/* === IPHS "AI, Humanities & Society" Design System ===
   Extracted verbatim from the working SPA, plus minimal additions
   for multipage nav (hamburger, skip-link, page-header, footer). */

:root {
  --bg-deep: #050508;
  --bg: #0a0a0f;
  --bg-card: #111118;
  --bg-card-hover: #181822;
  --text: #d4d2cd;
  --text-dim: #8a8893;  /* was #706e7a (4.07:1), now 5.84:1 — passes WCAG AA */
  --text-bright: #f5f4f0;
  --gold: #c9a84c;
  --gold-dim: rgba(201, 168, 76, 0.12);
  --gold-glow: rgba(201, 168, 76, 0.15);
  --teal: #4fd1c5;
  --teal-dim: rgba(79, 209, 197, 0.10);
  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'Manrope', -apple-system, sans-serif;
  --max-w: 1100px;
}
/* LIGHT MODE */
html.light-mode {
  --bg-deep: #faf8f5; --bg: #f5f3f0; --bg-card: #ffffff;
  --bg-card-hover: #f0ede8; --text: #2a2a3a; --text-dim: #6b6b7b;
  --text-bright: #1a1a2a; --gold: #9a7d2e; --gold-dim: rgba(154,125,46,0.12);
  --gold-glow: rgba(154,125,46,0.15); --teal: #2a8f85; --teal-dim: rgba(42,143,133,0.10);
}
html.light-mode nav { background: rgba(250,248,245,0.9); border-bottom-color: rgba(0,0,0,0.06); }
html.light-mode .hero::after { opacity: 0.03; }
html.light-mode ::selection { background: rgba(154,125,46,0.2); }
html.light-mode .hamburger span { background: var(--text-dim); }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { background: var(--bg-deep); color: var(--text); font-family: var(--sans); font-weight: 300; line-height: 1.7; font-size: 16px; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
::selection { background: var(--gold-dim); color: var(--gold); }

/* SKIP LINK */
.skip-link { position: absolute; top: -100px; left: 1rem; background: var(--gold); color: var(--bg-deep); padding: 0.5rem 1rem; border-radius: 0 0 6px 6px; font-size: 0.85rem; font-weight: 600; z-index: 200; text-decoration: none; }
.skip-link:focus { top: 0; }

/* NAV */
nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(5,5,8,0.8); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); border-bottom: 1px solid rgba(255,255,255,0.03); transition: box-shadow 0.3s; }
nav.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.3); }
nav .nav-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; display: flex; align-items: center; justify-content: space-between; height: 64px; }
nav .nav-brand { font-family: var(--sans); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); text-decoration: none; }
nav .nav-brand span { color: var(--text-dim); }
nav .nav-links { display: flex; gap: 2rem; }
nav .nav-links a { color: var(--text-dim); text-decoration: none; font-size: 0.78rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; transition: color 0.3s; }
nav .nav-links a:hover,
nav .nav-links a[aria-current="page"] { color: var(--gold); }

/* HAMBURGER */
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; z-index: 101; }
.hamburger span { display: block; width: 20px; height: 2px; background: var(--text-dim); margin: 4px 0; transition: all 0.3s; border-radius: 1px; }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

/* HERO - CINEMATIC */
.hero { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 8rem 2rem 6rem; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(201,168,76,0.06) 0%, transparent 70%), radial-gradient(ellipse 60% 50% at 20% 80%, rgba(79,209,197,0.04) 0%, transparent 60%), radial-gradient(ellipse 50% 40% at 80% 20%, rgba(201,168,76,0.03) 0%, transparent 60%); pointer-events: none; }
.hero::after { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.015'/%3E%3C/svg%3E"); opacity: 0.5; pointer-events: none; }

.hero-content { position: relative; z-index: 1; }
.hero-overline { font-family: var(--sans); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.25em; text-transform: uppercase; color: var(--gold); margin-bottom: 3rem; opacity: 0; animation: fadeIn 1s 0.3s forwards; }
.hero-overline span { color: var(--text-dim); }

