/* ==========================================================================
   Contribio at Kingston: promotional site
   Palette and shapes follow Kingston University's public site: black and
   white with a single strong yellow, square corners, yellow CTA bars with
   north-east arrows, thick black rules over headings with a corner bracket,
   pale blue / green tints, white header and black footer, Inter type.
   ========================================================================== */

:root {
  --black: #000;
  --ink: #000;
  --text: #444;
  --muted: #5b5b5b;
  --line: #d7d7d7;
  --white: #fff;
  --yellow: #ffb500;        /* Kingston yellow: the CTA colour */
  --yellow-dark: #e6a300;
  --tint-blue: #c9e8ee;
  --tint-green: #eaf5de;
  --green: #76bd22;
  --teal: #77c5d5;
  --blue: #136aec;
  --orange: #e35205;
  --navy: #002b49;
  --grey: #f5f5f5;
  --brand-green: #17a35b;   /* Contribio dot */

  --shadow: 0 18px 40px -20px rgba(0, 0, 0, .45);
  --container: 1200px;
  --header-h: 84px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", 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: 17.5px; line-height: 1.6; font-weight: 400; color: var(--text); background: #fff; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: var(--ink); text-underline-offset: 3px; }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.15; margin: 0 0 .5em; color: var(--ink); letter-spacing: -.02em; }
h2 { font-size: clamp(30px, 3.6vw, 42px); }
h3 { font-size: 22px; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
strong { color: var(--ink); }
.container { width: min(var(--container), 100% - 48px); margin-inline: auto; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 200; background: var(--yellow); color: #000; padding: 10px 16px; font-weight: 700; }
.skip-link:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--blue); 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; font-variation-settings: "FILL" 1, "wght" 500; width: 1em; overflow: hidden; flex-shrink: 0; }

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

/* ---------- header (Contribio, Kingston-style white bar) ---------- */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 100; background: #fff; border-bottom: 1px solid transparent; transition: box-shadow .4s var(--ease), border-color .4s; }
.site-header.scrolled { border-color: var(--line); box-shadow: 0 10px 30px -18px rgba(0,0,0,.4); }
.header-inner { height: var(--header-h); display: flex; align-items: center; gap: 24px; transition: height .4s var(--ease); }
.site-header.scrolled .header-inner { height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: #000; flex-shrink: 0; }
.brand-icon { width: 46px; height: 46px; background: #fff; padding: 3px; 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: 13px; font-weight: 700; padding: 6px 10px; background: #000; color: #fff; line-height: 1.1; }
.main-nav { margin-left: auto; }
.main-nav ul { list-style: none; display: flex; gap: 2px; margin: 0; padding: 0; }
.main-nav a { position: relative; color: #000; text-decoration: none; font-weight: 500; padding: 10px 14px; transition: background .25s; }
.main-nav a::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 3px; background: var(--yellow); transform: scaleX(0); transform-origin: 0 50%; transition: transform .4s var(--ease); }
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after { transform: scaleX(1); }
.main-nav a[aria-current="page"] { font-weight: 700; }
.header-cta { flex-shrink: 0; }
.menu-toggle { display: none; margin-left: auto; background: none; border: 0; color: #000; width: 44px; height: 44px; cursor: pointer; position: relative; }
.menu-toggle span { position: absolute; left: 10px; right: 10px; height: 2px; background: #000; transition: transform .35s var(--ease), opacity .2s; }
.menu-toggle span:nth-child(1) { top: 14px; } .menu-toggle span:nth-child(2) { top: 21px; } .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: square yellow with a north-east arrow ---------- */
.btn { --bg: var(--yellow); --fg: #000; display: inline-flex; align-items: center; justify-content: space-between; gap: 18px; font: 600 16px/1.2 var(--font);
  color: var(--fg); background: var(--bg); padding: 16px 20px; border: 1px solid var(--bg); text-decoration: none; cursor: pointer;
  position: relative; overflow: hidden; isolation: isolate; transition: color .35s var(--ease), border-color .35s; }
.btn::before { content: ""; position: absolute; inset: 0; z-index: -1; background: #000; transform: translateY(101%); transition: transform .45s var(--ease); }
.btn:hover { color: var(--yellow); border-color: #000; }
.btn:hover::before { transform: none; }
.btn .ms { font-size: 22px; transition: transform .4s var(--ease); }
.btn:hover .ms { transform: translate(3px, -3px); }
.btn-dark { --bg: #000; --fg: #fff; }
.btn-dark::before { background: var(--yellow); }
.btn-dark:hover { color: #000; border-color: var(--yellow); }
.btn-ghost { --bg: transparent; --fg: #fff; border-color: #fff; }
.btn-ghost::before { background: #fff; }
.btn-ghost:hover { color: #000; border-color: #fff; }
.btn-sm { padding: 12px 16px; font-size: 15px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; 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; background: #000; }
.hero-media { position: absolute; inset: 0; z-index: 0; }
.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(90deg, rgba(0,0,0,.78) 0%, rgba(0,0,0,.45) 55%, rgba(0,0,0,.15) 100%), linear-gradient(180deg, rgba(0,0,0,.2), rgba(0,0,0,.55)); }
.hero > .container { position: relative; z-index: 2; }
@keyframes kenburns { to { transform: scale(1); } }
.hero-inner { max-width: 860px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 600; color: #000; background: var(--yellow); padding: 7px 12px; margin-bottom: 22px; }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: #000; animation: blink 1.6s infinite; }
@keyframes blink { 50% { opacity: .25; } }
.hero h1 { color: #fff; font-size: clamp(46px, 7.6vw, 96px); line-height: 1; letter-spacing: -.035em; margin-bottom: 22px; }
.hero h1 .line { display: block; overflow: hidden; padding-bottom: .06em; }
.hero h1 .word { display: inline-block; transform: translateY(105%); transition: transform 1s var(--ease); }
.hero.is-in h1 .word { transform: none; }
.hero h1 .gold { color: var(--yellow); }
.hero .lede { font-size: clamp(19px, 2vw, 22px); font-weight: 300; max-width: 620px; color: rgba(255,255,255,.95); 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; }

