:root {
  --cobalt: #1a2fd6;
  --cobalt-deep: #1425ad;
  --ink: #0d1330;
  --paper: #f5f3ec;
  --card: #fffdf7;
  --signal: #ff5a1f;
  --muted: #565b73;
  --rule: #d9d6ca;
  --sans: "Schibsted Grotesk", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.55 var(--sans); -webkit-font-smoothing: antialiased; }
h1, h2, h3, p, dl, dd, ol { margin: 0; padding: 0; }
ol { list-style: none; }
.wrap { width: min(1160px, 100% - 48px); margin-inline: auto; }

/* Hero: a sheet of blueprint paper */
.hero {
  color: #fff;
  background-color: var(--cobalt);
  background-image:
    linear-gradient(rgba(255,255,255,.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.14) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  padding: 40px 0 44px;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 372px; gap: 56px; align-items: start; }

.org { font: 500 13px/1.4 var(--mono); letter-spacing: .01em; display: flex; flex-wrap: wrap; gap: 4px 8px; align-items: center; }
.org .dot { width: 10px; height: 10px; background: var(--signal); display: inline-block; }
.org .slash { opacity: .55; }

h1 { font-weight: 900; font-size: clamp(44px, 6.5vw, 84px); line-height: .98; letter-spacing: -.035em; margin: 28px 0 22px; text-wrap: balance; }
.lede { font-size: clamp(18px, 1.7vw, 21px); line-height: 1.42; max-width: 36em; }

.facts { display: grid; grid-template-columns: 1.5fr 1.1fr .7fr .6fr; margin-top: 30px; border: 1.5px solid #fff; background: var(--cobalt); }
.facts > div { padding: 12px 14px; border-left: 1.5px solid #fff; min-width: 0; }
.facts > div:first-child { border-left: 0; }
.facts dt { font: 500 11px/1.3 var(--mono); text-transform: uppercase; letter-spacing: .08em; opacity: .75; margin-bottom: 4px; }
.facts dd { font-weight: 600; font-size: 16px; line-height: 1.25; }
.local { font: 400 13px/1.4 var(--mono); margin-top: 12px; }

/* The ticket */
.ticket { background: var(--card); color: var(--ink); position: relative; box-shadow: 10px 10px 0 var(--ink); scroll-margin-top: 20px; }
.ticket-head { position: relative; padding: 20px 22px 18px; border-bottom: 2px dashed var(--rule); }
.ticket-head::before, .ticket-head::after { content: ""; position: absolute; bottom: -11px; width: 20px; height: 20px; border-radius: 50%; background: var(--cobalt); }
.ticket-head::before { left: -10px; }
.ticket-head::after { right: -10px; }
.ticket-kicker { font: 500 12px/1.3 var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.ticket-title { font-weight: 900; font-size: 30px; line-height: 1.05; letter-spacing: -.025em; margin-top: 6px; }
.stamp { position: absolute; top: 16px; right: 18px; font: 700 15px/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--signal); border: 2.5px solid var(--signal); padding: 6px 8px; transform: rotate(7deg); }

.ticket-body { padding: 18px 22px 20px; display: flex; flex-direction: column; }
.ticket-body:focus { outline: none; }
.ticket-body[hidden] { display: none; }
label { font: 500 12px/1.3 var(--mono); letter-spacing: .02em; margin: 10px 0 5px; }
label:first-child { margin-top: 0; }
input { font: 400 16px/1.3 var(--sans); padding: 11px 12px; width: 100%; color: var(--ink); background: #fff; border: 1.5px solid var(--ink); border-radius: 0; -webkit-appearance: none; appearance: none; }
input::placeholder { color: #8f92a3; }
input:focus-visible { outline: 3px solid var(--signal); outline-offset: 1px; }
input.invalid { border-color: #c4260a; }

button { font: 800 17px/1.2 var(--sans); cursor: pointer; margin-top: 16px; padding: 14px 16px; color: #fff; background: var(--ink); border: 0; border-radius: 0; transition: background .12s; }
button:hover { background: var(--signal); }
button:focus-visible { outline: 3px solid var(--signal); outline-offset: 2px; }
button:disabled { opacity: .6; cursor: progress; }

.form-error { margin-top: 12px; padding: 9px 11px; font-size: 14px; line-height: 1.35; color: #8e1b05; background: #ffe7df; border-left: 3px solid #c4260a; }
.fineprint { font-size: 12.5px; line-height: 1.4; color: var(--muted); margin-top: 12px; }

.confirmed-kicker { font: 700 13px/1 var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--signal); }
.confirmed-name { font-weight: 900; font-size: 30px; line-height: 1.08; letter-spacing: -.025em; margin: 10px 0 14px; overflow-wrap: anywhere; }
.stub > div { padding: 9px 0; border-top: 1px solid var(--rule); }
.stub > div:last-child { border-bottom: 1px solid var(--rule); }
.stub dt { font: 500 11px/1.3 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 2px; }
.stub dd { font-weight: 600; font-size: 15.5px; line-height: 1.3; }

