:root {
        --da-blue: #1b396a;
        --da-blue-2: #24528f;
        --da-gold: #c5a059;
        --da-ink: #172033;
        --da-muted: #5f6f87;
        --da-line: #dbe4ef;
        --da-soft: #f4f7fb;
        --da-white: #ffffff;
        --da-shadow: 0 18px 45px rgba(23, 32, 51, 0.12);
        --primary-color: var(--da-blue);
        --secondary-color: var(--da-blue-2);
        --accent-color: var(--da-gold);
        --text-dark: var(--da-ink);
        --text-light: var(--da-muted);
        --bg-light: var(--da-soft);
        --white: var(--da-white);
        --border-radius: 14px;
        --transition: all 0.22s ease;
    }

    body {
        color: var(--da-ink);
        background: transparent;
    }

    .main-container {
        width: min(1180px, calc(100% - 32px));
        margin: 0 auto;
        padding: 138px 0 80px;
        position: relative;
        z-index: 10;
    }

    .main-container::before {
        content: "";
        display: block;
        height: 4px;
        width: 100%;
        background: linear-gradient(90deg, var(--da-blue), var(--da-gold), transparent);
        border-radius: 999px;
        margin-bottom: 24px;
    }

    .header-section {
        min-height: 300px;
        align-items: flex-start !important;
        justify-content: flex-end;
        text-align: left !important;
        margin-bottom: 24px !important;
        padding: 42px 8px;
        border-radius: 0;
        position: relative;
        overflow: hidden;
        background: transparent;
        border: 0;
        box-shadow: none;
    }

    .header-section::after {
        content: none;
    }

    .badge-accent {
        display: inline-flex;
        align-items: center;
        gap: 0.7rem;
        padding: 0.5rem 0.9rem;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.12);
        border: 1px solid rgba(255, 255, 255, 0.25);
        backdrop-filter: blur(10px);
        margin-bottom: 18px;
        position: relative;
        z-index: 1;
    }

    .badge-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--da-gold);
        box-shadow: 0 0 0 6px rgba(197, 160, 89, 0.16);
    }

    .badge-text {
        color: rgba(255, 255, 255, 0.84);
        font-size: 0.72rem;
        font-weight: 800;
        letter-spacing: 0.18em;
        text-transform: uppercase;
    }

    .page-title {
        color: #fff;
        font-size: clamp(2rem, 4.8vw, 4.7rem);
        font-weight: 900;
        line-height: 0.98;
        margin: 0;
        max-width: 820px;
        text-transform: uppercase;
        position: relative;
        z-index: 1;
        text-shadow: 0 18px 44px rgba(0, 0, 0, 0.32);
    }

    .text-gradient {
        color: var(--da-gold);
        background: none;
        -webkit-text-fill-color: currentColor;
    }

    .concepts-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
        margin-bottom: 22px;
    }

    .concept-card {
        background: rgba(255, 255, 255, 0.9);
        border: 1px solid rgba(255, 255, 255, 0.78);
        border-radius: 14px;
        padding: 0;
        position: relative;
        overflow: hidden;
        box-shadow: 0 14px 36px rgba(8, 16, 32, 0.16);
        transition: var(--transition);
        backdrop-filter: blur(14px);
    }

    .concept-card:nth-child(1),
    .concept-card:nth-child(4) {
        grid-column: auto;
    }

    .concept-card:hover {
        transform: translateY(-3px);
        border-color: rgba(197, 160, 89, 0.75);
        box-shadow: 0 20px 46px rgba(8, 16, 32, 0.22);
    }

    .concept-card[open] {
        background: rgba(255, 255, 255, 0.96);
        border-color: rgba(197, 160, 89, 0.82);
    }

    .concept-summary {
        min-height: 74px;
        display: grid;
        grid-template-columns: auto 1fr auto;
        align-items: center;
        gap: 14px;
        padding: 16px 18px;
        cursor: pointer;
        list-style: none;
    }

    .concept-summary::-webkit-details-marker {
        display: none;
    }

    .icon-wrap {
        width: 44px;
        height: 44px;
        border-radius: 12px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 0;
        color: #fff;
        background: linear-gradient(135deg, var(--da-blue), #2f6bad) !important;
        border: 1px solid rgba(255, 255, 255, 0.35);
        box-shadow: none;
        font-size: 1.15rem;
    }

    .concept-card:hover .icon-wrap {
        color: #fff;
        background: linear-gradient(135deg, var(--da-gold), #946f2b) !important;
        border-color: rgba(197, 160, 89, 0.4);
        transform: none;
    }

    .card-title {
        color: var(--da-ink);
        font-size: 1.12rem;
        font-weight: 850;
        margin: 0;
        letter-spacing: 0;
    }

    .concept-card:hover .card-title {
        color: var(--da-blue);
    }

    .card-text {
        color: var(--da-muted);
        font-size: 0.94rem;
        line-height: 1.68;
        margin: 0;
        padding: 0 20px 20px 76px;
        animation: slideDown 0.2s ease;
    }

    .concept-chevron {
        color: var(--da-gold);
        font-size: 0.86rem;
        transition: transform 0.2s ease;
    }

