/* ============================================================
   AI Workshop — THE 9x ACADEMIC reskin
   Coded Thinking design system · 9x-academic dark sub-brand
   Deep navy ground (#1D1D40, never darker), lavender-grey text,
   brand red, electric-cyan accents, DM Mono "code" voice,
   staircase squares motif, diagonal-cut corners.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Mono:ital,wght@0,400;0,500;1,400&display=swap');

/* ---- Brockmann (self-hosted) ---- */
@font-face { font-family:'Brockmann'; font-weight:400; font-style:normal;
  src:url('../fonts/brockmann-regular-webfont.woff2') format('woff2'); font-display:swap; }
@font-face { font-family:'Brockmann'; font-weight:400; font-style:italic;
  src:url('../fonts/brockmann-regularitalic-webfont.woff2') format('woff2'); font-display:swap; }
@font-face { font-family:'Brockmann'; font-weight:500; font-style:normal;
  src:url('../fonts/brockmann-medium-webfont.woff2') format('woff2'); font-display:swap; }
@font-face { font-family:'Brockmann'; font-weight:500; font-style:italic;
  src:url('../fonts/brockmann-mediumitalic-webfont.woff2') format('woff2'); font-display:swap; }
@font-face { font-family:'Brockmann'; font-weight:600; font-style:normal;
  src:url('../fonts/brockmann-semibold-webfont.woff2') format('woff2'); font-display:swap; }
@font-face { font-family:'Brockmann'; font-weight:600; font-style:italic;
  src:url('../fonts/brockmann-semibolditalic-webfont.woff2') format('woff2'); font-display:swap; }
@font-face { font-family:'Brockmann'; font-weight:700; font-style:normal;
  src:url('../fonts/brockmann-bold-webfont.woff2') format('woff2'); font-display:swap; }
@font-face { font-family:'Brockmann'; font-weight:700; font-style:italic;
  src:url('../fonts/brockmann-bolditalic-webfont.woff2') format('woff2'); font-display:swap; }

/* ---- Big Caslon (serif accent) ---- */
@font-face { font-family:'Big Caslon'; font-weight:400; font-style:normal;
  src:url('../fonts/bigcaslon-regular.woff2') format('woff2'); font-display:swap; }

/* ---- Design tokens ---- */
:root {
  /* Parent Coded Thinking tokens (kept for inline references) */
  --ct-red:        #E61E25;
  --ct-red-press:  #C41A20;
  --ct-ink:        #232324;
  --ct-navy:       #1D1D40;
  --ct-grey-1:     #5D5A88;
  --ct-grey-2:     #9795B5;
  --ct-grey-3:     #D4D2E3;
  --ct-surface:    #F9F9FF;
  --ct-surface-2:  #F2F1FA;
  --ct-white:      #FFFFFF;

  --ct-font-sans:    'Brockmann', 'Helvetica Neue', Arial, sans-serif;
  --ct-font-display: 'Brockmann', 'Helvetica Neue', Arial, sans-serif;
  --ct-font-serif:   'Big Caslon', Georgia, serif;
  --ct-font-mono:    'DM Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* ---- the9x dark sub-brand layer ----
     RULE: #1D1D40 is the DARKEST surface. Never darker, never black.
     Layer UP from navy with lighter tints. */
  --x9-bg:          #1D1D40;   /* page ground — the floor */
  --x9-bg-raise:    #24244D;   /* raised band / section */
  --x9-bg-raise-2:  #2C2C5A;   /* card / highest surface */
  --x9-panel:       rgba(45, 45, 80, 0.30);
  --x9-input:       #5D5A88;
  --x9-text:        #D4D2E3;   /* primary text — light lavender */
  --x9-text-2:      #9795B5;   /* secondary / muted */
  --x9-text-muted:  #C4C2D3;
  --x9-accent:      #E61E25;   /* brand red */
  --x9-accent-hover:#C41E23;
  --x9-focus:       rgba(230, 30, 37, 0.20);

