:root {
  color-scheme: dark;
  --bg: #0A1214;
  --panel: #0F1D20;
  --rule: #1E3A3F;
  --ash: #9DB2B5;
  --paper: #FAFAFA;
  --cyan: #00D4D4;
  --cyan-soft: rgba(0, 212, 212, .12);
  --display: "Jost", "Futura", system-ui, sans-serif;
  --text: "IBM Plex Sans", system-ui, sans-serif;
  --code: "IBM Plex Mono", ui-monospace, monospace;
  --gutter: clamp(16px, 4vw, 56px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; } }
body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(60% 40% at 80% 0%, rgba(0, 212, 212, .10), transparent 70%),
    linear-gradient(var(--bg), var(--bg));
  color: var(--paper);
  font: 400 17px/1.6 var(--text);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--cyan); }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; border-radius: 6px; }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: 1160px; margin: 0 auto; padding-inline: var(--gutter); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--cyan); color: #00292b; padding: 8px 14px; border-radius: 6px; z-index: 10; }
.skip:focus { left: 8px; }

/* header */
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 20px; }
.brand { font: 700 22px/1 var(--display); color: var(--paper); text-decoration: none; letter-spacing: .01em; text-transform: uppercase; }
.brand span { color: var(--cyan); }
.brand small { font: 500 12px var(--code); color: var(--ash); letter-spacing: .12em; margin-left: 8px; }
.top nav { display: flex; align-items: center; gap: 22px; font-size: 15px; }
.top nav a:not(.btn) { color: var(--ash); text-decoration: none; }
.top nav a:not(.btn):hover { color: var(--paper); }

/* buttons */
.btn {
  display: inline-block; background: var(--cyan); color: #00292b;
  font: 700 17px/1 var(--display); letter-spacing: .02em; text-decoration: none;
  padding: 16px 28px; border-radius: 999px;
  box-shadow: 0 0 0 0 rgba(0, 212, 212, .5), 0 8px 30px -8px rgba(0, 212, 212, .55);
  transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 0 0 4px rgba(0, 212, 212, .2), 0 10px 34px -8px rgba(0, 212, 212, .7); }
.btn-sm { font-size: 14px; padding: 10px 18px; }
.btn-ghost { background: transparent; color: var(--cyan); border: 2px solid var(--cyan); box-shadow: none; }

/* hero */
.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(24px, 5vw, 72px); align-items: center; padding-block: clamp(32px, 6vw, 88px); }
.hero > * { min-width: 0; }
.eyebrow { font: 700 14px/1 var(--code); letter-spacing: .14em; text-transform: uppercase; color: var(--cyan); margin: 0 0 20px; }
.hero h1 { font: 700 clamp(52px, 8vw, 108px)/.95 var(--display); letter-spacing: -.02em; margin: 0 0 24px; }
.hero h1 em { font-style: normal; color: var(--cyan); text-shadow: 0 0 40px rgba(0, 212, 212, .45); }
.lead { max-width: 54ch; font-size: clamp(17px, 1.6vw, 20px); color: #D6E4E5; margin: 0 0 32px; }
.lead strong { color: var(--paper); }
.hero-logo img { width: 100%; max-height: 640px; margin-inline: auto; filter: drop-shadow(0 0 40px rgba(0, 212, 212, .25)); }

.countdown { border: 1px solid var(--rule); background: var(--panel); border-radius: 14px; padding: 18px 20px; max-width: 520px; margin-bottom: 28px; }
.countdown-label { font: 500 13px/1.3 var(--code); letter-spacing: .08em; text-transform: uppercase; color: var(--ash); margin: 0 0 12px; }
.countdown-digits { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.countdown-digits div { text-align: center; }
.countdown-digits b { display: block; font: 500 clamp(32px, 6vw, 48px)/1 var(--code); color: var(--cyan); text-shadow: 0 0 18px rgba(0, 212, 212, .55); font-variant-numeric: tabular-nums; }
.countdown-digits span { font: 400 12px var(--code); color: var(--ash); text-transform: uppercase; letter-spacing: .1em; }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; margin: 0; }
.hashtag, .note { font: 400 14px var(--code); color: var(--ash); }

