/* ============================================================
   PORTFOLIO — the operator-facing spec sheet.
   Swiss technical: paper white, hairline rules, mono data,
   one vermillion accent. Standalone skin; the restraint is
   the design, so it does not ride site.css's themes.
   ============================================================ */

:root {
  --paper:     #fbfbf9;
  --paper-2:   #ffffff;
  --ink:       #0d0e10;
  --graphite:  #55585e;
  --quiet:     #8a8d93;
  --rule:      #d8d8d2;
  --rule-2:    #ebebe6;
  --accent:    #d9401f;
  --accent-lo: #fdf0ec;

  --ui:   "Archivo", "Helvetica Neue", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;

  --shell: min(1260px, 100% - 3rem);
  --ease:  cubic-bezier(0.22, 0.7, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1rem/1.6 var(--ui);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

::selection { background: var(--accent); color: #fff; }

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

.shell { position: relative; width: var(--shell); margin-inline: auto; }

/* Column grid, drawn faintly behind the hero so the headline and the metrics
   band visibly snap to it. Scoped to the hero rather than fixed to the
   viewport: past the hero the spec sheet supplies its own structure, and
   competing verticals there just read as stray cell borders. */
.rule-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: linear-gradient(90deg, #f0f0ec 0 1px, transparent 1px);
  background-size: calc(100% / 6) 100%;
  mask-image: linear-gradient(180deg, #000 0 72%, transparent 100%);
}

.hero > *:not(.rule-grid) { position: relative; z-index: 1; }

/* ---------- shared type ---------------------------------------- */

.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}

.tag {
  display: inline-block;
  color: var(--accent);
}

h2.head {
  font: 600 clamp(1.7rem, 3.4vw, 2.6rem)/1.1 var(--ui);
  letter-spacing: -0.025em;
  margin: 0.7rem 0 0;
  max-width: 22ch;
}

.sec {
  padding-block: clamp(3rem, 7vw, 5.5rem);
  border-top: 1px solid var(--rule);
}

.sec__no {
  position: absolute;
  top: clamp(3rem, 7vw, 5.5rem);
  left: -3.2rem;
  color: var(--quiet);
}

/* ---------- topbar --------------------------------------------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(251, 251, 249, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}

.topbar .shell {
  display: flex;
  align-items: center;
  gap: 1rem 1.75rem;
  flex-wrap: wrap;
  padding-block: 0.95rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font: 700 1.02rem/1 var(--ui);
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  margin-right: auto;
}

/* the mark: a stacked-chip glyph, drawn not imported */
.brand__mark {
  width: 1.15rem;
  height: 1.15rem;
  flex: none;
  border-radius: 2px;
  background:
    linear-gradient(180deg, var(--accent) 0 34%, transparent 34%),
    linear-gradient(180deg, transparent 0 44%, var(--ink) 44% 66%, transparent 66%),
    linear-gradient(180deg, transparent 0 76%, var(--graphite) 76%);
}

.topnav {
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
}

.topnav a {
  font: 500 0.83rem/1 var(--ui);
  color: var(--graphite);
  text-decoration: none;
  padding-block: 0.3rem;
  border-bottom: 1.5px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.topnav a:hover,
.topnav a:focus-visible { color: var(--ink); }
.topnav a[aria-current] { color: var(--ink); border-bottom-color: var(--accent); }

/* ---------- buttons -------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font: 500 0.85rem/1 var(--ui);
  text-decoration: none;
  padding: 0.72rem 1.15rem;
  border-radius: 3px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  transition: background 0.2s var(--ease), color 0.2s var(--ease),
              border-color 0.2s var(--ease);
}

.btn:hover, .btn:focus-visible { background: var(--accent); border-color: var(--accent); }

.btn--line {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule);
}

.btn--line:hover, .btn--line:focus-visible {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

