/* ============================================================
   RECORD — raghavdheri.com
   Editorial systems-design. Bone / ink / vermillion.
   Bricolage Grotesque + DM Mono. Light default, warm dark toggle.
   ============================================================ */

:root {
  --accent:      #0E9488;
  --accent-deep: #0B7268;
  --band-accent: #7FE9DB;

  --font: 'Bricolage Grotesque', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --mono: 'DM Mono', ui-monospace, 'SF Mono', monospace;

  --container: 1280px;
  --pad: clamp(20px, 5vw, 64px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.3, 0.5, 1);
}

:root[data-theme="light"] {
  --paper:      #F3F4F1;
  --paper-2:    #E7E9E4;
  --paper-3:    #D9DCD5;
  --ink:        #14181A;
  --ink-soft:   #515857;
  --ink-faint:  #868D8B;
  --hairline:   rgba(20, 24, 26, 0.15);
  --hairline-2: rgba(20, 24, 26, 0.28);
  --band:       #0D453E;
  --band-text:  #EAF3F0;
  --band-soft:  #9CBAB3;
  --band-accent:#7FE9DB;
  --accent-readable: var(--accent-deep);
  --ok: #2F8B5E;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --paper:      #0D1110;
  --paper-2:    #151B19;
  --paper-3:    #1E2623;
  --ink:        #EAF0EE;
  --ink-soft:   #9AA8A4;
  --ink-faint:  #6D7B77;
  --hairline:   rgba(234, 240, 238, 0.13);
  --hairline-2: rgba(234, 240, 238, 0.26);
  --band:       #0A2420;
  --band-text:  #EAF0EE;
  --band-soft:  #849792;
  --band-accent:#7FE9DB;
  --accent:     #2DD4BF;
  --accent-deep:#2DD4BF;
  --accent-readable: #5EE9D5;
  --ok: #5FC08C;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { background: var(--paper); scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-optical-sizing: auto;
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

html.theme-ready body, html.theme-ready * {
  transition: background-color .4s var(--ease), color .3s var(--ease), border-color .4s var(--ease), fill .3s var(--ease);
}

::selection { background: var(--accent); color: #fff; }
a { color: inherit; }

.skip-link {
  position: absolute; top: -60px; left: 16px; z-index: 200;
  background: var(--accent); color: #fff; padding: 10px 16px;
  font-family: var(--mono); font-size: 13px; text-decoration: none;
}
.skip-link:focus { top: 14px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ---- Masthead ------------------------------------------- */
.masthead {
  position: sticky; top: 0; z-index: 100;
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px;
  padding: 16px var(--pad);
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  border-bottom: 1px solid var(--hairline);
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-glyph { color: var(--accent); font-size: 16px; }
.brand-name { font-weight: 700; font-size: 17px; letter-spacing: -0.02em; }
.masthead-tag {
  margin: 0; justify-self: center; font-family: var(--mono); font-size: 12px;
  color: var(--ink-faint); letter-spacing: 0.01em;
}
.masthead-nav { display: flex; align-items: center; gap: 26px; }
.masthead-nav a {
  text-decoration: none; color: var(--ink-soft); font-size: 15px; font-weight: 500;
  display: inline-flex; align-items: baseline; gap: 5px;
}
.masthead-nav a .n { font-family: var(--mono); font-size: 10px; color: var(--ink-faint); }
.masthead-nav a:hover, .masthead-nav a.active { color: var(--ink); }
.masthead-nav a.active .n { color: var(--accent); }

.toggle {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  background: none; border: 1px solid var(--hairline-2); border-radius: 20px;
  padding: 6px 12px 6px 9px; color: var(--ink-soft);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase;
}
.toggle:hover { border-color: var(--accent); color: var(--ink); }
.toggle-dot { width: 11px; height: 11px; border-radius: 50%; background: var(--accent); }
:root[data-theme="dark"] .toggle-dot { background: var(--paper); border: 2px solid var(--accent); }

/* ---- Shared section frame ------------------------------- */
.cover, .chapter { max-width: var(--container); margin: 0 auto; padding-inline: var(--pad); }