  --x9-mark-lg:     #9795B5;   /* staircase squares — slate-lavender */
  --x9-mark-red:    #E61E25;   /* red accent square */

  --x9-cyan:        #35E0D8;   /* electric teal — links, AI cues */
  --x9-cyan-dim:    #1FA9A3;
  --x9-border:      rgba(151,149,181,0.18);
  --x9-border-2:    rgba(151,149,181,0.32);
  --x9-glow-red:    0 0 0 1px rgba(230,30,37,0.5), 0 8px 30px rgba(230,30,37,0.30);
  --x9-glow-cyan:   0 0 24px rgba(53,224,216,0.35);
  --x9-code:        #15152F;   /* code/terminal plate (deep navy, never black) */

  /* diagonal "cut" radii — 3 corners round, 1 sharp (tetris / squares feel) */
  --cut-card:  10px 10px 10px 2px;
  --cut-card2: 2px 10px 10px 10px;
  --cut-btn:   9px 2px 9px 9px;
  --cut-chip:  6px 6px 2px 6px;
  --cut-code:  12px 2px 12px 12px;
  --cut-icon:  9px 9px 2px 9px;

  --ct-radius-pill:  40px;
  --ct-radius-card:  10px;
  --ct-shadow-2: 0 18px 50px rgba(0,0,0,0.35);
  --ct-ease:     cubic-bezier(0.4, 0.0, 0.2, 1);
  --ct-dur:      180ms;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--ct-font-sans);
  font-size: 18px;
  line-height: 1.6;
  color: var(--x9-text);
  background: var(--x9-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--x9-cyan); text-decoration: none; transition: color var(--ct-dur) var(--ct-ease); }
a:hover { color: #66ECE5; }

strong { color: var(--x9-text-muted); }

code { font-family: var(--ct-font-mono); }

img, svg { display: block; max-width: 100%; }

/* ---- Mono kicker / eyebrow ---- */
.kicker {
  font-family: var(--ct-font-mono);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--x9-text-2);
  margin-bottom: 20px;
}
.kicker .p { color: var(--x9-cyan); }
.kicker .x { color: var(--x9-accent); }

/* ---- Layout ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px;
}

/* ---- Header ---- */
.site-header {
  padding: 22px 0;
  border-bottom: 1px solid var(--x9-border);
  background: var(--x9-bg);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header .logo-link {
  display: inline-flex;
  align-items: center;
}
.site-header .logo-link svg {
  height: 42px;
  width: auto;
}
/* recolor the koren.dev wordmark (ink) so it reads on navy;
   squares mark (lavender + red) already work on dark */
.site-header .logo-link svg path[fill="#232324"],
.site-footer .logo-link svg path[fill="#232324"] { fill: var(--x9-text); }

.site-header nav {
  display: flex;
  align-items: center;
  gap: 30px;
}
.site-header nav a {
  font-family: var(--ct-font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--x9-text);
  transition: color var(--ct-dur) var(--ct-ease);
}
.site-header nav a:hover { color: var(--x9-cyan); }
.site-header nav a.active { color: var(--x9-accent); }

/* ---- Hero ---- */
.hero {
  position: relative;
  padding: 96px 0 80px;
  overflow: hidden;
  background:
    radial-gradient(900px 420px at 88% -8%, rgba(230,30,37,0.16), transparent 60%),
    radial-gradient(720px 380px at 8% 116%, rgba(53,224,216,0.10), transparent 60%),
    var(--x9-bg);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
}
.hero h1 {
  font-family: var(--ct-font-display);
  font-weight: 700;
  font-size: 58px;
  line-height: 1.1;
  color: #fff;
  letter-spacing: -0.015em;
  margin-bottom: 20px;
}
.hero h1 .x { color: var(--x9-accent); }
.hero .subtitle {
  font-size: 20px;
  color: var(--x9-text);
  line-height: 1.55;
  margin-bottom: 30px;
  max-width: 620px;
}
.hero .meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  font-family: var(--ct-font-mono);
  font-size: 13px;
  color: var(--x9-text-2);
}
.hero .meta-line span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--x9-border-2);
  border-radius: var(--cut-chip);
  padding: 5px 12px;
}

