/* =========================================================================
   Pedagogical Friction, Immersive Companion
   Public scrollytelling companion to Micah J. Miner's dissertation proposal.
   Harmonized with the minerclass dissertation ecosystem palette.
   No build step. Vanilla CSS. User-facing copy avoids em dashes by preference.
   ========================================================================= */

:root {
  --ink: #15202b;
  --ink-soft: #33414f;
  --ink-faint: #5b6570;
  --paper: #f7f4ee;
  --paper-2: #efeae0;
  --paper-3: #e7e0d3;
  --line: #d9d2c5;
  --white: #fffdf9;

  --accent: #7c2d12;        /* burnt sienna */
  --accent-2: #1d4e6b;      /* slate blue */
  --gold: #b5852a;
  /* Text-safe gold: 4.7:1 on --paper-2, 5.7:1 on --white. Use for small gold text. */
  --gold-text: #876016;

  /* Friction dimension colors, kept consistent with sibling sites */
  --noetic: #1d4e6b;         /* head  */
  --rhetorical: #7c2d12;     /* room  */
  --existential: #4a5d3a;    /* world */
  --infrastructural: #5b4a72;/* system */

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(21, 32, 43, 0.10);
  --shadow-lg: 0 24px 60px rgba(21, 32, 43, 0.18);
  --serif: Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --maxw: 1120px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 68px;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--serif); line-height: 1.14; font-weight: 600; }
p { margin: 0 0 1rem; }
a { color: var(--accent-2); }
img { max-width: 100%; }

/* ------------------------------------------------------------------ Accessibility */
.skip-link {
  position: absolute; left: 0; top: -64px; z-index: 200;
  background: var(--ink); color: #fff; padding: 0.7rem 1.2rem;
  border-radius: 0 0 10px 0; text-decoration: none; font-weight: 600;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 0; }
.sr-only {
  position: absolute !important; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
/* Visible keyboard focus: slate on light, gold on dark bands */
:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 2px; }
.btn:focus-visible, .eco:focus-visible, .arc-detail:focus-visible { outline-offset: 3px; }
.band.ink :focus-visible, .site-footer :focus-visible { outline-color: var(--gold); }

/* ------------------------------------------------------------------ Progress nav */
.progress-bar {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  z-index: 80; transition: width 0.1s linear;
}

.site-nav {
  position: sticky; top: 0; z-index: 70;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem clamp(1rem, 4vw, 2rem);
  background: rgba(247, 244, 238, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; color: var(--ink); }
.brand-mark {
  display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--ink); color: var(--paper);
  font-family: var(--serif); font-weight: 700; letter-spacing: 0.5px;
}
.brand-text { font-family: var(--serif); font-size: 1rem; line-height: 1.1; }
.brand-text em { color: var(--accent); font-style: italic; }
.nav-links { display: flex; gap: 1.1rem; align-items: center; }
.nav-links a {
  text-decoration: none; color: var(--ink-soft); font-size: 0.9rem; font-weight: 500;
  padding: 0.2rem 0; border-bottom: 2px solid transparent; transition: color 0.15s, border-color 0.15s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); border-color: var(--accent); }
.nav-toggle { display: none; }

