/* ═══════════════════════════════════════════════════════════════
   DOSSIER OS — design system
   Tri-mode: Dossier (default) · Terminal · Recruiter
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;700&family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
  /* DOSSIER (default) — deep ink + parchment + classified red */
  --bg:            oklch(0.16 0.012 250);
  --bg-elev:       oklch(0.20 0.014 250);
  --bg-deep:       oklch(0.11 0.010 250);
  --paper:         oklch(0.94 0.012 80);
  --ink:           oklch(0.96 0.008 80);
  --ink-dim:       oklch(0.74 0.012 80);
  --ink-mute:      oklch(0.52 0.010 250);
  --rule:          oklch(0.96 0.008 80 / 0.14);
  --rule-strong:   oklch(0.96 0.008 80 / 0.28);
  --accent:        oklch(0.66 0.20 25);   /* classified red */
  --accent-soft:   oklch(0.66 0.20 25 / 0.16);
  --amber:         oklch(0.78 0.16 80);   /* stamp / amber alert */
  --amber-soft:    oklch(0.78 0.16 80 / 0.18);
  --signal:        oklch(0.78 0.18 145);  /* signal / status green */
  --signal-soft:   oklch(0.78 0.18 145 / 0.18);

  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-sans: 'Inter', system-ui, sans-serif;

  --radius-sm: 2px;
  --radius:    4px;
  --radius-lg: 6px;

  /* density: roomy default */
  --pad-x: 28px;
  --pad-y: 22px;
  --gutter: 24px;
}

/* ── Terminal mode ─────────────────────────────────────── */
body[data-mode="terminal"] {
  --bg:          #050a05;
  --bg-elev:     #0a120a;
  --bg-deep:     #020602;
  --ink:         #6affa0;
  --ink-dim:     #2eb04e;
  --ink-mute:    #1a6230;
  --rule:        rgba(106, 255, 160, 0.14);
  --rule-strong: rgba(106, 255, 160, 0.32);
  --accent:      #6affa0;
  --accent-soft: rgba(106, 255, 160, 0.18);
  --amber:       #ffe066;
  --amber-soft:  rgba(255, 224, 102, 0.16);
  --signal:      #6affa0;
  --paper:       #c2ffd6;
}

/* ── Recruiter mode ───────────────────────────────────── */
body[data-mode="recruiter"] {
  --bg:          oklch(0.985 0.004 80);
  --bg-elev:     #ffffff;
  --bg-deep:     oklch(0.96 0.006 80);
  --ink:         oklch(0.20 0.012 250);
  --ink-dim:     oklch(0.42 0.012 250);
  --ink-mute:    oklch(0.62 0.010 250);
  --rule:        oklch(0.20 0.012 250 / 0.10);
  --rule-strong: oklch(0.20 0.012 250 / 0.20);
  --accent:      oklch(0.55 0.18 255);
  --accent-soft: oklch(0.55 0.18 255 / 0.10);
  --amber:       oklch(0.65 0.16 60);
  --amber-soft:  oklch(0.65 0.16 60 / 0.12);
  --paper:       oklch(0.20 0.012 250);
}

/* density */
body[data-density="compact"] { --pad-x: 18px; --pad-y: 14px; --gutter: 16px; }
body[data-density="roomy"]   { --pad-x: 28px; --pad-y: 22px; --gutter: 24px; }
body[data-density="airy"]    { --pad-x: 40px; --pad-y: 32px; --gutter: 36px; }

/* ── Reset ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: var(--bg); }

/* Background motifs */
body[data-bg="grid"]::before {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 110% 80% at 50% 30%, #000 50%, transparent 100%);
}
body[data-bg="grain"]::before {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: radial-gradient(circle at 1px 1px, var(--rule-strong) 1px, transparent 0);
  background-size: 4px 4px;
  opacity: 0.25;
}
body[data-bg="scan"]::before {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: repeating-linear-gradient(
    180deg,
    transparent 0,
    transparent 2px,
    rgba(0,0,0,0.18) 3px,
    transparent 4px
  );
  opacity: 0.6;
}
body[data-bg="none"]::before { display: none; }

/* Scanline overlay (terminal mode adds CRT feel) */
body[data-mode="terminal"]::after {
  content: "";
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  background:
    repeating-linear-gradient(0deg, rgba(0,0,0,0.18) 0 1px, transparent 1px 3px),
    radial-gradient(ellipse at center, transparent 60%, rgba(0,0,0,0.55) 100%);
  mix-blend-mode: multiply;
}

/* ── Type ────────────────────────────────────────────── */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  font-weight: 500;
}
.display {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 0.95;
}
.mono { font-family: var(--font-mono); }
.serif-num { font-variant-numeric: tabular-nums; }

h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; letter-spacing: -0.02em; font-weight: 500; }
p { margin: 0; }

a { color: inherit; text-decoration: none; }

/* ── Layout primitives ───────────────────────────────── */
.shell {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
}
@media (max-width: 640px) {
  .shell { padding: 0 18px; }
}

/* Hairline rules */
.hr { height: 1px; background: var(--rule); border: 0; margin: 0; }
.hr-strong { height: 1px; background: var(--rule-strong); border: 0; }

