/* ==========================================================================
   satishchandradubey.com — Design system
   Concept: Resource / Layer / Governance
   Earth → Resources → Industry → Policy → Public Service
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  --graphite: #17191B;
  --charcoal: #242729;
  --sand: #D9D0BE;
  --ivory: #F5F1E8;
  --gold: #A78345;
  --bronze: #87613D;
  --slate: #6E7476;
  --stone: #B8B1A5;
  --rust: #75483A;

  /* derived, contrast-checked text tones */
  --ink: #17191B;            /* 16.1:1 on ivory */
  --ink-2: #3A3E40;          /* 10.2:1 on ivory */
  --ink-muted: #545A5C;      /* 6.4:1 on ivory, 4.9:1 on sand */
  --on-dark: #F5F1E8;        /* 16.1:1 on graphite */
  --on-dark-2: #CFC8BA;      /* 11:1 on graphite */
  --on-dark-muted: #B8B1A5;  /* 8.3:1 on graphite */
  --accent-light: #87613D;   /* bronze: 4.9:1 on ivory — use for small accents on light */
  --accent-dark: #BE9A5C;    /* lifted gold: 7:1 on graphite — small accents on dark */

  --line: rgba(23, 25, 27, .16);
  --line-strong: rgba(23, 25, 27, .32);
  --line-dark: rgba(245, 241, 232, .16);
  --ivory-2: #EFE9DC;
  --sand-2: #E6DFD0;

  --f-display: "Bodoni Moda", "Didot", "Bodoni 72", Georgia, "Times New Roman", serif;
  --f-sans: "Instrument Sans", "Helvetica Neue", Arial, system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, monospace;

  --fs-body: clamp(1rem, 0.94rem + 0.3vw, 1.2rem);      /* 16px → 19.2px */
  --fs-small: clamp(.9rem, .87rem + .12vw, 1rem);
  --fs-label: .75rem;
  --fs-h1: clamp(2.6rem, 1.4rem + 5.2vw, 6.6rem);
  --fs-h2: clamp(2rem, 1.3rem + 2.6vw, 3.6rem);
  --fs-h3: clamp(1.35rem, 1.15rem + .8vw, 1.85rem);
  --fs-h4: clamp(1.08rem, 1rem + .3vw, 1.25rem);
  --fs-statement: clamp(1.6rem, 1.1rem + 2.1vw, 3rem);

  --gutter: clamp(1rem, 3.6vw, 3.5rem);
  --maxw: 1360px;
  --sec: clamp(4.5rem, 3rem + 6vw, 9rem);
  --header-h: 76px;
  --meta-h: 34px;
  --radius: 2px;
  --ease: cubic-bezier(.2, .7, .1, 1);
}

/* ---------- 2. Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 16px); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--f-sans);
  font-size: var(--fs-body);
  line-height: 1.7;
  font-feature-settings: "kern", "liga";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
@supports (overflow: clip) { body { overflow-x: clip; } }
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .22em; }
button, input, textarea, select { font: inherit; color: inherit; }
p { margin: 0 0 1.15em; }
p:last-child { margin-bottom: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 400; line-height: 1.08; text-wrap: balance; }
h1, h2 { font-family: var(--f-display); letter-spacing: -.012em; }
h3 { font-family: var(--f-display); font-size: var(--fs-h3); line-height: 1.2; }
h4 { font-family: var(--f-sans); font-size: var(--fs-h4); font-weight: 600; line-height: 1.35; letter-spacing: -.005em; }
ul, ol { margin: 0; padding: 0; }
dl, dd { margin: 0; }
figure { margin: 0; }
table { border-collapse: collapse; width: 100%; }
abbr[title] { text-decoration: none; border-bottom: 1px dotted currentColor; }
::selection { background: var(--gold); color: var(--graphite); }

:focus { outline: none; }
:focus-visible { outline: 2px solid var(--bronze); outline-offset: 3px; }
.sec--dark :focus-visible, .masthead :focus-visible, .foot :focus-visible { outline-color: var(--accent-dark); }

.skip-link {
  position: absolute; left: 1rem; top: -100px; z-index: 1000;
  background: var(--graphite); color: var(--ivory); padding: .75rem 1.1rem;
  font: 500 .9rem var(--f-sans); text-decoration: none;
}
.skip-link:focus { top: 1rem; }
.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; }
.noscript-note { padding: 2rem var(--gutter); font-family: var(--f-sans); }

/* ---------- 3. Layout primitives ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.wrap--narrow { max-width: 980px; }
.sec { padding-block: var(--sec); position: relative; }
.sec--tight { padding-block: calc(var(--sec) * .6); }
.sec--sand { background: var(--sand); }
.sec--ivory2 { background: var(--ivory-2); }
.sec--dark { background: var(--graphite); color: var(--on-dark); }
.sec--charcoal { background: var(--charcoal); color: var(--on-dark); }
.sec--line { border-top: 1px solid var(--line); }
.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(1rem, 2.2vw, 2.25rem); }
.prose { max-width: 68ch; }
.prose p { color: var(--ink-2); }
.sec--dark .prose p, .sec--charcoal .prose p { color: var(--on-dark-2); }
.prose h3 { margin: 2.2em 0 .7em; }
.prose h4 { margin: 1.8em 0 .5em; }
.prose ul { padding-left: 0; list-style: none; margin: 0 0 1.2em; }
.prose ul li { position: relative; padding-left: 1.4em; margin-bottom: .45em; color: var(--ink-2); }
.prose ul li::before { content: ""; position: absolute; left: 0; top: .78em; width: .7em; height: 1px; background: var(--bronze); }
.prose a { color: var(--ink); text-decoration-color: var(--bronze); }
.sec--dark .prose a { color: var(--on-dark); text-decoration-color: var(--accent-dark); }
.lede { font-size: clamp(1.12rem, 1rem + .5vw, 1.4rem); line-height: 1.6; color: var(--ink-2); }
.sec--dark .lede { color: var(--on-dark-2); }

/* ---------- 4. Type utilities ---------- */
.label {
  font-family: var(--f-mono); font-size: var(--fs-label); font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase; line-height: 1.5;
  color: var(--accent-light);
}
.sec--dark .label, .sec--charcoal .label, .masthead__meta .label { color: var(--accent-dark); }
.sec--sand .label { color: var(--rust); }
.label--ink { color: var(--ink-muted) !important; }
.meta { font-family: var(--f-mono); font-size: .8rem; letter-spacing: .04em; color: var(--ink-muted); line-height: 1.55; }
.sec--dark .meta, .sec--charcoal .meta { color: var(--on-dark-muted); }
.num { font-family: var(--f-display); font-feature-settings: "lnum", "tnum"; }
.eyebrow { display: flex; align-items: center; gap: .9rem; margin-bottom: 1.4rem; }
.eyebrow::before { content: ""; width: 2.25rem; height: 1px; background: currentColor; flex: none; opacity: .9; }
.eyebrow.label { color: var(--accent-light); }
.sec--dark .eyebrow.label, .sec--charcoal .eyebrow.label { color: var(--accent-dark); }
.sec--sand .eyebrow.label { color: var(--rust); }
.h2 { font-size: var(--fs-h2); }
.h2 em, .h1 em, .statement em { font-style: italic; color: var(--bronze); }
.sec--dark .h2 em, .sec--dark .statement em { color: var(--accent-dark); }
.statement { font-family: var(--f-display); font-size: var(--fs-statement); line-height: 1.18; letter-spacing: -.01em; }
.sec-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.5rem 3rem; align-items: end; margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.sec-head__aside { color: var(--ink-muted); max-width: 46ch; justify-self: end; }
.sec--dark .sec-head__aside { color: var(--on-dark-muted); }

.src { font-family: var(--f-mono); font-size: .78rem; letter-spacing: .02em; color: var(--ink-muted); }
.src a { color: var(--ink-2); text-decoration-color: var(--bronze); overflow-wrap: anywhere; }
.sec--dark .src, .sec--dark .src a { color: var(--on-dark-muted); }

/* ---------- 5. Buttons & links ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .8rem; min-height: 48px;
  padding: .8rem 1.35rem; border: 1px solid var(--graphite);
  background: var(--graphite); color: var(--ivory);
  font: 500 .92rem/1.2 var(--f-sans); letter-spacing: .02em; text-decoration: none;
  cursor: pointer; transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.btn:hover { background: var(--charcoal); border-color: var(--bronze); }
.btn--ghost { background: transparent; color: var(--graphite); }
.btn--ghost:hover { background: var(--graphite); color: var(--ivory); }
.sec--dark .btn--ghost { color: var(--ivory); border-color: rgba(245,241,232,.5); }
.sec--dark .btn--ghost:hover { background: var(--ivory); color: var(--graphite); }
.btn svg { width: 16px; height: 16px; flex: none; }

