/* ============================================================
   SmileAtMy Labs — design system
   Dark, technical, precise. Near-black base, restrained neon.
   ============================================================ */

:root {
  /* Surfaces */
  --bg:            #04060B;
  --bg-2:          #070A12;
  --panel:         #0A0F1C;
  --glass:         rgba(12, 18, 32, 0.78);

  /* Text */
  --text:          #E6F1FF;
  --muted:         #7D8AA5;
  --faint:         #4A566E;

  /* Accents */
  --cyan:          #00E5FF;
  --blue:          #3A7BFF;
  --violet:        #8B5CFF;
  --red:           #FF304F;
  --amber:         #FFB000;

  /* Lines */
  --border:        rgba(0, 229, 255, 0.14);
  --border-soft:   rgba(125, 138, 165, 0.14);
  --hair:          rgba(230, 241, 255, 0.06);

  /* Type */
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SF Mono", "JetBrains Mono", "Cascadia Code", Consolas, ui-monospace, monospace;

  /* Rhythm */
  --maxw: 1180px;
  --gut: clamp(20px, 5vw, 56px);
  --radius: 4px;

  --shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.8);
  --glow-cyan: 0 0 0 1px rgba(0, 229, 255, 0.18), 0 18px 50px -20px rgba(0, 229, 255, 0.22);
}

/* ------------------------------------------------ reset */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  letter-spacing: 0.005em;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
::selection { background: rgba(0, 229, 255, 0.22); color: #fff; }

/* ------------------------------------------------ ambient field
   Layered: fine grid + radial cyan glow + drift. Fixed behind all. */
.field {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(900px 600px at 78% -8%, rgba(0, 229, 255, 0.10), transparent 60%),
    radial-gradient(760px 520px at 6% 12%, rgba(58, 123, 255, 0.08), transparent 58%),
    radial-gradient(680px 680px at 50% 116%, rgba(139, 92, 255, 0.07), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
}
.field::before {
  /* fine technical grid */
  content: "";
  position: absolute;
  inset: -2px;
  background-image:
    linear-gradient(to right, rgba(125, 138, 165, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(125, 138, 165, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(120% 100% at 50% 0%, #000 35%, transparent 92%);
  -webkit-mask-image: radial-gradient(120% 100% at 50% 0%, #000 35%, transparent 92%);
}
.field::after {
  /* slow gradient drift accent */
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(520px 360px at var(--dx, 30%) var(--dy, 20%), rgba(0, 229, 255, 0.06), transparent 60%);
  animation: drift 26s ease-in-out infinite alternate;
}
@keyframes drift {
  0%   { transform: translate3d(-3%, -2%, 0); opacity: 0.7; }
  100% { transform: translate3d(4%, 3%, 0);  opacity: 1; }
}

/* scanline + noise overlay, very low opacity, above field, below content */
.veil {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.5;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.16) 3px,
    rgba(0, 0, 0, 0) 4px
  );
}
.veil::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: url("noise.svg");
  background-size: 180px 180px;
}

/* ------------------------------------------------ layout */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gut);
}
section { position: relative; }
.section { padding-block: clamp(64px, 9vw, 132px); }
.section--tight { padding-block: clamp(48px, 6vw, 84px); }

/* blade-like diagonal separator */
.blade {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--border) 18%, rgba(255, 48, 79, 0.4) 50%, var(--border) 82%, transparent);
  opacity: 0.7;
  position: relative;
}
.blade::after {
  content: "";
  position: absolute;
  left: 50%;
  top: -3px;
  width: 7px;
  height: 7px;
  transform: translateX(-50%) rotate(45deg);
  background: var(--red);
  box-shadow: 0 0 12px rgba(255, 48, 79, 0.6);
}

/* ------------------------------------------------ terminal / eyebrow labels */
.eyebrow {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--red);
  box-shadow: 0 0 10px rgba(255, 48, 79, 0.7);
}
.eyebrow.is-muted { color: var(--muted); }
.eyebrow.is-muted::before { background: var(--cyan); box-shadow: 0 0 10px rgba(0,229,255,0.6); }

.tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.coord {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--faint);
  white-space: nowrap;
}

/* corner measurement marks on panels */
.ticked { position: relative; }
.ticked::before,
.ticked::after {
  content: "";
  position: absolute;
  width: 9px;
  height: 9px;
  pointer-events: none;
}
.ticked::before { top: 10px; left: 10px;  border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.ticked::after  { bottom: 10px; right: 10px; border-bottom: 1px solid var(--border); border-right: 1px solid var(--border); }

/* ------------------------------------------------ type scale */
h1, h2, h3 { line-height: 1.08; letter-spacing: -0.02em; font-weight: 600; }
.display {
  font-size: clamp(34px, 6.2vw, 68px);
  letter-spacing: -0.03em;
  font-weight: 650;
}
.h2 { font-size: clamp(26px, 3.6vw, 40px); }
.h3 { font-size: clamp(18px, 2vw, 22px); }
.lede {
  font-size: clamp(16px, 1.5vw, 19px);
  color: var(--muted);
  max-width: 60ch;
}
.measure { max-width: 64ch; }
.text-muted { color: var(--muted); }

/* ------------------------------------------------ header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  background: linear-gradient(180deg, rgba(4, 6, 11, 0.82), rgba(4, 6, 11, 0.5));
  border-bottom: 1px solid var(--hair);
}
.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
}
.brand .mark { width: 28px; height: 28px; flex: none; }
.wordmark {
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
}
.wordmark .dim { color: var(--muted); font-weight: 500; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  font-size: 13.5px;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: var(--radius);
  position: relative;
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-links a:hover { color: var(--text); background: rgba(125,138,165,0.07); }
.nav-links a[aria-current="page"] { color: var(--text); }
.nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 12px; right: 12px; bottom: 2px;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(0,229,255,0.7);
}
.nav-cta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(0, 229, 255, 0.04);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.nav-cta:hover {
  border-color: rgba(0, 229, 255, 0.5);
  box-shadow: var(--glow-cyan);
  background: rgba(0, 229, 255, 0.08);
}
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 18px; height: 18px; }

/* ------------------------------------------------ buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  padding: 12px 20px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.btn:active { transform: translateY(1px); }
.btn .arrow { font-family: var(--mono); transition: transform 0.2s ease; }
.btn:hover .arrow { transform: translateX(3px); }
.btn-primary {
  color: #03121A;
  background: linear-gradient(180deg, #46ecff, var(--cyan));
  box-shadow: 0 14px 40px -16px rgba(0, 229, 255, 0.65), inset 0 1px 0 rgba(255,255,255,0.4);
}
.btn-primary:hover { box-shadow: 0 18px 52px -14px rgba(0, 229, 255, 0.8), inset 0 1px 0 rgba(255,255,255,0.5); }
.btn-ghost {
  color: var(--text);
  border-color: var(--border);
  background: rgba(125, 138, 165, 0.04);
}
.btn-ghost:hover { border-color: rgba(0, 229, 255, 0.4); background: rgba(0, 229, 255, 0.05); }
.btn-mono {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ------------------------------------------------ chips / pills */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 7px 11px;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: rgba(10, 15, 28, 0.5);
}
.chip .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.8);
}
.chip .dot.is-pulse { animation: pulse 2.6s ease-in-out infinite; }
.chip .dot.amber { background: var(--amber); box-shadow: 0 0 8px rgba(255,176,0,0.8); }
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.82); }
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; }
.pill.ok    { color: #8af7d0; border-color: rgba(0,229,255,0.22); }
.pill.ok .dot { background: #2fe6b0; box-shadow: 0 0 9px rgba(47,230,176,0.8); }
.pill.live  { color: var(--cyan); border-color: rgba(0,229,255,0.28); }
.pill.live .dot { background: var(--cyan); box-shadow: 0 0 9px rgba(0,229,255,0.8); animation: pulse 2.6s ease-in-out infinite; }
.pill.internal { color: var(--muted); border-color: var(--border-soft); }
.pill.internal .dot { background: var(--faint); }
.pill.amber { color: var(--amber); border-color: rgba(255,176,0,0.26); }
.pill.amber .dot { background: var(--amber); box-shadow: 0 0 9px rgba(255,176,0,0.8); }

