/* ═══════════════════════════════════════════════════════════════
   Claude Code Plugins · The Definitive Visual Guide
   Aesthetic: architectural blueprint / modular system, warm-ink dark
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* surfaces */
  --ink:        #0e0b09;
  --ink-2:      #15110d;
  --panel:      #1b150f;
  --panel-2:    #221a12;
  --line:       rgba(238, 219, 196, 0.12);
  --line-soft:  rgba(238, 219, 196, 0.07);

  /* type */
  --cream:      #f4ebdf;
  --cream-dim:  #d9cbb8;
  --muted:      #9c8b78;
  --faint:      #6f6052;

  /* accents */
  --clay:       #df8158;
  --clay-soft:  #ef9d73;
  --clay-glow:  rgba(223, 129, 88, 0.20);
  --sky:        #6db9c4;
  --sky-soft:   #92cdd6;
  --ok:         #88b890;
  --danger:     #e06a5a;

  --maxw: 1180px;
  --font-display: "Bricolage Grotesque", "Spline Sans", sans-serif;
  --font-body: "Spline Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* blueprint grid + warm vignette baked into the page background */
body::before {
  content: "";
  position: fixed; inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 35%, transparent 100%);
          mask-image: radial-gradient(120% 90% at 50% 0%, #000 35%, transparent 100%);
  z-index: 0; pointer-events: none;
}
body::after {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(60% 50% at 80% -10%, var(--clay-glow), transparent 70%),
    radial-gradient(50% 40% at 5% 10%, rgba(109,185,196,.10), transparent 70%);
  z-index: 0; pointer-events: none;
}

/* subtle film grain */
.grain {
  position: fixed; inset: -50%;
  z-index: 1; pointer-events: none; opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

main { position: relative; z-index: 2; }

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

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--clay); color: var(--ink); padding: .6rem 1rem; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

::selection { background: var(--clay); color: var(--ink); }

/* ───────────────────────── TOP BAR ───────────────────────── */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; gap: 1.5rem;
  padding: .85rem clamp(1rem, 4vw, 2.4rem);
  background: rgba(14, 11, 9, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
  transition: background .4s var(--ease), border-color .4s var(--ease);
}
.topbar[data-scrolled] { background: rgba(14, 11, 9, 0.9); border-color: var(--line); }

.brand { display: flex; align-items: center; gap: .65rem; }
.brand__glyph {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2px;
  width: 24px; height: 24px;
}
.brand__glyph span {
  background: var(--clay); border-radius: 2px;
  animation: blockPulse 3.2s var(--ease) infinite;
}
.brand__glyph span:nth-child(2) { background: var(--sky); animation-delay: .4s; }
.brand__glyph span:nth-child(3) { background: var(--clay-soft); animation-delay: .8s; }
.brand__glyph span:nth-child(4) { background: var(--cream-dim); animation-delay: 1.2s; }
@keyframes blockPulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.brand__text b { font-family: var(--font-mono); font-size: .92rem; font-weight: 700; letter-spacing: -.02em; }
.brand__text small { font-size: .64rem; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); }

.menu-btn {
  margin-left: auto; display: none; align-items: center; gap: .5rem;
  background: none; border: 1px solid var(--line); color: var(--cream);
  font-family: var(--font-mono); font-size: .8rem; padding: .45rem .8rem; border-radius: 8px; cursor: pointer;
}
.menu-btn i { width: 16px; height: 2px; background: currentColor; box-shadow: 0 -5px 0 currentColor, 0 5px 0 currentColor; }

.chapters {
  margin-left: auto;
  display: flex; gap: .25rem; flex-wrap: wrap;
}
.chapters a {
  font-family: var(--font-mono); font-size: .76rem; color: var(--muted);
  padding: .35rem .6rem; border-radius: 7px; transition: color .25s, background .25s;
}
.chapters a em { color: var(--clay); font-style: normal; margin-right: .2rem; }
.chapters a:hover, .chapters a.is-active { color: var(--cream); background: var(--panel); }

.scroll-progress {
  position: absolute; left: 0; bottom: -1px; height: 2px; width: var(--p, 0%);
  background: linear-gradient(90deg, var(--clay), var(--sky));
}

/* ───────────────────────── SIDE RAIL ───────────────────────── */
.rail {
  position: fixed; left: max(1rem, calc(50vw - var(--maxw)/2 - 2.5rem)); top: 50%;
  transform: translateY(-50%); z-index: 30;
  display: flex; flex-direction: column; gap: .85rem;
}
.rail a { display: flex; align-items: center; gap: .7rem; color: var(--faint); }
.rail a i {
  width: 9px; height: 9px; border-radius: 50%; border: 1.5px solid var(--faint);
  transition: all .3s var(--ease); flex: none;
}
.rail a span {
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .02em;
  opacity: 0; transform: translateX(-6px); transition: all .3s var(--ease); white-space: nowrap;
  pointer-events: none;
  padding: .3rem .6rem; border-radius: 7px; background: var(--panel-2);
  border: 1px solid var(--line); box-shadow: 0 10px 28px -12px rgba(0,0,0,.8);
}
.rail a:hover span { opacity: 1; transform: none; color: var(--cream); }
.rail a.is-active i { background: var(--clay); border-color: var(--clay); box-shadow: 0 0 0 4px var(--clay-glow); }
/* active = highlighted dot only; the label stays hover-only so it never overlaps content */
.rail a.is-active span { color: var(--clay-soft); }
.rail { z-index: 45; }
@media (max-width: 1380px) { .rail { display: none; } }

/* ───────────────────────── SECTIONS ───────────────────────── */
.chapter, .reference {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(4rem, 10vw, 8rem) clamp(1.2rem, 5vw, 2.4rem);
  position: relative;
}
.chapter + .chapter::before, .reference::before {
  content: ""; position: absolute; top: 0; left: clamp(1.2rem,5vw,2.4rem); right: clamp(1.2rem,5vw,2.4rem);
  height: 1px; background: linear-gradient(90deg, transparent, var(--line), transparent);
}

.chapter__head { display: flex; gap: clamp(1rem, 3vw, 2rem); align-items: flex-start; margin-bottom: 3rem; }
.chapter__num {
  font-family: var(--font-mono); font-size: clamp(1.4rem, 4vw, 2.4rem); font-weight: 700;
  color: var(--clay); line-height: 1; flex: none;
  -webkit-text-stroke: 1px var(--clay); color: transparent;
}
.chapter__head h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.9rem, 5.5vw, 3.4rem); line-height: 1.02; letter-spacing: -.03em;
  margin: 0 0 .6rem;
}
.chapter__sub { color: var(--muted); max-width: 56ch; margin: 0; font-size: clamp(1rem, 2.2vw, 1.12rem); }

.block-title {
  font-family: var(--font-display); font-weight: 600; font-size: 1.35rem; letter-spacing: -.02em;
  margin: 3.5rem 0 1.4rem; color: var(--cream);
}
.block-title::before { content: "▸ "; color: var(--clay); }

.lead-in { color: var(--cream-dim); font-size: 1.1rem; margin: 2.5rem 0 1.4rem; }

/* reveal animation */
[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: calc(var(--d, 0) * 70ms); }
[data-reveal].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { [data-reveal] { opacity: 1; transform: none; } }