.hero-numbers { display: flex; align-items: baseline; justify-content: center; gap: 0; margin-bottom: 3rem; flex-wrap: wrap; }
.hero-num-group { text-align: center; padding: 0 2.5rem; position: relative; }
.hero-num-group:not(:last-child)::after { content: '·'; position: absolute; right: -0.3rem; top: 50%; transform: translateY(-65%); font-family: var(--serif); font-size: 3rem; color: var(--text-dim); opacity: 0.3; }
.hero-num { font-family: var(--serif); font-weight: 700; line-height: 0.85; color: var(--text-bright); letter-spacing: -0.03em; }
.hero-num.n1 { font-size: clamp(5rem, 12vw, 10rem); opacity: 0; animation: countReveal 1.2s 0.5s forwards; }
.hero-num.n2 { font-size: clamp(5rem, 12vw, 10rem); opacity: 0; animation: countReveal 1.2s 0.9s forwards; }
.hero-num.n3 { font-size: clamp(4rem, 10vw, 8rem); opacity: 0; animation: countReveal 1.2s 1.3s forwards; }
.hero-num-label { font-family: var(--sans); font-size: 0.72rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-dim); margin-top: 0.8rem; opacity: 0; animation: fadeIn 0.8s 1.8s forwards; }

.hero-statement { font-family: var(--serif); font-size: clamp(1.4rem, 3vw, 2.2rem); font-weight: 400; color: var(--text-bright); line-height: 1.4; max-width: 700px; margin: 0 auto 2rem; opacity: 0; animation: fadeIn 1s 2.2s forwards; }
.hero-statement em { font-style: italic; color: var(--gold); }

.hero-sub { font-size: 0.95rem; color: var(--text-dim); max-width: 550px; margin: 0 auto; opacity: 0; animation: fadeIn 1s 2.6s forwards; }

/* PAGE HEADER (subpages - shorter hero) */
.page-header { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 10rem 2rem 5rem; position: relative; overflow: hidden; }
.page-header::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(201,168,76,0.06) 0%, transparent 70%), radial-gradient(ellipse 60% 50% at 20% 80%, rgba(79,209,197,0.04) 0%, transparent 60%); pointer-events: none; }
.page-header .section-label { position: relative; z-index: 1; }
.page-header h1 { font-family: var(--serif); font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 400; color: var(--text-bright); line-height: 1.15; margin-bottom: 1rem; position: relative; z-index: 1; }
.page-header h1 em { font-style: italic; color: var(--gold); }
.page-header p { color: var(--text-dim); font-size: 0.95rem; max-width: 600px; position: relative; z-index: 1; }

/* CTA BUTTON */
.cta-btn { display: inline-block; background: var(--gold); color: var(--bg-deep); padding: 0.75rem 2rem; border-radius: 8px; font-family: var(--sans); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none; transition: background 0.3s; }
.cta-btn:hover { background: #d4b35a; }

/* SEPARATOR */
.sep { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; }
.sep hr { border: none; height: 1px; background: linear-gradient(90deg, transparent 0%, rgba(201,168,76,0.2) 50%, transparent 100%); }

/* SECTIONS */
section { padding: 7rem 2rem; max-width: var(--max-w); margin: 0 auto; }
.section-label { font-size: 0.68rem; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold); margin-bottom: 1.2rem; }
section h2 { font-family: var(--serif); font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 400; color: var(--text-bright); line-height: 1.15; margin-bottom: 1.5rem; }
section h2 em { font-style: italic; color: var(--gold); }

/* TIMELINE */
.timeline { position: relative; padding-left: 3rem; }
.timeline::before { content: ''; position: absolute; left: 0.5rem; top: 0; bottom: 0; width: 1px; background: linear-gradient(180deg, var(--gold) 0%, rgba(201,168,76,0.1) 100%); }
.timeline-item { position: relative; margin-bottom: 2.5rem; padding-bottom: 2.5rem; border-bottom: 1px solid rgba(255,255,255,0.03); }
.timeline-item:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.timeline-item::before { content: ''; position: absolute; left: -2.65rem; top: 0.4rem; width: 9px; height: 9px; border-radius: 50%; background: var(--bg-deep); border: 2px solid var(--gold); }
.timeline-item.milestone::before { background: var(--gold); box-shadow: 0 0 12px var(--gold-glow); width: 11px; height: 11px; left: -2.72rem; }
.timeline-year { font-family: var(--serif); font-size: 1.5rem; font-weight: 700; color: var(--gold); margin-bottom: 0.3rem; }
.timeline-title { font-size: 1rem; font-weight: 500; color: var(--text-bright); margin-bottom: 0.3rem; }
.timeline-desc { font-size: 0.88rem; color: var(--text-dim); line-height: 1.6; }

