/* ==========================================================================
   Contribio at LSBU: promotional site
   Palette and shapes follow londonsouthbank's public site (deep purple header,
   violet panels, raspberry pill buttons, yellow-ringed cards, light grey bands).
   ========================================================================== */

:root {
  --purple: #3a2658;        /* header / footer / headings */
  --purple-deep: #2a1b40;
  --violet: #55488f;        /* feature panels */
  --raspberry: #b62e5f;     /* primary CTA */
  --raspberry-dark: #a73a5f;
  --magenta: #842c7e;
  --blue: #2670ad;          /* secondary CTA */
  --blue-dark: #0964af;
  --bright-blue: #2a4eef;
  --orange: #df7e3c;
  --yellow: #f3c147;
  --grey: #f4f4f4;
  --grey-line: #d6d6d6;
  --ink: #141414;
  --muted: #4a4458;
  --white: #fff;
  --green: #17a35b;         /* Contribio dot */

  --radius-card: 24px;
  --radius-pill: 50px;
  --shadow: 0 18px 40px -18px rgba(58, 38, 88, .35);
  --container: 1200px;
  --header-h: 76px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --font: "Outfit", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--blue-dark); }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.1; margin: 0 0 .5em; color: var(--purple); letter-spacing: -.01em; }
h2 { font-size: clamp(30px, 4vw, 48px); }
h3 { font-size: 24px; }
p { margin: 0 0 1em; }
.container { width: min(var(--container), 100% - 48px); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 200; background: var(--yellow); color: var(--purple); padding: 10px 16px; border-radius: 8px; font-weight: 700; }
.skip-link:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }
.ms { font-family: "Material Symbols Rounded"; font-weight: normal; font-style: normal; font-size: 24px; line-height: 1; display: inline-block; text-transform: none; letter-spacing: normal; white-space: nowrap; direction: ltr; -webkit-font-smoothing: antialiased; width: 1em; overflow: hidden; flex-shrink: 0; font-variation-settings: "FILL" 1, "wght" 500; }

/* ---------- scroll progress ---------- */
.progress { position: fixed; inset: 0 0 auto 0; height: 4px; z-index: 120; transform-origin: 0 50%; transform: scaleX(0);
  background: linear-gradient(90deg, var(--yellow), var(--orange), var(--raspberry)); }

