/* qbit404 — Alchimica-inspired redesign.
 * Editorial magazine language: warm cream paper, near-black ink,
 * bright red + yellow accents, ultra-tight display type in Geist. */

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600;700;800;900&family=Geist+Mono:wght@400;500;600;700&display=swap');

/* ───────────── Palette bridge (base bundle uses --c-* tokens) ───────────── */

:root, :root[data-theme="light"] {
  --paper:      #f3f2ed;
  --paper-2:    #e8e6df;
  --ink:        #111214;
  --ink-soft:   #303133;
  --muted:      #6b6b68;
  --muted-2:    #9a9a95;
  --line:       #d5d3cc;
  --line-2:     #e4e2dc;
  --red:        #db2328;
  --red-soft:   #f9c9cb;
  --yellow:     #ffd31d;
  --yellow-soft:#fff2a8;
  --white:      #ffffff;
  color-scheme: light;

  /* Bridge to the compiled base bundle so its rules follow the theme */
  --c-canvas:    var(--paper);
  --c-surface:   var(--white);
  --c-surface-2: var(--paper-2);
  --c-surface-3: var(--line-2);
  --c-border:    var(--line);
  --c-border-hi: color-mix(in srgb, var(--line), var(--ink) 20%);
  --c-text:      var(--ink);
  --c-text-2:    var(--ink-soft);
  --c-text-3:    var(--muted);
  --c-accent:    var(--red);
  --c-accent-2:  var(--yellow);
  --c-ember:     var(--red);
  --c-ember-2:   var(--yellow);
}

:root[data-theme="dark"] {
  --paper:      #101113;
  --paper-2:    #1a1b1e;
  --ink:        #f3f2ed;
  --ink-soft:   #d0cec7;
  --muted:      #8b8b86;
  --muted-2:    #5c5c58;
  --line:       #2a2b2e;
  --line-2:     #1f2023;
  --red:        #ff4a4f;
  --red-soft:   rgba(255,74,79,.12);
  --yellow:     #ffd31d;
  --yellow-soft:rgba(255,211,29,.12);
  --white:      #ffffff;
  color-scheme: dark;

  --c-canvas:    var(--paper);
  --c-surface:   var(--paper-2);
  --c-surface-2: #22242a;
  --c-surface-3: #2c2f36;
  --c-border:    var(--line);
  --c-border-hi: #40434a;
  --c-text:      var(--ink);
  --c-text-2:    var(--ink-soft);
  --c-text-3:    var(--muted);
  --c-accent:    var(--red);
  --c-accent-2:  var(--yellow);
  --c-ember:     var(--red);
  --c-ember-2:   var(--yellow);
}

/* ───────────── Base ───────────── */

html { scroll-behavior: smooth; }
body {
  background: var(--paper) !important;
  color: var(--ink) !important;
  font-family: 'Geist', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif !important;
  font-feature-settings: "ss01","ss02","cv11","case";
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.font-mono, code, pre, kbd, samp {
  font-family: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace !important;
}

/* Kill legacy visual noise */
.reading-progress, .canvas-grid, .canvas-grad { display: none !important; }

/* ───────────── Typography — Alchimica scale, everything BOLD ───────────── */

h1, h2, h3, h4, h5, h6,
.font-display,
.text-5xl, .text-6xl, .text-4xl, .text-3xl, .text-2xl, .text-xl {
  font-family: 'Geist', ui-sans-serif, system-ui, sans-serif !important;
  font-weight: 800 !important;
  color: var(--ink);
}

h1, .text-5xl, .text-6xl {
  font-size: clamp(54px, 6.3vw, 98px) !important;
  letter-spacing: -0.07em !important;
  line-height: 0.91 !important;
  margin: 70px 0 35px;
  font-weight: 900 !important;
}
h2, .text-4xl {
  font-size: clamp(42px, 6vw, 90px) !important;
  letter-spacing: -0.055em !important;
  line-height: 0.97 !important;
  margin: 30px 0 28px;
  font-weight: 800 !important;
}
.text-3xl {
  font-size: clamp(28px, 3.4vw, 42px) !important;
  letter-spacing: -0.045em !important;
  line-height: 1.02 !important;
}
h3, .text-2xl { font-size: 28px !important; letter-spacing: -0.035em !important; line-height: 1.18 !important; font-weight: 800 !important; }
h4, .text-xl  { font-size: 20px !important; letter-spacing: -0.02em  !important; font-weight: 700 !important; }