/* IMPACT NUMBERS */
.impact-banner { background: var(--bg-card); border: 1px solid rgba(201,168,76,0.08); border-radius: 16px; padding: 4rem 3rem; text-align: center; margin: 4rem auto; max-width: var(--max-w); }
.impact-banner-title { font-family: var(--serif); font-size: 1.3rem; color: var(--text-bright); margin-bottom: 3rem; }
.impact-banner-title em { color: var(--gold); font-style: italic; }
.impact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.impact-item { }
.impact-num { font-family: var(--serif); font-size: clamp(2.2rem, 4vw, 3.2rem); font-weight: 700; color: var(--text-bright); line-height: 1; margin-bottom: 0.5rem; }
.impact-num .accent { color: var(--gold); }
.impact-label { font-size: 0.78rem; color: var(--text-dim); line-height: 1.4; }

/* GLOBAL REACH */
.reach-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255,255,255,0.03); border-radius: 12px; overflow: hidden; margin-bottom: 2rem; }
.reach-stat { background: var(--bg-card); padding: 2.5rem 2rem; text-align: center; transition: background 0.3s; }
.reach-stat:hover { background: var(--bg-card-hover); }
.reach-num { font-family: var(--serif); font-size: 2.5rem; font-weight: 700; color: var(--gold); margin-bottom: 0.4rem; }
.reach-label { font-size: 0.82rem; color: var(--text-dim); }
.reach-institutions { font-size: 0.85rem; color: var(--text-dim); line-height: 2; text-align: center; margin-top: 2rem; }
.reach-institutions strong { color: var(--text); font-weight: 500; }

/* WHAT COMES NEXT */
.next-section { background: linear-gradient(135deg, rgba(201,168,76,0.04) 0%, rgba(79,209,197,0.03) 100%); border: 1px solid rgba(201,168,76,0.08); border-radius: 16px; padding: 5rem 4rem; margin: 4rem auto; max-width: var(--max-w); text-align: center; }
.next-section .section-label { margin-bottom: 1.5rem; }
.next-section h2 { margin-bottom: 1.5rem; }
.next-desc { font-size: 1.05rem; color: var(--text); line-height: 1.85; max-width: 650px; margin: 0 auto 2.5rem; }
.next-desc strong { color: var(--text-bright); font-weight: 500; }
.next-pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; text-align: left; margin-top: 3rem; }
.next-pillar { border-top: 2px solid var(--gold); padding-top: 1.2rem; }
.next-pillar-title { font-family: var(--serif); font-size: 1.1rem; color: var(--text-bright); margin-bottom: 0.5rem; }
.next-pillar-desc { font-size: 0.85rem; color: var(--text-dim); line-height: 1.6; }

/* SPEAKERS */
.speakers-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }
.speaker-card { border: 1px solid rgba(255,255,255,0.05); border-radius: 10px; padding: 2rem; text-align: center; transition: border-color 0.3s; }
.speaker-card:hover { border-color: rgba(201,168,76,0.15); }
.speaker-placeholder { width: 80px; height: 80px; border-radius: 50%; background: var(--bg-card); border: 1px solid rgba(255,255,255,0.06); margin: 0 auto 1rem; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--text-dim); }
.speaker-name { font-family: var(--serif); font-size: 1.05rem; color: var(--text-bright); margin-bottom: 0.3rem; }
.speaker-affil { font-size: 0.82rem; color: var(--text-dim); }