/* ------------------------------------------------ cards */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative;
  background: var(--glass);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 26px 24px 28px;
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.card::before {
  /* shimmer top edge */
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,229,255,0.5), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.card:hover {
  border-color: rgba(0, 229, 255, 0.32);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  background: rgba(14, 21, 38, 0.85);
}
.card:hover::before { opacity: 1; }
.card .idx {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}
.card .h3 { margin-top: 14px; }
.card p { margin-top: 10px; color: var(--muted); font-size: 14.5px; }
.card .corner {
  position: absolute;
  top: 16px; right: 16px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--faint);
}

/* note cards */
.note {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.note .meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.note .cat { color: var(--cyan); }
.note .read {
  margin-top: auto;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.note .read .arrow { color: var(--cyan); transition: transform 0.2s ease; }
.card:hover .note .read .arrow { transform: translateX(4px); }

/* principle rows */
.principles {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(10, 15, 28, 0.4);
}
.principle {
  padding: 26px 22px;
  border-right: 1px solid var(--hair);
  position: relative;
}
.principle:last-child { border-right: 0; }
.principle .n {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--red);
}
.principle .t {
  margin-top: 14px;
  font-size: 16px;
  font-weight: 550;
  letter-spacing: -0.01em;
}
.principle::after {
  content: "";
  position: absolute;
  left: 22px; bottom: 0;
  width: 18px; height: 2px;
  background: var(--cyan);
  opacity: 0.5;
}

/* ------------------------------------------------ telemetry panel (decorative) */
.telemetry {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(10,15,28,0.6), rgba(7,10,18,0.85));
  padding: 22px;
  min-height: 360px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--glow-cyan);
}
.telemetry .head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.telemetry .grid-bg {
  position: absolute;
  inset: 22px;
  background-image:
    linear-gradient(rgba(0,229,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  mask-image: linear-gradient(180deg, #000, transparent);
  -webkit-mask-image: linear-gradient(180deg, #000, transparent);
}
.telemetry svg.wave { width: 100%; height: 120px; overflow: visible; }
.telemetry .wave path { filter: drop-shadow(0 0 6px rgba(0,229,255,0.6)); }
.dash { stroke-dasharray: 4 7; animation: march 8s linear infinite; }
@keyframes march { to { stroke-dashoffset: -110; } }
.sweep { animation: sweep 6s ease-in-out infinite; }
@keyframes sweep {
  0%, 100% { transform: translateX(0); opacity: 0.2; }
  50% { transform: translateX(100%); opacity: 0.9; }
}
.telemetry .readout {
  margin-top: auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  border-top: 1px solid var(--hair);
  padding-top: 16px;
}
.readout .cell .k { font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; color: var(--faint); text-transform: uppercase; }
.readout .cell .v { margin-top: 6px; font-family: var(--mono); font-size: 13px; color: var(--text); display: flex; align-items: center; gap: 7px; }
.readout .cell .v .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px rgba(0,229,255,0.8); }

/* ------------------------------------------------ status list */
.statuslist {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
}
.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--hair);
  background: rgba(10, 15, 28, 0.4);
}
.status-row:last-child { border-bottom: 0; }
.status-row .label { display: flex; align-items: center; gap: 14px; }
.status-row .label .ix { font-family: var(--mono); font-size: 11px; color: var(--faint); letter-spacing: 0.12em; }
.status-row .label .name { font-size: 15px; font-weight: 500; }