/* ═══════════════════════════ HERO ═══════════════════════════ */
.hero {
  position: relative; min-height: 100vh; overflow: hidden;
  display: flex; align-items: center;
  padding: clamp(6rem, 12vh, 9rem) clamp(1.2rem, 5vw, 2.4rem) 4rem;
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  -webkit-mask-image: radial-gradient(90% 80% at 60% 40%, #000, transparent 75%);
          mask-image: radial-gradient(90% 80% at 60% 40%, #000, transparent 75%);
  opacity: .5;
}
.hero__orbs span {
  position: absolute; border-radius: 50%; filter: blur(70px);
  animation: float 14s ease-in-out infinite;
}
.hero__orbs span:nth-child(1) { width: 460px; height: 460px; background: var(--clay-glow); top: -8%; right: -6%; }
.hero__orbs span:nth-child(2) { width: 380px; height: 380px; background: rgba(109,185,196,.16); bottom: -10%; left: -8%; animation-delay: -6s; }
@keyframes float { 0%,100% { transform: translate(0,0); } 50% { transform: translate(-30px, 30px); } }

.hero__inner { position: relative; z-index: 3; max-width: 880px; margin: 0 auto; width: 100%; }

.kicker {
  font-family: var(--font-mono); font-size: .8rem; letter-spacing: .26em; text-transform: uppercase;
  color: var(--clay); margin: 0 0 1.6rem; display: flex; align-items: center; gap: .8rem;
}
.kicker::before { content: ""; width: 36px; height: 1px; background: var(--clay); }

.hero__title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.9rem, 9vw, 6.4rem); line-height: .95; letter-spacing: -.04em;
  margin: 0 0 1.6rem;
}
.hero__title-em {
  display: block; font-style: italic; font-weight: 700;
  background: linear-gradient(100deg, var(--clay-soft), var(--clay) 40%, var(--sky-soft));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero__lede { font-size: clamp(1.05rem, 2.6vw, 1.3rem); color: var(--cream-dim); max-width: 60ch; margin: 0 0 2.4rem; }

.hero__terminal {
  background: linear-gradient(180deg, var(--panel), var(--ink-2));
  border: 1px solid var(--line); border-radius: 14px; overflow: hidden; max-width: 620px;
  box-shadow: 0 30px 70px -30px rgba(0,0,0,.8), inset 0 1px 0 rgba(255,255,255,.04);
}
.term__bar, .codeblock__bar, .filetree__bar {
  display: flex; align-items: center; gap: .45rem; padding: .7rem 1rem;
  background: rgba(0,0,0,.25); border-bottom: 1px solid var(--line-soft);
}
.term__bar i, .codeblock__bar i, .filetree__bar i { width: 11px; height: 11px; border-radius: 50%; background: var(--faint); }
.term__bar i:first-child { background: #e0685a; }
.term__bar i:nth-child(2) { background: #e0a95a; }
.term__bar i:nth-child(3) { background: #88b890; }
.term__bar span, .codeblock__bar span, .filetree__bar span {
  margin-left: auto; font-family: var(--font-mono); font-size: .72rem; color: var(--muted);
}
.term__body { margin: 0; padding: 1.1rem 1.2rem; font-family: var(--font-mono); font-size: .85rem; line-height: 1.7; overflow-x: auto; }
.t-prompt { color: var(--sky); } .t-cmd { color: var(--clay-soft); } .t-arg { color: var(--cream); }
.t-ok { color: var(--ok); } .t-dim { color: var(--muted); }

.hero__meta { display: flex; gap: 2.2rem; margin-top: 2.2rem; flex-wrap: wrap; }
.hero__meta span { font-family: var(--font-mono); font-size: .82rem; color: var(--muted); }
.hero__meta b { color: var(--clay); font-size: 1.5rem; margin-right: .4rem; }

.hero__blocks { position: absolute; inset: 0; z-index: 2; pointer-events: none; }
.fb {
  position: absolute; font-family: var(--font-mono); font-size: .74rem; color: var(--cream-dim);
  padding: .4rem .75rem; border: 1px solid var(--line); border-radius: 8px;
  background: rgba(27,21,15,.6); backdrop-filter: blur(6px);
  animation: drift 12s ease-in-out infinite;
}
.fb::before { content: "▪ "; color: var(--clay); }
.fb--1 { top: 16%; right: 8%;  animation-delay: 0s; }
.fb--2 { top: 30%; right: 20%; animation-delay: -2s; color: var(--sky-soft); }
.fb--3 { top: 52%; right: 5%;  animation-delay: -4s; }
.fb--4 { top: 68%; right: 16%; animation-delay: -6s; }
.fb--5 { top: 22%; left: 3%;   animation-delay: -8s; }
.fb--6 { bottom: 16%; left: 7%; animation-delay: -10s; }
@keyframes drift { 0%,100% { transform: translateY(0) rotate(-1deg); } 50% { transform: translateY(-16px) rotate(1deg); } }
@media (max-width: 1100px) { .hero__blocks { display: none; } }

.hero__scroll {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: .6rem;
  font-family: var(--font-mono); font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted);
}
.hero__scroll i { width: 1px; height: 34px; background: linear-gradient(var(--clay), transparent); animation: scrollPulse 2s ease-in-out infinite; }
@keyframes scrollPulse { 0%,100% { opacity: .3; transform: scaleY(.6); } 50% { opacity: 1; transform: scaleY(1); } }

/* ═══════════════ §1 MENTAL MODEL ═══════════════ */
.mentalmodel {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: stretch; gap: 0;
  border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  background: linear-gradient(180deg, var(--panel), var(--ink-2));
  margin-bottom: 1rem;
}
.mentalmodel__side { padding: clamp(1.8rem, 4vw, 3rem); display: flex; flex-direction: column; gap: .35rem; }
.mentalmodel__side--apps { background: rgba(223,129,88,.06); }
.mentalmodel__label { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.mentalmodel__side strong { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.6rem, 4vw, 2.6rem); letter-spacing: -.03em; }
.mentalmodel__side--os strong { color: var(--sky-soft); }
.mentalmodel__side--apps strong { color: var(--clay-soft); }
.mentalmodel__side p { margin: 0; color: var(--muted); }
.mentalmodel__op { display: grid; place-items: center; font-family: var(--font-mono); font-size: 2rem; color: var(--faint); padding: 0 1.2rem; border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.mentalmodel__note { grid-column: 1 / -1; border-top: 1px solid var(--line); margin: 0; padding: 1.3rem clamp(1.8rem,4vw,3rem); color: var(--cream-dim); font-size: 1.02rem; }
.mentalmodel__note em { color: var(--clay-soft); font-style: normal; font-weight: 600; }
@media (max-width: 680px) {
  .mentalmodel { grid-template-columns: 1fr; }
  .mentalmodel__op { border: none; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: .6rem; }
}

/* capability grid */
.capgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 3.5rem; }
@media (max-width: 820px) { .capgrid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .capgrid { grid-template-columns: 1fr; } }
.capcard {
  border: 1px solid var(--line); border-radius: 14px; padding: 1.5rem;
  background: var(--panel); transition: transform .35s var(--ease), border-color .35s, background .35s;
}
.capcard:hover { transform: translateY(-5px); border-color: var(--clay); background: var(--panel-2); }
.capcard__ico { width: 38px; height: 38px; display: block; margin-bottom: 1rem; border-radius: 9px; background: var(--clay-glow); position: relative; }
.capcard__ico::after {
  content: ""; position: absolute; inset: 9px; border: 2px solid var(--clay); border-radius: 4px;
}
.capcard[data-ico="agent"] .capcard__ico::after { border-radius: 50%; }
.capcard[data-ico="hook"] .capcard__ico::after { border-radius: 4px 4px 50% 50%; border-top: none; border-left: 2px solid var(--clay); }
.capcard[data-ico="mcp"] .capcard__ico::after { inset: 9px; border-style: dashed; }
.capcard[data-ico="lsp"] .capcard__ico::after { inset: 11px 9px; border-width: 2px 0; }
.capcard[data-ico="monitor"] .capcard__ico::after { border-radius: 50% 50% 4px 4px; }
.capcard h3 { font-family: var(--font-display); font-size: 1.2rem; margin: 0 0 .4rem; letter-spacing: -.02em; }
.capcard p { margin: 0; color: var(--muted); font-size: .95rem; }

