/*
 * STT Star Riau Library — premium OPAC layer
 * Brand family: e-Library + SLiMS, with a restrained Riau woven motif.
 */
:root {
  --stt-ink: #121713;
  --stt-ink-soft: #29322b;
  --stt-paper: #f1f0e8;
  --stt-paper-bright: #fbfaf6;
  --stt-surface: #fff;
  --stt-green: #23643a;
  --stt-green-deep: #113a25;
  --stt-green-bright: #5fbd3d;
  --stt-electric: #eaff3f;
  --stt-electric-soft: #f3ff9f;
  --stt-red: #ee2633;
  --stt-line: rgba(18, 23, 19, .13);
  --stt-muted: #657068;
  --stt-radius-sm: 12px;
  --stt-radius: 20px;
  --stt-radius-lg: 28px;
  --stt-shadow: 0 26px 70px rgba(18, 23, 19, .09);
  --stt-container: 1280px;
}

html { scroll-behavior: smooth; }
body.stt-site { overflow-x: hidden; background: var(--stt-paper); color: var(--stt-ink); font-family: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.6; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; }
.stt-site *, .stt-site *::before, .stt-site *::after { box-sizing: border-box; }
.stt-site h1, .stt-site h2, .stt-site h3, .stt-site h4, .stt-site h5, .stt-site h6 { color: var(--stt-ink); font-family: inherit; font-weight: 700; }
.stt-site a { transition: color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease; }
.stt-site img { max-width: 100%; }
.stt-site .container { width: min(100% - 56px, var(--stt-container)); max-width: var(--stt-container); padding-inline: 0; }
.stt-site :focus-visible { outline: 3px solid var(--stt-green); outline-offset: 3px; }
.stt-page-home .c-header :focus-visible,
.stt-home-hero :focus-visible,
.stt-institution-bar :focus-visible,
.stt-internal-masthead :focus-visible,
.stt-managed-home :focus-visible,
.stt-location-copy :focus-visible,
.stt-library-footer :focus-visible,
.stt-media-player:focus-visible,
.stt-media-player :focus-visible,
.stt-visitor-feedback :focus-visible,
.stt-guestbook__intro :focus-visible { outline-color: var(--stt-electric); }
.stt-category-card:focus-visible { outline-color: var(--stt-electric); outline-offset: 4px; }
.stt-home-hero .stt-search-form :focus-visible,
.stt-home-hero .stt-advanced-search :focus-visible,
.stt-internal-masthead .stt-nav-panel :focus-visible,
.stt-internal-masthead .stt-advanced-search :focus-visible,
.stt-library-footer .stt-footer-search :focus-visible,
.stt-managed-home .stt-service-band :focus-visible { outline-color: var(--stt-green-deep); }
.stt-site input:focus, .stt-site select:focus, .stt-site textarea:focus, .stt-site .form-control:focus { border-color: var(--stt-green); box-shadow: 0 0 0 4px rgba(35,100,58,.14); }
.stt-skip-link { position: fixed; top: 12px; left: 12px; z-index: 9999; padding: 10px 16px; border-radius: 999px; background: var(--stt-electric); color: var(--stt-ink); font-weight: 800; transform: translateY(-160%); }
.stt-skip-link:focus { color: var(--stt-ink); transform: translateY(0); }

/* Shared typography and actions */
.stt-section { padding-block: clamp(70px, 7.2vw, 96px); }
.stt-eyebrow { display: flex; align-items: center; gap: 13px; margin: 0 0 16px; color: var(--stt-green); font-size: .75rem; font-weight: 800; letter-spacing: .16em; line-height: 1.4; text-transform: uppercase; }
.stt-eyebrow::before { width: 30px; height: 3px; flex: 0 0 auto; background: var(--stt-electric); content: ""; }
.stt-section-heading { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr); align-items: end; gap: 48px; margin-bottom: clamp(32px, 4.5vw, 54px); }
.stt-section-heading h2 { max-width: 760px; margin: 0; font-size: clamp(2.3rem, 4.5vw, 4rem); line-height: 1.04; letter-spacing: -.055em; }
.stt-section-heading h2 em { color: var(--stt-green); font-family: "Newsreader", Georgia, serif; font-weight: 500; }
.stt-section-heading > p { max-width: 460px; margin: 0; color: var(--stt-muted); font-size: 1rem; line-height: 1.72; }
.stt-btn { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 10px; padding: 0 20px; border: 1px solid transparent; border-radius: 999px; font-size: .875rem; font-weight: 800; line-height: 1; text-decoration: none !important; }
.stt-btn--accent, .stt-btn--primary { background: var(--stt-electric); color: var(--stt-ink) !important; }
.stt-btn--accent:hover, .stt-btn--primary:hover { background: #fff; transform: translateY(-2px); }
.stt-btn--ghost { border-color: rgba(255,255,255,.34); background: rgba(18,23,19,.24); color: #fff !important; backdrop-filter: blur(10px); }
.stt-btn--ghost:hover { border-color: #fff; background: #fff; color: var(--stt-ink) !important; }
.stt-btn--dark { background: var(--stt-ink); color: #fff !important; }
.stt-btn--dark:hover { background: var(--stt-green); transform: translateY(-2px); }

/* Institution ribbon and navigation */
.stt-institution-bar { min-height: 36px; background: var(--stt-ink); color: rgba(255,255,255,.78); font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.stt-institution-bar__inner { width: min(100% - 56px, var(--stt-container)); min-height: 34px; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.stt-institution-bar__links { display: flex; align-items: center; gap: 24px; }
.stt-institution-bar a { color: var(--stt-electric); text-decoration: none; }
.stt-institution-bar a:hover { color: #fff; }
.c-header { position: relative; z-index: 50; width: 100%; }
.stt-page-home .c-header { position: absolute; inset: 0 0 auto; min-height: 0; background: transparent none; }
.stt-site:not(.stt-page-home) .c-header,
.stt-site .result-search .c-header,
.stt-site .member-area .c-header { min-height: 0; background: var(--stt-paper-bright) none; }
.stt-site .c-header .mask { display: none; }
.stt-navbar { width: min(100% - 56px, var(--stt-container)); min-height: 82px; margin-inline: auto; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.stt-page-home .stt-navbar { color: #fff; }
.stt-page-home .stt-navbar.is-scrolled { background: rgba(18,23,19,.94); }
.stt-brand { display: inline-flex; align-items: center; gap: 12px; margin-right: 30px; color: var(--stt-ink) !important; }
.stt-page-home .stt-brand { color: #fff !important; }
.stt-brand img { width: 50px; height: 50px; flex: 0 0 50px; object-fit: contain; border-radius: 50%; background: #fff; }
.stt-brand__copy { display: flex; flex-direction: column; line-height: 1.12; }
.stt-brand__copy strong { font-size: 1rem; letter-spacing: -.025em; }
.stt-brand__copy small { margin-top: 5px; color: var(--stt-green); font-size: .72rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.stt-page-home .stt-brand__copy small { color: var(--stt-electric); }
.stt-primary-nav { align-items: center; gap: 3px; }
.stt-primary-nav .nav-link { position: relative; display: flex; min-height: 44px; align-items: center; padding: 0 11px !important; color: var(--stt-ink-soft); font-size: .875rem; font-weight: 750; white-space: nowrap; }
.stt-page-home .stt-primary-nav .nav-link { color: rgba(255,255,255,.78); }
.stt-primary-nav .nav-link:hover, .stt-primary-nav .active > .nav-link { color: var(--stt-green); }
.stt-page-home .stt-primary-nav .nav-link:hover, .stt-page-home .stt-primary-nav .active > .nav-link { color: #fff; }
.stt-primary-nav .active > .nav-link::after { position: absolute; right: 11px; bottom: 4px; left: 11px; height: 2px; background: var(--stt-electric); content: ""; }
.stt-primary-nav .stt-nav-cta { margin-left: 8px; padding-inline: 16px !important; border: 1px solid var(--stt-green); border-radius: 999px; background: var(--stt-green); color: #fff !important; }
.stt-page-home .stt-primary-nav .stt-nav-cta { border-color: var(--stt-electric); background: var(--stt-electric); color: var(--stt-ink) !important; }
.stt-member-link img { width: 32px; height: 32px; margin-right: 8px; border-radius: 50%; object-fit: cover; }
.stt-dropdown-menu { padding: 10px; border: 1px solid var(--stt-line); border-radius: 14px; box-shadow: var(--stt-shadow); }
.stt-dropdown-menu .dropdown-item { min-height: 42px; display: flex; align-items: center; border-radius: 9px; font-size: .84rem; }
.stt-dropdown-menu .dropdown-item:hover { background: var(--stt-paper); color: var(--stt-green); }
.stt-menu-toggle { width: 48px; height: 44px; padding: 10px; border: 1px solid rgba(18,23,19,.2); border-radius: 12px; }
.stt-page-home .stt-menu-toggle { border-color: rgba(255,255,255,.38); }
.stt-menu-toggle span { display: block; width: 100%; height: 2px; margin: 5px 0; border-radius: 2px; background: var(--stt-ink); transition: transform .2s ease, opacity .2s ease; }
.stt-page-home .stt-menu-toggle span { background: #fff; }
.stt-menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.stt-menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.stt-menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.stt-menu-toggle { cursor: pointer; }
.stt-nav-open { overflow: hidden; }