.tracking-tightest { letter-spacing: -0.07em  !important; }
.tracking-tighter  { letter-spacing: -0.055em !important; }
.tracking-tight    { letter-spacing: -0.04em  !important; }
.tracking-widest   { letter-spacing: 0.04em   !important; }

p, li, label, .prose-q p, .prose-q li {
  color: var(--ink-soft) !important;
  line-height: 1.55;
}

/* ───────────── Utility palette overrides ───────────── */

.bg-canvas    { background: var(--paper)   !important; }
.bg-surface   { background: var(--white)   !important; }
.bg-surface2, .bg-surface-2 { background: var(--paper-2) !important; }
.bg-ember-400, .bg-ember-500 { background: var(--red)    !important; }
.bg-success   { background: #7ba470 !important; }
.bg-danger    { background: var(--red) !important; }

.text-text    { color: var(--ink)      !important; }
.text-text2   { color: var(--ink-soft) !important; }
.text-text3,
.text-bone\/60, .text-bone\/70 { color: var(--muted) !important; }
.text-bone\/85 { color: var(--ink-soft) !important; }
.text-ember-300, .text-ember-400, .text-ember-500 { color: var(--red) !important; }
.text-success { color: #7ba470 !important; }
.text-danger  { color: var(--red)   !important; }
.text-canvas  { color: var(--paper) !important; }

.border-border, .border-borderHi { border-color: var(--line) !important; }
.border-ember-400 { border-color: var(--red) !important; }

/* ───────────── Components ───────────── */

.kicker, .field-label, .eyebrow, .label {
  font: 750 11px/1.3 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace !important;
  color: var(--muted) !important;
  text-transform: uppercase !important;
  letter-spacing: 0.06em !important;
  display: block;
  margin-bottom: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 800 10px/1 'Geist Mono', ui-monospace, monospace !important;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  background: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink);
}
:root[data-theme="dark"] .chip { background: var(--paper-2); border-color: var(--line); color: var(--ink); }
.chip-success { color: #4a7a3a; border-color: #b8d3a9; background: #eff4e8; }
.chip-danger  { color: var(--red); border-color: color-mix(in srgb, var(--red), transparent 65%); background: color-mix(in srgb, var(--red), transparent 90%); }
.chip-ember,
.chip-yellow  { color: var(--ink); border-color: var(--yellow); background: var(--yellow); }
.chip-red     { color: var(--white); border-color: var(--red); background: var(--red); }

.surface {
  background: var(--white) !important;
  border: 1px solid var(--line) !important;
  border-radius: 18px !important;
  box-shadow: none !important;
  color: var(--ink);
}
:root[data-theme="dark"] .surface { background: var(--paper-2) !important; border-color: var(--line) !important; }
.surface-2 { background: var(--paper-2) !important; border-color: var(--line) !important; }
.surface-lift:hover { transform: translateY(-2px); transition: transform .18s ease; }

/* ───────────── Buttons — Alchimica yellow-underline ───────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 0 !important;                 /* Alchimica uses square edges on emphasis buttons */
  font: 800 12px/1 'Geist Mono', ui-monospace, monospace !important;
  padding: 16px 22px !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  text-decoration: none;
  position: relative;
  transition: transform .2s ease, color .2s ease, background .2s ease;
  color: var(--ink);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary,
.btn.join, .btn-yellow {
  background: var(--yellow) !important;
  color: var(--ink) !important;
  border: 0 !important;
}
.btn-primary:hover { background: #ffcb00 !important; }
.btn-secondary {
  background: transparent !important;
  color: var(--ink) !important;
  border: 1px solid var(--ink) !important;
}
.btn-secondary:hover { background: var(--ink) !important; color: var(--paper) !important; }
.btn-ghost {
  background: transparent !important;
  color: var(--ink) !important;
  border: 0 !important;
  padding: 12px 4px !important;
}
.btn-ghost::after {
  content: "";
  position: absolute;
  left: 4px; right: 4px; bottom: 6px;
  height: 3px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .22s ease;
}
.btn-ghost:hover::after { transform: scaleX(1); }
.btn-sm { padding: 10px 14px !important; font-size: 10px !important; }

/* Red-CTA variant for accent moments */
.btn-red { background: var(--red) !important; color: var(--white) !important; border: 0 !important; }

