/* MARS — design-system tokens and component classes. Source of truth for the
   system's look; retune here and see readme.md.

   The ground is dark by default. A print variant lives on [data-theme="light"]
   (or .theme-light) and only re-points the role tokens — every component below
   is written against the tokens, so both grounds get the same components. */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  --color-bg: #0a0a0b;
  --color-surface: #111113;
  --color-surface-2: #17171a;
  --color-text: #f2f2f4;
  --color-text-2: #a7a7ad;
  --color-text-3: #5d5d64;
  --color-accent: oklch(0.54 0.19 25);
  --color-accent-2: oklch(0.84 0.01 100);
  --color-divider: #23232a;
  --color-divider-strong: #34343c;

  /* Tonal ramps — 100 is always the lightest step, 900 the darkest, on both
     grounds. Reach for a ramp step before reaching for color-mix(). */
  --color-neutral-100: #f2f2f4;
  --color-neutral-200: #d5d5da;
  --color-neutral-300: #a7a7ad;
  --color-neutral-400: #7b7b82;
  --color-neutral-500: #5d5d64;
  --color-neutral-600: #43434a;
  --color-neutral-700: #34343c;
  --color-neutral-800: #23232a;
  --color-neutral-900: #111113;

  --color-accent-100: oklch(0.93 0.035 25);
  --color-accent-200: oklch(0.86 0.070 25);
  --color-accent-300: oklch(0.75 0.140 25);
  --color-accent-400: oklch(0.64 0.210 25);
  --color-accent-500: oklch(0.54 0.190 25);
  --color-accent-600: oklch(0.48 0.180 23);
  --color-accent-700: oklch(0.42 0.170 22);
  --color-accent-800: oklch(0.32 0.130 22);
  --color-accent-900: oklch(0.22 0.090 22);

  --color-accent-2-100: oklch(0.97 0.004 100);
  --color-accent-2-200: oklch(0.91 0.008 100);
  --color-accent-2-300: oklch(0.84 0.010 100);
  --color-accent-2-400: oklch(0.72 0.010 100);
  --color-accent-2-500: oklch(0.62 0.010 100);
  --color-accent-2-600: oklch(0.52 0.012 100);
  --color-accent-2-700: oklch(0.42 0.012 100);
  --color-accent-2-800: oklch(0.32 0.010 100);
  --color-accent-2-900: oklch(0.22 0.008 100);

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-heading: "Space Grotesk", system-ui, sans-serif;
  --font-heading-weight: 700;
  --font-body: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  --tracking-mono: 0.14em;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;

  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;

  --rule: 1px;

  /* Elevation on a dark ground is a hairline edge plus ambient darkness —
     never a light-theme drop shadow. */
  --shadow-sm: 0 1px 0 var(--color-divider);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.55);
  --shadow-lg: 0 24px 64px rgba(0, 0, 0, 0.75);

  /* The accent emits light: bars, dots and active fills carry a glow. */
  --glow-sm: 0 0 10px color-mix(in srgb, var(--color-accent) 55%, transparent); /* @kind shadow */
  --glow-md: 0 0 22px color-mix(in srgb, var(--color-accent) 45%, transparent); /* @kind shadow */
  --glow-text: 0 0 18px color-mix(in srgb, var(--color-accent) 40%, transparent);

  --vignette: radial-gradient(ellipse 80% 70% at 50% 50%, transparent 0%, transparent 42%, color-mix(in srgb, var(--color-bg) 62%, transparent) 78%, var(--color-bg) 100%);
}

/* Print / document variant. Same crimson, same type, white ground.
   The scope re-declares color/background: `color` is inherited as a computed
   value, so re-pointing the token alone would leave dark-theme ink in place. */
[data-theme="light"], .theme-light {
  color: var(--color-text);
  background: var(--color-bg);
  --color-bg: #ffffff;
  --color-surface: #f4f4f5;
  --color-surface-2: #ebebed;
  --color-text: #0a0a0b;
  --color-text-2: #55555c;
  --color-text-3: #8b8b93;
  --color-divider: #d9d9de;
  --color-divider-strong: #b4b4bb;