    .concept-card[open] .concept-chevron {
        transform: rotate(180deg);
    }

    .toggle-container,
    .contact-card-box {
        background: rgba(255, 255, 255, 0.97);
        border: 1px solid var(--da-line);
        border-radius: 14px;
        margin-bottom: 16px;
        overflow: hidden;
        box-shadow: 0 10px 30px rgba(23, 32, 51, 0.06);
        transition: var(--transition);
    }

    .toggle-container:hover,
    .contact-card-box:hover {
        border-color: rgba(197, 160, 89, 0.5);
        box-shadow: 0 16px 38px rgba(23, 32, 51, 0.1);
    }

    .toggle-header {
        min-height: 72px;
        padding: 20px 26px;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 18px;
        color: var(--da-blue);
        font-size: 1rem;
        font-weight: 850;
        letter-spacing: 0.01em;
        background: linear-gradient(90deg, #fff, #f7f9fc);
        border-left: 5px solid transparent;
        transition: var(--transition);
    }

    .toggle-header span {
        display: inline-flex;
        align-items: center;
        gap: 10px;
    }

    .toggle-header:hover,
    .toggle-header.active {
        border-left-color: var(--da-gold);
        background: #fff;
    }

    .toggle-header i:first-child {
        width: 34px;
        height: 34px;
        border-radius: 10px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        margin-right: 0 !important;
        color: var(--da-blue) !important;
        background: #eef4fb;
        border: 1px solid #dbe6f2;
    }

    .toggle-header i.fa-chevron-down {
        color: var(--da-gold);
        transition: transform 0.22s ease;
        font-size: 0.9rem;
    }

    .toggle-header.active i.fa-chevron-down {
        transform: rotate(180deg);
    }

    .toggle-content {
        display: none;
        padding: 26px;
        border-top: 1px solid var(--da-line);
        background: #fbfcfe;
        color: var(--da-muted);
        line-height: 1.65;
        animation: slideDown 0.22s ease;
    }

    @keyframes slideDown {
        from { opacity: 0; transform: translateY(-4px); }
        to { opacity: 1; transform: translateY(0); }
    }

    label[for="carrera"] {
        color: var(--da-ink);
    }

    select#carrera {
        width: 100%;
        max-width: 520px;
        padding: 0.95rem 3rem 0.95rem 1rem;
        background-color: #fff;
        border: 1px solid #bfccda;
        border-radius: 10px;
        font: inherit;
        font-size: 0.96rem;
        font-weight: 750;
        color: var(--da-blue);
        margin-bottom: 24px;
        outline: none;
        cursor: pointer;
        appearance: none;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%231b396a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 1rem center;
        transition: var(--transition);
    }

    select#carrera:focus {
        border-color: var(--da-blue);
        box-shadow: 0 0 0 4px rgba(27, 57, 106, 0.12);
    }

    .department-header {
        background: #eef4fb;
        border: 1px solid #d9e5f1;
        border-radius: 12px;
        padding: 18px;
        margin-bottom: 18px;
    }

    .department-header h4 {
        color: var(--da-blue);
        margin: 0 0 8px;
        font-size: 1.05rem;
    }

    .department-header p {
        margin: 0.3rem 0;
        color: #38506f;
        font-size: 0.92rem;
    }

    .department-header a,
    .contact-info-item a {
        color: var(--da-blue-2) !important;
        font-weight: 750 !important;
        text-decoration: none;
    }

    .department-header a:hover,
    .contact-info-item a:hover {
        text-decoration: underline;
    }

    .table-responsive {
        overflow-x: auto;
        border-radius: 12px;
        border: 1px solid var(--da-line);
        background: #fff;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        background: #fff;
        min-width: 720px;
    }

    th {
        background: var(--da-blue);
        color: #fff;
        padding: 0.95rem 1rem;
        font-weight: 800;
        text-transform: uppercase;
        font-size: 0.72rem;
        letter-spacing: 0.08em;
        text-align: left;
        white-space: nowrap;
    }

    td {
        padding: 0.95rem 1rem;
        border-bottom: 1px solid #edf2f7;
        color: #334155;
        font-size: 0.92rem;
        vertical-align: top;
    }

    tr:nth-child(even) td {
        background: #f8fafc;
    }

    tr:hover td {
        background: #f2f6fb;
    }

    .document-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 16px;
        margin-top: 16px;
    }

    .document-card {
        min-height: 210px;
        background: #ffffff;
        border: 1px solid rgba(219, 228, 239, 0.95) !important;
        border-radius: 16px;
        padding: 18px;
        display: flex;
        flex-direction: column;
        gap: 14px;
        text-decoration: none;
        color: inherit;
        transition: var(--transition);
        box-shadow: 0 14px 30px rgba(23, 32, 51, 0.08);
        position: relative;
        overflow: hidden;
    }

    .document-card::before {
        content: "";
        position: absolute;
        inset: 0;
        background:
            linear-gradient(135deg, var(--doc-bg), transparent 48%),
            radial-gradient(circle at top right, var(--doc-bg), transparent 42%);
        opacity: 0.9;
        pointer-events: none;
    }

