/* =========================================================
   XAVIER DE BELLE — core design system
   Black. White. One volt of yellow. Nothing else.
   ========================================================= */

:root {
  --ink:    #000000;
  --paper:  #ffffff;
  --volt:   #ffe800;
  --smoke:  #141414;
  --ash:    #2a2a2a;
  --dust:   #8a8a8a;

  --stack: "Helvetica Neue", Helvetica, Arial, "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --edge: 3px;
  --gut: clamp(16px, 4vw, 40px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--stack);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body { overflow-x: hidden; }

a { color: inherit; }

::selection { background: var(--volt); color: var(--ink); }

:focus-visible {
  outline: var(--edge) solid var(--volt);
  outline-offset: 3px;
}

/* ---------- type ---------- */

.display {
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 0.82;
  text-transform: uppercase;
  margin: 0;
}

.kicker {
  font-family: var(--mono);
  font-size: clamp(10px, 1.1vw, 12px);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--dust);
  margin: 0;
}

.volt { color: var(--volt); }

/* ---------- shared chrome ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: var(--gut);
  padding: 14px var(--gut);
  background: var(--ink);
  border-bottom: var(--edge) solid var(--paper);
}

.topbar__mark {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  font-size: clamp(13px, 1.4vw, 16px);
  white-space: nowrap;
}

.topbar__mark img { width: 26px; height: 26px; display: block; }

.topbar__nav {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  row-gap: 4px;
  gap: clamp(12px, 2.5vw, 32px);
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.topbar__nav a {
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}

.topbar__nav a:hover,
.topbar__nav a[aria-current="page"] {
  color: var(--volt);
  border-bottom-color: var(--volt);
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border: var(--edge) solid var(--paper);
  background: transparent;
  color: var(--paper);
  font-family: var(--stack);
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s, transform .15s;
}

.btn:hover {
  background: var(--volt);
  border-color: var(--volt);
  color: var(--ink);
  transform: translate(-2px, -2px);
}

.btn--solid {
  background: var(--volt);
  border-color: var(--volt);
  color: var(--ink);
}

.btn--solid:hover { background: var(--paper); border-color: var(--paper); }

/* ---------- footer ---------- */

.foot {
  border-top: var(--edge) solid var(--paper);
  padding: clamp(32px, 6vw, 64px) var(--gut);
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: flex-end;
  justify-content: space-between;
}

.foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(14px, 3vw, 34px);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.foot__links a { text-decoration: none; border-bottom: 2px solid var(--ash); padding-bottom: 3px; }
.foot__links a:hover { color: var(--volt); border-bottom-color: var(--volt); }

.foot__sig {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--dust);
  text-transform: uppercase;
}

/* ---------- utility ---------- */

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--volt);
  color: var(--ink);
  padding: 12px 18px;
  font-weight: 900;
  text-transform: uppercase;
  text-decoration: none;
}
.skip:focus { left: 0; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* Pages carry just two buttons — Index and the account — so the bar stays
   one row on phones too: wordmark left, buttons right. */
@media (max-width: 760px) {
  .topbar { padding: 11px var(--gut); gap: 12px; }
  .topbar__nav { gap: 8px; }
}
@media (max-width: 360px) {
  .topbar__mark { font-size: 12px; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ---------- account button (filled in by assets/account.js) ---------- */
.topbar__account { display: flex; align-items: center; }
.topbar__account:empty { display: none; }
.hud-account { display: none; }
@media (max-width: 820px) { .hud-account { display: block; } }

/* ---------- the two top-bar buttons: Index + account ---------- */
.topbar__nav { flex-wrap: nowrap; gap: 10px; }
.topbar__btn {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 12px;
  background: var(--ink);
  color: var(--paper);
  border: 2px solid var(--paper);
  border-radius: 0;
  font: 700 11px/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}
.topbar__btn:hover, .topbar__btn:focus-visible { border-color: var(--volt); color: var(--volt); outline: none; }
.topbar__account .xa-chip { height: 36px; box-sizing: border-box; }
@media (max-width: 480px) {
  /* signed in on a phone: avatar and dot only, so a long status word never meets the name */
  .topbar__account .xa-chip:not(.xa-out) { padding: 0 4px; }
  .topbar__account .xa-lbl { display: none; }
}

/* ---------- the Index overlay (assets/site-index.js) ---------- */
.sidx-on { overflow: hidden; }
.sidx {
  position: fixed; inset: 0; z-index: 900;
  background: var(--ink); color: var(--paper);
  overflow-y: auto; padding: var(--gut);
}
.sidx__top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 16px; }
.sidx__acts { display: flex; gap: 10px; }
.sidx__h {
  font-weight: 900; text-transform: uppercase; letter-spacing: -.04em;
  font-size: clamp(34px, 8vw, 76px); line-height: .85; margin: 0 0 8px;
}
.index__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2px;
  margin-top: 34px;
  background: var(--paper);
  border: 3px solid var(--paper);
}
.index__col { background: var(--ink); padding: 24px; }
.index__col h3 {
  font-family: var(--mono); font-size: 11px; letter-spacing: .24em;
  color: var(--volt); margin: 0 0 18px; text-transform: uppercase; font-weight: 400;
}
.index__col a {
  display: block; text-decoration: none; font-weight: 900; text-transform: uppercase;
  font-size: 15px; padding: 9px 0; border-bottom: 2px solid var(--ash);
  letter-spacing: -.01em; color: var(--paper);
}
.index__col a:hover { color: var(--volt); }

/* Short viewports (landscape phones, small panes): the map needs the height
   more than the strapline does. */
@media (max-height: 620px) {
  .hud--brand p { display: none; }
  .hud--hint { display: none; }
}