/* About page follows the official TTU page structure. */
.about-official { min-height: 100%; padding-bottom: 64px; background: #fafafa; }
.about-official__breadcrumb { margin-bottom: 20px; }
.about-official__body { position: relative; }
.about-official__layout { display: grid; grid-template-columns: var(--width-sidebar, 250px) minmax(0, 1fr); gap: 16px; align-items: start; }
.about-official__content { display: grid; gap: 16px; min-width: 0; }

.about-official__sidebar { position: sticky; top: calc(var(--height-header, 157px) + 20px); overflow: hidden; border: 1px solid #e9eaeb; border-radius: 14px; background: #fff; box-shadow: 0 4px 14px rgba(16, 24, 40, .035); }
.about-official__sidebar h2 { margin: 0; padding: 16px 14px; color: #fff; background: linear-gradient(to right, #e54519, #ff8c6c); font-size: 22px; font-weight: 600; line-height: 1.2; }
.about-official__sidebar nav { display: grid; }
.about-official__sidebar a { display: flex; align-items: center; gap: 8px; min-height: 50px; padding: 12px 14px; color: #414651; border-top: 1px solid #e9eaeb; font-size: 16px; font-weight: 400; line-height: 1.3; text-decoration: none; transition: color .2s ease, background-color .2s ease; }
.about-official__sidebar a:hover { color: #e54519; background: #fff8f5; }
.about-official__sidebar a.is-active { color: #e54519; font-weight: 500; }
.about-official__sidebar a.is-active span { width: 8px; height: 8px; flex: 0 0 8px; border-radius: 50%; background: #e54519; }

.about-official .about-page__info { margin: 0; }
.about-official .about-page__info--desc { color: #1d2939; }
.about-official .about-page__info--desc + .about-page__info--desc { margin-top: 9px; }

.about-official__intro-card {
    position: relative;
    overflow: hidden;
    padding: clamp(22px, 2.1vw, 32px) clamp(22px, 2.7vw, 38px);
    border: 1px solid rgba(229, 69, 25, .18);
    border-radius: 18px;
    background:
        radial-gradient(circle at 100% 0, rgba(229, 69, 25, .12), transparent 30%),
        linear-gradient(135deg, #fff 0%, #fffaf7 50%, #fff 100%);
    box-shadow: 0 20px 48px rgba(16, 24, 40, .075);
    isolation: isolate;
}
.about-official__intro-card::before {
    position: absolute;
    inset: 0 auto 0 0;
    width: 5px;
    content: '';
    background: linear-gradient(180deg, #e54519, #ff8c6c);
}
.about-official__intro-card::after {
    position: absolute;
    right: -80px;
    bottom: -96px;
    width: 240px;
    height: 240px;
    content: '';
    border: 34px solid rgba(229, 69, 25, .055);
    border-radius: 50%;
    z-index: -1;
}
.about-official__intro-card .about-page__info--tt {
    right: 24px;
    top: 10px;
    opacity: .07;
}
.about-official__intro-card .about-page__info--title {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #101828;
    font-family: "Inter", "Segoe UI", Arial, sans-serif;
    font-size: clamp(22px, 1.75vw, 30px);
    font-weight: 850;
    letter-spacing: -.035em;
}
.about-official__intro-card .about-page__info--title::before {
    width: 34px;
    height: 4px;
    flex: 0 0 34px;
    border-radius: 999px;
    content: '';
    background: #e54519;
}
.about-official__intro-card .about-page__info--desc {
    max-width: 1060px;
    color: #18263a;
    font-family: "Inter", "Segoe UI", Arial, sans-serif;
    font-size: clamp(16px, 1vw, 18px);
    font-weight: 450;
    line-height: 1.78;
}
.about-official__intro-card .about-page__info--desc:first-of-type {
    margin-top: 18px;
}
.about-official__intro-card .about-page__info--desc + .about-page__info--desc {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(229, 69, 25, .14);
}

