/* ---------- shared section frame ---------- */
.sec {
  position: relative;
  padding: clamp(72px, 10vw, 144px) var(--margin);
  border-top: 1px solid var(--wire);
}
.sec h2 {
  margin: 0;
  font: 800 clamp(38px, 4.4vw, 4.5rem)/0.95 var(--f-display);
  font-variation-settings: "wdth" 78;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
.sec-head { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); align-items: end; }
.sec-head h2 { grid-column: 1 / 7; }
.sec-lead { grid-column: 8 / 13; margin: 0; max-width: 46ch; font-size: clamp(17px, 1.3vw, 19px); line-height: 1.5; color: var(--bone-2); }
.num { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--bone); white-space: nowrap; }

.btn-sm { min-height: 40px; padding: 0 16px; font-size: 14px; }
.btn-lg { min-height: 56px; padding: 0 28px; font-size: 17px; }

/* ---------- systems: process monitor ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 48px 0 24px; }
.filters button {
  min-height: 40px; padding: 0 14px;
  font: 500 14px/1 var(--f-text); color: var(--bone-2);
  background: var(--ground); border: 1px solid var(--wire); border-radius: 0; cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.filters button:hover { color: var(--bone); border-color: var(--bone); }
.filters button[aria-pressed="true"] { background: var(--bone); color: var(--ground); border-color: var(--bone); }

.procs { position: relative; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); align-items: start; }
.proc-wire { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; z-index: 1; }
.proc-wire path { fill: none; stroke: var(--bone); stroke-width: 1; }
.proc-wire .pulse { stroke: var(--run); stroke-width: 2; }
.proc-wire rect { fill: var(--ground); stroke: var(--bone); }

.proc-list { grid-column: 1 / 6; display: flex; flex-direction: column; border-top: 1px solid var(--wire); position: sticky; top: calc(var(--bar-h) + 24px); z-index: 2; }
.proc-row {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; column-gap: 12px; align-items: center;
  min-height: 48px; padding: 0 14px;
  font: 600 15px/1.2 var(--f-text); color: var(--bone-2); text-align: left;
  background: var(--ground); border: 0; border-bottom: 1px solid var(--wire); border-radius: 0; cursor: pointer;
  transition: color 0.2s, background 0.2s;
}
.proc-row[hidden] { display: none; }
.proc-row:hover { color: var(--bone); }
.proc-row[aria-selected="true"] { color: var(--bone); background: var(--panel); box-shadow: inset 0 0 0 1px var(--bone); }
.proc-name { grid-column: 2; grid-row: 1; }
.proc-sector { grid-column: 2; grid-row: 2; font: 400 13px/1.3 var(--f-text); color: var(--bone-3); padding-bottom: 2px; }
.proc-row { padding-top: 9px; padding-bottom: 9px; row-gap: 2px; }
.proc-row .lamp { grid-row: 1 / 3; }
.proc-state { grid-column: 3; grid-row: 1 / 3; font: 400 13px/1 var(--f-text); color: var(--bone-2); }

.proc-panels { grid-column: 7 / 13; position: relative; z-index: 2; }
.proc {
  padding: clamp(20px, 2.4vw, 32px);
  background: var(--panel);
  border: 1px solid var(--wire-strong);
  animation: panel-in 0.5s var(--ease) both;
}
@keyframes panel-in { from { opacity: 0; clip-path: inset(0 0 100% 0); } to { opacity: 1; clip-path: inset(0); } }
.proc h3 { margin: 0; font: 700 clamp(24px, 2vw, 30px)/1.08 var(--f-display); font-variation-settings: "wdth" 85; text-wrap: balance; }
.proc-for { margin: 10px 0 0; font-size: 15px; color: var(--bone-2); }
.shot { margin: 24px 0 0; border: 1px solid var(--wire); background: var(--ground); }
.shot img { display: block; width: 100%; height: auto; max-height: 380px; object-fit: cover; object-position: top left; }
.shots { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 12px; }
.shots .shot { margin: 0; }
.shot > a { display: block; }
.facts .links { display: flex; flex-wrap: wrap; gap: 8px; }
.shots img { height: 132px; }
.shots a:hover img, .shots a:focus-visible img { opacity: 0.85; }
.shot-paper { background: #fff; }
.shot-paper img { object-fit: contain; }
.shot figcaption { padding: 8px 12px; font-size: 13px; color: var(--bone-3); border-top: 1px solid var(--wire); background: var(--panel); }

