/* ============================================================
   MASSIF — béton brut with golden hour
   concrete #C9C7C1 · shutter #8E8C86 · ink #1A1A1A
   safety orange #E8641B · gallery white #EDEBE6
   ============================================================ */

:root {
  --concrete: #C9C7C1;
  --concrete-deep: #BAB8B1;
  --shutter: #8E8C86;
  --ink: #1A1A1A;
  --orange: #E8641B;
  --white: #EDEBE6;
  --gold: #E9B368;
  --display: "Oswald", "Arial Narrow", sans-serif;
  --body: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "Martian Mono", ui-monospace, monospace;
  --max: 1160px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  background: var(--concrete);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--orange); color: var(--white); }

/* cast-material grain over the whole page */
body::after {
  content: ""; position: fixed; inset: 0; z-index: 80;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px 160px;
  mix-blend-mode: multiply;
  opacity: .045;
}

a { color: inherit; }
:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
  border-radius: 1px;
}

.skip {
  position: absolute; left: 1rem; top: -4rem; z-index: 60;
  background: var(--ink); color: var(--white);
  font-family: var(--mono); font-size: .7rem; text-decoration: none;
  padding: .7rem 1rem; transition: top .2s;
}
.skip:focus-visible { top: 1rem; }

.mono { font-family: var(--mono); }

/* ---------- wayfinding numbers ---------- */
.way-num {
  font-family: var(--mono);
  font-size: .72em;
  font-weight: 500;
  color: var(--orange);
  letter-spacing: .06em;
}
.way-num.big {
  display: inline-block;
  font-size: .8rem;
  border: 2px solid var(--orange);
  color: var(--orange);
  padding: .35rem .55rem;
  line-height: 1;
}

/* ---------- header ---------- */
.site-head {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; gap: 2.2rem;
  padding: .9rem clamp(1.2rem, 4vw, 3rem);
  background: color-mix(in srgb, var(--concrete) 84%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 14%, transparent);
}
.wordmark {
  font-family: var(--display); font-weight: 600; font-size: 1.5rem;
  letter-spacing: .14em; text-decoration: none; line-height: 1;
  color: var(--ink);
}
.site-head nav { display: flex; gap: 1.5rem; margin-left: auto; }
.site-head nav a {
  font-family: var(--display); font-weight: 500; font-size: .82rem;
  letter-spacing: .12em; text-transform: uppercase; text-decoration: none;
  color: var(--ink); opacity: .82; padding: .2rem 0;
  border-bottom: 2px solid transparent;
  transition: opacity .2s, border-color .2s;
}
.site-head nav a b { color: var(--orange); font-weight: 500; margin-right: .3rem; }
.site-head nav a:hover { opacity: 1; border-bottom-color: var(--ink); }
.site-head nav a[aria-current="true"] { opacity: 1; border-bottom-color: var(--orange); }
.head-cta {
  font-family: var(--display); font-weight: 500; font-size: .82rem;
  letter-spacing: .12em; text-transform: uppercase; text-decoration: none;
  background: var(--ink); color: var(--white);
  padding: .55rem 1rem; line-height: 1;
  transition: background .2s;
}
.head-cta:hover { background: var(--orange); }
@media (max-width: 900px) {
  .site-head nav { display: none; }
  .head-cta { margin-left: auto; }
}

/* ============================================================
   SCROLLY — stage + overlays
   ============================================================ */
.scrolly { position: relative; }

.stage {
  position: sticky; top: 0; height: 100vh; height: 100svh;
  overflow: hidden;
}
.stage-sky {
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 90% at 78% 88%, rgba(233, 179, 104, .0) 0%, rgba(233, 179, 104, 0) 55%, transparent 70%),
    linear-gradient(to bottom, #D3D1CB 0%, var(--concrete) 55%, #C0BEB7 100%);
}
.stage-sky::after { /* warm wash driven by JS via opacity on this layer */
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(110% 80% at 20% 75%, rgba(232, 140, 60, .28) 0%, rgba(233, 179, 104, .12) 45%, transparent 72%);
  opacity: var(--warm, 0); transition: opacity .3s linear;
}
#estate-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

.dim-layer { position: absolute; inset: 0; pointer-events: none; }
.dim-label {
  position: absolute; transform: translate(-50%, -50%);
  font-family: var(--mono); font-size: .68rem; font-weight: 500;
  color: var(--orange); white-space: nowrap;
  background: color-mix(in srgb, var(--concrete) 78%, transparent);
  padding: .15rem .4rem;
  opacity: 0;
}