  --color-neutral-100: #fafafb;
  --color-neutral-200: #f0f0f2;
  --color-neutral-300: #dcdce0;
  --color-neutral-400: #b4b4bb;
  --color-neutral-500: #8b8b93;
  --color-neutral-600: #63636b;
  --color-neutral-700: #45454c;
  --color-neutral-800: #2a2a30;
  --color-neutral-900: #131317;

  --shadow-sm: 0 1px 0 var(--color-divider);
  --shadow-md: 0 4px 14px rgba(10, 10, 11, 0.10);
  --shadow-lg: 0 16px 40px rgba(10, 10, 11, 0.16);
  --glow-sm: none; /* @kind shadow */
  --glow-md: none; /* @kind shadow */
  --glow-text: none;
}

/* ══════════════════════════════════════════════════════════════════════════
   Base
   ══════════════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0; background: var(--color-bg); color: var(--color-text);
  font-family: var(--font-body); font-size: 15px; line-height: 1.55; font-weight: 400;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  line-height: 1.05; letter-spacing: -0.03em; margin: 0 0 var(--space-3);
  text-wrap: balance;
}
h1 { font-size: 64px; }
h2 { font-size: 44px; }
h3 { font-size: 28px; letter-spacing: -0.02em; }
h4 { font-size: 20px; letter-spacing: -0.01em; }
h5 { font-size: 16px; letter-spacing: 0; }
h6 {
  font-family: var(--font-mono); font-weight: 500; font-size: 11px;
  letter-spacing: var(--tracking-mono); text-transform: uppercase; color: var(--color-text-2);
}
p { margin: 0 0 var(--space-3); text-wrap: pretty; }
a { color: var(--color-accent-400); text-decoration: none; text-underline-offset: 3px; }
a:hover { color: var(--color-accent-300); text-decoration: underline; }
strong { font-weight: 600; }
em { font-style: normal; color: var(--color-accent-400); }
img { display: block; max-width: 100%; }
figure { margin: 0; }
figcaption {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--color-text-3); margin-top: var(--space-2);
}
code, kbd, samp { font-family: var(--font-mono); font-size: 0.9em; }
.text-muted { color: var(--color-text-2); }
.text-dim { color: var(--color-text-3); }
.text-accent { color: var(--color-accent-400); }
.lede { font-size: 17px; line-height: 1.6; color: var(--color-text-2); max-width: 56ch; }
:focus { outline: none; }
:focus-visible { outline: 1px solid var(--color-accent-400); outline-offset: 2px; }
::selection { background: var(--color-accent-700); color: #fff; }

/* — mono voice: every micro-label in the system is set in it — */
.mono {
  font-family: var(--font-mono); font-size: 11px; font-weight: 400;
  letter-spacing: var(--tracking-mono); text-transform: uppercase; color: var(--color-text-2);
}
.mono-sm { font-size: 10px; letter-spacing: 0.12em; }
.mono.hot, .mono-hot { color: var(--color-accent-400); }
.kicker {
  display: inline-flex; align-items: baseline; gap: 0.55em;
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: var(--tracking-mono); text-transform: uppercase;
  color: var(--color-accent-400);
}
.kicker::before {
  content: "\25C9"; font-size: 0.9em; line-height: 1;
  text-shadow: var(--glow-text);
}
.kicker-quiet { color: var(--color-text-3); }
.kicker-quiet::before { color: var(--color-accent-400); }
.kicker-bare::before { content: none; }

/* — rules — */
.hr { height: var(--rule); border: 0; margin: var(--space-6) 0; background: var(--color-divider); }
.hr-dashed { height: 0; border: 0; border-top: 1px dashed var(--color-divider); margin: var(--space-6) 0; }
.glow { box-shadow: var(--glow-md); }