/* ------------------------------------------------------------------ Hero */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  text-align: center;
  padding: 4rem clamp(1rem, 5vw, 2rem) 5rem;
  overflow: hidden;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(29, 78, 107, 0.10), transparent 60%),
    radial-gradient(1000px 500px at 90% 10%, rgba(124, 45, 18, 0.10), transparent 55%),
    var(--paper);
}
.hero::after {
  /* faint grid to suggest an ordered field of text */
  content: ""; position: absolute; inset: 0; z-index: 0; opacity: 0.35;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at 50% 40%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 50% 40%, #000 0%, transparent 72%);
}
.hero > * { position: relative; z-index: 1; }
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.2em; font-size: 0.76rem;
  color: var(--accent); font-weight: 700; margin: 0 0 1.1rem;
}
.hero h1 {
  font-size: clamp(2.3rem, 6vw, 4.6rem); margin: 0 0 1.2rem; max-width: 16ch; letter-spacing: -0.5px;
}
.hero h1 .tint { color: var(--accent); }
.hero-sub {
  font-size: clamp(1.05rem, 2.2vw, 1.35rem); color: var(--ink-soft);
  max-width: 60ch; margin: 0 auto 2.2rem;
}
.hero-actions { display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem; border-radius: 999px;
  text-decoration: none; font-weight: 600; font-size: 0.96rem;
  transition: transform 0.14s ease, box-shadow 0.14s ease, background 0.14s;
  cursor: pointer; border: 1.5px solid transparent; font-family: var(--sans);
}
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: var(--accent); color: #fff; box-shadow: var(--shadow); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--accent); color: var(--accent); }
.scroll-cue {
  margin-top: 3rem; color: var(--ink-faint); font-size: 0.8rem;
  text-transform: uppercase; letter-spacing: 0.15em;
  display: inline-flex; flex-direction: column; align-items: center; gap: 0.4rem;
}
.scroll-cue i { animation: bob 1.8s ease-in-out infinite; font-size: 1.1rem; color: var(--accent); }
@keyframes bob { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(6px);} }

/* ------------------------------------------------------------------ Sections */
.band { padding: clamp(3.5rem, 8vw, 6rem) clamp(1rem, 5vw, 2rem); }
.band.alt { background: var(--paper-2); }
.band.ink { background: var(--ink); color: var(--paper); }
.band.ink h2, .band.ink h3 { color: var(--white); }
.band.ink .lede, .band.ink p { color: #cdd6de; }
.wrap { max-width: var(--maxw); margin: 0 auto; }
.narrow { max-width: 760px; margin: 0 auto; }

.section-tag {
  display: inline-block; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 0.8rem;
}
.band.ink .section-tag { color: var(--gold); }
.band h2 { font-size: clamp(1.8rem, 4vw, 2.9rem); margin: 0 0 1rem; letter-spacing: -0.4px; }
.lede { font-size: clamp(1.05rem, 2vw, 1.28rem); color: var(--ink-soft); }
.band.ink .lede { color: #dbe3ea; }
.pull {
  font-family: var(--serif); font-size: clamp(1.3rem, 3vw, 1.9rem);
  line-height: 1.35; color: var(--ink); border-left: 4px solid var(--accent);
  padding: 0.3rem 0 0.3rem 1.4rem; margin: 2rem 0; max-width: 34ch;
}
.band.ink .pull { color: var(--white); border-color: var(--gold); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }

/* ------------------------------------------------------------------ Stat band */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 2.5rem;
}
.stat {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.4rem 1.2rem; text-align: center; box-shadow: var(--shadow);
}
.stat .n { font-family: var(--serif); font-size: clamp(1.8rem, 4vw, 2.6rem); color: var(--accent-2); display: block; }
.stat .l { font-size: 0.86rem; color: var(--ink-soft); margin-top: 0.3rem; }
.stat .src { font-size: 0.72rem; color: var(--ink-faint); margin-top: 0.4rem; }

/* ------------------------------------------------------------------ Ong arc timeline */
.arc-rail {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.6rem; margin: 2.5rem 0 1.5rem;
  position: relative;
}
.arc-rail::before {
  content: ""; position: absolute; left: 4%; right: 4%; top: 26px; height: 3px;
  background: linear-gradient(90deg, var(--line), var(--accent-2), var(--accent)); border-radius: 3px; z-index: 0;
}
.arc-chip {
  position: relative; z-index: 1; text-align: center; cursor: pointer; font: inherit; color: var(--ink);
  background: none; border: none; padding: 0; display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
}
.arc-dot {
  width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center;
  background: var(--white); border: 3px solid var(--line); font-family: var(--serif); font-weight: 700;
  color: var(--ink-soft); transition: all 0.18s ease; font-size: 1.1rem;
}
.arc-chip:hover .arc-dot { transform: translateY(-3px); border-color: var(--accent-2); }
.arc-chip[aria-selected="true"] .arc-dot {
  background: var(--accent); border-color: var(--accent); color: #fff; box-shadow: var(--shadow); transform: translateY(-3px);
}
.arc-chip .cap { font-size: 0.8rem; font-weight: 600; max-width: 14ch; color: var(--ink-soft); line-height: 1.25; }
.arc-chip[aria-selected="true"] .cap { color: var(--accent); }
.arc-chip .miner-tag {
  font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--gold-text); font-weight: 700;
}
.arc-detail {
  background: var(--white); border: 1px solid var(--line); border-left: 5px solid var(--accent);
  border-radius: var(--radius); padding: 1.8rem 2rem; box-shadow: var(--shadow); min-height: 150px;
}
.arc-detail .era { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.14em; color: #8c6014; font-weight: 700; }
.arc-detail h3 { margin: 0.3rem 0 0.7rem; font-size: 1.5rem; }
.arc-detail p { margin: 0 0 0.7rem; color: var(--ink-soft); font-size: 1.05rem; }
.arc-detail .noetic-note {
  border-top: 1px dashed var(--line); padding-top: 0.8rem; margin-top: 0.4rem; font-style: italic; color: var(--ink);
}

