/* Solidus Commodities DMCC — one-page site.
   Palette and rules locked per SC/BRD/CP0001 v1.2 + DB0002 v2: five colours, no gradients,
   no shadows, no blur, no dark mode, radius 0 (2px inputs only). */

:root {
  --ink: #1A1512;
  --paper: #F5F1E8;
  --porphyry: #552936;
  --hairline: #DDD5C4;
  --muted: #7A7264;
  --ghost: #D4D0C8; /* 15% Ink flattened onto Paper, pre-computed */

  --font-display: 'Fraunces', 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-text: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --axes-display: 'opsz' 144, 'SOFT' 60, 'WONK' 0;
  --weight-display: 460;
}

html {
  color-scheme: light only;
}

body {
  margin: 0;
  border-top: 3px solid var(--ink); /* document-top rule */
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-text);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.75;
  font-variant-numeric: tabular-nums lining-nums;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

p { text-wrap: pretty; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

a { color: var(--ink); }
a:hover { color: var(--porphyry); }
::selection { background: var(--porphyry); color: var(--paper); }
:focus-visible { outline: 2px solid var(--porphyry); outline-offset: 2px; }

/* ---- Monogram ---- */

.monogram {
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  font-variation-settings: var(--axes-display);
  letter-spacing: 0.04em;
  color: var(--ink);
  font-size: 30px;
  line-height: 1;
  white-space: nowrap;
  display: inline-block;
}

.slash {
  height: 0.78em;
  width: auto;
  display: inline-block;
  vertical-align: -0.07em;
  margin: 0 0.08em;
}

.slash line {
  stroke: var(--porphyry);
  stroke-width: 7;
  stroke-linecap: round;
  stroke-dasharray: 96; /* line length ≈ 95.9 — enables the draw-on */
}

/* The slash is drawn, not typed — the header mark draws itself once at load. */
.slash-pre line { stroke-dashoffset: 96; }
.slash-drawn line {
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 0.6s ease-out 0.15s;
}

.monogram-small { font-size: 13px; } /* 44% of the 30px avatar */

.monogram-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--ink);
  background: var(--paper);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  flex: 0 0 auto;
}

/* ---- Header ---- */

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 32px;
  padding: 14px 28px;
  border-bottom: 1px solid var(--hairline);
  position: sticky;
  top: 0;
  z-index: 3;
  background: var(--paper);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.nav-link:hover { color: var(--porphyry); }

.nav-sep { color: var(--muted); }

/* ---- Hero — pinned film (cinema settles into document) ----
   Static (no JS / reduced motion): the settled framed panel.
   JS pins the section (1.9 viewports tall) and scrubs scale from full-bleed to frame. */

.hero { background: var(--paper); }

.hero-sticky {
  padding: 56px 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-box {
  margin: 0;
  width: min(1008px, 100%);
  aspect-ratio: 21 / 9;
  position: relative;
  border: 1px solid var(--hairline);
  box-sizing: border-box;
  background: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  transform-origin: center center;
  overflow: hidden;
}

.hero-box img,
.hero-box video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: var(--paper);
}

.hero-box img { object-fit: contain; } /* lockup ground is Paper — frames seamlessly */
.hero-box video { object-fit: cover; }

/* Portrait: the film runs full ultra-wide, bleeding edge to edge and sitting
   flush under the letterhead (whose hairline is the only rule between them).
   Native 21:9 — the film and its lockup end frame show uncropped. */
@media (max-width: 751px), (orientation: portrait) {
  .hero-sticky { padding: 0; }
  .hero-box {
    width: 100%;
    max-width: none;
    border: 0;
  }
}

/* ---- Scroll cue — appears when the film ends, dismissed by the first scroll ----
   No text over the film and no icons: the cue is the house device, a rule with round
   terminals that draws itself downward. JS-created; never present under reduced motion. */

.scroll-cue {
  /* fixed, not absolute: the sticky stage hangs below the fold by the header's
     height until the pin engages, which would push an absolute cue off-screen */
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  opacity: 0;
  transition: opacity 0.4s ease-out;
  pointer-events: none;
}

.scroll-cue.cue-on { opacity: 1; }
.scroll-cue.cue-off { opacity: 0; }

.scroll-cue svg {
  display: block;
  width: 8px;
  height: 44px;
  overflow: visible;
}

.scroll-cue line {
  stroke: var(--porphyry);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 40;
  stroke-dashoffset: 40;
}

.scroll-cue.cue-on line {
  animation: cue-draw 2.4s ease-out infinite;
}

@keyframes cue-draw {
  0%   { stroke-dashoffset: 40; opacity: 0; }
  12%  { opacity: 1; }
  45%  { stroke-dashoffset: 0; opacity: 1; }
  70%  { stroke-dashoffset: 0; opacity: 1; }
  92%  { stroke-dashoffset: 0; opacity: 0; }
  100% { stroke-dashoffset: 0; opacity: 0; }
}