/* Schematic */
.schematic { margin-top: 40px; margin-bottom: 0; }
.schematic svg { display: block; width: 100%; height: auto; overflow: visible; }
.sch-label text { font: 500 12px var(--mono); fill: #fff; }

/* Sections */
.section { padding: 76px 0; border-top: 1.5px solid var(--ink); }
.section:first-child { border-top: 0; }
h2 { font-weight: 900; font-size: clamp(30px, 3.6vw, 44px); line-height: 1.04; letter-spacing: -.03em; }
.sec-no { font: 500 13px/1 var(--mono); letter-spacing: 0; color: var(--signal); vertical-align: .95em; margin-right: 4px; }
h3 { font-weight: 800; font-size: 20px; line-height: 1.2; letter-spacing: -.012em; }

.learn-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 38px; border-left: 1.5px solid var(--ink); counter-reset: step; }
.learn-grid li { padding: 4px 22px 8px; border-right: 1.5px solid var(--ink); counter-increment: step; }
.learn-grid li::before { content: counter(step, upper-alpha); display: block; font: 700 13px/1 var(--mono); color: var(--cobalt); margin-bottom: 42px; }
.learn-grid p { margin-top: 10px; font-size: 16px; line-height: 1.48; color: var(--muted); }

.agenda { background: var(--card); }
.agenda-grid { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 56px; }
.agenda-note { margin-top: 16px; color: var(--muted); font-size: 16px; }
.rail { border-left: 2px solid var(--ink); }
.rail li { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 16px; padding: 15px 0 15px 22px; position: relative; border-top: 1px solid var(--rule); }
.rail li:first-child { border-top: 0; padding-top: 2px; }
.rail li::before { content: ""; position: absolute; left: -7px; top: 22px; width: 12px; height: 12px; background: var(--ink); }
.rail li:first-child::before { top: 8px; }
.rail time { font: 700 16px/1.45 var(--mono); }
.rail p { margin-top: 4px; font-size: 16px; line-height: 1.45; color: var(--muted); }
.rail .hands-on::before { background: var(--signal); }
.rail .hands-on time { color: #c93f0c; }
.rail .end { padding-bottom: 0; }
.rail .end::before { background: var(--card); border: 2px solid var(--ink); }

.speaker-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 56px; margin-top: 38px; }
.speaker { display: grid; grid-template-columns: 104px minmax(0, 1fr); gap: 22px; }
.avatar { width: 104px; height: 104px; display: grid; place-items: center; font-weight: 900; font-size: 40px; letter-spacing: -.03em; color: #fff; background: var(--cobalt); }
.avatar.alt { background: var(--signal); color: var(--ink); }
.speaker-role { font: 500 13px/1.4 var(--mono); margin: 5px 0 10px; color: var(--muted); }
.speaker p:last-child { font-size: 16px; line-height: 1.48; }

.faq { background: var(--ink); color: #fff; border-top: 0; }
.faq .sec-no { color: var(--signal); }
.faq-grid { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 56px; }
.faq dt { font-weight: 800; font-size: 19px; line-height: 1.25; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.28); }
.faq dt:first-child { padding-top: 0; border-top: 0; }
.faq dd { margin: 6px 0 18px; color: #c3c6d8; font-size: 16.5px; }
.faq dd:last-child { margin-bottom: 0; }

.foot { background: var(--signal); color: var(--ink); padding: 26px 0 30px; }
.foot-row { display: flex; flex-wrap: wrap; gap: 8px 28px; align-items: baseline; justify-content: space-between; padding-right: 180px; }
.foot-cta { font-weight: 900; font-size: 30px; letter-spacing: -.025em; color: inherit; text-decoration: none; }
.foot-cta:hover { text-decoration: underline; text-decoration-thickness: 3px; text-underline-offset: 4px; }
.foot p { font-size: 15px; }

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .ticket { max-width: 520px; width: calc(100% - 10px); }
  .learn-grid { grid-template-columns: 1fr 1fr; border-left: 0; }
  .learn-grid li { border: 0; border-top: 1.5px solid var(--ink); padding: 16px 20px 26px 0; }
  .learn-grid li::before { margin-bottom: 16px; }
  .agenda-grid, .faq-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .speaker-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .wrap { width: calc(100% - 36px); }
  .hero { padding: 24px 0 32px; }
  h1 { margin: 20px 0 16px; }
  .facts { grid-template-columns: 1fr 1fr; }
  .facts > div:nth-child(odd) { border-left: 0; }
  .facts > div:nth-child(n+3) { border-top: 1.5px solid #fff; }
  .facts dd { font-size: 15px; }
  .schematic { display: none; }
  .section { padding: 52px 0; }
  .learn-grid { grid-template-columns: minmax(0, 1fr); }
  .rail li { grid-template-columns: minmax(0, 1fr); gap: 2px; padding-left: 18px; }
  .speaker { grid-template-columns: 72px minmax(0, 1fr); gap: 14px; }
  .avatar { width: 72px; height: 72px; font-size: 28px; }
  .foot-row { padding-right: 0; padding-bottom: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