.about-official__campus-image { height: 360px; margin: 0; overflow: hidden; border-radius: 16px; box-shadow: 0 16px 36px rgba(16, 24, 40, .08); }
.about-official__campus-image img { object-position: center; transition: transform .65s cubic-bezier(.22, 1, .36, 1), filter .65s ease; }
.about-official__campus-image:hover img { filter: saturate(1.06) contrast(1.03); transform: scale(1.035); }
.about-official__story-card {
    position: relative;
    overflow: hidden;
    scroll-margin-top: 190px;
    border-radius: 18px;
    box-shadow: 0 18px 46px rgba(16, 24, 40, .065);
    counter-reset: aboutStory;
}
.about-official__story-card::before {
    position: absolute;
    inset: 0 0 auto;
    height: 4px;
    content: '';
    background: linear-gradient(90deg, #e54519, #ff8c6c, rgba(229, 69, 25, .18));
}
.about-official__story-card .about-page__info--title {
    max-width: 820px;
    margin-bottom: 14px;
    color: #101828;
    font-family: "Inter", "Segoe UI", Arial, sans-serif;
    font-size: clamp(23px, 2.1vw, 34px);
    font-weight: 800;
    letter-spacing: -.045em;
}
.about-official__story-card .about-page__info--desc {
    color: #26384f;
    font-family: "Inter", "Segoe UI", Arial, sans-serif;
    font-size: 16px;
    font-weight: 450;
    line-height: 1.72;
}
.about-official__story-block {
    position: relative;
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 14px;
    padding: 18px 0;
    border-top: 1px solid #e7edf3;
    transition: background-color .22s ease, padding-left .22s ease;
}
.about-official__story-block:first-of-type { padding-top: 10px; border-top: 0; }
.about-official__story-block::before {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    margin-top: 1px;
    color: #e54519;
    border-radius: 50%;
    background: #fff3ee;
    content: counter(aboutStory, decimal-leading-zero);
    counter-increment: aboutStory;
    font-family: "Inter", "Segoe UI", Arial, sans-serif;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: -.02em;
}
.about-official__story-block:hover { padding-left: 8px; background: linear-gradient(90deg, rgba(229, 69, 25, .045), transparent 58%); }
.about-official__story-block h3 {
    grid-column: 2;
    margin: 0 0 8px;
    color: #e54519;
    font-family: "Inter", "Segoe UI", Arial, sans-serif;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -.025em;
    line-height: 1.25;
}
.about-official__story-block .about-page__info--desc { grid-column: 2; margin: 0; }
.about-official__story-block ul {
    grid-column: 2;
    display: grid;
    gap: 8px;
    margin: 12px 0 0;
    padding: 0;
    list-style: none;
}
.about-official__story-block li {
    position: relative;
    padding-left: 21px;
    color: #26384f;
    font-family: "Inter", "Segoe UI", Arial, sans-serif;
    font-size: 15px;
    font-weight: 450;
    line-height: 1.62;
}
.about-official__story-block li::before {
    position: absolute;
    top: .62em;
    left: 0;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    content: '';
    background: #e54519;
    box-shadow: 0 0 0 4px rgba(229, 69, 25, .1);
}

.about-official__facts { scroll-margin-top: 190px; overflow: hidden; border: 1px solid #e9eaeb; border-radius: 14px; background: #fff; }
.about-official__facts header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 19px 20px; border-bottom: 1px solid #e9eaeb; }
.about-official__facts header p { color: #e54519; font-size: 12px; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.about-official__facts h2 { color: #181d27; font-size: 22px; font-weight: 600; line-height: 1.2; }
.about-official__facts-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.about-official__facts-grid article { position: relative; display: grid; align-content: center; gap: 8px; min-height: 123px; padding: 18px 20px; overflow: hidden; border-left: 1px solid #e9eaeb; transition: background-color .25s ease, transform .25s cubic-bezier(.22, 1, .36, 1), box-shadow .25s ease; }
.about-official__facts-grid article::after { position: absolute; right: 0; bottom: 0; left: 0; height: 3px; content: ''; background: linear-gradient(90deg, #e54519, #ff8c6c); transform: scaleX(0); transform-origin: left; transition: transform .32s cubic-bezier(.22, 1, .36, 1); }
.about-official__facts-grid article:hover { z-index: 1; background: #fff8f5; box-shadow: 0 10px 18px rgba(229, 69, 25, .13); transform: translateY(-5px); }
.about-official__facts-grid article:hover::after { transform: scaleX(1); }
.about-official__facts-grid article:first-child { border-left: 0; }
.about-official__facts-grid strong { display: block; color: #e54519; font-size: 34px; font-weight: 700; letter-spacing: -.05em; line-height: 1; transform-origin: left center; transition: transform .28s cubic-bezier(.22, 1, .36, 1), color .28s ease; }
.about-official__facts-grid article:hover strong { color: #c83712; transform: scale(1.12); }
.about-official__facts-grid span { color: #344054; font-size: 13px; font-weight: 600; line-height: 1.4; }

