/* ============================================================
   TEMA: INSTITUTIONAL
   Clásico, jurídico, sobrio — azul navy profundo + blanco + dorado
   ============================================================ */

body.theme-institutional {
    --theme-sans-family: "Public Sans", "Segoe UI Variable Text", "Segoe UI", sans-serif;
    --theme-serif-family: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", serif;
    --ink: #1a2332;
    --ink-soft: #4a5568;
    --line: #d0dae6;
    --line-strong: #b8c8d8;
    --paper: #f0f4f8;
    --paper-deep: #e4ecf4;
    --panel: #ffffff;
    --panel-soft: #f8fbff;
    --brand: #12325a;
    --brand-deep: #0b2040;
    --brand-soft: #e8f0fa;
    --accent: #c49a3c;
    --accent-soft: #fdf3d8;
    --shadow-soft: 0 20px 50px rgba(12, 30, 60, 0.09);
    --shadow-card: 0 14px 32px rgba(12, 30, 60, 0.07);
    --radius-lg: 0.5rem;
    --radius-md: 0.4rem;
    --radius-sm: 0.3rem;
    background:
        radial-gradient(circle at top right, rgba(18, 50, 90, 0.05), transparent 30%),
        linear-gradient(180deg, #f5f8fc 0%, var(--paper) 45%, #e8eff8 100%);
}

/* ── Topbar ── */
body.theme-institutional .public-topbar {
    background: linear-gradient(90deg, #0b2040, #12325a 65%, #1a4070);
    border-bottom: 2px solid var(--accent);
}

/* ── Navbar ── */
body.theme-institutional .inst-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.97);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 2px 12px rgba(12, 30, 60, 0.08);
}

body.theme-institutional .inst-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 0.8rem 0;
}

body.theme-institutional .inst-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: inherit;
}

body.theme-institutional .inst-brand-seal {
    width: 52px;
    height: 52px;
    border-radius: 4px;
    background: var(--brand-deep);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--theme-serif-family);
    font-size: 1.6rem;
    font-weight: 700;
    flex-shrink: 0;
    border: 2px solid var(--accent);
    letter-spacing: -0.02em;
}

body.theme-institutional .inst-brand-seal img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 2px;
}

body.theme-institutional .inst-brand-copy {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

body.theme-institutional .inst-brand-copy strong {
    font-family: var(--theme-serif-family);
    font-size: 1.1rem;
    color: var(--brand-deep);
    line-height: 1.2;
}

body.theme-institutional .inst-brand-copy small {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--ink-soft);
}

body.theme-institutional .inst-nav-list {
    display: flex;
    align-items: center;
    gap: 0.2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

body.theme-institutional .inst-nav-list .nav-link {
    font-size: 0.87rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--ink);
    padding: 0.45rem 0.8rem;
    border-bottom: 3px solid transparent;
    border-radius: 0;
    transition: color 0.15s, border-color 0.15s;
}

body.theme-institutional .inst-nav-list .nav-link:hover,
body.theme-institutional .inst-nav-list .nav-link.active {
    color: var(--brand-deep);
    border-bottom-color: var(--accent);
}

/* ── Hero institutional immersive ── */
body.theme-institutional .inst-hero {
    padding: 2.5rem 0 1rem;
}

body.theme-institutional .inst-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 2px;
    border: 1px solid var(--line-strong);
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

body.theme-institutional .inst-hero-main {
    background: var(--brand-deep);
    color: #fff;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
    overflow: hidden;
}

body.theme-institutional .inst-hero-main::before {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(196, 154, 60, 0.08);
    pointer-events: none;
}

body.theme-institutional .inst-hero-kicker {
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--accent);
}

body.theme-institutional .inst-hero-main h1 {
    margin: 0;
    font-family: var(--theme-serif-family);
    font-size: clamp(2rem, 3.5vw, 3.4rem);
    line-height: 1;
    color: #ffffff;
}

body.theme-institutional .inst-hero-desc {
    margin: 0;
    font-size: 0.97rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.78);
    max-width: 42ch;
}

body.theme-institutional .inst-hero-actions {
    display: flex;
    gap: 0.65rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

