/* LAN BAT project hub. Shares its palette and type with lanbat.github.io/nixconf. No build step, no third-party requests. */

@font-face {
  font-family: "Bricolage Grotesque";
  src: url("fonts/bricolage-grotesque-400-800.woff2") format("woff2");
  font-weight: 400 800;
  font-display: swap;
}
@font-face { font-family: "IBM Plex Mono"; src: url("fonts/ibm-plex-mono-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "IBM Plex Mono"; src: url("fonts/ibm-plex-mono-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }

:root {
  --mist: #e9edf4;
  --paper: #f7f9fc;
  --ink: #1d1a3d;
  --ink-2: #51506f;
  --line: #c8cfdf;
  --cobalt: #2f4bff;
  --cobalt-d: #2036d6;
  --amber: #f2a516;
  --rose: #c43d68;
  --moss: #1f8a64;

  --dusk: #1c1a3a;
  --dusk-2: #262450;
  --dusk-line: #3a376b;
  --on-dusk: #e8e7ff;
  --on-dusk-2: #a9a7d4;

  --sans: "Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --r: 14px;
  --r-s: 7px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--mist);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  font-optical-sizing: auto;
}
a { color: var(--cobalt-d); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--ink); }
code { font-family: var(--mono); font-size: .88em; background: rgba(29, 26, 61, .07); padding: .1em .35em; border-radius: 4px; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; border-radius: 4px; }

.wrap { width: min(1180px, 100% - 48px); margin-inline: auto; }

.skip {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--ink); color: #fff; padding: 10px 14px; border-radius: var(--r-s);
}
.skip:focus { top: 12px; }

/* ───── Header ───── */
.top {
  position: sticky; top: 0; z-index: 50;
  background: rgba(233, 237, 244, .88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.top__row { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 16px; }
.mark {
  display: inline-flex; align-items: center; gap: 12px;
  color: var(--ink); text-decoration: none;
  font-weight: 800; font-size: 1.4rem; letter-spacing: .02em;
}
.mark__tile {
  display: inline-grid; place-items: center;
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--dusk); color: var(--amber);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .6) inset, 0 4px 14px rgba(28, 26, 58, .18);
  transition: transform .2s;
}
.mark:hover .mark__tile { transform: rotate(-6deg); }
.mark__b { color: var(--cobalt); }
.top__nav { display: flex; align-items: center; gap: 26px; }
.top__nav a:not(.btn) { color: var(--ink-2); text-decoration: none; font-weight: 500; font-size: .98rem; }
.top__nav a:not(.btn):hover { color: var(--ink); text-decoration: underline; text-underline-offset: 6px; }

/* ───── Buttons ───── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 20px; border-radius: 10px;
  background: var(--ink); color: #fff;
  font: inherit; font-weight: 600; text-decoration: none;
  border: 1.5px solid var(--ink);
  transition: background .15s, color .15s, border-color .15s;
}
.btn:hover { background: var(--cobalt); border-color: var(--cobalt); color: #fff; }
.btn--small { padding: 7px 14px; font-size: .95rem; }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn--light { background: var(--amber); border-color: var(--amber); color: var(--dusk); }
.btn--light:hover { background: #fff; border-color: #fff; color: var(--dusk); }

/* ───── Hero ───── */
.hero { padding: clamp(48px, 8vw, 104px) 0 clamp(40px, 6vw, 72px); }
.eyebrow { font-family: var(--mono); font-size: .85rem; font-weight: 500; color: var(--ink-2); margin: 0 0 18px; letter-spacing: .02em; }
h1 {
  margin: 0;
  font-weight: 800;
  font-size: clamp(2.6rem, 6.4vw, 5.4rem);
  line-height: .98;
  letter-spacing: -.04em;
  text-wrap: balance;
  max-width: 15ch;
}
h1 .dim { color: var(--ink-2); font-weight: 600; }
.lead { max-width: 62ch; margin: 30px 0 32px; font-size: 1.2rem; color: var(--ink-2); }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }

