/* ===== Design tokens (BTW green & gold, sampled from the Alumni Association seal) ===== */
:root {
  --green-950: #021A0C;
  --green-900: #032B15;
  --green-800: #04411F;
  --green-700: #03592B;
  --green-600: #0A6F38;
  --green-100: #E1F0E6;
  --green-50: #F1F8F3;
  --gold-600: #E2B000;
  --gold-500: #FCCB1B;
  --gold-300: #FFE07A;
  --gold-100: #FFF5CF;
  --ink: #0B1A11;
  --body: #3A4A40;
  --muted: #5F6E65;
  --line: #E1E7E2;
  --cream: #FBF9F1;
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --radius: 16px;
  --shadow-sm: 0 1px 2px rgba(3, 43, 21, .06), 0 4px 14px rgba(3, 43, 21, .06);
  --shadow-md: 0 4px 10px rgba(3, 43, 21, .07), 0 16px 40px rgba(3, 43, 21, .12);
  --shadow-lg: 0 18px 40px rgba(2, 26, 12, .28), 0 40px 90px rgba(2, 26, 12, .22);
  --container: 1180px;
}

/* ===== Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font-body); font-size: 1rem; line-height: 1.65; color: var(--body); background: #fff; font-variant-numeric: lining-nums; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green-700); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.15; margin: 0 0 .5em; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; letter-spacing: -.01em; }
h2 { font-size: clamp(1.9rem, 3.2vw, 2.6rem); }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; }
:focus-visible { outline: 3px solid var(--gold-500); outline-offset: 2px; }
.skip-link { position: absolute; left: -9999px; top: 8px; z-index: 300; background: var(--gold-500); color: var(--green-950); padding: 10px 16px; border-radius: 8px; font-weight: 700; }
.skip-link:focus { left: 8px; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 860px; }
.section { padding: 96px 0; }
.section-cream { background: var(--cream); }
.pt-0 { padding-top: 0; }
.center { text-align: center; }
.muted { color: var(--muted); }

/* ===== Concept preview bar ===== */
.concept-bar { background: var(--green-950); color: #CFE0D5; font-size: .78rem; line-height: 1.45; text-align: center; padding: 8px 16px; }
.concept-bar strong { color: var(--gold-500); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; margin-right: 10px; }
.concept-short { display: none; }
@media (max-width: 640px) { .concept-long { display: none; } .concept-short { display: inline; } }

/* ===== Header / nav ===== */
.site-header { position: sticky; top: 0; z-index: 100; background: #fff; border-bottom: 3px solid var(--gold-500); box-shadow: 0 2px 18px rgba(3, 43, 21, .06); }
.nav { display: flex; align-items: center; gap: 24px; max-width: var(--container); margin: 0 auto; padding: 12px 24px; position: relative; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand:hover { text-decoration: none; }
.brand img { width: 54px; height: 54px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-top { font-family: var(--font-display); font-size: 1.18rem; font-weight: 800; white-space: nowrap; color: var(--green-900); }
.brand-bottom { margin-top: 6px; font-size: .74rem; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; white-space: nowrap; color: var(--green-800); }
.brand-hl { padding: 0 .12em; background: linear-gradient(transparent 50%, var(--gold-500) 50%, var(--gold-500) 92%, transparent 92%); }
.nav-links { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.nav-links a:not(.btn) { position: relative; color: var(--ink); font-weight: 500; font-size: .95rem; padding: 6px 0; }
.nav-links a:not(.btn)::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 3px; border-radius: 2px; background: var(--gold-500); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.nav-links a:not(.btn):hover { color: var(--green-700); text-decoration: none; }
.nav-links a:not(.btn):hover::after, .nav-links a[aria-current="page"]::after { transform: scaleX(1); }
.nav-links a[aria-current="page"] { color: var(--green-700); font-weight: 600; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; width: 44px; height: 44px; position: relative; flex: none; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 10px; width: 24px; height: 2px; background: var(--green-900); transition: transform .2s; }
.nav-toggle span { top: 21px; }
.nav-toggle span::before { top: -8px; left: 0; }
.nav-toggle span::after { top: 8px; left: 0; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-8px) rotate(-45deg); }