/* ---------- header (Contribio) ---------- */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 100; background: var(--purple); color: #fff;
  transition: background .4s var(--ease), box-shadow .4s var(--ease); }
.site-header.scrolled { background: rgba(42, 27, 64, .94); backdrop-filter: blur(10px); box-shadow: 0 8px 30px -12px rgba(0,0,0,.45); }
.header-inner { height: var(--header-h); display: flex; align-items: center; gap: 24px; transition: height .4s var(--ease); }
.site-header.scrolled .header-inner { height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: #fff; flex-shrink: 0; }
.brand-icon { width: 44px; height: 44px; background: #fff; border-radius: 12px; padding: 4px; transition: transform .6s var(--ease); }
.brand:hover .brand-icon { transform: rotate(-12deg) scale(1.05); }
.brand-word { height: 26px; width: auto; }
.brand-tag { font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; padding: 4px 10px; border-radius: var(--radius-pill);
  background: rgba(243, 193, 71, .16); color: var(--yellow); border: 1px solid rgba(243, 193, 71, .4); }
.main-nav { margin-left: auto; }
.main-nav ul { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; }
.main-nav a { position: relative; color: #fff; text-decoration: none; font-weight: 500; padding: 10px 14px; border-radius: var(--radius-pill); transition: background .25s; }
.main-nav a:hover { background: rgba(255, 255, 255, .1); }
.main-nav a[aria-current="page"]::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 3px; border-radius: 3px; background: var(--yellow); }
.header-cta { flex-shrink: 0; }
.menu-toggle { display: none; margin-left: auto; background: none; border: 0; color: #fff; width: 44px; height: 44px; cursor: pointer; position: relative; }
.menu-toggle span { position: absolute; left: 10px; right: 10px; height: 2px; background: #fff; border-radius: 2px; transition: transform .35s var(--ease), opacity .2s; }
.menu-toggle span:nth-child(1) { top: 14px; } .menu-toggle span:nth-child(2) { top: 21px; left: 16px; } .menu-toggle span:nth-child(3) { top: 28px; }
.nav-open .menu-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-open .menu-toggle span:nth-child(2) { opacity: 0; }
.nav-open .menu-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- buttons ---------- */
.btn { --bg: var(--raspberry); --bg-h: var(--raspberry-dark); display: inline-flex; align-items: center; gap: 10px; font: 700 16px/1 var(--font);
  color: #fff; background: var(--bg); padding: 16px 28px; border-radius: var(--radius-pill); text-decoration: none; border: 1px solid transparent;
  cursor: pointer; position: relative; overflow: hidden; isolation: isolate; transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .25s; }
.btn::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,.28), transparent 60%);
  opacity: 0; transition: opacity .3s; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 24px -10px rgba(182, 46, 95, .7); background: var(--bg-h); }
.btn:hover::before { opacity: 1; }
.btn .ms { font-size: 20px; transition: transform .35s var(--ease); }
.btn:hover .ms { transform: translateX(4px); }
.btn-blue { --bg: var(--blue); --bg-h: var(--blue-dark); border-color: var(--blue-dark); }
.btn-blue:hover { box-shadow: 0 12px 24px -10px rgba(9, 100, 175, .7); }
.btn-ghost { --bg: transparent; --bg-h: rgba(255,255,255,.1); border-color: rgba(255,255,255,.7); }
.btn-ghost:hover { box-shadow: none; }
.btn-outline { --bg: #fff; --bg-h: var(--grey); color: var(--purple); border: 2px solid var(--purple); }
.btn-outline:hover { box-shadow: 0 12px 24px -12px rgba(58,38,88,.5); }
.btn-sm { padding: 12px 22px; font-size: 15px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: grid; align-items: center; color: #fff; overflow: hidden; padding: calc(var(--header-h) + 48px) 0 72px; }
.hero-media { position: absolute; inset: 0; z-index: -2; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.12); animation: kenburns 22s var(--ease) forwards; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(180deg, rgba(42,27,64,.55) 0%, rgba(42,27,64,.35) 40%, rgba(42,27,64,.85) 100%),
              linear-gradient(90deg, rgba(42,27,64,.7), rgba(42,27,64,0) 70%); }
@keyframes kenburns { to { transform: scale(1); } }
.hero-inner { max-width: 900px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--yellow); margin-bottom: 18px; }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 rgba(23,163,91,.7); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(23,163,91,0); } 100% { box-shadow: 0 0 0 0 rgba(23,163,91,0); } }
.hero h1 { color: #fff; font-size: clamp(48px, 9vw, 112px); line-height: .92; text-transform: uppercase; letter-spacing: -.02em; margin-bottom: 20px; }
.hero h1 .line { display: block; overflow: hidden; padding-bottom: .04em; }
.hero h1 .word { display: inline-block; transform: translateY(105%); transition: transform 1s var(--ease); }
.hero.is-in h1 .word { transform: none; }
.hero h1 .gold { background: linear-gradient(180deg, #ffe08a 0%, var(--yellow) 45%, #d99a1f 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lede { font-size: clamp(19px, 2.2vw, 24px); max-width: 640px; color: rgba(255,255,255,.92); margin-bottom: 30px; }
.hero-fade { opacity: 0; transform: translateY(18px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.hero.is-in .hero-fade { opacity: 1; transform: none; }
.hero.is-in .hero-fade.d1 { transition-delay: .55s; } .hero.is-in .hero-fade.d2 { transition-delay: .7s; } .hero.is-in .hero-fade.d3 { transition-delay: .85s; }

/* LSBU-style coloured pill bars, used as an audience switcher */
.pill-bars { display: grid; gap: 10px; margin-top: 40px; max-width: 560px; }
.pill-bar { display: flex; align-items: center; justify-content: space-between; color: #fff; text-decoration: none; font-weight: 600;
  padding: 9px 22px; border-radius: var(--radius-pill); background: var(--c); transition: transform .4s var(--ease), padding .4s var(--ease), filter .3s; }
.pill-bar .ms { font-size: 20px; opacity: .8; transition: transform .4s var(--ease); }
.pill-bar:hover { transform: translateX(8px); filter: brightness(1.1); }
.pill-bar:hover .ms { transform: translateX(4px); }
.pill-bar[aria-current="page"] { outline: 2px solid var(--yellow); outline-offset: 2px; }
.pb-violet { --c: var(--violet); } .pb-orange { --c: var(--orange); } .pb-blue { --c: #3b70a7; } .pb-magenta { --c: var(--magenta); }