/* Staircase squares motif (recolored from light confetti) */
.confetti {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 1;
}
.confetti .px {
  position: absolute;
  display: block;
  border-radius: 2px 2px 0 2px;
}
.px-red   { background: var(--x9-accent); box-shadow: 0 0 14px rgba(230,30,37,0.5); }
.px-grey  { background: var(--x9-mark-lg); opacity: 0.22; }
.px-white { background: var(--x9-cyan); opacity: 0.6; box-shadow: 0 0 12px rgba(53,224,216,0.5); }
.px-ink   { background: var(--x9-mark-lg); opacity: 0.12; }

/* 3×3 "9 = 3×3" hero mark */
.hero-mark {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 26px);
  gap: 7px;
  margin-bottom: 28px;
  width: max-content;
}
.hero-mark span {
  width: 26px; height: 26px;
  background: var(--x9-mark-lg);
  opacity: 0.85;
  border-radius: 8px 8px 8px 2px;
  display: block;
}
/* anti-diagonal flips to red → reads as the 9× idea */
.hero-mark span:nth-child(3),
.hero-mark span:nth-child(5),
.hero-mark span:nth-child(7) { background: var(--x9-accent); opacity: 1; }

/* ---- Thesis callout ---- */
.thesis {
  position: relative;
  background: var(--x9-bg-raise);
  border: 1px solid var(--x9-border);
  border-left: 3px solid var(--x9-accent);
  border-radius: var(--cut-card2);
  padding: 32px 36px;
  margin: 0 0 70px;
}
.thesis h2 {
  font-family: var(--ct-font-display);
  font-weight: 700;
  font-size: 20px;
  color: #fff;
  margin-bottom: 18px;
}
.thesis ol {
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.thesis li {
  font-size: 17px;
  line-height: 1.55;
  color: var(--x9-text);
}
.thesis li::marker { color: var(--x9-text-2); font-family: var(--ct-font-mono); }
.thesis strong { color: var(--x9-accent); }

/* ---- Schedule ---- */
.schedule-section {
  padding: 56px 0 100px;
}
.schedule-section > .container > h2 {
  font-family: var(--ct-font-display);
  font-weight: 700;
  font-size: 30px;
  color: #fff;
  margin-bottom: 50px;
}

/* Act group */
.act { margin-bottom: 64px; }
.act:last-child { margin-bottom: 0; }
.act-header {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 26px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--x9-border-2);
}
.act-number {
  font-family: var(--ct-font-mono);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--x9-cyan);
}
.act-title {
  font-family: var(--ct-font-display);
  font-weight: 700;
  font-size: 22px;
  color: #fff;
}

/* Session block */
.session {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 0 30px;
  padding: 22px 0;
  border-bottom: 1px solid var(--x9-border);
}
.session:last-child { border-bottom: none; }
.session-time {
  font-family: var(--ct-font-mono);
  font-size: 15px;
  color: var(--x9-text);
  padding-top: 3px;
}
.session-duration {
  display: block;
  font-family: var(--ct-font-mono);
  font-size: 13px;
  color: var(--x9-text-2);
}
.session-body { display: flex; flex-direction: column; gap: 8px; }
.session-top { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.session-title {
  font-family: var(--ct-font-display);
  font-weight: 600;
  font-size: 18px;
  color: #fff;
}
.session-desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--x9-text-2);
}
.session-desc strong { color: var(--x9-text); }
.session-desc code {
  font-family: var(--ct-font-mono);
  font-size: 14px;
  color: var(--x9-cyan);
  background: var(--x9-code);
  border: 1px solid var(--x9-border);
  padding: 1px 6px;
  border-radius: 4px;
}
.session-pills { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 4px; }
.session-note {
  font-family: var(--ct-font-mono);
  font-size: 13px;
  font-style: italic;
  color: var(--x9-text-2);
  margin-top: 6px;
}

