/* Indus Tech Summit: white and near-black, electric blue and acid lime. Sora for headings, JetBrains Mono for labels,
   times and codes. Hard edges everywhere, a blueprint grid, and ticket-stub notches.
   Change the colours and fonts here; base.css reads these variables. */
:root {
  --bg: #FFFFFF;
  --surface: #FFFFFF;
  --soft: #EEF1FB;
  --ink: #0A0C14;
  --muted: #4A5068;
  --line: #D5DAEA;
  --line-strong: #0A0C14;
  --brand: #1F3BFF;
  --brand-hover: #1529D6;
  --brand-ink: #FFFFFF;
  --brand-text: #1F3BFF;
  --lime: #C8FF2E;
  --lime-soft: #F2FFD0;
  --pink: #E8336E;
  --eyebrow: #1F3BFF;
  --head: "Sora", system-ui, sans-serif;
  --body: "Sora", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius: 0px;
  --radius-lg: 0px;
  --btn-radius: 0px;
  --wrap: 1240px;
  --out-bg: #0A0C14;
  --out-ink: #FFFFFF;
  --out-accent: #C8FF2E;
  --out-btn: #C8FF2E;
  --out-btn-ink: #0A0C14;
  --out-warn: #FFB3CB;
  --ok-on-dark: #C8FF2E;
  --focus: #1F3BFF;
  --announce-bg: #0A0C14;
  --announce-ink: #C8FF2E;
  --grid-line: rgba(255, 255, 255, .14);
  --shadow: 6px 6px 0 #0A0C14;
}
body { font-size: .98rem; }
h1, h2, h3 { font-weight: 800; letter-spacing: -.03em; }
.mono, code { font-family: var(--mono); letter-spacing: 0; }
.eyebrow { font-family: var(--mono); font-weight: 700; letter-spacing: .06em; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.btn { font-weight: 700; border-width: 2px; }
.btn-primary { box-shadow: 4px 4px 0 var(--ink); }
.btn-primary:hover { transform: translate(-1px, -1px); box-shadow: 5px 5px 0 var(--ink); }
.btn-ghost { border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.announce { font-family: var(--mono); font-weight: 500; letter-spacing: .02em; }
.text-link { font-family: var(--mono); font-size: .92rem; }
.blueprint { background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px); background-size: 32px 32px; }

/* header */
.header { background: #fff; border-bottom: 2px solid var(--ink); }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; min-height: 44px; }
.logo-mark { width: 42px; height: 42px; flex: none; }
.logo span { display: grid; line-height: 1; }
.logo b { font: 800 1.35rem var(--head); letter-spacing: .02em; }
.logo small { font: 500 .72rem var(--mono); text-transform: uppercase; color: var(--muted); margin-top: 4px; }
.nav a { font-weight: 600; font-size: .95rem; color: var(--ink); border-radius: 0; }
.nav a:hover { background: var(--soft); }
.nav a[aria-current="page"] { background: var(--lime); }
.header-cta .btn { min-height: 44px; padding: 8px 18px; box-shadow: 3px 3px 0 var(--ink); }
.nav-toggle { border: 2px solid var(--ink); border-radius: 0; }
@media (max-width: 1100px) and (min-width: 961px) { .nav a { padding: 8px; font-size: .9rem; } }
@media (max-width: 440px) { .logo small { display: none; } .header .wrap { gap: 12px; } }