/* Kingston-style stacked yellow CTA bars, used as the audience switcher */
.pill-bars { display: grid; gap: 8px; margin-top: 40px; max-width: 560px; }
.pill-bar { display: flex; align-items: center; justify-content: space-between; color: #000; text-decoration: none; font-weight: 500; font-size: 16px;
  padding: 12px 16px; background: var(--yellow); position: relative; overflow: hidden; isolation: isolate; transition: color .35s var(--ease); }
.pill-bar::before { content: ""; position: absolute; inset: 0; z-index: -1; background: #fff; transform: scaleX(0); transform-origin: 0 50%; transition: transform .45s var(--ease); }
.pill-bar:hover::before { transform: scaleX(1); }
.pill-bar .ms { font-size: 22px; transition: transform .4s var(--ease); }
.pill-bar:hover .ms { transform: translate(3px, -3px); }
.pill-bar[aria-current="page"] { background: #000; color: var(--yellow); font-weight: 700; box-shadow: inset 0 0 0 1px var(--yellow); }
.pill-bar[aria-current="page"]::before { background: #111; }

.scroll-cue { position: absolute; left: 50%; bottom: 22px; translate: -50% 0; z-index: 2; color: #000; background: var(--yellow); width: 44px; height: 44px; display: grid; place-items: center; text-decoration: none; animation: bob 2.2s ease-in-out infinite; }
.scroll-cue::after { content: ""; position: absolute; left: 6px; bottom: -8px; border: 4px solid transparent; border-top-color: var(--yellow); border-left-color: var(--yellow); }
@keyframes bob { 50% { transform: translateY(8px); } }