/* versus */
.versus { border: 1px solid var(--line); border-radius: 18px; padding: clamp(1.5rem,4vw,2.5rem); background: linear-gradient(180deg, var(--ink-2), var(--ink)); }
.versus__title { font-family: var(--font-display); font-size: 1.5rem; margin: 0 0 1.6rem; text-align: center; }
.versus__title span { color: var(--clay); font-style: italic; }
.versus__cols { display: grid; grid-template-columns: 1fr auto 1fr; gap: 0; align-items: center; }
.versus__col header { display: flex; flex-direction: column; gap: .3rem; margin-bottom: 1rem; }
.versus__col header b { font-family: var(--font-display); font-size: 1.2rem; }
.versus__col header code, .versus__col li code { font-family: var(--font-mono); font-size: .8rem; color: var(--clay-soft); }
.versus__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .7rem; }
.versus__col li { color: var(--cream-dim); font-size: .95rem; padding-left: 1.2rem; position: relative; }
.versus__col li::before { content: "·"; position: absolute; left: 0; color: var(--clay); }
.versus__col--hi { padding: 1.2rem; border-radius: 12px; background: rgba(223,129,88,.06); border: 1px solid rgba(223,129,88,.2); }
.versus__divider { padding: 0 1.5rem; text-align: center; }
.versus__divider span { font-family: var(--font-mono); font-size: .72rem; color: var(--muted); line-height: 1.6; }
.versus__divider em { color: var(--clay-soft); font-style: normal; }
@media (max-width: 760px) {
  .versus__cols { grid-template-columns: 1fr; gap: 1.4rem; }
  .versus__divider { padding: .8rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
}

/* ═══════════════ §2 BUILDING BLOCKS ═══════════════ */
.blocks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-bottom: 3.5rem; }
@media (max-width: 900px) { .blocks { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .blocks { grid-template-columns: 1fr; } }
.block {
  border: 1px solid var(--line); border-radius: 14px; padding: 1.4rem; background: var(--panel);
  position: relative; overflow: hidden; transition: border-color .3s, transform .3s var(--ease);
}
.block::after { content: ""; position: absolute; left: 0; top: 0; width: 3px; height: 0; background: var(--clay); transition: height .35s var(--ease); }
.block:hover { transform: translateY(-4px); border-color: var(--line); }
.block:hover::after { height: 100%; }
.block header { margin-bottom: .8rem; }
.block__n { font-family: var(--font-mono); font-size: .72rem; color: var(--clay); }
.block header h3 { font-family: var(--font-display); font-size: 1.18rem; margin: .25rem 0 .3rem; letter-spacing: -.02em; }
.block header code { font-family: var(--font-mono); font-size: .72rem; color: var(--sky-soft); word-break: break-all; }
.block p { margin: 0; color: var(--muted); font-size: .92rem; }
.block b { color: var(--cream-dim); font-weight: 600; }
.block p code, .block header h3 code { font-family: var(--font-mono); font-size: .85em; color: var(--clay-soft); }

.mini { margin: .8rem 0 0; padding: .8rem .9rem; background: var(--ink); border: 1px solid var(--line-soft); border-radius: 8px; font-family: var(--font-mono); font-size: .76rem; line-height: 1.6; overflow-x: auto; }
.mini .k { color: var(--sky-soft); } .mini .s { color: var(--clay-soft); }

/* file tree + warning */
.treewrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: 1.4rem; align-items: start; }
@media (max-width: 820px) { .treewrap { grid-template-columns: 1fr; } }
.filetree { background: var(--ink-2); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.filetree pre { margin: 0; padding: 1.2rem 1.3rem; font-family: var(--font-mono); font-size: .82rem; line-height: 1.85; overflow-x: auto; }
.filetree .dir { color: var(--sky-soft); }
.filetree .file { color: var(--cream-dim); }
.filetree .file.hl { color: var(--clay-soft); font-weight: 700; }
.filetree .cmt { color: var(--faint); }
.warn { border: 1px solid rgba(224,106,90,.35); background: rgba(224,106,90,.07); border-radius: 14px; padding: 1.4rem 1.5rem; }
.warn__tag { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--danger); display: block; margin-bottom: .7rem; }
.warn p { margin: 0; color: var(--cream-dim); font-size: .96rem; }
.warn code { font-family: var(--font-mono); font-size: .85em; color: var(--clay-soft); }
.warn b { color: var(--cream); }

/* ═══════════════ §3 LIFECYCLE ═══════════════ */
.sequence { list-style: none; margin: 0 0 1rem; padding: 0; display: grid; gap: .6rem; }
.sequence li { display: flex; align-items: center; gap: 1.1rem; border: 1px solid var(--line); border-radius: 12px; padding: 1rem 1.3rem; background: var(--panel); position: relative; }
.sequence__n { font-family: var(--font-mono); font-weight: 700; color: var(--ink); background: var(--clay); width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; flex: none; font-size: .9rem; }
.sequence li p { margin: 0; color: var(--cream-dim); }
.sequence li b { color: var(--clay-soft); font-weight: 600; }

.twopaths { display: grid; grid-template-columns: 1fr 1.4fr; gap: 1rem; margin-bottom: 1rem; }
@media (max-width: 760px) { .twopaths { grid-template-columns: 1fr; } }
.path { border: 1px solid var(--line); border-radius: 14px; padding: 1.5rem; background: var(--panel); }
.path--auto { background: linear-gradient(180deg, rgba(223,129,88,.07), var(--panel)); border-color: rgba(223,129,88,.25); }
.path__tag { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--clay); }
.path h4 { font-family: var(--font-display); font-size: 1.25rem; margin: .4rem 0 .8rem; letter-spacing: -.02em; }
.path p { margin: .5rem 0 0; color: var(--muted); }
.path__code { display: inline-block; font-family: var(--font-mono); font-size: .85rem; color: var(--sky-soft); background: var(--ink); padding: .5rem .8rem; border-radius: 8px; border: 1px solid var(--line-soft); }
.path__compare { display: grid; gap: .6rem; margin-top: 1rem; }
.path__weak, .path__strong { font-size: .88rem; padding: .7rem .9rem; border-radius: 9px; }
.path__weak { background: rgba(224,106,90,.07); border: 1px solid rgba(224,106,90,.25); color: var(--cream-dim); }
.path__strong { background: rgba(136,184,144,.07); border: 1px solid rgba(136,184,144,.25); color: var(--cream-dim); }
.path__weak b, .path__strong b { font-family: var(--font-mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; margin-right: .5rem; }
.path__weak b { color: var(--danger); } .path__strong b { color: var(--ok); }