/* hero */
.hero { --grid-line: rgba(255, 255, 255, .13); position: relative; background-color: var(--brand); color: #fff; padding-block: clamp(36px, 6vw, 80px); background-image: linear-gradient(rgba(255,255,255,.22) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.22) 1px, transparent 1px), linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px); background-size: 160px 160px, 160px 160px, 32px 32px, 32px 32px; border-bottom: 2px solid var(--ink); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
@media (max-width: 960px) { .hero-grid { grid-template-columns: minmax(0, 1fr); } }
.hero-tag { display: inline-block; padding: 6px 10px; background: var(--ink); color: var(--lime); font-size: .8rem; }
.hero h1 { display: grid; margin: 18px 0 18px; line-height: .9; }
.h-date { font-size: clamp(3rem, 8.6vw, 7rem); letter-spacing: -.05em; }
.h-date em { font-style: normal; color: var(--lime); }
.h-city { font-size: clamp(2.4rem, 7.4vw, 6rem); text-transform: uppercase; color: transparent; -webkit-text-stroke: 2px #fff; letter-spacing: -.02em; margin-top: 6px; }
.hero .lede { color: #E1E6FF; }
.hero-count { margin-top: 24px; display: grid; gap: 8px; }
.hero-count > p.mono { font-size: .78rem; text-transform: uppercase; color: var(--lime); }
.hero .countdown { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); max-width: 380px; gap: 8px; }
.hero .countdown div { background: var(--ink); border: 0; min-width: 0; }
.hero .countdown b { font-family: var(--mono); color: var(--lime); }
.hero .countdown span { color: #B9C0DE; font-family: var(--mono); letter-spacing: .04em; }
.cd-done a { color: var(--lime); }
.hero-tracks { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.hero-tracks a { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 6px 12px; background: #fff; color: var(--ink); text-decoration: none; font-weight: 600; font-size: .88rem; }
.hero-tracks a::before { content: ""; width: 12px; height: 12px; background: var(--tc); flex: none; }
.hero-tracks a:hover { background: var(--lime); }
.hero-tracks .mono { font-size: .76rem; color: var(--muted); }
.hero .hero-actions { margin-top: 26px; }
.hero .btn-primary { background: var(--lime); color: var(--ink); }
.hero .btn-ghost { border-color: #fff; color: #fff; }
.hero .btn-ghost:hover { background: #fff; color: var(--ink); }
.hero :focus-visible, .page-head :focus-visible, .footer :focus-visible, .tool-out :focus-visible, .tiers-band :focus-visible { outline-color: var(--lime); }
.hero-stage { margin: 0; background: var(--ink); border: 3px solid var(--ink); box-shadow: 12px 12px 0 var(--lime); }
.hero-stage svg { width: 100%; height: auto; }
.hero-stage figcaption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 12px; padding: 10px 14px; font-size: .74rem; color: var(--lime); border-top: 2px solid #232842; }
@media (max-width: 960px) { .hero-stage { max-width: 560px; box-shadow: 8px 8px 0 var(--lime); } }

/* numbers ticker */
.ticker { background: var(--ink); color: #fff; border-bottom: 2px solid var(--ink); }
.ticker ul { list-style: none; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 28px; padding-block: 18px; font-family: var(--mono); font-size: .9rem; text-transform: uppercase; }
.ticker b { color: var(--lime); font-size: 1.3rem; margin-right: 6px; }

/* tracks */
.tracks { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); gap: 0; border: 2px solid var(--ink); }
.tracks li { display: grid; gap: 12px; align-content: start; padding: 26px 22px; background: var(--tc); color: var(--ti); border: 1px solid var(--ink); min-height: 270px; }
.tracks .mono { font-size: .8rem; }
.tracks h3 { font-size: clamp(1.4rem, 2.4vw, 1.8rem); }
.tracks a { margin-top: auto; color: inherit; font-weight: 700; text-underline-offset: 5px; min-height: 40px; display: inline-flex; align-items: center; }
.tracks :focus-visible { outline-color: var(--ink); }

/* track chip */
.trk { display: inline-flex; align-items: center; gap: 6px; font: 700 .72rem var(--mono); text-transform: uppercase; letter-spacing: .03em; color: var(--ink); }
.trk::before { content: ""; width: 12px; height: 12px; background: var(--tc); flex: none; }

/* at a glance */
.glance { background-color: var(--soft); --grid-line: rgba(31, 59, 255, .07); background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px); background-size: 32px 32px; border-block: 2px solid var(--ink); }
.glance-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); gap: 22px; }
.glance-day { background: #fff; border: 2px solid var(--ink); box-shadow: var(--shadow); }
.glance-day h3 { display: flex; gap: 12px; align-items: baseline; padding: 16px 20px; background: var(--ink); color: #fff; font-size: 1.2rem; }
.glance-day h3 .mono { color: var(--lime); font-size: .85rem; }
.glance-day ol { list-style: none; }
.glance-day li { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 2px 12px; padding: 14px 20px; border-top: 1px solid var(--line); }
.glance-day li .mono { grid-row: span 2; color: var(--brand); font-weight: 700; }
.glance-day li small { color: var(--muted); }

