:root {
  --sand: #e8dcc8;
  --pipe: #6ec4b8;
  --copper: #b87333;
  --rust: #8a4a32;
  --ink: #2a241c;
  --mute: #6a6054;
  --glass: #f4efe4;
  --display: "Teko", "Noto Sans SC", sans-serif;
  --sans: "Noto Sans SC", "PingFang SC", sans-serif;
  --mono: "Source Code Pro", ui-monospace, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 72px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--sand);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
.app-link { color: var(--copper); text-decoration: underline; text-underline-offset: 3px; }
button { font-family: inherit; cursor: pointer; }
.sand {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 4;
  opacity: 0.14;
  background-image: url("images/texture.webp");
  background-size: 380px auto;
  mix-blend-mode: multiply;
}
.pipe-ring {
  pointer-events: none;
  position: fixed;
  right: -80px;
  top: 30vh;
  width: 220px;
  height: 220px;
  border: 14px solid var(--copper);
  border-radius: 50%;
  opacity: 0.18;
  z-index: 3;
}
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; z-index: 80; background: var(--pipe); padding: 8px; }
.collar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 22px;
  background: #2a241c;
  color: var(--pipe);
  border-bottom: 8px solid var(--copper);
}
.brand { font-family: var(--display); font-weight: 600; font-size: 28px; letter-spacing: 0.04em; }
.brand small {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: #c4b090;
  font-weight: 400;
}
.nav-toggle {
  display: none;
  background: var(--copper);
  color: #fff;
  border: 0;
  padding: 6px 12px;
}
.ip-links { display: flex; gap: 14px; font-size: 14px; flex-wrap: wrap; }
.ip-links a { color: #c4b090; }
.ip-links a.is-active, .ip-links a:hover { color: var(--pipe); }
.ip-links .live { background: var(--pipe); color: #1a1814; padding: 6px 12px; }
.hero { padding: 0; }
.hero > img {
  width: 100%;
  max-height: 42vh;
  min-height: 200px;
  object-fit: cover;
}
.plaque {
  width: min(760px, calc(100% - 40px));
  margin: -48px auto 0;
  position: relative;
  z-index: 2;
  background: var(--glass);
  border: 4px solid var(--copper);
  padding: 20px 22px;
}
.kicker, .vlabel {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--rust);
  margin: 0 0 8px;
}
h1 {
  font-family: var(--display);
  font-size: clamp(36px, 6vw, 58px);
  margin: 0 0 8px;
  letter-spacing: 0.04em;
  line-height: 1;
}
h2 { font-family: var(--display); font-size: clamp(26px, 3.2vw, 36px); margin: 0 0 12px; }
.lead { margin: 0 0 10px; }
.meta { font-family: var(--mono); font-size: 12px; color: var(--mute); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.cu {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border: 1px solid var(--copper);
  font-size: 15px;
}
.cu.fill { background: var(--copper); color: #fff; }
.cu.ghost { background: transparent; color: var(--rust); }
.tray { width: min(1040px, calc(100% - 40px)); margin: 0 auto; padding: 56px 0; }
.alt { background: #d8cbb4; }
.lede { color: var(--mute); max-width: 46em; }
.trio { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; margin-top: 20px; }
.seg {
  background: var(--glass);
  padding: 16px;
  border-top: 8px solid var(--pipe);
}
.seg ul { margin: 0; padding-left: 1.1em; }
.steps { list-style: none; margin: 0 0 24px; padding: 0; }
.steps li {
  background: var(--glass);
  padding: 12px 16px;
  margin-bottom: 8px;
  border-left: 6px solid var(--pipe);
}
.steps span {
  font-family: var(--mono);
  color: var(--copper);
  margin-right: 10px;
}
.steps strong { margin-right: 8px; }
figure { margin: 0 0 20px; }
figure img { width: 100%; border: 4px solid var(--copper); }
figcaption { font-size: 13px; color: var(--mute); margin-top: 8px; }
.proj-board {
  padding: 16px;
  background: var(--glass);
  border: 1px dashed var(--rust);
}
.mono { font-family: var(--mono); font-size: 13px; color: var(--copper); }
.clamp-row { display: flex; gap: 8px; margin: 16px 0; }
.clamp-btn {
  min-width: 72px;
  padding: 10px 12px;
  border: 2px solid var(--copper);
  background: var(--glass);
  font-family: var(--display);
  font-size: 20px;
}
.clamp-btn.is-on { background: var(--pipe); }
.lock { font-family: var(--display); font-size: 28px; margin: 0 0 16px; color: var(--rust); }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.posts { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.posts li { background: var(--glass); padding: 16px; }
.edge { color: var(--mute); }
.foot {
  padding: 24px 28px 40px;
  border-top: 8px solid var(--copper);
  color: var(--mute);
  font-size: 14px;
}
@media (max-width: 860px) {
  .collar { flex-wrap: wrap; position: relative; }
  .nav-toggle { display: inline-block; }
  .ip-links {
    display: none;
    width: 100%;
    flex-direction: column;
    background: #1e1a16;
    padding: 12px;
  }
  .ip-links.open { display: flex; }
  .trio, .pair, .posts { grid-template-columns: 1fr; }
  .plaque { width: calc(100% - 20px); margin-top: -28px; }
  .hero > img { min-height: 180px; max-height: 32vh; }
}