/* ---- Reveal machinery ----
   JS arms off-screen elements with .rv and fires .rv-in once on entry; --rv-delay
   staggers batches. Without JS (or under reduced motion) nothing is ever hidden. */

.rv:not(.crow):not(.pair-item) {
  opacity: 0;
  transform: translateY(8px);
}

.rv.rv-in:not(.crow):not(.pair-item) {
  opacity: 1;
  transform: none;
  transition:
    opacity 0.4s ease-out var(--rv-delay, 0ms),
    transform 0.4s ease-out var(--rv-delay, 0ms);
}

/* ---- Section heading pattern ---- */

.section-head {
  border-top: 1px solid var(--hairline);
  padding-top: 16px;
  margin-bottom: 20px;
  position: relative;
}

/* The rule draws in: a Paper cover over the hairline retracts to the right.
   Default is uncovered, so the rule is always present without JS. */
.section-head::after {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--paper);
  transform-origin: 100% 50%;
  transform: scaleX(0);
}

.rv .section-head::after,
.section-head.rv::after { transform: scaleX(1); }

.rv.rv-in .section-head::after,
.section-head.rv.rv-in::after {
  transform: scaleX(0);
  transition: transform 0.6s ease-out var(--rv-delay, 0ms);
}

.section-head-tight { margin-bottom: 0; }

.section-head h2 {
  margin: 0;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.7;
}

/* ---- The firm ---- */

.firm {
  max-width: 664px;
  margin: 0 auto;
  padding: 80px 28px 0;
  box-sizing: content-box;
}

.firm p { margin: 0; max-width: 62ch; }
.firm p + p { margin-top: 1em; }

.firm .firm-note {
  margin-top: 44px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 58ch;
}

/* ---- Commodities — editorial index ---- */

.commodities { padding-top: 112px; }

.commodities-intro {
  max-width: 664px;
  margin: 0 auto;
  padding: 0 28px;
  box-sizing: content-box;
}

.commodities-intro p { margin: 0; max-width: 62ch; }

.commodity-rows {
  max-width: 1200px;
  margin: 128px auto 0;
  padding: 0 28px;
  display: flex;
  flex-direction: column;
  gap: 140px;
  box-sizing: content-box;
}

.crow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: 40px 72px;
  align-items: center;
}

.crow-text {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.crow-text-mirror {
  align-items: flex-end;
  text-align: right;
}

.crow-num {
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  font-variation-settings: var(--axes-display);
  font-size: clamp(6rem, 11vw, 10rem);
  line-height: 0.9;
  color: var(--ghost);
  transition: color 0.3s ease-out;
}

.crow-num.is-current { color: var(--porphyry); } /* the in-view row's numeral */

.crow-name {
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--ink);
}

.crow-text p { margin: 2px 0 0; max-width: 40ch; }

.crow-media {
  justify-self: end;
  width: 100%;
  max-width: 460px;
}

.crow-media-left { justify-self: start; }

.crow-frame {
  aspect-ratio: 4 / 5;
  border: 1px solid var(--ink); /* the plate rule — photographs sit in Ink frames */
  box-sizing: border-box;
  will-change: transform;
  overflow: hidden;
}

/* ---- Condensed pairs — full spread / pair / full spread / pair cadence ---- */

.crow-pair {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 56px 72px;
  align-items: start;
}

.pair-item {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pair-item .crow-frame {
  aspect-ratio: 1 / 1; /* square plates — a second format, not a smaller copy */
  width: 100%;
  align-self: stretch;
}

.pair-item .crow-num {
  font-size: clamp(3.5rem, 5vw, 5rem);
}

.pair-item p { margin: 2px 0 0; max-width: 40ch; }

.crow-pair-mirror .pair-item {
  align-items: flex-end;
  text-align: right;
}

.crow-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---- Row arrival choreography (once per row) ----
   Numeral, then name, then the line, while the photograph settles into its frame. */

.crow.rv .crow-num,
.pair-item.rv .crow-num {
  transition:
    opacity 0.5s ease-out var(--rv-delay, 0ms),
    transform 0.5s ease-out var(--rv-delay, 0ms),
    color 0.3s ease-out;
}

.crow.rv .crow-name,
.pair-item.rv .crow-name {
  transition:
    opacity 0.5s ease-out calc(var(--rv-delay, 0ms) + 90ms),
    transform 0.5s ease-out calc(var(--rv-delay, 0ms) + 90ms);
}

.crow.rv .crow-text p,
.pair-item.rv p {
  transition:
    opacity 0.5s ease-out calc(var(--rv-delay, 0ms) + 180ms),
    transform 0.5s ease-out calc(var(--rv-delay, 0ms) + 180ms);
}

.crow.rv .crow-frame img,
.pair-item.rv .crow-frame img {
  transition:
    opacity 0.6s ease-out var(--rv-delay, 0ms),
    transform 0.6s ease-out var(--rv-delay, 0ms);
}