/* ---- Cover / hero --------------------------------------- */
.cover { padding-top: clamp(26px, 5vh, 60px); padding-bottom: clamp(34px, 6vh, 70px); }
.cover-inner {
  display: grid; grid-template-columns: 1fr clamp(248px, 33%, 420px);
  gap: clamp(28px, 5vw, 76px); align-items: center;
}
.kicker {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: 13px; color: var(--ink-soft); letter-spacing: 0.01em;
}
.kicker-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: beat 2.4s var(--ease) infinite; }
@keyframes beat { 0%,100% { opacity: 1; } 50% { opacity: 0.25; } }

.cover-h {
  margin: 22px 0 0; font-weight: 700;
  font-size: clamp(48px, 8.8vw, 140px); line-height: 0.88; letter-spacing: -0.046em;
}
.cover-h em { font-style: normal; color: var(--accent); }
.cover-h .cl { display: block; overflow: hidden; padding-bottom: 0.04em; }
.cover-h .ci { display: block; }

.cover-hook {
  margin: 26px 0 0; max-width: 44ch; font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.46; color: var(--ink-soft); letter-spacing: -0.01em;
}
.cover-hook strong { color: var(--ink); font-weight: 600; }
.cover-hook em { font-style: normal; color: var(--accent-readable); font-weight: 500; }

.cover-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px; margin-top: 32px; }
.link-strong {
  font-size: 18px; font-weight: 600; text-decoration: none; color: var(--ink);
  border-bottom: 2px solid var(--accent); padding-bottom: 3px;
}
.link-strong span { color: var(--accent-readable); display: inline-block; transition: transform .25s var(--ease); }
.link-strong:hover span { transform: translateX(4px); }
.link-quiet {
  font-family: var(--mono); font-size: 13px; text-decoration: none; color: var(--ink-soft);
  border-bottom: 1px solid var(--hairline-2); padding-bottom: 2px;
}
.link-quiet:hover { color: var(--ink); border-color: var(--accent); }

/* portrait as a bold design element (offset vermillion block, mono caption) */
.cover-portrait { margin: 0; }
.cover-portrait-img {
  position: relative; overflow: hidden;
  border: 1.5px solid var(--ink); background: var(--ink);
  box-shadow: 13px 13px 0 0 var(--accent);
}
.cover-portrait-img img {
  display: block; width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 20%;
  filter: contrast(1.03) saturate(1.06);
  transform: translate(var(--px, 0px), var(--py, 0px)) scale(var(--pscale, 1.06));
  transition: transform .4s var(--ease);
  will-change: transform;
}
.cover-portrait:hover .cover-portrait-img img { --pscale: 1.1; }
.cover-portrait figcaption {
  display: flex; justify-content: space-between; margin-top: 12px;
  font-family: var(--mono); font-size: 11px; color: var(--ink-faint); letter-spacing: 0.02em;
}
.cover-portrait figcaption span:first-child { color: var(--ink); }

/* spec strip under the hero */
.spec {
  margin: clamp(30px, 5vh, 56px) 0 0; padding-top: 24px; border-top: 1.5px solid var(--ink);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(14px, 3vw, 36px);
}
.spec > div { display: flex; flex-direction: column; gap: 6px; }
.spec dt { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--ink-faint); margin: 0; }
.spec dd { margin: 0; font-size: 15px; font-weight: 500; }

/* ---- Load + reveal animations --------------------------- */
@keyframes lineUp { from { transform: translateY(112%); } to { transform: none; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }
@keyframes revealFailsafe { to { opacity: 1; transform: none; } }

/* hero loads in on page load (pure CSS) */
html.anim .cover-h .ci { transform: translateY(112%); animation: lineUp .92s var(--ease) forwards; }
html.anim .cover-h .cl:nth-child(1) .ci { animation-delay: .12s; }
html.anim .cover-h .cl:nth-child(2) .ci { animation-delay: .26s; }
html.anim .kicker,
html.anim .cover-hook,
html.anim .cover-cta,
html.anim .cover-portrait,
html.anim .spec { opacity: 0; animation: fadeUp .85s var(--ease) forwards; }
html.anim .kicker         { animation-delay: .05s; }
html.anim .cover-portrait { animation-delay: .30s; }
html.anim .cover-hook     { animation-delay: .52s; }
html.anim .cover-cta      { animation-delay: .66s; }
html.anim .spec           { animation-delay: .80s; }

