/* Public conference landing page — IMMV-inspired visual system */
:root {
  --ink: #091b39;
  --ink-soft: #18345c;
  --font-sans: "IBM Plex Sans", Arial, sans-serif;
  --font-display: "IBM Plex Sans", Arial, sans-serif;
  --accent: #80bed0;
  --accent-strong: #4fa5bf;
  --pink: #ffa3f8;
  --paper: #f7fcff;
  --card: #e6f9ff;
  --line: #c9e3eb;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-3xl: 2.5rem;
  --max: min(84rem, 92vw);
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--paper); color: var(--ink); font-family: var(--font-sans); }
body:has(.mobile-menu.is-open) { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; }
.header, .hero, .section { padding-right: 4vw; padding-left: 4vw; }

.btn { display: inline-flex; position: relative; min-height: 2.5rem; align-items: center; justify-content: center; gap: var(--space-2); overflow: hidden; border: 1px solid transparent; border-radius: 999px; cursor: pointer; font-weight: 600; line-height: 1.25; letter-spacing: .01em; transition: background .2s ease, color .2s ease, border-color .2s ease; }
.btn:focus-visible { outline: 3px solid rgb(255 163 248 / .72); outline-offset: 3px; }
.btn:disabled { cursor: not-allowed; opacity: .65; }
.btn.is-sent { background: color-mix(in oklab, var(--accent) 78%, white); color: var(--ink); }
.btn-sm { min-height: 2.5rem; padding: .5rem 1.15rem; font-size: .875rem; }
.btn-lg { min-height: 3.5rem; padding: .9rem 1.75rem; font-size: clamp(1rem, .9vw, 1.15rem); }
.btn-block { width: 100%; min-height: 3rem; padding: .75rem 1.5rem; }
.shine { position: absolute; inset: 0; pointer-events: none; }
.chrome-btn { background: var(--accent); color: var(--ink); }
.chrome-btn:hover { background: rgb(255 255 255 / .14); color: #fff; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
/* On light surfaces (e.g. feedback form), keep hover contrast */
.section-light .chrome-btn:hover { background: color-mix(in oklab, var(--accent) 72%, white); color: var(--ink); }
.btn-ghost { border-color: currentColor; background: transparent; }