.arrow-link {
  display: inline-flex; align-items: center; gap: .6rem; min-height: 44px;
  font: 500 .95rem var(--f-sans); text-decoration: none; color: var(--ink);
  background: linear-gradient(currentColor, currentColor) left bottom / 0 1px no-repeat;
  transition: background-size .45s var(--ease);
}
.arrow-link:hover { background-size: 100% 1px; }
.arrow-link svg { width: 15px; height: 15px; transition: transform .35s var(--ease); }
.arrow-link:hover svg { transform: translateX(3px); }
.sec--dark .arrow-link { color: var(--ivory); }

/* ---------- 6. Masthead (sticky) ---------- */
/* Fixed (not sticky) top bar: position: sticky silently fails when an ancestor
   clips overflow, which the body does to prevent horizontal scrolling. */
.topbar { position: fixed; top: 0; left: 0; right: 0; z-index: 100; }
.site { padding-top: calc(var(--meta-h) + var(--header-h) + 1px); }
.masthead__meta {
  height: var(--meta-h); overflow: hidden; transition: margin-top .35s var(--ease);
  background: var(--graphite); color: var(--on-dark-muted);
  font-family: var(--f-mono); font-size: .72rem; letter-spacing: .08em;
}
.masthead__meta .wrap { display: flex; justify-content: space-between; align-items: center; gap: 1rem; height: var(--meta-h); }
.topbar.is-scrolled .masthead__meta { margin-top: calc(var(--meta-h) * -1); }
.masthead__meta span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.masthead__coords { display: flex; gap: 1.6rem; }

.masthead {
  position: relative;
  background: rgba(245, 241, 232, .94);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.masthead__bar { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: var(--header-h); }
.masthead__progress { position: absolute; left: 0; bottom: -1px; height: 1px; width: 100%; background: var(--gold); transform-origin: 0 50%; transform: scaleX(var(--progress, 0)); }

.brand { display: inline-flex; align-items: center; gap: .85rem; text-decoration: none; color: var(--ink); min-width: 0; }
.brand__mark { width: 38px; height: 38px; flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; min-width: 0; }
.brand__name { font-family: var(--f-display); font-size: 1.28rem; letter-spacing: -.005em; white-space: nowrap; }
.brand__sub { font-family: var(--f-mono); font-size: .64rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-muted); margin-top: .3rem; white-space: nowrap; }

.nav { display: flex; align-items: center; gap: .35rem; }
.nav__list { display: flex; align-items: center; list-style: none; gap: .1rem; }
.nav__item { position: relative; }
.nav__link, .nav__trigger {
  position: relative; display: inline-flex; align-items: center; gap: .4rem; min-height: 44px;
  padding: .5rem .85rem; background: none; border: 0; cursor: pointer;
  font: 500 .9rem var(--f-sans); letter-spacing: .01em; color: var(--ink-2); text-decoration: none;
}
.nav__link::after, .nav__trigger::after {
  content: ""; position: absolute; left: .85rem; right: .85rem; bottom: 6px; height: 1px;
  background: var(--bronze); transform: scaleX(0); transform-origin: 0 50%; transition: transform .4s var(--ease);
}
.nav__link:hover::after, .nav__trigger:hover::after,
.nav__link[aria-current="page"]::after, .nav__trigger.is-current::after { transform: scaleX(1); }
.nav__link[aria-current="page"], .nav__trigger.is-current { color: var(--ink); }
.nav__trigger svg { width: 10px; height: 10px; transition: transform .3s var(--ease); }
.nav__trigger[aria-expanded="true"] svg { transform: rotate(180deg); }
.nav__trigger[aria-expanded="true"] { color: var(--ink); }

.nav__panel {
  position: absolute; top: calc(100% + 14px); left: 50%; width: 400px;
  transform: translate(-50%, 6px); opacity: 0; visibility: hidden;
  background: var(--graphite); color: var(--on-dark); padding: 1.1rem;
  box-shadow: 0 30px 60px -30px rgba(23,25,27,.55);
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility 0s linear .25s;
}
.nav__panel::before { content: ""; position: absolute; left: 0; right: 0; top: -14px; height: 14px; }
.nav__panel::after { content: ""; position: absolute; left: 1.1rem; right: 1.1rem; top: 0; height: 2px; background: linear-gradient(90deg, var(--gold) 0 30%, var(--bronze) 30% 55%, var(--stone) 55% 75%, var(--sand) 75%); }
.nav__item.is-open .nav__panel { opacity: 1; visibility: visible; transform: translate(-50%, 0); transition: opacity .25s var(--ease), transform .25s var(--ease), visibility 0s; }
.nav__list > .nav__item:last-child .nav__panel { left: auto; right: 0; transform: translate(0, 6px); }
.nav__list > .nav__item:last-child.is-open .nav__panel { transform: translate(0, 0); }
.nav__panel-head { font-family: var(--f-mono); font-size: .66rem; letter-spacing: .16em; text-transform: uppercase; color: var(--accent-dark); padding: .6rem .8rem .8rem; border-bottom: 1px solid var(--line-dark); margin-bottom: .4rem; }
.nav__panel ul { list-style: none; }
.nav__panel a {
  display: grid; grid-template-columns: 2.1rem 1fr; gap: .2rem .6rem; padding: .8rem; text-decoration: none; color: var(--on-dark);
  transition: background .25s var(--ease);
}
.nav__panel a:hover, .nav__panel a:focus-visible { background: rgba(245,241,232,.06); }
.nav__panel a[aria-current="page"] { background: rgba(167,131,69,.14); }
.nav__panel .nav__idx { font-family: var(--f-mono); font-size: .72rem; color: var(--accent-dark); padding-top: .2rem; grid-row: span 2; }
.nav__panel .nav__t { font: 500 .98rem var(--f-sans); }
.nav__panel .nav__d { font-size: .82rem; color: var(--on-dark-muted); line-height: 1.45; }

.nav__cta { margin-left: .6rem; min-height: 44px; padding: .6rem 1.1rem; font-size: .88rem; }
.nav__cta[aria-current="page"] { background: var(--bronze); border-color: var(--bronze); }

.menu-toggle {
  display: none; align-items: center; justify-content: center; gap: .6rem;
  min-width: 48px; min-height: 48px; padding: 0 .9rem; margin-right: -.4rem;
  background: none; border: 1px solid var(--line-strong); cursor: pointer;
  font: 500 .78rem var(--f-mono); letter-spacing: .12em; text-transform: uppercase;
}
.menu-toggle__bars { position: relative; width: 20px; height: 10px; }
.menu-toggle__bars::before, .menu-toggle__bars::after { content: ""; position: absolute; left: 0; right: 0; height: 1.5px; background: currentColor; transition: transform .3s var(--ease), top .3s var(--ease); }
.menu-toggle__bars::before { top: 0; }
.menu-toggle__bars::after { top: 8.5px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars::before { top: 4.25px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars::after { top: 4.25px; transform: rotate(-45deg); }

/* mobile drawer */
.drawer {
  position: fixed; inset: 0; z-index: 99; top: var(--drawer-top, var(--header-h));
  background: var(--graphite); color: var(--on-dark);
  overflow-y: auto; overscroll-behavior: contain;
  visibility: hidden; opacity: 0; transform: translateY(-8px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility 0s linear .3s;
}
.drawer.is-open { visibility: visible; opacity: 1; transform: none; transition: opacity .3s var(--ease), transform .3s var(--ease), visibility 0s; }
.drawer__inner { padding: 1.5rem var(--gutter) 3rem; }
.drawer__group { border-top: 1px solid var(--line-dark); padding: 1.1rem 0 .8rem; }
.drawer__group-title { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--accent-dark); margin-bottom: .4rem; }
.drawer ul { list-style: none; }
.drawer a {
  display: flex; align-items: baseline; gap: 1rem; min-height: 52px; padding: .7rem 0;
  font-family: var(--f-display); font-size: 1.55rem; line-height: 1.2; color: var(--on-dark); text-decoration: none;
}
.drawer a .nav__idx { font-family: var(--f-mono); font-size: .72rem; color: var(--on-dark-muted); min-width: 1.6rem; }
.drawer a[aria-current="page"] { color: var(--accent-dark); }
.drawer a[aria-current="page"] .nav__idx { color: var(--accent-dark); }
.drawer__foot { margin-top: 1.4rem; padding-top: 1.4rem; border-top: 1px solid var(--line-dark); font-family: var(--f-mono); font-size: .8rem; color: var(--on-dark-muted); line-height: 1.9; }
.drawer__foot a { display: inline; font: inherit; min-height: 0; padding: 0; color: var(--on-dark-2); }
body.menu-open { overflow: hidden; }