/* Homepage hero */
.stt-home-hero { position: relative; min-height: clamp(620px, 78vh, 760px); overflow: hidden; display: flex; align-items: flex-end; background: var(--stt-ink); color: #fff; isolation: isolate; }
.stt-home-hero__media, .stt-home-hero__shade { position: absolute; inset: 0; }
.stt-home-hero__media { z-index: -3; }
.stt-home-hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: center 52%; }
.stt-home-hero__shade { z-index: -2; background: linear-gradient(90deg, rgba(9,18,12,.94) 0%, rgba(9,18,12,.78) 42%, rgba(9,18,12,.34) 70%, rgba(9,18,12,.58) 100%), linear-gradient(0deg, rgba(9,18,12,.7), transparent 48%); }
.stt-home-hero::after { position: absolute; right: -80px; bottom: -145px; z-index: -1; width: 450px; aspect-ratio: 1; border: 44px double rgba(234,255,63,.13); border-radius: 50%; content: ""; }
.stt-home-hero__inner { display: grid; grid-template-columns: minmax(0, 760px) minmax(210px, 1fr); align-items: end; gap: 58px; padding-top: 180px !important; padding-bottom: clamp(58px, 7vw, 86px) !important; }
.stt-home-hero__copy { min-width: 0; }
/* A restrained pucuk-rebung rhythm: a small Riau reference, not decoration for decoration's sake. */
.stt-home-hero__copy::after { display: block; width: 126px; height: 12px; margin-top: 26px; background: linear-gradient(135deg, transparent 34%, var(--stt-electric) 35% 51%, transparent 52%) 0 0 / 21px 12px; content: ""; opacity: .72; }
.stt-home-hero .stt-eyebrow { color: rgba(255,255,255,.78); }
.stt-home-hero h1 { max-width: 780px; margin: 0; color: #fff; font-size: clamp(3.5rem, 6.7vw, 6.3rem); font-weight: 700; line-height: .91; letter-spacing: -.067em; }
.stt-home-hero h1 span, .stt-home-hero h1 em { display: block; }
.stt-home-hero h1 em { color: var(--stt-electric); font-family: "Newsreader", Georgia, serif; font-weight: 500; }
.stt-home-hero__lead { max-width: 660px; margin: 24px 0 0; color: rgba(255,255,255,.76); font-size: clamp(1rem, 1.3vw, 1.13rem); line-height: 1.72; }
.stt-home-hero__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.stt-hours-card { align-self: end; padding: 24px; border: 1px solid rgba(255,255,255,.2); border-radius: 18px; background: rgba(18,23,19,.54); backdrop-filter: blur(14px); }
.stt-hours-card span, .stt-hours-card small { display: block; color: rgba(255,255,255,.64); font-size: .75rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.stt-hours-card strong { display: block; margin: 15px 0 13px; color: #fff; font-size: 1rem; line-height: 1.55; }

/* Hero search */
.stt-hero-search { position: relative; z-index: 20; width: min(100%, 720px); margin-top: 30px; }
.stt-hero-search__shell { position: relative; }
.stt-search-form { display: flex; min-height: 66px; overflow: hidden; border: 1px solid rgba(255,255,255,.24); border-radius: 16px; background: #fff; box-shadow: 0 24px 60px rgba(0,0,0,.22); }
.stt-search-form input { min-width: 0; flex: 1; padding: 0 20px; border: 0; outline: 0; background: transparent; color: var(--stt-ink); font: inherit; font-size: .96rem; }
.stt-search-form input::placeholder { color: #7a837c; }
.stt-search-form button { display: inline-flex; min-width: 148px; align-items: center; justify-content: center; gap: 10px; margin: 6px; padding: 0 18px; border: 0; border-radius: 11px; background: var(--stt-electric); color: var(--stt-ink); font: inherit; font-size: .875rem; font-weight: 800; }
.stt-search-form button:hover { background: var(--stt-green); color: #fff; }
.stt-search-tools { position: relative; width: fit-content; margin: 10px 0 0 auto; color: #fff; }
.stt-search-tools__toggle { display: inline-flex; min-height: 40px; align-items: center; gap: 7px; padding: 8px 2px; color: inherit; cursor: pointer; font-size: .76rem; list-style: none; }
.stt-search-tools__toggle::-webkit-details-marker { display: none; }
.stt-search-tools__toggle span { color: rgba(255,255,255,.7); }
.stt-search-tools__toggle strong { color: #fff; font-weight: 800; }
.stt-search-tools__toggle i { margin-left: 3px; font-size: .7rem; transition: transform .2s ease; }
.stt-search-tools[open] .stt-search-tools__toggle i { transform: rotate(180deg); }
.stt-advanced-search { position: absolute; top: calc(100% + 4px); right: 0; z-index: 120; width: min(680px, calc(100vw - 32px)); max-height: min(70vh, 520px); overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain; padding: 18px; border: 1px solid var(--stt-line); border-radius: 16px; background: #fff; color: var(--stt-ink); box-shadow: var(--stt-shadow); }
.stt-advanced-search fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
.stt-advanced-search legend { margin: 0 0 12px; color: var(--stt-muted); font-size: .7rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.stt-search-options { display: flex; flex-wrap: wrap; gap: 8px; }
.stt-search-options button { min-height: 40px; padding: 0 14px; border: 1px solid var(--stt-line); border-radius: 999px; background: #fff; color: var(--stt-ink-soft); font: inherit; font-size: .78rem; font-weight: 700; }
.stt-search-options button:hover, .stt-search-options button:focus-visible, .stt-search-options button.is-active { border-color: var(--stt-green); background: var(--stt-green); color: #fff; }
.stt-last-searches { display: grid; gap: 6px; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--stt-line); }
.stt-last-searches > span { color: var(--stt-muted); font-size: .72rem; font-weight: 800; text-transform: uppercase; }
.stt-last-searches[hidden] { display: none; }
.stt-last-searches ul { display: grid; gap: 3px; margin: 0; padding: 0; list-style: none; }
.stt-last-searches a { display: grid; min-height: 42px; align-items: center; grid-template-columns: auto minmax(0, 1fr) auto auto; gap: 9px; padding: 5px 7px; border-radius: 9px; color: var(--stt-ink-soft); font-size: .82rem; text-decoration: none; }
.stt-last-searches a:hover { background: var(--stt-paper); color: var(--stt-green); }
.stt-last-searches a span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.stt-last-searches a small { color: var(--stt-muted); font-size: .66rem; font-weight: 750; text-transform: uppercase; letter-spacing: .04em; }

/* Categories and collection modules */
.stt-home-content { background: var(--stt-paper-bright); }
.stt-category-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; margin: 0; padding: 0; list-style: none; }
.stt-category-grid li { grid-column: span 3; min-width: 0; }
.stt-category-grid li:first-child { grid-column: span 6; }
.stt-category-grid li:nth-child(4), .stt-category-grid li:nth-child(5) { grid-column: span 6; }
.stt-category-grid li:last-child { grid-column: span 12; }
.stt-category-card { position: relative; min-height: 280px; height: 100%; overflow: hidden; display: flex; width: 100%; align-items: flex-end; padding: 0; border: 0; border-radius: var(--stt-radius); background: var(--stt-ink); color: #fff !important; text-align: left; text-decoration: none !important; isolation: isolate; }
.stt-category-grid li:first-child .stt-category-card { min-height: 330px; }
.stt-category-card img, .stt-category-card__shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.stt-category-card img { z-index: -3; object-fit: cover; transition: transform .55s cubic-bezier(.2,.8,.2,1); }
.stt-category-card__shade { z-index: -2; background: linear-gradient(0deg, rgba(9,18,12,.9), rgba(9,18,12,.08) 70%); }
.stt-category-card__content { position: relative; z-index: 1; display: flex; max-width: calc(100% - 78px); flex-direction: column; padding: 26px; }
.stt-category-card__content small { margin-bottom: 10px; color: var(--stt-electric); font-size: .75rem; font-weight: 800; letter-spacing: .12em; }
.stt-category-card__content strong { color: #fff; font-size: clamp(1.22rem, 2vw, 1.65rem); line-height: 1.18; letter-spacing: -.035em; }
.stt-category-card__content > span { margin-top: 8px; color: rgba(255,255,255,.66); font-size: .82rem; }
.stt-category-card__arrow { position: absolute; right: 22px; bottom: 22px; z-index: 2; display: grid; width: 44px; height: 44px; place-items: center; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; font-size: 1.1rem; }
.stt-category-card:hover img { transform: scale(1.055); }
.stt-category-card:hover .stt-category-card__arrow { border-color: var(--stt-electric); background: var(--stt-electric); color: var(--stt-ink); }
.stt-category-card--all { min-height: 280px; background: var(--stt-green-deep); }
.stt-category-card__motif { position: absolute; inset: 0; opacity: .08; background: linear-gradient(135deg, transparent 43%, var(--stt-electric) 44%, transparent 45%) 0 0 / 52px 52px, linear-gradient(45deg, transparent 43%, rgba(255,255,255,.42) 44%, transparent 45%) 26px 26px / 52px 52px; -webkit-mask-image: linear-gradient(90deg, transparent, #000); mask-image: linear-gradient(90deg, transparent, #000); }
.stt-collection-section--new { background: var(--stt-paper); }
.stt-home-content slims-group-subject, .stt-home-content slims-collection, .stt-home-content slims-group-member { display: block; }
.stt-api-status { min-height: 90px; display: grid; place-items: center; margin: 18px 0 0; border: 1px dashed var(--stt-line); border-radius: 16px; color: var(--stt-muted); font-size: .86rem; text-align: center; }
.stt-api-status--error { color: #8b332d; }
.stt-api-topics { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; padding: 0; list-style: none; }
.stt-api-topics a { display: inline-flex; min-height: 40px; align-items: center; padding: 8px 15px; border: 1px solid #ccd3cb; border-radius: 999px; background: transparent; color: var(--stt-ink-soft); font-size: .78rem; font-weight: 700; text-decoration: none; }
.stt-api-topics a:hover, .stt-api-topics a:focus-visible { border-color: var(--stt-green); background: var(--stt-green); color: #fff; }
.stt-api-collection { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; margin-top: 22px; }
.stt-api-book { min-width: 0; }
.stt-api-book__link { display: block; height: 100%; overflow: hidden; border: 1px solid var(--stt-line); border-radius: 16px; background: #fff; color: var(--stt-ink); text-decoration: none; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.stt-api-book__link:hover, .stt-api-book__link:focus-visible { border-color: rgba(35,100,58,.45); color: var(--stt-green); transform: translateY(-4px); box-shadow: 0 18px 38px rgba(18,23,19,.1); }
.stt-api-book__cover { position: relative; display: grid; overflow: hidden; aspect-ratio: 4 / 5; place-items: center; background: linear-gradient(145deg, #e8ece7, #f7f8f5); }
.stt-api-book__cover img { position: absolute; inset: 0; width: 100%; height: 100%; padding: 10px; object-fit: contain; background: #f3f5f1; }
.stt-api-book__placeholder { color: #9aa49b; font-family: Newsreader, Georgia, serif; font-size: 1.35rem; font-weight: 650; letter-spacing: .08em; }
.stt-api-book__cover.has-image .stt-api-book__placeholder { display: none; }
.stt-api-book h3 { margin: 0; padding: 15px 15px 18px; color: inherit; font-family: Manrope, Arial, sans-serif; font-size: .86rem; font-weight: 750; line-height: 1.48; letter-spacing: -.015em; }
.stt-home-content .topics { margin-bottom: 22px; }
.stt-home-content .topics a, .stt-home-content .btn-rounded { min-height: 42px; padding: 9px 16px; border-color: #ccd3cb; border-radius: 999px; background: transparent; color: var(--stt-ink-soft); font-size: .78rem; }
.stt-home-content .topics a:hover, .stt-home-content .btn-rounded:hover { border-color: var(--stt-green); background: var(--stt-green); color: #fff; }
.stt-home-content .card { overflow: hidden; border: 1px solid var(--stt-line) !important; border-radius: 16px; background: #fff; box-shadow: none; }
.stt-home-content .card img { object-fit: cover; }