.hookflow { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.4rem; }
.hf__node { font-family: var(--font-mono); font-size: .82rem; padding: .7rem 1rem; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--cream-dim); }
.hf__node--pre { border-color: rgba(109,185,196,.4); color: var(--sky-soft); }
.hf__node--post { border-color: rgba(109,185,196,.4); color: var(--sky-soft); }
.hf__node--tool { border-color: var(--clay); color: var(--clay-soft); background: rgba(223,129,88,.08); }
.hf__arrow { width: 22px; height: 2px; background: var(--faint); position: relative; flex: none; }
.hf__arrow::after { content: ""; position: absolute; right: -1px; top: -3px; border: 4px solid transparent; border-left-color: var(--faint); }
@media (max-width: 760px) {
  .hookflow { flex-direction: column; align-items: stretch; }
  .hf__node { text-align: center; }
  .hf__arrow { width: 2px; height: 18px; align-self: center; }
  .hf__arrow::after { right: -3px; top: auto; bottom: -1px; border: 4px solid transparent; border-top-color: var(--faint); border-left-color: transparent; }
}
.hookreturns { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.6rem; padding: 1.2rem 1.4rem; border: 1px dashed var(--line); border-radius: 12px; margin-bottom: 1rem; }
.hookreturns > span { color: var(--cream-dim); font-weight: 500; }
.hookreturns ul { display: flex; flex-wrap: wrap; gap: 1.4rem; list-style: none; margin: 0; padding: 0; }
.hookreturns li { color: var(--muted); font-size: .92rem; }
.ec { font-family: var(--font-mono); font-size: .82rem; margin-right: .4rem; padding: .15rem .45rem; border-radius: 5px; }
.ec--ok { color: var(--ok); background: rgba(136,184,144,.12); }
.ec--no { color: var(--danger); background: rgba(224,106,90,.12); }
.ec--json { color: var(--sky-soft); background: rgba(109,185,196,.12); }

.twoup { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 660px) { .twoup { grid-template-columns: 1fr; } }
.note-card { border: 1px solid var(--line); border-left: 3px solid var(--clay); border-radius: 0 12px 12px 0; padding: 1.4rem; background: var(--panel); }
.note-card h4 { font-family: var(--font-display); margin: 0 0 .5rem; font-size: 1.15rem; }
.note-card p { margin: 0; color: var(--muted); font-size: .94rem; }
.note-card code { font-family: var(--font-mono); font-size: .85em; color: var(--clay-soft); }

/* ═══════════════ §4 DECISION ═══════════════ */
.decide { border: 1px solid var(--line); border-radius: 18px; padding: clamp(1.6rem,4vw,2.4rem); background: linear-gradient(180deg, var(--panel), var(--ink-2)); margin-bottom: 1.4rem; }
.decide h3 { font-family: var(--font-display); font-size: 1.6rem; margin: 0 0 .4rem; }
.decide__hint { color: var(--muted); margin: 0 0 1.4rem; }
.decide__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
@media (max-width: 660px) { .decide__list { grid-template-columns: 1fr; } }
.decide__list li { display: flex; align-items: center; gap: .9rem; padding: .9rem 1.1rem; border-radius: 10px; font-weight: 500; }
.decide__list .yes { background: rgba(136,184,144,.07); border: 1px solid rgba(136,184,144,.22); color: var(--cream-dim); }
.decide__list .no { background: rgba(224,106,90,.07); border: 1px solid rgba(224,106,90,.22); color: var(--cream-dim); }
.decide__list i { width: 22px; height: 22px; border-radius: 6px; flex: none; display: grid; place-items: center; position: relative; }
.decide__list .yes i { background: var(--ok); }
.decide__list .yes i::after { content: "✓"; color: var(--ink); font-weight: 700; font-size: .8rem; }
.decide__list .no i { background: var(--danger); }
.decide__list .no i::after { content: "✕"; color: var(--ink); font-weight: 700; font-size: .8rem; }

.consider { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 820px) { .consider { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 520px) { .consider { grid-template-columns: 1fr; } }
.consider article { border: 1px solid var(--line); border-radius: 14px; padding: 1.4rem; background: var(--panel); transition: border-color .3s, transform .3s; }
.consider article:hover { transform: translateY(-4px); border-color: var(--clay); }
.consider span { font-family: var(--font-mono); font-size: .72rem; color: var(--clay); }
.consider h4 { font-family: var(--font-display); font-size: 1.18rem; margin: .3rem 0 .5rem; }
.consider p { margin: 0; color: var(--muted); font-size: .92rem; }
.consider code { font-family: var(--font-mono); font-size: .85em; color: var(--clay-soft); }

/* ═══════════════ §5 WHY ═══════════════ */
.why { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 860px) { .why { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 520px) { .why { grid-template-columns: 1fr; } }
.why article { border: 1px solid var(--line); border-radius: 14px; padding: 1.6rem; background: var(--panel); position: relative; overflow: hidden; }
.why article b { font-family: var(--font-mono); font-size: 2.4rem; font-weight: 700; color: transparent; -webkit-text-stroke: 1px var(--line); display: block; line-height: 1; margin-bottom: .8rem; transition: -webkit-text-stroke-color .3s; }
.why article:hover b { -webkit-text-stroke-color: var(--clay); }
.why article h4 { font-family: var(--font-display); font-size: 1.2rem; margin: 0 0 .5rem; letter-spacing: -.02em; }
.why article p { margin: 0; color: var(--muted); font-size: .94rem; }
.why--wide { grid-column: span 1; background: linear-gradient(135deg, rgba(223,129,88,.08), var(--panel)); border-color: rgba(223,129,88,.25); }
@media (min-width: 861px) { .why--wide { grid-column: span 3; display: grid; grid-template-columns: auto 1fr; gap: 0 2rem; align-items: center; } .why--wide b { margin: 0; } }

/* ═══════════════ §6 ORCHESTRATOR ═══════════════ */
.orchestrator { display: grid; grid-template-columns: auto 1fr; gap: clamp(1rem, 4vw, 3rem); align-items: center; border: 1px solid var(--line); border-radius: 18px; padding: clamp(1.8rem,4vw,3rem); background: radial-gradient(120% 120% at 0% 50%, rgba(109,185,196,.08), var(--ink-2)); margin-bottom: 2.5rem; }
@media (max-width: 760px) { .orchestrator { grid-template-columns: 1fr; } }
.orch__core { text-align: center; padding: 1.8rem 2rem; border: 1px solid var(--clay); border-radius: 16px; background: rgba(223,129,88,.08); box-shadow: 0 0 50px -10px var(--clay-glow); }
.orch__core span { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.orch__core strong { display: block; font-family: var(--font-display); font-size: 1.5rem; margin-top: .4rem; color: var(--clay-soft); letter-spacing: -.02em; }
.orch__branches { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
@media (max-width: 480px) { .orch__branches { grid-template-columns: 1fr; } }
.orch__branch { display: flex; align-items: center; gap: .8rem; }
.orch__line { flex: none; width: 24px; height: 1px; background: linear-gradient(90deg, var(--clay), transparent); }
.orch__leaf { border: 1px solid var(--line); border-radius: 10px; padding: .8rem 1rem; background: var(--panel); flex: 1; }
.orch__leaf b { font-family: var(--font-display); display: block; margin-bottom: .15rem; }
.orch__leaf p { margin: 0; color: var(--muted); font-size: .82rem; }

.interplay { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
@media (max-width: 660px) { .interplay { grid-template-columns: 1fr; } }
.interplay article { border: 1px solid var(--line); border-radius: 14px; padding: 1.5rem; background: var(--panel); }
.interplay h4 { font-family: var(--font-display); font-size: 1.2rem; margin: 0 0 .5rem; }
.interplay p { margin: 0; color: var(--muted); font-size: .94rem; }
.interplay b { color: var(--cream-dim); } .interplay code { font-family: var(--font-mono); font-size: .85em; color: var(--clay-soft); }