/* the rest reveals on scroll (JS adds .revealed; CSS failsafe guarantees visibility) */
html.anim :is(.band-quote, .chapter-head, .warmup, .filters, .work, .exp, .about, .closer-title, .closer-sub, .closer-links) {
  opacity: 0; transform: translateY(28px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  animation: revealFailsafe .01s linear 3.2s forwards;
}
html.anim .revealed { opacity: 1 !important; transform: none !important; animation: none !important; }

/* interactive consensus widget */
.consensus { margin: 0; }
.consensus-head { font-family: var(--mono); font-size: 12px; color: var(--ink-soft); line-height: 1.45; margin-bottom: 13px; max-width: 36ch; }
.consensus-nodes { display: flex; gap: 10px; align-items: center; }
.c-node {
  width: 38px; height: 38px; border-radius: 50%; cursor: pointer; padding: 0;
  background: var(--paper-2); border: 1.5px solid var(--ink);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 11px; color: var(--ink-soft);
  transition: transform .18s var(--ease), background .25s, border-color .25s, color .25s;
}
.c-node:hover { transform: translateY(-2px); }
.c-node.up { background: var(--accent); border-color: var(--accent); color: #fff; }
.c-node.down { background: transparent; border-style: dashed; border-color: var(--ink-faint); color: var(--ink-faint); opacity: 0.6; }
.consensus-read {
  margin: 14px 0 0; font-family: var(--mono); font-size: 14px; letter-spacing: 0.02em;
  display: flex; align-items: center; gap: 10px;
}
.consensus-read b { font-weight: 500; }
.consensus-read .verdict { padding: 2px 9px; border-radius: 3px; font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; }
.consensus-read .verdict.ok { background: var(--accent); color: #fff; }
.consensus-read .verdict.no { background: transparent; color: var(--ink-faint); border: 1px solid var(--hairline-2); }
.consensus-hint { margin: 9px 0 0; font-family: var(--mono); font-size: 11px; color: var(--ink-faint); }

/* ---- Statement band (full-bleed ink) -------------------- */
.band {
  background: var(--band); color: var(--band-text);
  padding: clamp(72px, 14vh, 170px) var(--pad);
  margin: clamp(20px, 4vh, 40px) 0 0;
}
.band-quote {
  max-width: 1140px; margin: 0 auto;
  font-size: clamp(32px, 6vw, 88px); font-weight: 600; line-height: 1.0; letter-spacing: -0.038em;
}
.band-quote em { font-style: normal; color: var(--band-accent); }

/* ---- Chapters ------------------------------------------- */
.chapter { padding-top: clamp(64px, 11vh, 140px); padding-bottom: clamp(24px, 5vh, 56px); }
.chapter-head {
  display: grid; grid-template-columns: clamp(78px, 11vw, 160px) 1fr; gap: clamp(16px, 3vw, 40px);
  align-items: start; margin-bottom: clamp(36px, 6vh, 64px);
}
.chapter-no {
  font-family: var(--mono); font-weight: 500;
  font-size: clamp(46px, 8vw, 120px); line-height: 0.8; color: var(--accent);
  letter-spacing: -0.02em;
}
.chapter-title { margin: 0; font-size: clamp(38px, 7vw, 96px); font-weight: 700; letter-spacing: -0.04em; line-height: 0.92; }
.chapter-note { margin: 18px 0 0; max-width: 56ch; color: var(--ink-soft); font-size: 17px; }

/* ---- Filters -------------------------------------------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: clamp(28px, 5vh, 52px); }
.chip {
  font-family: var(--mono); font-size: 13px; cursor: pointer;
  padding: 8px 15px; border-radius: 30px; background: transparent;
  border: 1.5px solid var(--hairline-2); color: var(--ink-soft);
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip.is-active { background: var(--ink); border-color: var(--ink); color: var(--paper); }