/* Header and navigation */
.site-header { position: fixed; z-index: 100; top: 0; left: 0; width: 100%; min-height: 5rem; visibility: hidden; opacity: 0; background: rgb(9 27 57 / .94); color: #fff; box-shadow: 0 1px 0 rgb(128 190 208 / .3); transform: translateY(-100%); transition: transform .3s ease, opacity .2s ease, visibility .3s; backdrop-filter: blur(14px); }
.site-header.is-visible { visibility: visible; opacity: 1; transform: translateY(0); }
.header-inner { display: flex; min-height: 5rem; align-items: center; gap: 1.4rem; }
.brand-mark { display: block; flex: 0 0 auto; width: 8.75rem; height: auto; }
.brand-mark img { width: 100%; height: auto; }
.footer-mark { display: block; flex: 0 0 auto; width: 10rem; }
.footer-mark img { width: 100%; height: auto; }
.mark { display: grid; width: 2.1rem; height: 2.1rem; place-items: center; border-radius: 50%; font-size: .8rem; font-weight: 700; }
.brand-name, .org-title, .stat-value { font-weight: 700; letter-spacing: -.035em; }
.brand-name { font-size: 1.05rem; }
.desktop-nav { display: flex; flex: 1; align-items: center; justify-content: center; gap: clamp(.85rem, 1.7vw, 1.75rem); font-size: .95rem; font-weight: 400; }
.desktop-nav a { color: rgb(255 255 255 / .86); transition: color .2s ease; }
.desktop-nav a:hover { color: var(--accent); }
.header-cta { margin-left: auto; flex: 0 0 auto; }
.menu-toggle { display: none; position: relative; width: 2.75rem; height: 2.75rem; margin-left: auto; border: 0; background: transparent; color: #fff; cursor: pointer; }
.menu-toggle span { position: absolute; left: 50%; display: block; width: 1.15rem; height: 1.75px; border-radius: 99px; background: currentColor; transform: translateX(-50%); transition: transform .25s ease, opacity .2s ease, width .25s ease; }
.menu-toggle span:nth-child(1) { top: .88rem; }
.menu-toggle span:nth-child(2) { top: 1.14rem; }
.menu-toggle span:nth-child(3) { top: 1.4rem; }
.menu-toggle span:nth-child(4) { top: 1.66rem; width: .8rem; }
.menu-toggle.is-open span:nth-child(1) { transform: translateX(-50%) translateY(.52rem) rotate(45deg); width: 1.15rem; }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateX(-50%) translateY(-.52rem) rotate(-45deg); width: 1.15rem; }
.menu-toggle.is-open span:nth-child(4) { width: 0; opacity: 0; }
.menu-overlay { position: fixed; z-index: 101; inset: 0; visibility: hidden; opacity: 0; background: rgb(1 10 27 / .62); transition: opacity .25s ease, visibility .25s ease; }
.menu-overlay.is-visible { visibility: visible; opacity: 1; }
.mobile-menu { position: fixed; z-index: 102; top: 0; right: 0; display: flex; width: min(260px, 84vw); height: 100dvh; flex-direction: column; padding: 1.5rem; background: var(--ink); color: #fff; box-shadow: -1rem 0 3rem rgb(1 10 27 / .24); transform: translateX(105%); transition: transform .3s cubic-bezier(.2, .8, .2, 1); }
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 1.25rem; border-bottom: 1px solid rgb(128 190 208 / .4); }
.mobile-menu-caption { color: var(--accent); font-size: .75rem; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; }
.menu-close { width: 2rem; height: 2rem; padding: 0; border: 0; background: transparent; color: #fff; font-size: 2rem; font-weight: 300; line-height: 1; cursor: pointer; }
.mobile-nav { display: grid; gap: .15rem; margin-top: 1.5rem; }
.mobile-nav a { padding: .7rem 0; font-size: 1.13rem; font-weight: 400; transition: color .2s ease, transform .2s ease; }
.mobile-nav a:hover { color: var(--accent); transform: translateX(.25rem); }
.mobile-menu-cta { margin-top: auto; padding: .9rem 1rem; }