/* ───── Map (how the pieces fit) ───── */
.map {
  margin-top: clamp(40px, 6vw, 64px);
  background: var(--dusk); color: var(--on-dusk);
  border-radius: var(--r);
  padding: clamp(20px, 3vw, 32px);
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px;
  position: relative;
}
.map__node {
  background: var(--dusk-2); border: 1px solid var(--dusk-line); border-radius: 10px;
  padding: 16px; text-decoration: none; color: inherit;
  transition: border-color .15s, transform .15s;
}
.map__node:hover { border-color: var(--amber); transform: translateY(-2px); color: inherit; }
.map__where { font-family: var(--mono); font-size: .76rem; color: var(--on-dusk-2); text-transform: uppercase; letter-spacing: .06em; }
.map__name { display: block; font-weight: 700; font-size: 1.08rem; margin: 4px 0 6px; color: #fff; }
.map__does { font-size: .92rem; color: var(--on-dusk-2); line-height: 1.45; }
.map__caption { grid-column: 1 / -1; margin: 6px 0 0; font-family: var(--mono); font-size: .8rem; color: var(--on-dusk-2); }
.map__caption b { color: var(--amber); font-weight: 500; }

/* ───── Sections ───── */
.section { padding: clamp(48px, 7vw, 96px) 0; }
.section__head { max-width: 760px; margin-bottom: 36px; }
h2 { margin: 0 0 14px; font-size: clamp(1.8rem, 3.6vw, 2.8rem); line-height: 1.08; letter-spacing: -.03em; font-weight: 700; text-wrap: balance; }
h3 { margin: 0; font-size: 1.5rem; line-height: 1.15; letter-spacing: -.02em; font-weight: 700; }
.section__head p { margin: 0; color: var(--ink-2); font-size: 1.1rem; max-width: 66ch; }

/* ───── Projects ───── */
.projects { display: grid; gap: 20px; }
.proj {
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(20px, 4vw, 48px);
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r);
  padding: clamp(22px, 3.5vw, 40px);
}
.proj__tag { display: inline-block; font-family: var(--mono); font-size: .78rem; font-weight: 500; padding: 3px 9px; border-radius: 999px; margin-bottom: 14px; }
.proj__tag--cobalt { background: rgba(47, 75, 255, .1); color: var(--cobalt-d); }
.proj__tag--moss { background: rgba(31, 138, 100, .12); color: #146a4b; }
.proj__tag--rose { background: rgba(196, 61, 104, .1); color: #a32f55; }
.proj__tag--amber { background: rgba(242, 165, 22, .18); color: #8a5a00; }
.proj__repo { font-family: var(--mono); font-size: .9rem; color: var(--ink-2); margin: 6px 0 14px; }
.proj p { margin: 0 0 18px; color: var(--ink-2); }
.proj__links { display: flex; flex-wrap: wrap; gap: 10px; }
.proj ul { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); align-self: start; }
.proj li { padding: 10px 0; border-bottom: 1px solid var(--line); font-size: .96rem; line-height: 1.45; }
.proj li b { font-weight: 600; color: var(--ink); }

/* ───── Get started ───── */
.start { scroll-margin-top: 90px; }
.start:not(.is-ready) .start__tabs { display: none; }
.start:not(.is-ready) .start__panel + .start__panel { margin-top: 20px; }
.start__tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-bottom: 16px; }
.start__tabs button {
  display: flex; flex-direction: column; align-items: flex-start; gap: 2px;
  text-align: left; cursor: pointer;
  padding: 14px 16px; border-radius: 12px;
  background: var(--paper); color: var(--ink); border: 1.5px solid var(--line);
  font: inherit; transition: border-color .15s, background .15s, color .15s;
}
.start__tabs button:hover { border-color: var(--ink); }
.start__tabs button[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.start__goal { font-weight: 700; font-size: 1.05rem; letter-spacing: -.01em; }
.start__proj { font-family: var(--mono); font-size: .8rem; color: var(--ink-2); }
.start__tabs button[aria-selected="true"] .start__proj { color: var(--amber); }

