:root {
  --ink: #122b3d;
  --navy: #0e2a3c;
  --navy-deep: #071b29;
  --teal: #087b77;
  --teal-bright: #45c8bd;
  --teal-pale: #eaf7f5;
  --coral: #e8784e;
  --paper: #ffffff;
  --mist: #f2f7f7;
  --line: #d8e3e3;
  --muted: #5b6f79;
  --font-display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --background: var(--paper);
  --foreground: var(--ink);
  --card: var(--paper);
  --card-foreground: var(--ink);
  --popover: var(--paper);
  --popover-foreground: var(--ink);
  --primary: var(--teal);
  --primary-foreground: #fff;
  --secondary: var(--mist);
  --secondary-foreground: var(--ink);
  --muted-foreground: var(--muted);
  --accent: var(--teal-pale);
  --accent-foreground: var(--teal);
  --destructive: #c9362b;
  --border: var(--line);
  --input: var(--line);
  --ring: var(--teal);
  --radius: 0.35rem;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 7.5rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-sans); font-size: 16px; line-height: 1.65; text-rendering: optimizeLegibility; }
body, button, input, a { -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
::selection { background: var(--coral); color: #fff; }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; }

.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }

.site-header { position: sticky; z-index: 50; top: 0; border-bottom: 1px solid rgba(216, 227, 227, .9); background: rgba(255, 255, 255, .96); backdrop-filter: blur(14px); }
.utility-row { min-height: 34px; background: var(--navy-deep); color: #d7e6eb; }
.utility-row .shell { position: relative; }
.header-tools { position: relative; display: flex; justify-content: flex-end; align-items: center; min-height: 34px; }
.header-tools > a, .header-tools > button { display: inline-flex; align-items: center; min-height: 34px; gap: .38rem; padding: 0 .85rem; border: 0; border-left: 1px solid rgba(255,255,255,.12); background: transparent; color: #d7e6eb; cursor: pointer; font-size: .69rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }
.header-tools > :last-of-type { border-right: 1px solid rgba(255,255,255,.12); }
.header-tools > a:hover, .header-tools > button:hover { background: rgba(69, 200, 189, .12); color: #fff; }
.search-trigger svg { width: 14px; }
.utility-popover { position: absolute; z-index: 70; top: calc(100% + 8px); right: 0; border: 1px solid var(--line); background: #fff; color: var(--ink); box-shadow: 0 18px 45px rgba(7, 27, 41, .18); }
.portal-popover { width: 245px; padding: 1rem 1.15rem; font-size: .82rem; }
.search-popover { width: min(390px, calc(100vw - 32px)); padding: 1rem; }
.search-popover label { display: block; margin-bottom: .5rem; color: var(--muted); font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.search-popover div { display: flex; }
.search-popover input { min-width: 0; flex: 1; border: 1px solid var(--line); padding: .7rem .8rem; color: var(--ink); outline: 0; }
.search-popover input:focus { border-color: var(--teal); }
.search-popover button { border: 0; background: var(--teal); color: #fff; padding: .7rem 1rem; cursor: pointer; font-weight: 750; }

.header-inner { display: grid; grid-template-columns: auto 1fr; align-items: center; min-height: 76px; gap: 2rem; }
.brand { display: inline-flex; align-items: center; width: fit-content; gap: .75rem; }
.brand-mark { width: 44px; height: 44px; flex: 0 0 auto; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.05; }
.brand-copy strong { color: var(--navy); font-family: var(--font-display); font-size: 1.55rem; font-weight: 700; letter-spacing: -.04em; }
.brand-copy small { max-width: 310px; margin-top: .26rem; color: var(--muted); font-size: .61rem; font-weight: 650; letter-spacing: .035em; line-height: 1.25; text-transform: uppercase; }
.desktop-nav { display: flex; justify-content: center; gap: clamp(1.1rem, 2.4vw, 2rem); }
.desktop-nav a { position: relative; color: #334d5c; font-size: .87rem; font-weight: 680; }
.desktop-nav a::after { position: absolute; right: 0; bottom: -.42rem; left: 0; height: 2px; background: var(--coral); content: ""; transform: scaleX(0); transition: transform 180ms ease; }
.desktop-nav a:hover::after { transform: scaleX(1); }
.mobile-menu { display: none; }