.about-content { display: grid; max-width: 58rem; gap: 1rem; margin: 0 auto; }
.about-content p { margin: 0; font-size: clamp(1.05rem, 1.5vw, 1.25rem); line-height: 1.7; }
.about-links { display: flex; flex-wrap: wrap; gap: .75rem 1rem; margin-top: .75rem; }
.about-links .btn {
  min-height: 3rem;
  padding: .5rem 1.35rem;
  border-color: var(--accent-strong);
  color: var(--ink);
  font-weight: 500;
}
.about-links .btn:hover {
  background: color-mix(in oklab, var(--accent) 22%, white);
  border-color: var(--accent-strong);
  color: var(--ink);
}
.about-links .btn:focus-visible { outline-color: rgb(79 165 191 / .72); }
.org-grid { display: grid; width: 100%; max-width: 72rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); gap: 1.5rem; margin: 0 auto; }
.org-grid, .committee-grid { display: grid; width: 100%; }
.committee-grid { max-width: 84rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); gap: 1.5rem; margin: 0 auto; }
.committee-tabs { display: flex; width: 100%; max-width: 84rem; gap: 1.5rem; margin: 0 auto 2.5rem; padding: 0; border-bottom: 1px solid rgb(255 255 255 / .2); }
.committee-tab { flex: 0 1 auto; min-height: 3.25rem; border: 0; border-bottom: 3px solid transparent; border-radius: 0; padding: .75rem .25rem; background: transparent; color: rgb(255 255 255 / .68); cursor: pointer; font-weight: 600; line-height: 1.25; transition: color .2s ease, border-color .2s ease; }
.committee-tab:hover { background: transparent; color: #fff; }
.committee-tab.is-active { border-bottom-color: var(--accent); background: transparent; color: var(--accent); }
.committee-tab:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.committee-panel { width: 100%; max-width: 84rem; margin: 0 auto; }
.committee-grid-single { max-width: none; }
.committee-grid-single .card { width: 100%; min-height: 10rem; padding: 2.25rem 2.5rem; }
.org { display: flex; min-height: 13.5rem; flex-direction: column; align-items: center; justify-content: center; min-width: 0; text-align: center; transition: background .2s ease, color .2s ease, border-color .2s ease; }
.org-logo { width: auto; height: 3.5rem; max-width: 9rem; object-fit: contain; }
.org-logo-wide { height: 2.4rem; max-width: 10rem; }
.org-sub, .card p, .committee-grid li, .members li, .contact-intro { color: color-mix(in oklab, var(--ink) 70%, transparent); font-size: .95rem; line-height: 1.65; }
.org-sub { margin-top: .35rem; }
.card p { margin: 0; }
.committee-grid ul, .members ul { margin: .75rem 0 0; padding: 0; list-style: none; }
.committee-grid li + li, .members li + li { margin-top: .25rem; }
.section-dark .committee-grid li, .section-dark .members li { line-height: 1.45; }
.members { margin-top: 1.25rem; padding: 1.75rem; }
.split { align-items: start; }
.contact-intro { margin: 1rem 0 0; }
.meta-list { display: grid; gap: 1rem; margin-top: 2rem; }
.meta-item { display: flex; align-items: center; gap: .75rem; }
.meta-icon { display: grid; flex-shrink: 0; width: 2.5rem; height: 2.5rem; place-items: center; border-radius: 50%; background: var(--accent); font-size: .75rem; }
.meta-title { font-size: .95rem; font-weight: 600; }
.meta-sub, .legal, .muted { font-size: .82rem; color: color-mix(in oklab, var(--ink) 57%, transparent); }
.form { display: grid; gap: 1rem; margin-top: 2rem; }
.form-tight { margin-top: 0; }
.field label { display: block; margin-bottom: var(--space-2); font-size: .82rem; font-weight: 600; }
.field input, .field select, .field textarea { display: block; width: 100%; min-height: 3rem; border: 1px solid var(--line); border-radius: .65rem; padding: .75rem .9rem; outline-color: var(--accent-strong); }
.field textarea { padding-top: .8rem; }
.hp { position: absolute; left: -10000px; }
.flash { border-radius: .65rem; padding: .75rem 1rem; font-size: .875rem; }
.flash-ok { background: #dcfce7; color: #166534; }
.flash-err { background: #fee2e2; color: #991b1b; }
.footer { display: flex; flex-direction: column; align-items: center; gap: 1.5rem; text-align: center; }
.footer-brand, .footer-logos { display: flex; align-items: center; gap: .65rem; }
.footer-logos { gap: 1.25rem; flex-wrap: wrap; justify-content: center; }
.footer-logos img { width: auto; height: 1.75rem; max-width: 6rem; object-fit: contain; }

