:root {
    --guest-color-ink: #172236;
    --guest-color-muted: #5f6f82;
    --guest-color-border: #dfe7ef;
    --guest-color-soft: #f6f9fc;
    --guest-color-surface: #ffffff;
    --guest-shadow-sm: 0 8px 24px rgba(5, 67, 102, 0.08);
    --guest-shadow-md: 0 18px 45px rgba(5, 67, 102, 0.12);
    --guest-space-1: 0.25rem;
    --guest-space-2: 0.5rem;
    --guest-space-3: 0.75rem;
    --guest-space-4: 1rem;
    --guest-space-5: 1.5rem;
    --guest-space-6: 2rem;
    --guest-space-7: 3rem;
    --guest-radius-sm: 4px;
    --guest-radius-md: 6px;
    --guest-radius-lg: 8px;
    --guest-container: 1200px;
    --guest-container-narrow: 980px;
}

html {
    scroll-behavior: smooth;
}

.guest-body {
    min-width: 320px;
    overflow-x: hidden;
    color: var(--guest-color-ink);
    background: var(--guest-color-soft);
    font-family: "Nunito Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    transition: zoom 0.2s ease-in-out;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

img {
    max-width: 100%;
}

a {
    text-underline-offset: 3px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid rgba(25, 126, 184, 0.35);
    outline-offset: 3px;
}

.skip-link {
    position: fixed;
    top: var(--guest-space-3);
    left: var(--guest-space-3);
    z-index: 1100;
    padding: var(--guest-space-2) var(--guest-space-4);
    color: #fff;
    background: var(--color-theme);
    border-radius: var(--guest-radius-sm);
    transform: translateY(-140%);
    transition: transform 0.2s ease;
}

.skip-link:focus {
    transform: translateY(0);
}

.site-main {
    min-height: calc(100vh - 335px);
    background: #fff;
}

.guest-container {
    width: min(100% - 2rem, var(--guest-container));
    margin-inline: auto;
}

.guest-container--narrow {
    width: min(100% - 2rem, var(--guest-container-narrow));
}

.guest-section {
    padding-block: clamp(var(--guest-space-5), 4vw, var(--guest-space-7));
}

.guest-section--compact {
    padding-block: clamp(var(--guest-space-4), 2vw, var(--guest-space-6));
}

.guest-page-header {
    margin-bottom: clamp(var(--guest-space-5), 3vw, var(--guest-space-7));
    padding-bottom: var(--guest-space-3);
    border-bottom: 4px solid var(--color-tblue);
}

.guest-page-header h1 {
    margin: 0;
    color: var(--guest-color-ink);
    font-size: clamp(1.65rem, 3vw, 2rem);
    font-weight: 800;
    line-height: 1.15;
    text-transform: uppercase;
}

.guest-notice {
    max-width: 920px;
    margin-inline: auto;
    color: #d94545;
    font-size: clamp(0.95rem, 1.7vw, 1.1rem);
    font-weight: 700;
    line-height: 1.5;
    text-align: center;
    text-transform: uppercase;
}

#header {
    position: relative;
    z-index: 1000;
    background: #fff;
    box-shadow: var(--guest-shadow-sm);
}

header .top-bar {
    gap: var(--guest-space-4);
    min-height: 40px;
    padding-inline: clamp(var(--guest-space-4), 3vw, var(--guest-space-6)) !important;
}

header .top-bar a {
    font-weight: 700;
}

header .top-bar .social-icons a > i {
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.12);
}

header .top-bar .social-icons a:hover > i {
    background: rgba(255, 255, 255, 0.24);
}

header .zoom a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    min-height: 28px;
    padding-inline: var(--guest-space-2);
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: var(--guest-radius-sm);
}

.main-nav {
    background: var(--guest-color-surface);
}

.main-nav > .container-fluid {
    min-height: clamp(74px, 9vw, 112px);
    padding-inline: clamp(var(--guest-space-4), 3vw, var(--guest-space-6));
}

#header .logo img {
    width: min(330px, 72vw);
    max-width: none;
    height: auto;
}

.site-nav {
    position: relative;
    z-index: 1001;
    border-top: 1px solid var(--guest-color-border);
    border-bottom: 1px solid var(--guest-color-border);
    background: #f8fafc;
}

.site-nav__inner {
    position: relative;
}

.site-nav__list {
    width: 100%;
    gap: 0;
    justify-content: center;
    align-items: stretch;
}

.site-nav__list > li {
    position: relative;
}

.site-nav a,
.site-nav a:focus {
    gap: var(--guest-space-2);
    min-height: 52px;
    padding: 14px clamp(10px, 1vw, 16px);
    color: #263d58;
    font-size: clamp(0.82rem, 0.76rem + 0.2vw, 0.95rem);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: 0;
}

.site-nav a.active,
.site-nav a:hover,
.site-nav li:hover > a {
    color: var(--color-theme);
    background: #eaf3f8;
}

.site-nav .dropdown ul {
    top: 100%;
    left: 0;
    min-width: 280px;
    max-width: min(360px, calc(100vw - 2rem));
    margin: 0;
    border: 1px solid var(--guest-color-border);
    border-top: 4px solid var(--color-theme);
    border-radius: 0 0 var(--guest-radius-md) var(--guest-radius-md);
    box-shadow: var(--guest-shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
    pointer-events: none;
}