/* ---- Warm-up consensus strip ---------------------------- */
.warmup {
  display: grid; grid-template-columns: 1fr auto; gap: clamp(22px, 4vw, 52px); align-items: center;
  padding: clamp(22px, 3vh, 32px) clamp(22px, 3vw, 36px);
  border: 1.5px solid var(--ink); background: var(--paper-2);
  margin-bottom: clamp(28px, 5vh, 48px);
}
.warmup-copy { max-width: 50ch; }
.warmup-label { display: block; margin-bottom: 9px; font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent-readable); }
.warmup-copy p { margin: 0; font-size: 16px; line-height: 1.5; color: var(--ink-soft); }

/* ---- Works (featured exhibits + card grid) -------------- */
.works { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; column-gap: clamp(28px, 4vw, 56px); }
.work {
  grid-column: 1 / -1;
  display: grid; grid-template-columns: 1fr minmax(0, 1.06fr); gap: clamp(28px, 4.5vw, 64px);
  padding: clamp(44px, 6.5vh, 82px) 0; border-top: 1.5px solid var(--ink); align-items: start;
  transition: opacity .4s var(--ease), filter .4s var(--ease);
}
.work:first-of-type { border-top: none; padding-top: 0; }
.work-card { grid-column: auto; grid-template-columns: 1fr; transition: transform .45s var(--ease), opacity .4s var(--ease), filter .4s var(--ease); }
@media (min-width: 941px) { .work-card:hover { transform: translateY(-5px); } }
.work.dim { opacity: 0.26; filter: saturate(0.45); }

.work-top { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.work-no { font-family: var(--mono); font-weight: 500; font-size: 14px; color: var(--accent); }
.work-kind { font-family: var(--mono); font-size: 12.5px; color: var(--ink-soft); }
.work-title { margin: 0; font-size: clamp(30px, 4.2vw, 56px); font-weight: 700; letter-spacing: -0.035em; line-height: 0.98; }
.title-sub { font-weight: 400; color: var(--ink-faint); letter-spacing: -0.02em; }
.work-line { margin: 14px 0 0; font-size: clamp(18px, 2vw, 23px); font-weight: 500; letter-spacing: -0.015em; }
.work-line em { font-style: normal; color: var(--accent-readable); }
.work-desc { margin: 14px 0 0; color: var(--ink-soft); font-size: 16.5px; line-height: 1.55; max-width: 56ch; }

.metrics { list-style: none; display: flex; flex-wrap: wrap; gap: 22px; margin: 22px 0 0; padding: 18px 0 0; border-top: 1px solid var(--hairline); }
.metrics li { display: flex; flex-direction: column; gap: 2px; }
.metrics b { font-family: var(--mono); font-size: 20px; font-weight: 500; letter-spacing: -0.02em; }
.metrics span { font-size: 12.5px; color: var(--ink-faint); font-family: var(--mono); }

.stack { list-style: none; display: flex; flex-wrap: wrap; gap: 7px; margin: 20px 0 0; padding: 0; }
.stack li { font-family: var(--mono); font-size: 12px; color: var(--ink-soft); padding: 4px 11px; border: 1px solid var(--hairline-2); border-radius: 30px; }

.work-links { display: flex; gap: 22px; margin: 22px 0 0; flex-wrap: wrap; }
.work-links a { font-family: var(--mono); font-size: 14px; text-decoration: none; color: var(--ink); border-bottom: 1.5px solid var(--accent); padding-bottom: 2px; }
.work-links a:hover { color: var(--accent-readable); }

.feature-grid {
  list-style: none; margin: 22px 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr;
  border: 1.5px solid var(--ink);
}
.feature-grid li { padding: 15px 16px; border-right: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); display: flex; flex-direction: column; gap: 5px; }
.feature-grid li:nth-child(2n) { border-right: none; }
.feature-grid li:nth-last-child(-n+2) { border-bottom: none; }
.feat-k { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent-readable); }
.feat-v { font-size: 14px; color: var(--ink); line-height: 1.4; }