.hero { position: relative; max-width: none; min-height: 100svh; overflow: hidden; padding: 0; background: radial-gradient(circle at bottom left, #000305 0%, #00406b 100%) fixed; background-attachment: fixed; color: #fff; }
.hero-copy { position: relative; z-index: 2; display: flex; width: 100%; max-width: var(--max); min-height: 100svh; flex-direction: column; justify-content: center; margin: 0 auto; padding: 5rem 42% 5rem 0; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 1rem 1.75rem; margin-bottom: 1.5rem; }
.hero-meta-item { display: flex; min-height: 4rem; align-items: center; gap: .8rem; border: 0; border-radius: .75rem; padding: .8rem 1.25rem; background: rgb(255 255 255 / .055); color: #fff; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.hero-meta-item > .material-symbols-outlined { color: var(--accent); font-size: 1.55rem; }
.hero-meta-item > span:last-child { display: flex; flex-direction: column; gap: .1rem; }
.hero-meta-item small { color: rgb(255 255 255 / .62); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; }
.hero-meta-item strong { font-size: .9rem; font-weight: 500; line-height: 1.25; }
.hero-copy::before { content: none; }
.pill { width: fit-content; border: 1px solid rgb(128 190 208 / .65); border-radius: 999px; padding: .48rem .8rem; color: #fff; font-size: .75rem; letter-spacing: .04em; }
.dot { background: var(--pink); }
.hero h1 { margin: 1rem 0 0; font-size: clamp(2.75rem, 6.5vw, 7.5rem); font-weight: 500; line-height: 1.25em; letter-spacing: -.06em; }
.secondary-text { color: var(--accent); font-weight: 500; }
.hero-title-break, .laptop-title-break { display: block; }
.hero h1 > span + span { margin-left: .2em; }
.lead { max-width: 42rem; margin: var(--space-5) 0 0; font-size: clamp(1rem, 1.25vw, 1.2rem); line-height: 1.6; color: rgb(255 255 255 / .8); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); }
.hero-actions .btn-ghost { border-color: rgb(255 255 255 / .75); color: #fff; }
.hero-actions .btn-ghost:hover { border-color: rgb(255 255 255 / .35); background: rgb(255 255 255 / .14); color: #fff; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.stats { gap: 2.5rem; margin-top: 4rem; padding-top: 1.25rem; border-top: 1px solid rgb(255 255 255 / .24); }
.stat-value { font-size: 1.3rem; }
.stat-label { color: rgb(255 255 255 / .65); }
.hero-media { position: absolute; z-index: 0; inset: 0; width: 100%; overflow: hidden; }
.hero-media::after { position: absolute; z-index: 1; inset: 0; content: ""; background: transparent; }
.ai-network { position: absolute; z-index: 1; inset: -6% 0; width: 100%; height: 112%; transform: translateY(var(--network-parallax-y, 0)); transform-origin: center; transition: transform .28s cubic-bezier(.2, .8, .2, 1); will-change: transform; }
.ai-network-label { position: absolute; z-index: 2; right: 2rem; bottom: 2rem; display: flex; flex-direction: column; color: rgb(255 255 255 / .78); font-size: .65rem; letter-spacing: .14em; }
.ai-network-label strong { color: #fff; font-size: 1.25rem; letter-spacing: .08em; }
.ai-network-label small { margin-top: .4rem; color: var(--accent); font-size: .58rem; letter-spacing: .08em; }

.section { width: 100%; max-width: none; padding: 7.5rem max(4vw, calc((100vw - min(84rem, 92vw)) / 2)); }
.section > * { width: 100%; max-width: 84rem; margin-right: auto; margin-left: auto; }
.section-dark { background: var(--ink); color: #fff; }
.section-light { background: var(--paper); color: var(--ink); }
.section-dark .card, .section-dark .members { border-color: rgb(128 190 208 / .35); background: rgb(255 255 255 / .08); color: #fff; box-shadow: none; }
.section-dark .card p, .section-dark .committee-grid li, .section-dark .members li, .section-dark .org-sub, .section-dark .timeline-content p { color: rgb(255 255 255 / .76); }
.section-dark .section-head h2 { color: #fff; }
.section-dark .section-head .muted { color: var(--accent); }
.text-accent { color: var(--accent-strong); font-weight: 600; }
.section-dark .text-accent { color: var(--accent); }
.section:last-of-type { padding-bottom: 7.5rem; }
.section-head { display: grid; gap: var(--space-2); margin-bottom: var(--space-6); }
.section-head h2, .block-title { margin: 0; font-size: clamp(2rem, 2.8vw, 3.15rem); font-weight: 500; letter-spacing: -.055em; }
.card, .members { border: 1px solid var(--line); border-radius: var(--radius-xl); background: var(--card); box-shadow: 0 1rem 2.5rem -2rem rgb(9 27 57 / .38); }
.card { padding: 1.75rem; }
.org:hover { border-color: rgb(79 165 191 / .7); background: rgb(255 255 255 / .72); color: var(--ink); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.org:hover .org-sub { color: color-mix(in oklab, var(--ink) 70%, transparent); }
.num { border-radius: 50%; background: var(--pink); }
.label-accent { font-weight: 700; letter-spacing: .02em; }
.app-card { border-radius: var(--radius-2xl); background: var(--ink); color: #fff; }
.app-card h3 { font-family: var(--font-display); font-weight: 500; }
.app-card .legal { color: rgb(255 255 255 / .65); }
.app-card .field input, .app-card .field select, .app-card .field textarea { background: #fff; color: var(--ink); }
.footer { max-width: none; margin-top: 7.5rem; padding: 3.25rem max(4vw, calc((100vw - min(84rem, 92vw)) / 2)); background: var(--ink); color: #fff; }
.footer p { color: rgb(255 255 255 / .65); }
.footer-logos img { filter: grayscale(1) brightness(0) invert(1); opacity: .8; }