/* Secure, accessible modal integrations */
.stt-site .modal-backdrop { z-index: 1040; }
.stt-site .modal { z-index: 1050; }
.stt-site .modal-dialog { margin-top: clamp(28px, 8vh, 90px); }
.stt-site .modal-title { color: var(--stt-ink); font-family: Newsreader, Georgia, serif; font-weight: 650; letter-spacing: -.025em; }
.stt-site .modal-header .close { min-width: 44px; min-height: 44px; margin: -10px -10px -10px auto; border-radius: 50%; color: var(--stt-ink); }
.stt-modal-intro { color: var(--stt-muted); font-size: .86rem; line-height: 1.65; }
.stt-ddc-topic-list { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; margin: 0; padding: 0; list-style: none; }
.stt-ddc-topic-list a { display: flex; min-height: 178px; height: 100%; flex-direction: column; align-items: center; justify-content: center; padding: 16px 10px; border: 1px solid var(--stt-line); border-radius: 14px; background: var(--stt-paper-bright); color: var(--stt-ink-soft); text-align: center; text-decoration: none; }
.stt-ddc-topic-list a:hover, .stt-ddc-topic-list a:focus-visible { border-color: var(--stt-green); background: #fff; color: var(--stt-green); box-shadow: 0 12px 26px rgba(18,23,19,.08); }
.stt-ddc-topic-list img { width: 64px; height: 64px; margin-bottom: 10px; object-fit: contain; }
.stt-ddc-topic-list__number { margin-bottom: 5px; color: var(--stt-green); font-size: .65rem; font-weight: 850; letter-spacing: .08em; }
.stt-ddc-topic-list strong { font-size: .74rem; line-height: 1.4; }
.stt-share-modal .modal-dialog { max-width: 420px; }
.stt-share-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.stt-share-option { display: inline-flex; min-height: 48px; align-items: center; justify-content: flex-start; gap: 10px; padding: 10px 14px; border: 1px solid var(--stt-line); border-radius: 12px; background: #fff; color: var(--stt-ink-soft); font: inherit; font-size: .82rem; font-weight: 750; text-decoration: none; }
.stt-share-option:hover, .stt-share-option:focus-visible { border-color: var(--stt-green); background: var(--stt-green); color: #fff; text-decoration: none; }
.stt-oembed-frame { display: block; width: 100%; min-height: min(62vw, 620px); border: 0; border-radius: 14px; }
.fit-height { aspect-ratio: 65 / 83; }

/* Location, deliberately the final content block before footer */
.stt-location-section { position: relative; overflow: hidden; background: var(--stt-paper); }
.stt-location-section::before { position: absolute; top: -110px; left: -90px; width: 340px; aspect-ratio: 1; border: 36px double rgba(35,100,58,.08); border-radius: 50%; content: ""; }
.stt-location-card { position: relative; display: grid; grid-template-columns: 1.12fr .88fr; overflow: hidden; min-height: 500px; border-radius: var(--stt-radius-lg); background: #fff; box-shadow: var(--stt-shadow); }
.stt-location-map iframe { display: block; width: 100%; height: 100%; min-height: 500px; border: 0; filter: saturate(.8) contrast(1.04); }
.stt-location-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(34px, 5vw, 64px); background: var(--stt-green-deep); color: #fff; }
.stt-location-copy__label { color: var(--stt-electric); font-size: .75rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.stt-location-copy h3 { margin: 20px 0 18px; color: #fff; font-size: clamp(1.7rem, 2.8vw, 2.7rem); line-height: 1.1; letter-spacing: -.045em; }
.stt-location-copy__address { color: rgba(255,255,255,.74); font-size: .95rem; line-height: 1.75; }
.stt-location-copy__address a { color: var(--stt-electric); }
.stt-location-copy__address { display: flex; flex-direction: column; gap: 6px; margin: 0; font-style: normal; }
.stt-location-card--address-only { grid-template-columns: 1fr; }
.stt-location-card--address-only .stt-location-copy { max-width: 780px; }
.stt-location-copy__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 26px; }
.stt-location-copy .stt-btn--dark { background: var(--stt-electric); color: var(--stt-ink) !important; }
.stt-social-link { display: grid; width: 46px; height: 46px; place-items: center; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; color: #fff; }
.stt-social-link:hover { border-color: var(--stt-electric); background: var(--stt-electric); color: var(--stt-ink); }

/* Internal pages, catalogue, record detail, and controls */
.stt-site:not(.stt-page-home) .c-header { background: var(--stt-paper-bright); }
.stt-site:not(.stt-page-home) .stt-navbar { border-bottom-color: var(--stt-line); }
.stt-site:not(.stt-page-home) .stt-hero-search { width: min(100% - 56px, 860px); margin: 30px auto 0; }
.stt-site:not(.stt-page-home) .stt-search-tools { color: var(--stt-ink-soft); }
.stt-site:not(.stt-page-home) .stt-search-tools__toggle span { color: var(--stt-muted); }
.stt-site:not(.stt-page-home) .stt-search-tools__toggle strong { color: var(--stt-ink); }
.stt-internal-masthead { position: relative; z-index: 30; min-height: clamp(250px, 31vw, 370px); overflow: visible; isolation: isolate; background: var(--stt-ink); }
.stt-internal-masthead--compact { min-height: 120px; }
.stt-internal-masthead__media { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; max-width: none !important; object-fit: cover; object-position: center 47%; }
.stt-internal-masthead::after { position: absolute; inset: 0; z-index: -1; pointer-events: none; background: linear-gradient(104deg, rgba(7,17,11,.92) 0%, rgba(7,17,11,.75) 48%, rgba(7,17,11,.38) 100%), linear-gradient(0deg, rgba(7,17,11,.3), transparent 55%); content: ""; }
.stt-site:not(.stt-page-home) .stt-internal-masthead .c-header { background: transparent none; }
.stt-site:not(.stt-page-home) .stt-internal-masthead .stt-navbar { border-bottom-color: rgba(255,255,255,.2); }
.stt-internal-masthead .stt-brand { color: #fff !important; }
.stt-internal-masthead .stt-brand__copy small { color: var(--stt-electric); }
.stt-internal-masthead .stt-primary-nav .nav-link { color: rgba(255,255,255,.78); }
.stt-internal-masthead .stt-primary-nav .nav-link:hover,
.stt-internal-masthead .stt-primary-nav .active > .nav-link { color: #fff; }
.stt-internal-masthead .stt-primary-nav .stt-nav-cta { border-color: var(--stt-electric); background: var(--stt-electric); color: var(--stt-ink) !important; }
.stt-internal-masthead .stt-menu-toggle { border-color: rgba(255,255,255,.4); }
.stt-internal-masthead .stt-menu-toggle span { background: #fff; }
.stt-site:not(.stt-page-home) .stt-internal-masthead .stt-search-tools { color: #fff; }
.stt-site:not(.stt-page-home) .stt-internal-masthead .stt-search-tools__toggle span { color: rgba(255,255,255,.72); }
.stt-site:not(.stt-page-home) .stt-internal-masthead .stt-search-tools__toggle strong { color: #fff; }
.stt-internal-masthead .c-header { position: relative; z-index: 60; }
.stt-internal-masthead .stt-hero-search { z-index: 50; }
.stt-site:not(.stt-page-home) #main-content { scroll-margin-top: 120px; }
.stt-site:not(.stt-page-home) .s-main, .stt-site:not(.stt-page-home) main:not(.stt-guestbook) { min-height: 50vh; }
.stt-site:not(.stt-page-home) .s-main > .container, .stt-site:not(.stt-page-home) .container.py-4 { padding-block: clamp(30px, 5vw, 64px); }
.stt-internal-content { padding-bottom: clamp(44px, 6vw, 80px); }
.stt-page-title { margin: 0; font-size: clamp(2.1rem, 4.5vw, 4.3rem); line-height: 1.04; letter-spacing: -.055em; }
.stt-site .card.item { overflow: hidden; border: 1px solid var(--stt-line) !important; border-radius: 18px; background: #fff; box-shadow: 0 12px 34px rgba(18,23,19,.06) !important; }
.stt-site .card.item > .card-body { padding: 22px; }
.stt-site .card.item h5 { margin: 2px 0 10px; font-size: clamp(1.16rem, 1.8vw, 1.5rem); line-height: 1.3; letter-spacing: -.025em; }
.stt-site .card.item h5 a, .stt-site .grid-item--title { color: var(--stt-ink) !important; font-weight: 750; }
.stt-site .card.item h5 a:hover, .stt-site .grid-item--title:hover { color: var(--stt-green) !important; }
.stt-site .card.item .highlight, .stt-site .stt-detail-page .highlight { padding: 0 .08em; border-radius: 2px; background: rgba(234,255,63,.52); color: inherit !important; }
.stt-site .card.item img, .stt-site .grid-item img { width: 100%; max-height: 330px; object-fit: contain; background: var(--stt-paper); }
.stt-site .card.availability { border: 1px solid var(--stt-line) !important; border-radius: 14px; }
.stt-site .card.availability .value { color: var(--stt-green); font-size: 2rem; font-weight: 700; }
.stt-site .card.availability .label { color: var(--stt-muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; }
.stt-site .grid-item > .card { overflow: hidden; border: 1px solid var(--stt-line); border-radius: 16px; box-shadow: 0 12px 34px rgba(18,23,19,.05); }
.stt-site .grid-item--menu { z-index: 2; }
.stt-site .btn { min-height: 42px; border-radius: 10px; font-weight: 700; }
.stt-site .btn-primary { border-color: var(--stt-green); background: var(--stt-green); }
.stt-site .btn-primary:hover { border-color: var(--stt-green-deep); background: var(--stt-green-deep); }
.stt-site .btn-outline-primary { border-color: var(--stt-green); color: var(--stt-green); }
.stt-site .btn-outline-primary:hover { background: var(--stt-green); color: #fff; }
.stt-site .form-control { min-height: 48px; border-color: #ced5cd; border-radius: 11px; color: var(--stt-ink); }
.stt-site .pagination .page-link { min-width: 42px; min-height: 42px; display: grid; place-items: center; border-color: var(--stt-line); color: var(--stt-ink-soft); }
.stt-site .pagination .active .page-link { border-color: var(--stt-green); background: var(--stt-green); color: #fff; }
.stt-site blockquote.blockquote h1 { font-size: clamp(1.8rem, 3.6vw, 3.2rem); line-height: 1.08; letter-spacing: -.05em; }
.stt-detail-page { padding-block: clamp(32px, 5vw, 70px); }
.stt-detail-layout { gap: 20px; }
.stt-detail-cover > .bg-grey-light { padding: 28px; border-radius: 18px; background: var(--stt-paper); }
.stt-detail-cover img { width: 100%; height: auto; border-radius: 8px; }
.stt-site dl.row { overflow: hidden; margin-top: 18px; border: 1px solid var(--stt-line); border-radius: 14px; }
.stt-site dl.row dt, .stt-site dl.row dd { margin: 0; padding-block: 12px; border-bottom: 1px solid var(--stt-line); }
.stt-site dl.row dt { background: #f5f6f1; color: var(--stt-ink-soft); font-size: .78rem; }
.stt-site dl.row dd { color: var(--stt-ink); }
.stt-site .modal-content { border: 0; border-radius: 20px; box-shadow: var(--stt-shadow); }
.stt-site .modal-header, .stt-site .modal-footer { border-color: var(--stt-line); }
.stt-filter-toggle { display: none; }