/* ═══════════════ §7 SECURITY ═══════════════ */
.chapter--danger .chapter__num { -webkit-text-stroke-color: var(--danger); }
.chapter--danger .chapter__head h2::after { content: " ⚠"; color: var(--danger); -webkit-text-stroke: 0; }
.secrow { display: grid; grid-template-columns: 1.2fr 1fr; gap: 1.6rem; align-items: start; }
@media (max-width: 820px) { .secrow { grid-template-columns: 1fr; } }
.trust > p { color: var(--muted); margin: 0 0 1.4rem; }
.trust em { color: var(--cream-dim); font-style: normal; }
.pyramid { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.pyramid__tier { width: var(--w); text-align: center; padding: .7rem; border-radius: 8px; font-family: var(--font-mono); font-size: .8rem; color: var(--ink); font-weight: 600;
  background: linear-gradient(180deg, var(--clay-soft), var(--clay)); }
.pyramid__tier:nth-child(1) { background: var(--sky); }
.pyramid__tier:nth-child(2) { background: linear-gradient(180deg, var(--sky-soft), var(--sky)); }
.pyramid__base { margin-top: .7rem; font-size: .85rem; color: var(--danger); text-align: center; max-width: 38ch; }
.cves h3 { margin-top: 0; }
.cve { border: 1px solid rgba(224,106,90,.3); border-radius: 12px; padding: 1.2rem 1.3rem; background: rgba(224,106,90,.06); margin-bottom: .8rem; }
.cve__id { font-family: var(--font-mono); font-size: .82rem; font-weight: 700; color: var(--danger); display: block; margin-bottom: .4rem; }
.cve p { margin: 0; color: var(--cream-dim); font-size: .92rem; }

.lp { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.6rem; }
@media (max-width: 820px) { .lp { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 460px) { .lp { grid-template-columns: 1fr; } }
.lp article { border: 1px solid var(--line); border-radius: 12px; padding: 1.3rem; background: var(--panel); }
.lp h4 { font-family: var(--font-display); font-size: 1.1rem; margin: 0 0 .5rem; display: flex; flex-direction: column; gap: .3rem; }
.lp h4 span { font-family: var(--font-mono); font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; color: var(--danger); }
.lp p { margin: 0; color: var(--muted); font-size: .88rem; }
.lp code { font-family: var(--font-mono); font-size: .82em; color: var(--clay-soft); }
.lp--danger { border-color: rgba(224,106,90,.35); background: rgba(224,106,90,.06); }

/* code block */
.codeblock { margin: 0 0 2rem; background: var(--ink-2); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.codeblock--danger { border-color: rgba(224,106,90,.3); }
.codeblock code { display: block; padding: 1.2rem 1.4rem; font-family: var(--font-mono); font-size: .84rem; line-height: 1.8; overflow-x: auto; }
.codeblock .cmt { color: var(--faint); } .codeblock .s { color: var(--clay-soft); } .codeblock .kw { color: var(--sky-soft); }

.checklist { border: 1px solid var(--line); border-radius: 18px; padding: clamp(1.6rem,4vw,2.4rem); background: linear-gradient(180deg, var(--panel), var(--ink-2)); }
.checklist h3 { font-family: var(--font-display); font-size: 1.5rem; margin: 0 0 1.3rem; }
.checklist ul { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 2.5rem; }
@media (max-width: 660px) { .checklist ul { columns: 1; } }
.checklist li { break-inside: avoid; padding: .6rem 0 .6rem 2rem; position: relative; color: var(--cream-dim); border-bottom: 1px solid var(--line-soft); }
.checklist li::before { content: ""; position: absolute; left: 0; top: .7rem; width: 18px; height: 18px; border: 1.5px solid var(--ok); border-radius: 5px; }
.checklist li::after { content: "✓"; position: absolute; left: 4px; top: .55rem; color: var(--ok); font-weight: 700; font-size: .85rem; }
.checklist code { font-family: var(--font-mono); font-size: .85em; color: var(--clay-soft); }

/* ═══════════════ §8 WORKFLOWS ═══════════════ */
.beforeafter { display: grid; grid-template-columns: 1fr auto 1fr; gap: 1.2rem; align-items: stretch; margin-bottom: 1rem; }
@media (max-width: 820px) { .beforeafter { grid-template-columns: 1fr; } .ba__arrow { transform: rotate(90deg); } }
.ba { border: 1px solid var(--line); border-radius: 16px; padding: 1.5rem; }
.ba--before { background: rgba(224,106,90,.05); border-color: rgba(224,106,90,.2); }
.ba--after { background: rgba(136,184,144,.05); border-color: rgba(136,184,144,.25); }
.ba header { display: flex; flex-direction: column; gap: .25rem; margin-bottom: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line-soft); }
.ba header span { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.ba--before header b { color: var(--danger); } .ba--after header b { color: var(--ok); }
.ba header b { font-family: var(--font-display); font-size: 1.3rem; }
.ba ol, .ba ul { margin: 0; padding-left: 1.2rem; display: grid; gap: .5rem; color: var(--cream-dim); font-size: .92rem; }
.ba ul { list-style: none; padding-left: 0; }
.ba ul li { padding-left: 1.3rem; position: relative; }
.ba ul li::before { content: "→"; position: absolute; left: 0; color: var(--ok); }
.ba ul li i { font-family: var(--font-mono); font-style: normal; color: var(--clay-soft); }
.ba__cmd { display: block; font-family: var(--font-mono); font-size: .85rem; color: var(--sky-soft); background: var(--ink); padding: .7rem .9rem; border-radius: 9px; margin-bottom: 1rem; border: 1px solid var(--line-soft); }
.ba__arrow { display: grid; place-items: center; font-size: 1.8rem; color: var(--clay); }

.patterns { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.6rem; }
@media (max-width: 820px) { .patterns { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 460px) { .patterns { grid-template-columns: 1fr; } }
.pattern { border: 1px solid var(--line); border-radius: 14px; padding: 1.5rem; background: var(--panel); position: relative; transition: transform .3s, border-color .3s; }
.pattern:hover { transform: translateY(-5px); border-color: var(--clay); }
.pattern__n { font-family: var(--font-mono); font-size: .8rem; font-weight: 700; color: var(--ink); background: var(--clay); padding: .25rem .55rem; border-radius: 6px; }
.pattern h4 { font-family: var(--font-display); font-size: 1.15rem; margin: 1rem 0 .5rem; letter-spacing: -.02em; }
.pattern p { margin: 0; color: var(--muted); font-size: .9rem; }

.glue { border: 1px solid var(--line); border-left: 3px solid var(--clay); border-radius: 0 14px 14px 0; padding: 1.6rem 1.8rem; background: linear-gradient(90deg, rgba(223,129,88,.07), var(--panel)); }
.glue h4 { font-family: var(--font-display); font-size: 1.3rem; margin: 0 0 .6rem; }
.glue p { margin: 0; color: var(--cream-dim); }
.glue b { color: var(--clay-soft); }

/* ═══════════════ §9 PRINCIPLES ═══════════════ */
.principles { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; }
@media (max-width: 700px) { .principles { grid-template-columns: 1fr; } }
.principles article { display: grid; grid-template-columns: auto 1fr; gap: 0 1.1rem; align-items: baseline; border: 1px solid var(--line); border-radius: 12px; padding: 1.2rem 1.4rem; background: var(--panel); transition: border-color .3s; }
.principles article:hover { border-color: var(--clay); }
.principles span { font-family: var(--font-mono); font-size: .78rem; color: var(--clay); grid-row: span 2; }
.principles h4 { font-family: var(--font-display); font-size: 1.12rem; margin: 0 0 .3rem; }
.principles p { margin: 0; color: var(--muted); font-size: .9rem; }
.principles code { font-family: var(--font-mono); font-size: .85em; color: var(--clay-soft); }