/* Type tags — mono chips on hairline, diagonal cut */
.type-tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--ct-font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 11px;
  border: 1px solid transparent;
  border-radius: var(--cut-chip);
  white-space: nowrap;
}
.type-tag.talk       { background: rgba(53,224,216,0.10);  color: #7FEFE8; border-color: rgba(53,224,216,0.30); }
.type-tag.demo       { background: rgba(120,205,120,0.10); color: #9FE0A0; border-color: rgba(120,205,120,0.30); }
.type-tag.exercise   { background: rgba(230,30,37,0.12);   color: #FF9DA1; border-color: rgba(230,30,37,0.34); }
.type-tag.break      { background: rgba(151,149,181,0.10); color: var(--x9-text-2); border-color: var(--x9-border-2); }
.type-tag.discussion { background: rgba(212,151,86,0.12);  color: #E3B271; border-color: rgba(212,151,86,0.32); }

/* Topic pills */
.pill {
  display: inline-flex;
  align-items: center;
  font-family: var(--ct-font-mono);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--x9-text-2);
  background: transparent;
  border: 1px solid var(--x9-border-2);
  padding: 4px 10px;
  border-radius: var(--cut-chip);
}

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--x9-border);
  padding: 44px 0 36px;
  background: var(--x9-bg);
}
.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-footer .logo-link svg { height: 34px; width: auto; opacity: 0.6; }
.site-footer .copyright {
  font-family: var(--ct-font-mono);
  font-size: 13px;
  color: var(--x9-text-2);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .hero { padding: 66px 0 50px; }
  .hero h1 { font-size: 42px; }
  .hero .subtitle { font-size: 18px; }
  .session { grid-template-columns: 1fr; gap: 6px; }
  .session-time { display: flex; gap: 12px; align-items: baseline; }
  .session-duration { display: inline; }
  .act-title { font-size: 19px; }
  .thesis { padding: 24px 24px; }
}

@media (max-width: 560px) {
  .hero h1 { font-size: 33px; }
  .hero { padding: 48px 0 40px; }
  .container { padding: 0 18px; }
  .site-header nav { gap: 16px; }
  .site-header nav a { font-size: 14px; }
  .site-footer .container { flex-direction: column; gap: 16px; text-align: center; }
  .schedule-section > .container > h2 { font-size: 24px; margin-bottom: 30px; }
}

/* ============================================================
   Pages: prerequisites, tools
   ============================================================ */

/* Page hero (smaller than home hero) */
.page-hero {
  position: relative;
  padding: 72px 0 50px;
  background:
    radial-gradient(800px 360px at 90% -20%, rgba(230,30,37,0.14), transparent 60%),
    var(--x9-bg);
}
.page-hero h1 {
  font-family: var(--ct-font-display);
  font-weight: 700;
  font-size: 44px;
  line-height: 1.12;
  color: #fff;
  letter-spacing: -0.015em;
  margin-bottom: 14px;
}
.page-hero .subtitle {
  font-size: 18px;
  color: var(--x9-text);
  line-height: 1.55;
  max-width: 660px;
}

/* Content area */
.page-content { padding: 56px 0 100px; }

/* Prerequisite groups */
.prereq-group { margin-bottom: 60px; }
.prereq-group:last-child { margin-bottom: 0; }
.prereq-group > h2 {
  font-family: var(--ct-font-display);
  font-weight: 700;
  font-size: 24px;
  color: #fff;
  margin-bottom: 10px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--x9-border-2);
}
.prereq-group > .group-intro {
  font-size: 16px;
  color: var(--x9-text-2);
  line-height: 1.55;
  margin-bottom: 24px;
}
.prereq-card { padding: 24px 0; border-bottom: 1px solid var(--x9-border); }
.prereq-card:last-child { border-bottom: none; }
.prereq-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; flex-wrap: wrap; }
.prereq-header h3 {
  font-family: var(--ct-font-display);
  font-weight: 600;
  font-size: 18px;
  color: #fff;
}
.prereq-card p { font-size: 16px; line-height: 1.55; color: var(--x9-text-2); margin-bottom: 10px; }
.prereq-card p:last-child { margin-bottom: 0; }