/* Normalize legacy SLiMS controls into the STT Star design system. */
.stt-site .text-sm { font-size: .875rem; line-height: 1.5; }
.stt-site .text-xs { font-size: .8rem; line-height: 1.5; }
.stt-site .btn,
.stt-site button,
.stt-site input,
.stt-site select,
.stt-site textarea { font-family: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.stt-site .btn { font-size: .875rem; line-height: 1.35; }
.stt-site .form-control,
.stt-site .custom-select { font-size: .95rem; }
.stt-site .grid-item,
.stt-site #cboxTitle { font-family: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.stt-site .grid-item { min-width: 0; font-size: .875rem; line-height: 1.55; }
.stt-site .grid-item--title { overflow-wrap: anywhere; font-size: .9rem; line-height: 1.45; }
.stt-site .grid-item > .card { overflow: visible; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.stt-site .grid-item > .card > .p-5 { display: flex; min-height: 0; aspect-ratio: 4 / 5; align-items: center; justify-content: center; padding: 14px 18px 18px !important; background: transparent !important; }
.stt-site .grid-item > .card > .p-5 img { width: auto; max-width: 100%; height: 100%; max-height: none; border: 0; border-radius: 3px 16px 16px 3px; background: transparent; object-fit: contain; box-shadow: 0 16px 34px rgba(18,23,19,.14) !important; }
.stt-site .grid-item > .card > .card-body { padding: .7rem .25rem .55rem !important; }
.stt-site .grid-item .list-group { overflow: hidden; border: 1px solid var(--stt-line); border-radius: 10px; }
.stt-site .grid-item .list-group-item { min-width: 0; gap: 8px; border-color: var(--stt-line); background: rgba(255,255,255,.55); }
.stt-site .grid-item .list-group-item > * { min-width: 0; overflow-wrap: anywhere; }
.stt-site .grid-item--menu .dropdown-toggle { display: grid; width: 44px; height: 44px; place-items: center; border: 1px solid var(--stt-line); border-radius: 50%; background: rgba(251,250,246,.94); color: var(--stt-ink); }

.stt-site .biblioPaging { border-color: var(--stt-line); }
.stt-site .biblioPaging .pagingList { gap: 2px; padding: 3px; border: 1px solid var(--stt-line); background: rgba(18,23,19,.055); }
.stt-site .biblioPaging .pagingList b,
.stt-site .biblioPaging .pagingList a { min-width: 42px; min-height: 42px; padding: 9px 12px; color: var(--stt-ink-soft); font-size: .875rem; font-weight: 700; }
.stt-site .biblioPaging .pagingList b { border-color: var(--stt-green); background: var(--stt-green); color: #fff; box-shadow: none; }
.stt-site .biblioPaging .pagingList a:hover,
.stt-site .biblioPaging .pagingList a:focus-visible { color: var(--stt-green); }
.stt-site .page-member-area .memberButton,
.stt-site #loginForm .loginButton { min-height: 46px; border-color: var(--stt-green); border-radius: 10px; background: var(--stt-green); color: #fff; font-size: .875rem; font-weight: 750; }
.stt-site .page-member-area .memberButton:hover,
.stt-site #loginForm .loginButton:hover { border-color: var(--stt-green-deep); background: var(--stt-green-deep); color: #fff; box-shadow: none; }
.stt-site .jsonResultLink,
.stt-site .xmlResultLink { min-height: 42px; border: 1px solid var(--stt-green); border-radius: 10px; color: var(--stt-green); font-size: .875rem; font-weight: 700; }
.stt-site .jsonResultLink:hover,
.stt-site .xmlResultLink:hover { background: var(--stt-green); color: #fff; }
.stt-site .forgotButton,
.stt-site .sugestion .author { color: var(--stt-green); }
.stt-site .forgotButton:hover { color: var(--stt-green-deep); }
.stt-site .highlight { padding: 0 .08em; border-radius: 2px; background: rgba(234,255,63,.52); color: inherit !important; }
.stt-site .add-to-chart { background: rgba(17,58,37,.94); color: #fff; }
.stt-site button.add-to-chart,
.stt-site .stt-action-button,
.stt-site .grid-item--menu > button { border: 0; font: inherit; }
.stt-site .stt-action-button { display: inline-flex; min-height: 44px; align-items: center; gap: 7px; }
.stt-site .stt-action-button:not(.bg-success) { background: transparent; }
.stt-site .grid-item--menu > button { display: inline-flex; min-width: 44px; min-height: 44px; align-items: center; justify-content: center; background: transparent; color: inherit; }
.stt-site .stt-result-actions { margin-top: 18px; }
.stt-site .availability:hover .availability-content { filter: none; -webkit-filter: none; }
.stt-site .availability-item { padding: 10px 12px; border-radius: 8px; font-size: .78rem; font-weight: 750; line-height: 1.4; }
.stt-site .item-onloan,
.stt-site .item-notforloan { display: block; width: 100%; background: #f4e8e5; color: #6f3028; }
.stt-site .item-available { background: #e4f1e7; color: #174d2c; }
.stt-site .item-onreserve { background: #fff1b8; color: #5c4700; }

/* Editorial record detail treatment and safe long-content wrapping. */
.stt-detail-page,
.stt-detail-layout,
.stt-detail-layout > *,
.stt-detail-page .flex-1 { min-width: 0; }
.stt-detail-cover > .bg-grey-light { padding: 0; border-radius: 0; background: transparent; }
.stt-detail-cover > .bg-grey-light .shadow { box-shadow: none !important; }
.stt-detail-cover img { border-radius: 3px 18px 18px 3px; box-shadow: 0 20px 44px rgba(18,23,19,.16); }
.stt-detail-page dd,
.stt-detail-page p,
.stt-detail-page a,
.stt-detail-page td { overflow-wrap: anywhere; word-break: normal; }
.stt-detail-page table { max-width: 100%; }

/* Footer */
.stt-library-footer { position: relative; overflow: hidden; padding: 76px 0 30px !important; background: #0b1713; color: #dfe9e4; }
.stt-library-footer::before { position: absolute; inset: 0; pointer-events: none; opacity: .07; background: linear-gradient(135deg, transparent 45%, var(--stt-electric) 46%, transparent 47%) 0 0 / 40px 40px; content: ""; }
.stt-library-footer .container { position: relative; z-index: 1; }
.stt-library-footer > .container > .row { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, .8fr) minmax(0, 1fr) minmax(0, 1.1fr); gap: 55px; margin: 0; padding: 0 !important; }
.stt-library-footer .stt-footer-column { width: auto; max-width: none; min-width: 0; padding: 0; }
.stt-library-footer h4 { color: var(--stt-electric); font-size: .7rem; font-weight: 800; letter-spacing: .14em; line-height: 1.45; text-transform: uppercase; }
.stt-library-footer a { color: #eef6f2; text-decoration: none; }
.stt-library-footer a:hover, .stt-library-footer a:focus { color: var(--stt-electric); text-decoration: none; }
.stt-footer-logo { width: 60px; height: 60px; object-fit: contain; padding: 3px; border-radius: 50%; background: #fff; }
.stt-footer-name { color: #fff; font-size: 1rem; font-weight: 750; line-height: 1.42; }
.stt-footer-kicker { color: var(--stt-electric); font-size: .75rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.stt-footer-links { margin: 0; padding: 0; list-style: none; font-size: .82rem; line-height: 1.55; }
.stt-footer-links li { margin-bottom: .48rem; }
.stt-footer-copy, .stt-footer-contact { color: #b9c9c1; font-size: .86rem; line-height: 1.74; }
.stt-footer-copy p:last-child, .stt-footer-contact p:last-child { margin-bottom: 0; }
.stt-footer-contact strong { color: #fff; }
.stt-footer-contact a { color: var(--stt-electric); }
.stt-footer-search .form-control { min-height: 44px; border: 0; border-radius: 10px 0 0 10px; }
.stt-footer-search .btn { min-height: 44px; border-color: var(--stt-electric); border-radius: 0 10px 10px 0; background: var(--stt-electric); color: var(--stt-ink); }
.stt-footer-action { display: inline-flex; min-height: 44px; align-items: center; margin: 0 .35rem .45rem 0; padding: .55rem .8rem; border: 1px solid rgba(234,255,63,.42); border-radius: 999px; font-size: .82rem; font-weight: 750; }
.stt-footer-social { display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center; margin-right: .4rem; border-radius: 50%; background: rgba(255,255,255,.08); }
.stt-footer-bottom { margin-top: 48px !important; padding-top: 26px !important; border-top: 1px solid rgba(255,255,255,.14); color: #9fb1a8; font-size: .82rem; }
.stt-footer-bottom code { color: var(--stt-electric); }