/* ═══════════════ §10 BEYOND ═══════════════ */
.chapter--beyond { background: radial-gradient(100% 60% at 50% 0%, rgba(223,129,88,.05), transparent 70%); border-radius: 24px; }
.beyond { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 860px) { .beyond { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 520px) { .beyond { grid-template-columns: 1fr; } }
.beyond__feature { grid-column: 1 / -1; border: 1px solid rgba(223,129,88,.3); border-radius: 18px; padding: clamp(1.6rem,4vw,2.6rem); background: linear-gradient(120deg, rgba(223,129,88,.1), var(--ink-2)); }
.beyond__tag { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--clay); }
.beyond__feature h3 { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.5rem, 4vw, 2.2rem); margin: .6rem 0 .8rem; letter-spacing: -.03em; }
.beyond__feature p { margin: 0; color: var(--cream-dim); max-width: 70ch; }
.beyond__feature em { color: var(--clay-soft); font-style: italic; }
.beyond__feature b { color: var(--cream); }
.beyond article:not(.beyond__feature) { border: 1px solid var(--line); border-radius: 14px; padding: 1.4rem; background: var(--panel); transition: transform .3s, border-color .3s; }
.beyond article:not(.beyond__feature):hover { transform: translateY(-4px); border-color: var(--clay); }
.beyond article b { font-family: var(--font-mono); font-size: .74rem; color: var(--clay); }
.beyond article h4 { font-family: var(--font-display); font-size: 1.12rem; margin: .4rem 0 .5rem; letter-spacing: -.02em; }
.beyond article p { margin: 0; color: var(--muted); font-size: .9rem; }
.beyond article code { font-family: var(--font-mono); font-size: .85em; color: var(--clay-soft); }

/* ═══════════════ QUICK REFERENCE ═══════════════ */
.reference { max-width: var(--maxw); margin: 0 auto; }
.refgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 820px) { .refgrid { grid-template-columns: 1fr; } }
.refcard { border: 1px solid var(--line); border-radius: 16px; padding: 1.6rem; background: var(--panel); }
.refcard h3 { font-family: var(--font-display); font-size: 1.3rem; margin: 0 0 1.1rem; padding-bottom: .7rem; border-bottom: 1px solid var(--line); }
.refcard dl { margin: 0; display: grid; gap: .7rem; }
.refcard dl div { display: flex; flex-direction: column; gap: .15rem; }
.refcard dt code { font-family: var(--font-mono); font-size: .78rem; color: var(--clay-soft); word-break: break-all; }
.refcard dd { margin: 0; color: var(--muted); font-size: .85rem; }
.refcard--term pre { margin: 0; font-family: var(--font-mono); font-size: .8rem; line-height: 1.9; color: var(--cream-dim); overflow-x: auto; }
.refcard--term .cmt { color: var(--faint); }

/* ═══════════════ FOOTER ═══════════════ */
.foot { max-width: var(--maxw); margin: 0 auto; padding: 4rem clamp(1.2rem,5vw,2.4rem) 3rem; border-top: 1px solid var(--line); position: relative; z-index: 2; }
.foot__top { display: grid; grid-template-columns: auto 1fr; gap: clamp(1.5rem, 5vw, 4rem); align-items: center; margin-bottom: 2rem; }
@media (max-width: 660px) { .foot__top { grid-template-columns: 1fr; } }
.foot__top p { margin: 0; color: var(--muted); max-width: 60ch; }
.foot__links { display: flex; flex-wrap: wrap; gap: 1.5rem; padding: 1.5rem 0; border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.foot__links a { font-family: var(--font-mono); font-size: .82rem; color: var(--clay-soft); transition: color .25s; }
.foot__links a:hover { color: var(--cream); }
.foot__legal { margin: 1.5rem 0 0; font-size: .78rem; color: var(--faint); }

/* ═══════════════════════════════════════════════════════════════
   ANIMATED CHAPTER DIAGRAMS · one looping scene per chapter
   ═══════════════════════════════════════════════════════════════ */
.scene { margin: 0 0 2.8rem; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: linear-gradient(180deg, var(--ink-2), var(--ink)); }
.scene__tag { display: block; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--clay); padding: 1.1rem 1.4rem .1rem; }
.scene__tag::before { content: "◆ "; }
.scene__stage {
  position: relative; height: clamp(240px, 36vw, 310px); margin: .8rem 1.4rem; border: 1px solid var(--line-soft); border-radius: 12px; overflow: hidden;
  background-image: linear-gradient(var(--line-soft) 1px, transparent 1px), linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 30px 30px;
}
.scene figcaption { padding: .3rem 1.4rem 1.3rem; color: var(--muted); font-size: .92rem; max-width: 70ch; }
.scene figcaption b { color: var(--clay-soft); font-weight: 600; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Scene 1 · capabilities light up ── */
.sc1 { display: grid; place-items: center; }
.sc1__core { position: relative; z-index: 2; width: 116px; height: 116px; border-radius: 24px; border: 1px solid var(--clay); background: rgba(223,129,88,.1); display: grid; place-items: center; text-align: center; font-family: var(--font-display); font-weight: 600; line-height: 1.05; color: var(--clay-soft); box-shadow: 0 0 50px -8px var(--clay-glow); }
.sc1__core::after { content: ""; position: absolute; inset: -7px; border-radius: 28px; border: 1px dashed var(--line); animation: spin 20s linear infinite; }
.sc1__nodes { position: absolute; inset: 0; }
.sc1__nodes span {
  position: absolute; top: 50%; left: 50%; font-family: var(--font-mono); font-size: .72rem; color: var(--muted);
  padding: .3rem .6rem; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); white-space: nowrap;
  --r: 122px; transform: translate(-50%,-50%) rotate(calc(var(--i) * 60deg)) translateX(var(--r)) rotate(calc(var(--i) * -60deg));
  animation: sc1pulse 3.8s var(--ease) infinite; animation-delay: calc(var(--i) * .55s);
}
@keyframes sc1pulse { 0%,72%,100% { color: var(--muted); border-color: var(--line); box-shadow: none; } 10%,28% { color: var(--clay-soft); border-color: var(--clay); box-shadow: 0 0 18px -5px var(--clay-glow); } }
@media (max-width: 560px) { .sc1__nodes span { --r: 96px; font-size: .62rem; padding: .25rem .45rem; } .sc1__core { width: 94px; height: 94px; } }

/* ── Scene 2 · components assemble ── */
.sc2 { display: grid; place-items: center; }
.sc2__grid { display: grid; grid-template-columns: repeat(3, 92px); grid-auto-rows: 52px; gap: 10px; }
.sc2__grid span { display: grid; place-items: center; font-family: var(--font-mono); font-size: .64rem; color: var(--muted); border: 1px solid var(--line); border-radius: 9px; background: var(--panel); text-align: center; animation: sc2on 4.8s var(--ease) infinite; animation-delay: calc(var(--i) * .26s); }
@keyframes sc2on {
  0%,5% { opacity: .2; transform: translateY(10px) scale(.92); border-color: var(--line); color: var(--faint); }
  14%,74% { opacity: 1; transform: none; border-color: var(--clay); color: var(--clay-soft); box-shadow: 0 0 16px -6px var(--clay-glow); }
  88%,100% { opacity: .5; transform: none; border-color: var(--line); color: var(--muted); box-shadow: none; }
}
@media (max-width: 560px) { .sc2__grid { grid-template-columns: repeat(3, 74px); grid-auto-rows: 44px; } .sc2__grid span { font-size: .56rem; } }

