color: #1e293b;
}

.form-control,
.form-select {
    border-radius: calc(var(--dk-radius-md, 16px) - 4px);
    border-color: #cbd5e1;
    background: #fff;
    min-height: 46px;
}

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

.form-control:focus,
.form-select:focus {
    border-color: color-mix(in srgb, var(--dk-primary, #1d4ed8) 56%, #93c5fd);
    box-shadow: 0 0 0 0.2rem color-mix(in srgb, var(--dk-primary, #1d4ed8) 16%, transparent);
}

.alert {
    border-radius: calc(var(--dk-radius-md, 16px) - 4px);
    border-width: 1px;
}

.accordion.content-card {
    padding: 10px !important;
}

.accordion-item {
    border: 1px solid #e2e8f0;
    border-radius: 12px !important;
    overflow: hidden;
    margin-bottom: 10px;
}

.accordion-item:last-child {
    margin-bottom: 0;
}

.accordion-button {
    font-weight: 600;
    color: #0f172a;
    background: #fff;
}

.accordion-button:not(.collapsed) {
    background: color-mix(in srgb, var(--dk-primary, #1d4ed8) 10%, #ffffff);
    color: var(--dk-primary, #1d4ed8);
    box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.04);
}

.btn-primary {
    --bs-btn-bg: var(--dk-primary, #1d4ed8);
    --bs-btn-border-color: var(--dk-primary, #1d4ed8);
    --bs-btn-hover-bg: color-mix(in srgb, var(--dk-primary, #1d4ed8) 88%, black);
    --bs-btn-hover-border-color: color-mix(in srgb, var(--dk-primary, #1d4ed8) 88%, black);
    --bs-btn-active-bg: color-mix(in srgb, var(--dk-primary, #1d4ed8) 80%, black);
    --bs-btn-active-border-color: color-mix(in srgb, var(--dk-primary, #1d4ed8) 80%, black);
}

.btn-outline-primary {
    --bs-btn-color: var(--dk-primary, #1d4ed8);
    --bs-btn-border-color: var(--dk-primary, #1d4ed8);
    --bs-btn-hover-bg: var(--dk-primary, #1d4ed8);
    --bs-btn-hover-border-color: var(--dk-primary, #1d4ed8);
    --bs-btn-active-bg: var(--dk-primary, #1d4ed8);
    --bs-btn-active-border-color: var(--dk-primary, #1d4ed8);
}

.not-found-card {
    position: relative;
    overflow: hidden;
}

.not-found-card::after {
    content: "";
    position: absolute;
    inset: auto -10% -55% -10%;
    height: 220px;
    background: radial-gradient(circle at center, color-mix(in srgb, var(--dk-primary, #1d4ed8) 20%, transparent), transparent 70%);
    pointer-events: none;
}

.not-found-code {
    font-size: clamp(3rem, 10vw, 6rem);
    line-height: 1;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: color-mix(in srgb, var(--dk-primary, #1d4ed8) 72%, white);
}

.staff-spotlight-card {
    overflow: hidden;
}

.staff-spotlight-image,
.staff-member-image {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.staff-image-fallback {
    width: 100%;
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dk-primary, #1d4ed8), var(--dk-secondary, #0891b2));
    color: #ffffff;
    font-size: 2rem;
    font-weight: 700;
}

.staff-member-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.staff-member-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(15, 23, 42, 0.12);
}

.staff-carousel .carousel-control-prev-icon,
.staff-carousel .carousel-control-next-icon {
    background-color: rgba(15, 23, 42, 0.75);
    border-radius: 999px;
    background-size: 60% 60%;
}

.hr-form-card {
    border-top: 4px solid var(--dk-primary, #1d4ed8);
}

.popup-modal {
    border: 0;
    border-radius: 16px;
    box-shadow: 0 24px 48px rgba(15, 23, 42, 0.2);
}

.popup-modal .modal-title {
    font-weight: 700;
}

.popup-modal-image {
    width: 100%;
    max-height: 230px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.popup-theme-info {
    border-top: 6px solid #0ea5e9;
}

.popup-theme-success {
    border-top: 6px solid #16a34a;
}

.popup-theme-warning {
    border-top: 6px solid #f59e0b;
}

.popup-theme-danger {
    border-top: 6px solid #dc2626;
}

.home-hero-full {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0b1220 0%, #132a4a 45%, #1d4ed8 100%);
    color: #ffffff;
    padding: 36px 0 42px;
}

.home-hero-glow {
    position: absolute;
    width: 520px;
    height: 520px;
    right: -140px;
    top: -180px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.35), transparent 68%);
    animation: heroPulse 7s ease-in-out infinite;
    pointer-events: none;
}

.home-modern-carousel .carousel-control-prev-icon,
.home-modern-carousel .carousel-control-next-icon {
    background-color: rgba(15, 23, 42, 0.7);
    border-radius: 999px;
    background-size: 60% 60%;
}

.hero-showcase-card {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 24px 56px rgba(11, 18, 32, 0.3);
}

.hero-showcase-image {
    width: 100%;
    height: 420px;
    object-fit: cover;
}

.hero-showcase-overlay {
    position: absolute;
    inset: auto 0 0 0;
    padding: 20px;
    background: linear-gradient(180deg, transparent 0%, rgba(11, 18, 32, 0.92) 100%);
}

.home-marquee-section {
    overflow: hidden;
    background: #ffffff;
    border-top: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
}

.home-marquee-track {
    display: flex;
    align-items: center;
    gap: 2.25rem;
    padding: 13px 0;
    white-space: nowrap;
    animation: marqueeMove 24s linear infinite;
}

.home-marquee-track span {
    color: #0f172a;
    font-weight: 700;
    position: relative;
    padding-right: 2.25rem;
}

.home-marquee-track span::after {
    content: "•";
    position: absolute;
    right: 0.8rem;
    color: #38bdf8;
}

.home-section-block {
    padding: 56px 0;
}

.home-dark-band {
    background: linear-gradient(135deg, #0f172a, #1e293b);
}

.home-lift-card {
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.home-lift-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 34px rgba(15, 23, 42, 0.16);
}

.reveal-up {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes marqueeMove {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes heroPulse {
    0%, 100% { transform: scale(1); opacity: 0.85; }
    50% { transform: scale(1.1); opacity: 1; }
}