.hero { overflow: hidden; background: var(--navy-deep); color: #fff; }
.home-carousel { position: relative; width: 100%; }
.carousel-slide { position: relative; display: none; height: clamp(460px, 50vw, 720px); overflow: hidden; background: var(--navy-deep); }
.carousel-slide.is-active { display: block; animation: slide-fade 520ms ease both; }
@keyframes slide-fade { from { opacity: .35; } to { opacity: 1; } }
.carousel-slide > img { width: 100%; height: 100%; object-fit: cover; }
.photo-slide::before { position: absolute; inset: -36px; z-index: 0; background: linear-gradient(rgba(7,27,41,.44), rgba(7,27,41,.44)), var(--slide-image) center / cover no-repeat; content: ""; filter: blur(26px) saturate(.82); transform: scale(1.08); }
.photo-slide > img { position: relative; z-index: 1; object-fit: contain; }
.document-slide::before { background: linear-gradient(135deg, #dfe9ea, #f8fbfb 52%, #cbdcdd); filter: none; transform: none; }
.document-slide > img { padding: clamp(14px, 2.2vw, 32px); }
.plaque-slide { background: #292929; }
.plaque-slide::before { background: radial-gradient(circle at 50% 38%, #596064 0%, #24292c 70%); filter: none; transform: none; }
.plaque-slide > img { padding: clamp(12px, 1.8vw, 26px); }
.conference-slide::after { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4, 20, 31, .92) 0%, rgba(4, 20, 31, .65) 38%, rgba(4, 20, 31, .12) 72%); content: ""; }
.conference-copy { position: absolute; z-index: 2; top: 50%; left: max(24px, calc((100vw - 1180px) / 2)); width: min(650px, calc(100% - 48px)); transform: translateY(-50%); }
.conference-copy > p { display: inline-flex; margin: 0 0 1rem; border-bottom: 2px solid var(--coral); color: #89e0d9; font-size: .78rem; font-weight: 850; letter-spacing: .18em; text-transform: uppercase; }
.conference-copy h1 { max-width: 720px; margin: 0; font-family: var(--font-display); font-size: clamp(2.7rem, 5.2vw, 5.6rem); font-weight: 520; letter-spacing: -.045em; line-height: .98; }
.conference-copy > span { display: block; margin-top: 1.25rem; color: #d1e0e5; font-size: clamp(.88rem, 1.4vw, 1.08rem); font-weight: 650; letter-spacing: .02em; }
.conference-details { display: flex; flex-wrap: wrap; gap: .65rem 1.5rem; margin-top: 2rem; }
.conference-details strong { display: inline-flex; align-items: center; gap: .45rem; color: #fff; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; }
.conference-details svg { width: 18px; color: var(--coral); stroke-width: 1.8; }
.carousel-controls { position: absolute; z-index: 4; right: max(24px, calc((100vw - 1180px) / 2)); bottom: 24px; display: flex; align-items: center; gap: .65rem; }
.carousel-controls > button { display: grid; width: 40px; height: 40px; place-items: center; border: 1px solid rgba(255,255,255,.45); background: rgba(7, 27, 41, .72); color: #fff; cursor: pointer; }
.carousel-controls > button:hover { background: var(--coral); border-color: var(--coral); }
.carousel-controls svg { width: 18px; }
.carousel-dots { display: flex; gap: .4rem; padding: .45rem .6rem; background: rgba(7, 27, 41, .72); }
.carousel-dots button { width: 8px; height: 8px; padding: 0; border: 1px solid rgba(255,255,255,.75); border-radius: 50%; background: transparent; cursor: pointer; }
.carousel-dots button.active { background: var(--coral); border-color: var(--coral); }

.mission-strip { border-bottom: 1px solid var(--line); background: var(--paper); }
.mission-items { display: grid; grid-template-columns: repeat(3, 1fr); }
.mission-items div { display: flex; align-items: center; justify-content: center; min-height: 86px; gap: .85rem; padding: 1rem; font-size: .84rem; font-weight: 750; letter-spacing: .04em; text-transform: uppercase; }
.mission-items div + div { border-left: 1px solid var(--line); }
.mission-items svg { width: 24px; color: var(--teal); stroke-width: 1.5; }