/* Code blocks — terminal plate */
.code-block {
  background: var(--x9-code);
  border: 1px solid var(--x9-border);
  border-radius: var(--cut-code);
  padding: 16px 20px;
  margin: 12px 0;
  overflow-x: auto;
}
.code-block code {
  font-family: var(--ct-font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: #C9C7E0;
  white-space: pre;
  display: block;
}
.code-comment { color: var(--x9-text-2); }

/* Tool / section headings */
.tool-section { margin-bottom: 70px; }
.tool-section:last-child { margin-bottom: 0; }
.tool-section > h2 {
  font-family: var(--ct-font-display);
  font-weight: 700;
  font-size: 24px;
  color: #fff;
  margin-bottom: 24px;
}
.section-intro {
  font-size: 16px;
  color: var(--x9-text-2);
  line-height: 1.55;
  margin: -14px 0 24px;
}

/* Tool grid */
.tool-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tool-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }

/* Tool cards — raised navy surface, hairline, diagonal cut */
.tcard {
  background: var(--x9-bg-raise);
  border: 1px solid var(--x9-border);
  border-radius: var(--cut-card);
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform var(--ct-dur) var(--ct-ease),
              border-color var(--ct-dur) var(--ct-ease),
              box-shadow var(--ct-dur) var(--ct-ease);
}
.tcard:nth-child(even) { border-radius: var(--cut-card2); }
.tcard:hover {
  transform: translateY(-3px);
  border-color: var(--x9-border-2);
  box-shadow: var(--ct-shadow-2);
}
.tcard-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--cut-icon);
  background: var(--x9-bg-raise-2);
  border: 1px solid var(--x9-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--x9-cyan);
  font-size: 24px;
}
.tcard .type-tag { align-self: flex-start; }
.tcard h3 {
  font-family: var(--ct-font-display);
  font-weight: 700;
  font-size: 20px;
  color: #fff;
}
.tcard p { font-size: 16px; line-height: 1.55; color: var(--x9-text-2); }
.tcard p strong { color: var(--x9-text); }
.tcard p:last-child,
.tcard .code-block + .tcard-btn { margin-top: auto; }
.tcard .code-block { margin: 4px 0; }

/* CTA buttons — glowing red, diagonal cut, mono */
.tcard-btn {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 9px;
  font-family: var(--ct-font-mono);
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  padding: 13px 22px;
  border-radius: var(--cut-btn);
  border: 1px solid var(--x9-accent);
  background: var(--x9-accent);
  color: #fff;
  text-decoration: none;
  white-space: nowrap;
  transition: box-shadow var(--ct-dur) var(--ct-ease),
              background var(--ct-dur) var(--ct-ease),
              border-color var(--ct-dur) var(--ct-ease),
              gap var(--ct-dur) var(--ct-ease),
              transform var(--ct-dur) var(--ct-ease);
}
.tcard-btn:hover {
  background: var(--x9-accent-hover);
  border-color: var(--x9-accent-hover);
  color: #fff;
  box-shadow: var(--x9-glow-red);
  gap: 13px;
}
.tcard-btn:active { transform: scale(0.97); }
.tcard-btn.outline {
  background: transparent;
  color: var(--x9-cyan);
  border-color: var(--x9-border-2);
}
.tcard-btn.outline:hover {
  background: transparent;
  color: var(--x9-cyan);
  border-color: var(--x9-cyan);
  box-shadow: var(--x9-glow-cyan);
}