/* facts strip */
.facts { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); margin-block: 0; padding-block: 0; border-block: 1px solid var(--rule); }
.facts li { padding: 22px 20px; border-left: 1px solid var(--rule); }
.facts li:first-child { border-left: 0; padding-left: 0; }
.facts span { display: block; font: 500 12px var(--code); letter-spacing: .12em; text-transform: uppercase; color: var(--ash); }
.facts b { font: 600 clamp(18px, 2vw, 22px)/1.25 var(--display); }

/* blocks */
.block { padding-block: clamp(56px, 9vw, 112px) 0; }
.block:last-of-type { padding-bottom: clamp(56px, 9vw, 112px); }
.block h2 { font: 700 clamp(30px, 4vw, 48px)/1.1 var(--display); letter-spacing: -.01em; margin: 0 0 36px; }
.mark { font: 500 14px var(--code); color: var(--cyan); letter-spacing: .1em; vertical-align: middle; margin-right: 10px; }
.block h3 { font: 500 13px var(--code); letter-spacing: .14em; text-transform: uppercase; color: var(--cyan); margin: 24px 0 10px; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 5vw, 72px); align-items: start; }
.cols > * { min-width: 0; }
.big { font: 500 clamp(22px, 2.6vw, 30px)/1.35 var(--display); margin: 0; }
.stack p { margin: 0 0 16px; color: #D6E4E5; }

/* terminal */
.terminal { background: var(--panel); border: 1.5px solid var(--cyan); border-radius: 12px; padding: 16px 20px 22px; font-family: var(--code); font-size: 16px; box-shadow: 0 0 40px -12px rgba(0, 212, 212, .4); }
.dots { display: flex; gap: 6px; margin-bottom: 14px; }
.dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--cyan); }
.terminal p { margin: 0 0 8px; }
.prompt { color: var(--cyan); }
.terminal ul { list-style: none; margin: 0; padding: 0; }
.terminal li { color: #7FE9E4; padding: 3px 0; }
.terminal li::before { content: "> "; color: var(--ash); }
.terminal .other { color: var(--paper); }
.cursor { animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* pills */
.pills { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; }
.pills li { border: 2px solid var(--cyan); color: var(--paper); border-radius: 999px; padding: 8px 18px; font: 700 14px var(--display); text-transform: uppercase; letter-spacing: .06em; }
.pills-sm li { background: var(--cyan-soft); border-width: 1px; padding: 5px 14px; font-size: 12px; }

/* steps */
.steps { list-style: none; counter-reset: s; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding: 0; margin: 0 0 36px; }
.steps li { counter-increment: s; background: var(--panel); border: 1px solid var(--rule); border-radius: 14px; padding: 24px; }
.steps li::before { content: counter(s); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; border: 2px solid var(--cyan); color: var(--cyan); font: 700 20px var(--display); margin-bottom: 16px; }
.steps b { font: 700 22px var(--display); }
.steps p { margin: 8px 0 0; color: var(--ash); }

/* place */
.date { font: 700 clamp(40px, 6vw, 72px)/1 var(--display); text-transform: uppercase; margin: 0 0 20px; }
.venue { font: 600 26px/1.2 var(--display); margin: 0 0 24px; color: var(--cyan); }
.venue span { font: 400 16px var(--text); color: var(--ash); }
.pending { margin: 0; display: grid; gap: 0; border-top: 1px solid var(--rule); }
.pending div { display: flex; justify-content: space-between; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--rule); }
.pending dt { font: 500 13px var(--code); letter-spacing: .12em; text-transform: uppercase; color: var(--ash); }
.pending dd { margin: 0; font-weight: 600; text-align: right; }
.tbc { color: var(--ash); font-style: italic; font-weight: 400 !important; }
.allies { list-style: none; display: flex; flex-wrap: wrap; align-items: stretch; gap: 20px; margin: 0; padding: 0; }
.allies li { display: flex; flex-direction: column; justify-content: center; min-height: 120px; padding: 20px 32px; border: 1px solid var(--rule); border-radius: 14px; background: var(--panel); }
.allies b { font: 700 28px var(--display); }
.allies span { font: 400 15px var(--text); color: var(--ash); }
.allies .logo-card { background: var(--paper); border-color: var(--paper); }
.allies .logo-card img { height: 72px; width: auto; }
.allies .logo-card a { display: block; }