/* ---------- sections + Kingston heading rule ---------- */
.section { padding: clamp(72px, 9vw, 112px) 0; position: relative; }
.section.grey { background: var(--grey); }
.section.tint-blue { background: var(--tint-blue); }
.section.tint-green { background: var(--tint-green); }
.section-head { position: relative; border-top: 10px solid #000; padding-top: 30px; margin-bottom: 52px; }
.section-head::after { content: ""; position: absolute; right: 0; bottom: -18px; width: 44px; height: 44px; border-right: 10px solid #000; border-bottom: 10px solid #000;
  transform: scale(0); transform-origin: 100% 100%; transition: transform .8s var(--ease) .35s; }
.section-head.is-in::after { transform: none; }
.section-head > * { max-width: 780px; }
.section-head.center { text-align: left; }
.kicker { display: inline-block; font-weight: 700; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; color: #000; background: var(--yellow); padding: 4px 10px; margin-bottom: 14px; }
.section-head p { font-size: 19px; color: var(--text); font-weight: 300; }

/* ---------- do this / do this / get that ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; position: relative; border: 1px solid #000; }
.steps-line { position: absolute; left: 0; right: 0; bottom: -1px; height: 6px; background: transparent; overflow: hidden; }
.steps-line i { position: absolute; inset: 0; transform-origin: 0 50%; transform: scaleX(0); transition: transform 1.6s var(--ease) .3s; background: var(--yellow); }
.steps.is-in .steps-line i { transform: scaleX(1); }
.step { position: relative; padding: 36px 32px 44px; background: #fff; transition: background .4s var(--ease); }
.step + .step { border-left: 1px solid #000; }
.step:hover { background: var(--grey); }
.step-badge { width: 72px; height: 72px; margin: 0 0 30px; display: grid; place-items: center; background: var(--yellow); color: #000; position: relative; transition: transform .5s var(--ease); }
.step-badge::after { content: ""; position: absolute; left: 10px; bottom: -14px; border: 7px solid transparent; border-top-color: var(--yellow); border-left-color: var(--yellow); }
.step:hover .step-badge { transform: translateY(-6px); }
.step-badge .ms { font-size: 36px; }
.step-badge b { position: absolute; top: -10px; right: -10px; width: 30px; height: 30px; background: #000; color: #fff; font-size: 14px; display: grid; place-items: center; }
.step.get { background: #000; color: rgba(255,255,255,.85); }
.step.get h3 { color: #fff; }
.step.get p { color: rgba(255,255,255,.8); }
.step.get .step-badge b { background: var(--brand-green); }
.step-label { display: block; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; font-size: 13px; color: #000; margin-bottom: 8px; }
.step.get .step-label { color: var(--yellow); }
.step h3 { font-size: 24px; margin-bottom: 8px; }
.step p { color: var(--text); margin: 0; }

/* ---------- cards ---------- */
.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-top: 6px solid #000; padding: 30px 28px 34px; position: relative; overflow: hidden; box-shadow: 0 0 0 1px var(--line) inset;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease); transform-style: preserve-3d; }
.card::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 6px; background: var(--yellow); transform: scaleX(0); transform-origin: 0 50%; transition: transform .6s var(--ease); }
.card:hover { box-shadow: 0 0 0 1px var(--line) inset, var(--shadow); }
.card:hover::after { transform: scaleX(1); }
.card .icon { width: 54px; height: 54px; display: grid; place-items: center; margin-bottom: 20px; color: #000; background: var(--c, var(--yellow)); }
.card .icon .ms { font-size: 30px; }
.card h3 { font-size: 21px; margin-bottom: 8px; }
.card p { color: var(--text); margin: 0; }
/* Kingston keeps colour minimal: icons alternate between yellow and the pale tints */
.c-violet { --c: var(--yellow); } .c-rasp { --c: var(--yellow); } .c-orange { --c: var(--yellow); }
.c-blue { --c: var(--tint-blue); } .c-green { --c: var(--tint-green); } .c-magenta { --c: var(--tint-blue); } .c-purple { --c: #000; }
.c-purple .ms { color: var(--yellow); }

/* ---------- stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid #000; border-bottom: 1px solid #000; }
.stat { padding: 34px 26px; text-align: left; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat-ring { font-size: clamp(44px, 5vw, 64px); font-weight: 800; color: #000; line-height: 1; letter-spacing: -.04em; margin-bottom: 14px; }
.stat-ring > span { display: inline-block; background: linear-gradient(transparent 62%, var(--yellow) 62%); padding: 0 4px; }
.stat-ring small { display: block; font-size: 15px; font-weight: 700; letter-spacing: 0; color: #000; margin-top: 12px; text-transform: uppercase; }
.stat p { color: var(--text); margin: 0; font-size: 15px; }

