/* StageWatch's website draft: four short pages behind tabs, in the program's
   own dark colours. No outside fonts or scripts: it works from any plain web
   host. Without the script every page shows in turn (html:not(.paged)). */

:root {
  --bg: #05080c;
  --card: #0f161d;
  --line: #1f2b36;
  --ink: #e9eef3;
  --soft: #a3b0bd;
  --teal: #19e3c3;
  --teal-ink: #04201b;
  --teal-soft: #7ff0dc;
  --warn: #f7c64a;
  --radius: 14px;
  --wrap: 1180px;
  --top: 64px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex; flex-direction: column;
  background: var(--bg) radial-gradient(1000px 520px at 70% -120px, rgba(25, 227, 195, 0.14), transparent 70%) no-repeat;
  color: var(--ink);
  font: 17px/1.6 "Segoe UI", "Noto Sans", system-ui, -apple-system, sans-serif;
  -webkit-text-size-adjust: 100%;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal-soft); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid var(--teal); outline-offset: 3px; border-radius: 6px;
}
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
@media (min-width: 700px) { .wrap { padding: 0 28px; } }

/* Header and tabs */
.top { position: sticky; top: 0; z-index: 10; background: rgba(5, 8, 12, 0.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top-row { display: flex; align-items: center; gap: 16px; min-height: var(--top); flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 19px; }
.tabs { display: flex; gap: 4px; margin-left: auto; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs a { color: var(--soft); text-decoration: none; font-size: 15px; padding: 8px 12px; border-radius: 999px; white-space: nowrap; }
.tabs a:hover { color: var(--ink); }
.tabs a[aria-selected="true"] { color: var(--teal-ink); background: var(--teal); font-weight: 700; }
.tabs .short { display: none; }
@media (max-width: 640px) {
  .tabs .long { display: none; }
  .tabs .short { display: inline; }
  .top-row { padding-top: 10px; padding-bottom: 10px; }
  .tabs { margin-left: 0; width: 100%; justify-content: space-between; }
  .tabs a { padding: 7px 10px; font-size: 14px; }
}

/* Pages */
.deck { flex: 1; display: flex; }
.panel { flex: 1; display: flex; align-items: center; padding: 40px 0; }
html.paged .panel[hidden] { display: none; }
html:not(.paged) .deck { flex-direction: column; }
@media (min-width: 900px) { .panel { min-height: calc(100vh - var(--top) - 70px); } }

/* Buttons */
.btn {
  display: inline-block; border: 0; cursor: pointer;
  background: var(--teal); color: var(--teal-ink);
  font: inherit; font-weight: 700; text-decoration: none;
  padding: 12px 22px; border-radius: 10px;
}
.btn:hover { background: var(--teal-soft); }
.btn-quiet { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-quiet:hover { background: var(--card); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.actions.next { margin-top: 28px; justify-content: space-between; }

/* Home */
.hero { display: grid; gap: 32px; align-items: center; }
@media (min-width: 980px) { .hero { grid-template-columns: 5fr 6fr; gap: 48px; } }
.pill { display: inline-block; margin: 0 0 16px; padding: 5px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--soft); font-size: 14px; }
h1 { font-size: clamp(34px, 5.2vw, 56px); line-height: 1.08; letter-spacing: -0.02em; margin: 0 0 16px; }
h1 span { color: var(--teal); }
.lede { font-size: clamp(17px, 2vw, 20px); color: var(--soft); margin: 0 0 26px; max-width: 46ch; }
.shot { margin: 0; }
.shot img { border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5); }
.shot figcaption { color: var(--soft); font-size: 13px; margin-top: 10px; }

/* Text pages */
.kicker { margin: 0 0 8px; color: var(--teal); font-size: 13px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
h2 { font-size: clamp(28px, 4vw, 42px); line-height: 1.12; letter-spacing: -0.01em; margin: 0 0 14px; max-width: 22ch; }
h3 { font-size: 19px; margin: 0 0 8px; }
p { margin: 0 0 14px; }
.intro { color: var(--soft); max-width: 58ch; margin-bottom: 24px; }
.grid { display: grid; gap: 14px; }
@media (min-width: 640px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .grid { grid-template-columns: repeat(4, 1fr); } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card p { color: var(--soft); margin: 0; }

/* Early access */
.apply-grid { display: grid; gap: 32px; align-items: start; }
@media (min-width: 900px) { .apply-grid { grid-template-columns: 1fr 1fr; gap: 56px; } }
details { border-top: 1px solid var(--line); }
details:last-of-type { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 700; padding: 12px 0 12px 24px; list-style: none; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::before { content: ""; position: absolute; left: 4px; top: 1.15em; width: 8px; height: 8px; border-right: 2px solid var(--teal); border-bottom: 2px solid var(--teal); transform: rotate(-45deg); transition: transform 0.15s; }
details[open] summary::before { transform: rotate(45deg); }
details p { color: var(--soft); margin: 0 0 14px 24px; }
.form { display: grid; gap: 16px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.form label { display: grid; gap: 6px; font-weight: 600; font-size: 15px; }
.form input, .form textarea { width: 100%; font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 11px 13px; }
.form textarea { resize: vertical; }
.form .btn { justify-self: start; }
.status { margin: 0; min-height: 1.6em; }
.status.wait { color: var(--warn); }

/* Footer */
.foot { padding: 18px 0 22px; border-top: 1px solid var(--line); }
.foot p { color: var(--soft); font-size: 13px; margin: 0; }
@media (prefers-reduced-motion: reduce) { summary::before { transition: none; } }