/* ---- Plates (live demo frames) -------------------------- */
.plate { margin: 0; position: sticky; top: 96px; border: 1.5px solid var(--ink); background: var(--paper-2); }
.plate-cap {
  display: flex; align-items: center; gap: 9px; background: var(--ink); color: var(--paper);
  padding: 9px 14px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em;
}
.plate-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.plate-body { padding: 18px; min-height: 230px; }
.plate-static { position: static; }
@media (max-width: 940px) { .plate { position: static; } }

/* ---- Experience ----------------------------------------- */
.exp-list { list-style: none; margin: 0; padding: 0; }
.exp { display: grid; grid-template-columns: 170px 1fr; gap: clamp(18px, 4vw, 48px); padding: 30px 0; border-top: 1px solid var(--hairline); }
.exp:first-child { border-top: 1.5px solid var(--ink); }
.exp-when { font-family: var(--mono); font-size: 13px; color: var(--ink-faint); padding-top: 7px; }
.exp-role { margin: 0; font-size: clamp(22px, 2.6vw, 30px); font-weight: 700; letter-spacing: -0.025em; }
.exp-org { margin: 5px 0 0; font-family: var(--mono); font-size: 13.5px; color: var(--accent-readable); }
.exp-desc { margin: 13px 0 0; color: var(--ink-soft); font-size: 16.5px; line-height: 1.55; max-width: 64ch; }
.exp-desc strong { color: var(--ink); font-weight: 700; }
.exp .stack { margin-top: 15px; }
.cluster-list { list-style: none; margin: 12px 0 0; padding: 0; }
.cluster-list li { font-size: 15.5px; color: var(--ink-soft); padding: 9px 0; border-bottom: 1px dashed var(--hairline); line-height: 1.45; }
.cluster-list li:last-child { border-bottom: none; }
.cluster-list li span { color: var(--ink); font-weight: 600; }

/* ---- About ---------------------------------------------- */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.about-lede { margin: 0; font-size: clamp(22px, 2.8vw, 32px); font-weight: 500; line-height: 1.24; letter-spacing: -0.025em; }
.about-cols p { margin: 0 0 18px; color: var(--ink-soft); font-size: 17px; line-height: 1.6; }
.about-cols p:last-child { margin-bottom: 0; }
.about-aside { font-size: 15px !important; padding-top: 18px; border-top: 1px solid var(--hairline); }

.outside { grid-column: 1 / -1; margin-top: clamp(20px, 4vh, 40px); padding-top: 28px; border-top: 1.5px solid var(--ink); }
.outside-label { margin: 0 0 16px; font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent-readable); }
.outside-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 clamp(28px, 5vw, 64px); }
.outside-list li { display: grid; grid-template-columns: 96px 1fr; gap: 14px; padding: 13px 0; border-bottom: 1px dashed var(--hairline); align-items: baseline; }
.out-k { font-weight: 600; }
.out-v { color: var(--ink-soft); font-size: 16px; }
.outside-langs { margin: 18px 0 0; font-size: 15px; color: var(--ink-faint); }
@media (max-width: 680px) { .outside-list { grid-template-columns: 1fr; } }

code { font-family: var(--mono); font-size: 0.88em; background: var(--paper-2); padding: 1px 5px; border-radius: 3px; }

/* ---- Closer (ink) --------------------------------------- */
.closer {
  background: var(--band); color: var(--band-text);
  padding: clamp(72px, 13vh, 160px) var(--pad) clamp(56px, 9vh, 110px);
  margin-top: clamp(48px, 8vh, 110px);
}
.closer > * { max-width: var(--container); margin-left: auto; margin-right: auto; }
.chapter-no.light { color: var(--band-accent); display: block; }
.closer-title { margin: 16px 0 0; font-size: clamp(38px, 7vw, 96px); font-weight: 700; line-height: 0.94; letter-spacing: -0.04em; }
.closer-sub { margin: 26px 0 0; color: var(--band-soft); font-size: clamp(17px, 2vw, 21px); max-width: 48ch; }
.closer-links { list-style: none; margin: clamp(36px, 6vh, 60px) auto 0; padding: 0; }
.closer-links li { display: grid; grid-template-columns: 120px 1fr; gap: 18px; align-items: baseline; padding: 18px 0; border-top: 1px solid rgba(255,255,255,0.16); }
:root[data-theme="dark"] .closer-links li { border-top-color: var(--hairline); }
.closer-links li:last-child { border-bottom: 1px solid rgba(255,255,255,0.16); }
:root[data-theme="dark"] .closer-links li:last-child { border-bottom-color: var(--hairline); }
.closer-links span { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--band-soft); }
.closer-links a { font-size: clamp(20px, 2.6vw, 30px); font-weight: 500; text-decoration: none; color: var(--band-text); width: fit-content; letter-spacing: -0.01em; }
.closer-links a:hover { color: var(--band-accent); }