@media (max-width: 1080px) {
  .nav-toggle { display: block; margin-left: auto; }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; margin-top: 3px; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 3px solid var(--gold-500); box-shadow: 0 16px 30px rgba(3, 43, 21, .12); padding: 6px 24px 22px; }
  .nav-links.open { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--line); }
  .nav-links li.nav-cta { border-bottom: 0; padding-top: 16px; }
  .nav-links a:not(.btn) { display: block; padding: 14px 0; }
  .nav-links a:not(.btn)::after { display: none; }
  .nav-links .btn { width: 100%; }
}
@media (max-width: 520px) {
  .nav { gap: 14px; padding: 10px 18px; }
  .nav-links { padding-left: 18px; padding-right: 18px; }
  .brand { gap: 10px; }
  .brand img { width: 46px; height: 46px; }
  .brand-top { font-size: .88rem; }
  .brand-bottom { margin-top: 4px; font-size: .62rem; letter-spacing: .15em; }
}
@media (max-width: 340px) { .brand-city { display: none; } }

/* ===== Buttons & links ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 26px; border-radius: 12px; border: 2px solid transparent; font-weight: 700; font-size: .95rem; line-height: 1.2; cursor: pointer; transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-gold { background: var(--gold-500); color: var(--green-950); box-shadow: 0 6px 18px rgba(252, 203, 27, .28); }
.btn-gold:hover { background: var(--gold-300); }
.btn-green { background: var(--green-700); color: #fff; }
.btn-green:hover { background: var(--green-800); }
.btn-outline { border-color: var(--green-700); color: var(--green-700); }
.btn-outline:hover { background: var(--green-50); }
.btn-outline-light { border-color: rgba(255, 255, 255, .6); color: #fff; }
.btn-outline-light:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }
.btn-sm { padding: 10px 18px; font-size: .88rem; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--green-700); }
.link-arrow::after { content: "\2192"; transition: transform .2s; }
.link-arrow:hover { text-decoration: none; }
.link-arrow:hover::after { transform: translateX(3px); }

/* ===== Section headings ===== */
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 14px; font-size: .76rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--green-700); }
.eyebrow::before { content: ""; width: 28px; height: 3px; border-radius: 2px; background: var(--gold-500); }
.eyebrow-light { color: var(--gold-500); }
.eyebrow-light::before { background: currentColor; }
.sec-head { max-width: 660px; margin-bottom: 48px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head.center .eyebrow { justify-content: center; }
.sec-head h2 { font-size: clamp(2rem, 3.4vw, 2.7rem); }
.sec-head p { margin: 0; font-size: 1.08rem; color: var(--muted); }
.sec-head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px 24px; flex-wrap: wrap; margin-bottom: 40px; }
.sec-head-row .sec-head { margin-bottom: 0; }

/* ===== Home hero ===== */
.hero { position: relative; isolation: isolate; overflow: hidden; background: var(--green-950); color: #fff; text-align: center; }
.hero-bg { position: absolute; inset: 0; z-index: -2; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 42%; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(ellipse 58% 70% at 50% 50%, rgba(2, 26, 12, .86), rgba(2, 26, 12, .64) 62%, rgba(2, 26, 12, .38)), linear-gradient(180deg, rgba(3, 43, 21, .12), rgba(2, 26, 12, .55)); }
.hero-center { display: flex; flex-direction: column; align-items: center; padding-top: 60px; padding-bottom: 84px; }
.hero-seal { width: 124px; height: 124px; margin-bottom: 22px; padding: 5px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 4px rgba(252, 203, 27, .6), 0 18px 40px rgba(0, 0, 0, .45); }
.hero-title { margin: 0; font-weight: 800; line-height: 1.02; letter-spacing: .01em; text-transform: uppercase; color: #fff; text-shadow: 0 8px 36px rgba(0, 0, 0, .4); }
.hero-title span { display: block; }
.ht-city { margin-bottom: 16px; padding-left: .38em; font-family: var(--font-body); font-size: clamp(.82rem, 1.3vw, 1rem); letter-spacing: .38em; color: var(--gold-300); text-shadow: none; }
.ht-name, .ht-org { font-size: clamp(2.2rem, 5.7vw, 4.7rem); }
.ht-org { color: var(--gold-500); }
.hero-tagline { margin: 20px 0 0; font-family: var(--font-display); font-size: clamp(1.35rem, 2.6vw, 1.8rem); font-style: italic; font-weight: 600; color: #fff; }
.hero .lead { max-width: 36em; margin: 12px auto 0; font-size: 1.12rem; color: rgba(255, 255, 255, .86); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero .hero-actions { justify-content: center; }
@media (max-width: 520px) {
  .hero-seal { width: 96px; height: 96px; margin-bottom: 18px; }
  .ht-city { letter-spacing: .3em; padding-left: .3em; }
}