.site-nav .dropdown:hover > ul,
.site-nav .dropdown:focus-within > ul {
    top: 100%;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.site-nav .dropdown ul a {
    min-height: 48px;
    padding: 12px 18px;
    color: #263d58;
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1.35;
    border-bottom: 1px solid #edf2f7;
    white-space: normal;
}

.site-nav .dropdown ul li:last-child a {
    border-bottom: 0;
}

.mobile-nav-toggle {
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    margin: 4px 14px 4px auto;
    color: var(--color-theme);
    background: transparent;
    border: 0;
    border-radius: var(--guest-radius-md);
}

.navbar-mobile {
    position: fixed;
    inset: 0;
    z-index: 1100;
    background: rgba(10, 28, 43, 0.78);
    backdrop-filter: blur(8px);
}

.navbar-mobile .mobile-nav-toggle {
    position: absolute;
    top: var(--guest-space-4);
    right: var(--guest-space-4);
    color: #fff;
}

.navbar-mobile > .site-nav__inner {
    width: 100%;
    max-width: none;
}

.navbar-mobile > .site-nav__inner > .site-nav__list {
    display: block;
    position: absolute;
    top: 72px;
    right: var(--guest-space-4);
    bottom: var(--guest-space-4);
    left: var(--guest-space-4);
    padding: var(--guest-space-2);
    overflow-y: auto;
    background: #fff;
    border-radius: var(--guest-radius-lg);
    box-shadow: var(--guest-shadow-md);
}

.navbar-mobile .dropdown ul {
    position: static;
    display: none;
    min-width: 0;
    max-width: none;
    margin: var(--guest-space-2) var(--guest-space-2) var(--guest-space-3);
    padding: var(--guest-space-2);
    background: #f8fafc;
    border: 1px solid var(--guest-color-border);
    border-top-width: 0;
    border-radius: var(--guest-radius-md);
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
}

.navbar-mobile .dropdown ul.dropdown-active {
    display: block;
}

.navbar-mobile a,
.navbar-mobile a:focus {
    min-height: 44px;
    padding: 12px var(--guest-space-4);
    border-radius: var(--guest-radius-md);
    white-space: normal;
}

.navbar-mobile .dropdown ul a,
.navbar-mobile .dropdown ul a:focus {
    min-height: 40px;
    padding: 10px 12px;
    font-size: 0.9rem;
}

.slider-item {
    min-height: clamp(440px, 72vh, 760px);
    background-position: center;
}

.hero-slider .slider-item .overlay {
    background: linear-gradient(90deg, rgba(4, 38, 59, 0.72), rgba(4, 38, 59, 0.28) 54%, rgba(4, 38, 59, 0.16));
}

.hero-slider .slider-item .caption {
    right: clamp(var(--guest-space-4), 10vw, 140px);
    bottom: clamp(var(--guest-space-6), 10vh, 96px);
    left: clamp(var(--guest-space-4), 6vw, 84px);
    max-width: 760px;
}

.hero-slider .slider-item .caption h2 {
    margin-bottom: var(--guest-space-3);
    font-size: clamp(2rem, 4.4vw, 4.5rem);
    line-height: 1.05;
    text-wrap: balance;
}

.hero-slider .slider-item .caption p {
    width: min(100%, 680px);
    font-size: clamp(1rem, 1.4vw, 1.2rem);
}

.hero-slider .slider-item .btn,
.btn-theme {
    font-weight: 800;
    border: 0;
    border-radius: var(--guest-radius-sm);
    box-shadow: 0 10px 24px rgba(5, 67, 102, 0.2);
}

.announcement-board,
.comps-item,
.cc-item {
    border: 1px solid var(--guest-color-border);
    box-shadow: 0 12px 28px rgba(18, 52, 75, 0.08);
}

.announcement-board {
    overflow: hidden;
    background: #fff;
    border-radius: var(--guest-radius-md);
}

.announcement-board .body {
    max-height: 360px;
    overflow: auto;
}

.cc-item {
    width: min(100%, 360px);
    min-height: 94px;
    border-radius: var(--guest-radius-md);
}

.comps-item {
    height: 100%;
    overflow: hidden;
    background: #fff !important;
    border-radius: var(--guest-radius-md);
}

.ci-img {
    min-height: 260px;
    aspect-ratio: 4 / 3;
    background: var(--guest-color-soft);
}

.ci-content {
    min-height: 190px;
    padding: var(--guest-space-4) !important;
}

.ci-content h4 {
    margin-bottom: var(--guest-space-3);
    color: var(--guest-color-ink);
    font-size: clamp(1rem, 0.96rem + 0.2vw, 1.12rem);
    font-weight: 800;
    line-height: 1.35;
}

.ci-content p {
    color: var(--guest-color-muted);
    font-size: 0.94rem;
    line-height: 1.65;
}

.videos {
    background: linear-gradient(135deg, var(--color-theme), var(--color-tblue));
}