/* ------------------------------------------------ info blocks */
.infoblock {
  border-left: 1px solid var(--border);
  padding-left: 20px;
}
.infoblock h3 { font-size: 15px; letter-spacing: -0.005em; }
.infoblock p { margin-top: 8px; color: var(--muted); font-size: 14.5px; }
.mailrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: clamp(15px, 2.4vw, 20px);
  letter-spacing: 0.02em;
  color: var(--text);
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(0,229,255,0.04);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.mailrow:hover { border-color: rgba(0,229,255,0.5); box-shadow: var(--glow-cyan); }
.mailrow .at { color: var(--cyan); }

/* ------------------------------------------------ page hero (interior) */
.page-hero { padding-block: clamp(56px, 8vw, 104px) clamp(28px, 4vw, 48px); }
.page-hero .display { margin-top: 22px; }
.page-hero .lede { margin-top: 20px; }

/* ------------------------------------------------ footer */
.site-footer {
  margin-top: 40px;
  border-top: 1px solid var(--hair);
  background: linear-gradient(180deg, transparent, rgba(7,10,18,0.7));
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-block: 56px 28px;
}
.footer-grid .brand { margin: 0 0 16px; }
.footer-col h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 14px;
}
.footer-col a, .footer-col p { display: block; color: var(--muted); font-size: 14px; padding: 5px 0; }
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  padding-block: 22px;
  border-top: 1px solid var(--hair);
}
.footer-bottom .coord { color: var(--faint); }

/* ------------------------------------------------ 404 */
.lost {
  min-height: calc(100vh - 68px);
  display: grid;
  place-items: center;
  text-align: center;
  padding: var(--gut);
}
.lost .panel {
  max-width: 560px;
  position: relative;
  padding: 56px 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--glass);
  box-shadow: var(--glow-cyan);
}
.lost .code {
  font-family: var(--mono);
  font-size: clamp(56px, 14vw, 104px);
  font-weight: 600;
  letter-spacing: -0.04em;
  background: linear-gradient(180deg, var(--text), var(--muted));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

/* ------------------------------------------------ utilities */
.stack-sm > * + * { margin-top: 12px; }
.stack > * + * { margin-top: 20px; }
.stack-lg > * + * { margin-top: 32px; }
.row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.between { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.center { text-align: center; }
.mx-auto { margin-inline: auto; }
.section-head { margin-bottom: 36px; }
.section-head .h2 { margin-top: 16px; max-width: 22ch; }

/* reveal on load — end-state is the base so content is NEVER stranded
   (hidden/background tabs freeze animations). Entrance only plays when the
   page is visible and JS has marked <html class="js"> + body.ready. */
.rise { opacity: 1; transform: none; }
@media (prefers-reduced-motion: no-preference) {
  html.js body:not(.ready) .rise { opacity: 0; transform: translateY(14px); }
  html.js .rise { transition: opacity 0.6s ease, transform 0.6s cubic-bezier(.2,.7,.2,1); }
  html.js .rise.d1 { transition-delay: 0.06s; }
  html.js .rise.d2 { transition-delay: 0.12s; }
  html.js .rise.d3 { transition-delay: 0.18s; }
  html.js .rise.d4 { transition-delay: 0.24s; }
}

/* ------------------------------------------------ responsive */
@media (max-width: 940px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .principles { grid-template-columns: repeat(2, 1fr); }
  .principle { border-bottom: 1px solid var(--hair); }
  .hero-split { grid-template-columns: 1fr !important; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-links, .nav-cta { display: none; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 68px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px var(--gut) 20px;
    background: rgba(4,6,11,0.97);
    border-bottom: 1px solid var(--border-soft);
    backdrop-filter: blur(14px);
  }
  .nav-links.open a { padding: 12px; font-size: 15px; }
  .nav-toggle { display: inline-flex; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .principles { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .readout { grid-template-columns: 1fr 1fr; }
}

/* ------------------------------------------------ reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
  .rise { opacity: 1; transform: none; }
}

/* ------------------------------------------------ accessibility: skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  padding: 10px 16px;
  background: var(--cyan);
  color: #02060d;
  font-family: var(--mono);
  font-size: 13px;
  border-radius: var(--radius);
}
.skip-link:focus {
  left: 12px;
  top: 12px;
  outline: 2px solid #fff;
}