.section { padding-block: clamp(4.5rem, 8vw, 7.5rem); }
.section-kicker { margin: 0 0 1rem; color: var(--teal); font-size: clamp(.95rem, 1.25vw, 1.08rem); font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.overline { margin: 0 0 1rem; color: var(--teal); font-size: .74rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.section-kicker.light { color: #b8eeea; }
.section h2, .media-section h2 { margin: 0; font-family: var(--font-display); font-size: clamp(2.55rem, 4.5vw, 4.7rem); font-weight: 500; letter-spacing: -.045em; line-height: 1.02; }

.about { background: var(--paper); }
.about-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(320px, .75fr); align-items: center; gap: clamp(2.5rem, 6vw, 6rem); }
.about-video { position: relative; }
.about-video video { display: block; width: 100%; aspect-ratio: 16 / 9; background: var(--navy-deep); object-fit: cover; }
.about-video > span { position: absolute; right: 0; bottom: 0; padding: .55rem .8rem; background: var(--coral); color: #fff; font-size: .69rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; pointer-events: none; }
.about-copy h2 em { color: var(--teal); font-style: normal; font-weight: inherit; }
.about-copy > p:last-child { margin: 1.5rem 0 0; color: var(--muted); font-size: 1.03rem; line-height: 1.8; }
.about-copy > p:last-child strong { color: var(--ink); }

.organization { background: linear-gradient(180deg, #edf5f5 0%, #f8fbfb 100%); }
.organization-heading { max-width: 820px; margin-bottom: 2.5rem; }
.structure-stats { display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 2rem; border-bottom: 8px solid #6ca4c8; background: var(--teal); color: #fff; box-shadow: 0 18px 50px rgba(18,43,61,.1); }
.structure-stats article { display: flex; min-height: 142px; flex-direction: column; justify-content: center; padding: 1.3rem 1.7rem; }
.structure-stats article + article { border-left: 1px solid rgba(255,255,255,.3); }
.structure-stats strong { font-family: var(--font-display); font-size: clamp(2.75rem, 4.2vw, 4.3rem); font-weight: 500; line-height: 1; }
.structure-stats span { margin-top: .55rem; color: #d9f3f0; font-size: .78rem; font-weight: 750; letter-spacing: .07em; text-transform: uppercase; }
.structure-stack { display: grid; gap: 2rem; }

.leader-card { position: relative; display: grid; grid-template-columns: minmax(280px, .78fr) minmax(0, 2fr); overflow: hidden; border: 1px solid var(--line); background: var(--paper); box-shadow: 0 22px 60px rgba(18,43,61,.1); }
.leader-card::before { position: absolute; z-index: 0; top: 0; right: 0; left: 0; height: 30px; background: linear-gradient(90deg, #7bd1f0, #e9f7fb 46%, #ffffff); content: ""; }
.leader-card::after { position: absolute; z-index: 0; right: 0; bottom: 0; left: 0; height: 14px; background: linear-gradient(90deg, #f4c39e, var(--coral)); content: ""; }
.leader-identity, .leader-credentials { position: relative; z-index: 1; }
.leader-identity { display: flex; align-items: center; flex-direction: column; justify-content: center; padding: 4.6rem 2rem 3.7rem; background: linear-gradient(180deg, #e7f6fb 0%, #ffffff 76%); text-align: center; }
.leader-portrait-frame { width: min(100%, 285px); aspect-ratio: .84; overflow: hidden; border: 7px solid #fff; border-radius: 50% / 46%; background: linear-gradient(180deg, #2e9de6, #dcefff); box-shadow: 0 15px 36px rgba(18,43,61,.16); }
.leader-portrait-frame img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.leader-identity h3 { margin: 1.3rem 0 .7rem; color: #101d25; font-size: clamp(1.65rem, 2.5vw, 2.25rem); font-weight: 800; letter-spacing: -.025em; line-height: 1.05; }
.leader-identity p { max-width: 310px; margin: 0; color: #263d4a; font-size: .98rem; line-height: 1.65; }
.leader-identity > span { margin-top: .4rem; color: var(--teal); font-size: .78rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.leader-credentials { padding: 5rem clamp(2rem, 4vw, 4rem) 4rem; border-left: 1px solid var(--line); }
.leader-role { display: inline-flex; align-items: stretch; margin-bottom: 1.7rem; border: 1px solid var(--navy); }
.leader-role span, .leader-role strong { padding: .55rem .9rem; font-size: .74rem; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.leader-role span { background: var(--navy); color: #fff; }
.leader-role strong { background: var(--teal-pale); color: var(--teal); }
.leader-credentials ul { display: grid; gap: .8rem; margin: 0; padding: 1.65rem 0 0 1.2rem; border-top: 1px solid #667680; color: #263d4a; font-size: .96rem; line-height: 1.62; }
.leader-credentials li::marker { color: var(--coral); }