/* ---- Colophon ------------------------------------------- */
.colophon {
  max-width: var(--container); margin: 0 auto; padding: 26px var(--pad) 44px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-family: var(--mono); font-size: 12px; color: var(--ink-faint);
}

/* ---- Floating avatar buddy ------------------------------ */
.buddy {
  position: fixed; left: 0; top: 0; z-index: 90;
  width: 78px; height: 78px; touch-action: none; cursor: grab;
  will-change: transform; user-select: none; -webkit-user-select: none;
}
.buddy.dragging { cursor: grabbing; }
.buddy-orb {
  position: relative; width: 100%; height: 100%; border-radius: 50%;
  background: var(--paper-2); border: 1.5px solid var(--accent);
  box-shadow: 0 12px 30px -10px rgba(0,0,0,0.45), 0 0 0 7px color-mix(in srgb, var(--accent) 16%, transparent);
  overflow: hidden; display: grid; place-items: end center;
}
.buddy-orb img { width: 92%; height: auto; display: block; pointer-events: none; -webkit-user-drag: none; transform: translateY(4px); }
.buddy.spin .buddy-orb { animation: buddySpin .7s var(--ease); }
@keyframes buddySpin { to { transform: rotate(360deg); } }
.buddy-close {
  position: absolute; top: -3px; right: -3px; z-index: 3;
  width: 22px; height: 22px; border-radius: 50%; border: 1.5px solid var(--paper); cursor: pointer;
  background: var(--ink); color: var(--paper); font-family: var(--mono); font-size: 12px; line-height: 1;
  opacity: 0; transition: opacity .2s; display: grid; place-items: center; padding: 0;
}
.buddy:hover .buddy-close { opacity: 1; }
.buddy-bubble {
  position: absolute; bottom: 88px; right: 2px; width: max-content; max-width: 230px;
  background: var(--ink); color: var(--paper); padding: 10px 13px; border-radius: 13px;
  font-size: 13.5px; line-height: 1.38; letter-spacing: -0.01em;
  box-shadow: 0 14px 32px -12px rgba(0,0,0,0.5);
  opacity: 0; transform: translateY(6px) scale(0.95); transform-origin: bottom right;
  transition: opacity .22s var(--ease), transform .22s var(--ease); pointer-events: none;
}
.buddy-bubble.show { opacity: 1; transform: none; }
.buddy-bubble::after {
  content: ''; position: absolute; bottom: -5px; right: 28px;
  width: 12px; height: 12px; background: var(--ink); transform: rotate(45deg);
}
.buddy-ring {
  position: absolute; inset: -5px; border-radius: 50%; pointer-events: none; z-index: 1;
  background: conic-gradient(var(--accent) calc(var(--caf, 0) * 1%), transparent 0);
  -webkit-mask: radial-gradient(transparent 57%, #000 60%);
          mask: radial-gradient(transparent 57%, #000 60%);
  opacity: 0; transition: opacity .35s;
}
.buddy.caf .buddy-ring { opacity: 1; }
.buddy.wired .buddy-orb { animation: buddyJitter .12s linear infinite; }
@keyframes buddyJitter { 0%,100%{transform:translate(0,0)} 25%{transform:translate(.7px,-.7px)} 75%{transform:translate(-.7px,.5px)} }
.buddy-actions {
  position: absolute; right: calc(100% + 9px); top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 7px; z-index: 4;
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.buddy:hover .buddy-actions, .buddy.game .buddy-actions { opacity: 1; pointer-events: auto; }
.buddy-action {
  width: 32px; height: 32px; border-radius: 50%; cursor: pointer; padding: 0;
  border: 1.5px solid var(--accent); background: var(--paper-2); color: var(--ink);
  font-size: 15px; line-height: 1; display: grid; place-items: center;
  box-shadow: 0 6px 16px -8px rgba(0,0,0,.4); transition: transform .15s, background .15s;
}
.buddy-action:hover { transform: scale(1.14); background: color-mix(in srgb, var(--accent) 22%, var(--paper-2)); }
.coffee-float { position: fixed; z-index: 95; font-size: 24px; pointer-events: none; animation: coffeeUp 1s var(--ease) forwards; }
@keyframes coffeeUp {
  0%   { opacity: 0; transform: translateY(14px) scale(.6) rotate(-8deg); }
  25%  { opacity: 1; }
  100% { opacity: 0; transform: translateY(-36px) scale(1.15) rotate(8deg); }
}
@media (max-width: 600px) {
  .buddy { width: 62px; height: 62px; }
  .buddy-bubble { bottom: 72px; }
}