/* speakers */
.spk-grid { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 270px), 1fr)); gap: 22px; }
.spk-grid > li { display: flex; flex-direction: column; border: 2px solid var(--ink); background: #fff; scroll-margin-top: 110px; }
.spk-grid > li:target { box-shadow: 0 0 0 4px var(--lime), 8px 8px 0 4px var(--ink); }
.spk-art { aspect-ratio: 5 / 6; overflow: hidden; border-bottom: 2px solid var(--ink); }
.spk-art svg { width: 100%; height: 100%; object-fit: cover; }
.spk-body { display: grid; gap: 6px; align-content: start; padding: 16px 18px 20px; flex: 1; }
.spk-body h3 { font-size: 1.2rem; }
.spk-role { font: 500 .82rem var(--mono); color: var(--muted); }
.spk-bio { color: var(--muted); font-size: .92rem; }
.spk-talks { list-style: none; display: grid; gap: 8px; margin-top: 8px; }
.spk-talks a { display: grid; gap: 2px; padding: 10px 12px; background: var(--soft); text-decoration: none; font-weight: 600; font-size: .92rem; border-left: 4px solid var(--brand); }
.spk-talks a:hover { background: var(--lime-soft); }
.spk-talks .mono { font-size: .72rem; color: var(--muted); font-weight: 500; }
.spk-legend { margin-bottom: 22px; }
.spk-legend li { background: #fff; border: 2px solid var(--ink); border-radius: 0; }
.cfp { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 20px; }

/* ticket stubs */
.tiers-band { background: var(--ink); color: #fff; --grid-line: rgba(255,255,255,.06); background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px); background-size: 32px 32px; }
.tiers-band .eyebrow { color: var(--lime); }
.tiers-band .lede { color: #C9CFE6; }
.tiers-band .text-link { color: var(--lime); }
.stubs { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 18px; }
.stub { --py: calc(100% - 62px); position: relative; display: grid; gap: 8px; align-content: start; padding: 22px 22px 80px; color: var(--ink); background: var(--soft);
  -webkit-mask: radial-gradient(circle 13px at 0 var(--py), #0000 98%, #000) left / 51% 100% no-repeat, radial-gradient(circle 13px at 100% var(--py), #0000 98%, #000) right / 51% 100% no-repeat;
  mask: radial-gradient(circle 13px at 0 var(--py), #0000 98%, #000) left / 51% 100% no-repeat, radial-gradient(circle 13px at 100% var(--py), #0000 98%, #000) right / 51% 100% no-repeat; }
.stub::after { content: ""; position: absolute; left: 20px; right: 20px; top: var(--py); border-top: 2px dashed currentColor; opacity: .35; }
.stub .mono { font-size: .76rem; }
.stub h3 { font-size: 1.35rem; }
.stub-price b { font-size: 1.7rem; letter-spacing: -.03em; }
.stub-price s { font-family: var(--mono); font-size: .86rem; opacity: .7; }
.stub-perk { font-size: .9rem; opacity: .85; }
.stub a { position: absolute; left: 22px; right: 22px; bottom: 10px; min-height: 40px; display: flex; align-items: center; color: inherit; font-weight: 700; text-underline-offset: 4px; }
.stub.is-standard { background: var(--brand); color: #fff; }
.stub.is-pro { background: var(--lime); }
.stub.is-vip { background: #fff; }
.stub.is-standard a:focus-visible { outline-color: var(--lime); }

/* workshops and expo */
.expo-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(24px, 5vw, 64px); align-items: center; }
@media (max-width: 860px) { .expo-grid { grid-template-columns: minmax(0, 1fr); } }
.expo-grid .hero-actions { margin-top: 24px; }
.facts-list { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border: 2px solid var(--ink); }
.facts-list li { display: grid; gap: 6px; padding: 22px; border: 1px solid var(--ink); }
.facts-list .mono { font-size: clamp(2.2rem, 5vw, 3.2rem); font-weight: 700; color: var(--brand); line-height: 1; }
.facts-list li:last-child { background: var(--lime); }
.facts-list li:last-child .mono { color: var(--ink); }
.facts-list p { color: var(--muted); font-size: .92rem; }
.facts-list li:last-child p { color: var(--ink); }