.scroll-cue { position: absolute; left: 50%; bottom: 22px; translate: -50% 0; color: #fff; opacity: .75; animation: bob 2.2s ease-in-out infinite; text-decoration: none; }
@keyframes bob { 50% { transform: translateY(8px); } }

/* ---------- sections ---------- */
.section { padding: clamp(72px, 9vw, 120px) 0; position: relative; }
.section.grey { background: var(--grey); }
.section-head { max-width: 760px; margin-bottom: 52px; }
.section-head.center { margin-inline: auto; text-align: center; }
.kicker { display: inline-block; font-weight: 700; font-size: 14px; letter-spacing: .14em; text-transform: uppercase; color: var(--raspberry); margin-bottom: 10px; }
.section-head p { font-size: 19px; color: var(--muted); }

/* ---------- do this / do this / get that ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; position: relative; counter-reset: step; }
.steps-line { position: absolute; top: 46px; left: 16%; right: 16%; height: 4px; border-radius: 4px; background: var(--grey-line); overflow: hidden; }
.steps-line i { position: absolute; inset: 0; transform-origin: 0 50%; transform: scaleX(0); transition: transform 1.6s var(--ease) .3s;
  background: linear-gradient(90deg, var(--violet), var(--raspberry), var(--yellow)); }
.steps.is-in .steps-line i { transform: scaleX(1); }
.step { text-align: center; position: relative; }
.step-badge { width: 96px; height: 96px; margin: 0 auto 22px; border-radius: 50%; display: grid; place-items: center; background: #fff; border: 3px solid var(--yellow);
  color: var(--purple); position: relative; z-index: 1; box-shadow: var(--shadow); transition: transform .5s var(--ease); }
.step:hover .step-badge { transform: translateY(-6px) rotate(-6deg); }
.step-badge .ms { font-size: 40px; }
.step-badge b { position: absolute; top: -6px; right: -6px; width: 32px; height: 32px; border-radius: 50%; background: var(--raspberry); color: #fff; font-size: 15px; display: grid; place-items: center; }
.step.get .step-badge { background: var(--purple); color: var(--yellow); }
.step.get .step-badge b { background: var(--green); }
.step-label { display: block; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; font-size: 14px; color: var(--raspberry); margin-bottom: 6px; }
.step.get .step-label { color: var(--green); }
.step h3 { font-size: 26px; margin-bottom: 8px; }
.step p { color: var(--muted); max-width: 320px; margin-inline: auto; }

/* ---------- cards (LSBU "box": 24px radius, yellow line) ---------- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card { background: #fff; border: 1px solid var(--yellow); border-radius: var(--radius-card); padding: 32px; position: relative; overflow: hidden;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .3s; transform-style: preserve-3d; }
.card::after { content: ""; position: absolute; left: 32px; right: 32px; bottom: 0; height: 3px; background: var(--yellow); transform: scaleX(.25); transform-origin: 0 50%; transition: transform .6s var(--ease); }
.card:hover { box-shadow: var(--shadow); }
.card:hover::after { transform: scaleX(1); }
.card .icon { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; margin-bottom: 18px; color: #fff; background: var(--c, var(--violet)); }
.card .icon .ms { font-size: 30px; }
.card h3 { font-size: 22px; margin-bottom: 8px; }
.card p { color: var(--muted); margin: 0; }
.card .tag { display: inline-block; margin-top: 14px; font-size: 13px; font-weight: 700; color: var(--raspberry); }
.c-violet { --c: var(--violet); } .c-rasp { --c: var(--raspberry); } .c-blue { --c: var(--blue); } .c-orange { --c: var(--orange); } .c-magenta { --c: var(--magenta); } .c-green { --c: var(--green); } .c-purple { --c: var(--purple); }