@media (max-width: 1199.98px) {
  .stt-nav-panel { position: absolute; top: calc(100% - 1px); right: 0; left: 0; z-index: 100; padding: 14px; border: 1px solid var(--stt-line); border-radius: 0 0 18px 18px; background: #fff; box-shadow: var(--stt-shadow); }
  .stt-internal-masthead .stt-nav-panel { z-index: 200; max-height: calc(100vh - 112px); max-height: calc(100dvh - 112px); overflow-y: auto; overscroll-behavior: contain; }
  .stt-site .navbar-collapse.collapsing, .stt-site .navbar-collapse.collapse.show { margin-top: 0; padding: 14px; border-radius: 0 0 18px 18px; background: #fff; }
  .stt-primary-nav { align-items: stretch; gap: 2px; }
  .stt-primary-nav .nav-link, .stt-page-home .stt-primary-nav .nav-link {
    min-height: 52px; padding-inline: 14px !important; border-radius: 10px; color: var(--stt-ink-soft); font-size: .95rem; font-weight: 760; line-height: 1.2;
  }
  .stt-internal-masthead .stt-primary-nav .nav-link { color: var(--stt-ink-soft); }
  .stt-primary-nav .nav-link:hover, .stt-page-home .stt-primary-nav .nav-link:hover, .stt-primary-nav .active > .nav-link, .stt-page-home .stt-primary-nav .active > .nav-link { background: var(--stt-paper); color: var(--stt-green); }
  .stt-internal-masthead .stt-primary-nav .nav-link:hover, .stt-internal-masthead .stt-primary-nav .active > .nav-link { background: var(--stt-paper); color: var(--stt-green); }
  .stt-primary-nav .active > .nav-link::after { display: none; }
  .stt-primary-nav .stt-nav-cta, .stt-page-home .stt-primary-nav .stt-nav-cta { margin: 7px 0; background: var(--stt-electric); color: var(--stt-ink) !important; }
  .stt-language-menu .dropdown-menu,
  .stt-dropdown-menu { min-width: 220px; }
  .stt-dropdown-menu .dropdown-item { min-height: 42px; }
  .stt-home-hero__inner { grid-template-columns: minmax(0, 1fr) 230px; gap: 32px; }
}

@media (min-width: 761px) and (max-width: 1199.98px) {
  .stt-site .result-search .biblioResult.row { margin-inline: -8px; }
  .stt-site .result-search .biblioResult.row > .grid-item { width: 50%; max-width: 50%; flex: 0 0 50%; padding-inline: 8px !important; }
}

@media (max-width: 1050px) {
  .stt-home-hero__inner { grid-template-columns: 1fr; padding-top: 190px !important; }
  .stt-hours-card { max-width: 420px; }
  .stt-category-grid li, .stt-category-grid li:nth-child(4), .stt-category-grid li:nth-child(5) { grid-column: span 6; }
  .stt-category-grid li:first-child { grid-column: span 12; }
  .stt-category-grid li:last-child { grid-column: span 12; }
  .stt-location-card { grid-template-columns: 1fr; }
  .stt-location-map iframe { min-height: 390px; }
  .stt-api-collection { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .stt-ddc-topic-list { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .stt-library-footer > .container > .row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 48px 36px; }
}

@media (max-width: 760px) {
  body.stt-site { font-size: 16px; }
  .stt-site .container, .stt-navbar, .stt-institution-bar__inner { width: min(100% - 32px, var(--stt-container)); }
  .stt-section { padding-block: 70px; }
  .stt-section-heading { grid-template-columns: 1fr; gap: 18px; }
  .stt-section-heading h2 { font-size: clamp(2.45rem, 12vw, 4rem); }
  .stt-institution-bar__inner { justify-content: center; text-align: center; }
  .stt-institution-bar__links { display: none; }
  .stt-navbar { min-height: 74px; }
  .stt-brand img { width: 44px; height: 44px; flex-basis: 44px; }
  .stt-brand__copy strong { font-size: .92rem; }
  .stt-home-hero { min-height: 700px; }
  .stt-home-hero__inner { padding-top: 164px !important; padding-bottom: 48px !important; }
  .stt-home-hero h1 { font-size: clamp(3.25rem, 16vw, 5.4rem); }
  .stt-home-hero__lead { margin-top: 18px; font-size: .98rem; }
  .stt-search-form { display: grid; min-height: 0; grid-template-columns: minmax(0, 1fr); gap: 6px; padding: 6px; overflow: visible; border-radius: 18px; }
  .stt-search-form input { width: 100%; min-height: 52px; padding-inline: 15px; font-size: .95rem; }
  .stt-search-form button { width: 100%; min-width: 0; min-height: 48px; margin: 0; padding: 0 15px; }
  .stt-search-form button span { display: inline; }
  .stt-search-tools { width: 100%; }
  .stt-search-tools__toggle { margin-left: auto; }
  .stt-advanced-search { right: 0; width: 100%; max-height: calc(100vh - 156px); max-height: calc(100dvh - 156px); }
  .stt-last-searches a { grid-template-columns: auto minmax(0, 1fr) auto; }
  .stt-last-searches a small { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
  .stt-home-hero__actions .stt-btn { flex: 1 1 calc(50% - 10px); }
  .stt-hours-card { display: none; }
  .stt-category-grid { gap: 12px; }
  .stt-category-grid li, .stt-category-grid li:nth-child(4), .stt-category-grid li:nth-child(5) { grid-column: span 6; }
  .stt-category-grid li:first-child { grid-column: span 12; }
  .stt-category-grid li:last-child { grid-column: span 12; }
  .stt-category-card, .stt-category-card--all, .stt-category-grid li:first-child .stt-category-card { min-height: 230px; }
  .stt-category-grid li:first-child .stt-category-card { min-height: 280px; }
  .stt-category-card__content { max-width: calc(100% - 58px); padding: 20px; }
  .stt-category-card__arrow { right: 16px; bottom: 16px; width: 40px; height: 40px; }
  .stt-api-collection { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
  .stt-api-book h3 { padding: 12px 12px 15px; font-size: .8rem; }
  .stt-ddc-topic-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .stt-share-options { grid-template-columns: minmax(0, 1fr); }
  .stt-location-card { border-radius: 20px; }
  .stt-location-map iframe { min-height: 310px; }
  .stt-location-copy { padding: 34px 26px; }
  .stt-site .card.item > .card-body { padding: 16px; }
  .stt-site:not(.stt-page-home) .stt-hero-search { width: min(100% - 32px, 860px); margin-top: 22px; }
  .stt-internal-masthead { min-height: 310px; }
  .stt-internal-masthead--compact { min-height: 108px; }
  .stt-filter-toggle { display: inline-flex; width: calc(100% - 30px); min-height: 48px; align-items: center; justify-content: center; gap: 10px; margin: 0 15px 18px; border: 1px solid var(--stt-green); border-radius: 12px; background: var(--stt-green); color: #fff; font: inherit; font-size: .875rem; font-weight: 800; }
  .stt-js .stt-catalog-filter { display: none; width: 100%; max-width: 100%; flex: 0 0 100%; margin-bottom: 22px; }
  .stt-js .stt-catalog-filter.is-open { display: block; }
  .stt-site .result-search .container.mt-5 > .row { margin-inline: 0; }
  .stt-site .result-search .container.mt-5 > .row > .col-md-9 { width: 100%; max-width: 100%; min-width: 0; flex: 0 0 100%; padding-inline: 0; }
  .stt-site .result-search .col-md-9 > .d-flex { flex-wrap: wrap; gap: 14px; }
  .stt-site .result-search .col-md-9 > .d-flex > div:first-child { width: 100%; min-width: 0; }
  .stt-site .result-search .col-md-9 > .d-flex > .form-inline { display: grid; width: 100%; min-width: 0; grid-template-columns: auto minmax(0, 1fr) auto; gap: 8px; padding-left: 0 !important; }
  .stt-site .result-search .form-inline label,
  .stt-site .result-search .form-inline form { margin: 0 !important; }
  .stt-site .result-search .form-inline .custom-select { width: 100%; min-width: 0; }
  .stt-site .result-search .wrapper,
  .stt-site .result-search .biblioResult { min-width: 0; max-width: 100%; }
  .stt-site .result-search .biblioResult.row { margin-inline: -6px; }
  .stt-site .result-search .grid-item { width: 50%; max-width: 50%; flex: 0 0 50%; padding-inline: 6px !important; }
  .stt-site .grid-item > .card > .p-5 { padding: 10px 12px 14px !important; }
  .stt-site .grid-item .list-group-item { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); font-size: .75rem; }
  .stt-site .card.item > .card-body > .row > [class*="col-"] { width: 100%; max-width: 100%; flex: 0 0 100%; }
  .stt-site .card.item > .card-body > .row > .col-4.col-md-2 { width: 116px; max-width: 116px; flex-basis: 116px; }
  .stt-site .card.item > .card-body > .row > .col-8.col-md-8 { width: calc(100% - 116px); max-width: calc(100% - 116px); flex-basis: calc(100% - 116px); padding-left: 12px; }
  .stt-site .card.item > .card-body > .row { margin-inline: 0; }
  .stt-site .card.item > .card-body > .row > .col-4.col-md-2 { padding-inline: 0; }
  .stt-site .card.item .authors, .stt-site .card.item p { font-size: .875rem; }
  .stt-site .card.item .authors .btn { max-width: 100%; height: auto; min-height: 40px; white-space: normal; overflow-wrap: anywhere; }
  .stt-site .card.item .col-8 > .d-flex.flex-row { flex-wrap: wrap; gap: 4px; }
  .stt-site .card.item .col-8 > .d-flex.flex-row > a,
  .stt-site .card.item .col-8 > .d-flex.flex-row > button { display: inline-flex; min-height: 40px; align-items: center; gap: 6px; margin: 0 !important; }
  .stt-site .member-area > div > .d-flex { min-width: 0; flex-direction: column; }
  .stt-site .member-area #member_sidebar { display: grid; width: 100% !important; grid-template-columns: minmax(96px, 132px) minmax(0, 1fr); align-items: center; gap: 12px; }
  .stt-site .member-area #member_sidebar > .p-4 { grid-row: 1 / span 2; margin: 0; padding: 0 !important; }
  .stt-site .member-area #member_sidebar > .btn { min-width: 0; margin: 0 !important; white-space: normal; }
  .stt-site .member-area #member_sidebar > .stt-member-logout-form { min-width: 0; margin: 0 !important; }
  .stt-site .member-area #member_sidebar > .stt-member-logout-form .btn { margin: 0 !important; white-space: normal; }
  .stt-site .member-area #member_content { width: 100%; min-width: 0; padding: 24px !important; }
  .stt-site .member-area #member_content h1 { overflow-wrap: anywhere; }
  .stt-site .member-area #member_content #info { width: 100% !important; }
  .stt-site .member-area #member_content .nav-tabs { flex-wrap: nowrap; overflow-x: auto; overscroll-behavior-inline: contain; -webkit-overflow-scrolling: touch; }
  .stt-site .member-area #member_content .nav-tabs .nav-item { flex: 0 0 auto; }
  .stt-site .member-area #member_content .nav-tabs .nav-link { display: flex; min-height: 44px; align-items: center; white-space: nowrap; }
  .stt-site .member-area #member_content .bg-white { max-width: 100%; overflow-x: auto; }
  .stt-site .page-member-area .container > .row > [class*="col-"] { width: 100%; max-width: 100%; flex: 0 0 100%; }
  .stt-site blockquote.blockquote h1 { font-size: 2rem; }
  .stt-detail-layout { display: block; }
  .stt-detail-cover { width: min(100%, 280px); margin: 0 auto 28px; }
  .stt-detail-cover > .d-flex { flex-wrap: wrap; gap: 8px; }
  .stt-detail-cover > .d-flex > a,
  .stt-detail-cover > .d-flex > button { display: inline-flex; min-height: 44px; align-items: center; gap: 7px; margin: 0 !important; padding: 8px 10px !important; }
  .stt-detail-page dl.row { margin-inline: 0; }
  .stt-site dl.row dt, .stt-site dl.row dd { padding-inline: 14px; }
  .stt-library-footer { padding: 64px 0 28px !important; }
  .stt-library-footer > .container > .row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 28px; }
  .stt-library-footer .stt-footer-column { margin-bottom: 0; }
  .stt-library-footer .stt-footer-column:first-child,
  .stt-library-footer .stt-footer-column:last-child { grid-column: 1 / -1; }
  .stt-footer-bottom { display: block !important; text-align: left; }
  .stt-footer-bottom > * { margin-bottom: .35rem; text-align: left !important; }
}