/* ---------- 7. Graphic motifs ---------- */
.contours { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
/* Pre-coloured SVGs as background-image (mask-image is CORS-fetched and fails on file://) */
.contours::before {
  content: ""; position: absolute; inset: -2%;
  background: var(--contour-img, url("../assets/graphics/contours-a-slate.svg")) center / cover no-repeat;
  opacity: var(--contour-opacity, .22);
}
.contours--b { --contour-img: url("../assets/graphics/contours-b-slate.svg"); }
.contours--c { --contour-img: url("../assets/graphics/contours-c-slate.svg"); }
.sec--dark .contours, .sec--charcoal .contours, .page-head--dark .contours { --contour-img: url("../assets/graphics/contours-a-gold.svg"); --contour-opacity: .16; }
.sec--dark .contours--b, .page-head--dark .contours--b { --contour-img: url("../assets/graphics/contours-b-gold.svg"); }
.sec--dark .contours--c, .page-head--dark .contours--c { --contour-img: url("../assets/graphics/contours-c-gold.svg"); }
.grid-lines {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(23,25,27,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(23,25,27,.05) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: radial-gradient(ellipse at 70% 40%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse at 70% 40%, #000 20%, transparent 75%);
}
.sec--dark .grid-lines { background-image: linear-gradient(to right, rgba(245,241,232,.05) 1px, transparent 1px), linear-gradient(to bottom, rgba(245,241,232,.05) 1px, transparent 1px); }
.sec > .wrap, .page-head > .wrap { position: relative; z-index: 1; }

/* strata swatch bands — used as dividers */
.strata-rule { height: 10px; display: grid; grid-template-columns: 5fr 2fr 3fr 1fr 4fr; }
.strata-rule span:nth-child(1) { background: var(--graphite); }
.strata-rule span:nth-child(2) { background: var(--bronze); }
.strata-rule span:nth-child(3) { background: var(--stone); }
.strata-rule span:nth-child(4) { background: var(--gold); }
.strata-rule span:nth-child(5) { background: var(--sand); }

/* measurement ticks along a frame */
.ticks { position: absolute; pointer-events: none; }
.ticks--top { left: 0; right: 0; top: -14px; height: 9px; background: repeating-linear-gradient(90deg, var(--slate) 0 1px, transparent 1px 24px); opacity: .55; }
.ticks--left { top: 0; bottom: 0; left: -14px; width: 9px; background: repeating-linear-gradient(180deg, var(--slate) 0 1px, transparent 1px 24px); opacity: .55; }
.corner { position: absolute; width: 14px; height: 14px; border-color: var(--bronze); border-style: solid; border-width: 0; }
.corner--tl { top: -6px; left: -6px; border-top-width: 1px; border-left-width: 1px; }
.corner--br { bottom: -6px; right: -6px; border-bottom-width: 1px; border-right-width: 1px; }

/* ---------- 8. Figures ---------- */
.fig { position: relative; }
.fig__frame { position: relative; background: var(--sand-2); overflow: hidden; }
.fig__frame img { width: 100%; height: auto; transition: transform 1.1s var(--ease); }
.fig--mat .fig__frame { display: flex; align-items: center; justify-content: center; }
.fig--mat .fig__frame img { width: 100%; height: 100%; object-fit: contain; object-position: center; }
a.fig__frame:hover img, .fig--hover:hover .fig__frame img { transform: scale(1.03); }
.fig__cap { display: grid; grid-template-columns: auto 1fr; gap: .2rem 1rem; margin-top: .9rem; font-size: .88rem; line-height: 1.5; color: var(--ink-muted); }
.fig__cap .fig__no { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-light); padding-top: .18rem; white-space: nowrap; }
.fig__cap .fig__meta { grid-column: 2; font-family: var(--f-mono); font-size: .72rem; letter-spacing: .04em; }
.sec--dark .fig__cap, .sec--charcoal .fig__cap { color: var(--on-dark-muted); }
.sec--dark .fig__cap .fig__no, .sec--charcoal .fig__cap .fig__no { color: var(--accent-dark); }
.sec--dark .fig__frame { background: var(--charcoal); }

/* ---------- 9. Home: hero ---------- */
.hero { position: relative; padding-top: clamp(2.5rem, 5vw, 5rem); overflow: hidden; }
.hero .contours { --contour-opacity: .3; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; position: relative; z-index: 1; padding-bottom: clamp(3rem, 6vw, 5.5rem); }
.hero__label { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .9rem; margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.hero__label .sep { width: 1px; height: 12px; background: var(--line-strong); }
.hero__title { font-size: var(--fs-h1); line-height: .96; letter-spacing: -.025em; }
.hero__title span { display: block; }
.hero__title .l2 { padding-left: clamp(0rem, 7vw, 6.5rem); font-style: italic; color: var(--bronze); }
.hero__role { display: flex; gap: 1rem; align-items: flex-start; margin-top: clamp(1.6rem, 3vw, 2.4rem); max-width: 36rem; }
.hero__role-bar { width: 3px; align-self: stretch; background: linear-gradient(var(--gold) 0 40%, var(--bronze) 40% 70%, var(--graphite) 70%); flex: none; }
.hero__role p { font-size: clamp(1.1rem, 1rem + .45vw, 1.35rem); line-height: 1.45; color: var(--ink); margin: 0; }
.hero__role small { display: block; margin-top: .5rem; font-size: .92rem; color: var(--ink-muted); line-height: 1.55; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .8rem 1.6rem; align-items: center; margin-top: clamp(1.8rem, 3vw, 2.6rem); }

.hero__visual { position: relative; justify-self: end; width: 100%; max-width: 440px; }
.hero__stage { position: relative; }
.hero__block { position: absolute; left: -14%; bottom: -8%; width: 70%; height: 56%; background: var(--graphite); }
.hero__block::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(0deg, transparent 0 13px, rgba(167,131,69,.28) 13px 14px); }
.hero__frame { position: relative; background: var(--sand); padding: 12px; }
.hero__frame img { width: 100%; height: auto; aspect-ratio: 450 / 480; object-fit: contain; }
.hero__tag { position: absolute; right: -10px; top: 24px; transform: translateX(100%) rotate(90deg); transform-origin: 0 0; font-family: var(--f-mono); font-size: .66rem; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-muted); white-space: nowrap; }
.hero__caption { position: relative; margin-top: calc(1.4rem + 10%); padding-left: 0; max-width: 34ch; margin-left: auto; font-size: .85rem; color: var(--ink-muted); line-height: 1.5; }
.hero__caption .label { display: block; margin-bottom: .25rem; }
.hero__coord { position: absolute; font-family: var(--f-mono); font-size: .64rem; letter-spacing: .1em; color: var(--ink-muted); white-space: nowrap; }
.hero__coord--a { top: -30px; left: 0; }
.hero__coord--b { top: -30px; right: 0; }

/* strata milestone strip */
.strip { position: relative; z-index: 1; background: var(--graphite); color: var(--on-dark); }
.strip__list { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.strip__item { position: relative; padding: 1.6rem 1.4rem 1.7rem; border-left: 1px solid var(--line-dark); }
.strip__item:first-child { border-left: 0; padding-left: 0; }
.strip__item::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--c, var(--stone)); }
.strip__item:first-child::before { left: 0; }
.strip__k { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .16em; text-transform: uppercase; color: var(--on-dark-muted); }
.strip__v { font-family: var(--f-display); font-size: clamp(1.15rem, 1rem + .6vw, 1.5rem); line-height: 1.2; margin: .45rem 0 .3rem; }
.strip__y { font-family: var(--f-mono); font-size: .82rem; color: var(--accent-dark); }
.strip__item.is-current .strip__y::after { content: "Current"; margin-left: .7rem; padding: .1rem .45rem; border: 1px solid var(--accent-dark); font-size: .62rem; letter-spacing: .14em; text-transform: uppercase; vertical-align: 1px; }

/* ---------- 10. Split narrative ---------- */
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(2rem, 6vw, 7rem); }
.split__statement { position: sticky; top: calc(var(--header-h) + 2.5rem); align-self: start; }
.split__statement .statement { margin-top: 1.2rem; }
.split__statement .meta { margin-top: 2rem; display: block; }
.split__body .dropcap::first-letter { float: left; font-family: var(--f-display); font-size: 4.6em; line-height: .82; padding: .08em .12em 0 0; color: var(--bronze); }
.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line-strong); margin-top: 2.6rem; }
.facts div { padding: 1.1rem 1.2rem 1.2rem 0; border-bottom: 1px solid var(--line); }
.facts div:nth-child(even) { padding-left: 1.2rem; border-left: 1px solid var(--line); }
.facts dt { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-muted); }
.facts dd { margin-top: .3rem; font-size: 1rem; line-height: 1.45; color: var(--ink); }