.about-official__decree { display: grid; grid-template-columns: minmax(280px, .88fr) minmax(0, 1.12fr); overflow: hidden; scroll-margin-top: 190px; border: 1px solid #e9eaeb; border-radius: 14px; background: #fff; }
.about-official__decree > img { width: 100%; height: 100%; min-height: 338px; object-fit: cover; object-position: center; }
.about-official__decree > div { padding: 25px; }
.about-official__decree > div > p { display: flex; align-items: center; gap: 8px; margin: 0 0 10px; color: #e54519; font-size: 11px; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.about-official__decree > div > p::before { width: 26px; height: 2px; content: ''; background: #e54519; }
.about-official__decree h2 { margin: 0; color: #181d27; font-size: clamp(24px, 2.35vw, 34px); font-weight: 600; letter-spacing: -.035em; line-height: 1.16; }
.about-official__decree > div > span { display: block; margin-top: 14px; color: #1d2939; font-size: 15px; font-weight: 500; line-height: 1.58; }
.about-official__decree footer { display: flex; align-items: center; gap: 12px; margin-top: 17px; padding-top: 14px; border-top: 1px solid #e9eaeb; }
.about-official__decree footer > img { width: 42px; height: 42px; object-fit: contain; }
.about-official__decree footer div { display: grid; gap: 3px; }
.about-official__decree footer strong { color: #181d27; font-size: 15px; font-weight: 600; }
.about-official__decree footer small { color: #667085; font-size: 12px; font-weight: 500; }

.about-official__study { display: grid; grid-template-columns: minmax(0, .9fr) minmax(310px, 1.1fr); gap: 26px; scroll-margin-top: 190px; padding: 25px; border-radius: 14px; color: #fff; background: linear-gradient(115deg, #e54519, #ff8c6c); }
.about-official__study p { margin: 0 0 8px; color: rgba(255, 255, 255, .84); font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.about-official__study h2 { margin: 0; color: #fff; font-size: clamp(24px, 2.45vw, 33px); font-weight: 600; letter-spacing: -.04em; line-height: 1.12; }
.about-official__study > div > span { display: block; max-width: 510px; margin-top: 12px; color: rgba(255, 255, 255, .88); font-size: 14px; line-height: 1.55; }
.about-official__study-links { display: grid; gap: 10px; }
.about-official__study-links a { display: grid; gap: 5px; padding: 14px 15px; color: #181d27; border-radius: 9px; background: #fff; text-decoration: none; transition: transform .2s ease, background-color .2s ease; }
.about-official__study-links a:hover { color: #181d27; background: #fff5f1; transform: translateX(3px); }
.about-official__study-links small { color: #667085; font-size: 11px; font-weight: 500; }
.about-official__study-links strong { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 14px; font-weight: 600; }
.about-official__study-links i { color: #e54519; font-size: 19px; }

@media (max-width: 991px) {
    .about-official__layout { grid-template-columns: 1fr; }
    .about-official__sidebar { position: static; }
    .about-official__sidebar nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .about-official__sidebar a { border-right: 1px solid #e9eaeb; }
    .about-official__decree { grid-template-columns: minmax(250px, .8fr) minmax(0, 1.2fr); }
}

@media (max-width: 680px) {
    .about-official { padding-bottom: 40px; }
    .about-official__breadcrumb { margin-bottom: 16px; }
    .about-official__sidebar nav { grid-template-columns: 1fr; }
    .about-official__sidebar a { min-height: 44px; border-right: 0; }
    .about-official__campus-image { height: 250px; }
    .about-official__story-block { grid-template-columns: 1fr; gap: 8px; }
    .about-official__story-block::before,
    .about-official__story-block h3,
    .about-official__story-block .about-page__info--desc,
    .about-official__story-block ul { grid-column: 1; }
    .about-official__facts header { display: block; padding: 18px; }
    .about-official__facts h2 { margin-top: 7px; font-size: 20px; }
    .about-official__facts-grid { grid-template-columns: 1fr 1fr; }
    .about-official__facts-grid article { min-height: 105px; padding: 15px; border-top: 1px solid #e9eaeb; }
    .about-official__facts-grid article:nth-child(odd) { border-left: 0; }
    .about-official__facts-grid strong { font-size: 29px; }
    .about-official__decree, .about-official__study { grid-template-columns: 1fr; }
    .about-official__decree > img { min-height: 245px; }
    .about-official__decree > div, .about-official__study { padding: 20px; }
    .about-official__study { gap: 20px; }
}

@media (prefers-reduced-motion: reduce) {
    .about-official__study-links a,
    .about-official__campus-image img,
    .about-official__story-block,
    .about-official__facts-grid article,
    .about-official__facts-grid article::after,
    .about-official__facts-grid strong { transition: none; }
}