/* ───────────── Inputs ───────────── */

.input, .textarea,
input[type=email], input[type=text], input[type=password], textarea, select {
  background: var(--white) !important;
  color: var(--ink) !important;
  border: 1px solid var(--line) !important;
  border-radius: 0 !important;                   /* editorial square */
  padding: 16px 18px !important;
  font-family: 'Geist Mono', ui-monospace, monospace !important;
  font-size: 15px !important;
  width: 100%;
  outline: none;
  box-shadow: none !important;
  transition: border-color .18s, box-shadow .18s;
}
.input:focus, .textarea:focus,
input:focus, textarea:focus, select:focus {
  border-color: var(--ink) !important;
  border-bottom: 3px solid var(--yellow) !important;
  padding-bottom: 14px !important;
  background: var(--white) !important;
  color: var(--ink) !important;
  box-shadow: none !important;
}
:root[data-theme="dark"] .input,
:root[data-theme="dark"] .textarea,
:root[data-theme="dark"] input[type=email],
:root[data-theme="dark"] input[type=text],
:root[data-theme="dark"] input[type=password],
:root[data-theme="dark"] textarea,
:root[data-theme="dark"] select {
  background: var(--paper-2) !important;
  color: var(--ink) !important;
}
.input-mono, .input.input-mono { font-family: 'Geist Mono', ui-monospace, monospace !important; }
.textarea { min-height: 140px; resize: vertical; line-height: 1.5; }
::placeholder { color: var(--muted) !important; opacity: .6 !important; }

/* ───────────── Header + ticker (Alchimica flat nav) ───────────── */

.topbar {
  padding: 22px 32px !important;
  border-bottom: 1px solid var(--line) !important;
  background: var(--paper) !important;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  position: sticky !important;
  top: 0;
  z-index: 40;
}
.topbar .max-w-6xl { max-width: 1400px; margin: 0 auto; }
.topbar .qb-brand {
  font: 900 22px/1 'Geist', ui-sans-serif, sans-serif !important;
  letter-spacing: -0.05em;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.topbar .qb-brand::before {
  content: "";
  display: inline-block;
  width: 12px; height: 12px;
  background: var(--red);
  border-radius: 50%;
}
.topbar nav a,
.topbar nav a * {
  font: 750 12px/1 'Geist Mono', ui-monospace, monospace !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink) !important;
  text-decoration: none;
  position: relative;
  padding: 8px 4px;
}
.topbar nav a::after {
  content: "";
  position: absolute;
  left: 4px; right: 4px; bottom: 0;
  height: 3px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .22s ease;
}
.topbar nav a:hover::after,
.topbar nav a.text-text::after { transform: scaleX(1); }

.theme-toggle {
  width: 36px; height: 36px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background .2s, color .2s;
}
.theme-toggle:hover { background: var(--yellow); color: var(--ink); border-color: var(--yellow); }
:root[data-theme="dark"] .theme-toggle .sun,
:root:not([data-theme="dark"]) .theme-toggle .moon { display: none; }

/* Ticker */
.ticker {
  background: transparent !important;
  border-top: 0 !important;
  border-bottom: 1px solid var(--line) !important;
  padding: 10px 0;
  overflow: hidden;
  white-space: nowrap;
  font: 700 11px/1.4 'Geist Mono', ui-monospace, monospace !important;
  color: var(--muted) !important;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.ticker__track { display: inline-flex; gap: 40px; color: var(--muted) !important; }
.ticker__item, .ticker span, .ticker a { color: var(--muted) !important; text-decoration: none; }
.ticker__item:hover, .ticker a:hover { color: var(--ink) !important; }
.ticker__item:before { background: var(--red) !important; }

/* ───────────── Hero (Alchimica) ───────────── */

.qb-hero {
  padding: 90px 0 40px;
  display: grid;
  grid-template-columns: 1.6fr .9fr;
  gap: 60px;
  align-items: start;
  border-bottom: 1px solid var(--line);
}
.qb-hero h1 { margin: 0; color: var(--ink); }
.qb-hero p  { font-size: 20px; color: var(--muted); max-width: 640px; margin: 24px 0 32px; }
.qb-hero .eyebrow { color: var(--muted); }
.qb-hero-visual {
  aspect-ratio: 1/1;
  background: var(--yellow);
  border-radius: 0;
  position: relative;
  overflow: hidden;
  min-height: 380px;
}