.start__panel {
  display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: clamp(24px, 4vw, 56px);
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--r);
  padding: clamp(22px, 3.5vw, 40px);
}
.start__panel[hidden] { display: none; }
.need h3 { font-size: 1.1rem; margin-bottom: 10px; }
.need ul { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.need li { padding: 9px 0; border-bottom: 1px solid var(--line); font-size: .95rem; line-height: 1.45; }
.need__tip { margin: 16px 0 0; font-size: .92rem; color: var(--ink-2); padding: 12px 14px; background: rgba(242, 165, 22, .12); border-radius: 10px; }

.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; display: grid; grid-template-columns: minmax(0, 1fr); gap: 22px; min-width: 0; }
.steps li { counter-increment: step; position: relative; padding-left: 46px; }
.steps li::before {
  content: counter(step);
  position: absolute; left: 0; top: -1px;
  width: 30px; height: 30px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--ink); color: #fff; font-weight: 700; font-size: .9rem;
}
.steps h4 { margin: 0 0 4px; font-size: 1.08rem; letter-spacing: -.01em; }
.steps p { margin: 0 0 10px; color: var(--ink-2); font-size: .97rem; }
.code { position: relative; background: var(--dusk); border-radius: 10px; }
.code pre { margin: 0; padding: 38px 16px 14px; overflow-x: auto; }
.code code { background: none; padding: 0; color: var(--on-dusk); font-size: .84rem; line-height: 1.6; white-space: pre; }
.copy {
  position: absolute; top: 8px; right: 8px;
  font: 500 .76rem var(--mono); cursor: pointer;
  padding: 4px 9px; border-radius: 6px;
  background: var(--dusk-2); color: var(--on-dusk-2); border: 1px solid var(--dusk-line);
}
.copy:hover { color: #fff; border-color: var(--on-dusk-2); }
.more { grid-column: 2; margin: 4px 0 0; font-size: .95rem; color: var(--ink-2); }

/* ───── Principles ───── */
.beliefs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 40px; list-style: none; margin: 0; padding: 0; }
.beliefs li { border-top: 2px solid var(--ink); padding-top: 14px; }
.beliefs h4 { margin: 0 0 6px; font-size: 1.12rem; letter-spacing: -.01em; }
.beliefs p { margin: 0; color: var(--ink-2); font-size: .98rem; }

/* ───── Call to action ───── */
.band { background: var(--dusk); color: var(--on-dusk); border-radius: var(--r); padding: clamp(28px, 5vw, 56px); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.band h2 { color: #fff; margin: 0 0 8px; }
.band p { margin: 0; color: var(--on-dusk-2); max-width: 56ch; }

/* ───── Footer ───── */
.foot { padding: 36px 0 48px; color: var(--ink-2); font-size: .92rem; }
.foot__row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; border-top: 1px solid var(--line); padding-top: 22px; }
.foot a { color: var(--ink-2); }

@media (max-width: 1020px) {
  .map { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proj { grid-template-columns: minmax(0, 1fr); }
  .beliefs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .start__tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .start__panel { grid-template-columns: minmax(0, 1fr); }
  .more { grid-column: 1; }
}
@media (max-width: 720px) {
  .wrap { width: calc(100% - 32px); }
  .top__nav a:not(.btn) { display: none; }
  .map { grid-template-columns: minmax(0, 1fr); }
  .beliefs { grid-template-columns: minmax(0, 1fr); }
  .steps li { padding-left: 0; }
  .steps li::before { position: static; margin-bottom: 8px; }
  .lead { font-size: 1.08rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .map__node, .btn, .start__tabs button { transition: none; }
  .map__node:hover { transform: none; }
}