.crow.rv:not(.rv-in) .crow-num,
.pair-item.rv:not(.rv-in) .crow-num { opacity: 0; transform: translateY(12px); }
.crow.rv:not(.rv-in) .crow-name,
.crow.rv:not(.rv-in) .crow-text p,
.pair-item.rv:not(.rv-in) .crow-name,
.pair-item.rv:not(.rv-in) p { opacity: 0; transform: translateY(10px); }
.crow.rv:not(.rv-in) .crow-frame img,
.pair-item.rv:not(.rv-in) .crow-frame img { opacity: 0; transform: scale(1.04); }

/* ---- Compliance — sticky title, stamped register ---- */

.compliance {
  max-width: 1008px;
  margin: 0 auto;
  padding: 128px 28px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 32px 64px;
  align-items: flex-start;
  box-sizing: content-box;
}

.compliance-title {
  flex: 1 1 220px;
  min-width: 220px;
  position: sticky;
  top: var(--header-h, 0px); /* holds below the sticky letterhead */
  background: var(--paper);
  padding-bottom: 8px;
}

.compliance-register { flex: 2.4 1 400px; }

.register {
  margin: 0;
  border-bottom: 1px solid var(--hairline);
}

.register-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 28px;
  border-top: 1px solid var(--hairline);
  padding: 14px 0;
}

/* Compliance rows: each rule draws in with its stamp (Paper cover retracts right). */
[data-comp-row] { position: relative; }

[data-comp-row]::after {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--paper);
  transform-origin: 100% 50%;
  transform: scaleX(0);
}

[data-comp-row].rv::after { transform: scaleX(1); }

[data-comp-row].rv.rv-in::after {
  transform: scaleX(0);
  transition: transform 0.6s ease-out var(--rv-delay, 0ms);
}

.register-row-first { border-top: 0; }

.register-row dt {
  flex: 0 0 208px;
  font-weight: 500; /* no text-transform — "goAML" casing survives */
}

.register-row dd {
  flex: 1 1 260px;
  margin: 0;
}

.register-close { margin: 28px 0 0; max-width: 62ch; }

/* ---- Company details — zero motion ---- */

.company {
  max-width: 664px;
  margin: 0 auto;
  padding: 128px 28px 0;
  box-sizing: content-box;
}

/* ---- Footer — zero motion ---- */

.site-footer {
  max-width: 664px;
  margin: 96px auto 0;
  padding: 24px 28px 56px;
  box-sizing: content-box;
}

.footer-inner {
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-text { flex: 1 1 380px; }

.footer-text p {
  margin: 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
}

.footer-text p + p { margin-top: 6px; }

/* ---- Anchors land clear of the top edge ---- */

#commodities,
#company-details { scroll-margin-top: calc(var(--header-h, 0px) + 24px); }

/* ---- Large screens: the document scales as a sheet ----
   Composition and measure are locked (664/1008/1200 columns, 62ch); on wide viewports the
   whole sheet enlarges proportionally instead of drowning in Paper. Stepped fallback here;
   site.js refines it to a continuous scale (viewport / 1360, capped 2.6). */

@media (min-width: 1440px) { body { zoom: 1.06; } }
@media (min-width: 1600px) { body { zoom: 1.18; } }
@media (min-width: 1760px) { body { zoom: 1.29; } }
@media (min-width: 1920px) { body { zoom: 1.41; } }
@media (min-width: 2240px) { body { zoom: 1.65; } }
@media (min-width: 2560px) { body { zoom: 1.88; } }
@media (min-width: 3000px) { body { zoom: 2.21; } }
@media (min-width: 3440px) { body { zoom: 2.53; } }
@media (min-width: 3840px) { body { zoom: 2.6; } }

/* ---- Wide viewports: the document opens its margins ----
   From 1600px the text sections widen to the compliance band (1008px) and the firm
   adopts the head-left / body-right register layout. Line measure stays 62ch —
   the block occupies the sheet; the lines stay readable. */

@media (min-width: 1600px) {
  .firm,
  .commodities-intro,
  .company,
  .site-footer { max-width: 1008px; }

  .firm > div {
    display: grid;
    grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
    column-gap: 64px;
  }

  .firm .section-head { grid-column: 1; grid-row: 1; }
  .firm p { grid-column: 2; }
  .firm .firm-note {
    grid-column: 1;
    grid-row: 2;
    margin-top: 0;
    align-self: start;
  }
}

/* ---- Reduced motion: the static settled document ---- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ---- Print: the page is a document — print it as one ---- */

@media print {
  body { zoom: 1 !important; }
  .hero { display: none; }
  .rv, .rv * { opacity: 1 !important; transform: none !important; }
  .section-head::after,
  [data-comp-row]::after { display: none; } /* rules print uncovered */
  .compliance-title { position: static; }
  .crow-frame { break-inside: avoid; }
  .register-row { break-inside: avoid; }
}