/* ===== 100th anniversary live stream ===== */
.anniversary { position: relative; isolation: isolate; overflow: hidden; scroll-margin-top: 90px; background: var(--green-950) url("../images/pattern-dark.svg"); color: #fff; }
.anniversary::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(900px 420px at 50% 0%, rgba(252, 203, 27, .18), transparent 70%); }
.anniversary .sec-head { margin-bottom: 40px; }
.anniversary .sec-head p { color: rgba(255, 255, 255, .84); }
.anniversary .anniv-title { margin-bottom: 14px; font-size: clamp(2.6rem, 6vw, 4.2rem); color: #fff; }
.anniv-num { color: var(--gold-500); }
.anniv-num sup { margin-left: .03em; font-size: .42em; line-height: 0; vertical-align: .95em; }
.live-pill { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 18px; padding: 6px 14px; border: 1px solid rgba(252, 203, 27, .45); border-radius: 999px; background: rgba(252, 203, 27, .08); color: var(--gold-300); font-size: .72rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: #FF4D4D; animation: live-pulse 1.8s ease-out infinite; }
@keyframes live-pulse { 0% { box-shadow: 0 0 0 0 rgba(255, 77, 77, .6); } 70%, 100% { box-shadow: 0 0 0 10px rgba(255, 77, 77, 0); } }
.stream-frame { position: relative; max-width: 980px; margin: 0 auto; aspect-ratio: 16 / 9; overflow: hidden; border: 1px solid rgba(252, 203, 27, .4); border-radius: 20px; background: #000; box-shadow: 0 0 0 6px rgba(252, 203, 27, .08), var(--shadow-lg); }
.stream-frame iframe, .stream-frame video { position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%; border: 0; }
.stream-frame:has(iframe, video) .stream-placeholder { display: none; }
.stream-placeholder { position: absolute; inset: 0; z-index: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 24px; text-align: center; background: linear-gradient(rgba(2, 26, 12, .8), rgba(2, 26, 12, .9)), url("../images/btw-building.jpg") center / cover; }
.stream-status { position: absolute; top: 18px; left: 18px; display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 8px; background: rgba(0, 0, 0, .5); color: rgba(255, 255, 255, .85); font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.stream-status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #9AA59E; }
.stream-play { display: grid; place-items: center; width: 84px; height: 84px; margin-bottom: 18px; border-radius: 50%; background: var(--gold-500); color: var(--green-950); box-shadow: 0 0 0 10px rgba(252, 203, 27, .18), 0 14px 34px rgba(0, 0, 0, .45); }
.stream-play .icon { width: 34px; height: 34px; margin-left: 5px; fill: currentColor; stroke: none; }
.stream-placeholder h3 { margin: 0 0 6px; font-size: clamp(1.15rem, 2.4vw, 1.7rem); color: #fff; }
.stream-placeholder p { max-width: 30em; margin: 0; color: rgba(255, 255, 255, .8); }
.stream-meta { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 28px; margin-top: 28px; font-size: .95rem; color: rgba(255, 255, 255, .86); }
.stream-meta span { display: inline-flex; align-items: center; gap: 8px; }
.stream-meta .icon { color: var(--gold-500); }
@media (max-width: 560px) {
  .stream-placeholder p { display: none; }
  .stream-play { width: 58px; height: 58px; margin-bottom: 10px; box-shadow: 0 0 0 6px rgba(252, 203, 27, .18); }
  .stream-play .icon { width: 24px; height: 24px; margin-left: 3px; }
  .stream-status { top: 10px; left: 10px; padding: 4px 8px; font-size: .62rem; }
}