/* ------------------------------------------------------------------ Ruptures */
.ruptures { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 2.5rem; }
.rupture {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem; box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.rupture .rn { font-family: var(--serif); font-size: 2.4rem; color: var(--paper-3); position: absolute; top: 0.4rem; right: 1rem; }
.rupture h3 { font-size: 1.12rem; margin: 0 0 0.6rem; position: relative; }
.rupture .was { font-size: 0.82rem; color: var(--existential); font-weight: 600; }
.rupture .now { font-size: 0.82rem; color: var(--accent); font-weight: 600; }
.rupture p { font-size: 0.96rem; color: var(--ink-soft); margin: 0.5rem 0 0; }

/* ------------------------------------------------------------------ Pressures */
.pressures { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 2.5rem; }
.pressure {
  border-radius: var(--radius); padding: 1.7rem; color: var(--white);
  box-shadow: var(--shadow); position: relative; overflow: hidden; min-height: 220px;
  display: flex; flex-direction: column;
}
.pressure.p-noetic { background: linear-gradient(150deg, #1d4e6b, #14384d); }
.pressure.p-rhetorical { background: linear-gradient(150deg, #7c2d12, #591f0c); }
.pressure.p-existential { background: linear-gradient(150deg, #4a5d3a, #34432a); }
.pressure i { font-size: 1.6rem; margin-bottom: 0.8rem; opacity: 0.9; }
.pressure h3 { color: #fff; font-size: 1.25rem; margin: 0 0 0.5rem; }
.pressure p { color: rgba(255,255,255,0.9); font-size: 0.95rem; margin: 0; }
.pressure .maps {
  margin-top: auto; padding-top: 1rem; font-size: 0.78rem; text-transform: uppercase;
  letter-spacing: 0.08em; color: rgba(255,255,255,0.75); border-top: 1px solid rgba(255,255,255,0.2);
}

/* ------------------------------------------------------------------ Framework stack */
.framework-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 2.5rem; align-items: center; margin-top: 2.5rem; }
.framework-layout > * { min-width: 0; }
.stack { display: flex; flex-direction: column; gap: 0.7rem; min-width: 0; }
.stack-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.7rem; min-width: 0; }
.dim {
  border-radius: var(--radius-sm); padding: 1.1rem 1rem; color: #fff; cursor: pointer;
  border: none; font: inherit; text-align: left; transition: transform 0.15s ease, box-shadow 0.15s ease; box-shadow: var(--shadow);
}
.dim:hover, .dim[aria-current="true"] { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.dim .mn { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; opacity: 0.85; }
.dim .nm { display: block; font-family: var(--serif); font-weight: 700; font-size: 1.1rem; margin-top: 0.2rem; }
.dim.d-noetic { background: var(--noetic); }
.dim.d-rhetorical { background: var(--rhetorical); }
.dim.d-existential { background: var(--existential); }
.dim.d-infra {
  background: linear-gradient(120deg, var(--infrastructural), #453759);
  width: 100%; padding: 1.3rem 1.2rem; position: relative;
}
.dim.d-infra .base-note { font-size: 0.78rem; opacity: 0.85; margin-top: 0.3rem; font-family: var(--sans); font-weight: 400; }
.stack .support-label {
  text-align: center; font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.12em;
  color: #4c5b6c; margin: 0.1rem 0;
}
.dim-detail {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.7rem 1.8rem; box-shadow: var(--shadow); min-height: 240px; border-top: 5px solid var(--accent);
}
.dim-detail .tag { font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.12em; font-weight: 700; }
.dim-detail h3 { margin: 0.3rem 0 0.3rem; font-size: 1.4rem; }
.dim-detail .counter { font-size: 0.9rem; color: var(--ink-faint); margin-bottom: 0.8rem; }
.dim-detail p { color: var(--ink-soft); }
.dim-detail .practices { margin: 0.8rem 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.dim-detail .practices li {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: 999px;
  padding: 0.25rem 0.7rem; font-size: 0.8rem; color: var(--ink-soft);
}