body.theme-institutional .inst-hero-divider {
    height: 1px;
    background: rgba(196, 154, 60, 0.3);
    margin: 0.5rem 0;
}

body.theme-institutional .inst-hero-data {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.7rem;
}

body.theme-institutional .inst-hero-data-item span {
    display: block;
    font-size: 0.68rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--accent);
    margin-bottom: 0.2rem;
}

body.theme-institutional .inst-hero-data-item strong {
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.4;
}

body.theme-institutional .inst-hero-aside {
    background: var(--panel);
    display: flex;
    flex-direction: column;
}

body.theme-institutional .inst-hero-image {
    flex: 1;
    min-height: 260px;
    overflow: hidden;
}

body.theme-institutional .inst-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

body.theme-institutional .inst-hero-image-fallback {
    width: 100%;
    height: 100%;
    min-height: 260px;
    background:
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 20px,
            rgba(18, 50, 90, 0.03) 20px,
            rgba(18, 50, 90, 0.03) 40px
        ),
        linear-gradient(135deg, #e8eff8, #d0dae6);
}

body.theme-institutional .inst-hero-links {
    padding: 1.2rem 1.5rem;
    border-top: 2px solid var(--accent);
    background: var(--brand-soft);
}

body.theme-institutional .inst-hero-links-title {
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--brand);
    margin-bottom: 0.65rem;
}

body.theme-institutional .inst-hero-links ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

body.theme-institutional .inst-hero-links a {
    color: var(--brand-deep);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.88rem;
}

body.theme-institutional .inst-hero-links a:hover {
    text-decoration: underline;
}

/* ── Footer institutional ── */
body.theme-institutional .site-footer {
    background:
        radial-gradient(circle at bottom left, rgba(18, 50, 90, 0.12), transparent 24%),
        linear-gradient(180deg, #f7fafc 0%, #eef3f6 100%);
    border-top: 3px solid var(--brand-deep);
}

body.theme-institutional .inst-footer {
    padding-top: 2.5rem;
}

body.theme-institutional .inst-footer-top {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
    gap: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--line);
}

body.theme-institutional .inst-footer-brand-seal {
    width: 56px;
    height: 56px;
    border-radius: 4px;
    background: var(--brand-deep);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--theme-serif-family);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    border: 2px solid var(--accent);
}

body.theme-institutional .inst-footer-brand-seal img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

body.theme-institutional .inst-footer-brand h2 {
    font-family: var(--theme-serif-family);
    font-size: 1.3rem;
    color: var(--brand-deep);
    margin: 0 0 0.4rem;
}

body.theme-institutional .inst-footer-brand p {
    font-size: 0.9rem;
    color: var(--ink-soft);
    margin: 0;
    line-height: 1.6;
}

body.theme-institutional .inst-footer-col h3 {
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--brand);
    margin: 0 0 0.75rem;
    padding-bottom: 0.45rem;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
}

body.theme-institutional .inst-footer-col ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

body.theme-institutional .inst-footer-col li {
    font-size: 0.88rem;
    color: var(--ink-soft);
    line-height: 1.4;
}

body.theme-institutional .inst-footer-col a {
    color: var(--ink);
    text-decoration: none;
    font-weight: 600;
}

body.theme-institutional .inst-footer-col a:hover {
    color: var(--brand-deep);
    text-decoration: underline;
}

body.theme-institutional .inst-footer-bottom {
    padding: 1rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--ink-soft);
    flex-wrap: wrap;
}

/* ── Responsive ── */
@media (max-width: 991px) {
    body.theme-institutional .inst-hero-grid {
        grid-template-columns: 1fr;
    }
    body.theme-institutional .inst-hero-data {
        grid-template-columns: 1fr 1fr;
    }
    body.theme-institutional .inst-footer-top {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 767px) {
    body.theme-institutional .inst-hero-data {
        grid-template-columns: 1fr;
    }
    body.theme-institutional .inst-footer-top {
        grid-template-columns: 1fr;
    }
    body.theme-institutional .inst-footer-bottom {
        flex-direction: column;
        align-items: start;
    }
}