.stage-caption {
  position: absolute; left: clamp(1.2rem, 4vw, 3rem); bottom: 1.4rem;
  display: flex; gap: .6rem; align-items: baseline;
  font-family: var(--mono); font-size: .7rem; letter-spacing: .08em;
  color: var(--ink); opacity: 0; transition: opacity .4s;
}
.stage-caption .cap-num { color: var(--orange); font-weight: 500; }
.stage-caption.on { opacity: .9; }

/* overlays scroll over the sticky stage */
.overlays { position: relative; margin-top: -100vh; margin-top: -100svh; pointer-events: none; }
.overlays > * { pointer-events: auto; }

.hero-block {
  min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 0 clamp(1.2rem, 4vw, 3rem) 9vh;
  max-width: 860px;
}
.eyebrow {
  font-family: var(--mono); font-size: .72rem; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 1.4rem;
  align-self: flex-start;
}
.hero-block .eyebrow { /* stays readable across the model */
  background: color-mix(in srgb, var(--concrete) 78%, transparent);
  padding: .3rem .5rem;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
h1 {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(3.2rem, 8.6vw, 7.4rem);
  line-height: .96; letter-spacing: .015em;
  /* embossed-in-concrete */
  color: #55534E;
  text-shadow: 0 1px 0 rgba(255,255,255,.55), 0 -1px 1px rgba(0,0,0,.28);
}
.hero-sub {
  max-width: 34em; margin-top: 1.6rem;
  font-size: clamp(1rem, 1.4vw, 1.2rem); line-height: 1.55;
}
.hero-cue {
  margin-top: 2.6rem;
  font-family: var(--display); font-weight: 500; font-size: .95rem;
  letter-spacing: .22em;
}
.hero-cue .way-num { font-size: .75rem; margin-right: .5rem; }
.cue-arrow { display: inline-block; color: var(--orange); margin-left: .4rem;
  animation: cue 2.2s cubic-bezier(.45, 0, .2, 1) infinite; }
@keyframes cue { 0%,100% { transform: translateY(0); } 50% { transform: translateY(.4em); } }
.noscript-note { margin-top: 1rem; font-family: var(--mono); font-size: .72rem; color: var(--orange); }

/* ---------- plaques (cast-concrete cards) ---------- */
.plaque {
  width: min(430px, calc(100% - 2.4rem));
  margin: 78vh clamp(1.2rem, 5vw, 5rem) 0 auto;
  background: linear-gradient(168deg, #D2D0CA 0%, #C6C4BE 60%, #BFBDB6 100%);
  border: 1px solid rgba(26,26,26,.16);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.5),
    0 1px 2px rgba(26,26,26,.18),
    0 14px 34px -14px rgba(26,26,26,.38);
  padding: 1.7rem 1.8rem 1.5rem;
}
.plaque:last-of-type { margin-bottom: 0; }
/* reveal (JS present only) */
html.js .plaque { opacity: 0; transform: translateY(26px);
  transition: opacity .7s cubic-bezier(.2, .7, .25, 1), transform .7s cubic-bezier(.2, .7, .25, 1); }
html.js .plaque.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html.js .plaque { opacity: 1; transform: none; transition: none; }
}
.scrolly-tail { height: 95vh; }

.plaque-way {
  font-family: var(--mono); font-size: .66rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--ink); opacity: .82;
  margin-bottom: 1rem;
}
.plaque-way .way-num { font-size: 1em; margin-right: .45rem; }
.plaque h2 {
  font-family: var(--display); font-weight: 600; font-size: 2.1rem;
  line-height: 1.05; text-transform: uppercase; letter-spacing: .03em;
  display: flex; flex-direction: column; gap: .2rem;
}
.plaque-no {
  font-size: .58em; font-weight: 500; letter-spacing: .1em;
  color: #6E6C66;
  text-shadow: 0 1px 0 rgba(255,255,255,.55), 0 -1px 0 rgba(0,0,0,.22);
}
.plaque-kind {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--orange); font-weight: 500;
  margin: .5rem 0 .9rem;
}
.plaque-copy { font-size: .95rem; line-height: 1.6; }
.plaque-specs {
  margin-top: 1.2rem; border-top: 1px solid rgba(26,26,26,.22);
  display: grid; grid-template-columns: 1fr 1fr;
}
.plaque-specs > div {
  display: flex; flex-direction: column; gap: .1rem;
  padding: .6rem .2rem .5rem 0;
  border-bottom: 1px solid rgba(26,26,26,.13);
}
.plaque-specs dt {
  font-family: var(--mono); font-size: .58rem; letter-spacing: .12em;
  text-transform: uppercase; opacity: .62;
}
.plaque-specs dd { font-family: var(--mono); font-size: .78rem; font-weight: 500; }
.plaque-specs dd.ok { color: var(--orange); }
.plaque-chair {
  margin-top: .9rem;
  font-family: var(--mono); font-size: .62rem; font-weight: 500;
  letter-spacing: .1em; color: var(--orange);
}
.plaque-chair::before {
  content: ""; display: inline-block; width: .55em; height: .55em;
  background: var(--orange); margin-right: .55em;
}