/* ------------------------------------------------------------------ Equity split */
.equity { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; margin-top: 2.5rem; }
.equity-card { border-radius: var(--radius); padding: 1.8rem; box-shadow: var(--shadow); }
.equity-card.good { background: linear-gradient(160deg, #eef3ec, #e2ecdd); border: 1px solid #c9dcc0; }
.equity-card.bad { background: linear-gradient(160deg, #f6ece7, #f0ddd3); border: 1px solid #e2c6b8; }
.equity-card h3 { font-size: 1.25rem; margin: 0 0 0.5rem; }
.equity-card.good h3 { color: var(--existential); }
.equity-card.bad h3 { color: var(--accent); }
.equity-card p { color: var(--ink-soft); margin: 0 0 0.6rem; font-size: 0.98rem; }
.equity-card .eg { font-size: 0.9rem; color: var(--ink); font-style: italic; border-top: 1px dashed rgba(21,32,43,0.18); padding-top: 0.7rem; }

/* ------------------------------------------------------------------ Card sort interactive */
.sort-wrap { margin-top: 2.5rem; }
.sort-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.6rem 1.2rem; margin-bottom: 1.2rem; }
.sort-head .count { font-weight: 700; color: var(--accent); font-family: var(--serif); font-size: 1.05rem; }
.sort-head .reset { margin-left: auto; }
.sort-legend { display: flex; flex-wrap: wrap; gap: 0.5rem 1.2rem; font-size: 0.82rem; color: var(--ink-soft); margin-bottom: 1.4rem; }
.sort-legend b { color: var(--ink); }

.card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.scenario {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.2rem 1.3rem; box-shadow: var(--shadow); transition: border-color 0.2s;
}
.scenario.placed { border-color: var(--accent-2); }
.scenario .top { display: flex; justify-content: space-between; align-items: flex-start; gap: 0.6rem; }
.scenario .idx {
  width: 26px; height: 26px; flex: none; border-radius: 7px; display: grid; place-items: center;
  background: var(--ink); color: var(--paper); font-family: var(--serif); font-weight: 700; font-size: 0.85rem;
}
.scenario .vantage { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-faint); font-weight: 700; }
.scenario .text { font-size: 0.98rem; margin: 0.7rem 0 1rem; color: var(--ink); }
.control { margin-bottom: 0.7rem; }
.control .q { font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-faint); font-weight: 700; margin-bottom: 0.35rem; }
.seg { display: flex; gap: 0.3rem; }
.seg button {
  flex: 1; font: inherit; font-size: 0.8rem; padding: 0.4rem 0.3rem; cursor: pointer;
  background: var(--paper); border: 1px solid var(--line); border-radius: 8px; color: var(--ink-soft); transition: all 0.14s;
}
.seg button:hover { border-color: var(--accent-2); }
.seg button[aria-pressed="true"] { background: var(--accent-2); border-color: var(--accent-2); color: #fff; font-weight: 600; }
.seg.legit button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); }
.note {
  margin-top: 0.6rem; padding: 0.8rem 0.9rem; background: var(--paper-2); border-radius: var(--radius-sm);
  border-left: 3px solid var(--gold); font-size: 0.88rem; color: var(--ink-soft);
}
.note b { color: var(--ink); }
.note[hidden] { display: none; }
.sort-reflect {
  margin-top: 1.6rem; background: var(--white); border: 1px dashed var(--line); border-radius: var(--radius);
  padding: 1.3rem 1.5rem; font-size: 0.96rem; color: var(--ink-soft);
}
.sort-reflect b { color: var(--ink); }