/* ---------- split panel ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; min-height: 560px; }
.split-media { position: relative; overflow: hidden; background: #000; }
.split-media img { position: absolute; inset: -8% 0; width: 100%; height: 116%; object-fit: cover; will-change: transform; }
.split-panel { background: #000; color: #fff; display: flex; flex-direction: column; justify-content: center; padding: clamp(40px, 7vw, 96px); position: relative; }
.split-panel::before { content: ""; position: absolute; left: clamp(40px, 7vw, 96px); top: clamp(30px, 5vw, 64px); width: 64px; height: 10px; background: var(--yellow); }
.split-panel h2, .split-panel strong { color: #fff; }
.split-panel p { color: rgba(255,255,255,.88); font-size: 18px; font-weight: 300; max-width: 520px; }
.split-panel ul { list-style: none; padding: 0; margin: 0 0 30px; 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(--tint-blue); color: #000; }
.split.purple .split-panel::before { background: #000; }
.split.purple .split-panel h2, .split.purple .split-panel strong { color: #000; }
.split.purple .split-panel p { color: var(--text); }
.split.purple .split-panel li .ms { color: #000; }

/* ---------- Future Skills band ---------- */
.fs-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.fs-steps li { background: #fff; padding: 24px; display: flex; flex-direction: column; gap: 14px; border-left: 6px solid #000; }
.fs-steps li .ms { font-size: 30px; color: #000; background: var(--yellow); width: 48px; height: 48px; display: grid; place-items: center; }
.fs-steps li:last-child { background: #000; color: rgba(255,255,255,.88); border-left-color: var(--yellow); }
.fs-steps li:last-child strong { color: var(--yellow); }

/* ---------- tiers ---------- */
.tiers { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.tier { 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; right: 0; bottom: 0; width: 40px; height: 40px; border-right: 8px solid rgba(255,255,255,.55); border-bottom: 8px solid rgba(255,255,255,.55); }
.tier h3 { color: #fff; font-size: 24px; margin-bottom: 2px; }
.tier .req { font-size: 14px; opacity: .9; display: block; margin-bottom: 14px; font-weight: 600; }
.tier p { margin: 0; font-size: 15px; }
.t-bronze { --t: #8a5a33; } .t-silver { --t: #5d6774; } .t-gold { --t: #b78400; } .t-plat { --t: #000; }
.t-plat h3 { color: var(--yellow); }

/* ---------- skills marquee ---------- */
.marquee { overflow: hidden; padding: 16px 0; background: var(--yellow); color: #000; }
.marquee-track { display: flex; gap: 12px; 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 18px; background: #000; color: #fff; font-weight: 600; white-space: nowrap; }
.chip .ms { color: var(--yellow); font-size: 20px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- photo cards ---------- */
.photo-card { overflow: hidden; position: relative; aspect-ratio: 4 / 3; background: #222; }
.photo-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease), filter .6s; }
.photo-card:hover img { transform: scale(1.06); }
.photo-card figcaption { position: absolute; left: 0; bottom: 0; z-index: 1; background: #fff; color: #000; font-weight: 700; font-size: 18px; padding: 12px 18px 12px 16px; border-top: 6px solid var(--yellow); max-width: calc(100% - 24px); }

/* ---------- FAQ ---------- */
.faq { max-width: 900px; display: grid; gap: 0; border-top: 1px solid #000; }
.faq details { border-bottom: 1px solid #000; background: #fff; overflow: hidden; }
.faq summary { list-style: none; cursor: pointer; padding: 22px 64px 22px 4px; font-weight: 700; font-size: 19px; color: #000; position: relative; transition: padding .35s var(--ease); }
.faq summary:hover { padding-left: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 50%; width: 36px; height: 36px; margin-top: -18px; background: var(--yellow);
  display: grid; place-items: center; font-size: 24px; font-weight: 500; transition: transform .4s var(--ease), background .3s, color .3s; }
.faq details[open] summary::after { transform: rotate(45deg); background: #000; color: var(--yellow); }
.faq .answer { padding: 0 4px; color: var(--text); overflow: hidden; max-width: 760px; }
.faq .answer p:last-child { margin: 0 0 24px; }