/* ── Window / Panel ──────────────────────────────────── */
.panel {
  background: var(--bg-elev);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  position: relative;
}
.panel-h {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  background: linear-gradient(180deg, color-mix(in oklch, var(--bg-elev), white 4%), var(--bg-elev));
}
body[data-mode="recruiter"] .panel-h {
  background: linear-gradient(180deg, oklch(0.97 0.005 80), oklch(0.96 0.005 80));
}
.panel-h .dots { display: inline-flex; gap: 6px; }
.panel-h .dots span {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--rule-strong);
}
.panel-h .dots span:first-child { background: var(--accent); }
.panel-h .dots span:nth-child(2) { background: var(--amber); }
.panel-h .dots span:nth-child(3) { background: var(--signal); }
.panel-b { padding: var(--pad-y) var(--pad-x); }

/* Crosshair corners */
.crosshair {
  position: relative;
}
.crosshair::before, .crosshair::after,
.crosshair > .x-tl, .crosshair > .x-tr,
.crosshair > .x-bl, .crosshair > .x-br { display: none; }

.cornered { position: relative; }
.cornered::before, .cornered::after {
  content: ""; position: absolute;
  width: 14px; height: 14px;
  border-color: var(--accent); border-style: solid; border-width: 0;
  pointer-events: none;
}
.cornered::before {
  top: -1px; left: -1px;
  border-top-width: 1px; border-left-width: 1px;
}
.cornered::after {
  bottom: -1px; right: -1px;
  border-bottom-width: 1px; border-right-width: 1px;
}
.cornered > .c-tr, .cornered > .c-bl {
  position: absolute; width: 14px; height: 14px; pointer-events: none;
  border-color: var(--accent); border-style: solid; border-width: 0;
}
.cornered > .c-tr { top: -1px; right: -1px; border-top-width: 1px; border-right-width: 1px; }
.cornered > .c-bl { bottom: -1px; left: -1px; border-bottom-width: 1px; border-left-width: 1px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 11px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  background: transparent;
  border: 1px solid var(--rule-strong);
  color: var(--ink);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 180ms ease;
  position: relative;
  overflow: hidden;
}
.btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}
.btn-primary:hover {
  background: transparent;
  color: var(--accent);
}

/* Tag / chip */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 5px 9px;
  border: 1px solid var(--rule-strong);
  color: var(--ink-dim);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.chip-accent { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.chip-amber  { color: var(--amber);  border-color: var(--amber);  background: var(--amber-soft); }
.chip-signal { color: var(--signal); border-color: var(--signal); background: var(--signal-soft); }

/* Stamp */
.stamp {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 6px 10px;
  border: 2px solid currentColor;
  color: var(--accent);
  transform: rotate(-4deg);
  border-radius: 2px;
  opacity: 0.92;
}
.stamp-amber { color: var(--amber); }
.stamp-signal { color: var(--signal); }

/* Live dot */
.dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--signal);
  position: relative;
}
.dot::after {
  content: ""; position: absolute; inset: -4px; border-radius: 50%;
  border: 1px solid var(--signal);
  animation: pulse 1.6s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(0.6); opacity: 1; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* Blinking caret */
.caret { display: inline-block; width: 0.6em; background: currentColor; height: 1em; vertical-align: -0.15em; animation: blink 1s steps(1,end) infinite; margin-left: 4px; }
@keyframes blink { 50% { opacity: 0; } }

/* Redaction bar */
.redact {
  background: var(--ink);
  color: transparent;
  padding: 0 6px;
  border-radius: 1px;
  user-select: none;
  position: relative;
}
.redact:hover { background: transparent; color: var(--ink); }

/* Tabular data */
.kv {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
}
.kv dt { color: var(--ink-mute); letter-spacing: 0.1em; text-transform: uppercase; font-size: 10px; padding-top: 3px; }
.kv dd { margin: 0; color: var(--ink); }

/* Section eyebrow + title pattern */
.section-head {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  align-items: end;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 36px;
}
@media (max-width: 800px) {
  .section-head { grid-template-columns: 1fr; gap: 12px; }
}
.section-head .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  display: flex; align-items: center; gap: 10px;
}
.section-head .num::before {
  content: ""; width: 28px; height: 1px; background: var(--accent);
}
.section-head h2 {
  font-size: clamp(36px, 5vw, 64px);
  line-height: 0.95;
  letter-spacing: -0.025em;
}
.section-head h2 .accent { color: var(--accent); }

/* Reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(.2,.8,.2,1);
}
.reveal.in { opacity: 1; transform: none; }

/* Marquee */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
  background: var(--bg-deep);
  padding: 14px 0;
  position: relative;
  z-index: 2;
}
.marquee-track {
  display: inline-flex;
  gap: 48px;
  white-space: nowrap;
  animation: scroll 40s linear infinite;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.marquee-track .sep { color: var(--accent); }
@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Type-on effect */
@keyframes typeon {
  from { width: 0; }
  to { width: 100%; }
}

/* Scanning bar (loader vibe) */
.scanbar {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  background-size: 50% 100%;
  background-repeat: no-repeat;
  animation: scanmove 2.4s ease-in-out infinite;
}
@keyframes scanmove {
  0%   { background-position: -50% 0; }
  100% { background-position: 150% 0; }
}

/* Custom cursor target */
body[data-cursor="on"] { cursor: none; }
body[data-cursor="on"] a, body[data-cursor="on"] button, body[data-cursor="on"] [role="button"] { cursor: none; }

/* Hide cursor visual on touch */
@media (pointer: coarse) {
  body[data-cursor="on"] { cursor: auto; }
  #cursor-ring, #cursor-dot { display: none !important; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  .dot::after { animation: none; }
}