/* ============================================================
   Live-demo internals
   ============================================================ */
.sp-readout, .sp-line { display: flex; flex-wrap: wrap; gap: 7px 18px; align-items: center; margin-bottom: 15px; }
.sp-stat { font-family: var(--mono); font-size: 12.5px; color: var(--ink-soft); }
.sp-stat b { color: var(--ink); font-weight: 500; }
.sp-stat.accent b { color: var(--accent-readable); }
.sp-stat.warn b { color: var(--accent-readable); }
.sp-stage { margin: 4px 0 15px; }
.sp-controls { display: flex; flex-wrap: wrap; gap: 8px; }
.sp-btn { font-family: var(--mono); font-size: 12.5px; cursor: pointer; padding: 8px 13px; background: var(--paper); color: var(--ink); border: 1.5px solid var(--ink); }
.sp-btn:hover { background: var(--ink); color: var(--paper); }
.sp-btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.sp-btn.primary:hover { filter: brightness(1.07); }
.sp-note { margin: 15px 0 0; font-size: 12.5px; line-height: 1.5; color: var(--ink-faint); border-top: 1px solid var(--hairline); padding-top: 12px; }

/* DTQ */
.dtq-nodes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.dtq-node { border: 1.5px solid var(--hairline-2); padding: 12px 8px; display: flex; flex-direction: column; align-items: center; gap: 6px; background: var(--paper); }
.dtq-dot { width: 13px; height: 13px; border-radius: 50%; background: transparent; border: 2px solid var(--ink-faint); }
.dtq-node[data-role="leader"] { border-color: var(--accent); }
.dtq-node[data-role="leader"] .dtq-dot { background: var(--accent); border-color: var(--accent); }
.dtq-node[data-role="candidate"] .dtq-dot { border-color: var(--accent); animation: blink .5s steps(2) infinite; }
.dtq-node[data-role="down"] { opacity: 0.45; }
.dtq-node[data-role="down"] .dtq-dot { border-style: dashed; }
@keyframes blink { 50% { opacity: 0.3; } }
.dtq-name { font-family: var(--mono); font-size: 11.5px; color: var(--ink); }
.dtq-role { font-family: var(--mono); font-size: 9.5px; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.06em; }
.dtq-node[data-role="leader"] .dtq-role { color: var(--accent-readable); }
.dtq-log { display: flex; flex-wrap: wrap; gap: 3px; justify-content: center; min-height: 14px; }
.dtq-cell { width: 9px; height: 13px; border: 1px solid var(--ink-faint); }
.dtq-cell.committed { background: var(--accent); border-color: var(--accent); }