@media (max-width: 520px) {
  .stt-api-collection { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stt-ddc-topic-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 480px) {
  .stt-site .result-search .biblioResult.row > .grid-item { width: 100%; max-width: 100%; flex-basis: 100%; }
  .stt-site .member-area #member_sidebar { grid-template-columns: minmax(0, 1fr); }
  .stt-site .member-area #member_sidebar > .p-4 { grid-row: auto; width: min(132px, 45vw); margin-inline: auto; }
  .stt-site .member-area #member_content { padding: 20px 14px !important; }
}

@media (max-width: 390px) {
  .stt-site .container, .stt-navbar, .stt-institution-bar__inner { width: min(100% - 24px, var(--stt-container)); }
  .stt-brand__copy strong { font-size: .9rem; }
  .stt-brand__copy small { font-size: .68rem; }
  .stt-home-hero__actions .stt-btn { flex-basis: 100%; }
  .stt-category-grid li,
  .stt-category-grid li:first-child,
  .stt-category-grid li:nth-child(4),
  .stt-category-grid li:nth-child(5),
  .stt-category-grid li:last-child { grid-column: span 12; }
  .stt-category-card__content { padding: 22px; }
  .stt-search-tools__toggle { width: 100%; justify-content: flex-end; }
  .stt-search-options button { flex: 1 1 calc(50% - 8px); }
  .stt-site .result-search .col-md-9 > .d-flex > .form-inline { grid-template-columns: minmax(0, 1fr) auto; }
  .stt-site .result-search .form-inline label { grid-column: 1 / -1; }
  .stt-site .result-search .grid-item { width: 100%; max-width: 100%; flex-basis: 100%; }
  .stt-library-footer > .container > .row { grid-template-columns: minmax(0, 1fr); }
  .stt-library-footer .stt-footer-column:first-child,
  .stt-library-footer .stt-footer-column:last-child { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .stt-site *, .stt-site *::before, .stt-site *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

/* --------------------------------------------------------------------------
   2026-08-22 visual refinement — generous reading rhythm, restrained depth
   Content remains data-driven by SLiMS and the STT Star Library admin module.
   -------------------------------------------------------------------------- */
:root {
  --stt-navy: #0b1726;
  --stt-navy-soft: #13283d;
  --stt-paper-warm: #f5f3e9;
  --stt-surface-soft: #f9f8f2;
  --stt-shadow-card: 0 14px 42px rgba(11, 23, 38, .075);
}

body.stt-site {
  font-size: 16.5px;
  line-height: 1.66;
}

.stt-institution-bar {
  min-height: 42px;
  background: var(--stt-navy);
  font-size: .82rem;
  letter-spacing: .085em;
}

.stt-institution-bar__inner { min-height: 42px; }
.stt-institution-bar__links { gap: 30px; }
.stt-navbar { min-height: 92px; padding-block: 15px; }
.stt-brand { gap: 14px; }
.stt-brand img { width: 56px; height: 56px; flex-basis: 56px; }
.stt-brand__copy strong { font-size: 1.08rem; }
.stt-brand__copy small { font-size: .76rem; line-height: 1.35; }
.stt-primary-nav .nav-link { min-height: 46px; font-size: .9rem; }

.stt-home-hero {
  min-height: clamp(680px, 82vh, 820px);
  background: var(--stt-navy);
}

.stt-home-hero__shade {
  background:
    linear-gradient(90deg, rgba(7,17,29,.95) 0%, rgba(7,17,29,.82) 43%, rgba(9,24,20,.42) 72%, rgba(7,17,29,.62) 100%),
    linear-gradient(0deg, rgba(7,17,29,.76), transparent 52%);
}

.stt-home-hero__inner {
  grid-template-columns: minmax(0, 790px) minmax(220px, 1fr);
  gap: 68px;
  padding-top: 200px !important;
  padding-bottom: clamp(66px, 7.4vw, 96px) !important;
}

.stt-home-hero h1 {
  max-width: 790px;
  font-size: clamp(3.55rem, 5.85vw, 5.75rem);
  line-height: .965;
  letter-spacing: -.057em;
}

.stt-home-hero h1 em {
  margin-top: .17em;
  line-height: 1;
  letter-spacing: -.045em;
}

.stt-home-hero__lead {
  max-width: 680px;
  margin-top: 28px;
  font-size: clamp(1.03rem, 1.25vw, 1.16rem);
  line-height: 1.74;
}

.stt-section { padding-block: clamp(76px, 7vw, 104px); }
.stt-eyebrow { margin-bottom: 18px; font-size: .8rem; letter-spacing: .15em; }
.stt-section-heading { gap: clamp(36px, 5vw, 70px); margin-bottom: clamp(38px, 4.7vw, 62px); }
.stt-section-heading h2 { font-size: clamp(2.55rem, 4.35vw, 4.15rem); line-height: 1.03; }
.stt-section-heading > p { font-size: 1.04rem; line-height: 1.78; }

.stt-collection-section { isolation: isolate; }
.stt-collection-section.container {
  margin-block: clamp(34px, 5vw, 72px);
  padding: clamp(54px, 5.2vw, 74px) clamp(22px, 3.2vw, 44px);
  border: 1px solid rgba(11, 23, 38, .09);
  border-radius: 30px;
  background:
    radial-gradient(circle at 96% 4%, rgba(234,255,63,.16), transparent 22%),
    linear-gradient(145deg, #fff 0%, #f7f6ef 100%);
  box-shadow: 0 30px 80px rgba(11, 23, 38, .055);
}

.stt-collection-section--new {
  border-block: 1px solid rgba(11,23,38,.08);
  background:
    linear-gradient(120deg, rgba(234,255,63,.06), transparent 30%),
    var(--stt-paper-warm);
}

.stt-collection-section--new > .container {
  position: relative;
}

.stt-collection-section--new > .container::before {
  position: absolute;
  top: -28px;
  right: 0;
  width: 112px;
  height: 12px;
  opacity: .5;
  background: linear-gradient(135deg, transparent 34%, var(--stt-green) 35% 51%, transparent 52%) 0 0 / 21px 12px;
  content: "";
}

.stt-api-topics { gap: 10px; margin-bottom: 30px; }
.stt-api-topics a {
  min-height: 44px;
  padding: 9px 17px;
  border-color: rgba(11,23,38,.16);
  background: rgba(255,255,255,.64);
  font-size: .86rem;
  line-height: 1.35;
}

.stt-api-collection { gap: clamp(16px, 1.6vw, 24px); margin-top: 26px; }
.stt-api-book__link {
  position: relative;
  border-color: rgba(11,23,38,.11);
  border-radius: 21px;
  background: rgba(255,255,255,.94);
  box-shadow: var(--stt-shadow-card);
}

.stt-api-book__link::after {
  position: absolute;
  right: 18px;
  bottom: 13px;
  width: 24px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--stt-electric), var(--stt-green));
  content: "";
  opacity: .7;
}

.stt-api-book__link:hover,
.stt-api-book__link:focus-visible {
  border-color: rgba(35,100,58,.48);
  color: var(--stt-green-deep);
  transform: translateY(-5px);
  box-shadow: 0 24px 55px rgba(11,23,38,.14);
}