/* ---------- 11. Strata chart (home timeline) ---------- */
.strata-chart { position: relative; }
.strata-chart__axis { display: grid; grid-template-columns: 220px minmax(0, 1fr); }
.strata-chart__years { position: relative; height: 34px; border-bottom: 1px solid var(--line-strong); }
.strata-chart__years span { position: absolute; bottom: 8px; transform: translateX(-50%); font-family: var(--f-mono); font-size: .72rem; color: var(--ink-muted); }
.strata-chart__years span::after { content: ""; position: absolute; left: 50%; top: calc(100% + 8px); width: 1px; height: 6px; background: var(--line-strong); }
.strata-chart__years span:first-child { transform: none; }
.strata-chart__years span:first-child::after { left: 0; }
.strata-chart__years span:last-child { transform: translateX(-100%); }
.strata-chart__years span:last-child::after { left: 100%; }
.strata-chart__rows { list-style: none; }
.strata-row { display: grid; grid-template-columns: 220px minmax(0, 1fr); align-items: center; border-bottom: 1px solid var(--line); min-height: 88px; }
.strata-row__name { padding-right: 1.4rem; }
.strata-row__name b { display: block; font-family: var(--f-display); font-weight: 400; font-size: 1.2rem; line-height: 1.2; }
.strata-row__name span { display: block; margin-top: .3rem; font-family: var(--f-mono); font-size: .7rem; line-height: 1.45; color: var(--ink-muted); letter-spacing: .03em; }
.strata-row__track { position: relative; height: 88px; background-image: repeating-linear-gradient(90deg, rgba(23,25,27,.07) 0 1px, transparent 1px calc(100% / 24)); }
.strata-row__bar {
  position: absolute; top: 24px; bottom: 24px; left: calc(var(--s) * 100%); width: calc(var(--w) * 100%);
  background: var(--c, var(--stone)); transform-origin: 0 50%;
  display: flex; align-items: center; padding: 0 .8rem; overflow: hidden;
}
.strata-row__bar::before { content: ""; position: absolute; inset: 0; background: var(--tex, none); opacity: .5; }
.strata-row__bar span { position: relative; font-family: var(--f-mono); font-size: .72rem; letter-spacing: .06em; white-space: nowrap; color: var(--bar-ink, var(--graphite)); }
.strata-row__bar.is-current { box-shadow: inset -3px 0 0 var(--gold); }
.strata-chart__now { position: absolute; top: 0; bottom: 0; width: 0; border-left: 1px dashed var(--rust); }
.strata-chart__now span { position: absolute; top: -2px; right: 6px; font-family: var(--f-mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: var(--rust); white-space: nowrap; background: var(--sand); padding: 0 .3rem; }
.strata-legend { display: flex; flex-wrap: wrap; gap: .6rem 1.8rem; margin-top: 1.6rem; font-size: .85rem; color: var(--ink-muted); }
.strata-legend i { display: inline-block; width: 22px; height: 10px; margin-right: .5rem; vertical-align: -1px; }
.strata-notes { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin-top: clamp(2.5rem, 5vw, 4rem); border-top: 1px solid var(--line-strong); }
.strata-notes li { padding: 1.5rem 1.5rem 1.5rem 0; border-bottom: 1px solid var(--line); }
.strata-notes li + li { padding-left: 1.5rem; border-left: 1px solid var(--line); }
.strata-notes .num { font-size: 2.2rem; line-height: 1; color: var(--rust); display: block; margin-bottom: .6rem; }
.strata-notes p { font-size: .98rem; line-height: 1.6; color: var(--ink-2); }

/* ---------- 12. Home: Coal & Mines ledger ---------- */
.themes { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line-dark); }
.themes li { padding: 1.6rem 1.6rem 1.8rem 0; border-bottom: 1px solid var(--line-dark); }
.themes li:not(:nth-child(3n+1)) { padding-left: 1.6rem; border-left: 1px solid var(--line-dark); }
.themes .label { display: block; margin-bottom: .7rem; }
.themes h3 { font-size: 1.35rem; margin-bottom: .6rem; }
.themes p { font-size: .96rem; line-height: 1.6; color: var(--on-dark-muted); }
.ledger { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); margin-top: clamp(3rem, 6vw, 5rem); border: 1px solid var(--line-dark); }
.ledger__col { padding: clamp(1.4rem, 3vw, 2.4rem); }
.ledger__col + .ledger__col { border-left: 1px solid var(--line-dark); background: rgba(167,131,69,.06); }
.ledger__col h3 { font-size: 1.5rem; margin: .6rem 0 1rem; }
.ledger__col > p { color: var(--on-dark-muted); font-size: .98rem; }
.ledger__list { list-style: none; margin-top: 1.2rem; }
.ledger__list li { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: 1rem; padding: .85rem 0; border-top: 1px solid var(--line-dark); font-size: .95rem; line-height: 1.5; color: var(--on-dark-2); }
.ledger__list time, .ledger__list .k { font-family: var(--f-mono); font-size: .74rem; color: var(--accent-dark); padding-top: .15rem; }

/* ---------- 13. Dispatches (newspaper engagements) ---------- */
.dispatch-head { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1.5rem; padding-bottom: 1rem; border-bottom: 3px double var(--graphite); margin-bottom: 0; }
.dispatch-head .rule { height: 1px; background: var(--graphite); }
.dispatch-head h2 { font-size: clamp(1.8rem, 1.2rem + 2.4vw, 3.2rem); text-align: center; }
.dispatch-sub { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem 1rem; padding: .6rem 0; border-bottom: 1px solid var(--graphite); font-family: var(--f-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-muted); }
.dispatches { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.dispatch { padding: 1.8rem 1.4rem 2rem; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; }
.dispatch + .dispatch { border-left: 1px solid var(--line); }
.dispatch--lead { grid-column: span 2; padding-left: 0; }
.dispatch__dateline { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--rust); }
.dispatch h3 { font-size: 1.3rem; line-height: 1.22; margin: .7rem 0 .8rem; }
.dispatch--lead h3 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.15rem); }
.dispatch p { font-size: .96rem; line-height: 1.62; color: var(--ink-2); }
.dispatch--lead p { font-size: 1.02rem; column-count: 2; column-gap: 1.6rem; }
.dispatch dl { display: grid; grid-template-columns: auto 1fr; gap: .25rem .8rem; margin: 1.1rem 0 1rem; font-size: .82rem; line-height: 1.45; }
.dispatch dt { font-family: var(--f-mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-muted); padding-top: .12rem; }
.dispatch dd { color: var(--ink-2); }
.dispatch .src { margin-top: auto; padding-top: .8rem; border-top: 1px dotted var(--line-strong); }

/* ---------- 14. Image story ----------
   Three uncropped photographs form one exact rectangle: the right column's two
   stacked images always total the main image's height. The side column width is
   solved from the images' aspect ratios (r1 = 1194/1600, r2 = 600/606,
   r3 = 389/454) and the gap g = 24px:  W2 = (r1·T − (1+r1)·g) / (r1+r2+r3). */
.story { --g: 24px; --side: calc(28.7775% - 16.1616px); margin: 0; }
.story__plates { display: grid; grid-template-columns: minmax(0, 1fr) var(--side); gap: var(--g); align-items: start; }
.story__side { display: grid; gap: var(--g); }
.story__plate { position: relative; overflow: hidden; background: var(--graphite); }
.story__plate img { display: block; width: 100%; height: auto; transition: transform 1.1s var(--ease); }
.story__plate:hover img { transform: scale(1.03); }
.story__tag { position: absolute; left: 0; bottom: 0; padding: .35rem .6rem; background: rgba(23,25,27,.84); color: var(--accent-dark); font-family: var(--f-mono); font-size: .64rem; letter-spacing: .12em; text-transform: uppercase; line-height: 1.4; }
.story__caps { display: grid; grid-template-columns: minmax(0, 1fr) var(--side); column-gap: var(--g); row-gap: 1rem; margin-top: 1.1rem; }
.story__cap { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: .2rem .9rem; margin: 0; padding-top: .9rem; border-top: 1px solid var(--line-dark); font-size: .88rem; line-height: 1.5; color: var(--on-dark-2); }
.story__cap .fig__no { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-dark); padding-top: .15rem; white-space: nowrap; }
.story__cap .fig__meta { grid-column: 2; font-family: var(--f-mono); font-size: .72rem; letter-spacing: .04em; color: var(--on-dark-muted); }
.story__cap--main { grid-column: 1; grid-row: 1 / span 2; align-self: start; }
.story__cap--a { grid-column: 2; grid-row: 1; }
.story__cap--b { grid-column: 2; grid-row: 2; }
.story__note { margin: clamp(2rem, 4vw, 3rem) 0 0; max-width: 70ch; font-size: .95rem; color: var(--on-dark-muted); }
.story__note a { color: var(--on-dark); text-decoration-color: var(--accent-dark); }

/* ---------- 15. Contents index ---------- */
.contents { list-style: none; border-top: 1px solid var(--line-strong); }
.contents a {
  display: grid; grid-template-columns: 4.5rem minmax(0, 1.2fr) minmax(0, 2fr) 2rem; gap: 1.5rem; align-items: baseline;
  padding: 1.35rem 0; border-bottom: 1px solid var(--line); text-decoration: none; color: var(--ink);
  transition: padding .4s var(--ease), background .4s var(--ease);
}
.contents a:hover { padding-left: .8rem; background: linear-gradient(90deg, rgba(167,131,69,.1), transparent 70%); }
.contents .idx { font-family: var(--f-mono); font-size: .8rem; color: var(--accent-light); }
.contents .t { font-family: var(--f-display); font-size: clamp(1.3rem, 1.1rem + .8vw, 1.9rem); line-height: 1.15; }
.contents .d { font-size: .95rem; color: var(--ink-muted); line-height: 1.5; }
.contents svg { width: 18px; height: 18px; align-self: center; justify-self: end; transition: transform .35s var(--ease); }
.contents a:hover svg { transform: translateX(4px); }