/* ------------------------------------------------------------------ The study */
.rq-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin: 2.5rem 0; }
.rq {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem;
  box-shadow: var(--shadow); border-top: 4px solid var(--accent-2);
}
.rq .rq-n { font-family: var(--serif); color: var(--accent); font-weight: 700; font-size: 0.9rem; letter-spacing: 0.05em; }
.rq p { margin: 0.5rem 0 0; font-size: 0.98rem; color: var(--ink-soft); }

.design-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.fact {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1.1rem 1.2rem;
}
.fact .k { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); font-weight: 700; }
.fact .v { font-size: 0.98rem; color: var(--ink); margin-top: 0.25rem; }

.flow { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 0.8rem; margin-top: 2rem; }
.flow-node {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1rem;
  text-align: center; box-shadow: var(--shadow); position: relative;
}
.flow-node i { color: var(--accent-2); font-size: 1.3rem; }
.flow-node .fn { font-weight: 600; font-size: 0.9rem; margin-top: 0.4rem; display: block; }
.flow-node .fd { font-size: 0.78rem; color: var(--ink-faint); }

/* ------------------------------------------------------------------ Chapter Two defense walk */
.theory-walk {
  position: relative;
  background: radial-gradient(circle at 10% 20%, rgba(29, 78, 107, 0.05) 0%, transparent 50%), var(--white);
  padding: 4.5rem 0;
}

/* Argument Chain */
.argument-chain {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin: 3rem 0;
  position: relative;
}
.argument-chain article {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  min-height: 250px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}
.argument-chain article:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(21, 32, 43, 0.12);
  border-color: var(--accent-2);
}
.argument-chain article .chain-n {
  background: rgba(29, 78, 107, 0.1);
  color: var(--accent-2);
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 700;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.argument-chain article i.chain-icon {
  font-size: 1.5rem;
  color: var(--accent-2);
  margin-bottom: 0.75rem;
}
.argument-chain article h3 {
  font-size: 1.15rem;
  margin: 0 0 0.5rem 0;
  font-weight: 700;
  color: var(--ink);
}
.argument-chain article p.theorists {
  font-size: 0.82rem;
  color: #8c6014;
  margin-bottom: 0.75rem;
  font-weight: 600;
}
.argument-chain article p.desc {
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.45;
  margin: 0;
}

/* Connector arrows for desktop */
@media (min-width: 901px) {
  .argument-chain article:not(:last-child)::after {
    content: "\f054"; /* FontAwesome chevron-right */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    right: -0.75rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    color: var(--gold);
    background: var(--white);
    border: 1px solid var(--line);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
  }
}

/* Stiegler Spotlight */
.stiegler-spotlight {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 2rem;
  padding: 2.2rem;
  margin: 4rem 0;
  border-radius: var(--radius);
  background: linear-gradient(145deg, #1b2836, #111a24);
  color: var(--paper);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.spotlight-intro { padding: 0.5rem; }
.spotlight-intro h3 {
  font-size: 1.55rem;
  line-height: 1.35;
  margin: 0.5rem 0 1.25rem 0;
  color: var(--white);
}
.spotlight-intro p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 2rem;
}
.defense-say {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  margin-top: 1.5rem;
}
.defense-say span {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gold);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.defense-say p {
  font-family: var(--serif);
  font-size: 0.96rem;
  line-height: 1.55;
  color: var(--paper);
  margin: 0.5rem 0 0 0;
}
.stiegler-steps {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.stiegler-steps article {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--paper);
  padding: 1.5rem;
  border-radius: var(--radius-sm);
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}
.stiegler-steps article:hover {
  transform: translateX(4px);
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
}
.stiegler-steps article h4 {
  margin: 0.25rem 0 0.5rem 0;
  font-size: 1.2rem;
  color: var(--white);
}
.stiegler-steps article p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  line-height: 1.45;
  margin-bottom: 0.75rem;
}
.stiegler-steps .step-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  display: block;
}
.stiegler-steps .bridge {
  font-size: 0.82rem;
  color: var(--paper);
  background: rgba(255, 255, 255, 0.05);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  display: block;
  margin-top: 0.75rem;
}