.stt-api-book__cover {
  aspect-ratio: 4 / 5.12;
  border-bottom: 1px solid rgba(11,23,38,.08);
  background:
    radial-gradient(circle at 75% 15%, rgba(234,255,63,.18), transparent 28%),
    linear-gradient(145deg, #edf0eb, #faf9f4);
}

.stt-api-book__cover img { padding: 13px; background: transparent; }
.stt-api-book__placeholder { color: #717b76; font-size: 1.15rem; letter-spacing: .12em; }
.stt-api-book h3 {
  min-height: 96px;
  padding: 18px 18px 29px;
  font-size: 1rem;
  font-weight: 760;
  line-height: 1.47;
  letter-spacing: -.018em;
}

/* Catalogue and internal pages share the brand language without copying the hero. */
.stt-site:not(.stt-page-home) .stt-internal-masthead {
  background:
    radial-gradient(circle at 90% 0, rgba(234,255,63,.14), transparent 25%),
    linear-gradient(135deg, var(--stt-navy), #102b2a);
}

.stt-site .result-search .container.mt-5 { margin-top: clamp(34px, 5vw, 70px) !important; }
.stt-site .result-search .col-md-9 > .d-flex {
  align-items: center;
  gap: 18px;
  margin-bottom: 24px;
  padding: 18px 20px;
  border: 1px solid rgba(11,23,38,.09);
  border-radius: 16px;
  background: rgba(255,255,255,.75);
  box-shadow: 0 10px 32px rgba(11,23,38,.045);
}

.stt-site .card.item {
  position: relative;
  border-color: rgba(11,23,38,.1) !important;
  border-radius: 22px;
  box-shadow: 0 16px 46px rgba(11,23,38,.075) !important;
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.stt-site .card.item::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--stt-electric), var(--stt-green));
  content: "";
  opacity: .74;
}

.stt-site .card.item:hover {
  border-color: rgba(35,100,58,.28) !important;
  box-shadow: 0 22px 58px rgba(11,23,38,.11) !important;
  transform: translateY(-2px);
}

.stt-site .card.item > .card-body { padding: 26px 28px; }
.stt-site .card.item h5 { font-size: clamp(1.2rem, 1.55vw, 1.48rem); line-height: 1.35; }
.stt-site .card.item img,
.stt-site .grid-item img { border-radius: 12px !important; background: var(--stt-surface-soft); }

.stt-site .pagination { gap: 7px; margin-top: 34px; }
.stt-site .pagination .page-link {
  min-width: 44px;
  min-height: 44px;
  display: inline-grid;
  place-items: center;
  border-color: rgba(11,23,38,.13);
  border-radius: 10px !important;
  background: #fff;
  color: var(--stt-navy);
}

.stt-site .pagination .active .page-link {
  border-color: var(--stt-navy);
  background: var(--stt-navy);
  color: var(--stt-electric);
}

.stt-site .pagingList {
  display: flex !important;
  max-width: 100%;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin-top: 34px;
}

.stt-site .pagingList > a,
.stt-site .pagingList > b {
  position: static !important;
  display: inline-grid;
  min-width: 42px;
  min-height: 42px;
  place-items: center;
  margin: 0 !important;
  padding: 7px 12px;
  border: 1px solid rgba(11,23,38,.13);
  border-radius: 10px;
  background: #fff;
  color: var(--stt-navy);
  font-weight: 750;
  line-height: 1.25;
  text-decoration: none;
}

.stt-site .pagingList > b {
  border-color: var(--stt-navy);
  background: var(--stt-navy);
  color: var(--stt-electric);
}

.stt-site .pagingList > .next_link,
.stt-site .pagingList > .last_link { width: auto; }

/* Legacy librarian markup, normalized into the same responsive card system. */
.stt-site .stt-internal-content > .flex.flex-row.flex-wrap {
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.stt-site .librarian {
  display: grid !important;
  width: auto !important;
  grid-template-columns: 144px minmax(0, 1fr);
  gap: 22px;
  margin: 0 !important;
  padding: 24px;
  border: 1px solid rgba(11,23,38,.1);
  border-radius: 20px;
  background: rgba(255,255,255,.82);
  box-shadow: 0 14px 40px rgba(11,23,38,.06);
}

.stt-site .librarian > [class*="span"],
.stt-site .librarian .row-fluid > [class*="span"] {
  width: auto !important;
  min-width: 0;
  margin: 0 !important;
}

.stt-site .librarian .librarian-image {
  overflow: hidden;
  width: 100%;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(145deg, #e8ede9, #f8f8f2);
}

.stt-site .librarian .librarian-image img {
  width: 100%;
  height: 100%;
  padding: 12px;
  object-fit: contain;
}

.stt-site .librarian > .span8 > .row-fluid {
  display: grid !important;
  width: 100%;
  grid-template-columns: minmax(110px, .28fr) minmax(0, 1fr);
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(11,23,38,.08);
}

.stt-site .librarian > .span8 > .row-fluid:last-child { border-bottom: 0; }
.stt-site .librarian .key { color: var(--stt-navy); font-weight: 780; }
.stt-site .librarian .span7,
.stt-site .librarian .span9 {
  min-width: 0;
  overflow-wrap: break-word;
  word-break: normal;
}

@media (max-width: 1100px) {
  .stt-site .stt-internal-content > .flex.flex-row.flex-wrap {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 1050px) {
  .stt-home-hero__inner { grid-template-columns: minmax(0, 1fr); gap: 34px; }
  .stt-home-hero h1 { max-width: 850px; }
  .stt-hours-card { width: min(100%, 560px); }
  .stt-api-collection { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  body.stt-site { font-size: 16px; }
  .stt-institution-bar { font-size: .74rem; letter-spacing: .06em; }
  .stt-institution-bar__inner { align-items: center; gap: 12px; }
  .stt-institution-bar__links { gap: 14px; }
  .stt-navbar { min-height: 80px; padding-block: 12px; }
  .stt-brand img { width: 50px; height: 50px; flex-basis: 50px; }
  .stt-home-hero { min-height: 720px; }
  .stt-home-hero__inner { padding-top: 172px !important; padding-bottom: 54px !important; }
  .stt-home-hero h1 { font-size: clamp(3.05rem, 14vw, 4.6rem); line-height: .99; letter-spacing: -.052em; }
  .stt-home-hero__lead { margin-top: 24px; font-size: 1rem; line-height: 1.68; }
  .stt-section { padding-block: 68px; }
  .stt-section-heading { gap: 18px; margin-bottom: 36px; }
  .stt-section-heading h2 { font-size: clamp(2.25rem, 10.7vw, 3.3rem); line-height: 1.04; }
  .stt-section-heading > p { font-size: 1rem; line-height: 1.7; }
  .stt-collection-section.container { width: min(100% - 24px, var(--stt-container)); margin-block: 24px; padding: 48px 18px; border-radius: 24px; }
  .stt-api-collection { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .stt-api-topics { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x proximity; }
  .stt-api-topics li { flex: 0 0 auto; scroll-snap-align: start; }
  .stt-api-book h3 { min-height: 94px; padding: 15px 14px 27px; font-size: .91rem; line-height: 1.48; }
  .stt-api-book__cover img { padding: 9px; }
  .stt-site .result-search .col-md-9 > .d-flex { padding: 15px; }
  .stt-site .card.item > .card-body { padding: 18px; }
  .stt-site .card.item h5 { font-size: 1.14rem; line-height: 1.38; }
  .stt-site .librarian { grid-template-columns: minmax(0, 1fr); gap: 20px; padding: 18px; }
  .stt-site .librarian > .span2 { width: min(100%, 170px) !important; }
  .stt-site .librarian > .span8 > .row-fluid { grid-template-columns: minmax(88px, .34fr) minmax(0, 1fr); gap: 12px; }
}

@media (max-width: 390px) {
  .stt-institution-bar__inner > span { max-width: 52%; line-height: 1.35; }
  .stt-brand__copy strong { font-size: .96rem; }
  .stt-brand__copy small { font-size: .7rem; }
  .stt-home-hero h1 { font-size: clamp(2.82rem, 13.2vw, 3.45rem); }
  .stt-api-book h3 { min-height: 90px; font-size: .88rem; }
  .stt-site .librarian > .span8 > .row-fluid {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
}
/* --------------------------------------------------------------------------
   Standalone location and multimedia routes
   -------------------------------------------------------------------------- */
.stt-standalone-location .stt-location-section {
  padding-top: clamp(1rem, 2vw, 2rem);
}

.stt-standalone-location .stt-location-section > .container {
  width: 100%;
  max-width: none;
}

.stt-media-shell {
  width: min(100%, 960px);
  margin-inline: auto;
  padding: clamp(1rem, 3vw, 2.5rem) 0 clamp(2rem, 5vw, 4rem);
}

.stt-media-heading {
  max-width: 760px;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.stt-media-heading h2,
.stt-empty-state h2 {
  color: var(--stt-ink, #121713);
  font-family: "Newsreader", Georgia, serif;
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 560;
  letter-spacing: -0.035em;
  line-height: 0.98;
}

.stt-media-heading > p:last-child,
.stt-empty-state > p {
  max-width: 68ch;
  color: var(--stt-muted, #59625b);
  font-size: clamp(1rem, 1.7vw, 1.125rem);
  line-height: 1.75;
}

.stt-media-stage,
.stt-empty-state {
  overflow: hidden;
  border: 1px solid rgba(18, 23, 19, 0.12);
  border-radius: clamp(1.25rem, 3vw, 2rem);
  background: #f7f7f0;
  box-shadow: 0 24px 70px rgba(18, 23, 19, 0.12);
}

.stt-media-player {
  display: block;
  width: 100%;
  max-height: min(70vh, 720px);
  background: #090c0a;
}

.stt-media-player--audio {
  min-height: 110px;
  padding: clamp(1rem, 3vw, 2rem);
  background: linear-gradient(135deg, #121713, #263b2b);
}

.stt-media-status {
  margin: 0;
  padding: 0.9rem clamp(1rem, 3vw, 1.5rem);
  color: #405047;
  font-size: 0.92rem;
}