.contact {
    background: #fff;
}

.grievance-register {
    padding-top: 0;
}

.grievance-register form {
    padding: clamp(var(--guest-space-4), 3vw, var(--guest-space-6));
    background: #fff;
    border: 1px solid var(--guest-color-border);
    border-radius: var(--guest-radius-lg);
    box-shadow: var(--guest-shadow-sm);
}

.grievance-register label,
.grievance-register span {
    display: inline-block;
    margin-bottom: var(--guest-space-2);
    color: var(--guest-color-ink);
    font-weight: 700;
}

.grievance-register label sup {
    color: #dc3545;
}

.grievance-register .form-control,
.grievance-register .form-select {
    min-height: 46px;
    border-color: #cfd8e3;
    border-radius: var(--guest-radius-sm);
}

.grievance-register textarea.form-control {
    min-height: 150px;
}

.grievance-register .form-control:focus,
.grievance-register .form-select:focus {
    border-color: var(--color-tblue);
    box-shadow: 0 0 0 0.2rem rgba(25, 126, 184, 0.16);
}

.grievance-register .form-control.disabled {
    background-color: var(--bs-secondary-bg);
}

.grievance-register .btn-primary {
    min-height: 48px;
    padding-inline: var(--guest-space-5);
    font-weight: 800;
    border: 0;
    border-radius: var(--guest-radius-sm);
    background: var(--color-theme);
}

.site-footer {
    color: #fff;
}

.site-footer .footer-content {
    padding-block: clamp(var(--guest-space-6), 5vw, 4rem);
    background: linear-gradient(135deg, #043752, var(--color-theme));
}

.site-footer__grid {
    display: grid;
    grid-template-columns: minmax(240px, 1.3fr) repeat(2, minmax(180px, 1fr));
    gap: clamp(var(--guest-space-5), 4vw, var(--guest-space-7));
    align-items: start;
}

.site-footer__brand img {
    width: min(260px, 72vw);
    height: auto;
    padding: var(--guest-space-3);
    margin-bottom: var(--guest-space-4);
    background: #fff;
    border-radius: var(--guest-radius-md);
}

.site-footer__brand p {
    max-width: 340px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.95rem;
    line-height: 1.6;
}

.site-footer__nav h2 {
    margin-bottom: var(--guest-space-4);
    color: #fff;
    font-size: 0.92rem;
    font-weight: 900;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.site-footer__nav ul {
    display: grid;
    gap: var(--guest-space-2);
    padding: 0;
    margin: 0;
    list-style: none;
}

.site-footer__nav a {
    display: inline-flex;
    min-height: 34px;
    align-items: center;
    padding-block: var(--guest-space-1);
    color: rgba(255, 255, 255, 0.86);
    font-weight: 700;
}

.site-footer__nav a:hover {
    color: #fff;
}

.site-footer .copyright-content {
    padding-block: var(--guest-space-4);
    background: #06131d;
}

.site-footer__bottom {
    display: flex;
    gap: var(--guest-space-3);
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.86);
    font-size: 0.92rem;
    text-align: center;
}

.site-footer__bottom a {
    color: #fff;
    font-weight: 800;
    text-decoration: underline;
}

.back-to-top {
    position: fixed;
    right: var(--guest-space-4);
    bottom: var(--guest-space-4);
    z-index: 999;
    width: 44px;
    height: 44px;
    color: #fff;
    visibility: hidden;
    background: var(--color-theme);
    border: 0;
    border-radius: 50%;
    box-shadow: 0 10px 24px rgba(5, 67, 102, 0.28);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
}

.back-to-top i {
    font-size: 1.5rem;
}

.back-to-top.active {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 991.98px) {
    .site-nav {
        display: flex;
        justify-content: flex-end;
    }

    .mobile-nav-toggle {
        display: inline-flex;
    }

    #header .logo img {
        width: min(300px, 78vw);
    }

    .site-footer__grid {
        grid-template-columns: 1fr 1fr;
    }

    .site-footer__brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 767.98px) {
    header .top-bar {
        align-items: flex-start !important;
        flex-direction: column;
    }

    header .top-bar .right {
        width: 100%;
    }

    header .top-bar .lang-zoom {
        width: 100%;
        gap: var(--guest-space-3);
        align-items: center;
    }

    .guest-container,
    .guest-container--narrow {
        width: min(100% - 1.25rem, var(--guest-container));
    }

    .hero-slider .slider-item .caption {
        bottom: var(--guest-space-7);
    }

    .about-sec .honper figure {
        width: 150px;
        height: 150px;
    }

    .ci-img {
        min-height: 220px;
    }

    .grievance-register form {
        padding: var(--guest-space-4);
        border-right: 0;
        border-left: 0;
        border-radius: 0;
        box-shadow: none;
    }

    .site-footer .footer-content {
        padding-block: var(--guest-space-6);
    }

    .site-footer__grid {
        grid-template-columns: 1fr;
        gap: var(--guest-space-5);
    }

    .site-footer__brand img {
        width: min(240px, 82vw);
    }

    .site-footer__bottom {
        flex-direction: column;
        gap: var(--guest-space-2);
    }
}