/* DIVERSITY */
.diversity-block { background: var(--bg-card); border-radius: 12px; padding: 3rem; border: 1px solid rgba(255,255,255,0.04); margin: 2rem 0; }
.diversity-title { font-family: var(--serif); font-size: 1.3rem; color: var(--text-bright); margin-bottom: 1.5rem; text-align: center; }
.diversity-bars { max-width: 500px; margin: 0 auto; }
.diversity-row { display: flex; align-items: center; margin-bottom: 1rem; gap: 1rem; }
.diversity-label { font-size: 0.82rem; color: var(--text-dim); width: 80px; text-align: right; flex-shrink: 0; }
.diversity-bar-outer { flex: 1; height: 28px; background: rgba(255,255,255,0.03); border-radius: 4px; overflow: hidden; position: relative; }
.diversity-bar-inner { height: 100%; border-radius: 4px; display: flex; align-items: center; padding-left: 0.8rem; font-size: 0.78rem; font-weight: 600; color: var(--bg-deep); transition: width 1.5s ease; }
.diversity-bar-inner.women { background: linear-gradient(90deg, var(--gold), #d4b85c); width: 61%; }
.diversity-bar-inner.black { background: linear-gradient(90deg, var(--teal), #6ae0d5); width: 13%; min-width: 50px; }
.diversity-bar-inner.latinx { background: linear-gradient(90deg, #a78bfa, #c4b5fd); width: 11%; min-width: 45px; }
.diversity-bar-inner.nonstem { background: linear-gradient(90deg, #f59e0b, #fbbf24); width: 90%; }
.diversity-pct { font-size: 0.82rem; color: var(--text-dim); width: 40px; flex-shrink: 0; }

/* DONATE */
.donate-section { text-align: center; padding: 6rem 2rem; max-width: var(--max-w); margin: 0 auto; }
.donate-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; max-width: 700px; margin: 2rem auto 0; }
.donate-card { border: 1px solid rgba(201,168,76,0.15); border-radius: 12px; padding: 2.5rem 2rem; transition: all 0.3s; cursor: pointer; text-decoration: none; display: block; color: inherit; }
.donate-card:hover { border-color: var(--gold); background: rgba(201,168,76,0.04); transform: translateY(-2px); }
.donate-icon { font-size: 2rem; margin-bottom: 1rem; }
.donate-title { font-family: var(--serif); font-size: 1.15rem; color: var(--text-bright); margin-bottom: 0.5rem; }
.donate-desc { font-size: 0.85rem; color: var(--text-dim); line-height: 1.6; }

/* CONTACT */
.contact-bar { text-align: center; padding: 4rem 2rem; }
.contact-bar a { color: var(--gold); text-decoration: none; font-family: var(--serif); font-size: 1.2rem; border-bottom: 1px solid var(--gold-dim); padding-bottom: 0.2rem; transition: border-color 0.3s; }
.contact-bar a:hover { border-color: var(--gold); }

/* FOOTER */
.site-footer { border-top: 1px solid rgba(255,255,255,0.03); padding: 4rem 2rem 2rem; }
.footer-inner { max-width: var(--max-w); margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; }
.footer-title { font-family: var(--serif); font-size: 1.1rem; color: var(--gold); margin-bottom: 0.8rem; }
.footer-brand p { font-size: 0.82rem; color: var(--text-dim); line-height: 1.7; }
.footer-brand .footer-people { margin-top: 0.8rem; }
.footer-brand a { color: var(--text-dim); text-decoration: none; border-bottom: 1px solid rgba(255,255,255,0.06); transition: color 0.2s; }
.footer-brand a:hover { color: var(--gold); }
.footer-heading { font-size: 0.68rem; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); margin-bottom: 1rem; }
.footer-links { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a { color: var(--text-dim); text-decoration: none; font-size: 0.82rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--gold); }
.footer-bottom { max-width: var(--max-w); margin: 3rem auto 0; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.03); text-align: center; font-size: 0.72rem; color: var(--text-dim); }
.footer-bottom a { color: var(--text-dim); text-decoration: none; }
.footer-bottom a:hover { color: var(--gold); }

/* 404 */
.error-page { min-height: 60vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 10rem 2rem 6rem; }
.error-page .error-code { font-family: var(--serif); font-size: clamp(6rem, 15vw, 12rem); font-weight: 700; color: var(--gold); line-height: 1; opacity: 0.3; }
.error-page h1 { font-family: var(--serif); font-size: 1.5rem; color: var(--text-bright); margin: 1rem 0; font-weight: 400; }
.error-page p { color: var(--text-dim); font-size: 0.95rem; margin-bottom: 2rem; }