@media (min-width: 640px) { .about-grid, .committee-grid, .split { grid-template-columns: repeat(2, minmax(0, 1fr)); } .members ul { display: grid; grid-template-columns: repeat(2, 1fr); gap: .45rem 2rem; } }
@media (min-width: 700px) { .org-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 960px) { .committee-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } .footer { flex-direction: row; justify-content: space-between; text-align: left; } }
@media (min-width: 1200px) {
  .org-grid { max-width: 84rem; gap: 2rem; }
  .org { min-height: 16rem; padding: 2.5rem; }
  .org-mark { height: 5.5rem; }
  .org-logo { height: 4.75rem; max-width: 12rem; }
  .org-logo-wide { height: 3.25rem; max-width: 14rem; }
  .org-title { font-size: 1.45rem; }
  .org-sub { max-width: 18rem; font-size: 1.1rem; line-height: 1.55; }
}

@media (min-width: 851px) { .hero-copy { padding-right: 15%; } .laptop-title-break { display: block; } .hero-title-break { display: none; } .hero h1 { font-size: clamp(2.75rem, 5.6vw, 6.5rem); line-height: 1.02em; } .hero h1 .laptop-title-break + span { margin-left: .2em; } .hero h1 .chrome-text { margin-left: .2em; } }
@media (min-width: 1200px) { .hero-copy { padding-right: 10%; } .laptop-title-break { display: block; } .hero-title-break { display: none; } .hero h1 { max-width: 100%; font-size: clamp(2.75rem, 5vw, 6rem); line-height: 1.02em; white-space: normal; } .hero h1 .laptop-title-break + span { margin-left: 0; } .hero h1 .chrome-text { margin-left: .2em; } .hero-meta { gap: 1.5rem 2.5rem; margin-bottom: 2rem; } .hero-meta-item { min-height: 5.5rem; gap: 1.15rem; padding: 1.25rem 1.75rem; } .hero-meta-item > .material-symbols-outlined { font-size: 2.15rem; } .hero-meta-item small { font-size: .8rem; } .hero-meta-item strong { font-size: 1.2rem; } .lead { max-width: 48rem; font-size: clamp(1.1rem, 1.35vw, 1.35rem); } .hero-actions { gap: 1rem; } }
@media (max-width: 1050px) { .desktop-nav { gap: .9rem; font-size: .84rem; } }
@media (max-width: 850px) { .desktop-nav, .header-cta { display: none; } .menu-toggle { display: block; } .hero-copy { padding-right: 20%; } .laptop-title-break { display: block; } }
@media (max-width: 639px) { .site-header, .header-inner { min-height: 4.75rem; } .hero-copy { min-height: 100svh; padding: 7.25rem 4vw 3rem; } .hero-media::after { background: rgb(9 27 57 / .78); } .stats { gap: 1.25rem; margin-top: 3rem; } .section { padding-top: 5rem; } .section:last-of-type { padding-bottom: 5rem; } .footer { margin-top: 5rem; } .ai-network-label { right: 1rem; bottom: 1.25rem; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; } }