.facts { display: grid; grid-template-columns: 9.5em minmax(0, 1fr); gap: 14px 20px; margin: 24px 0 0; }
.facts dt { font-size: 14px; line-height: 1.5; color: var(--bone-3); }
.facts dd { margin: 0; font-size: 16px; line-height: 1.5; max-width: 62ch; }
.stack { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 24px 0 0; padding: 0; }
.stack li { padding: 6px 10px; font-size: 13px; line-height: 1; color: var(--bone-2); border: 1px solid var(--wire); }

/* a small wired flow for systems without a screenshot */
.flow { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 24px; margin: 24px 0 0; padding: 0; }
.flow li {
  position: relative;
  padding: 10px 12px;
  font-size: 14px; line-height: 1.3; color: var(--bone);
  background: var(--ground); border: 1px solid var(--wire-strong);
}
.flow li + li::before { content: ""; position: absolute; left: -25px; top: 50%; width: 24px; height: 1px; background: var(--wire-strong); }
.flow li:last-child { border-color: var(--bone); }

.more-title { margin: 72px 0 0; font: 700 22px/1.1 var(--f-display); font-variation-settings: "wdth" 85; }
.more { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--gutter); margin: 20px 0 0; padding: 0; border-top: 1px solid var(--wire); }
.more li { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; column-gap: 12px; align-items: center; min-height: 48px; padding: 8px 0; border-bottom: 1px solid var(--wire); }
.more-name { font-size: 15px; font-weight: 500; }
.more-meta { font-size: 13px; color: var(--bone-3); text-align: right; }

/* ---------- approach: pipeline ---------- */
.pipeline {
  --line: 24px;
  position: relative;
  list-style: none; margin: 64px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); column-gap: var(--gutter);
}
.pipeline::before, .pipeline::after {
  content: ""; position: absolute; left: 0; top: var(--line); height: 1px;
}
.pipeline::before { right: 0; background: var(--wire-strong); }
.pipeline::after { width: 72px; height: 2px; margin-top: -0.5px; background: var(--bone); animation: current 5.5s cubic-bezier(0.45, 0, 0.2, 1) infinite; }
@keyframes current { from { left: 0; opacity: 0; } 8% { opacity: 1; } 92% { opacity: 1; } to { left: calc(100% - 72px); opacity: 0; } }
.pipeline li { position: relative; z-index: 1; }
.stage {
  display: inline-flex; align-items: center; gap: 10px;
  height: 48px; padding: 0 16px;
  font: 700 18px/1 var(--f-display); font-variation-settings: "wdth" 85;
  background: var(--ground); border: 1px solid var(--wire-strong);
}
.stage::before { content: ""; width: 8px; height: 8px; background: var(--bone-3); }
.pipeline p { margin: 20px 0 0; font-size: 15px; line-height: 1.5; color: var(--bone-2); max-width: 30ch; }

/* ---------- about ---------- */
.about { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); align-items: center; }
.about-photo { grid-column: 1 / 6; margin: 0; }
.about-photo img {
  display: block; width: 100%; height: auto;
  /* dissolve the grey studio wall into the ground on every side */
  --fade-x: linear-gradient(to right, transparent 0, #000 22%, #000 78%, transparent 100%);
  --fade-y: linear-gradient(to top, transparent 0, #000 20%, #000 88%, transparent 100%);
  -webkit-mask-image: var(--fade-x), var(--fade-y);
  -webkit-mask-composite: source-in;
  mask-image: var(--fade-x), var(--fade-y);
  mask-composite: intersect;
}
.about-text { grid-column: 7 / 13; }
.about-lead { margin: 28px 0 0; font-size: clamp(19px, 1.5vw, 22px); line-height: 1.45; max-width: 40ch; }
.about-text > p:not(.about-lead) { margin: 18px 0 0; color: var(--bone-2); max-width: 52ch; }
.passport { display: grid; grid-template-columns: 8.5em minmax(0, 1fr); margin: 36px 0 0; border-top: 1px solid var(--wire); }
.passport dt, .passport dd { padding: 13px 0 14px; border-bottom: 1px solid var(--wire); }
.passport dt { font-size: 14px; color: var(--bone-3); }
.passport dd { margin: 0; font-size: 15px; }