    .document-card::after {
        content: "";
        position: absolute;
        top: 18px;
        right: 18px;
        width: 34px;
        height: 42px;
        border-radius: 6px 6px 10px 10px;
        background:
            linear-gradient(135deg, transparent 0 28%, rgba(255,255,255,0.7) 29% 42%, transparent 43%),
            linear-gradient(180deg, var(--doc-color), var(--doc-color));
        opacity: 0.12;
    }

    .document-card:hover {
        transform: translateY(-5px);
        border-color: var(--doc-color) !important;
        box-shadow: 0 22px 42px rgba(23, 32, 51, 0.16);
    }

    .doc-icon-container {
        width: 76px;
        height: 88px;
        border-radius: 12px;
        flex-shrink: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 2rem;
        background:
            linear-gradient(135deg, rgba(255,255,255,0.96), rgba(255,255,255,0.72)),
            var(--doc-bg) !important;
        color: var(--doc-color) !important;
        border: 1px solid rgba(255, 255, 255, 0.86);
        box-shadow: inset 0 -10px 24px rgba(255,255,255,0.35), 0 10px 24px rgba(23, 32, 51, 0.08);
        position: relative;
        z-index: 1;
    }

    .doc-icon-container::before {
        content: "";
        position: absolute;
        top: 0;
        right: 0;
        width: 24px;
        height: 24px;
        border-radius: 0 12px 0 10px;
        background: rgba(255, 255, 255, 0.72);
    }

    .doc-info {
        min-width: 0;
        display: flex;
        flex-direction: column;
        gap: 9px;
        position: relative;
        z-index: 1;
        flex: 1;
    }

    .doc-title {
        display: block;
        color: var(--da-ink);
        font-size: 0.95rem;
        font-weight: 850;
        line-height: 1.28;
        margin: 0;
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }

    .doc-type {
        display: inline-flex;
        align-items: center;
        width: max-content;
        padding: 5px 9px;
        border-radius: 999px;
        background: var(--doc-bg);
        color: var(--doc-color);
        font-size: 0.63rem;
        font-weight: 900;
        letter-spacing: 0.1em;
        text-transform: uppercase;
    }

    .doc-link-text {
        width: 100%;
        min-height: 40px;
        margin-top: auto;
        color: #fff;
        background: var(--doc-color);
        border-radius: 10px;
        font-size: 0.72rem;
        font-weight: 850;
        text-transform: uppercase;
        letter-spacing: 0.08em;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        position: relative;
        z-index: 1;
        box-shadow: 0 10px 18px rgba(23, 32, 51, 0.16);
    }

    .doc-arrow {
        color: #fff;
        font-size: 0.72rem;
        transition: transform 0.2s ease;
    }

    .document-card:hover .doc-arrow {
        transform: translateX(3px);
    }

    .sections-container {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 18px !important;
    }

    .section-column {
        min-width: 0 !important;
        background: #fff;
        border: 1px solid var(--da-line);
        border-radius: 12px;
        padding: 18px;
    }

    .sections-container h4 {
        font-size: 0.82rem !important;
        font-weight: 850 !important;
        color: var(--da-blue) !important;
        text-transform: uppercase;
        letter-spacing: 0.12em;
        border-bottom: 1px solid var(--da-line) !important;
        padding-bottom: 12px !important;
        margin: 0 0 12px !important;
    }

    .contact-card-box {
        padding: 24px;
        border-left: 5px solid var(--da-gold);
    }

    .contact-card-box h3 {
        color: var(--da-blue) !important;
        font-size: 1.05rem;
        margin: 0 0 14px;
        padding-bottom: 12px !important;
        border-bottom: 1px solid var(--da-line) !important;
    }

    .contact-info-item {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        color: var(--da-ink);
        font-size: 0.96rem;
        line-height: 1.5;
    }

    .contact-info-item i {
        width: 38px;
        height: 38px;
        border-radius: 10px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: var(--da-blue);
        background: #eef4fb;
        flex-shrink: 0;
        margin: 0;
    }

    @media (max-width: 980px) {
        .concept-card,
        .concept-card:nth-child(1),
        .concept-card:nth-child(4) {
            grid-column: auto;
        }

        .header-section {
            padding: 38px;
        }
    }

    @media (max-width: 720px) {
        .main-container {
            width: min(100% - 24px, 1180px);
            padding: 112px 0 56px;
        }

        .header-section {
            min-height: 320px;
            padding: 28px;
            border-radius: 14px;
        }

        .concept-card,
        .concept-card:nth-child(1),
        .concept-card:nth-child(4) {
            grid-column: 1 / -1;
        }

        .concepts-grid {
            grid-template-columns: 1fr;
        }

        .card-text {
            padding: 0 18px 18px;
        }

        .toggle-header {
            padding: 18px;
            font-size: 0.95rem;
        }

        .toggle-content {
            padding: 18px;
        }

        .sections-container {
            grid-template-columns: 1fr;
        }

        .document-grid {
            grid-template-columns: 1fr;
        }
    }