.stt-empty-state {
  padding: clamp(1.5rem, 5vw, 3.5rem);
}

.stt-media-back {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1.5rem;
  color: #203e29;
  font-weight: 700;
  text-decoration: none;
}

.stt-media-back:hover,
.stt-media-back:focus-visible {
  color: #121713;
  text-decoration: underline;
  text-decoration-color: #e8ff28;
  text-decoration-thickness: 0.2em;
  text-underline-offset: 0.25em;
}

@media (max-width: 575.98px) {
  .stt-media-shell {
    padding-inline: 0.15rem;
  }

  .stt-media-player--audio {
    min-height: 92px;
    padding: 0.8rem;
  }
}

/* Visitor-counter kiosk, retained separately from the public guest book. */
.stt-visitor-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
  overflow: hidden;
  margin: clamp(1rem, 3vw, 2rem) 0 clamp(2rem, 6vw, 5rem);
  border: 1px solid rgba(18, 23, 19, 0.11);
  border-radius: clamp(1.4rem, 4vw, 2.5rem);
  background: #fff;
  box-shadow: 0 30px 90px rgba(18, 23, 19, 0.12);
}

.stt-visitor-intro {
  padding: clamp(1.5rem, 5vw, 4rem);
}

.stt-visitor-intro h2 {
  max-width: 15ch;
  margin: 0 0 1rem;
  font-family: "Newsreader", Georgia, serif;
  font-size: clamp(2.2rem, 5vw, 4.6rem);
  font-weight: 560;
  letter-spacing: -0.05em;
  line-height: 0.96;
}

.stt-visitor-intro > p {
  max-width: 62ch;
  color: var(--stt-muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.stt-visitor-form {
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.stt-field {
  display: grid;
  gap: 0.45rem;
}

.stt-field label {
  color: var(--stt-ink);
  font-size: 0.9rem;
  font-weight: 750;
}

.stt-field label span {
  color: var(--stt-muted);
  font-size: 0.78rem;
  font-weight: 560;
}

.stt-field input {
  min-height: 54px;
  width: 100%;
  border: 1px solid rgba(18, 23, 19, 0.19);
  border-radius: 0.85rem;
  background: #fbfbf6;
  color: var(--stt-ink);
  font: inherit;
  padding: 0.8rem 1rem;
}

.stt-visitor-submit {
  justify-content: center;
  min-height: 54px;
  margin-top: 0.35rem;
}

.stt-visitor-submit:disabled {
  cursor: wait;
  opacity: 0.68;
}

.stt-visitor-feedback {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: clamp(2rem, 5vw, 4rem);
  background:
    radial-gradient(circle at 80% 10%, rgba(232, 255, 40, 0.2), transparent 32%),
    linear-gradient(145deg, #121713, #203d29);
  color: #fff;
  text-align: center;
}

.stt-visitor-photo {
  width: clamp(110px, 13vw, 160px);
  aspect-ratio: 1;
  overflow: hidden;
  margin-bottom: 1.5rem;
  border: 4px solid rgba(232, 255, 40, 0.84);
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.28);
}

.stt-visitor-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.stt-visitor-feedback__label {
  margin: 0 0 0.7rem;
  color: var(--stt-electric);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.stt-visitor-message {
  margin: 0;
  color: #fff;
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  font-weight: 680;
  line-height: 1.45;
}

.stt-visitor-message[data-status="success"] { color: #f6ffb1; }
.stt-visitor-message[data-status="warning"] { color: #ffe27a; }
.stt-visitor-message[data-status="error"] { color: #ffb8b3; }

.stt-visitor-privacy {
  max-width: 34ch;
  margin: 1.4rem 0 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.78rem;
  line-height: 1.6;
}

@media (max-width: 767.98px) {
  .stt-visitor-shell {
    grid-template-columns: 1fr;
  }

  .stt-visitor-feedback {
    min-height: 360px;
  }
}

/* Penyempurnaan tampilan STT Star Riau, 22 Agustus 2026. */
.stt-institution-bar {
  min-height: 44px;
  font-size: .82rem;
  letter-spacing: .075em;
}

.stt-institution-bar__inner { min-height: 44px; }
.stt-institution-bar a { text-underline-offset: .28em; }
.stt-institution-bar a:hover,
.stt-institution-bar a:focus-visible { text-decoration: underline; }

.stt-home-hero h1 {
  max-width: 830px;
  font-size: clamp(3.65rem, 6.45vw, 6.15rem);
  line-height: .965;
  letter-spacing: -.057em;
}

.stt-home-hero h1 em {
  margin-top: .08em;
  line-height: .93;
}

.stt-home-hero__lead {
  max-width: 62ch;
  margin-top: 30px;
  font-size: clamp(1.05rem, 1.28vw, 1.17rem);
}

.stt-section-heading h2 {
  text-wrap: balance;
}

.stt-section-heading > p {
  max-width: 42ch;
  font-size: 1.06rem;
}

.stt-collection-section.container {
  border: 1px solid rgba(11, 23, 38, .09);
  background:
    radial-gradient(circle at 92% 3%, rgba(234, 255, 63, .12), transparent 23%),
    linear-gradient(155deg, rgba(255, 255, 255, .98), rgba(246, 247, 241, .96));
  box-shadow: 0 30px 80px rgba(11, 23, 38, .08);
}

.stt-collection-section--new {
  background:
    linear-gradient(90deg, rgba(11, 23, 38, .035) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(180deg, #f5f3ea, #eeefe8);
}

.stt-api-book__link {
  border-radius: 22px;
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 14px 40px rgba(11, 23, 38, .07);
}

.stt-api-book__cover {
  border-bottom: 1px solid rgba(11, 23, 38, .08);
  background:
    linear-gradient(135deg, rgba(234, 255, 63, .1), transparent 45%),
    #eef1ec;
}

.stt-api-book h3 {
  min-height: 94px;
  padding: 19px 19px 10px;
  font-size: 1rem;
  line-height: 1.48;
}

.stt-api-book__meta {
  display: block;
  padding: 0 19px 23px;
  color: #65706a;
  font-size: .8rem;
  font-weight: 720;
  letter-spacing: .025em;
}

.stt-api-book__link:hover .stt-api-book__meta,
.stt-api-book__link:focus-visible .stt-api-book__meta { color: var(--stt-green-deep); }

.stt-site .result-search .container.mt-5 > .row {
  align-items: flex-start;
  gap: 24px 0;
}

.stt-site .result-search .col-md-3 {
  padding: 26px 22px;
  border: 1px solid rgba(11, 23, 38, .1);
  border-radius: 20px;
  background: linear-gradient(160deg, #fff, #f5f6f0);
  box-shadow: 0 16px 46px rgba(11, 23, 38, .065);
}

.stt-site .result-search .col-md-3 > h2 {
  margin-bottom: 22px;
  color: var(--stt-navy);
  font-size: 1.25rem;
  letter-spacing: -.025em;
}

.stt-site .result-search .col-md-9 > .d-flex {
  min-height: 72px;
  padding: 18px 22px;
  border-left: 4px solid var(--stt-electric);
  background: linear-gradient(100deg, #fff, #f7f8f3);
}

.stt-site .search-found-info,
.stt-site .result-search .form-inline label { font-size: .96rem; line-height: 1.55; }

.stt-site .result-search .custom-select {
  min-height: 42px;
  border-color: rgba(11, 23, 38, .18);
  border-radius: 10px;
  background-color: #fff;
}

.stt-site .card.item {
  overflow: hidden;
  background:
    radial-gradient(circle at 100% 0, rgba(234, 255, 63, .09), transparent 24%),
    #fff;
}

.stt-site .card.item > .card-body { padding: 28px 30px; }
.stt-site .card.item h5 { color: var(--stt-navy); }

.stt-language-menu .dropdown-item.active,
.stt-language-menu .dropdown-item:active {
  background: var(--stt-navy);
  color: #fff;
}

@media (hover: hover) {
  .stt-stats article,
  .stt-api-book__link,
  .stt-site .card.item { transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease, background-color .24s ease; }
}

@media (max-width: 760px) {
  .stt-institution-bar { min-height: 42px; font-size: .78rem; }
  .stt-institution-bar__inner { min-height: 42px; }
  .stt-home-hero h1 {
    font-size: clamp(3rem, 13.8vw, 4.35rem);
    line-height: 1;
    letter-spacing: -.052em;
  }
  .stt-home-hero__lead { margin-top: 26px; font-size: 1.02rem; }
  .stt-section-heading > p { max-width: 54ch; font-size: 1rem; }
  .stt-api-book h3 { min-height: 88px; padding: 16px 15px 9px; font-size: .94rem; }
  .stt-api-book__meta { padding: 0 15px 20px; font-size: .76rem; }
  .stt-site .result-search .col-md-3 { padding: 22px 18px; }
  .stt-site .result-search .col-md-9 > .d-flex { padding: 16px 17px; }
}

@media (max-width: 390px) {
  .stt-institution-bar { font-size: .74rem; letter-spacing: .045em; }
  .stt-home-hero h1 { font-size: clamp(2.8rem, 13.2vw, 3.35rem); }
  .stt-api-book h3 { font-size: .91rem; }
}

/* Lapisan hero: media berada di atas latar bagian, teks tetap terbaca di atas gradasi. */
.stt-home-hero__media { z-index: 0; }
.stt-home-hero__shade {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(7,17,29,.91) 0%, rgba(7,17,29,.68) 43%, rgba(9,24,20,.20) 72%, rgba(7,17,29,.34) 100%),
    linear-gradient(0deg, rgba(7,17,29,.48), transparent 52%);
}
.stt-home-hero__inner { position: relative; z-index: 2; }

/* Lapisan masthead halaman dalam: tampilkan foto terkelola di atas warna dasar. */
.stt-internal-masthead__media { z-index: 0; }
.stt-internal-masthead::after {
  z-index: 1;
  background:
    linear-gradient(104deg, rgba(7,17,29,.88) 0%, rgba(7,17,29,.68) 48%, rgba(9,33,27,.26) 100%),
    linear-gradient(0deg, rgba(7,17,29,.42), transparent 55%);
}
.stt-internal-masthead .c-header { position: relative; z-index: 3; }
.stt-internal-masthead .stt-hero-search { position: relative; z-index: 3; }