/* quotes */
.quotes-band { background: var(--soft); border-block: 2px solid var(--ink); }
.quotes li { border: 2px solid var(--ink); box-shadow: var(--shadow); }
.quotes blockquote p::before { content: "> "; font-family: var(--mono); font-weight: 700; color: var(--brand); }
.q-by { font-family: var(--mono); font-weight: 500; font-size: .8rem; }

/* inner pages */
.page-head { background-color: var(--ink); color: #fff; --grid-line: rgba(31, 59, 255, .45); background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px); background-size: 32px 32px; margin-bottom: clamp(28px, 4vw, 48px); border-bottom: 8px solid var(--lime); }
.page-head .eyebrow { color: var(--lime); }
.page-head h1 { font-size: clamp(2.2rem, 6vw, 4.4rem); letter-spacing: -.04em; max-width: 18ch; }
.page-head .lede { color: #C9CFE6; }
.card, .tool-step, .done, .values li, .steps li { border: 2px solid var(--ink); }
.card h2 { font-size: 1.15rem; }
.input { border: 2px solid var(--ink); border-radius: 0; }
.input:focus { box-shadow: 4px 4px 0 var(--brand); border-color: var(--ink); }
.map { border: 2px solid var(--ink); }
.contact-list span { font-family: var(--mono); letter-spacing: .02em; }
.data-table { border: 2px solid var(--ink); background: #fff; }
.data-table thead th { background: var(--ink); color: #fff; font-family: var(--mono); letter-spacing: .02em; }
.data-table th[scope="row"] { font-weight: 600; }
.data-table code { background: var(--lime); padding: 2px 6px; font-size: .86rem; }
.faq-index a { font-family: var(--mono); font-size: .88rem; border-left: 3px solid transparent; }
.faq-index a:hover { border-left-color: var(--brand); }
details summary::after { font-family: var(--mono); color: var(--brand); }
.empty h1 { font-family: var(--mono); letter-spacing: -.02em; }
.plain-list a { font-weight: 600; }