/* ══════════════════════════════════════════════════════════════════════════
   Buttons
   ══════════════════════════════════════════════════════════════════════ */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-mono); font-weight: 500; font-size: 12px;
  letter-spacing: 0.16em; text-transform: uppercase; line-height: 1;
  color: var(--color-text); background: transparent;
  border: 1px solid transparent; border-radius: var(--radius-md);
  padding: 13px 20px;
  transition: background 0.15s, border-color 0.15s, color 0.15s, box-shadow 0.15s;
}
.btn svg { display: block; }
.btn:hover { text-decoration: none; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-400); border-color: var(--color-accent-400); box-shadow: var(--glow-sm); }
.btn-primary:active { background: var(--color-accent-600); border-color: var(--color-accent-600); box-shadow: none; }
.btn-secondary { border-color: var(--color-divider-strong); color: var(--color-text); }
.btn-secondary:hover { border-color: var(--color-accent); color: var(--color-accent-400); }
.btn-secondary:active { background: var(--color-surface-2); }
.btn-ghost { color: var(--color-accent-400); padding-inline: var(--space-2); }
.btn-ghost:hover { color: var(--color-text); }
.btn-icon { width: 40px; height: 40px; padding: 0; }
.btn-sm { padding: 8px 12px; font-size: 10px; letter-spacing: 0.14em; }
.btn-block { width: 100%; margin-top: var(--space-2); justify-content: flex-start; text-align: left; }

/* ══════════════════════════════════════════════════════════════════════════
   Forms
   ══════════════════════════════════════════════════════════════════════ */

.field > label {
  display: block; font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--color-text-3); margin-bottom: 6px;
}
.input {
  width: 100%; min-height: 40px; padding: 9px 12px; font: inherit; font-size: 14px;
  color: var(--color-text); caret-color: var(--color-accent-400);
  background: var(--color-surface);
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
  transition: border-color 0.15s;
}
.input::placeholder { color: var(--color-text-3); }
.input:hover { border-color: var(--color-divider-strong); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; outline: none; box-shadow: var(--glow-sm); }
textarea.input { min-height: 96px; resize: vertical; }
.radio { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-size: 14px; }
.radio input, .seg-opt input { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.radio .dot { width: 14px; height: 14px; flex: none; border: 1px solid var(--color-divider-strong); }
.radio:hover .dot { border-color: var(--color-accent); }
.radio input:checked + .dot {
  border-color: var(--color-accent); background: var(--color-accent);
  box-shadow: inset 0 0 0 3px var(--color-bg), var(--glow-sm);
}
.radio input:focus-visible + .dot { outline: 1px solid var(--color-accent-400); outline-offset: 2px; }
.seg { display: inline-flex; border: 1px solid var(--color-divider); border-radius: var(--radius-md); }
.seg-opt {
  display: inline-flex; align-items: center; gap: 6px; padding: 9px 14px; cursor: pointer;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--color-text-2);
}
.seg-opt + .seg-opt { border-left: 1px solid var(--color-divider); }
.seg-opt:has(input:checked) { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.seg-opt:not(:has(input:checked)):hover { color: var(--color-text); background: var(--color-surface-2); }
.seg-opt:has(input:focus-visible) { outline: 1px solid var(--color-accent-400); outline-offset: -2px; }

/* ══════════════════════════════════════════════════════════════════════════
   Cards
   ══════════════════════════════════════════════════════════════════════ */

.card {
  display: flex; flex-direction: column; gap: var(--space-3);
  padding: var(--space-6); background: var(--color-surface);
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.card-flush { background: transparent; border: 0; border-right: 1px solid var(--color-divider); }
.card-flush:last-child { border-right: 0; }
.card-kicker {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: var(--tracking-mono);
  text-transform: uppercase; color: var(--color-accent-400);
}
.card-title {
  font-family: var(--font-heading); font-weight: 600; font-size: 24px;
  line-height: 1.12; letter-spacing: -0.02em;
}
.card-body { margin: 0; font-size: 14px; line-height: 1.55; color: var(--color-text-2); flex: 1; }
.card-meta {
  display: flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--color-text-3);
}
.elev-sm { box-shadow: var(--shadow-sm); }
.elev-md { box-shadow: var(--shadow-md); }
.elev-lg { box-shadow: var(--shadow-lg); }

/* ══════════════════════════════════════════════════════════════════════════
   Tags & pills
   ══════════════════════════════════════════════════════════════════════ */

.tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; padding: 4px 9px; border-radius: var(--radius-sm);
}
.tag-accent { background: var(--color-accent-900); color: var(--color-accent-300); }
.tag-accent-2 { background: var(--color-neutral-800); color: var(--color-accent-2-300); }
.tag-neutral { background: var(--color-surface-2); color: var(--color-text-2); }
.tag-outline { border: 1px solid var(--color-accent-700); color: var(--color-accent-400); }
[data-theme="light"] .tag-accent, .theme-light .tag-accent { background: var(--color-accent-100); color: var(--color-accent-700); }
[data-theme="light"] .tag-accent-2, .theme-light .tag-accent-2 { background: var(--color-neutral-200); color: var(--color-neutral-700); }
[data-theme="light"] .tag-outline, .theme-light .tag-outline { border-color: var(--color-accent-300); color: var(--color-accent-600); }

/* Certification / abbreviation pills — bordered, mono, for standards and marks. */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 10px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--color-text-2); padding: 7px 12px;
  border: 1px solid var(--color-divider); border-radius: var(--radius-sm);
}
.pill-accent { color: var(--color-accent-400); border-color: var(--color-accent-700); }
.pill-solid { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.pill-row { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* ══════════════════════════════════════════════════════════════════════════
   Navigation
   ══════════════════════════════════════════════════════════════════════ */

.nav {
  display: flex; align-items: center; gap: var(--space-6);
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-divider);
  background: color-mix(in srgb, var(--color-bg) 80%, transparent);
  backdrop-filter: blur(12px);
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: var(--tracking-mono); text-transform: uppercase;
}
.nav-brand {
  display: flex; align-items: center; gap: 10px; margin-right: auto;
  font-family: var(--font-mono); font-weight: 700; font-size: 12px;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--color-text);
}
.nav-brand img { height: 20px; width: auto; display: block; }
.nav a { color: var(--color-text-2); text-decoration: none; }
.nav a:hover, .nav a[aria-current='page'] { color: var(--color-text); text-decoration: none; }
.nav a[aria-current='page'] { color: var(--color-accent-400); }

/* ══════════════════════════════════════════════════════════════════════════
   Tables & data
   ══════════════════════════════════════════════════════════════════════ */

.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
  text-align: left; font-family: var(--font-mono); font-weight: 500; font-size: 10px;
  letter-spacing: var(--tracking-mono); text-transform: uppercase; color: var(--color-text-3);
  padding: var(--space-3) var(--space-2); border-bottom: 1px solid var(--color-divider-strong);
}
.table td { padding: var(--space-3) var(--space-2); border-bottom: 1px solid var(--color-divider); }
.table td.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; text-align: right; }
.table tbody tr:hover { background: var(--color-surface); }

/* Spec strip — bordered cells, oversized value, mono unit and caption. */
.spec {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  border-top: 1px solid var(--color-divider); border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface);
}
.spec-cell {
  display: flex; flex-direction: column; gap: var(--space-2);
  padding: var(--space-6); border-right: 1px solid var(--color-divider);
}
.spec-cell:last-child { border-right: 0; }
.spec-val {
  font-family: var(--font-heading); font-weight: 600; font-size: 44px;
  line-height: 1; letter-spacing: -0.03em; white-space: nowrap;
}
.spec-val em, .spec-unit {
  font-family: var(--font-mono); font-style: normal; font-size: 15px;
  letter-spacing: 0; color: var(--color-accent-400); margin-left: 4px;
}
.spec-label {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: var(--tracking-mono);
  text-transform: uppercase; color: var(--color-text-3);
}
.spec-note { font-size: 13px; line-height: 1.5; color: var(--color-text-2); margin: 0; }

/* Data grid — a spec sheet as label/value rows. */
.dl { margin: 0; border-top: 1px solid var(--color-divider); }
.dl-row {
  display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-4);
  padding: 11px 0; border-bottom: 1px solid var(--color-divider);
}
.dl-row dt, .dl-label {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--color-text-3); margin: 0;
}
.dl-row dd, .dl-value {
  margin: 0; font-family: var(--font-mono); font-size: 13px; white-space: nowrap;
  font-variant-numeric: tabular-nums; text-align: right; color: var(--color-text);
}
.dl-row dd em { font-style: normal; color: var(--color-accent-400); }
.dl-row.is-key dd { font-family: var(--font-heading); font-weight: 600; font-size: 17px; letter-spacing: -0.01em; }

