/* Doorlist site. Layout language after Apple's product pages: full-bleed tiles that
   alternate light, parchment and near-black; one accent for everything clickable; pill
   actions; no gradients; the only shadow sits under the product shot. */
:root {
  --accent: #d7263d;          /* velvet red, the one "click me" colour, on light surfaces */
  --accent-on-dark: #ec3b52;  /* same accent, lifted so it reads on dark tiles */
  --accent-focus: #b81e33;
  --ink: #1e1b18;
  --ink-80: #333336;
  --ink-48: #6e6e73;
  --on-dark: #f5f5f7;
  --on-dark-muted: #a1a1a6;
  --canvas: #ffffff;
  --parchment: #faf6f0;     /* cream, the app's canvas */
  --tile-dark: #12100e;
  --tile-dark-2: #1e1b18;
  --hairline: rgba(0, 0, 0, 0.08);
  --product-shadow: rgba(0, 0, 0, 0.22) 3px 5px 30px 0;
  --display: "SF Pro Display", system-ui, -apple-system, BlinkMacSystemFont, "Inter", sans-serif;
  --text: "SF Pro Text", system-ui, -apple-system, BlinkMacSystemFont, "Inter", sans-serif;
  --max: 980px;
  --wide: 1120px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 64px; }
body {
  margin: 0; background: var(--canvas); color: var(--ink);
  font: 400 17px/1.47 var(--text); letter-spacing: -0.022em;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--accent-focus); outline-offset: 3px; border-radius: 6px; }
.wrap { max-width: var(--wide); margin: 0 auto; padding: 0 22px; }
.narrow { max-width: var(--max); }

/* Frosted sub-nav */
.subnav {
  position: sticky; top: 0; z-index: 10; height: 52px;
  background: rgba(245, 245, 247, 0.8);
  -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--hairline);
}
.subnav .wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 9px; font: 600 21px/1 var(--display); letter-spacing: 0.01em; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand svg, .brand img { width: 28px; height: 28px; }
.subnav nav { display: flex; align-items: center; gap: 22px; font-size: 14px; letter-spacing: -0.016em; }
.subnav nav a:not(.pill) { color: var(--ink-80); }

/* Actions */
.pill {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 11px 22px;
  border-radius: 980px; background: var(--accent); color: #fff; font: 400 17px/1 var(--text); letter-spacing: -0.022em;
  border: 1px solid var(--accent); transition: transform 120ms ease-out;
}
.pill:hover { text-decoration: none; }
.pill:active { transform: scale(0.95); }
.pill.ghost { background: transparent; color: var(--accent); }
.pill.small { min-height: 30px; padding: 6px 14px; font-size: 14px; }
.dark .pill.ghost { color: var(--accent-on-dark); border-color: var(--accent-on-dark); }
.actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* Tiles */
.tile { padding: 80px 0; text-align: center; }
.tile.parchment { background: var(--parchment); }
.tile.dark { background: var(--tile-dark); color: var(--on-dark); }
.tile.dark + .tile.dark { background: var(--tile-dark-2); }
.tile.dark a:not(.pill) { color: var(--accent-on-dark); }
.tile h1 { font: 600 clamp(40px, 6.2vw, 64px)/1.06 var(--display); letter-spacing: -0.03em; margin: 0 auto 14px; max-width: 16ch; }
.tile h2 { font: 600 clamp(32px, 4.6vw, 48px)/1.08 var(--display); letter-spacing: -0.025em; margin: 0 auto 12px; max-width: 18ch; }
.tile .lead { font: 400 clamp(21px, 2.6vw, 28px)/1.18 var(--display); letter-spacing: 0.004em; color: var(--ink-80); margin: 0 auto 28px; max-width: 30ch; }
.tile.dark .lead { color: var(--on-dark-muted); }
.tile h1, .tile h2, .tile .lead, .card b, summary { text-wrap: balance; }
.tile .fine { font-size: 14px; color: var(--ink-48); margin-top: 16px; letter-spacing: -0.016em; }

/* The product shot: the only shadow on the page */
.device {
  width: min(300px, 72vw); margin: 56px auto 0; padding: 9px; border-radius: 48px; background: #0b0b0c;
  box-shadow: var(--product-shadow);
}
.device img { border-radius: 40px; }
.tile.dark .device { box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08); }

/* Split feature tiles */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; text-align: left; }
.split .device { margin: 0 auto; }
.split h2, .split .lead { margin-left: 0; }
.split.flip .copy { order: 2; }
.points { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.points li { padding-left: 26px; position: relative; color: var(--ink-80); }
.points li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.tile.dark .points li { color: var(--on-dark-muted); }
.tile.dark .points li::before { background: var(--accent-on-dark); }

/* Utility cards: hairline, 18px, no shadow */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; text-align: left; margin-top: 48px; }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.card { background: var(--canvas); border: 1px solid var(--hairline); border-radius: 18px; padding: 28px; }
.card b { display: block; font: 600 21px/1.19 var(--display); letter-spacing: 0.01em; margin-bottom: 8px; }
.card span { color: var(--ink-80); }
.card .num { display: block; font: 600 14px/1 var(--text); color: var(--accent); margin-bottom: 14px; letter-spacing: 0; }
.sites { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 32px; }
.sites span { border: 1px solid var(--hairline); background: var(--canvas); border-radius: 980px; padding: 9px 16px; font-size: 14px; color: var(--ink-80); }

/* Questions */
.faq { text-align: left; margin-top: 40px; border-top: 1px solid var(--hairline); }
details { border-bottom: 1px solid var(--hairline); }
summary { cursor: pointer; list-style: none; padding: 22px 36px 22px 0; font: 600 19px/1.3 var(--display); letter-spacing: -0.01em; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 4px; top: 18px; font: 300 28px/1 var(--display); color: var(--ink-48); }
details[open] summary::after { content: "–"; }
details p { margin: -6px 0 24px; color: var(--ink-80); max-width: 62ch; }

/* Footer: parchment, dense, quiet */
footer { background: var(--parchment); color: var(--ink-48); font-size: 12px; letter-spacing: -0.01em; padding: 28px 0 40px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; border-top: 1px solid var(--hairline); padding-top: 20px; }
footer nav { display: flex; flex-wrap: wrap; gap: 6px 20px; }
footer a { color: var(--ink-80); }

/* Legal pages */
.legal { max-width: 720px; margin: 0 auto; padding: 56px 22px 88px; }
.legal h1 { font: 600 clamp(36px, 5vw, 48px)/1.08 var(--display); letter-spacing: -0.025em; margin: 0 0 8px; }
.legal .updated { color: var(--ink-48); margin: 0 0 40px; }
.legal h2 { font: 600 24px/1.2 var(--display); letter-spacing: -0.01em; margin: 44px 0 12px; }
.legal li { margin: 6px 0; }
.legal table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 14px 0; }
.legal th, .legal td { text-align: left; padding: 12px 8px; border-bottom: 1px solid var(--hairline); vertical-align: top; }
.legal th { color: var(--ink-48); font-weight: 600; }

@media (max-width: 833px) {
  .split, .split.flip { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .split .copy { order: 0 !important; }
  .split h2, .split .lead { margin-left: auto; }
  .points { text-align: left; max-width: 420px; margin: 0 auto; }
  .cards, .cards.two { grid-template-columns: 1fr; }
  .subnav nav a.hide-sm { display: none; }
}
@media (max-width: 640px) {
  .tile { padding: 56px 0; }
  .device { margin-top: 40px; }
}
@media (prefers-reduced-motion: reduce) {
  .pill { transition: none; }
  .pill:active { transform: none; }
}