/* agenda */
.ag { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: clamp(20px, 3vw, 36px); align-items: start; }
@media (max-width: 1000px) { .ag { grid-template-columns: minmax(0, 1fr); } }
.ag-main { display: grid; gap: 18px; min-width: 0; }
.ag-bar { display: grid; gap: 14px; }
.ag-tabs { display: grid; grid-template-columns: 1fr 1fr; border: 2px solid var(--ink); }
.ag-tabs button { display: grid; gap: 2px; justify-items: start; min-height: 64px; padding: 12px 18px; border: 0; background: #fff; color: var(--ink); cursor: pointer; text-align: left; }
.ag-tabs button + button { border-left: 2px solid var(--ink); }
.ag-tabs button .mono { font-size: .76rem; color: var(--brand); font-weight: 700; }
.ag-tabs button b { font-size: clamp(1rem, 2.4vw, 1.25rem); }
.ag-tabs button[aria-selected="true"] { background: var(--ink); color: #fff; }
.ag-tabs button[aria-selected="true"] .mono { color: var(--lime); }
.ag-tabs button:focus-visible { outline: 3px solid var(--brand); outline-offset: -6px; }
.ag-tabs button[aria-selected="true"]:focus-visible { outline-color: var(--lime); }
.ag-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.ag-filters button { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 6px 14px; border: 2px solid var(--ink); background: #fff; color: var(--ink); font-weight: 600; font-size: .9rem; cursor: pointer; }
.ag-filters button i { width: 12px; height: 12px; background: var(--tc); }
.ag-filters button[aria-pressed="true"] { background: var(--lime); box-shadow: 3px 3px 0 var(--ink); }
.ag-count { font-size: .8rem; color: var(--muted); }
.ag-panel:focus-visible { outline-offset: 4px; }
.ag-empty { padding: 18px; border: 2px dashed var(--ink); color: var(--muted); }
.sessions { list-style: none; display: grid; gap: 12px; }
.ss { display: grid; grid-template-columns: 82px minmax(0, 1fr) auto; gap: 12px 18px; align-items: start; padding: 16px 18px; background: #fff; border: 2px solid var(--ink); border-left: 10px solid var(--tc); scroll-margin-top: 110px; }
.ss[hidden] { display: none; }
.ss.is-picked { background: var(--lime-soft); }
.ss.is-clash { box-shadow: inset 0 0 0 2px var(--pink); }
.ss.is-target { box-shadow: 0 0 0 4px var(--brand); }
.ss-time { display: grid; gap: 2px; }
.ss-time b { font-size: 1.15rem; }
.ss-time span { color: var(--muted); font-size: .85rem; }
.ss-time span::before { content: "to "; }
.ss.is-clash .ss-time::after { content: "CLASH"; justify-self: start; margin-top: 6px; padding: 2px 6px; background: var(--pink); color: #fff; font-size: .7rem; font-weight: 700; }
.ss-body { display: grid; gap: 6px; min-width: 0; }
.ss-meta { display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: center; }
.ss-meta .mono { font-size: .76rem; color: var(--muted); text-transform: uppercase; }
.ss h3 { font-size: 1.12rem; letter-spacing: -.02em; }
.ss-who { font-size: .9rem; color: var(--muted); }
.ss-who a { color: var(--ink); font-weight: 600; text-underline-offset: 3px; }
.ss-note { font: 500 .78rem var(--mono); color: var(--brand); }
.ss-add { min-height: 44px; padding: 8px 14px; border: 2px solid var(--ink); background: #fff; color: var(--ink); font: 700 .8rem var(--mono); cursor: pointer; white-space: nowrap; }
.ss-add::before { content: "+ "; }
.ss-add:hover { background: var(--soft); }
.ss-add[aria-pressed="true"] { background: var(--ink); color: var(--lime); }
.ss-add[aria-pressed="true"]::before { content: "✓ "; }
@media (max-width: 640px) {
  .ss { grid-template-columns: minmax(0, 1fr); gap: 10px; padding: 14px; }
  .ss-time { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px; }
  .ss.is-clash .ss-time::after { margin: 0 0 0 6px; }
  .ss-add { justify-self: start; }
}
.my-ag { top: 92px; }
.my-title { font-size: 1.25rem; letter-spacing: -.02em; }
.my-list { list-style: none; display: grid; gap: 8px; max-height: 52vh; overflow-y: auto; }
@media (max-width: 1000px) { .my-list { max-height: none; } }
.my-day { margin-top: 6px; font-size: .76rem; color: var(--lime); text-transform: uppercase; }
.my-item { display: grid; gap: 2px; padding: 10px 12px; background: #161A2A; border-left: 6px solid var(--tc); }
.my-item.is-clash { box-shadow: inset 0 0 0 2px #FF5C8A; }
.my-item .mono { font-size: .76rem; color: #B9C0DE; }
.my-item small { color: #B9C0DE; }
.my-remove { justify-self: start; min-height: 40px; padding: 0; border: 0; background: none; color: #fff; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; font-size: .85rem; }
.my-empty { color: #B9C0DE; font-size: .92rem; }
.my-clash { display: grid; gap: 8px; }
.my-clash:empty { display: none; }
.my-clash p { padding: 10px 12px; background: #3A1020; border-left: 4px solid #FF5C8A; color: #FFD6E2; font-size: .88rem; }
.tool-out .btn-primary { box-shadow: none; }
.tool-out .btn-ghost { border-color: #fff; color: #fff; }
.tool-out .btn-ghost:hover { background: #fff; color: var(--ink); }
.tool-out .btn[hidden] { display: none; }

