:root {
    --mtti-green: #006b3c;
    --mtti-green-dark: #064326;
    --mtti-red: #c61f26;
    --mtti-gold: #e1ad22;
    --mtti-ink: #17231c;
    --mtti-muted: #5d6a62;
    --mtti-surface: #f4f7f5;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--mtti-surface);
    color: var(--mtti-ink);
    font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

.top-strip {
    background: var(--mtti-green-dark);
    color: #fff;
    padding: .65rem 0;
    font-size: .9rem;
}

.top-strip a,
.public-footer a { color: #fff; text-decoration: none; }
.top-strip a:hover,
.public-footer a:hover { text-decoration: underline; }

.brand-logo { width: 54px; height: 54px; object-fit: contain; margin-right: .75rem; }
.brand-name { color: var(--mtti-green); font-size: 1rem; font-weight: 900; line-height: 1.05; }
.brand-sub { color: var(--mtti-red); font-size: .72rem; font-weight: 800; letter-spacing: .08em; }
.navbar .nav-link { color: #33443a; font-weight: 650; }
.navbar .nav-link:hover,
.navbar .nav-link.active { color: var(--mtti-green); }

.public-hero {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(110deg, rgba(6, 67, 38, .96), rgba(0, 107, 60, .86) 55%, rgba(198, 31, 38, .78)),
        url("../images/hero/hero-campus.jpg") center / cover;
    color: #fff;
    padding: clamp(4rem, 8vw, 6.5rem) 0;
}

.public-hero h1 {
    max-width: 850px;
    margin: 1rem 0 .75rem;
    font-size: clamp(2.4rem, 6vw, 4.6rem);
    font-weight: 900;
    letter-spacing: -.045em;
    line-height: 1;
}

.public-hero p { max-width: 760px; color: rgba(255,255,255,.9); font-size: 1.12rem; line-height: 1.75; }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    font-size: .78rem;
    font-weight: 850;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.public-hero .eyebrow {
    padding: .5rem .85rem;
    border: 1px solid rgba(255,255,255,.38);
    border-radius: 999px;
    background: rgba(255,255,255,.12);
}

.section-wrap { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.section-heading { max-width: 760px; margin-bottom: 2rem; }
.section-heading h2 { color: var(--mtti-green-dark); font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 900; letter-spacing: -.035em; }
.section-heading p { color: var(--mtti-muted); line-height: 1.75; }

.content-card,
.department-card,
.post-card,
.information-panel {
    border: 1px solid #dfe8e3;
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 12px 30px rgba(15, 58, 34, .07);
}

.content-card,
.department-card,
.post-card { height: 100%; padding: 1.55rem; }
.content-card h2,
.department-card h2,
.post-card h2 { color: var(--mtti-green-dark); font-weight: 850; }
.content-card p,
.department-card p,
.post-card p { color: var(--mtti-muted); line-height: 1.7; }

.card-icon {
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    margin-bottom: 1rem;
    border-radius: 15px;
    background: #e8f4ed;
    color: var(--mtti-green);
    font-size: 1.3rem;
    font-weight: 900;
}

.department-card,
.post-card { position: relative; overflow: hidden; }
.department-card::before,
.post-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 4px;
    background: linear-gradient(90deg, var(--mtti-green), var(--mtti-gold), var(--mtti-red));
}

.directory-meta,
.post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: .55rem 1rem;
    color: var(--mtti-muted);
    font-size: .88rem;
}

.leadership-section { padding-top: 1rem; }

.org-chart {
    width: 100%;
    overflow-x: auto;
    padding: .5rem .25rem 1.25rem;
    scrollbar-color: #9ab7a6 transparent;
}

.org-chart .org-level {
    position: relative;
    display: flex;
    justify-content: center;
    min-width: max-content;
    margin: 0;
    padding: 2rem 0 0;
    list-style: none;
}

.org-chart > .org-level { padding-top: 0; }

.org-chart .org-branch {
    position: relative;
    padding: 2rem .7rem 0;
    text-align: center;
}

.org-chart > .org-level > .org-branch { padding-top: 0; }

.org-chart .org-branch::before,
.org-chart .org-branch::after {
    content: "";
    position: absolute;
    top: 0;
    right: 50%;
    width: 50%;
    height: 2rem;
    border-top: 2px solid #b8cbc0;
}

.org-chart .org-branch::after {
    right: auto;
    left: 50%;
    border-left: 2px solid #b8cbc0;
}

.org-chart .org-branch:only-child::before,
.org-chart .org-branch:only-child::after,
.org-chart > .org-level > .org-branch::before,
.org-chart > .org-level > .org-branch::after { display: none; }

.org-chart .org-branch:first-child::before,
.org-chart .org-branch:last-child::after { border: 0; }

.org-chart .org-branch:last-child::before {
    border-right: 2px solid #b8cbc0;
    border-radius: 0 8px 0 0;
}

.org-chart .org-branch:first-child::after { border-radius: 8px 0 0; }

.org-chart .org-branch > .org-level::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    height: 2rem;
    border-left: 2px solid #b8cbc0;
}

.org-person-card {
    width: 230px;
    min-height: 205px;
    margin: 0 auto;
    padding: 1.25rem;
    border: 1px solid #dfe8e3;
    border-top: 5px solid var(--mtti-green);
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 12px 28px rgba(15, 58, 34, .09);
}

.org-person-card.org-level-1 { border-top-color: var(--mtti-gold); }
.org-person-card.org-level-2 { border-top-color: var(--mtti-red); }

.org-person-photo,
.org-person-avatar {
    display: grid;
    place-items: center;
    width: 82px;
    height: 82px;
    margin: 0 auto .9rem;
    border: 4px solid #edf5f0;
    border-radius: 50%;
    background: #e8f4ed;
    color: var(--mtti-green);
    font-size: 1.55rem;
    font-weight: 900;
}

.org-person-photo { object-fit: cover; }

.org-person-card h3 {
    margin: .35rem 0 0;
    color: var(--mtti-green-dark);
    font-size: 1.05rem;
    font-weight: 850;
    line-height: 1.35;
}

.org-position {
    display: block;
    color: var(--mtti-red);
    font-size: .76rem;
    font-weight: 850;
    letter-spacing: .055em;
    line-height: 1.35;
    text-transform: uppercase;
}

.status-label {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    border-radius: 999px;
    padding: .35rem .7rem;
    background: #e8f4ed;
    color: var(--mtti-green-dark);
    font-size: .78rem;
    font-weight: 800;
}

.information-panel { padding: clamp(1.5rem, 4vw, 2.5rem); background: linear-gradient(135deg, #fff, #edf7f1); }
.empty-panel { padding: 2rem; text-align: center; color: var(--mtti-muted); }
.post-body { white-space: pre-line; color: #37463e; font-size: 1.05rem; line-height: 1.85; }

.public-footer { background: #102018; color: #fff; padding: 2.4rem 0; }

@media (max-width: 767.98px) {
    .org-chart { overflow: visible; padding-inline: 0; }
    .org-chart .org-level {
        display: block;
        min-width: 0;
        padding: 0;
    }
    .org-chart .org-branch,
    .org-chart > .org-level > .org-branch {
        padding: 0 0 1rem;
        text-align: left;
    }
    .org-chart .org-branch::before,
    .org-chart .org-branch::after,
    .org-chart .org-branch > .org-level::before { display: none; }
    .org-chart .org-branch > .org-level {
        margin: .85rem 0 0 1rem;
        padding-left: 1rem;
        border-left: 2px solid #b8cbc0;
    }
    .org-person-card { width: 100%; min-height: 0; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
    * { scroll-behavior: auto !important; }
}