/* Settle */
.ledger-accts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.ledger-acct { border: 1.5px solid var(--hairline-2); padding: 11px 12px; display: flex; flex-direction: column; gap: 3px; background: var(--paper); }
.la-name { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); }
.ledger-acct b { font-family: var(--mono); font-size: 17px; font-weight: 500; }
.drift { margin: 12px 0; padding: 12px 14px; border: 1.5px solid var(--ink); display: flex; align-items: center; gap: 12px; background: var(--paper); }
.drift-k { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.07em; color: var(--ink-faint); }
.drift b { font-family: var(--mono); font-size: 19px; font-weight: 500; margin-left: auto; }
.drift.ok b { color: var(--ok); }
.drift.bad b { color: var(--accent-readable); }
.drift-tag { font-family: var(--mono); font-size: 10px; padding: 3px 8px; letter-spacing: 0.06em; }
.drift.ok .drift-tag { color: var(--ok); border: 1px solid color-mix(in srgb, var(--ok) 45%, transparent); }
.drift.bad .drift-tag { color: var(--accent-readable); border: 1px solid var(--accent); }
.drift.flash { box-shadow: inset 0 0 0 2px var(--accent); }
.journal { display: flex; flex-direction: column; gap: 4px; }
.jrow { display: grid; grid-template-columns: 1fr auto auto auto; gap: 12px; align-items: center; font-family: var(--mono); font-size: 12px; padding: 7px 10px; border: 1px solid var(--hairline); background: var(--paper); }
.jrow .jd { color: var(--accent-readable); }
.jrow .jc { color: var(--ok); }
.jrow .jstate { color: var(--ink-faint); font-size: 10px; text-transform: uppercase; letter-spacing: 0.05em; }
.jrow.rolled { opacity: 0.5; }
.jrow.rolled .jd, .jrow.rolled .jc { text-decoration: line-through; color: var(--ink-faint); }

/* Converge */
.cv-wrap { display: grid; grid-template-columns: 1fr auto 1fr; gap: 10px; align-items: stretch; }
.cv-replica { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.cv-head { display: flex; justify-content: space-between; align-items: baseline; font-family: var(--mono); font-size: 11px; color: var(--ink-faint); }
.cv-caret-hint { font-size: 10px; }
.cv-editor { border: 1.5px solid var(--hairline-2); padding: 11px 12px; min-height: 62px; background: var(--paper); color: var(--ink); font-family: var(--mono); font-size: 14px; line-height: 1.5; cursor: text; word-break: break-word; outline: none; }
.cv-editor:focus { border-color: var(--accent); }
.cv-editor:focus::after { content: '▏'; color: var(--accent); animation: blink 1s steps(2) infinite; }
.cv-link { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; }
.cv-link-line { width: 1.5px; flex: 1; min-height: 36px; background: var(--accent); }
.cv-link.offline .cv-link-line { background: repeating-linear-gradient(var(--ink-faint) 0 4px, transparent 4px 9px); }
.cv-link-label { font-family: var(--mono); font-size: 9.5px; color: var(--ink-faint); writing-mode: vertical-rl; transform: rotate(180deg); letter-spacing: 0.05em; }
.cv-link.offline .cv-link-label { color: var(--accent-readable); }
@media (max-width: 460px) {
  .cv-wrap { grid-template-columns: 1fr; }
  .cv-link { flex-direction: row; }
  .cv-link-line { width: 100%; min-height: 0; height: 1.5px; }
  .cv-link-label { writing-mode: horizontal-tb; transform: none; }
}
.arch svg { display: block; }

/* ---- Responsive ----------------------------------------- */
@media (max-width: 940px) {
  body { font-size: 17px; }
  .masthead-tag { display: none; }
  .works { grid-template-columns: 1fr; }
  .work { grid-template-columns: 1fr; gap: 26px; }
  .cover-inner { grid-template-columns: 1fr; gap: 30px; }
  .cover-portrait { max-width: 320px; }
  .warmup { grid-template-columns: 1fr; }
  .spec { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .masthead { grid-template-columns: 1fr auto; }
  .masthead-nav { gap: 14px; }
  .masthead-nav a .n { display: none; }
  .toggle-label { display: none; }
  .chapter-head { grid-template-columns: 1fr; gap: 6px; }
  .exp { grid-template-columns: 1fr; gap: 6px; }
  .exp-when { padding-top: 0; }
  .about { grid-template-columns: 1fr; gap: 22px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid li { border-right: none; }
  .closer-links li { grid-template-columns: 1fr; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}