/* Static hero art — a geometric lattice replacing any video/animated element */
.qb-hero-visual::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, var(--red) 3px, transparent 4px),
    radial-gradient(circle at 80% 20%, var(--ink) 3px, transparent 4px),
    radial-gradient(circle at 30% 70%, var(--ink) 3px, transparent 4px),
    radial-gradient(circle at 70% 75%, var(--red) 3px, transparent 4px),
    radial-gradient(circle at 50% 50%, var(--ink) 5px, transparent 6px),
    linear-gradient(45deg, transparent 49%, var(--ink) 49.5%, var(--ink) 50.5%, transparent 51%),
    linear-gradient(-45deg, transparent 49%, var(--ink) 49.5%, var(--ink) 50.5%, transparent 51%);
  background-size: auto, auto, auto, auto, auto, 80% 80%, 80% 80%;
  background-position: 0 0, 0 0, 0 0, 0 0, 0 0, 50% 50%, 50% 50%;
  background-repeat: no-repeat;
  opacity: .9;
}
.qb-hero-visual::after {
  content: "// qbit lattice";
  position: absolute; bottom: 16px; left: 20px;
  font: 750 10px/1 'Geist Mono', monospace;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Small stat cards under hero (Q-day + Live feed) */
.qb-hero-side { display: grid; gap: 16px; grid-template-columns: 1fr; }
.qb-hero-side .qday, .qb-hero-side .live {
  border: 1px solid var(--line);
  padding: 20px;
  background: var(--white);
}
:root[data-theme="dark"] .qb-hero-side .qday,
:root[data-theme="dark"] .qb-hero-side .live { background: var(--paper-2); }
.qb-hero-side .qday { background: var(--yellow); border-color: transparent; }
.qb-hero-side .qday strong {
  display: block;
  font: 900 40px/1 'Geist' !important;
  letter-spacing: -0.06em;
  margin: 10px 0 4px;
  color: var(--ink);
}
.qb-hero-side .live ul { list-style: none; padding: 0; margin: 12px 0 0; }
.qb-hero-side .live li { font-size: 12px; padding: 8px 0; border-top: 1px solid var(--line); color: var(--ink-soft); }
.qb-hero-side .live li:first-child { border-top: 0; }

/* ───────────── Entry doors (4 big tiles à la Alchimica) ───────────── */

.entry-doors {
  padding: 60px 0;
  border-bottom: 1px solid var(--line);
}
.entry-doors h2 { font-size: clamp(32px, 4vw, 52px) !important; margin-bottom: 40px; }
.entry-doors .doors { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.entry-doors .door {
  background: var(--paper);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  min-height: 240px;
  text-decoration: none;
  color: var(--ink);
  transition: background .22s ease;
  position: relative;
}
.entry-doors .door:hover { background: var(--white); }
:root[data-theme="dark"] .entry-doors .door:hover { background: var(--paper-2); }
.entry-doors .door .no { font: 750 11px/1 'Geist Mono', monospace; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.entry-doors .door h3 { font-size: 26px !important; letter-spacing: -0.045em; margin: auto 0 0; color: var(--ink); font-weight: 800 !important; }
.entry-doors .door .arrow { position: absolute; top: 28px; right: 28px; color: var(--muted); }
.entry-doors .door:hover .arrow { color: var(--red); }
.entry-doors .door p { color: var(--muted); font-size: 13px; margin-top: 8px; }

/* ───────────── Feature blocks (system / project) ───────────── */

.qb-feature {
  padding: 80px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.qb-feature h2 { margin: 0 0 20px; color: var(--ink); }
.qb-feature p  { color: var(--muted); font-size: 17px; max-width: 500px; }
.qb-feature .visual {
  aspect-ratio: 4/3;
  background: var(--red);
  color: var(--paper);
  padding: 32px;
  display: flex;
  align-items: flex-end;
  font: 750 12px/1.4 'Geist Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.qb-feature.reverse .visual { background: var(--ink); color: var(--yellow); }

/* Dark section (Alchimica invert for the resources strip) */
.dark-section {
  background: var(--ink);
  color: var(--paper);
  padding: 90px 0;
  margin: 0 -40vw;   /* pushed to viewport edges via negative margin trick */
  padding-left: calc((100vw - 1400px)/2 + 40px);
  padding-right: calc((100vw - 1400px)/2 + 40px);
}
@media (max-width: 1400px) { .dark-section { margin: 0 -32px; padding-left: 32px; padding-right: 32px; } }
.dark-section h2 { color: var(--paper); }
.dark-section p, .dark-section li { color: color-mix(in srgb, var(--paper), transparent 30%) !important; }
.dark-section .kicker { color: var(--yellow) !important; }
.dark-section .btn-primary { background: var(--yellow) !important; color: var(--ink) !important; }
.dark-section .surface { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.12); color: var(--paper); }
.dark-section .surface .kicker { color: var(--yellow) !important; }