/* KPI panel — one dominant number carrying the point. */
.kpi { display: flex; flex-direction: column; gap: var(--space-3); }
.kpi-label {
  font-family: var(--font-mono); font-size: 10px; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--color-accent-400);
}
.kpi-value {
  display: flex; align-items: baseline; gap: 8px;
  font-family: var(--font-heading); font-weight: 700; font-size: 88px;
  line-height: 0.9; letter-spacing: -0.045em;
}
.kpi-unit {
  font-family: var(--font-mono); font-weight: 400; font-size: 18px;
  letter-spacing: 0.04em; color: var(--color-accent-400);
}
.kpi-note { margin: 0; font-size: 14px; line-height: 1.55; color: var(--color-text-2); max-width: 42ch; }

/* Comparison bars — the subject against its references. */
.compare { display: flex; flex-direction: column; gap: var(--space-4); }
.compare-row { display: grid; grid-template-columns: 96px 1fr 56px; align-items: center; gap: var(--space-3); }
.compare-name {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--color-text-2);
}
.compare-track { height: 8px; background: var(--color-surface-2); position: relative; }
.compare-fill {
  position: absolute; inset: 0 auto 0 0; width: var(--val, 50%);
  background: var(--color-neutral-500);
}
.compare-num {
  font-family: var(--font-mono); font-size: 12px; font-variant-numeric: tabular-nums;
  text-align: right; color: var(--color-text-2);
}
.compare-row.is-subject .compare-name { color: var(--color-text); }
.compare-row.is-subject .compare-fill { background: var(--color-accent); box-shadow: var(--glow-sm); }
.compare-row.is-subject .compare-num { color: var(--color-accent-400); }

/* ══════════════════════════════════════════════════════════════════════════
   Imagery — full colour on the dark ground, blended into it
   ══════════════════════════════════════════════════════════════════════ */

.media { position: relative; overflow: hidden; background: #000; }
.media img { width: 100%; height: 100%; object-fit: cover; }
.media-vignette::after { content: ""; position: absolute; inset: 0; background: var(--vignette); pointer-events: none; }
.media-fade::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 40%, color-mix(in srgb, var(--color-bg) 85%, transparent) 88%, var(--color-bg) 100%);
}
.grayscale { filter: grayscale(1) contrast(1.08); }

/* Corner tag — a mono caption pinned inside a frame or over imagery. */
.corner-tag {
  position: absolute; z-index: 2;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em;
  text-transform: uppercase; white-space: nowrap;
  color: var(--color-accent-400); background: color-mix(in srgb, #000 70%, transparent);
  border: 1px solid var(--color-accent-800); padding: 5px 9px;
}
.corner-tag.quiet { color: var(--color-text-2); border-color: var(--color-divider-strong); }
.corner-tag.tl { top: 12px; left: 12px; }
.corner-tag.tr { top: 12px; right: 12px; }
.corner-tag.bl { bottom: 12px; left: 12px; }
.corner-tag.br { bottom: 12px; right: 12px; }
[data-theme="light"] .corner-tag, .theme-light .corner-tag { background: color-mix(in srgb, #fff 85%, transparent); }

/* ══════════════════════════════════════════════════════════════════════════
   Dialog
   ══════════════════════════════════════════════════════════════════════ */

.dialog-backdrop {
  position: fixed; inset: 0; display: grid; place-items: center; padding: var(--space-4);
  background: rgba(0, 0, 0, 0.72); backdrop-filter: blur(3px);
}
.dialog {
  width: min(460px, 100%); display: flex; flex-direction: column; gap: var(--space-4);
  padding: var(--space-6); background: var(--color-surface);
  border: 1px solid var(--color-divider-strong); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.dialog-title { font-family: var(--font-heading); font-weight: 600; font-size: 24px; letter-spacing: -0.02em; }
.dialog-body { font-size: 14px; line-height: 1.55; color: var(--color-text-2); }
.dialog-actions { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-2); }