:root {
  --lime: #94d64f;
  --lime2: #b6df86;
  --pale: #eef5ea;
  --body: #c4d0bf;
  --muted: #889783;
  --line: #30412e;
  --card: #16241d;
  --bg: #101a12;
  --sans: "Zeist", Arial, sans-serif;
  --mono: "DM Mono", "SFMono-Regular", monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(125% 60% at 50% 0%, #2b3f2a, #182719 48%, #101a12);
  color: var(--body);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
}

.wrap { max-width: 760px; margin: auto; padding: 0 24px 90px; }
.hero { padding: 50px 0 12px; }
.eyebrow { text-transform: uppercase; letter-spacing: .2em; font: .82rem/1.5 var(--mono); color: var(--muted); }
.eyebrow b { color: var(--lime); }

h1 {
  font-weight: 300;
  font-size: clamp(2rem, 6vw, 2.8rem);
  line-height: 1.12;
  color: var(--pale);
  max-width: 18ch;
  margin: 16px 0 20px;
}

.meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; }
.pill { border: 1px solid var(--line); border-radius: 999px; padding: 5px 11px; font-size: .8rem; color: var(--pale); background: #111d15; }

.callout, .alignment, .feedback { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 22px 24px; margin-bottom: 28px; }
.callout { border-left: 3px solid var(--lime); }
.callout p { margin: 0 0 12px; }
.callout p:last-child { margin: 0; }

.alignment h2, .feedback h2 { font: .9rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--lime2); margin: 0 0 10px; }
.alignment p { margin: 0 0 10px; }
.outcomes { margin: 8px 0 0; padding-left: 22px; }
.outcomes li { margin: 7px 0; }
.outcomes b { color: var(--pale); }

.experience-intro { margin: 42px 0 18px; }
.experience-intro h2 { margin: 0 0 5px; font: .82rem/1.4 var(--mono); letter-spacing: .18em; color: var(--lime); }
.experience-intro p { margin: 0; font-size: 1.35rem; line-height: 1.25; color: var(--pale); }

.downloads { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.button { display: inline-block; padding: 10px 16px; border-radius: 999px; text-decoration: none; font-weight: 650; background: var(--lime); color: #0f1a10; }
.button.secondary { background: transparent; color: var(--lime2); border: 1px solid var(--line); }

details { border: 1px solid var(--line); border-radius: 10px; margin-bottom: 14px; overflow: hidden; background: #0e1710; }
summary { list-style: none; cursor: pointer; padding: 18px 20px; display: flex; align-items: center; gap: .6rem; font-size: 1.12rem; font-weight: 650; color: var(--pale); }
summary::-webkit-details-marker { display: none; }
summary:after { content: ""; flex: 0 0 12px; width: 12px; height: 12px; margin-left: auto; background: linear-gradient(var(--lime), var(--lime)) center / 12px 2px no-repeat, linear-gradient(var(--lime), var(--lime)) center / 2px 12px no-repeat; }
details[open] summary:after { background: linear-gradient(var(--lime), var(--lime)) center / 12px 2px no-repeat; }
.time { font: .75rem/1.3 var(--mono); text-transform: uppercase; color: #0f1a10; background: var(--lime); padding: 3px 9px; border-radius: 999px; }
.body { padding: 0 20px 22px; }
.body p { margin: 0 0 13px; }
.body ul { margin: 0 0 16px; padding-left: 22px; }
.body li { margin-bottom: 8px; }
.lead { font-weight: 650; color: var(--pale); }

.video { border: 1px solid var(--line); border-radius: 9px; overflow: hidden; margin: 12px 0; background: #101a12; }
.video iframe { display: block; width: 100%; aspect-ratio: 16/9; border: 0; }
.video div { padding: 10px 13px; }
.video b { color: var(--pale); }
.play { display: inline-block; padding: 11px 20px; border-radius: 999px; background: var(--lime); color: #0f1a10; text-decoration: none; font-weight: 650; }

.feedback p { margin: 0 0 10px; }
.credit { margin-top: 48px; padding-top: 18px; border-top: 1px solid var(--line); font: .75rem/1.5 var(--mono); text-transform: uppercase; letter-spacing: .18em; color: var(--muted); }

@media (max-width: 600px) {
  body { font-size: 16px; overflow-x: hidden; }
  .wrap { padding: 0 16px 60px; }
  .hero { padding: 34px 2px 8px; }
  .eyebrow { font-size: .7rem; line-height: 1.5; }
  .hero h1 { font-size: clamp(2rem, 10vw, 2.45rem); margin: 14px 0 18px; }
  .meta { gap: 6px; margin-bottom: 22px; }
  .pill { font-size: .72rem; padding: 4px 9px; }
  .callout, .alignment, .feedback { padding: 17px 16px; margin-bottom: 20px; }
  .experience-intro { margin: 32px 2px 16px; }
  .experience-intro p { font-size: 1.2rem; }
  .alignment h2, .feedback h2 { font-size: .78rem; }
  .downloads { display: grid; gap: 8px; }
  .downloads .button, .play { display: block; width: 100%; text-align: center; padding: 11px 14px; }
  .body { padding: 0 16px 18px; }
  .body ul { padding-left: 20px; }
  .video { margin-left: -2px; margin-right: -2px; }
  .video div { padding: 9px 11px; font-size: .9rem; }
  summary { padding: 15px 16px; align-items: flex-start; gap: .45rem; font-size: 1rem; line-height: 1.35; overflow-wrap: anywhere; }
  .time { flex: 0 0 auto; font-size: .66rem; padding: 3px 7px; margin-top: 1px; }
  .credit { margin-top: 34px; font-size: .65rem; line-height: 1.5; }
}