/* tickets */
.tool-out { border: 2px solid var(--ink); }
.eb-banner { padding: 12px 16px; background: var(--lime); border: 2px solid var(--ink); font-weight: 700; font-size: .88rem; }
.eb-banner.is-over { background: var(--soft); }
.tk-step { gap: 16px; }
.tk-list { list-style: none; display: grid; gap: 14px; }
.tk { --px: calc(100% - 250px); position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 250px; background: var(--soft);
  -webkit-mask: radial-gradient(circle 12px at var(--px) 0, #0000 98%, #000) top / 100% 51% no-repeat, radial-gradient(circle 12px at var(--px) 100%, #0000 98%, #000) bottom / 100% 51% no-repeat;
  mask: radial-gradient(circle 12px at var(--px) 0, #0000 98%, #000) top / 100% 51% no-repeat, radial-gradient(circle 12px at var(--px) 100%, #0000 98%, #000) bottom / 100% 51% no-repeat; }
.tk.is-on { background: var(--lime-soft); }
.tk.is-vip { background: var(--ink); color: #fff; }
.tk.is-vip.is-on { background: #1B2033; }
.tk-info { display: grid; gap: 6px; align-content: start; padding: 18px 20px; }
.tk-info .mono { font-size: .74rem; color: var(--brand); font-weight: 700; }
.tk.is-vip .tk-info .mono { color: var(--lime); }
.tk-info h3 { font-size: 1.25rem; }
.tk-info ul { display: grid; gap: 4px; padding-left: 1.1em; font-size: .88rem; color: var(--muted); }
.tk.is-vip .tk-info ul { color: #C9CFE6; }
.tk-buy { display: grid; gap: 6px; align-content: start; padding: 18px 20px; border-left: 2px dashed color-mix(in srgb, currentColor 35%, transparent); }
.tk-price b { font-size: 1.6rem; letter-spacing: -.03em; }
.tk-price s { font: 500 .85rem var(--mono); opacity: .65; }
.tk-unit { font-size: .74rem; opacity: .75; }
.tk .stepper-row { display: grid; gap: 6px; }
.tk .stepper-row > label { font-size: .82rem; font-weight: 600; }
.stepper button { border-radius: 0; border: 2px solid var(--ink); background: #fff; color: var(--ink); }
.stepper button:hover { background: var(--lime); border-color: var(--ink); }
.tk.is-vip .stepper button, .tk.is-vip .stepper .input { border-color: #fff; }
.tk.is-vip .stepper .input { background: var(--ink); color: #fff; }
.tk.is-vip :focus-visible { outline-color: var(--lime); }
@media (max-width: 640px) {
  .tk { grid-template-columns: minmax(0, 1fr); -webkit-mask: none; mask: none; }
  .tk-buy { border-left: 0; border-top: 2px dashed color-mix(in srgb, currentColor 35%, transparent); }
}
[data-group-hint] { font-weight: 600; color: var(--muted); }
[data-group-hint].is-ok { color: #2D6A00; }
[data-college-field][hidden] { display: none; }

/* sponsors */
.sp-tiers { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); gap: 18px; }
.sp-tier { display: flex; flex-direction: column; gap: 10px; padding: 24px 22px; background: #fff; border: 2px solid var(--ink); }
.sp-tier .mono { font-size: .76rem; color: var(--brand); font-weight: 700; }
.sp-tier h3 { font-size: 1.4rem; }
.sp-price { font-size: 1.6rem; font-weight: 800; letter-spacing: -.03em; }
.sp-price span { font: 500 .8rem var(--mono); color: var(--muted); }
.sp-tier ul { list-style: none; display: grid; gap: 8px; margin-bottom: 10px; font-size: .92rem; }
.sp-tier li { display: flex; gap: 8px; align-items: flex-start; }
.sp-tier li .ic { width: 18px; height: 18px; color: var(--brand); margin-top: 3px; }
.sp-tier .btn { margin-top: auto; }
.sp-tier.is-hot { background: var(--brand); color: #fff; box-shadow: 8px 8px 0 var(--lime); }
.sp-tier.is-hot .mono, .sp-tier.is-hot li .ic { color: var(--lime); }
.sp-tier.is-hot .sp-price span { color: #DCE2FF; }
.sp-tier.is-hot .btn-primary { background: var(--lime); color: var(--ink); }
.sp-tier.is-hot :focus-visible { outline-color: var(--lime); }
.wall-band { background: var(--soft); border-block: 2px solid var(--ink); }
.logo-wall { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 200px), 1fr)); gap: 12px; }
.logo-wall li { display: grid; gap: 6px; padding: 18px; background: #fff; border: 2px solid var(--ink); min-height: 96px; align-content: center; }
.logo-wall .mono { font-size: .7rem; color: var(--muted); }
.logo-wall b { font-size: 1.05rem; letter-spacing: -.02em; }
.logo-wall li:first-child { background: var(--ink); color: #fff; grid-column: span 2; }
.logo-wall li:first-child .mono { color: var(--lime); }
@media (max-width: 480px) { .logo-wall li:first-child { grid-column: auto; } }
.sp-card { background: var(--lime); }
.sp-card p { margin-bottom: 10px; }