/* ── Scene 3 · activation sequence ── */
.sc3 { display: grid; place-items: center; }
.sc3__track { display: flex; gap: 9px; position: relative; z-index: 2; flex-wrap: wrap; justify-content: center; padding: 0 1rem; }
.sc3__track span { font-family: var(--font-mono); font-size: .7rem; color: var(--muted); padding: .5rem .7rem; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); animation: sc3on 4.9s var(--ease) infinite; animation-delay: calc(var(--i) * .52s); }
@keyframes sc3on { 0%,4% { color: var(--muted); border-color: var(--line); box-shadow: none; } 10%,86% { color: var(--ok); border-color: rgba(136,184,144,.5); box-shadow: 0 0 14px -6px rgba(136,184,144,.6); } 94%,100% { color: var(--muted); border-color: var(--line); } }
.sc3__loader { position: absolute; top: 14%; bottom: 14%; width: 3px; border-radius: 3px; background: linear-gradient(var(--clay), transparent); box-shadow: 0 0 26px 5px var(--clay-glow); opacity: 0; animation: sc3sweep 4.9s linear infinite; }
@keyframes sc3sweep { 0% { left: 5%; opacity: 0; } 8% { opacity: 1; } 86% { left: 93%; opacity: 1; } 92%,100% { left: 93%; opacity: 0; } }

/* ── Scene 4 · plugin vs standalone decision ── */
.sc4 { font-family: var(--font-mono); }
.sc4__wires { position: absolute; inset: 0; width: 100%; height: 100%; }
.sc4__wires line { stroke: var(--line); stroke-width: 1; vector-effect: non-scaling-stroke; }
.sc4 > div { position: absolute; transform: translate(-50%,-50%); text-align: center; font-size: .72rem; padding: .5rem .75rem; border-radius: 9px; border: 1px solid var(--line); background: var(--panel); color: var(--cream-dim); white-space: nowrap; z-index: 2; }
.sc4 small { display: block; color: var(--muted); font-size: .6rem; margin-top: .15rem; }
.sc4__start { left: 50%; top: 15%; }
.sc4__q { left: 50%; top: 47%; border-color: var(--sky); color: var(--sky-soft); }
.sc4__opt--no { left: 22%; top: 83%; animation: sc4no 8s infinite; }
.sc4__opt--yes { left: 78%; top: 83%; animation: sc4yes 8s infinite; }
.sc4__token { position: absolute; width: 13px; height: 13px; border-radius: 50%; background: var(--clay); box-shadow: 0 0 16px 3px var(--clay-glow); transform: translate(-50%,-50%); left: 50%; top: 15%; opacity: 0; z-index: 3; animation: sc4tok 8s var(--ease) infinite; }
@keyframes sc4tok {
  0% { left: 50%; top: 15%; opacity: 0; } 4% { opacity: 1; }
  14% { left: 50%; top: 47%; } 26% { left: 78%; top: 83%; } 36% { left: 78%; top: 83%; opacity: 1; } 41% { left: 78%; top: 83%; opacity: 0; }
  45% { left: 50%; top: 15%; opacity: 0; } 49% { opacity: 1; }
  58% { left: 50%; top: 47%; } 70% { left: 22%; top: 83%; } 80% { left: 22%; top: 83%; opacity: 1; } 85% { opacity: 0; }
  100% { left: 22%; top: 83%; opacity: 0; }
}
@keyframes sc4yes { 0%,22%,44%,100% { border-color: var(--line); color: var(--cream-dim); box-shadow: none; } 28%,40% { border-color: var(--clay); color: var(--clay-soft); box-shadow: 0 0 20px -6px var(--clay-glow); } }
@keyframes sc4no { 0%,66%,88%,100% { border-color: var(--line); color: var(--cream-dim); box-shadow: none; } 72%,84% { border-color: var(--ok); color: var(--ok); box-shadow: 0 0 20px -6px rgba(136,184,144,.5); } }

/* ── Scene 5 · one update propagates ── */
.sc5 { display: grid; place-items: center; }
.sc5__hub { position: relative; z-index: 3; width: 92px; height: 92px; border-radius: 18px; border: 1px solid var(--clay); background: rgba(223,129,88,.12); display: grid; place-items: center; text-align: center; font-family: var(--font-display); font-size: .92rem; color: var(--clay-soft); }
.sc5__hub small { display: block; font-family: var(--font-mono); font-size: .58rem; color: var(--muted); }
.sc5__ring { position: absolute; top: 50%; left: 50%; width: 92px; height: 92px; border-radius: 50%; border: 1px solid var(--clay); transform: translate(-50%,-50%); opacity: 0; animation: sc5ring 3.6s ease-out infinite; }
.sc5__ring:nth-of-type(2) { animation-delay: 1.2s; }
.sc5__ring:nth-of-type(3) { animation-delay: 2.4s; }
@keyframes sc5ring { 0% { opacity: .6; width: 92px; height: 92px; } 100% { opacity: 0; width: 340px; height: 340px; } }
.sc5__devs { position: absolute; inset: 0; }
.sc5__devs span {
  position: absolute; top: 50%; left: 50%; width: 34px; height: 34px; border-radius: 9px; border: 1px solid var(--line); background: var(--panel);
  --r: 128px; transform: translate(-50%,-50%) rotate(calc(var(--i) * 60deg)) translateX(var(--r)) rotate(calc(var(--i) * -60deg));
  animation: sc5dev 3.6s var(--ease) infinite; animation-delay: calc(var(--i) * .18s + .45s);
}
.sc5__devs span::after { content: ""; position: absolute; inset: 9px; border-radius: 4px; border: 1.5px solid var(--muted); }
@keyframes sc5dev { 0%,62%,100% { border-color: var(--line); box-shadow: none; } 20%,42% { border-color: var(--sky); box-shadow: 0 0 16px -5px rgba(109,185,196,.6); } }
@media (max-width: 560px) { .sc5__devs span { --r: 102px; } }

/* ── Scene 6 · orchestration signal (SVG) ── */
.sc6__svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.sc6__svg .wire { fill: none; stroke: var(--clay); stroke-width: 1.6; stroke-dasharray: 5 7; opacity: .55; animation: sc6flow 1.3s linear infinite; }
@keyframes sc6flow { to { stroke-dashoffset: -24; } }
.sc6__svg .box { fill: var(--panel); stroke: var(--line); stroke-width: 1; }
.sc6__svg .core { fill: rgba(223,129,88,.12); stroke: var(--clay); }
.sc6__svg text { fill: var(--cream-dim); font-family: var(--font-mono); font-size: 12px; }
.sc6__svg .core-t { fill: var(--clay-soft); font-size: 12.5px; }
.sc6__svg .pulse { fill: var(--clay); animation: sc6pulse 2.2s ease-in-out infinite; }
@keyframes sc6pulse { 0%,100% { opacity: .25; r: 3; } 50% { opacity: 1; r: 6; } }

