:root{--navy:#071e59;--navy2:#0b398a;--teal:#087cff;--teal2:#e8f1ff;--text:#142b53;--muted:#586d89;--line:#d9e5f5;--bg:#f5f8ff;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);font:15px/1.6 system-ui,Segoe UI,sans-serif;color:var(--text)}a{color:#096bd6}button,input,textarea,select{font:inherit}.shell{max-width:1180px;margin:auto;padding-left:24px;padding-right:24px}.site-header{background:var(--navy);color:white;position:sticky;top:0;z-index:10;box-shadow:0 4px 14px #071b541c}.nav-line{min-height:82px;display:flex;justify-content:space-between;align-items:center;gap:20px}.logo{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none}.logo-mark{background:#0f397f;border:1px solid #337ded;width:46px;height:46px;border-radius:11px;display:grid;place-items:center;font-weight:900}.logo-mark span,.logo em{color:#ff9226;font-style:normal}.logo strong{font-size:16px;letter-spacing:.8px}.logo small{font-size:10px;display:block;letter-spacing:2.1px;color:#d2e1ff}nav{display:flex;gap:22px}nav a{color:#dce8ff;text-decoration:none;font-weight:650;font-size:13px}nav a:hover{color:white}.menu-toggle{display:none}.hero{background:radial-gradient(circle at 83% 20%,#125ec8 0,#0c3988 33%,#071e59 76%);color:white}.hero-inner{min-height:460px;display:grid;grid-template-columns:1.6fr .85fr;align-items:center;gap:40px;padding-top:72px;padding-bottom:75px}.hero h1{font-size:clamp(39px,5vw,67px);line-height:1.08;letter-spacing:-2px;margin:18px 0}.hero h1 span{color:#ffa52b}.hero p{font-size:17px;color:#d9e8ff;max-width:640px}.eyebrow{text-transform:uppercase;letter-spacing:1.8px;font-size:11px;color:#0b69d9;font-weight:850}.hero-pill{color:#ffd6a4}.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:26px}.button{display:inline-block;cursor:pointer;border:0;background:#126cda;color:white;padding:13px 19px;border-radius:9px;text-decoration:none;font-weight:750}.button:hover{filter:brightness(1.07)}.button.light{color:#083979;background:white}.button.outline-light{background:transparent;border:1px solid #89b8f8}.hero-info{border:1px solid #ffffff40;background:#ffffff12;border-radius:20px;padding:27px;backdrop-filter:blur(5px)}.hero-number{font-size:74px;font-weight:800;line-height:1}.hero-number span{font-size:19px;margin-left:5px}.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:23px}.hero-grid strong{font-size:26px;display:block}.hero-grid small{color:#c8dfe1}.section{padding-top:72px;padding-bottom:65px}.section-top{max-width:760px;margin-bottom:25px}.section h2,.band h2,.end-cta h2{font-size:clamp(28px,3vw,38px);letter-spacing:-.9px;line-height:1.16;margin:12px 0}.section p,.band p{color:var(--muted)}.cards{display:grid;gap:18px}.cards.three{grid-template-columns:repeat(3,minmax(0,1fr))}.feature,.session-card,.video-card,.form-card,.panel{background:#fff;border:1px solid var(--line);border-radius:15px;padding:24px}.feature-icon{font-size:30px;background:#edf3ff;width:58px;height:58px;border-radius:14px;display:grid;place-items:center;color:#126bda}.feature h3,.session-card h3,.video-card h3{margin:15px 0 7px}.feature p,.session-card p,.video-card p{font-size:14px}.band{background:#ebf2ff;padding:65px 0}.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.steps{display:grid;gap:12px}.steps>div{display:flex;gap:24px;align-items:center;background:white;border:1px solid var(--line);padding:18px 23px;border-radius:11px}.steps b{font-size:24px;color:#126cda}.video-callout{background:#092865;color:white;padding:31px;display:flex;justify-content:space-between;align-items:center;gap:28px;border-radius:15px}.video-callout p{color:#d0e1ff}.video-callout h3{font-size:24px;margin:0}.end-cta{background:linear-gradient(115deg,#0b48a9,#072b76);padding:45px;margin-bottom:55px;border-radius:18px;color:white}.end-cta p{color:#edf3ff}.partners{display:grid;grid-template-columns:1fr 1fr;gap:18px}.partner{background:white;border:1px solid var(--line);padding:28px;border-radius:15px}.partner b{font-size:21px}.partner a{font-weight:800}.page-heading{background:#103d91;color:white;padding:65px 0}.page-heading h1{font-size:clamp(30px,4vw,47px);line-height:1.12;margin:12px 0}.page-heading p{color:#e3edff;max-width:710px}.notice{background:#eaf2ff;border-left:4px solid #ff9226;border-radius:7px;padding:16px 20px;margin-bottom:28px}.week-nav{display:flex;flex-wrap:wrap;gap:8px;margin:25px 0}.week-nav a{text-decoration:none;border:1px solid var(--line);background:white;padding:7px 13px;border-radius:7px;font-weight:750}.week-section{scroll-margin-top:110px;margin-bottom:52px}.week-title{display:flex;gap:14px;align-items:center;margin-bottom:18px}.week-counter{background:#0867d7;color:white;padding:10px;border-radius:9px;font-weight:800}.week-title h2{margin:2px 0}.session-card{padding:19px}.session-top{display:flex;justify-content:space-between;gap:5px;font-size:11px;font-weight:750;color:#0e6ccf}.tiny-pill{background:#e8f1ff;padding:2px 7px;border-radius:20px}.practice{background:#f0f5ff;padding:13px;border-radius:10px}.practice strong{font-size:12px}.practice p{margin:4px 0}.text-link{font-weight:800;text-decoration:none}.session-card .text-link{display:inline-block;margin-top:12px}.filter-bar{display:flex;gap:12px;align-items:end;margin-bottom:25px}.filter-bar select{max-width:500px}.filter-bar label{font-weight:700}.video-thumb{height:140px;background:linear-gradient(130deg,#0b2867,#1679e4);color:white;display:flex;flex-direction:column;justify-content:center;align-items:center;border-radius:10px}.video-thumb span{font-size:42px}.video-thumb small{letter-spacing:2px}.video-body{padding-top:10px}.small-button{padding:8px 12px;font-size:13px}.empty-state{text-align:center;background:#fff;border:1px solid var(--line);padding:42px;border-radius:15px}.