/* venue */
.venue-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 22px; align-items: start; }
@media (max-width: 860px) { .venue-grid { grid-template-columns: minmax(0, 1fr); } }
.plan { margin: 0; border: 2px solid var(--ink); background: #fff; }
.plan svg { width: 100%; height: auto; }
.plan figcaption { padding: 8px 12px; font-size: .74rem; border-top: 2px solid var(--ink); }
.how-grid { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: 18px; }
.how-grid li { display: grid; gap: 8px; align-content: start; padding: 22px; background: #fff; border: 2px solid var(--ink); }
.how-grid .ic { width: 30px; height: 30px; color: var(--brand); }
.how-grid h3 { font-size: 1.15rem; }
.how-grid p { color: var(--muted); font-size: .94rem; }
.access-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: clamp(24px, 5vw, 64px); align-items: start; }
@media (max-width: 860px) { .access-grid { grid-template-columns: minmax(0, 1fr); } }
.access-grid .hero-actions { margin-top: 22px; }
.access-list { list-style: none; display: grid; gap: 10px; }
.access-list li { padding: 14px 16px; background: #fff; border: 2px solid var(--ink); border-left: 8px solid var(--brand); color: var(--muted); }
.access-list b { display: block; color: var(--ink); }

/* CTA + footer */
.cta-band { padding-block: clamp(44px, 6vw, 80px); background-color: var(--brand); --grid-line: rgba(255,255,255,.14); background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px); background-size: 32px 32px; border-top: 2px solid var(--ink); }
.cta-stub { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 22px; padding: clamp(26px, 4vw, 44px) clamp(26px, 5vw, 56px); background: var(--lime); color: var(--ink);
  -webkit-mask: radial-gradient(circle 18px at 0 50%, #0000 98%, #000) left / 51% 100% no-repeat, radial-gradient(circle 18px at 100% 50%, #0000 98%, #000) right / 51% 100% no-repeat;
  mask: radial-gradient(circle 18px at 0 50%, #0000 98%, #000) left / 51% 100% no-repeat, radial-gradient(circle 18px at 100% 50%, #0000 98%, #000) right / 51% 100% no-repeat; }
.cta-stub .mono { font-size: .76rem; font-weight: 700; }
.cta-stub h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); margin-top: 8px; }
.cta-stub p:last-child { margin-top: 6px; max-width: 56ch; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.cta-band .btn-primary { background: var(--ink); color: #fff; box-shadow: 4px 4px 0 var(--brand); }
.cta-band .btn-ghost { border-color: var(--ink); color: var(--ink); }
.cta-band .btn-ghost:hover { background: var(--ink); color: #fff; }
.footer { background: var(--ink); color: #C9CFE6; --footer-line: rgba(255,255,255,.14); }
.f-big { font: 700 clamp(2rem, 9.4vw, 7.4rem)/1 var(--mono); letter-spacing: -.04em; color: transparent; -webkit-text-stroke: 1.5px var(--lime); margin-bottom: 40px; overflow-wrap: anywhere; }
.f-big span { color: var(--lime); -webkit-text-stroke: 0; }
.footer .logo b { color: #fff; }
.footer .logo small { color: #B9C0DE; }
.footer h2 { color: var(--lime); font-family: var(--mono); opacity: 1; }
.f-about { margin-top: 14px; max-width: 38ch; font-size: .9rem; }
.footer a:hover { color: var(--lime); }
.footer .credit a { color: #fff; }
.wa-float { border-radius: 0; box-shadow: 4px 4px 0 var(--ink); }
@media (prefers-reduced-motion: reduce) { .btn-primary:hover { transform: none; } }