.org-chart { padding: clamp(1.2rem, 3vw, 2.4rem); border: 1px solid var(--line); background: var(--paper); box-shadow: 0 22px 60px rgba(18,43,61,.09); }
.org-chart-header { display: grid; grid-template-columns: auto 1fr minmax(240px, auto); align-items: end; gap: .8rem 1rem; margin-bottom: 1.6rem; padding-bottom: 1.2rem; border-bottom: 1px solid var(--line); }
.org-chart-header .overline { margin: 0 0 .25rem; }
.org-chart-header h3 { margin: 0; font-family: var(--font-display); font-size: clamp(2rem, 3.3vw, 3.25rem); font-weight: 550; letter-spacing: -.035em; line-height: 1; }
.org-chart-header > span { color: var(--muted); font-size: .76rem; line-height: 1.45; text-align: right; }
.org-tier { min-width: 0; }
.org-tier h4 { margin: 0; padding: .72rem 1rem; background: #65a1ca; color: #fff; font-size: .84rem; font-weight: 850; letter-spacing: .09em; text-align: center; text-transform: uppercase; }
.organizer-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; margin-top: .75rem; }
.organizer-unit { display: flex; align-items: center; min-height: 110px; flex-direction: column; justify-content: center; padding: 1.1rem 1rem; background: #083f68; color: #fff; text-align: center; }
.organizer-unit strong { font-size: .86rem; line-height: 1.45; }
.organizer-unit span { margin-top: .35rem; color: #b9dbe9; font-size: .75rem; font-weight: 700; line-height: 1.4; }
.org-chart-row { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.65fr); gap: .75rem; margin-top: .9rem; }
.org-role-body { display: flex; align-items: center; min-height: 118px; justify-content: center; padding: 1.2rem 1.35rem; border: 1px solid var(--line); border-top: 0; background: #fff; color: var(--ink); text-align: center; }
.org-role-body.navy { border-color: #083f68; background: #083f68; color: #fff; }
.org-role-body strong { font-family: var(--font-display); font-size: 1.35rem; font-weight: 650; }
.org-role-body p { margin: 0; font-size: .88rem; font-weight: 650; line-height: 1.72; }
.members-tier { margin-top: .9rem; }
.member-columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .45rem 1.5rem; margin: 0; padding: 1.45rem 1.5rem 1.6rem; border: 1px solid var(--line); border-top: 0; list-style: none; }
.member-columns li { position: relative; padding-left: .85rem; color: #38505e; font-size: .82rem; font-weight: 600; line-height: 1.5; }
.member-columns li::before { position: absolute; top: .58em; left: 0; width: 4px; height: 4px; background: var(--teal); content: ""; }
.secretariat-tier { width: min(72%, 780px); margin: .9rem auto 0; }
.secretariat-tier h4 { background: #4f95c2; }
.secretariat-tier .org-role-body { min-height: 82px; border-bottom: 4px solid var(--coral); }

