/* SpaceSuit XR site. One stylesheet, no build step. Dark by design: the brand is navy and the
   alpha page is mostly read in the Quest Browser. */
:root {
  --bg: #0b1424;
  --bg-2: #111d31;
  --panel: #16243a;
  --line: #24354f;
  --text: #e9eef6;
  --soft: #a6b3c7;
  --faint: #7d8ba1;
  --blue: #4f8cf7;
  --blue-2: #3a74db;
  --ok: #3fbf86;
  --warn: #e8a33a;
  --err: #ef6b6b;
  --radius: 14px;
  --wrap: 880px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: #8fb6ff; }
a:hover { color: #b8d0ff; }
img { max-width: 100%; height: auto; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

/* header */
.top { border-bottom: 1px solid var(--line); background: rgba(11, 20, 36, 0.92); position: sticky; top: 0; z-index: 5;
       backdrop-filter: blur(6px); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.brand img { height: 30px; width: auto; display: block; }
.nav { display: flex; gap: 6px; flex-wrap: wrap; }
.nav a { color: var(--soft); text-decoration: none; padding: 8px 12px; border-radius: 9px; font-size: 15px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); background: var(--panel); }

/* hero */
.hero { padding: 72px 0 48px; background: radial-gradient(ellipse at 75% 0%, #1d3557 0%, var(--bg) 65%); }
.pill { display: inline-block; font-size: 13px; letter-spacing: 0.4px; color: #cfdaea; border: 1px solid #3c5378;
        border-radius: 999px; padding: 4px 12px; margin-bottom: 18px; }
h1 { font-size: clamp(34px, 6vw, 52px); line-height: 1.08; margin: 0 0 16px; letter-spacing: -0.5px; }
.lede { font-size: 20px; color: var(--soft); max-width: 640px; margin: 0 0 26px; }
h2 { font-size: 28px; margin: 0 0 8px; letter-spacing: -0.3px; }
h3 { font-size: 19px; margin: 26px 0 8px; }
section.block { padding: 48px 0; border-top: 1px solid var(--line); }
.kicker { color: var(--blue); font-size: 13px; font-weight: 600; letter-spacing: 1.3px; text-transform: uppercase;
          margin: 0 0 6px; }
.muted { color: var(--soft); }
.small { font-size: 14px; color: var(--faint); }

.btn { display: inline-block; background: var(--blue); color: #fff; text-decoration: none; font-weight: 600;
       border: 0; border-radius: 11px; padding: 14px 22px; font-size: 17px; cursor: pointer; min-height: 52px; }
.btn:hover { background: var(--blue-2); color: #fff; }
.btn.ghost { background: transparent; border: 1px solid #3c5378; color: var(--text); }
.btn.ghost:hover { background: var(--panel); }
.btns { display: flex; gap: 12px; flex-wrap: wrap; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin-top: 18px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--soft); font-size: 15px; }

.note { background: var(--bg-2); border-left: 3px solid var(--blue); border-radius: 0 10px 10px 0; padding: 12px 16px;
        margin: 16px 0; color: var(--soft); }
.note b { color: var(--text); }

ol.steps { padding-left: 22px; }
ol.steps li { margin-bottom: 8px; }

table { width: 100%; border-collapse: collapse; margin: 10px 0 16px; font-size: 15px; }
th { text-align: left; color: var(--faint); font-weight: 600; font-size: 13px; letter-spacing: 0.8px;
     text-transform: uppercase; border-bottom: 1px solid var(--line); padding: 8px 10px; }
td { border-bottom: 1px solid var(--line); padding: 10px; vertical-align: top; }

.drawing { background: var(--panel); border-radius: var(--radius); padding: 16px; margin: 16px 0; }
.drawing img { display: block; width: 100%; }

/* feedback form: large targets for a controller pointer */
form.fb { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
          margin-top: 18px; }
.field { margin-bottom: 22px; border: 0; padding: 0; }
.field > label, .field > legend { display: block; font-weight: 600; margin-bottom: 8px; padding: 0; }
.field .hint { display: block; font-weight: 400; color: var(--faint); font-size: 14px; margin-top: 2px; }
input[type="text"], input[type="email"], textarea, select {
  width: 100%; background: var(--bg); color: var(--text); border: 1px solid #33496b; border-radius: 10px;
  padding: 13px 14px; font: inherit; min-height: 52px;
}
textarea { min-height: 150px; resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--blue); outline-offset: 1px; border-color: var(--blue); }
.choices { display: flex; flex-wrap: wrap; gap: 10px; }
.choices label { display: flex; align-items: center; gap: 10px; background: var(--bg); border: 1px solid #33496b;
                 border-radius: 10px; padding: 12px 16px; min-height: 52px; cursor: pointer; font-weight: 500; }
.choices input { width: 20px; height: 20px; accent-color: var(--blue); margin: 0; }
.choices label:has(input:checked) { border-color: var(--blue); background: #1a2d4d; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.status { margin-top: 14px; padding: 12px 16px; border-radius: 10px; display: none; }
.status.ok { display: block; background: rgba(63, 191, 134, 0.12); border: 1px solid var(--ok); }
.status.err { display: block; background: rgba(239, 107, 107, 0.12); border: 1px solid var(--err); }

/* footer */
footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--faint); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer a { color: var(--soft); }

/* privacy page and other long text */
.prose { max-width: 720px; }
.prose h2 { margin-top: 36px; font-size: 22px; }
.prose ul { padding-left: 22px; }
.prose li { margin-bottom: 6px; }

@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero { padding: 48px 0 32px; }
  .row2 { grid-template-columns: 1fr; }
  .nav a { padding: 8px 9px; }
  .brand img { height: 24px; }
  form.fb { padding: 18px; }
}