:root{
  --concrete: #c8c4be;
  --concrete-2: #a8a39c;
  --ink: #0d0d0d;
  --danger: #e63d1f;
  --paper: #efece6;
  --mute: #5c5953;
}

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

html, body{
  background: var(--concrete);
  color: var(--ink);
  font-family: "Archivo", system-ui, sans-serif;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body{
  /* visible grain via repeating linear gradient — subtle horizontal striations */
  background-image:
    repeating-linear-gradient(
      to bottom,
      rgba(13,13,13,0.025) 0px,
      rgba(13,13,13,0.025) 1px,
      transparent 1px,
      transparent 3px
    );
  position: relative;
}

/* fixed noise overlay using SVG turbulence */
.noise-svg{
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
  opacity: 0.35;
  mix-blend-mode: multiply;
}

::selection{ background: var(--danger); color: var(--paper); }

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

img, svg{ display: block; max-width: 100%; }

ul{ list-style: none; }

/* ---------- HERO ---------- */
.hero{
  position: relative;
  min-height: 100vh;
  width: 100%;
  padding: 28px 32px 80px;
  overflow: hidden;
  z-index: 2;
}

.topbar{
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--ink);
}
.topbar__cell--center{ text-align: center; }
.topbar__cell--right{ text-align: right; color: var(--danger); }

.vertical-tag{
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: left center;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--mute);
  white-space: nowrap;
  visibility: hidden;
}

.hero__slab{
  margin-top: clamp(40px, 8vw, 110px);
}

.slab{
  font-family: "Archivo Black", "Archivo", sans-serif;
  font-weight: 900;
  font-size: clamp(120px, 22vw, 360px);
  line-height: 0.85;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
  /* deliberately overflow viewport edges */
  margin-left: -2vw;
}
.slab--two{
  padding-left: 9vw;
}
.slab .dot{
  color: var(--danger);
  display: inline-block;
  margin-left: -0.05em;
}

[data-split]{ visibility: hidden; }

.kipp{
  position: absolute;
  right: 32px;
  bottom: 80px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink);
}
.kipp__grid{
  display: grid;
  grid-template-columns: repeat(4, 12px);
  grid-template-rows: repeat(4, 12px);
  gap: 6px;
  margin-bottom: 10px;
}
.kipp__dot{
  width: 12px;
  height: 12px;
  background: var(--ink);
  opacity: 0;
}
.kipp__dot--red{ background: var(--danger); }
.kipp__label{ text-align: right; }

.hero__meta{
  position: absolute;
  left: 56px;
  bottom: 32px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
  display: grid;
  gap: 6px;
  min-width: 200px;
}
.hero__meta-row{
  display: grid;
  grid-template-columns: 60px 20px 1fr;
  gap: 8px;
}

/* ---------- WALL OF WORKS (pinned) ---------- */
.wall{
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: 80px 0 0;
  z-index: 2;
  overflow: hidden;
}
.wall__inner{
  position: relative;
  padding: 0 32px 80px;
}
.wall__head{
  display: flex;
  justify-content: space-between;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper);
  padding-bottom: 32px;
  border-bottom: 1px solid var(--paper);
  margin-bottom: 24px;
}
.wall__head-r{ color: var(--danger); }

.wall__line{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.25;
}
.wall__line line{ stroke: var(--paper); }
#wallLineH{ stroke: var(--danger); }

.works{
  position: relative;
}
.work{
  position: relative;
  display: grid;
  grid-template-columns: 120px 1fr 120px;
  align-items: center;
  gap: 32px;
  height: 130px;
  border-bottom: 1px solid var(--paper);
  padding: 0 8px;
  cursor: pointer;
  transition: background 0.2s ease;
}
.work:first-child{ border-top: 1px solid var(--paper); }
.work:hover{ background: rgba(239,236,230,0.04); }
.work__num{
  font-family: "IBM Plex Mono", monospace;
  font-size: 28px;
  font-weight: 500;
  color: var(--mute);
}
.work__name{
  font-family: "Archivo Black", "Archivo", sans-serif;
  font-weight: 900;
  font-size: clamp(28px, 4.5vw, 64px);
  letter-spacing: -0.025em;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transform-origin: left center;
  will-change: transform;
}
.work__year{
  font-family: "IBM Plex Mono", monospace;
  font-size: 18px;
  text-align: right;
  letter-spacing: 0.05em;
  transition: color 0.2s ease;
}
.work:hover .work__year{ color: var(--danger); }
.work__notch{
  position: absolute;
  right: 0;
  top: 50%;
  transform: translate(8px, -50%) scaleX(0);
  transform-origin: right center;
  width: 32px;
  height: 32px;
  background: var(--danger);
}

/* ---------- MATERIALS ---------- */
.materials{
  position: relative;
  background: var(--concrete);
  padding: 120px 32px 140px;
  z-index: 2;
}
.materials__head{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--ink);
  margin-bottom: 64px;
  flex-wrap: wrap;
  gap: 16px;
}
.materials__title{
  font-family: "Archivo Black", "Archivo", sans-serif;
  font-weight: 900;
  font-size: clamp(48px, 7vw, 80px);
  letter-spacing: -0.03em;
  text-transform: uppercase;
  line-height: 0.9;
}
.materials__sub{
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}