/* ---------- stat circles ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; border: 1px solid var(--yellow); border-radius: var(--radius-card); padding: 32px 20px 26px; background: #fff; }
.stat-ring { width: 128px; height: 128px; margin: 0 auto 16px; border-radius: 50%; border: 2px solid var(--yellow); display: grid; place-items: center;
  font-size: 34px; font-weight: 800; color: var(--purple); line-height: 1; position: relative; }
.stat-ring small { display: block; font-size: 15px; font-weight: 600; color: var(--muted); margin-top: 4px; }
.stat p { color: var(--raspberry); margin: 0; font-size: 15px; }

/* ---------- split panel (image + violet) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; min-height: 560px; }
.split-media { position: relative; overflow: hidden; }
.split-media img { position: absolute; inset: -8% 0; width: 100%; height: 116%; object-fit: cover; will-change: transform; }
.split-panel { background: var(--violet); color: #fff; display: flex; flex-direction: column; justify-content: center; padding: clamp(40px, 7vw, 96px); }
.split-panel h2 { color: #fff; }
.split-panel p { color: rgba(255,255,255,.9); font-size: 18px; max-width: 520px; }
.split-panel ul { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 12px; }
.split-panel li { display: flex; gap: 12px; align-items: flex-start; }
.split-panel li .ms { color: var(--yellow); font-size: 22px; margin-top: 2px; }
.split.reverse .split-media { order: 2; }
.split.purple .split-panel { background: var(--purple); }

/* ---------- tiers ---------- */
.tiers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.tier { border-radius: var(--radius-card); padding: 26px; color: #fff; position: relative; overflow: hidden; background: var(--t); min-height: 200px; transition: transform .5s var(--ease); }
.tier:hover { transform: translateY(-6px); }
.tier::before { content: ""; position: absolute; width: 180px; height: 180px; right: -60px; top: -60px; border-radius: 50%; background: rgba(255,255,255,.12); }
.tier h3 { color: #fff; font-size: 24px; margin-bottom: 2px; }
.tier .req { font-size: 14px; opacity: .85; display: block; margin-bottom: 14px; }
.tier p { margin: 0; font-size: 15px; }
.t-bronze { --t: linear-gradient(135deg, #9a5b2e, #c88a57); }
.t-silver { --t: linear-gradient(135deg, #5d6a7c, #94a2b5); }
.t-gold { --t: linear-gradient(135deg, #b9821c, #e9b949); }
.t-plat { --t: linear-gradient(135deg, var(--purple), var(--violet)); }

/* ---------- skills marquee ---------- */
.marquee { overflow: hidden; padding: 18px 0; background: var(--purple); color: #fff; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; gap: 14px; width: max-content; animation: marquee 38s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border-radius: var(--radius-pill); border: 1px solid rgba(243,193,71,.5); font-weight: 600; white-space: nowrap; }
.chip .ms { color: var(--yellow); font-size: 20px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- photo strip ---------- */
.photo-card { border-radius: var(--radius-card); overflow: hidden; position: relative; aspect-ratio: 4 / 3; }
.photo-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.photo-card:hover img { transform: scale(1.06); }
.photo-card figcaption { position: absolute; left: 16px; bottom: 16px; right: 16px; color: #fff; font-weight: 700; font-size: 20px; text-shadow: 0 2px 12px rgba(0,0,0,.5); }
.photo-card::after { content: ""; position: absolute; inset: 40% 0 0; background: linear-gradient(transparent, rgba(42,27,64,.85)); }
.photo-card figcaption { z-index: 1; }

/* ---------- FAQ ---------- */
.faq { max-width: 860px; margin-inline: auto; display: grid; gap: 14px; }
.faq details { border: 1px solid var(--grey-line); border-radius: 18px; background: #fff; overflow: hidden; transition: border-color .3s, box-shadow .3s; }
.faq details[open] { border-color: var(--yellow); box-shadow: var(--shadow); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 64px 22px 26px; font-weight: 700; font-size: 19px; color: var(--purple); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 22px; top: 50%; width: 32px; height: 32px; margin-top: -16px; border-radius: 50%; background: var(--grey);
  display: grid; place-items: center; font-size: 22px; font-weight: 500; transition: transform .4s var(--ease), background .3s; }
.faq details[open] summary::after { transform: rotate(45deg); background: var(--yellow); }
.faq .answer { padding: 0 26px; color: var(--muted); overflow: hidden; }
.faq .answer p:last-child { margin: 0 0 22px; }