/* Scholar Grid */
.scholar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin: 2.5rem 0;
}
.scholar-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}
.scholar-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(21, 32, 43, 0.08);
}
.scholar-card i.scholar-icon {
  font-size: 1.5rem;
  color: var(--accent-2);
  margin-bottom: 0.75rem;
}
.scholar-card.d1 i.scholar-icon { color: var(--existential); }
.scholar-card.d2 i.scholar-icon { color: var(--rhetorical); }
.scholar-card.d3 i.scholar-icon { color: var(--noetic); }

.scholar-card h3 {
  font-size: 1.15rem;
  margin: 0.25rem 0 0.5rem 0;
  color: var(--ink);
}
.scholar-card p {
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.45;
  margin: 0;
}

/* Accordion details */
.theory-prompts {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 3rem 0;
}
.theory-prompts details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: border-color 0.2s ease;
}
.theory-prompts details:hover {
  border-color: var(--accent-2);
}
.theory-prompts details summary {
  padding: 1.15rem 1.5rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  background: var(--white);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
  transition: background-color 0.2s ease, color 0.2s ease;
}
.theory-prompts details summary::-webkit-details-marker {
  display: none;
}
.theory-prompts details summary:hover, .theory-prompts details summary:focus-visible {
  color: var(--accent-2);
  background-color: var(--paper-2);
  outline: none;
}
.theory-prompts details summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 0.85rem;
  color: var(--gold);
  transition: transform 0.25s ease;
}
.theory-prompts details[open] summary {
  border-bottom: 1px solid var(--line);
  background-color: var(--paper-2);
}
.theory-prompts details[open] summary::after {
  transform: rotate(180deg);
}
.theory-prompts details > div {
  padding: 1.5rem;
  background: var(--white);
}
.theory-prompts details p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-soft);
}
.source-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.7rem;
  align-items: center;
  margin-top: 2rem;
  padding: 0.9rem 1rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 0.78rem;
}
.source-strip strong { color: var(--ink); }

/* ------------------------------------------------------------------ Chapter Three defense walk */
.methodology-defense {
  background:
    radial-gradient(900px 450px at 85% 5%, rgba(181,133,42,0.13), transparent 60%),
    var(--ink);
}
.method-compare { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 2.5rem 0; }
.method-compare article {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--radius); padding: 1.35rem;
}
.method-compare article.chosen { background: var(--white); border: 3px solid var(--gold); transform: translateY(-8px); }
.method-compare h3 { margin: 0.4rem 0 0.8rem; font-size: 1.2rem; }
.method-compare p { font-size: 0.9rem; margin: 0 0 0.75rem; }
.method-compare .chosen h3, .method-compare .chosen p, .method-compare .chosen .method-name { color: var(--ink); }
.method-compare .verdict { border-top: 1px solid rgba(255,255,255,0.2); padding-top: 0.7rem; color: var(--gold); font-weight: 700; }
.method-compare .chosen .verdict { border-color: var(--line); color: var(--accent); }
.method-callout {
  border-left: 5px solid var(--gold); padding: 1.1rem 1.3rem;
  background: rgba(255,255,255,0.07); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.method-callout p { color: var(--white); font-family: var(--serif); font-size: 1.18rem; margin: 0; }
.analysis-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.8rem; }
.analysis-grid article { background: var(--white); border-radius: var(--radius-sm); padding: 1rem; }
.analysis-grid span { display: block; color: var(--accent); font-weight: 800; font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; }
.analysis-grid p { color: var(--ink-soft) !important; font-size: 0.86rem; margin: 0.45rem 0 0; }
.outside-fence { margin-top: 1rem; padding: 0.9rem 1rem; border: 1px dashed rgba(255,255,255,0.25); border-radius: var(--radius-sm); }
.method-jobs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2.5rem; }
.method-jobs > div { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.14); border-radius: var(--radius); padding: 1.2rem; }
.method-jobs .mini-tag { color: #cba043; }
.method-jobs h3 { font-size: 1.08rem; margin: 0.35rem 0 0.55rem; }
.method-jobs p { font-size: 0.88rem; margin: 0; }
.disconfirmation-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.8rem; }
.disconfirmation-grid article { background: var(--white); color: var(--ink); border-radius: var(--radius-sm); padding: 1rem; }
.disconfirm-n { color: var(--gold); font-family: var(--serif); font-weight: 700; font-size: 1.2rem; }
.disconfirmation-grid h3 { color: var(--ink) !important; font-size: 1rem; margin: 0.35rem 0 0.5rem; }
.disconfirmation-grid p { color: var(--ink-soft) !important; font-size: 0.84rem; margin: 0; }
.methodology-defense .defense-prompts details { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.18); }
.methodology-defense .defense-prompts summary { color: var(--white); }
.methodology-defense .defense-prompts summary:hover, .methodology-defense .defense-prompts summary:focus-visible { color: var(--gold); }
.methodology-defense .defense-prompts details[open] summary { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.16); }
.methodology-defense .defense-prompts details p { color: #dbe3ea; }
.source-strip.dark { border-color: rgba(255,255,255,0.18); color: #9fabb5; }
.source-strip.dark strong { color: var(--white); }
.source-strip.dark a { color: #e3bd70; }