/* ---------- CTA band + contact ---------- */
.cta-band { background: var(--yellow); color: #000; padding: clamp(40px, 6vw, 72px); display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; position: relative; overflow: hidden; }
.cta-band::after { content: ""; position: absolute; right: 22px; bottom: 22px; width: 56px; height: 56px; border-right: 10px solid #000; border-bottom: 10px solid #000; }
.cta-band h2 { color: #000; }
.cta-band p { color: #111; font-size: 19px; }
.cta-band .kicker { background: #000; color: var(--yellow); }
.cta-band .btn { --bg: #000; --fg: #fff; }
.cta-band .btn::before { background: #fff; }
.cta-band .btn:hover { color: #000; border-color: #000; }
.cta-band .btn-ghost { --bg: transparent; --fg: #000; border-color: #000; }
.cta-band .btn-ghost::before { background: #000; }
.cta-band .btn-ghost:hover { color: var(--yellow); }
.contact-list { display: grid; gap: 12px; position: relative; z-index: 1; }
.contact-item { display: flex; align-items: center; gap: 14px; background: #fff; padding: 16px 18px; color: #000; text-decoration: none; transition: transform .4s var(--ease), box-shadow .4s; }
.contact-item:hover { transform: translateX(6px); box-shadow: -6px 0 0 #000; }
.contact-item .ms { width: 44px; height: 44px; background: #000; color: var(--yellow); display: grid; place-items: center; font-size: 24px; flex-shrink: 0; }
.contact-item small { display: block; color: var(--muted); 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: #000; display: inline-flex; align-items: center; gap: 4px; margin-top: 12px; text-decoration: underline; text-decoration-color: var(--yellow); text-decoration-thickness: 3px; }

/* ---------- footer (Contribio, black) ---------- */
.site-footer { background: #000; color: rgba(255,255,255,.85); padding: 72px 0 28px; font-weight: 300; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.site-footer h4 { color: #fff; font-size: 16px; margin-bottom: 16px; letter-spacing: 0; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer a { color: #fff; text-decoration: underline; text-decoration-color: rgba(255,255,255,.3); transition: text-decoration-color .2s, color .2s; }
.site-footer a:hover { color: var(--yellow); text-decoration-color: var(--yellow); }
.footer-brand .brand { margin-bottom: 18px; text-decoration: none; }
.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,.25); display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; font-size: 13px; color: rgba(255,255,255,.65); }
.credit { font-size: 12px; color: rgba(255,255,255,.5); }

/* ---------- reveal animations ---------- */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: var(--d, 0s); }
.reveal.zoom { transform: scale(.94); }
.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; }
.no-js .section-head::after { 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: #fff; padding: 24px; animation: drop .45s var(--ease); overflow-y: auto; border-top: 10px solid #000; }
  .nav-open .main-nav ul { flex-direction: column; gap: 0; }
  .nav-open .main-nav a { display: block; font-size: 22px; padding: 16px 4px; border-bottom: 1px solid var(--line); }
  .nav-open .main-nav a::after { display: none; }
  .nav-open .main-nav .mobile-only { display: block; margin-top: 20px; }
  .nav-open .main-nav .mobile-only a.btn { display: flex; border-bottom: 0; font-size: 18px; padding: 16px 20px; }
  .grid-4, .stats, .tiers, .fs-steps { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .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; }
  .step + .step { border-left: 0; border-top: 1px solid #000; }
  .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) {
  :root { --header-h: 72px; }
  body { font-size: 16px; }
  .stats, .tiers, .grid-4, .footer-grid, .fs-steps { grid-template-columns: 1fr; }
  .stat + .stat { border-left: 0; border-top: 1px solid var(--line); }
  .card { padding: 26px 22px 30px; }
  .brand-word { height: 22px; }
  .section-head::after { width: 32px; height: 32px; border-width: 8px; }
}
@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; }
  .section-head::after { transform: none; }
}