/* ---------- 16. Inner page heads ---------- */
.crumbs { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-muted); }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: .3rem .6rem; }
.crumbs li + li::before { content: "/"; margin-right: .6rem; opacity: .6; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }
.crumbs [aria-current] { color: var(--ink); }
.sec--dark .crumbs, .page-head--dark .crumbs { color: var(--on-dark-muted); }
.page-head--dark .crumbs [aria-current] { color: var(--on-dark); }
.folio { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-muted); }
.page-head { position: relative; overflow: hidden; }
.page-head__top { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-block: 1.4rem; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.page-head--dark { background: var(--graphite); color: var(--on-dark); }
.page-head--dark .page-head__top { border-color: var(--line-dark); }
.page-head--dark .folio { color: var(--on-dark-muted); }
.page-title { font-size: clamp(2.4rem, 1.4rem + 4.2vw, 5.6rem); line-height: .98; letter-spacing: -.022em; }
.page-title em { font-style: italic; color: var(--bronze); }
.page-head--dark .page-title em { color: var(--accent-dark); }

/* About — dossier */
.dossier { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(2rem, 5vw, 5rem); padding-block: clamp(3rem, 6vw, 6rem); align-items: start; }
.dossier__intro .lede { margin-top: 1.8rem; max-width: 40rem; }
.dossier__card { background: var(--ivory-2); border: 1px solid var(--line); position: relative; }
.dossier__card .fig__frame { background: var(--sand); }
.dossier__card figcaption { padding: .8rem 1.2rem; font-size: .82rem; color: var(--ink-muted); border-bottom: 1px solid var(--line); }
.record { padding: .4rem 1.2rem 1rem; }
.record div { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr); gap: 1rem; padding: .75rem 0; border-bottom: 1px solid var(--line); font-size: .95rem; line-height: 1.5; }
.record div:last-child { border-bottom: 0; }
.record dt { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-muted); padding-top: .18rem; }
.record dd { color: var(--ink); }
.record .src { display: block; padding: 0 1.2rem 1.1rem; }

.bio { display: grid; grid-template-columns: 15rem minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); }
.bio__toc { position: sticky; top: calc(var(--header-h) + 2rem); align-self: start; }
.bio__toc ol { list-style: none; counter-reset: toc; border-left: 1px solid var(--line-strong); }
.bio__toc li { counter-increment: toc; }
.bio__toc a { display: flex; gap: .8rem; padding: .5rem 0 .5rem 1rem; margin-left: -1px; border-left: 2px solid transparent; font-size: .9rem; color: var(--ink-muted); text-decoration: none; line-height: 1.4; transition: color .3s, border-color .3s; }
.bio__toc a::before { content: counter(toc, decimal-leading-zero); font-family: var(--f-mono); font-size: .72rem; padding-top: .12rem; }
.bio__toc a:hover, .bio__toc a.is-active { color: var(--ink); border-left-color: var(--bronze); }
.bio__section { padding-bottom: clamp(2.5rem, 5vw, 4rem); margin-bottom: clamp(2.5rem, 5vw, 4rem); border-bottom: 1px solid var(--line); }
.bio__section:last-child { border-bottom: 0; margin-bottom: 0; }
.bio__section > .label { display: block; margin-bottom: .8rem; }
.bio__section h2 { font-size: clamp(1.8rem, 1.3rem + 1.8vw, 2.8rem); margin-bottom: 1.4rem; }
.pull { margin: 2rem 0; padding: 1.4rem 0 1.4rem 1.6rem; border-left: 3px solid var(--gold); font-family: var(--f-display); font-size: clamp(1.3rem, 1.1rem + .8vw, 1.8rem); line-height: 1.35; color: var(--ink); }
.pull cite { display: block; margin-top: .8rem; font-family: var(--f-mono); font-style: normal; font-size: .74rem; letter-spacing: .06em; color: var(--ink-muted); }

/* Early life — documentary */
.doc-head { padding-block: clamp(3.5rem, 7vw, 7rem) clamp(2.5rem, 5vw, 4rem); }
.doc-head__grid { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: 3rem; align-items: end; }
.doc-head__chapter { font-family: var(--f-display); font-style: italic; font-size: clamp(5rem, 3rem + 9vw, 12rem); line-height: .8; color: var(--bronze); opacity: .9; justify-self: end; }
.longform { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 7fr) minmax(0, 2fr); gap: clamp(1.5rem, 4vw, 4rem); }
.longform__margin { font-size: .86rem; line-height: 1.55; color: var(--ink-muted); }
.longform__margin .note { position: sticky; top: calc(var(--header-h) + 2rem); padding-top: .9rem; border-top: 1px solid var(--line-strong); }
.longform__margin .note + .note { margin-top: 2rem; }
.longform__margin .label { display: block; margin-bottom: .5rem; }
.longform__body h2 { font-size: clamp(1.8rem, 1.3rem + 1.8vw, 2.7rem); margin: 0 0 1.4rem; }
.longform__body .chapter { margin-bottom: clamp(3rem, 6vw, 5rem); }
.archival { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1.6rem; align-items: end; padding: 1.4rem; background: var(--ivory-2); border: 1px solid var(--line); margin: 2.4rem 0; }
.archival__img { width: 180px; background: var(--sand); padding: 8px; }
.archival__img img { width: 100%; height: auto; aspect-ratio: 195 / 259; object-fit: contain; }
.archival p { font-size: .9rem; line-height: 1.55; color: var(--ink-muted); }
.geo-card { position: relative; background: var(--graphite); color: var(--on-dark); padding: clamp(1.5rem, 3vw, 2.4rem); overflow: hidden; margin: 2.4rem 0; }
.geo-card .contours { --contour-img: url("../assets/graphics/contours-c-gold.svg"); --contour-opacity: .24; }
.geo-card > * { position: relative; }
.geo-card dl { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.2rem; margin-top: 1.4rem; }
.geo-card dt { font-family: var(--f-mono); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--on-dark-muted); }
.geo-card dd { font-family: var(--f-display); font-size: 1.25rem; line-height: 1.25; margin-top: .3rem; }
.geo-card .note-conceptual { margin-top: 1.4rem; font-size: .78rem; color: var(--on-dark-muted); font-family: var(--f-mono); }

/* Political journey — stratigraphic column */
.pj-head { padding-block: clamp(3.5rem, 7vw, 6.5rem); }
.pj-head__grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 3rem; align-items: end; }
.pj-head .lede { color: var(--on-dark-2); }
.column-key { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 2.6rem; }
.column-key li { padding: .9rem 1rem 1rem 0; border-top: 3px solid var(--c); font-size: .85rem; line-height: 1.4; color: var(--on-dark-2); }
.column-key li + li { padding-left: 1rem; }
.column-key b { display: block; font-family: var(--f-mono); font-weight: 500; font-size: .7rem; letter-spacing: .1em; color: var(--on-dark-muted); margin-bottom: .2rem; }
.strat { position: relative; }
.stratum { display: grid; grid-template-columns: minmax(0, 3fr) 70px minmax(0, 8fr); gap: 0 clamp(1.2rem, 3vw, 3rem); }
.stratum__when { padding: clamp(2.5rem, 5vw, 4rem) 0; text-align: right; }
.stratum__when .yrs { font-family: var(--f-display); font-size: clamp(2rem, 1.4rem + 2.2vw, 3.4rem); line-height: 1; font-feature-settings: "lnum"; }
.stratum__when .meta { display: block; margin-top: .6rem; }
.stratum__core { position: relative; background: var(--c); }
.stratum__core::before { content: ""; position: absolute; inset: 0; background: var(--tex, none); }
.stratum__core::after { content: attr(data-code); position: absolute; top: 1.2rem; left: 50%; transform: translateX(-50%); font-family: var(--f-mono); font-size: .68rem; letter-spacing: .1em; color: var(--code-ink, var(--graphite)); writing-mode: vertical-rl; }
.stratum__body { padding: clamp(2.5rem, 5vw, 4rem) 0; border-bottom: 1px solid var(--line); }
.stratum:last-child .stratum__body { border-bottom: 0; }
.stratum__body h2 { font-size: clamp(1.9rem, 1.3rem + 2vw, 3rem); margin: .6rem 0 1.2rem; }
.stratum__status { display: inline-flex; align-items: center; gap: .5rem; font-family: var(--f-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; padding: .3rem .6rem; border: 1px solid var(--line-strong); color: var(--ink-muted); }
.stratum__status.is-current { border-color: var(--bronze); color: var(--bronze); }
.stratum__status.is-current::before { content: ""; width: 6px; height: 6px; background: var(--gold); border-radius: 50%; }
.kv { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line-strong); margin: 1.8rem 0; }
.kv div { padding: .9rem 1rem .9rem 0; border-bottom: 1px solid var(--line); }
.kv div + div { padding-left: 1rem; border-left: 1px solid var(--line); }
.kv dt { font-family: var(--f-mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-muted); }
.kv dd { font-size: .98rem; line-height: 1.45; margin-top: .25rem; }
.stratum .fig { margin-top: 2rem; max-width: 640px; }