/* ───────────── Tiles / tools grid (kept compatible with existing home) ───────────── */

.panel {
  margin: 40px 0 80px;
  background: transparent;
  border: 0;
  padding: 0;
  box-shadow: none;
}
.panel-head { display: flex; justify-content: space-between; gap: 40px; align-items: end; margin-bottom: 32px; padding: 0; }
.panel-head h2, .section-head h2 { margin: 0; color: var(--ink); }
.panel-head p, .section-head p { margin: 0; color: var(--muted); font-size: 15px; max-width: 480px; text-align: right; }

.tiles {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-flow: dense;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.tile {
  background: var(--paper);
  border: 0;
  border-radius: 0;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  min-height: 260px;
  color: var(--ink);
  text-decoration: none;
  transition: background .22s ease;
}
.tile:hover { background: var(--white); }
:root[data-theme="dark"] .tile:hover { background: var(--paper-2); }
.tile-top    { display: flex; justify-content: space-between; align-items: flex-start; }
.tile small  { font: 750 10px/1 'Geist Mono', monospace; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.tile .arrow { color: var(--muted); }
.tile:hover .arrow { color: var(--red); }
.tile-copy   { margin-top: 42px; }
.tile h3     { font-size: 26px !important; line-height: 1.05; letter-spacing: -0.045em; margin: 0; color: var(--ink); font-weight: 800 !important; }
.tile p      { margin: 10px 0 0; font-size: 14px; color: var(--muted); max-width: 38ch; }
.tile code   { display: block; margin-top: 20px; font: 500 11px/1.5 'Geist Mono', monospace; color: var(--muted); overflow-wrap: anywhere; }
.tile .meta  { margin-top: auto; padding-top: 24px; display: flex; gap: 6px; flex-wrap: wrap; }
.tile .pill  { font: 750 9px/1 'Geist Mono', monospace; border: 1px solid var(--line); border-radius: 999px; padding: 6px 10px; background: var(--paper-2); text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink); }

/* Alchimica accent tiles (used sparingly) */
.tile.accent-red     { background: var(--red);    color: var(--paper); }
.tile.accent-red h3, .tile.accent-red small, .tile.accent-red .arrow { color: var(--paper); }
.tile.accent-yellow  { background: var(--yellow); color: var(--ink); }
.tile.accent-ink     { background: var(--ink);    color: var(--paper); }
.tile.accent-ink h3, .tile.accent-ink small, .tile.accent-ink .arrow { color: var(--paper); }

.span3 { grid-column: span 3; } .span4 { grid-column: span 4; }
.span5 { grid-column: span 5; } .span6 { grid-column: span 6; }
.span7 { grid-column: span 7; } .span8 { grid-column: span 8; }
.span12{ grid-column: span 12; }

.section     { margin: 0 0 80px; }
.section-head { display: flex; justify-content: space-between; gap: 40px; align-items: end; margin-bottom: 32px; }

/* Metrics — Alchimica calls these "resources" */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.metric  { background: var(--paper); padding: 28px; color: var(--ink); }
.metric b { display: block; font-size: 48px; letter-spacing: -0.055em; margin: 12px 0 6px; font-weight: 900; }
.metric span { color: var(--muted); font-size: 13px; }

/* Studies (news list on home) — flat editorial */
.feature { display: grid; grid-template-columns: 1.2fr .8fr; gap: 24px; }
.study-feature {
  background: var(--ink);
  color: var(--paper);
  padding: 40px;
  display: flex;
  flex-direction: column;
  min-height: 460px;
  text-decoration: none;
}
.study-feature .label { color: var(--yellow); }
.study-feature h3 { font-size: clamp(36px, 4vw, 56px) !important; margin: 60px 0 20px; max-width: 12ch; color: var(--paper); }
.study-feature p  { color: color-mix(in srgb, var(--paper), transparent 30%); }
.study-feature .by { margin-top: auto; font: 750 10px/1.5 'Geist Mono', monospace; color: color-mix(in srgb, var(--paper), transparent 20%); text-transform: uppercase; letter-spacing: 0.08em; }
.side-studies { display: grid; gap: 24px; }
.study {
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--white);
  min-height: 210px;
  color: var(--ink);
  text-decoration: none;
  display: flex; flex-direction: column;
}
:root[data-theme="dark"] .study { background: var(--paper-2); }
.study h3 { font-size: 22px !important; margin: 24px 0 10px; color: var(--ink); font-weight: 800 !important; }
.study p  { color: var(--muted); font-size: 14px; margin: 0; }
.study .bottom { margin-top: auto; padding-top: 20px; display: flex; justify-content: space-between; font: 750 10px/1 'Geist Mono', monospace; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }

/* Privacy strip */
.privacy { display: grid; grid-template-columns: 1fr 2fr; gap: 24px; }
.privacy-intro { background: var(--yellow); padding: 32px; color: var(--ink); }
.privacy-intro h3 { font-size: 32px !important; margin: 30px 0 12px; color: var(--ink); font-weight: 900 !important; }
.privacy-intro p { color: var(--ink-soft); margin: 0; }
.privacy-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.privacy-card { background: var(--white); padding: 28px; color: var(--ink); }
:root[data-theme="dark"] .privacy-card { background: var(--paper-2); }
.privacy-card b { display: block; font-size: 20px; margin: 32px 0 10px; letter-spacing: -0.02em; font-weight: 800; }
.privacy-card p { margin: 0; color: var(--muted); font-size: 14px; }

/* Join box */
.joinbox {
  margin-bottom: 60px;
  background: var(--ink);
  color: var(--paper);
  padding: 60px 48px;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 60px;
  align-items: end;
}
.joinbox h2 { color: var(--paper); margin: 0 0 16px; }
.joinbox p  { color: color-mix(in srgb, var(--paper), transparent 25%); margin: 0 0 24px; max-width: 640px; }
.joinbox aside { border-left: 3px solid var(--yellow); padding: 4px 0 4px 20px; color: color-mix(in srgb, var(--paper), transparent 25%); font-size: 13px; }
.joinbox aside b { color: var(--paper); font-size: 22px; display: block; margin: 6px 0; }
.joinbox .btn { background: var(--yellow) !important; color: var(--ink) !important; border: 0 !important; }

/* Footer */
.qb-footer {
  padding: 40px 0;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font: 750 11px/1.5 'Geist Mono', ui-monospace, monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.qb-footer a { color: inherit; text-decoration: none; border-bottom: 3px solid transparent; padding-bottom: 2px; }
.qb-footer a:hover { border-bottom-color: var(--yellow); color: var(--ink); }

/* ───────────── Prose (articles) inherits the palette naturally ───────────── */

.prose-q h1, .prose-q h2, .prose-q h3 { color: var(--ink) !important; }
.prose-q p, .prose-q li { color: var(--ink-soft) !important; }
.prose-q a { color: var(--red) !important; text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 2px; }
.prose-q code { background: var(--paper-2); border: 1px solid var(--line); border-radius: 0; padding: 2px 6px; font-size: 12.5px; color: var(--ink); font-family: 'Geist Mono', monospace; }
.prose-q pre  { background: var(--paper-2); border: 1px solid var(--line); border-radius: 0; padding: 20px; overflow-x: auto; font-family: 'Geist Mono', monospace; }
.prose-q blockquote { border-left: 3px solid var(--yellow); padding: 4px 16px; color: var(--muted); background: transparent; }

/* Reveal kept subtle */
.reveal { opacity: 0; transform: translateY(6px); animation: qb-reveal .5s ease .05s forwards; }
@keyframes qb-reveal { to { opacity: 1; transform: none; } }

/* ───────────── Responsive ───────────── */

@media (max-width: 1000px) {
  .qb-hero { grid-template-columns: 1fr; gap: 40px; padding: 60px 0 30px; }
  .qb-hero-visual { min-height: 320px; }
  .entry-doors .doors { grid-template-columns: 1fr 1fr; }
  .qb-feature { grid-template-columns: 1fr; gap: 30px; padding: 60px 0; }
  .feature, .privacy, .joinbox { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .span3, .span4, .span5, .span6, .span7 { grid-column: span 6; }
  .panel-head, .section-head { flex-direction: column; align-items: flex-start; }
  .panel-head p, .section-head p { text-align: left; }
}
@media (max-width: 600px) {
  .topbar { padding: 16px 20px !important; }
  .entry-doors .doors { grid-template-columns: 1fr; }
  .span3, .span4, .span5, .span6, .span7 { grid-column: span 12; }
  .metrics, .privacy-grid { grid-template-columns: 1fr; }
  .joinbox { padding: 40px 24px; }
  .qb-footer { flex-direction: column; }
}