.swatches{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.swatch{
  position: relative;
  display: flex;
  flex-direction: column;
  visibility: hidden;
}
.swatch__panel{
  position: relative;
  width: 100%;
  height: 420px;
  transition: height 0.4s cubic-bezier(0.2, 0.7, 0.2, 1),
              transform 0.4s cubic-bezier(0.2, 0.7, 0.2, 1);
  transform-origin: bottom center;
  overflow: hidden;
}
.swatch:hover .swatch__panel{
  height: 450px;
  margin-top: -30px;
}
.swatch__meta{
  padding-top: 16px;
  border-top: 1px solid var(--ink);
  margin-top: 16px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  display: grid;
  gap: 6px;
  transition: transform 0.4s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.swatch:hover .swatch__meta{ transform: translateY(-30px); }
.swatch__id{
  color: var(--mute);
  transition: color 0.25s ease;
}
.swatch:hover .swatch__id{ color: var(--danger); }
.swatch__name{
  font-family: "Archivo Black", "Archivo", sans-serif;
  font-weight: 900;
  font-size: 28px;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.swatch__spec{ color: var(--mute); }

.swatch--concrete .swatch__panel{
  background:
    radial-gradient(circle at 20% 30%, rgba(13,13,13,0.18), transparent 32%),
    radial-gradient(circle at 70% 70%, rgba(13,13,13,0.14), transparent 28%),
    radial-gradient(circle at 50% 50%, rgba(255,255,255,0.08), transparent 40%),
    linear-gradient(160deg, #b8b3ac 0%, #9c9690 100%);
}
.swatch--concrete .swatch__panel::after{
  content:"";
  position:absolute; inset:0;
  background-image:
    repeating-linear-gradient(to bottom, rgba(13,13,13,0.05) 0 1px, transparent 1px 4px);
  mix-blend-mode: multiply;
}

.swatch--steel .swatch__panel{
  background:
    linear-gradient(90deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.12) 30%, rgba(255,255,255,0.02) 60%, rgba(255,255,255,0.10) 100%),
    linear-gradient(180deg, #4a423b 0%, #2a2520 100%);
}
.swatch--steel .swatch__panel::after{
  content:"";
  position:absolute; inset:0;
  background-image:
    repeating-linear-gradient(to bottom, rgba(0,0,0,0.18) 0 1px, transparent 1px 6px);
  opacity: 0.6;
}

.swatch--glass .swatch__panel{
  background:
    linear-gradient(180deg, rgba(255,255,255,0.55) 0%, rgba(180,200,210,0.25) 45%, rgba(120,140,150,0.4) 100%),
    linear-gradient(90deg, #d8dde0 0%, #b5bcc0 100%);
  position: relative;
}
.swatch--glass .swatch__panel::after{
  content:"";
  position:absolute;
  top:0; left:20%;
  width: 8px; height: 100%;
  background: linear-gradient(to bottom, rgba(255,255,255,0.7), rgba(255,255,255,0));
}

.swatch--oak .swatch__panel{
  background:
    repeating-linear-gradient(180deg,
      rgba(0,0,0,0.04) 0px, rgba(0,0,0,0.04) 1px,
      transparent 1px, transparent 14px),
    linear-gradient(180deg, #6b4327 0%, #8a5a35 50%, #5c381f 100%);
}
.swatch--oak .swatch__panel::after{
  content:"";
  position:absolute; inset:0;
  background-image:
    radial-gradient(ellipse at 30% 40%, rgba(0,0,0,0.18), transparent 8%),
    radial-gradient(ellipse at 60% 75%, rgba(0,0,0,0.15), transparent 6%);
}

/* ---------- MANIFESTO ---------- */
.manifesto{
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: 140px 32px 56px;
  z-index: 2;
  overflow: hidden;
}
.manifesto__lines{
  margin-bottom: 100px;
}
.m-line{
  font-family: "Archivo Black", "Archivo", sans-serif;
  font-weight: 900;
  font-size: clamp(48px, 7vw, 110px);
  letter-spacing: -0.035em;
  line-height: 1.02;
  text-transform: uppercase;
  visibility: hidden;
}
.m-line:nth-child(2){ padding-left: 6vw; }
.m-line:nth-child(3){ padding-left: 2vw; color: var(--paper); }
.m-line:nth-child(3)::after{
  content: " /";
  color: var(--danger);
}

.manifesto__cols{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  padding-top: 56px;
  border-top: 1px solid var(--paper);
}
.m-col{
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.7;
  color: var(--paper);
}
.m-col__h{
  color: var(--danger);
  margin-bottom: 16px;
  letter-spacing: 0.2em;
}
.m-col p{ margin-bottom: 12px; color: rgba(239,236,230,0.7); }

.manifesto__stamp{
  margin-top: 80px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(239,236,230,0.5);
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(239,236,230,0.2);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px){
  .hero{ padding: 20px 18px 60px; }
  .topbar{ font-size: 9px; }
  .topbar__cell--center{ display: none; }
  .topbar{ grid-template-columns: 1fr 1fr; }

  .vertical-tag{ display: none; }
  .slab{ font-size: clamp(80px, 18vw, 160px); margin-left: 0; }
  .slab--two{ padding-left: 4vw; }
  .hero__meta{ left: 18px; bottom: 18px; font-size: 9px; }
  .kipp{ right: 18px; bottom: 60px; }

  .wall{ padding: 60px 0 0; }
  .wall__inner{ padding: 0 18px 60px; }
  .work{
    grid-template-columns: 60px 1fr 80px;
    gap: 12px;
    height: 90px;
  }
  .work__num{ font-size: 16px; }
  .work__name{ font-size: 22px; }
  .work__year{ font-size: 12px; }

  .materials{ padding: 80px 18px 100px; }
  .materials__head{ margin-bottom: 40px; }
  .swatches{ grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .swatch__panel{ height: 280px; }

  .manifesto{ padding: 80px 18px 40px; }
  .manifesto__cols{ grid-template-columns: 1fr; gap: 32px; }
  .m-line:nth-child(2),
  .m-line:nth-child(3){ padding-left: 0; }
}