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:35px}.contact-points>div{padding:16px 0;border-bottom:1px solid var(--line)}.contact-points strong{display:block}.contact-points span{color:var(--muted)}input,textarea,select{width:100%;background:white;color:var(--text);border:1px solid #becdd0;border-radius:8px;padding:11px;margin-top:5px}textarea{min-height:100px}label{display:block;font-weight:700;margin:14px 0}.alert{background:#fff1f1;border-left:4px solid #d44343;padding:12px}.footer{background:var(--navy);color:white;padding:30px 0}.footer-flex{display:flex;justify-content:space-between;gap:20px}.footer span,.fine{color:#cbdafa;font-size:12px}.fine{padding-top:20px}.visually-hidden{position:absolute;left:-9000px}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.admin-list{border-bottom:1px solid var(--line);padding:12px 0}.admin-list small{display:block;color:var(--muted)}.admin-table{width:100%;border-collapse:collapse}.admin-table td,.admin-table th{padding:11px;border-bottom:1px solid var(--line);text-align:left}.admin-table-wrap{overflow:auto}.muted{color:var(--muted)}.flex{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.danger{background:#ad3e3e}.compact{max-width:570px;margin:60px auto}.stack{display:grid;gap:11px}.staff-note{font-size:12px;color:#647992}@media(max-width:900px){.cards.three{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-inner{grid-template-columns:1fr}.split{gap:20px}}@media(max-width:650px){.shell{padding-left:16px;padding-right:16px}.nav-line{min-height:75px}.menu-toggle{display:block;background:transparent;border:1px solid #526b76;color:white;border-radius:7px;padding:6px 13px}.nav-line{flex-wrap:wrap}nav{display:none;width:100%;padding-bottom:15px;flex-direction:column;gap:13px}nav.open{display:flex}.cards.three,.partners,.split,.contact-layout,.admin-grid{grid-template-columns:1fr}.hero-inner{padding-top:50px;padding-bottom:50px}.section{padding-top:42px;padding-bottom:42px}.footer-flex{flex-direction:column}.video-callout{display:block}.hero-info{padding:20px}.filter-bar{display:block}.filter-bar button{margin-top:10px}}

/* S&T 2026 brand: blue with orange accents */
.logo-mark{background:#fff;min-width:54px;width:54px;height:54px;overflow:hidden;border:0;border-radius:10px;padding:3px}
.logo-mark img{width:100%;height:100%;object-fit:contain}
.logo em{color:#ff9b2d}
.hero{background:radial-gradient(circle at 86% 22%,#165bd1 0,#0c347f 40%,#071d55 87%)}
.hero h1 span{color:#ffad40}
.eyebrow{color:#126ada}
.hero-pill{color:#ffd39e}
.button{background:#1267d5}
.button:hover{background:#084db8}
.hero-actions .button:first-child{background:#ff941f;color:#09234c}
.end-cta{background:linear-gradient(115deg,#0b55c4,#071d55)}
.feature-icon{background:#ecf3ff;color:#126ada}
.partner a,.text-link{color:#075fc8}
@media(max-width:650px){.logo-mark{width:44px;min-width:44px;height:44px}}


/* Video gallery (public homepage and video library) */
.snt-gallery-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:12px 0 22px}.snt-gallery-filters{display:flex;gap:8px;flex-wrap:wrap}.snt-filter{width:auto;margin:0;padding:8px 13px;border:1px solid var(--line);background:#fff;color:var(--navy);border-radius:8px;cursor:pointer;font-weight:700}.snt-filter.is-active{background:var(--navy2);color:#fff}.snt-video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.snt-gallery-card{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden;min-width:0}.snt-gallery-card[hidden]{display:none!important}.snt-player-stage{position:relative;aspect-ratio:16/9;background:linear-gradient(120deg,#092357,#1474db);display:flex;align-items:center;justify-content:center;overflow:hidden}.snt-player-stage.snt-portrait{aspect-ratio:9/12}.snt-player-stage iframe,.snt-player-stage video{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000}.snt-play{width:auto;margin:0;background:#fff;color:#123968;cursor:pointer;border:0;border-radius:12px;padding:13px 22px;display:grid;gap:3px;justify-items:center;font-weight:800}.snt-play[hidden]{display:none}.snt-play span{font-size:26px;color:#ff8524}.snt-play small,.snt-embed-fallback small{font-size:12px}.snt-embed-fallback{text-align:center;color:white}.snt-embed-fallback span{display:block;font-size:32px}.snt-gallery-details{padding:18px}.snt-gallery-details small{color:#0769d0;font-weight:800}.snt-gallery-details h3{margin:8px 0}.snt-gallery-details p{margin:6px 0;font-size:13px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.snt-gallery-bottom{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:22px}.snt-gallery-count{font-size:13px;color:var(--muted)}@media(max-width:850px){.snt-video-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.snt-video-grid{grid-template-columns:1fr}.snt-player-stage.snt-portrait{aspect-ratio:9/11}}