/* ===== Heritage strip ===== */
.heritage { background: var(--green-700); color: #fff; }
.heritage-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.heritage-item { padding: 34px 32px; border-left: 1px solid rgba(255, 255, 255, .16); }
.heritage-item:first-child { border-left: 0; padding-left: 0; }
.heritage-figure { font-family: var(--font-display); font-weight: 700; font-size: 2.4rem; line-height: 1; color: var(--gold-500); }
.heritage-label { max-width: 22em; margin: 10px 0 0; font-size: .98rem; color: rgba(255, 255, 255, .9); }
@media (max-width: 760px) {
  .heritage-grid { grid-template-columns: 1fr; }
  .heritage-item, .heritage-item:first-child { border-left: 0; border-top: 1px solid rgba(255, 255, 255, .16); padding: 24px 0; }
  .heritage-item:first-child { border-top: 0; }
}

/* ===== Layout helpers ===== */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.split-wide { grid-template-columns: 1.35fr 1fr; }
.split-top { align-items: start; }
@media (max-width: 900px) { .split, .split-wide { grid-template-columns: 1fr; gap: 48px; } }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ===== Photos & quotes ===== */
.photo-card { position: relative; z-index: 0; margin: 0 0 0 16px; }
.photo-card::before { content: ""; position: absolute; inset: -16px 16px 40px -16px; z-index: -1; border-radius: 22px; background: var(--gold-100); }
.photo-card img { width: 100%; border-radius: 18px; box-shadow: var(--shadow-md); }
.photo-card figcaption { margin-top: 14px; font-size: .86rem; color: var(--muted); }
.pull-quote { margin: 32px 0 0; padding: 4px 0 4px 22px; border-left: 4px solid var(--gold-500); font-family: var(--font-display); font-size: 1.35rem; font-style: italic; font-weight: 600; line-height: 1.4; color: var(--green-900); }
.pull-quote cite { display: block; margin-top: 10px; font-family: var(--font-body); font-size: .82rem; font-style: normal; font-weight: 500; color: var(--muted); }
.lead-p { font-size: 1.15rem; color: var(--ink); }

/* ===== Cards ===== */
.card { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease; }
.card-hover:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card h3 { font-size: 1.28rem; margin-bottom: 8px; }
.card p:last-child { margin-bottom: 0; }
.icon { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.meta { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-bottom: 12px; font-size: .88rem; color: var(--muted); }
.meta span { display: inline-flex; align-items: center; gap: 6px; }
.tag { display: inline-block; padding: 5px 11px; border-radius: 999px; background: var(--green-100); color: var(--green-800); font-size: .7rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.tag-gold { background: var(--gold-500); color: var(--green-950); }
.sample-tag { position: absolute; top: 16px; right: 16px; padding: 3px 8px; border: 1px solid var(--line); border-radius: 999px; background: var(--green-50); color: var(--muted); font-size: .62rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }

/* ===== Events ===== */
.event-card { display: flex; gap: 20px; align-items: flex-start; }
.event-card h3 { margin-bottom: 6px; }
.date-badge { flex: none; width: 72px; overflow: hidden; border-radius: 12px; background: var(--green-700); color: #fff; text-align: center; box-shadow: 0 6px 16px rgba(3, 89, 43, .25); }
.date-badge .m { display: block; padding: 6px 0 5px; background: var(--gold-500); color: var(--green-950); font-size: .7rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.date-badge .d { display: block; padding: 10px 0 12px; font-family: var(--font-display); font-size: 1.9rem; font-weight: 700; line-height: 1; }
.date-badge.lg { width: 108px; }
.date-badge.lg .m { padding: 8px 0 7px; font-size: .8rem; }
.date-badge.lg .d { padding: 14px 0 16px; font-size: 2.9rem; }
.featured-event { display: grid; grid-template-columns: auto 1fr auto; gap: 32px; align-items: center; margin-bottom: 88px; padding: 40px; border-radius: 24px; background: var(--green-700) url("../images/pattern-dark.svg"); color: #fff; box-shadow: var(--shadow-md); }
.featured-event .date-badge { background: #fff; color: var(--green-900); box-shadow: 0 10px 24px rgba(2, 26, 12, .3); }
.featured-event h2 { margin: 12px 0 10px; font-size: clamp(1.8rem, 3vw, 2.4rem); color: #fff; }
.featured-event p { margin: 0; color: rgba(255, 255, 255, .88); }
.featured-event .meta { margin: 14px 0 0; color: rgba(255, 255, 255, .88); }
@media (max-width: 860px) { .featured-event { grid-template-columns: 1fr; gap: 20px; padding: 30px; } .featured-event .btn { justify-self: start; } }
.milestones-block { margin-bottom: 88px; }
.milestones { display: flex; flex-wrap: wrap; gap: 12px; }
.milestone { display: flex; flex-direction: column; align-items: center; min-width: 116px; padding: 14px 18px; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: var(--shadow-sm); }
.milestone strong { font-family: var(--font-display); font-size: 1.5rem; line-height: 1.1; color: var(--green-700); }
.milestone span { font-size: .78rem; font-weight: 600; letter-spacing: .04em; color: var(--muted); }
.event-list { display: grid; gap: 18px; }
.event-row { display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: center; }
.event-row h3 { margin-bottom: 6px; }
.event-row .meta { margin-bottom: 8px; }
.event-row p { margin: 0; }
@media (max-width: 720px) { .event-row { grid-template-columns: auto 1fr; } .event-row .btn { grid-column: 1 / -1; justify-self: start; } }