@media (max-width: 768px) {
  .page-hero { padding: 52px 0 35px; }
  .page-hero h1 { font-size: 32px; }
  .tool-grid, .tool-grid.cols-3 { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .page-hero h1 { font-size: 28px; }
}

/* ============================================================
   Performance page
   ============================================================ */

/* Compare grid */
.compare-grid {
  background: var(--x9-bg-raise);
  border: 1px solid var(--x9-border);
  border-radius: var(--cut-card);
  padding: 8px 0;
  margin-bottom: 20px;
  overflow: hidden;
}
.compare-header {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  padding: 16px 24px 12px;
  border-bottom: 2px solid var(--x9-border-2);
}
.compare-col-model {
  font-family: var(--ct-font-mono);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--x9-text-2);
}
.compare-col-task {
  font-family: var(--ct-font-display);
  font-weight: 700;
  font-size: 14px;
  color: #fff;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.compare-col-task i { font-size: 16px; color: var(--x9-cyan); }
.compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  padding: 10px 24px;
  border-bottom: 1px solid var(--x9-border);
  align-items: center;
  transition: background var(--ct-dur) var(--ct-ease);
}
.compare-row:hover { background: var(--x9-bg-raise-2); }
.compare-model { display: flex; align-items: center; }
.compare-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-family: var(--ct-font-mono);
  font-size: 14px;
  color: var(--x9-text);
}
.compare-stats.cs-na { color: var(--x9-border-2); font-size: 16px; }
.cs-time { color: var(--x9-text-2); min-width: 48px; text-align: right; }
.cs-cost { color: var(--x9-cyan); font-weight: 500; min-width: 56px; text-align: right; }
.cs-byok { color: var(--x9-text-2); font-style: italic; font-weight: 400; }
.compare-divider { height: 1px; background: var(--x9-border-2); margin: 4px 24px; }
.compare-fail { opacity: 0.5; }
.compare-fail .compare-stats { color: var(--x9-text-2); font-style: italic; }

@media (max-width: 640px) {
  .compare-header, .compare-row { grid-template-columns: 1fr; gap: 6px; padding: 12px 18px; }
  .compare-col-task { justify-content: flex-start; font-size: 12px; }
  .compare-stats { justify-content: flex-start; gap: 12px; font-size: 13px; }
  .compare-stats::before {
    font-family: var(--ct-font-mono);
    font-size: 11px;
    color: var(--x9-text-2);
    font-weight: 500;
    letter-spacing: 0.04em;
    min-width: 60px;
  }
  .compare-row .compare-stats:nth-child(2)::before { content: "Write: "; }
  .compare-row .compare-stats:nth-child(3)::before { content: "Explain: "; }
}

/* Prompt card */
.prompt-card {
  background: var(--x9-bg-raise);
  border: 1px solid var(--x9-border);
  border-radius: var(--cut-card2);
  padding: 28px 30px;
  margin-bottom: 30px;
}
.prompt-card p { font-size: 16px; line-height: 1.55; color: var(--x9-text); }
.prompt-label {
  font-family: var(--ct-font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--x9-cyan);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Legend */
.perf-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 50px;
  padding: 16px 24px;
  background: var(--x9-bg-raise);
  border: 1px solid var(--x9-border);
  border-radius: var(--cut-card);
  font-family: var(--ct-font-mono);
  font-size: 13px;
  color: var(--x9-text-2);
}
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.legend-item i { color: var(--x9-cyan); font-size: 16px; }

/* Model response grid */
.model-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

/* Model card */
.mcard {
  background: var(--x9-bg-raise);
  border: 1px solid var(--x9-border);
  border-radius: var(--cut-card);
  padding: 24px 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mcard:nth-child(even) { border-radius: var(--cut-card2); }
.mcard-fail { opacity: 0.6; }
.mcard-head { display: flex; align-items: center; }