/* ---------- hero ----------------------------------------------- */

.hero { padding-block: clamp(3.5rem, 9vw, 7rem) clamp(2.5rem, 5vw, 4rem); }

.hero__rule {
  width: 3.5rem;
  height: 2px;
  background: var(--accent);
  margin-bottom: 1.4rem;
}

.hero h1 {
  font: 600 clamp(2.5rem, 6.6vw, 5.2rem)/1.02 var(--ui);
  letter-spacing: -0.042em;
  margin: 0;
  max-width: 17ch;
  text-wrap: balance;
}

.hero h1 span { color: var(--quiet); }

.hero__sub {
  margin: 1.6rem 0 0;
  max-width: 54ch;
  font-size: 1.06rem;
  color: var(--graphite);
}

.hero__acts {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 2.2rem;
}

/* metrics band — every figure below is counted from the catalogue */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin-top: clamp(2.5rem, 6vw, 4rem);
  border-top: 1px solid var(--ink);
  list-style: none;
  padding: 0;
}

.metrics li {
  padding: 1.3rem 1.2rem 1.4rem 0;
  border-right: 1px solid var(--rule);
}

.metrics li:last-child { border-right: 0; }

.metrics b {
  display: block;
  font: 500 clamp(2rem, 4vw, 2.9rem)/1 var(--mono);
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
}

.metrics span { color: var(--quiet); }

/* ---------- spec sheet ----------------------------------------- */

.sheet {
  width: 100%;
  border-collapse: collapse;
  margin-top: 2.5rem;
  font-size: 0.93rem;
}

.sheet caption {
  text-align: left;
  color: var(--quiet);
  padding-bottom: 0.9rem;
}

.sheet th {
  text-align: left;
  font: 500 0.7rem/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--quiet);
  padding: 0 1rem 0.7rem 0;
  border-bottom: 1px solid var(--ink);
  white-space: nowrap;
}

.sheet td {
  padding: 0.7rem 1rem 0.7rem 0;
  border-bottom: 1px solid var(--rule-2);
  vertical-align: middle;
}

.sheet tbody tr { transition: background 0.18s var(--ease); }
.sheet tbody tr:hover { background: var(--paper-2); }

/* the accent tick that appears against the hovered row */
.sheet tbody tr td:first-child { position: relative; }

.sheet tbody tr td:first-child::before {
  content: "";
  position: absolute;
  left: -0.9rem;
  top: 50%;
  width: 3px;
  height: 0;
  background: var(--accent);
  transform: translateY(-50%);
  transition: height 0.22s var(--ease);
}

.sheet tbody tr:hover td:first-child::before { height: 62%; }

.c-no  { width: 3rem; color: var(--quiet); font-family: var(--mono); font-size: 0.78rem; }
.c-art { width: 3.1rem; }

.c-art img {
  width: 2.6rem;
  height: 2.6rem;
  object-fit: cover;
  border-radius: 3px;
  border: 1px solid var(--rule);
}

.c-name {
  font-weight: 600;
  letter-spacing: -0.012em;
}

.c-name a { color: var(--ink); text-decoration: none; }
.c-name a:hover, .c-name a:focus-visible { color: var(--accent); }

.c-cat, .c-fmt { color: var(--graphite); }
.c-seat { font-family: var(--mono); font-size: 0.84rem; color: var(--graphite); }

.c-doc { text-align: right; white-space: nowrap; }

.pill {
  display: inline-block;
  padding: 0.24rem 0.6rem;
  border-radius: 2px;
  font: 500 0.66rem/1.5 var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border: 1px solid var(--rule);
  color: var(--quiet);
}

.pill--live {
  border-color: var(--accent);
  background: var(--accent-lo);
  color: var(--accent);
}

/* ---------- category breakdown --------------------------------- */

.bars {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  border-top: 1px solid var(--ink);
}