/* ---------- CTA band + contact ---------- */
.cta-band { background: linear-gradient(120deg, var(--purple) 0%, var(--violet) 55%, var(--magenta) 100%); color: #fff; border-radius: 32px; padding: clamp(40px, 6vw, 72px);
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; position: relative; overflow: hidden; }
.cta-band::before, .cta-band::after { content: ""; position: absolute; border-radius: 50%; border: 2px solid rgba(243,193,71,.35); }
.cta-band::before { width: 340px; height: 340px; right: -100px; top: -140px; animation: spin 30s linear infinite; border-style: dashed; }
.cta-band::after { width: 220px; height: 220px; left: -80px; bottom: -110px; }
@keyframes spin { to { transform: rotate(360deg); } }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.9); font-size: 19px; }
.contact-list { display: grid; gap: 14px; position: relative; z-index: 1; }
.contact-item { display: flex; align-items: center; gap: 14px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); border-radius: 18px; padding: 16px 18px;
  color: #fff; text-decoration: none; transition: background .3s, transform .4s var(--ease); }
.contact-item:hover { background: rgba(255,255,255,.18); transform: translateX(6px); }
.contact-item .ms { width: 44px; height: 44px; border-radius: 12px; background: var(--yellow); color: var(--purple); display: grid; place-items: center; font-size: 24px; flex-shrink: 0; }
.contact-item small { display: block; opacity: .8; font-size: 14px; }
.contact-item strong { font-size: 18px; }

/* ---------- organisers ---------- */
.organisers { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.org { display: flex; gap: 20px; align-items: flex-start; text-decoration: none; color: inherit; }
.org .icon { flex-shrink: 0; }
.org h3 { margin-bottom: 4px; }
.org .link { font-weight: 700; color: var(--blue-dark); display: inline-flex; align-items: center; gap: 4px; margin-top: 10px; }

/* ---------- footer (Contribio) ---------- */
.site-footer { background: var(--purple-deep); color: rgba(255,255,255,.85); padding: 72px 0 28px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.site-footer h4 { color: #fff; font-size: 15px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 16px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer a { color: rgba(255,255,255,.85); text-decoration: none; transition: color .2s; }
.site-footer a:hover { color: var(--yellow); }
.footer-brand .brand { margin-bottom: 18px; }
.footer-brand p { font-size: 15px; max-width: 320px; }
.footer-bottom { margin-top: 56px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.15); display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; font-size: 13px; color: rgba(255,255,255,.6); }
.footer-bottom a { color: rgba(255,255,255,.75); }
.credit { font-size: 12px; color: rgba(255,255,255,.45); }

/* ---------- reveal animations ---------- */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: var(--d, 0s); }
.reveal.from-left { transform: translateX(-48px); }
.reveal.from-right { transform: translateX(48px); }
.reveal.zoom { transform: scale(.92); }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal, .no-js .hero-fade { opacity: 1; transform: none; }
.no-js .hero h1 .word { transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .main-nav, .header-cta { display: none; }
  .menu-toggle { display: block; }
  .nav-open .main-nav { display: block; position: fixed; inset: var(--header-h) 0 0 0; background: var(--purple); padding: 24px; animation: drop .45s var(--ease); overflow-y: auto; }
  .nav-open .main-nav ul { flex-direction: column; gap: 6px; }
  .nav-open .main-nav a { display: block; font-size: 22px; padding: 14px 18px; }
  .nav-open .main-nav .mobile-only { display: block; margin-top: 16px; }
  .grid-4, .stats, .tiers { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@keyframes drop { from { opacity: 0; transform: translateY(-12px); } }
.main-nav .mobile-only { display: none; }
@media (max-width: 860px) {
  .grid-3, .grid-2, .organisers { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 44px; }
  .steps-line { display: none; }
  .split { grid-template-columns: 1fr; }
  .split-media { min-height: 320px; }
  .split.reverse .split-media { order: 0; }
  .cta-band { grid-template-columns: 1fr; }
  .brand-tag { display: none; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .stats, .tiers, .grid-4, .footer-grid { grid-template-columns: 1fr; }
  .card { padding: 26px; }
  .btn { padding: 15px 22px; }
  .brand-word { height: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
  .reveal, .hero-fade { opacity: 1; transform: none; }
  .hero h1 .word { transform: none; }
}