/* ===== Spotlight ===== */
.spotlight { display: flex; flex-direction: column; margin: 0; }
.spotlight blockquote { position: relative; flex: 1; margin: 22px 0 24px; padding-top: 26px; font-family: var(--font-display); font-size: 1.12rem; line-height: 1.55; color: var(--ink); }
.spotlight blockquote::before { content: "\201C"; position: absolute; top: -22px; left: -4px; font-family: var(--font-display); font-size: 4.4rem; line-height: 1; color: var(--gold-500); }
.person { display: flex; align-items: center; gap: 14px; }
.person strong { display: block; color: var(--ink); }
.person span { font-size: .86rem; color: var(--muted); }
.avatar { display: grid; place-items: center; width: 52px; height: 52px; flex: none; border-radius: 50%; background: linear-gradient(135deg, var(--green-700), var(--green-900)); color: var(--gold-500); font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; box-shadow: 0 0 0 3px #fff, 0 0 0 5px var(--gold-500); }

/* ===== Class notes ===== */
.note { display: flex; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.note:first-child { padding-top: 0; }
.note:last-child { border-bottom: 0; }
.note p { margin: 0; }
.note strong { color: var(--ink); }
.note small { display: block; margin-top: 4px; font-size: .82rem; color: var(--muted); }
.year-chip { display: grid; place-items: center; width: 58px; height: 58px; flex: none; border: 1px solid var(--green-100); border-radius: 14px; background: var(--green-50); color: var(--green-700); font-family: var(--font-display); font-size: 1.15rem; font-weight: 700; }
.share-card { padding: 36px; border-radius: 20px; background: var(--green-700) url("../images/pattern-dark.svg"); color: #fff; box-shadow: var(--shadow-md); }
.share-card h3 { font-size: 1.6rem; color: #fff; }
.share-card p { color: rgba(255, 255, 255, .88); }

/* ===== Get involved ===== */
.involve { background: var(--green-900) url("../images/pattern-dark.svg"); color: #fff; }
.involve .sec-head h2 { color: #fff; }
.involve .sec-head p { color: rgba(255, 255, 255, .8); }
.involve-card { display: flex; flex-direction: column; align-items: flex-start; padding: 30px; border: 1px solid rgba(255, 255, 255, .14); border-radius: 18px; background: rgba(255, 255, 255, .06); transition: background .2s, transform .2s; }
.involve-card:hover { background: rgba(255, 255, 255, .1); transform: translateY(-4px); }
.involve-card h3 { font-size: 1.35rem; color: #fff; }
.involve-card p { flex: 1; color: rgba(255, 255, 255, .82); }
.icon-badge { display: grid; place-items: center; width: 52px; height: 52px; flex: none; margin-bottom: 20px; border-radius: 14px; background: var(--gold-500); color: var(--green-950); }
.icon-badge .icon { width: 24px; height: 24px; }