/* Contact and application forms */
.contact-section { padding-bottom: 0; }
.contact-layout { display: grid; gap: 1.5rem; align-items: stretch; }
.contact-panel { border: 1px solid var(--line); border-radius: var(--radius-2xl); background: #fff; padding: clamp(1.5rem, 3vw, 3rem); box-shadow: 0 1rem 2.5rem -2rem rgb(9 27 57 / .35); }
.section-kicker, .application-eyebrow { display: block; color: var(--accent-strong); font-size: .75rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.contact-panel .block-title { margin-top: .7rem; }
.contact-panel .block-title::after { background: var(--accent); }
.contact-details { margin-top: 2rem; }
.contact-details .meta-item { min-height: 4.35rem; border: 1px solid var(--line); border-radius: 1rem; padding: .75rem; background: var(--card); transition: transform .2s ease, border-color .2s ease, background .2s ease; }
a.meta-item:hover { border-color: var(--accent-strong); background: #fff; transform: translateY(-2px); }
.meta-item > span:last-child { display: grid; gap: .16rem; }
.feedback-form { margin-top: 2rem; }
.form-row { display: grid; gap: 1rem; }
.field input, .field select, .field textarea { border-color: #b9dce7; background: #fff; transition: border-color .2s ease, box-shadow .2s ease; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent-strong); box-shadow: 0 0 0 3px rgb(128 190 208 / .22); outline: 0; }
.field input.is-invalid, .field select.is-invalid, .field textarea.is-invalid,
.application-form .field input.is-invalid,
.application-form .field select.is-invalid,
.application-form .field textarea.is-invalid {
  border: 1px solid #ef4444 !important;
  box-shadow: 0 0 0 3px rgb(239 68 68 / .22) !important;
}
.field textarea { min-height: 7rem; resize: vertical; }
.feedback-submit { justify-self: start; min-width: 13rem; padding: .9rem 1.25rem; }
.application-form { gap: .85rem; border: 1px solid rgb(128 190 208 / .48); border-radius: var(--radius-2xl); padding: clamp(1.5rem, 3vw, 2.5rem); box-shadow: 0 1.25rem 3rem -2rem rgb(9 27 57 / .68); }
.application-form h3 { margin: .75rem 0 0; font-size: clamp(1.65rem, 2.3vw, 2.3rem); letter-spacing: -.045em; }
.application-mark { display: block; width: 8.75rem; height: auto; }
.application-eyebrow { color: var(--accent); }
.application-intro { margin: .6rem 0 1rem; color: rgb(255 255 255 / .72); font-size: .94rem; line-height: 1.5; }
.application-form .field label { color: rgb(255 255 255 / .84); }
.application-form .field input, .application-form .field select, .application-form .field textarea { border: 1px solid transparent; }
.application-form .field input:focus, .application-form .field select:focus, .application-form .field textarea:focus { border-color: var(--pink); box-shadow: 0 0 0 3px rgb(255 163 248 / .24); }
.application-form .btn { margin-top: .5rem; }

@media (min-width: 640px) { .form-row { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 960px) { .contact-layout:has(.application-form) { grid-template-columns: minmax(0, 1.1fr) minmax(22rem, .9fr); } }
.contact-layout:not(:has(.application-form)) { justify-items: center; }
.contact-layout:not(:has(.application-form)) .contact-panel { width: 100%; max-width: 44rem; }

/* Important dates */
.dates-section .section-head { display: flex; align-items: end; justify-content: space-between; gap: 1rem; }
.dates-section .section-head .muted { color: var(--accent); font-size: 1rem; font-weight: 600; }
.timeline { position: relative; display: grid; max-width: 72rem; gap: 2rem; margin: 0 auto; padding: 0; list-style: none; }
.timeline::before { position: absolute; top: 1.5rem; bottom: 1.5rem; left: 50%; width: 2px; content: ""; background: rgb(128 190 208 / .55); transform: translateX(-50%); }
.timeline-item { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 3.25rem minmax(0, 1fr); gap: 1.25rem; align-items: start; }
.timeline-marker {
  grid-column: 2;
  z-index: 1;
  display: grid;
  width: 1.65rem;
  height: 1.65rem;
  margin: .7rem auto;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, #c7f5ff 0%, #80bed0 48%, #4fa5bf 100%);
  box-shadow: 0 0 0 4px var(--ink), 0 0 0 6px rgb(128 190 208 / .45), 0 0 .9rem rgb(128 190 208 / .4);
  color: transparent;
}
.timeline-content { grid-column: 1; grid-row: 1; padding: .3rem 0 1.25rem; text-align: right; }
.timeline-item-reverse .timeline-content { grid-column: 3; text-align: left; }
.timeline-date {
  display: block;
  color: #80bed0;
  background-image: linear-gradient(135deg, #c7f5ff 0%, #80bed0 48%, #4fa5bf 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: clamp(1.3rem, 2vw, 1.75rem);
  font-weight: 700;
  line-height: 1.25;
}
.timeline-content p { margin: .65rem 0 0; color: var(--ink-soft); line-height: 1.6; }

