/* Little Snowfall: night street, sodium lamp, snow. Mobile first. */
:root {
  --night: #0f1a2b;
  --slush: #1c2a40;
  --frost: #9fb3c8;
  --snow: #f4f6f8;
  --lamp: #f2b35b;
  --lamp-deep: #d98f2b;

  --display: "Gloock", Georgia, serif;
  --body: "Atkinson Hyperlegible", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;

  --gutter: 20px;
  --max: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--night);
  color: var(--snow);
  font: 17px/1.55 var(--body);
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; }
a { color: var(--lamp); }
:focus-visible { outline: 3px solid var(--lamp); outline-offset: 3px; }

/* falling snow over the whole page; pointer-events off so it never blocks taps */
#snow { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 5; }

.bar {
  position: sticky; top: 0; z-index: 10;
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px var(--gutter);
  background: color-mix(in srgb, var(--night) 88%, transparent);
  backdrop-filter: blur(8px);
}
.wordmark { font: 26px/1 var(--display); letter-spacing: .01em; }
.bar-buy {
  font: 500 14px/1 var(--mono); color: var(--night); background: var(--lamp);
  padding: 10px 14px; border-radius: 999px; text-decoration: none;
}

h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 1.08; margin: 0; }
h1 { font-size: clamp(40px, 11vw, 76px); }
h2 { font-size: clamp(30px, 7vw, 46px); }
h3 { font-size: 24px; }

.tag, .opt-price, .facts, .note, legend { font-family: var(--mono); font-weight: 500; }
.tag { color: var(--lamp); font-size: 13px; letter-spacing: .06em; text-transform: uppercase; margin: 0 0 14px; }

/* hero: the product video is the thesis; copy sits under it on phones, beside it on desktop */
.hero { display: grid; gap: 28px; padding: 8px var(--gutter) 56px; max-width: var(--max); margin: 0 auto; }
.hero-video {
  width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 22px;
  box-shadow: 0 0 80px -10px color-mix(in srgb, var(--lamp) 45%, transparent);
}
.lede { color: var(--frost); font-size: 19px; margin: 18px 0 26px; max-width: 32ch; }

.btn {
  display: inline-block; border: 0; cursor: pointer;
  font: 700 18px/1 var(--body); color: var(--night); background: var(--lamp);
  padding: 18px 28px; border-radius: 14px; text-decoration: none;
  box-shadow: 0 10px 30px -12px var(--lamp);
  transition: background .2s, transform .2s;
}
.btn:hover { background: #f7c47a; transform: translateY(-1px); }
.btn:disabled { opacity: .6; cursor: wait; transform: none; }
.btn-wide { width: 100%; }

section { padding: 56px var(--gutter); max-width: var(--max); margin: 0 auto; }

.steps ol { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 34px; counter-reset: step; }
.steps li { counter-increment: step; }
.steps li video, .steps li img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 16px; margin-bottom: 16px; }
.steps h3::before { content: counter(step) " · "; color: var(--lamp); font-family: var(--mono); font-size: 16px; vertical-align: middle; }
.steps p { color: var(--frost); margin: 8px 0 0; }

.buy { display: grid; gap: 28px; }
.buy-photo { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 22px; }
.buy-panel { background: var(--slush); border-radius: 22px; padding: 26px 22px; }
.qty { border: 0; padding: 0; margin: 22px 0; display: grid; gap: 12px; }
legend { font-size: 13px; color: var(--frost); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 10px; }
.opt { display: block; cursor: pointer; }
.opt input { position: absolute; opacity: 0; }
.opt-body {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 16px 18px; border-radius: 14px; border: 2px solid color-mix(in srgb, var(--frost) 35%, transparent);
}
.opt input:checked + .opt-body { border-color: var(--lamp); background: color-mix(in srgb, var(--lamp) 10%, transparent); }
.opt input:focus-visible + .opt-body { outline: 3px solid var(--lamp); outline-offset: 3px; }
.opt-name { font-weight: 700; }
.opt-name small { display: block; font-weight: 400; color: var(--frost); }
.opt-price { color: var(--lamp); font-size: 20px; }
.buy-error { color: #ffb4a8; margin: 12px 0 0; }
.facts { list-style: none; padding: 0; margin: 22px 0 0; font-size: 14px; color: var(--frost); display: grid; gap: 8px; }
.facts li::before { content: "❄ "; color: var(--snow); }

.box ul { padding-left: 1.2em; margin: 22px 0 12px; display: grid; gap: 6px; }
.note { font-size: 14px; color: var(--frost); }

.faq details { border-top: 1px solid color-mix(in srgb, var(--frost) 25%, transparent); padding: 18px 0; }
.faq details:first-of-type { margin-top: 18px; }
.faq summary { cursor: pointer; font-weight: 700; font-size: 18px; }
.faq p { color: var(--frost); margin: 10px 0 0; }

.foot { padding: 40px var(--gutter) 60px; text-align: center; color: var(--frost); font-size: 14px; }

@media (min-width: 820px) {
  .hero { grid-template-columns: 1fr 1fr; align-items: center; padding-top: 40px; }
  .steps ol { grid-template-columns: repeat(3, 1fr); }
  .buy { grid-template-columns: 1fr 1fr; align-items: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}