/* Arcadia Science's palette and type (arcadiascience.com): Raleway, Lora for titles, Atkinson Hyperlegible Mono
   for small labels; charcoal on dawn. Every page here fits one screen: nothing scrolls, either way. */
:root {
  --dawn: #FAF5F2; --ink: #262626; --charcoal: #484B50; --muted: #737373;
  --button: #171717; --button-ink: #FAFAFA;
  --sans: "Raleway", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: "Lora", Georgia, serif;
  --mono: "Atkinson Hyperlegible Mono", ui-monospace, "SF Mono", Menlo, monospace;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; height: 100%; overflow: hidden; }
body { display: flex; flex-direction: column; height: 100vh; height: 100dvh; color: var(--charcoal);
  background: linear-gradient(var(--dawn), #fff) no-repeat, #fff;
  font: 400 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
:focus-visible { outline: 2px solid #5088C5; outline-offset: 3px; border-radius: 4px; }

.bar { flex: none; display: flex; justify-content: center; padding: 20px 24px; }
.mark { display: inline-flex; align-items: center; gap: 9px; color: var(--ink); text-decoration: none;
  font: 400 15px var(--sans); letter-spacing: .1em; }
.mark img { width: 17px; height: 15px; }

.hero { flex: 1; min-height: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 100%; padding: 0 24px 4vh; text-align: center; }
h1 { margin: 0 0 min(2.4vh, 20px); padding-left: .14em; color: var(--ink);
  font: 200 min(11.5vw, 12vh, 100px)/1 var(--sans); letter-spacing: .14em; }
.lead { max-width: 36rem; margin: 0; font: 300 clamp(17px, min(2.3vw, 3vh), 22px)/1.45 var(--sans); color: var(--ink); }
.helix { display: block; width: min(100%, 720px); height: auto; max-height: 18vh; margin: min(4vh, 36px) 0; }
.open { display: inline-flex; align-items: center; gap: 10px; padding: 14px 28px; border-radius: 999px;
  background: var(--button); color: var(--button-ink); text-decoration: none; font: 500 15px var(--sans); letter-spacing: .02em;
  transition: background-color .15s; }
.open:hover { background: var(--charcoal); }
.open span { transition: transform .15s; }
.open:hover span { transform: translateX(3px); }
.who { margin: 14px 0 0; font-size: 14px; color: var(--muted); overflow-wrap: anywhere; }

footer { flex: none; padding: 16px 24px 20px; text-align: center; font: 400 12px/1.5 var(--mono); color: var(--muted); }

/* opening PANORAMA, and what went wrong */
.notice h1 { padding: 0; margin-bottom: 22px; font: 400 clamp(26px, 4vw, 34px)/1.25 var(--serif); letter-spacing: 0; }
.notice p { margin: 0 0 22px; font-size: 17px; }
.dots { display: inline-flex; gap: 8px; }
.dots i { width: 9px; height: 9px; border-radius: 50%; animation: pulse 1.4s ease-in-out infinite; }
.dots i:nth-child(1) { background: #3B9886; }
.dots i:nth-child(2) { background: #5088C5; animation-delay: .2s; }
.dots i:nth-child(3) { background: #7A77AB; animation-delay: .4s; }
.dots i:nth-child(4) { background: #F28360; animation-delay: .6s; }
@keyframes pulse { 0%, 100% { opacity: .25; transform: scale(.8); } 50% { opacity: 1; transform: scale(1); } }

@media (max-height: 520px) { .helix { display: none; } .lead { margin-bottom: 24px; } }
@media (prefers-reduced-motion: reduce) {
  .dots i, .open, .open span { animation: none; transition: none; }
}