/* Model slug badges — translucent on dark */
.model-slug {
  font-family: var(--ct-font-mono);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.02em;
  padding: 4px 10px;
  border-radius: var(--cut-chip);
  white-space: nowrap;
  border: 1px solid transparent;
}
.model-slug.anthropic { background: rgba(124,116,200,0.16); color: #B9B2F0; border-color: rgba(124,116,200,0.34); }
.model-slug.openai    { background: rgba(80,180,80,0.14);   color: #8FD68F; border-color: rgba(80,180,80,0.32); }
.model-slug.google    { background: rgba(60,140,230,0.16);  color: #8FBEF5; border-color: rgba(60,140,230,0.34); }
.model-slug.deepseek  { background: rgba(53,224,216,0.14);  color: #7FE0DA; border-color: rgba(53,224,216,0.32); }
.model-slug.qwen      { background: rgba(212,151,86,0.16);  color: #E3B271; border-color: rgba(212,151,86,0.34); }
.model-slug.xai       { background: rgba(151,149,181,0.16); color: #C9C7E0; border-color: var(--x9-border-2); }
.model-slug.other     { background: rgba(151,149,181,0.12); color: var(--x9-text-2); border-color: var(--x9-border-2); }
.model-slug.free      { background: rgba(151,149,181,0.10); color: var(--x9-text-2); border-color: var(--x9-border); }

/* Code output inside card */
.mcard-code {
  background: var(--x9-code);
  border: 1px solid var(--x9-border);
  border-radius: var(--cut-code);
  padding: 14px 18px;
  overflow-x: auto;
  flex: 1;
}
.mcard-code code {
  font-family: var(--ct-font-mono);
  font-size: 13px;
  line-height: 1.55;
  color: #C9C7E0;
  white-space: pre;
  display: block;
}

/* Stats row */
.mcard-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding-top: 12px;
  border-top: 1px solid var(--x9-border);
  font-family: var(--ct-font-mono);
  font-size: 13px;
  color: var(--x9-text-2);
}
.mcard-stats span { display: inline-flex; align-items: center; gap: 4px; }
.mcard-stats i { font-size: 14px; color: var(--x9-cyan); }

/* Stata syntax highlighting (on deep navy code plate) */
.mcard-code .st-cmd  { color: #7EB6FF; }
.mcard-code .st-opt  { color: #C9A0FF; }
.mcard-code .st-str  { color: #B9F5D8; }
.mcard-code .st-cmt  { color: var(--x9-text-2); font-style: italic; }

/* Note */
.mcard-note {
  font-size: 13px;
  line-height: 1.5;
  color: var(--x9-text-2);
  font-style: italic;
}
.mcard-note code {
  font-family: var(--ct-font-mono);
  font-size: 12px;
  color: var(--x9-cyan);
  background: var(--x9-code);
  border: 1px solid var(--x9-border);
  padding: 1px 5px;
  border-radius: 4px;
  font-style: normal;
}

/* Prose output (explanation text instead of code) */
.mcard-prose { background: var(--x9-code); }
.mcard-prose code {
  color: var(--x9-text);
  white-space: pre-wrap;
  font-family: var(--ct-font-sans);
  font-size: 14px;
  line-height: 1.55;
}
.mcard-prose code code {
  font-family: var(--ct-font-mono);
  font-size: 13px;
  color: var(--x9-cyan);
  background: rgba(151,149,181,0.12);
  padding: 1px 5px;
  border-radius: 4px;
}

/* Section break heading between card grids */
.section-break {
  font-family: var(--ct-font-display);
  font-weight: 700;
  font-size: 28px;
  color: #fff;
  margin: 70px 0 10px;
  padding-top: 50px;
  border-top: 1px solid var(--x9-border-2);
}

/* Act duration label */
.act-duration {
  font-family: var(--ct-font-mono);
  font-size: 13px;
  color: var(--x9-text-2);
  margin-left: auto;
}

@media (max-width: 768px) {
  .model-grid { grid-template-columns: 1fr; }
  .perf-legend { gap: 12px; }
}