.section-heading-row { margin-bottom: 2.5rem; }
.event-grid { display: grid; grid-template-columns: minmax(0, 1.38fr) minmax(320px, .72fr); align-items: start; gap: 2rem; }
.event-card { display: grid; grid-template-rows: auto 1fr; border: 1px solid var(--line); background: var(--paper); box-shadow: 0 18px 50px rgba(18,43,61,.07); transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease; }
.event-card:hover { border-color: var(--teal); box-shadow: 0 24px 65px rgba(18,43,61,.13); transform: translateY(-5px); }
.event-image { position: relative; overflow: hidden; aspect-ratio: 3 / 2; background: #dce8e8; }
.event-image img { width: 100%; height: 100%; object-fit: contain; }
.event-featured .event-image { aspect-ratio: 1.58 / 1; }
.event-secondary { margin-top: 4rem; }
.event-secondary .event-image { aspect-ratio: 1.46 / 1; }
.event-year { position: absolute; top: 0; left: 1.5rem; min-width: 90px; padding: .78rem 1rem; background: var(--navy); color: #fff; font-size: 1rem; font-weight: 850; letter-spacing: .12em; text-align: center; }
.event-body { display: flex; flex-direction: column; padding: clamp(2rem, 3.5vw, 3.3rem); }
.event-secondary .event-body { padding-inline: clamp(1.8rem, 3vw, 2.7rem); }
.event-meta { display: flex; flex-wrap: wrap; gap: .75rem 1.35rem; margin-bottom: 1.35rem; color: var(--teal); font-size: .78rem; font-weight: 800; text-transform: uppercase; }
.event-meta span { display: inline-flex; align-items: center; gap: .35rem; }
.event-meta svg { width: 15px; stroke-width: 1.8; }
.event-label { margin: 0 0 1.55rem; color: var(--teal); font-size: .8rem; font-weight: 850; letter-spacing: .17em; text-transform: uppercase; }
.event-body h3 { margin: 0; font-family: var(--font-display); font-size: clamp(1.75rem, 3.1vw, 3.15rem); font-weight: 600; letter-spacing: -.035em; line-height: 1.14; }
.event-featured .event-body h3 { font-size: clamp(2rem, 3.55vw, 3.75rem); }
.event-body > p:not(.event-label) { margin: 1.35rem 0 1.7rem; color: var(--muted); line-height: 1.8; }
.card-link { display: inline-flex; align-items: center; gap: .4rem; margin-top: auto; color: var(--teal); font-size: .86rem; font-weight: 750; }
.card-link svg, .video-card p svg { transition: transform 180ms ease; }
.event-card:hover .card-link svg, .video-card:hover p svg { transform: translate(3px, -3px); }

.media-section { padding-block: clamp(4.5rem, 8vw, 7.5rem); background: var(--navy-deep); color: #fff; }
.media-heading { margin-bottom: 2.5rem; }
.media-heading .section-kicker { margin: 0 0 .75rem; }
.video-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.video-card { border-top: 1px solid rgba(255,255,255,.2); padding-top: 1rem; }
.video-image { position: relative; overflow: hidden; aspect-ratio: 16 / 9; background: #143a4d; }
.video-image::after { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(8,31,46,.58)); content: ""; }
.video-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 420ms ease; }
.video-card:hover .video-image img { transform: scale(1.035); }
.play-button { position: absolute; z-index: 2; right: 1.1rem; bottom: 1.1rem; display: grid; width: 52px; height: 52px; place-items: center; border-radius: 50%; background: var(--coral); color: #fff; }
.play-button svg { width: 19px; margin-left: 3px; }
.video-card > div:last-child { padding: 1.15rem 0 .3rem; }
.video-card > div:last-child > span { color: #7dd7d0; font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.video-card h3 { margin: .35rem 0; font-family: var(--font-display); font-size: clamp(1.5rem, 2.6vw, 2.25rem); font-weight: 500; letter-spacing: -.025em; }
.video-card p { display: inline-flex; align-items: center; gap: .4rem; margin: 0; color: #b8cbd4; font-size: .82rem; font-weight: 700; }

.site-footer { padding: 4rem 0 1.4rem; border-top: 1px solid rgba(255,255,255,.1); background: #05151f; color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.05fr 1fr .72fr .78fr; gap: 2.4rem; }
.site-footer .brand-copy strong { color: #fff; }
.site-footer .brand-copy small { color: #90a9b4; }
.footer-grid > div > p { max-width: 390px; margin: .85rem 0 0; color: #90a9b4; font-size: .84rem; }
.footer-grid > div > strong { color: #7dd7d0; font-size: .71rem; letter-spacing: .14em; text-transform: uppercase; }
.footer-email { color: #b8cbd4; font-weight: 700; text-decoration: underline; text-underline-offset: .22em; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 3.5rem; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,.12); color: #73909c; font-size: .75rem; }
.footer-bottom a { color: #b8cbd4; font-weight: 700; }