@media (min-width: 1200px) {
  .timeline { max-width: 84rem; gap: 3rem; }
  .timeline-item { grid-template-columns: minmax(0, 1fr) 3.5rem minmax(0, 1fr); gap: 2.5rem; }
  .timeline-marker { width: 1.9rem; height: 1.9rem; margin: .7rem auto; }
  .timeline-date { font-size: clamp(1.55rem, 2vw, 2.1rem); }
  .timeline-content { justify-self: end; padding-top: .2rem; }
  .timeline-item-reverse .timeline-content { justify-self: start; }
  .timeline-content p { max-width: 34rem; font-size: 1.15rem; line-height: 1.7; }
}

@media (max-width: 639px) {
  /* Material Design mobile: 16px gutters and 48px interactive targets */
  .header, .hero, .section { padding-right: 1rem; padding-left: 1rem; }
  .wrap { max-width: 100%; }
  .site-header, .header-inner { min-height: 4rem; }
  .header-inner { gap: var(--space-2); }
  .brand { min-width: 0; min-height: 3rem; gap: var(--space-2); }
  .brand-mark { width: 7rem; }
  .footer-mark { width: 8rem; }
  .mark { width: 2rem; height: 2rem; }
  .brand-name { max-width: 14rem; overflow: hidden; font-size: .95rem; text-overflow: ellipsis; white-space: nowrap; }
  .menu-toggle { width: 2.75rem; height: 2.75rem; }
  .mobile-menu { width: min(22.5rem, 88vw); padding: 1.5rem 1rem; }
  .menu-close { width: 3rem; height: 3rem; font-size: 2.25rem; }
  .mobile-nav { gap: var(--space-1); margin-top: var(--space-5); }
  .mobile-nav a { display: flex; min-height: 3rem; align-items: center; padding: var(--space-2) 0; }
  .mobile-menu-cta { min-height: 3rem; }

  .hero { min-height: 100svh; }
  .hero-copy { min-height: 100svh; padding: 4.25rem 0 1.5rem; }
  .hero-meta { flex-wrap: nowrap; gap: .5rem; margin-bottom: 1rem; }
  .hero-meta-item { min-width: 0; flex: 1 1 0; min-height: 4.9rem; gap: .6rem; padding: .8rem .75rem; overflow: hidden; }
  .hero-meta-item > span:last-child { min-width: 0; }
  .hero-meta-item > .material-symbols-outlined { flex: 0 0 auto; font-size: 1.65rem; }
  .hero-meta-item small { font-size: .72rem; letter-spacing: .06em; }
  .hero-meta-item strong { max-width: 100%; overflow-wrap: anywhere; word-break: normal; font-size: clamp(.95rem, 4vw, 1.08rem); line-height: 1.25; }
  .hero h1 { margin-top: 1rem; font-size: clamp(2.45rem, 12vw, 3.3rem); line-height: 1.25em; }
  .lead { margin-top: var(--space-4); font-size: 1rem; line-height: 1.55; }
  .hero-actions { display: grid; gap: var(--space-3); margin-top: var(--space-5); }
  .hero-actions .btn { width: 100%; min-height: 3rem; }
  .stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-2); margin-top: var(--space-6); padding-top: var(--space-4); }
  .stat-value { font-size: 1rem; line-height: 1.2; }
  .stat-label { margin-top: var(--space-1); font-size: .72rem; line-height: 1.3; }
  .hero-media::after { background: transparent; }