/* ------------------------------------------------------------------ Ecosystem links */
.eco-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(255px, 1fr)); gap: 1rem; margin-top: 2.5rem; }
.eco {
  display: block; text-decoration: none; color: var(--ink);
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.3rem 1.4rem; box-shadow: var(--shadow); transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}
.eco:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.eco .eco-top { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.5rem; }
.eco .eco-ico { width: 36px; height: 36px; flex: none; border-radius: 9px; display: grid; place-items: center; background: var(--paper-2); color: var(--accent); font-size: 1rem; }
.eco h3 { font-size: 1.02rem; margin: 0; }
.eco p { font-size: 0.86rem; color: var(--ink-soft); margin: 0; }
.eco .eco-kind { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: #8c6014; font-weight: 700; }
.eco-group-label { font-family: var(--serif); font-size: 1.1rem; color: var(--ink); margin: 2rem 0 0.2rem; }

/* ------------------------------------------------------------------ Footer */
.site-footer {
  background: var(--ink); color: #c3ccd4; padding: 3rem clamp(1rem, 5vw, 2rem); text-align: center; font-size: 0.9rem;
}
.site-footer strong { color: var(--white); }
.site-footer .muted { color: #8b97a2; font-size: 0.82rem; max-width: 70ch; margin: 1rem auto 0; }
.site-footer a { color: var(--gold); }

/* ------------------------------------------------------------------ Responsive */
@media (max-width: 900px) {
  .framework-layout { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .ruptures, .pressures, .rq-grid, .method-compare, .method-jobs { grid-template-columns: 1fr; }
  .argument-chain { grid-template-columns: 1fr 1fr; }
  .argument-chain article:not(:last-child)::after { display: none; }
  .stiegler-spotlight { grid-template-columns: 1fr; }
  .scholar-grid, .analysis-grid, .disconfirmation-grid { grid-template-columns: 1fr 1fr; }
  .equity { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 640px) {
  .card-grid { grid-template-columns: 1fr; }
  .arc-rail { grid-template-columns: 1fr; gap: 0.5rem; }
  .arc-rail::before { display: none; }
  .arc-chip { flex-direction: row; gap: 0.8rem; text-align: left; justify-content: flex-start; }
  .arc-chip .cap { max-width: none; }
  .stats { grid-template-columns: 1fr 1fr; }
  .argument-chain, .scholar-grid, .analysis-grid, .disconfirmation-grid { grid-template-columns: 1fr; }
  .method-compare article.chosen { transform: none; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .scroll-cue i { animation: none; }
}