@media (max-width: 1040px) {
  .desktop-nav { display: none; }
  .header-inner { grid-template-columns: 1fr auto; }
  .mobile-menu { position: relative; display: block; }
  .mobile-menu summary { min-width: 70px; padding: .52rem .7rem; border: 1px solid var(--line); cursor: pointer; font-size: .82rem; font-weight: 750; list-style: none; text-align: center; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu nav { position: absolute; top: calc(100% + .7rem); right: 0; display: grid; width: 220px; border: 1px solid var(--line); background: #fff; box-shadow: 0 18px 40px rgba(18,43,61,.14); }
  .mobile-menu nav a { padding: .75rem 1rem; border-bottom: 1px solid var(--line); font-weight: 650; }
  .mobile-menu nav a:last-child { border-bottom: 0; }
  .conference-copy h1 { max-width: 620px; }
}

@media (max-width: 800px) {
  .shell { width: min(100% - 32px, 680px); }
  .header-tools > a, .header-tools > button { padding-inline: .55rem; font-size: .62rem; }
  .header-tools .search-trigger span { display: none; }
  .header-inner { grid-template-columns: 1fr auto; min-height: 70px; }
  .carousel-slide { height: clamp(430px, 75vw, 580px); }
  .conference-copy { left: 24px; }
  .conference-copy h1 { max-width: 580px; font-size: clamp(2.6rem, 8vw, 4.8rem); }
  .carousel-controls { right: 18px; bottom: 18px; }
  .mission-items { grid-template-columns: repeat(3, 1fr); }
  .mission-items div { min-height: 76px; font-size: .7rem; }
  .mission-items svg { display: none; }
  .about-grid, .event-grid, .video-grid, .footer-grid { grid-template-columns: 1fr; }
  .about-grid { gap: 2.5rem; }
  .about-copy { order: -1; }
  .leader-card { grid-template-columns: 1fr; }
  .leader-identity { padding-bottom: 2.8rem; }
  .leader-credentials { padding-top: 2.7rem; border-top: 1px solid var(--line); border-left: 0; }
  .org-chart-header { grid-template-columns: 1fr; }
  .org-chart-header > span { text-align: left; }
  .org-chart-row { grid-template-columns: 1fr; }
  .member-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .secretariat-tier { width: 100%; }
  .event-secondary { margin-top: 0; }
  .event-grid, .video-grid { gap: 2.5rem; }
  .media-heading { align-items: flex-start; flex-direction: column; }
  .footer-grid { gap: 2.2rem; }
}

@media (max-width: 520px) {
  .shell { width: calc(100% - 28px); }
  .header-tools > a:first-child { display: none; }
  .brand-copy small { display: none; }
  .brand-mark { width: 39px; height: 39px; }
  .carousel-slide { height: 520px; }
  .conference-slide > img { object-position: 62% center; }
  .conference-slide::after { background: linear-gradient(90deg, rgba(4,20,31,.94), rgba(4,20,31,.63) 75%, rgba(4,20,31,.25)); }
  .conference-copy { left: 18px; width: calc(100% - 36px); }
  .conference-copy h1 { font-size: clamp(2.35rem, 12vw, 3.55rem); }
  .conference-copy > span { max-width: 320px; }
  .conference-details { align-items: flex-start; flex-direction: column; gap: .5rem; margin-top: 1.4rem; }
  .photo-slide > img { object-position: center; }
  .carousel-controls { right: 14px; bottom: 14px; }
  .mission-items div { padding: .65rem .25rem; font-size: .6rem; }
  .section h2, .media-section h2 { font-size: clamp(2.35rem, 12vw, 3.5rem); }
  .structure-stats article { min-height: 104px; padding: .8rem .55rem; }
  .structure-stats strong { font-size: clamp(2rem, 10vw, 2.8rem); }
  .structure-stats span { font-size: .6rem; line-height: 1.35; }
  .leader-identity { padding: 3.9rem 1.3rem 2.5rem; }
  .leader-portrait-frame { width: min(100%, 240px); }
  .leader-credentials { padding: 2.2rem 1.3rem 3rem; }
  .leader-credentials ul { font-size: .88rem; }
  .org-chart { padding: 1rem; }
  .organizer-grid, .member-columns { grid-template-columns: 1fr; }
  .member-columns { padding-inline: 1rem; }
  .event-meta { align-items: flex-start; flex-direction: column; }
  .event-body, .event-secondary .event-body { padding: 1.6rem 1.3rem 1.8rem; }
  .event-featured .event-body h3, .event-body h3 { font-size: clamp(1.8rem, 9vw, 2.6rem); }
  .event-year { left: .8rem; min-width: 76px; padding: .58rem .75rem; font-size: .84rem; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: .65rem; }
}

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