/* Parliamentary — archive tables */
.parl-head { padding-block: clamp(3rem, 6vw, 5.5rem); }
.parl-head__grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: 3rem; align-items: end; }
.tally { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--graphite); border-bottom: 1px solid var(--graphite); }
.tally div { padding: 1.2rem 1rem 1.2rem 0; }
.tally div + div { border-left: 1px solid var(--line); padding-left: 1rem; }
.tally .num { display: block; font-size: clamp(2.2rem, 1.6rem + 2vw, 3.4rem); line-height: 1; }
.tally span:last-child { display: block; margin-top: .5rem; font-size: .82rem; line-height: 1.4; color: var(--ink-muted); }
.table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; border-top: 2px solid var(--graphite); }
.rtable { min-width: 640px; font-size: .95rem; line-height: 1.5; }
.rtable caption { text-align: left; caption-side: bottom; padding-top: .9rem; font-size: .8rem; color: var(--ink-muted); font-family: var(--f-mono); }
.rtable th, .rtable td { text-align: left; vertical-align: top; padding: 1rem 1rem 1rem 0; border-bottom: 1px solid var(--line); }
.rtable th { font-family: var(--f-mono); font-weight: 500; font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-muted); padding-block: .8rem; }
.rtable td:first-child { white-space: nowrap; font-family: var(--f-mono); font-size: .82rem; color: var(--ink-2); }
.rtable td a { color: var(--ink); text-decoration-color: var(--bronze); overflow-wrap: anywhere; }
.rtable .pill { display: inline-block; padding: .12rem .5rem; border: 1px solid var(--line-strong); font-family: var(--f-mono); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; }
.notice { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1rem; padding: 1.2rem 1.4rem; background: var(--ivory-2); border-left: 3px solid var(--bronze); font-size: .92rem; line-height: 1.6; color: var(--ink-2); }
.notice svg { width: 20px; height: 20px; color: var(--bronze); margin-top: .15rem; }
.sec--sand .notice { background: rgba(245,241,232,.55); }
.sec--dark .notice { background: rgba(245,241,232,.05); color: var(--on-dark-2); border-left-color: var(--accent-dark); }
.duo { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1.5rem, 3vw, 3rem); align-items: start; }

/* Coal & Mines — technical interface */
.cm-head { padding-block: clamp(3rem, 6vw, 6rem) 0; }
.cm-head__grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 3rem; align-items: end; padding-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.readout { border: 1px solid var(--line-dark); font-family: var(--f-mono); }
.readout__row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1rem; padding: .85rem 1.1rem; border-bottom: 1px solid var(--line-dark); font-size: .8rem; color: var(--on-dark-2); }
.readout__row:last-child { border-bottom: 0; }
.readout__row b { font-weight: 500; color: var(--accent-dark); text-align: right; }
.readout__head { display: flex; justify-content: space-between; padding: .6rem 1.1rem; background: rgba(245,241,232,.05); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--on-dark-muted); border-bottom: 1px solid var(--line-dark); }
.cm-index { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--line-dark); }
.cm-index a { display: block; padding: 1.1rem 1rem 1.2rem 0; text-decoration: none; color: var(--on-dark-2); font-size: .9rem; line-height: 1.35; border-right: 1px solid var(--line-dark); transition: color .3s, background .3s; }
.cm-index a + a { padding-left: 1rem; }
.cm-index a:last-child { border-right: 0; }
.cm-index a:hover { color: var(--on-dark); background: rgba(167,131,69,.08); }
.cm-index b { display: block; font-family: var(--f-mono); font-weight: 500; font-size: .7rem; color: var(--accent-dark); margin-bottom: .3rem; letter-spacing: .08em; }
.tech-sec__head { display: grid; grid-template-columns: 6rem minmax(0, 1fr); gap: 1.5rem; margin-bottom: clamp(2rem, 4vw, 3.5rem); align-items: start; }
.tech-code { font-family: var(--f-mono); font-size: .8rem; color: var(--accent-light); border: 1px solid currentColor; padding: .5rem .6rem; text-align: center; letter-spacing: .08em; }
.sec--dark .tech-code { color: var(--accent-dark); }
.tech-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.panel { border: 1px solid var(--line-strong); background: var(--ivory); position: relative; }
.sec--dark .panel { border-color: var(--line-dark); background: rgba(245,241,232,.03); }
.panel__head { display: flex; justify-content: space-between; gap: 1rem; padding: .75rem 1.1rem; border-bottom: 1px solid var(--line); font-family: var(--f-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-muted); }
.sec--dark .panel__head { border-color: var(--line-dark); color: var(--on-dark-muted); }
.panel__body { padding: 1.3rem 1.1rem 1.1rem; }
.panel__foot { padding: .8rem 1.1rem; border-top: 1px solid var(--line); }
.sec--dark .panel__foot { border-color: var(--line-dark); }
.bars { list-style: none; display: grid; gap: 1rem; }
.bars li { display: grid; grid-template-columns: 5.5rem minmax(0, 1fr) 5.2rem; gap: .8rem; align-items: center; font-family: var(--f-mono); font-size: .8rem; }
.bars .bar { height: 22px; background: rgba(23,25,27,.06); position: relative; }
.sec--dark .bars .bar { background: rgba(245,241,232,.07); }
.bars .bar i { position: absolute; left: 0; top: 0; bottom: 0; width: calc(var(--v) * 100%); background: repeating-linear-gradient(90deg, var(--bronze) 0 3px, var(--gold) 3px 4px); transform-origin: 0 50%; }
.bars .val { text-align: right; font-weight: 500; }
.stat-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line-strong); }
.stat-row > div { padding: 1.3rem 1.2rem 1.3rem 0; border-bottom: 1px solid var(--line); }
.stat-row > div + div { padding-left: 1.2rem; border-left: 1px solid var(--line); }
.sec--dark .stat-row, .sec--dark .stat-row > div { border-color: var(--line-dark); }
.stat-row .num { display: block; font-size: clamp(2rem, 1.5rem + 1.8vw, 3rem); line-height: 1; }
.stat-row .num small { font-family: var(--f-sans); font-size: .4em; margin-left: .25rem; letter-spacing: 0; }
.stat-row p { margin-top: .55rem; font-size: .85rem; line-height: 1.5; color: var(--ink-muted); }
.sec--dark .stat-row p { color: var(--on-dark-muted); }
.stat-row .src { display: block; margin-top: .45rem; font-size: .7rem; }
.chain { list-style: none; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); counter-reset: ch; }
.chain li { counter-increment: ch; position: relative; padding: 1.2rem 1.2rem 1.2rem 0; border-top: 2px solid var(--graphite); }
.chain li + li { padding-left: 1.2rem; }
.chain li::before { content: "0" counter(ch); display: block; font-family: var(--f-mono); font-size: .72rem; color: var(--accent-light); margin-bottom: .6rem; }
.chain li::after { content: ""; position: absolute; top: -6px; left: 0; width: 10px; height: 10px; background: var(--ivory); border: 2px solid var(--graphite); border-radius: 50%; }
.chain li + li::after { left: 1.2rem; }
.chain h4 { font-size: 1.02rem; margin-bottom: .4rem; }
.chain p { font-size: .88rem; line-height: 1.55; color: var(--ink-muted); }
.mineral-list { list-style: none; display: flex; flex-wrap: wrap; gap: .45rem; }
.mineral-list li { padding: .35rem .7rem; border: 1px solid var(--line-strong); font-family: var(--f-mono); font-size: .76rem; letter-spacing: .02em; color: var(--ink-2); }
.sec--dark .mineral-list li { border-color: var(--line-dark); color: var(--on-dark-2); }
.xsection { position: relative; }
.xsection svg { width: 100%; height: auto; }
.xsection__note { margin-top: .8rem; }