/* ============================================================
   BANDS (post-scrolly sections)
   ============================================================ */
.band {
  position: relative;
  background: var(--concrete);
  padding: clamp(4.5rem, 9vw, 7.5rem) clamp(1.2rem, 4vw, 3rem);
}
.band-white { background: var(--white); }
.band > * { max-width: var(--max); margin-left: auto; margin-right: auto; }

.band-head {
  display: flex; align-items: baseline; gap: 1.1rem; flex-wrap: wrap;
  margin-bottom: clamp(2.2rem, 4vw, 3.4rem);
}
.band-head h2 {
  font-family: var(--display); font-weight: 600;
  font-size: clamp(1.9rem, 4vw, 3rem);
  letter-spacing: .05em; line-height: 1;
}
.band-note {
  flex-basis: 100%; max-width: 44em; margin-top: .9rem;
  font-size: .95rem; opacity: .85;
}

/* practice */
.wall-text { max-width: 46em; margin-left: 0; }
.wall-text .lede, .viewings-grid .lede {
  font-family: var(--display); font-weight: 500;
  font-size: clamp(1.4rem, 2.6vw, 2rem); line-height: 1.3;
  letter-spacing: .01em; text-transform: none;
  margin-bottom: 1.4rem;
}
.wall-text p + p { margin-top: 1.1rem; }

.fact-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: rgba(26,26,26,.2); border: 1px solid rgba(26,26,26,.2);
  margin-top: 3.2rem;
}
.fact-strip > div { background: var(--concrete); padding: 1.1rem 1.2rem 1rem; }
.fact-strip dt {
  font-family: var(--mono); font-size: .6rem; letter-spacing: .12em;
  text-transform: uppercase; opacity: .65;
}
.fact-strip dd {
  font-family: var(--display); font-weight: 600; font-size: 2.4rem; line-height: 1.1;
}

/* standard plates */
.plates {
  list-style: none;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem;
}
.plate {
  position: relative;
  background: linear-gradient(165deg, #D4D2CC 0%, #C7C5BF 70%, #C0BEB7 100%);
  border: 1px solid rgba(26,26,26,.15);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.55), 0 2px 3px rgba(26,26,26,.14);
  padding: 1.5rem 1.5rem 1.3rem;
  transition: transform .3s cubic-bezier(.2, .8, .25, 1), box-shadow .3s;
}
.plate:hover {
  transform: translateY(-4px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.55), 0 14px 26px -12px rgba(26,26,26,.4);
}
.plate-no {
  font-family: var(--mono); font-weight: 500; font-size: 1.05rem;
  color: #6E6C66;
  text-shadow: 0 1px 0 rgba(255,255,255,.6), 0 -1px 0 rgba(0,0,0,.22);
}
.plate h3 {
  font-family: var(--display); font-weight: 600; font-size: 1.35rem;
  text-transform: uppercase; letter-spacing: .07em;
  margin: .5rem 0 .6rem;
}
.plate p { font-size: .92rem; line-height: 1.55; }
.plate-spec {
  margin-top: 1rem; padding-top: .7rem;
  border-top: 1px solid rgba(26,26,26,.2);
  font-family: var(--mono); font-size: .62rem !important; letter-spacing: .06em;
  color: var(--ink); opacity: .8;
}