.bars li {
  display: grid;
  grid-template-columns: 8rem minmax(0, 1fr) 3rem;
  gap: 1.2rem;
  align-items: center;
  padding-block: 0.75rem;
  border-bottom: 1px solid var(--rule-2);
}

.bars__name { font-weight: 500; }

.bars__track {
  height: 8px;
  background: var(--rule-2);
  border-radius: 1px;
  overflow: hidden;
}

.bars__fill {
  display: block;
  height: 100%;
  background: var(--ink);
  transform-origin: 0 50%;
  animation: bar-grow 0.8s var(--ease) both;
  animation-delay: calc(var(--i, 0) * 70ms);
}

.bars li:first-child .bars__fill { background: var(--accent); }

@keyframes bar-grow {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

.bars__n {
  font-family: var(--mono);
  font-size: 0.82rem;
  text-align: right;
  color: var(--graphite);
}

/* ---------- documentation -------------------------------------- */

.doc {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
  margin-top: 2.5rem;
}

.doc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.doc__list li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.8rem;
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--rule-2);
  color: var(--graphite);
}

.doc__list b {
  font: 500 0.72rem/1.6 var(--mono);
  color: var(--quiet);
}

.doc__panel {
  border: 1px solid var(--rule);
  border-top: 2px solid var(--accent);
  background: var(--paper-2);
  padding: clamp(1.4rem, 3vw, 2rem);
}

.doc__panel h3 {
  font: 600 1.2rem/1.2 var(--ui);
  letter-spacing: -0.02em;
  margin: 0.6rem 0 0.6rem;
}

.doc__panel p { margin: 0 0 1.4rem; color: var(--graphite); font-size: 0.95rem; }

.meter {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 0.4rem;
}

.meter b { font: 500 2.4rem/1 var(--mono); letter-spacing: -0.04em; }
.meter span { color: var(--quiet); }

.meter__track {
  height: 6px;
  background: var(--rule-2);
  margin-bottom: 1.3rem;
}

.meter__fill { display: block; height: 100%; background: var(--accent); }

/* ---------- closing band --------------------------------------- */

.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem 2.5rem;
  flex-wrap: wrap;
  padding: clamp(2rem, 5vw, 3.2rem);
  margin-block: clamp(3rem, 7vw, 5rem);
  background: var(--ink);
  color: var(--paper);
  border-radius: 3px;
}

.cta h2 {
  font: 600 clamp(1.5rem, 3.4vw, 2.3rem)/1.12 var(--ui);
  letter-spacing: -0.03em;
  margin: 0;
  max-width: 20ch;
}

.cta p { margin: 0.7rem 0 0; color: #a9acb3; max-width: 46ch; font-size: 0.95rem; }

.cta .btn {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}

.cta .btn:hover, .cta .btn:focus-visible {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ---------- footer --------------------------------------------- */

.site-foot {
  border-top: 1px solid var(--rule);
  padding-block: 1.8rem 3rem;
}

.site-foot .shell {
  display: flex;
  justify-content: space-between;
  gap: 0.6rem 2rem;
  flex-wrap: wrap;
  color: var(--quiet);
}

.site-foot a { color: var(--graphite); }

/* ---------- responsive ----------------------------------------- */

@media (max-width: 900px) {
  .sec__no { position: static; display: block; margin-bottom: 0.4rem; }
  .doc { grid-template-columns: 1fr; }
  .rule-grid { background-size: calc(100% / 3) 100%; }
}

@media (max-width: 700px) {
  :root { --shell: min(1260px, 100% - 1.75rem); }
  /* the sheet keeps its shape and scrolls, rather than collapsing to mush */
  .sheet-wrap { overflow-x: auto; }
  .sheet { min-width: 640px; }
  .bars li { grid-template-columns: 6rem minmax(0, 1fr) 2.4rem; gap: 0.8rem; }
  .metrics li { border-right: 0; border-bottom: 1px solid var(--rule); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-delay: 0ms !important;
    transition-duration: 0.001ms !important;
  }
}