/* footer */
.foot { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; padding-block: 32px; border-top: 1px solid var(--rule); color: var(--ash); font-size: 14px; }
.foot p { margin: 0; }
.foot img { width: auto; }

@media (max-width: 820px) {
  .top nav a:not(.btn) { display: none; }
  .brand small { display: none; }
  .hero, .cols { grid-template-columns: 1fr; }
  .hero-logo { order: -1; max-width: 360px; margin-inline: auto; }
  .facts { grid-template-columns: 1fr; }
  .facts li { border-left: 0; padding-left: 0; border-top: 1px solid var(--rule); }
  .facts li:first-child { border-top: 0; }
  .steps { grid-template-columns: 1fr; }
}

/* easter eggs */
.egg-rain { position: fixed; inset: 0; width: 100vw; height: 100vh; pointer-events: none; z-index: 50; opacity: .55; transition: opacity .8s; }
.egg-rain.out { opacity: 0; }
.egg-toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 60; background: var(--panel); color: var(--cyan); border: 1.5px solid var(--cyan); border-radius: 999px; padding: 12px 22px; font: 500 15px var(--code); box-shadow: 0 0 30px rgba(0, 212, 212, .45); max-width: calc(100vw - 32px); text-align: center; }
.hero-logo img { transition: filter .6s; }
.on-fire .hero-logo img { filter: drop-shadow(0 0 28px #00D4D4) drop-shadow(0 0 80px rgba(0, 212, 212, .8)) brightness(1.2); }

/* agenda */
.agenda-intro { max-width: 70ch; color: #D6E4E5; margin: 0 0 32px; }
.agenda { list-style: none; margin: 0 0 32px; padding: 0; border-top: 1px solid var(--rule); }
.slot { display: grid; grid-template-columns: 110px 72px 1fr; gap: 8px 20px; align-items: start; padding: 22px 0; border-bottom: 1px solid var(--rule); }
.slot time { font: 500 16px/1.2 var(--code); color: var(--cyan); padding-top: 6px; white-space: nowrap; }
.slot-photo { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; border: 2px solid var(--cyan); background: var(--panel); }
.slot-initials { display: grid; place-items: center; font: 700 22px var(--display); color: var(--cyan); }
.slot-name { font: 500 13px var(--code); letter-spacing: .08em; text-transform: uppercase; color: var(--ash); margin: 0 0 4px; }
.flag { display: inline-block; border: 1px solid var(--cyan); color: var(--cyan); border-radius: 999px; padding: 1px 9px; margin-left: 6px; font-size: 11px; letter-spacing: .06em; }
.slot h3 { font: 700 clamp(19px, 2.2vw, 24px)/1.25 var(--display); letter-spacing: 0; text-transform: none; color: var(--paper); margin: 0 0 6px; }
.slot-meta { font: 400 14px var(--code); color: var(--ash); margin: 0 0 8px; }
.slot details { margin-top: 4px; }
.slot summary { cursor: pointer; color: var(--cyan); font: 500 14px var(--code); list-style: none; width: fit-content; }
.slot summary::-webkit-details-marker { display: none; }
.slot summary::before { content: "+ "; }
.slot details[open] summary::before { content: "− "; }
.slot summary:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; border-radius: 4px; }
.slot details p { margin: 12px 0 0; color: #D6E4E5; font-size: 16px; max-width: 70ch; }
.slot details .slot-bio { color: var(--ash); font-size: 15px; }
.slot-links a { margin-right: 14px; }
.slot-pause { grid-template-columns: 110px 1fr; background: var(--cyan-soft); padding: 16px 12px; margin-inline: -12px; border-radius: 8px; align-items: center; }
.slot-pause time { padding-top: 0; }
.slot-pause b { font: 500 14px var(--code); letter-spacing: .14em; text-transform: uppercase; color: var(--cyan); }
@media (max-width: 640px) {
  .slot { grid-template-columns: 56px 1fr; }
  .slot time { grid-column: 1 / -1; padding-top: 0; }
  .slot-photo { width: 56px; height: 56px; }
  .slot-pause { grid-template-columns: 1fr; }
}