/* ===== Inner page hero ===== */
.page-hero { position: relative; isolation: isolate; overflow: hidden; padding: 72px 0 64px; background: var(--green-900) url("../images/pattern-dark.svg"); color: #fff; }
.page-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(700px 300px at 85% 0%, rgba(252, 203, 27, .16), transparent 65%); }
.page-hero h1 { margin: 8px 0 12px; font-size: clamp(2.3rem, 4.6vw, 3.4rem); color: #fff; }
.page-hero p { max-width: 40em; margin: 0; font-size: 1.12rem; color: rgba(255, 255, 255, .86); }
.crumbs { font-size: .78rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--gold-300); }
.crumbs a { color: var(--gold-300); }
.crumbs span { margin: 0 8px; opacity: .6; }

/* ===== About ===== */
.features { gap: 28px; }
.feature { display: flex; gap: 16px; }
.feature .icon-badge { width: 46px; height: 46px; margin: 0; border: 1px solid var(--green-100); border-radius: 12px; background: var(--green-50); color: var(--green-700); }
.feature h3 { margin-bottom: 4px; font-size: 1.12rem; }
.feature p { margin: 0; font-size: .95rem; }
.timeline { position: relative; padding-left: 46px; }
.timeline::before { content: ""; position: absolute; left: 13px; top: 8px; bottom: 8px; width: 3px; border-radius: 3px; background: linear-gradient(var(--gold-500), var(--green-700)); }
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before { content: ""; position: absolute; left: -46px; top: 2px; width: 29px; height: 29px; border: 6px solid var(--green-700); border-radius: 50%; background: #fff; box-shadow: 0 0 0 4px var(--gold-100); }
.tl-date { font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; color: var(--green-700); }
.tl-item h3 { margin: 4px 0 6px; font-size: 1.3rem; }
.tl-item p { margin: 0; }
.history-media { position: sticky; top: 120px; }
.officer { padding: 30px 22px; text-align: center; }
.officer img { width: 112px; height: 112px; margin: 0 auto 18px; border-radius: 50%; box-shadow: 0 0 0 4px #fff, 0 0 0 6px var(--gold-500); }
.officer h3 { margin-bottom: 4px; font-size: 1.15rem; }
.officer-role { font-size: .74rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--green-700); }
.officer-class { margin-top: 6px; font-size: .86rem; color: var(--muted); }
.cta-strip { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; padding: 44px; border-radius: 24px; background: var(--gold-500); color: var(--green-950); }
.cta-strip h2 { margin: 0 0 6px; font-size: clamp(1.6rem, 3vw, 2.2rem); color: var(--green-950); }
.cta-strip p { margin: 0; color: var(--green-900); }

/* ===== News ===== */
.news-layout { display: grid; grid-template-columns: 1fr 340px; gap: 40px; align-items: start; }
@media (max-width: 960px) { .news-layout { grid-template-columns: 1fr; } }
.news-list { display: grid; gap: 22px; }
.news-card { display: grid; grid-template-columns: 210px 1fr; gap: 24px; align-items: center; padding: 18px; }
.news-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 12px; }
.news-card h3 { margin: 10px 0 8px; font-size: 1.3rem; }
.news-card p { font-size: .96rem; }
.news-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; font-size: .84rem; color: var(--muted); }
@media (max-width: 640px) { .news-card { grid-template-columns: 1fr; } }
.sidebar { display: grid; gap: 22px; position: sticky; top: 110px; }
.sidebar .share-card { padding: 30px; }
.sidebar .share-card h3 { font-size: 1.4rem; }
@media (max-width: 960px) { .sidebar { position: static; } }

/* ===== Gallery ===== */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 860px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .gallery-grid { grid-template-columns: 1fr; } }
.gallery-item { position: relative; display: block; width: 100%; padding: 0; overflow: hidden; border: 0; border-radius: var(--radius); background: var(--green-100); box-shadow: var(--shadow-sm); text-align: left; cursor: pointer; }
.gallery-item img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .4s ease; }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item.logo-tile { background: var(--green-900) url("../images/pattern-dark.svg"); }
.gallery-item.logo-tile img { object-fit: contain; padding: 26px 26px 54px; }
.gallery-item .cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 18px 16px; background: linear-gradient(180deg, transparent, rgba(2, 26, 12, .85)); color: #fff; }
.gallery-item .cap strong { display: block; font-size: 1rem; }
.gallery-item .cap span { font-size: .8rem; opacity: .85; }
.gallery-note { margin: 36px 0 0; }
.lightbox { position: fixed; inset: 0; z-index: 200; display: none; align-items: center; justify-content: center; padding: 24px; background: rgba(2, 26, 12, .92); }
.lightbox.open { display: flex; }
.lightbox figure { margin: 0; text-align: center; }
.lightbox img { max-width: min(92vw, 1100px); max-height: 78vh; margin: 0 auto; border-radius: 12px; box-shadow: var(--shadow-lg); }
.lightbox figcaption { margin-top: 14px; font-weight: 500; color: #fff; }
.lightbox-close { position: absolute; top: 18px; right: 22px; width: 48px; height: 48px; border: 0; border-radius: 50%; background: rgba(255, 255, 255, .12); color: #fff; font-size: 1.8rem; line-height: 1; cursor: pointer; }
.lightbox-close:hover { background: var(--gold-500); color: var(--green-950); }