/* FORM INPUTS */
.form-input { background: var(--bg-card); border: 1px solid rgba(255,255,255,0.08); border-radius: 8px; padding: 0.9rem 1.2rem; color: var(--text-bright); font-family: var(--sans); font-size: 0.92rem; outline: none; transition: border-color 0.3s; width: 100%; }
.form-input:focus { border-color: rgba(201,168,76,0.3); }
.form-input::placeholder { color: var(--text-dim); }

/* THEME TOGGLE */
.theme-toggle { background: none; border: 1px solid rgba(255,255,255,0.08); border-radius: 6px; padding: 0.3rem 0.5rem; cursor: pointer; font-size: 0.85rem; color: var(--text-dim); transition: color 0.3s; line-height: 1; }
.theme-toggle:hover { color: var(--gold); }
html.light-mode .theme-toggle { border-color: rgba(0,0,0,0.1); }

/* SCROLL PROGRESS */
.scroll-progress { position: fixed; top: 0; left: 0; height: 2px; background: var(--gold); z-index: 200; width: 0; }

/* FOCUS & REDUCED MOTION */
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* ANIMATIONS */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes countReveal { from { opacity: 0; transform: translateY(30px) scale(0.95); } to { opacity: 1; transform: translateY(0) scale(1); } }
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal-right { opacity: 0; transform: translateX(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal-scale { opacity: 0; transform: scale(0.95); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal-left.visible, .reveal-right.visible, .reveal-scale.visible { opacity: 1; transform: none; }

/* STAGGER DELAYS */
.impact-grid .impact-item:nth-child(2) { transition-delay: 0.1s; }
.impact-grid .impact-item:nth-child(3) { transition-delay: 0.2s; }
.impact-grid .impact-item:nth-child(4) { transition-delay: 0.3s; }

/* NAV ACTIVE INDICATOR */
nav .nav-links a { position: relative; }
nav .nav-links a[aria-current="page"]::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 2px; background: var(--gold); border-radius: 1px;
}

/* CARD HOVER EFFECTS */
.research-card, .collab-card, .speaker-card { transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s; }
.research-card:hover, .collab-card:hover, .speaker-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
html.light-mode .research-card:hover, html.light-mode .collab-card:hover, html.light-mode .speaker-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

/* FILTER BUTTONS */
.filter-bar { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-bottom: 2rem; }
.filter-btn { background: var(--bg-card); border: 1px solid rgba(255,255,255,0.06); border-radius: 6px; padding: 0.4rem 1rem; color: var(--text-dim); font-family: var(--sans); font-size: 0.78rem; font-weight: 500; letter-spacing: 0.04em; cursor: pointer; transition: all 0.3s; }
.filter-btn:hover { color: var(--gold); border-color: rgba(201,168,76,0.2); }
.filter-btn.active { background: var(--gold-dim); color: var(--gold); border-color: rgba(201,168,76,0.3); }
html.light-mode .filter-btn { border-color: rgba(0,0,0,0.08); }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-left, .reveal-right, .reveal-scale { opacity: 1; transform: none; transition: none; }
  .hero-overline, .hero-num, .hero-num-label, .hero-statement, .hero-sub { opacity: 1; animation: none; }
  .diversity-bar-inner { transition: none; }
  .scroll-progress { display: none; }
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hamburger { display: block; }
  nav .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; background: rgba(5,5,8,0.95); backdrop-filter: blur(24px); flex-direction: column; padding: 1.5rem 2rem; gap: 1.2rem; border-bottom: 1px solid rgba(255,255,255,0.05); }
  nav .nav-links.open { display: flex; }
  .hero-num-group { padding: 0 1.2rem; }
  .impact-grid { grid-template-columns: repeat(2, 1fr); }
  .reach-stats { grid-template-columns: 1fr; }
  .next-pillars { grid-template-columns: 1fr; }
  .donate-options { grid-template-columns: 1fr; }
  .next-section { padding: 3rem 2rem; }
  section { padding: 5rem 1.5rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .speakers-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .hero-numbers { flex-direction: column; gap: 2rem; }
  .hero-num-group::after { display: none; }
  .impact-grid { grid-template-columns: 1fr 1fr; }
}

/* PRINT */
@media print {
  body { background: #fff; color: #000; }
  nav, .skip-link, .hamburger { display: none; }
  .hero::before, .hero::after { display: none; }
  .reveal { opacity: 1; transform: none; }
  a { color: #000; }
}