/* concrete hour */
.hour-fig { background: var(--white); border: 1px solid rgba(26,26,26,.16);
  padding: clamp(1rem, 3vw, 2.4rem); }
.hour-chart { width: 100%; height: auto; display: block; }
.hour-chart .grid line { stroke: rgba(26,26,26,.14); stroke-width: 1; }
.hour-chart .grid text, .hour-chart .months text {
  font-family: var(--mono); font-size: 13px; fill: rgba(26,26,26,.62);
  text-anchor: end;
}
.hour-chart .months text { text-anchor: middle; }
.hour-chart .bst { stroke: var(--shutter); }
.hour-chart .bst-label { font-family: var(--mono); font-size: 12px; fill: var(--shutter); }
.hour-chart .gold-line { fill: none; stroke: var(--gold); stroke-width: 3; }
.hour-chart .gold-dots circle { fill: var(--orange); }
.hour-chart .today-marker circle { fill: none; stroke: var(--orange); stroke-width: 2.5; }
.hour-chart .today-marker text {
  font-family: var(--mono); font-size: 13px; font-weight: 500;
  fill: var(--orange); text-anchor: middle; letter-spacing: .06em;
}
.hour-chart .dot-labels text {
  font-family: var(--mono); font-size: 13px; font-weight: 500;
  fill: var(--ink); text-anchor: middle;
}
.hour-fig figcaption {
  margin-top: 1rem;
  font-family: var(--mono); font-size: .68rem; line-height: 1.7; opacity: .75;
  max-width: 52em;
}

/* facts table */
.facts-scroll { overflow-x: auto; }
.facts-table {
  width: 100%; min-width: 720px; border-collapse: collapse;
  font-size: .92rem;
}
.facts-table th, .facts-table td {
  text-align: left; vertical-align: top;
  padding: .8rem 1rem .8rem 0;
  border-bottom: 1px solid rgba(26,26,26,.18);
}
.facts-table thead th {
  font-family: var(--display); font-weight: 600; font-size: 1rem;
  text-transform: uppercase; letter-spacing: .06em;
  border-bottom: 2px solid var(--ink);
}
.facts-table tbody th {
  font-family: var(--mono); font-size: .64rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase; opacity: .72;
  padding-right: 1.4rem; white-space: nowrap;
}
.candor {
  margin-top: 2rem; max-width: 52em;
  padding: 1.1rem 1.3rem;
  border-left: 4px solid var(--orange);
  background: color-mix(in srgb, var(--orange) 6%, var(--white));
  font-size: .95rem;
}

/* viewings */
.viewings-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 3rem; align-items: start; }
.viewings-grid .lede { max-width: 18em; }
.viewings-card {
  background: linear-gradient(168deg, #D2D0CA, #BFBDB6);
  border: 1px solid rgba(26,26,26,.16);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.5), 0 2px 4px rgba(26,26,26,.15);
  padding: 1.8rem;
}
.cta {
  display: inline-block;
  font-family: var(--display); font-weight: 500; font-size: 1rem;
  letter-spacing: .12em; text-transform: uppercase; text-decoration: none;
  background: var(--orange); color: var(--white);
  padding: .9rem 1.4rem;
  transition: background .2s, transform .2s cubic-bezier(.2, .8, .25, 1);
}
.cta:hover { background: var(--ink); transform: translateY(-2px); }
address { font-style: normal; margin-top: 1.4rem; display: grid; gap: .45rem; }
address .mono { font-size: .68rem; letter-spacing: .06em; }
.small-note {
  margin-top: 1.4rem; padding-top: 1rem;
  border-top: 1px solid rgba(26,26,26,.2);
  font-size: .86rem; opacity: .85;
}

/* footer */
.site-foot {
  background: var(--ink); color: var(--white);
  padding: 3rem clamp(1.2rem, 4vw, 3rem) 3.2rem;
  text-align: left;
}
.foot-mark {
  font-family: var(--display); font-weight: 600; font-size: 1.4rem;
  letter-spacing: .14em;
}
.foot-line { margin-top: .7rem; font-size: .9rem; opacity: .72; max-width: 40em; }
.credit { margin-top: 1.6rem; font-family: var(--mono); font-size: .64rem; opacity: .6; }
.credit a { color: inherit; }

/* ============================================================
   responsive
   ============================================================ */
@media (max-width: 1024px) {
  .plates { grid-template-columns: repeat(2, 1fr); }
  .fact-strip { grid-template-columns: repeat(2, 1fr); }
  .viewings-grid { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 640px) {
  body { font-size: 1rem; }
  .plates { grid-template-columns: 1fr; }
  .hero-block { padding-bottom: 14vh; }
  .plaque {
    margin-left: auto; margin-right: auto;
    margin-top: 88vh;
    padding: 1.4rem 1.3rem 1.2rem;
  }
  .plaque-specs { grid-template-columns: 1fr 1fr; }
  .stage-caption { display: none; }
  .band-head { gap: .8rem; }
  .fact-strip dd { font-size: 1.9rem; }
}

/* ============================================================
   reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .cue-arrow { animation: none; }
  .plate, .cta { transition: none; }
  .plate:hover { transform: none; }
  .stage-sky::after { transition: none; }
}