  .section { padding: 4rem 1rem; }
  .section:last-of-type { padding-bottom: 4rem; }
  .section-head { gap: var(--space-2); margin-bottom: var(--space-5); }
  .section-head h2, .block-title { font-size: clamp(1.85rem, 9vw, 2.4rem); line-height: 1.08; }
  .about-grid, .committee-grid, .org-grid, .split { grid-template-columns: minmax(0, 1fr); gap: var(--space-4); }
  .committee-tabs { display: flex; gap: .5rem; margin-bottom: 1.75rem; overflow: visible; }
  .committee-tab { flex: 1 1 0; width: 50%; min-width: 0; min-height: 3.75rem; padding: .6rem .4rem; white-space: normal; text-align: center; line-height: 1.2; }
  .committee-panel { max-width: none; }
  .committee-grid-single { max-width: none; }
  .committee-grid-single .card { padding: 1.5rem; }
  .org { min-height: 11.5rem; }
  .about-content { max-width: none; gap: .9rem; }
  .about-links { display: grid; gap: .75rem; }
  .about-links .btn { width: 100%; min-height: 3rem; }
  .timeline { gap: 1.5rem; margin: 0; }
  .timeline::before { left: 1.5rem; transform: translateX(-50%); }
  .timeline-item, .timeline-item-reverse { grid-template-columns: 3rem minmax(0, 1fr); gap: 1rem; }
  .timeline-marker { grid-column: 1; width: 1.45rem; height: 1.45rem; margin: .7rem auto; }
  .timeline-content, .timeline-item-reverse .timeline-content { grid-column: 2; grid-row: 1; padding-top: .15rem; text-align: left; }
  .timeline-date { font-size: 1.2rem; }
  .timeline-content p { margin-top: .5rem; }
  .org-mark { height: 4.5rem; }
  .members { padding: 1.25rem; }

  .contact-details { gap: var(--space-3); margin-top: var(--space-5); }
  .contact-details .meta-item { min-height: 4.5rem; padding: var(--space-3); }
  .meta-icon { width: 2.75rem; height: 2.75rem; }
  .meta-title { overflow-wrap: anywhere; font-size: .9rem; }
  .feedback-form { margin-top: var(--space-5); }
  .form, .application-form { gap: var(--space-4); }
  .form-row { grid-template-columns: minmax(0, 1fr); gap: var(--space-4); }
  .field label { margin-bottom: var(--space-2); }
  .field input, .field select, .field textarea { min-height: 3rem; font-size: 1rem; }
  .field textarea { min-height: 8rem; }
  .feedback-submit, .application-form .btn { width: 100%; min-height: 3rem; }
  .application-form h3 { font-size: 1.8rem; }
  .application-mark { width: 7.5rem; }
  .application-intro { margin-bottom: var(--space-4); }
  .footer { gap: var(--space-4); margin-top: 4rem; padding: 2rem 1rem; }
  .footer-logos { gap: var(--space-4); }
}

/* Admin */
.brand { display: flex; align-items: center; gap: .625rem; }
.admin-shell { min-height: 100vh; }
.admin-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 4vw 0;
}
.admin-nav { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.admin-shell .chrome-btn:hover {
  background: #5ed4ea;
  color: var(--ink);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.admin-shell .btn-ghost:hover {
  background: #d7f3fa;
  border-color: var(--accent-strong);
  color: var(--ink);
}
.admin-grid { display: grid; gap: 1.25rem; padding: 2rem 4vw 4rem; }
.admin-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .8125rem; }
th, td {
  text-align: left;
  padding: .75rem .5rem;
  border-bottom: 1px solid color-mix(in oklab, var(--ink) 8%, transparent);
  vertical-align: top;
}
th { font-size: .75rem; font-weight: 600; color: color-mix(in oklab, var(--ink) 55%, transparent); }
.empty { padding: 1rem 0; color: color-mix(in oklab, var(--ink) 55%, transparent); font-size: .875rem; }
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1.5rem;
}
.login-card {
  width: 100%;
  max-width: 26rem;
  padding: clamp(1.5rem, 4vw, 2.25rem);
}
.login-card .muted { color: rgb(255 255 255 / .7); }
.login-card .block-title { color: #fff; }
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  border-radius: 999px;
  padding: .25rem .7rem;
  font-size: .75rem;
  font-weight: 600;
}
.status-on { background: color-mix(in oklab, #16a34a 14%, white); color: #166534; }
.status-off { background: color-mix(in oklab, #d97706 16%, white); color: #92400e; }
.row-2 { display: grid; gap: 1rem; }
@media (min-width: 640px) { .row-2 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 639px) {
  .admin-top, .admin-grid { padding-left: 1rem; padding-right: 1rem; }
  .login-wrap { padding: 1.5rem 1rem; }
}