/* Engagements — journal */
.journal-head { padding-block: clamp(3rem, 6vw, 5.5rem) clamp(2rem, 4vw, 3rem); }
.journal { position: relative; }
.journal__year { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: clamp(1.5rem, 4vw, 4rem); padding-top: 2rem; border-top: 2px solid var(--graphite); }
.journal__year + .journal__year { margin-top: clamp(3rem, 6vw, 5rem); }
.journal__marker { position: sticky; top: calc(var(--header-h) + 1.6rem); align-self: start; }
.journal__marker .num { font-size: clamp(3rem, 2rem + 4vw, 6rem); line-height: .9; color: var(--graphite); }
.journal__marker p { margin-top: .8rem; font-size: .88rem; color: var(--ink-muted); line-height: 1.5; }
.entry { display: grid; grid-template-columns: 7.2rem minmax(0, 1fr); gap: 1.4rem; padding: 1.8rem 0; border-bottom: 1px solid var(--line); }
.entry:first-child { padding-top: 0; }
.entry__date { font-family: var(--f-mono); line-height: 1.3; }
.entry__date .d { display: block; font-family: var(--f-display); font-size: 2.2rem; line-height: 1; color: var(--ink); }
.entry__date .m { display: block; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-muted); margin-top: .35rem; }
.entry .entry__tags { display: flex; flex-wrap: wrap; gap: .4rem .9rem; font-family: var(--f-mono); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--rust); margin-bottom: .5rem; }
.entry__tags span + span::before { content: "·"; margin-right: .9rem; color: var(--ink-muted); }
.entry h3 { font-size: clamp(1.25rem, 1.1rem + .5vw, 1.55rem); line-height: 1.25; margin-bottom: .7rem; }
.entry p { font-size: .98rem; line-height: 1.65; color: var(--ink-2); }
.entry blockquote { margin: 1rem 0; padding-left: 1.1rem; border-left: 2px solid var(--gold); font-family: var(--f-display); font-style: italic; font-size: 1.12rem; line-height: 1.5; color: var(--ink); }
.entry .src { display: block; margin-top: .8rem; }
.entry .fig { margin-top: 1.4rem; max-width: 620px; }

/* Documented work — research archive */
.filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.6rem; }
.chip {
  min-height: 40px; padding: .45rem .95rem; border: 1px solid var(--line-strong); background: transparent; cursor: pointer;
  font: 500 .8rem var(--f-mono); letter-spacing: .06em; color: var(--ink-2); transition: all .25s var(--ease);
}
.chip:hover { border-color: var(--graphite); color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--graphite); border-color: var(--graphite); color: var(--ivory); }
.chip .n { opacity: .65; margin-left: .35rem; }
.archive-status { font-family: var(--f-mono); font-size: .76rem; color: var(--ink-muted); margin-bottom: 1rem; }
.archive { list-style: none; border-top: 2px solid var(--graphite); }
.rec { display: grid; grid-template-columns: 7rem minmax(0, 2.2fr) minmax(0, 1.2fr) minmax(0, 3.4fr); gap: 1.4rem; padding: 1.4rem 0; border-bottom: 1px solid var(--line); font-size: .94rem; line-height: 1.55; }
.rec[hidden] { display: none; }
.rec__date { font-family: var(--f-mono); font-size: .8rem; color: var(--ink-2); }
.rec__cat { display: block; margin-top: .4rem; font-size: .64rem; letter-spacing: .12em; text-transform: uppercase; color: var(--rust); }
.rec__subject { font-family: var(--f-display); font-size: 1.16rem; line-height: 1.3; color: var(--ink); }
.rec__inst { color: var(--ink-2); }
.rec__inst .role { display: block; margin-top: .3rem; font-family: var(--f-mono); font-size: .72rem; color: var(--ink-muted); }
.rec__act { color: var(--ink-2); }
.rec__act .src { display: block; margin-top: .55rem; }
.archive-head { display: grid; grid-template-columns: 7rem minmax(0, 2.2fr) minmax(0, 1.2fr) minmax(0, 3.4fr); gap: 1.4rem; padding: .7rem 0; font-family: var(--f-mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-muted); }

/* Media — publication */
.media-head { padding-block: clamp(3rem, 6vw, 5rem) 0; }
.masthead-title { display: flex; justify-content: space-between; align-items: flex-end; gap: 2rem; padding-bottom: 1.2rem; border-bottom: 4px solid var(--graphite); flex-wrap: wrap; }
.masthead-title .page-title { font-size: clamp(2.6rem, 1.4rem + 5vw, 6.2rem); }
.issue-bar { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding: .6rem 0; border-bottom: 1px solid var(--graphite); font-family: var(--f-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-muted); }
.lead-story { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(1.5rem, 4vw, 3.5rem); padding-block: clamp(2rem, 4vw, 3.5rem); border-bottom: 1px solid var(--line-strong); align-items: start; }
.lead-story h2 { font-size: clamp(1.9rem, 1.3rem + 2.2vw, 3.1rem); margin: .8rem 0 1.1rem; line-height: 1.1; }
.media-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.story-card { display: flex; flex-direction: column; padding: 1.8rem 1.6rem 2rem 0; border-bottom: 1px solid var(--line); }
.story-card:not(:nth-child(3n+1)) { padding-left: 1.6rem; border-left: 1px solid var(--line); }
.story-card[hidden] { display: none; }
.story-card__meta { display: flex; justify-content: space-between; gap: 1rem; font-family: var(--f-mono); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; }
.story-card__meta .cat { color: var(--rust); }
.story-card__meta time { color: var(--ink-muted); }
.story-card h3 { font-size: 1.32rem; line-height: 1.25; margin: .8rem 0 .7rem; }
.story-card p { font-size: .95rem; line-height: 1.62; color: var(--ink-2); flex: 1; }
.story-card .arrow-link { margin-top: 1rem; font-size: .88rem; }
.media-note { margin-top: 2.5rem; }

/* Gallery */
.gal-head { padding-block: clamp(3rem, 6vw, 5.5rem) clamp(2rem, 4vw, 3rem); }
/* Gallery rows: column widths = each photo's width/height ratio, so all photos in a
   row share one height and one top/bottom edge, shown whole (no crop, no letterbox). */
.gallery { --g: 24px; display: grid; gap: clamp(2rem, 4vw, 3rem); }
.grow { display: grid; column-gap: var(--g); row-gap: 2rem; align-items: start; }
.grow--pair { grid-template-columns: minmax(0, 0.771875fr) minmax(0, 1fr); }            /* 1235×1600 · 1200×1200 */
.grow--trio { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.5fr) minmax(0, 1.678261fr); } /* 600×400 · 678×452 · 579×345 */
.gitem { position: relative; margin: 0; min-width: 0; }
.gitem button { display: block; width: 100%; padding: 0; border: 0; background: var(--graphite); cursor: zoom-in; position: relative; overflow: hidden; }
.gitem img { display: block; width: 100%; height: auto; transition: transform 1s var(--ease); }
.gitem button:hover img { transform: scale(1.03); }
.gitem button::after { content: ""; position: absolute; inset: 0; border: 1px solid rgba(190,154,92,0); transition: border-color .4s; pointer-events: none; }
.gitem button:hover::after, .gitem button:focus-visible::after { border-color: rgba(190,154,92,.8); }
.gitem figcaption { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: .15rem .9rem; margin-top: .9rem; padding-top: .9rem; border-top: 1px solid var(--line-dark); font-size: .86rem; line-height: 1.5; color: var(--on-dark-2); }
.gitem figcaption .fig__no { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-dark); padding-top: .15rem; white-space: nowrap; }
.gitem figcaption .meta { grid-column: 2; }
.photo-index { list-style: none; border-top: 1px solid var(--line-dark); columns: 2; column-gap: 3rem; }
.photo-index li { break-inside: avoid; display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--line-dark); font-size: .92rem; line-height: 1.5; color: var(--on-dark-2); }
.photo-index .idx { font-family: var(--f-mono); font-size: .72rem; color: var(--accent-dark); padding-top: .15rem; }
.photo-index a { color: var(--on-dark); text-decoration-color: var(--accent-dark); }

.lightbox { position: fixed; inset: 0; z-index: 300; background: rgba(15,16,17,.96); display: grid; grid-template-rows: auto minmax(0, 1fr) auto; opacity: 0; visibility: hidden; transition: opacity .3s var(--ease), visibility 0s linear .3s; }
.lightbox.is-open { opacity: 1; visibility: visible; transition: opacity .3s var(--ease), visibility 0s; }
.lightbox__bar { display: flex; justify-content: space-between; align-items: center; padding: .8rem var(--gutter); color: var(--on-dark-muted); font-family: var(--f-mono); font-size: .75rem; letter-spacing: .08em; }
.lightbox__stage { display: flex; align-items: center; justify-content: center; padding: 0 var(--gutter); min-height: 0; }
.lightbox__stage img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }
.lightbox__cap { padding: 1rem var(--gutter) 1.4rem; color: var(--on-dark-2); font-size: .92rem; text-align: center; }
.lb-btn { min-width: 48px; min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: .5rem; background: none; border: 1px solid var(--line-dark); color: var(--on-dark); cursor: pointer; font: 500 .75rem var(--f-mono); letter-spacing: .1em; text-transform: uppercase; padding: 0 .9rem; }
.lb-btn:hover { border-color: var(--accent-dark); }
.lb-btn svg { width: 16px; height: 16px; }
.lightbox__nav { display: flex; gap: .5rem; }