/* ── Scene 7 · validation gate ── */
.sc7 { font-family: var(--font-mono); }
.sc7__gate { position: absolute; left: 62%; top: 12%; bottom: 12%; width: 4px; border-radius: 4px; transform: translateX(-50%); background: linear-gradient(var(--clay-soft), var(--clay)); box-shadow: 0 0 24px 2px var(--clay-glow); }
.sc7__gate span { position: absolute; left: 50%; top: -2.4rem; transform: translateX(-50%); white-space: nowrap; font-size: .6rem; color: var(--clay-soft); text-align: center; text-transform: uppercase; letter-spacing: .1em; }
.sc7__in, .sc7__out { position: absolute; top: 50%; transform: translateY(-50%); font-size: .62rem; color: var(--muted); }
.sc7__in { left: 4%; } .sc7__out { right: 4%; color: var(--ok); }
.sc7__p { position: absolute; width: 12px; height: 12px; border-radius: 50%; transform: translateY(-50%); opacity: 0; }
.sc7__p--ok { top: calc(24% + var(--i) * 20%); background: var(--ok); box-shadow: 0 0 12px -2px rgba(136,184,144,.7); animation: sc7ok 3.4s linear infinite; animation-delay: calc(var(--i) * 1.1s); }
@keyframes sc7ok { 0% { left: 14%; opacity: 0; } 6% { opacity: 1; } 94% { left: 90%; opacity: 1; } 100% { left: 90%; opacity: 0; } }
.sc7__p--bad { top: 84%; background: var(--danger); box-shadow: 0 0 12px -2px rgba(224,106,90,.85); animation: sc7bad 3.4s var(--ease) infinite; animation-delay: .5s; }
@keyframes sc7bad {
  0% { left: 14%; opacity: 0; } 8% { opacity: 1; } 46% { left: 59%; opacity: 1; }
  50% { left: 59%; transform: translateY(-50%) translateX(-3px); } 54% { transform: translateY(-50%) translateX(3px); } 58% { transform: translateY(-50%) translateX(-3px); } 62% { transform: translateY(-50%) translateX(0); }
  70% { left: 59%; opacity: 1; } 82%,100% { left: 59%; opacity: 0; }
}

/* ── Scene 8 · 20 min vs 2 min ── */
.sc8 { display: flex; flex-direction: column; justify-content: center; gap: 1.7rem; padding: 0 1.5rem; }
.sc8__row { display: grid; gap: .55rem; }
.sc8__label { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; }
.sc8__row--manual .sc8__label { color: var(--danger); }
.sc8__row--plugin .sc8__label { color: var(--ok); }
.sc8__bars { display: flex; gap: 6px; height: 26px; }
.sc8__bars span { flex: 1; border-radius: 5px; background: var(--panel); border: 1px solid var(--line); position: relative; overflow: hidden; }
.sc8__bars span::after { content: ""; position: absolute; inset: 0; transform-origin: left; transform: scaleX(0); }
.sc8__row--manual span::after { background: linear-gradient(90deg, rgba(224,106,90,.45), var(--danger)); animation: sc8fill 7s var(--ease) infinite; }
.sc8__row--manual span:nth-child(1)::after { animation-delay: 0s; }
.sc8__row--manual span:nth-child(2)::after { animation-delay: .55s; }
.sc8__row--manual span:nth-child(3)::after { animation-delay: 1.1s; }
.sc8__row--manual span:nth-child(4)::after { animation-delay: 1.65s; }
.sc8__row--manual span:nth-child(5)::after { animation-delay: 2.2s; }
.sc8__row--manual span:nth-child(6)::after { animation-delay: 2.75s; }
.sc8__row--manual span:nth-child(7)::after { animation-delay: 3.3s; }
.sc8__row--manual span:nth-child(8)::after { animation-delay: 3.85s; }
.sc8__one::after { background: linear-gradient(90deg, rgba(136,184,144,.45), var(--ok)); animation: sc8one 7s var(--ease) infinite; animation-delay: .15s; }
@keyframes sc8fill { 0% { transform: scaleX(0); } 9% { transform: scaleX(1); } 84% { transform: scaleX(1); } 93%,100% { transform: scaleX(0); } }
@keyframes sc8one { 0% { transform: scaleX(0); } 7% { transform: scaleX(1); } 88% { transform: scaleX(1); } 96%,100% { transform: scaleX(0); } }

/* ── Scene 9 · feedback loop ── */
.sc9 { display: grid; place-items: center; }
.sc9__orbit { position: relative; width: 200px; height: 200px; border-radius: 50%; border: 1px dashed var(--line); }
.sc9__spin { position: absolute; inset: 0; animation: spin 6s linear infinite; }
.sc9__dot { position: absolute; top: -7px; left: 50%; width: 14px; height: 14px; border-radius: 50%; background: var(--clay); transform: translateX(-50%); box-shadow: 0 0 18px 3px var(--clay-glow); }
.sc9__node {
  position: absolute; top: 50%; left: 50%; font-family: var(--font-mono); font-size: .66rem; color: var(--cream-dim);
  padding: .35rem .6rem; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); white-space: nowrap;
  --r: 100px; transform: translate(-50%,-50%) rotate(var(--a)) translateY(calc(var(--r) * -1)) rotate(calc(var(--a) * -1));
}
.sc9__center { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); font-family: var(--font-mono); font-size: .62rem; line-height: 1.5; color: var(--muted); text-transform: uppercase; letter-spacing: .12em; text-align: center; }

/* ── Scene 10 · routing by description ── */
.sc10 { font-family: var(--font-mono); display: grid; grid-template-columns: 1fr auto 1.1fr; align-items: center; gap: 1rem; padding: 0 1.5rem; }
.sc10__task { font-size: .72rem; color: var(--cream-dim); padding: .8rem 1rem; border: 1px solid var(--sky); border-radius: 10px; background: rgba(109,185,196,.08); line-height: 1.4; }
.sc10__beam { position: relative; height: 2px; min-width: 36px; background: var(--line); }
.sc10__beam::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, var(--clay)); transform-origin: left; transform: scaleX(0); animation: sc10beam 4s var(--ease) infinite; }
@keyframes sc10beam { 0%,55% { transform: scaleX(0); opacity: 0; } 70%,92% { transform: scaleX(1); opacity: 1; } 100% { transform: scaleX(1); opacity: 0; } }
.sc10__skills { display: grid; gap: .55rem; }
.sc10__skills span { font-size: .68rem; color: var(--muted); padding: .55rem .8rem; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); animation: sc10scan 4s var(--ease) infinite; animation-delay: calc(var(--i) * .5s); }
@keyframes sc10scan { 0%,100% { border-color: var(--line); color: var(--muted); } 8%,16% { border-color: var(--cream-dim); color: var(--cream); } }
.sc10__skills .match { animation: sc10match 4s var(--ease) infinite; }
@keyframes sc10match { 0%,52% { border-color: var(--line); color: var(--muted); box-shadow: none; } 60%,94% { border-color: var(--clay); color: var(--clay-soft); box-shadow: 0 0 18px -6px var(--clay-glow); } 100% { border-color: var(--line); color: var(--muted); } }
@media (max-width: 560px) { .sc10 { grid-template-columns: 1fr; gap: .7rem; } .sc10__beam { display: none; } }

/* respect reduced motion across every scene */
@media (prefers-reduced-motion: reduce) {
  .scene__stage *, .scene__stage *::before, .scene__stage *::after { animation: none !important; }
  .sc4__token, .sc7__p, .sc3__loader, .sc5__ring { opacity: 0; }
  .sc2__grid span, .sc3__track span { opacity: 1; }
  .sc8__bars span::after { transform: scaleX(.6); }
}

/* responsive top bar */
@media (max-width: 1024px) {
  .menu-btn { display: flex; }
  .chapters {
    position: fixed; inset: 56px 0 auto 0; flex-direction: column; gap: 0;
    background: rgba(14,11,9,.97); backdrop-filter: blur(16px);
    padding: 1rem clamp(1rem,4vw,2.4rem) 1.4rem; border-bottom: 1px solid var(--line);
    transform: translateY(-110%); transition: transform .4s var(--ease); margin: 0;
  }
  .chapters[data-open] { transform: none; }
  .chapters a { padding: .8rem .4rem; border-bottom: 1px solid var(--line-soft); font-size: .9rem; }
}