/* ===== Contact ===== */
.contact-list { display: grid; gap: 20px; margin-top: 28px; }
.contact-item { display: flex; align-items: flex-start; gap: 14px; }
.contact-item .icon-badge { width: 44px; height: 44px; margin: 0; border-radius: 12px; }
.contact-item strong { display: block; color: var(--ink); }
.form-card { padding: 36px; }
.form-card h3 { margin-bottom: 22px; font-size: 1.6rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.form-field { margin-bottom: 18px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { display: block; margin-bottom: 6px; font-size: .9rem; font-weight: 600; color: var(--ink); }
.form-field input, .form-field select, .form-field textarea { width: 100%; padding: 12px 14px; border: 1px solid #CDD6CF; border-radius: 10px; background: #fff; color: var(--ink); transition: border-color .15s, box-shadow .15s; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: none; border-color: var(--green-700); box-shadow: 0 0 0 4px rgba(252, 203, 27, .35); }
.optional { font-weight: 400; color: var(--muted); }
.form-status:empty { display: none; }
.form-status { margin-top: 16px; padding: 12px 14px; border-radius: 10px; font-size: .95rem; font-weight: 500; }
.form-status.success { background: var(--green-50); border: 1px solid var(--green-100); color: var(--green-800); }
.form-status.demo { background: var(--gold-100); border: 1px solid #F3DD8C; color: var(--green-900); }
.form-status.error { background: #FEF3F2; border: 1px solid #FECDCA; color: #B42318; }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } .form-card { padding: 26px; } }

/* ===== Façade tile band & footer ===== */
.tile-band { height: 36px; background: url("../images/facade-band.svg") left center / 36px 36px repeat-x; }
.site-footer { background: var(--green-950); color: rgba(255, 255, 255, .76); }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 40px; padding: 64px 0 44px; }
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
.footer-brand img { width: 88px; height: 88px; }
.footer-brand .name { line-height: 1.15; }
.footer-city { display: block; margin-bottom: 8px; font-size: .72rem; font-weight: 800; letter-spacing: .3em; text-transform: uppercase; color: var(--gold-300); }
.footer-wordmark { display: block; font-family: var(--font-display); font-size: 1.45rem; font-weight: 800; color: #fff; }
.footer-wordmark span { display: block; color: var(--gold-500); }
.footer-brand p { margin: 0; max-width: 24em; }
.site-footer h4 { margin: 0 0 18px; font-size: .74rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gold-500); }
.site-footer li { margin-bottom: 10px; }
.site-footer a { color: rgba(255, 255, 255, .82); }
.site-footer a:hover { color: var(--gold-500); text-decoration: none; }
.socials { display: flex; gap: 10px; }
.socials a { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid rgba(255, 255, 255, .2); border-radius: 50%; color: #fff; }
.socials a:hover { border-color: var(--gold-500); background: var(--gold-500); color: var(--green-950); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; padding: 22px 0 26px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: .84rem; }
@media (max-width: 900px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-top { grid-template-columns: 1fr; } }

/* ===== 404 ===== */
.not-found { padding: 110px 0 120px; text-align: center; }
.not-found img { width: 120px; margin: 0 auto 24px; }
.not-found h1 { font-size: clamp(2.4rem, 5vw, 3.4rem); }
.not-found p { max-width: 32em; margin: 0 auto; }
.center-actions { justify-content: center; }

@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .sec-head { margin-bottom: 36px; }
  .cta-strip, .share-card { padding: 30px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}