/* Contact */
.contact-wrap { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(2.5rem, 6vw, 7rem); padding-block: clamp(3rem, 6vw, 6rem); align-items: start; }
.contact-card { position: relative; }
.contact-lines { list-style: none; margin-top: 2.4rem; border-top: 1px solid var(--line-strong); }
.contact-lines li { display: grid; grid-template-columns: 6.5rem minmax(0, 1fr); gap: 1rem; padding: 1.2rem 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.contact-lines .k { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-muted); }
.contact-lines .v { font-family: var(--f-display); font-size: clamp(1.2rem, 1rem + .8vw, 1.6rem); line-height: 1.3; overflow-wrap: anywhere; }
.contact-lines a { text-decoration: none; background: linear-gradient(var(--bronze), var(--bronze)) left bottom / 100% 1px no-repeat; }
.contact-lines a:hover { color: var(--bronze); }
.contact-social { margin-top: 2rem; }
.form { background: var(--ivory-2); border: 1px solid var(--line); padding: clamp(1.4rem, 3.5vw, 3rem); position: relative; }
.form__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.4rem 1.4rem; }
.field { display: flex; flex-direction: column; gap: .45rem; }
.field--full { grid-column: 1 / -1; }
.field label { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); }
.field label .req { color: var(--rust); margin-left: .2rem; }
.field input, .field textarea, .field select {
  width: 100%; min-height: 50px; padding: .8rem .95rem; background: var(--ivory); border: 1px solid var(--line-strong); border-radius: 0;
  font-size: 1rem; line-height: 1.4; color: var(--ink); transition: border-color .25s, box-shadow .25s; -webkit-appearance: none; appearance: none;
}
.field textarea { min-height: 170px; resize: vertical; }
.field input:hover, .field textarea:hover { border-color: var(--slate); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--graphite); box-shadow: 0 0 0 3px rgba(167,131,69,.35); }
.field.has-error input, .field.has-error textarea { border-color: #8E2F22; background: #FBF3EF; }
.field__hint { font-size: .8rem; color: var(--ink-muted); line-height: 1.4; }
.field__error { display: none; align-items: flex-start; gap: .4rem; font-size: .85rem; font-weight: 500; color: #8E2F22; line-height: 1.4; }
.field.has-error .field__error { display: flex; }
.field__error::before { content: "!"; flex: none; display: inline-grid; place-items: center; width: 1.05rem; height: 1.05rem; margin-top: .1rem; border-radius: 50%; background: #8E2F22; color: #fff; font-size: .7rem; font-weight: 700; }
.form__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; margin-top: 1.8rem; }
.form__foot p { font-size: .82rem; color: var(--ink-muted); max-width: 34ch; line-height: 1.5; }
.form-status { display: none; margin-top: 1.6rem; padding: 1.1rem 1.2rem; border-left: 3px solid; font-size: .95rem; line-height: 1.55; }
.form-status.is-visible { display: block; }
.form-status--ok { border-color: #3E6B4A; background: #EEF3EC; color: #22402B; }
.form-status--warn { border-color: var(--bronze); background: #F6EEDF; color: #4A3520; }
.form-status--err { border-color: #8E2F22; background: #FBF1EE; color: #5E1E15; }
.form-status a { color: inherit; font-weight: 600; }
.form-summary { display: none; margin-bottom: 1.4rem; padding: 1rem 1.2rem; border: 1px solid #8E2F22; background: #FBF1EE; color: #5E1E15; font-size: .92rem; }
.form-summary.is-visible { display: block; }
.form-summary ul { margin-top: .4rem; padding-left: 1.2rem; }
.form-summary a { color: inherit; }

/* ---------- 17. Social icons ---------- */
.social { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; }
.social a { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; border: 1px solid var(--line-strong); color: var(--ink); transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease); }
.social a:hover { background: var(--graphite); color: var(--ivory); border-color: var(--graphite); }
.social svg { width: 18px; height: 18px; fill: currentColor; }
.foot .social a { border-color: var(--line-dark); color: var(--on-dark); }
.foot .social a:hover { background: var(--gold); border-color: var(--gold); color: var(--graphite); }

/* ---------- 18. Footer ---------- */
.foot { background: var(--graphite); color: var(--on-dark); position: relative; overflow: hidden; }
.foot .contours { --contour-img: url("../assets/graphics/contours-b-gold.svg"); --contour-opacity: .1; }
.foot__top { position: relative; display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 3rem; padding-block: clamp(3.5rem, 7vw, 6rem) clamp(2.5rem, 5vw, 4rem); border-bottom: 1px solid var(--line-dark); align-items: end; }
.foot__name { font-family: var(--f-display); font-size: clamp(2.2rem, 1.3rem + 3.6vw, 4.6rem); line-height: 1; letter-spacing: -.02em; }
.foot__name em { color: var(--accent-dark); }
.foot__tag { margin-top: 1.2rem; color: var(--on-dark-muted); max-width: 44ch; font-size: .98rem; }
.foot__social-wrap .label { display: block; margin-bottom: .9rem; }
.foot__cols { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2rem; padding-block: clamp(2.5rem, 5vw, 3.5rem); border-bottom: 1px solid var(--line-dark); }
.foot__col h2 { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--accent-dark); margin-bottom: 1rem; font-weight: 500; }
.foot__col ul { list-style: none; }
.foot__col li { margin-bottom: .15rem; }
.foot__col a { display: inline-flex; min-height: 36px; align-items: center; color: var(--on-dark-2); text-decoration: none; font-size: .95rem; transition: color .25s; }
.foot__col a:hover { color: var(--on-dark); text-decoration: underline; text-decoration-color: var(--accent-dark); }
.foot__contact li { display: block; color: var(--on-dark-2); font-size: .95rem; line-height: 1.5; margin-bottom: .6rem; }
.foot__contact .k { display: block; font-family: var(--f-mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: var(--on-dark-muted); }
.foot__contact a { min-height: 0; overflow-wrap: anywhere; }
.foot__bottom { position: relative; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem 2rem; padding-block: 1.6rem 2rem; font-size: .85rem; color: var(--on-dark-muted); }
.foot__bottom a { color: var(--on-dark); text-decoration-color: var(--accent-dark); }
.foot__disclaimer { position: relative; padding-bottom: 1.4rem; font-size: .8rem; color: var(--on-dark-muted); line-height: 1.6; max-width: 90ch; }
.foot__signout { background: none; border: 1px solid var(--line-dark); color: var(--on-dark-2); min-height: 40px; padding: .4rem .9rem; cursor: pointer; font: 500 .72rem var(--f-mono); letter-spacing: .1em; text-transform: uppercase; }
.foot__signout:hover { border-color: var(--accent-dark); color: var(--on-dark); }

/* ---------- 19. Motion ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }
.js .reveal-line { transform: scaleX(0); transform-origin: 0 50%; transition: transform 1.2s var(--ease); }
.js .reveal-line.is-in { transform: scaleX(1); }
.js .grow-x { transform: scaleX(0); transition: transform 1.3s var(--ease); }
.js .is-in .grow-x, .js .grow-x.is-in { transform: scaleX(1); }
.js .reveal-img .fig__frame img, .js .reveal-img img { clip-path: inset(0 0 100% 0); transition: clip-path 1.2s var(--ease); }
.js .reveal-img.is-in .fig__frame img, .js .reveal-img.is-in img { clip-path: inset(0 0 0 0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .js .reveal, .js .reveal-line, .js .grow-x, .js .reveal-img img, .js .reveal-img .fig__frame img { opacity: 1 !important; transform: none !important; clip-path: none !important; }
}

/* ---------- 20. Print ---------- */
@media print {
  .site { padding-top: 0 !important; }
  .topbar, .masthead, .masthead__meta, .drawer, .foot, .filters, .lightbox { display: none !important; }
  body { background: #fff; }
  .sec--dark, .page-head--dark { background: #fff; color: #000; }
}

/* ---------- 21. Dark-surface text guarantees (contrast) ---------- */
.page-head--dark .lede, .sec--charcoal .lede { color: var(--on-dark-2); }
.page-head--dark .meta, .page-head--dark .sec-head__aside, .sec--charcoal .sec-head__aside { color: var(--on-dark-muted); }
.sec--dark .prose ul li, .sec--charcoal .prose ul li, .page-head--dark .prose ul li { color: var(--on-dark-2); }
.sec--dark .prose ul li::before, .sec--charcoal .prose ul li::before { background: var(--accent-dark); }
.sec--dark .prose strong, .sec--charcoal .prose strong { color: var(--on-dark); }
.page-head--dark .label, .page-head--dark .eyebrow.label { color: var(--accent-dark); }
.sec--dark .pull, .sec--charcoal .pull { color: var(--on-dark); border-color: var(--accent-dark); }
.sec--dark .pull cite, .sec--charcoal .pull cite { color: var(--on-dark-muted); }
.sec--dark .src a, .page-head--dark .src a { color: var(--on-dark-2); text-decoration-color: var(--accent-dark); }
.sec--dark .mineral-list li { color: var(--on-dark-2); }