/* ---------- contact + footer ---------- */
.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 440px); column-gap: clamp(32px, 5vw, 96px); align-items: end; }
.contact .chat { grid-column: 2; grid-row: auto; align-self: end; margin: 40px 0 0; }
.contact .chat-log { max-height: 260px; }
.contact h2 { font-size: clamp(44px, 7vw, 6rem); max-width: 12ch; }
.contact .sec-lead { margin-top: 24px; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
/* the close: the primary action is wired to the operator, the page's one red line */
.contact-line { display: flex; align-items: center; margin-top: 48px; max-width: 960px; }
.contact-line .btn { flex: none; }
.contact-wire { flex: 1; min-width: 48px; height: 1px; background: rgba(53, 180, 92, 0.5); }
.contact-port {
  flex: none; display: grid; grid-template-columns: auto 1fr; column-gap: 8px; row-gap: 4px; align-items: center;
  padding: 8px 12px 9px; border: 1px solid var(--wire-strong); background: var(--ground);
}
.contact-port .port-meta { grid-column: 2; font-size: 13px; color: var(--bone-2); }
.foot {
  padding: 24px var(--margin) 32px;
  border-top: 1px solid var(--wire);
  font-size: 13px; color: var(--bone-3);
}
.foot-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; }
.foot .logo { font-size: 16px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.foot a { color: var(--bone-2); }
.foot a:hover { color: var(--bone); }
.foot-year { margin-left: auto; }
.foot-req { margin: 16px 0 0; }

/* ---------- tablet & phone ---------- */
@media (max-width: 1100px) {
  .contact { grid-template-columns: minmax(0, 1fr); }
  .contact .chat { grid-column: 1; max-width: 560px; margin-top: 72px; }
  .sec-head { grid-template-columns: 1fr; row-gap: 20px; }
  .sec-head h2, .sec-lead { grid-column: 1; }
  .procs { grid-template-columns: 1fr; row-gap: 20px; }
  .proc-list, .proc-panels { grid-column: 1; }
  .proc-wire { display: none; }
  .proc-list { position: relative; top: auto; }
  .more { grid-template-columns: 1fr; }
  .pipeline { grid-template-columns: 1fr; row-gap: 28px; padding-left: 28px; }
  .pipeline::before { left: 0; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
  .pipeline::after { display: none; }
  .pipeline li::before { content: ""; position: absolute; left: -28px; top: 24px; width: 28px; height: 1px; background: var(--wire-strong); }
  .pipeline p { margin-top: 12px; }
  .about { grid-template-columns: 1fr; row-gap: 32px; }
  .about-photo, .about-text { grid-column: 1; }
  .about-photo { max-width: 480px; }
}
@media (prefers-reduced-motion: reduce) { .pipeline::after { display: none; } }
@media (max-width: 560px) {
  .contact-line { flex-direction: column; align-items: flex-start; }

  .contact-line .btn { width: 100%; }
  .contact-wire { flex: none; min-width: 0; width: 1px; height: 24px; margin-left: 24px; }
  .facts { grid-template-columns: 1fr; gap: 4px; }
  .facts dd { margin-bottom: 12px; }
  .more li { grid-template-columns: auto minmax(0, 1fr); }
  .more-meta { grid-column: 2; text-align: left; }
  .passport { grid-template-columns: 1fr; }
  .passport dt { padding-bottom: 0; border-bottom: 0; }
  .contact-actions .btn { width: 100%; }
  .foot-year { margin-left: 0; }
}

.sec { scroll-margin-top: var(--bar-h); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

.shot-pixel img { image-rendering: pixelated; object-fit: contain; background: var(--ground); }
.proc-link { margin: 24px 0 0; }

/* ---------- trust: who works with me ---------- */
.trust { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gutter); align-items: start; padding-block: clamp(56px, 7vw, 96px); }
.trust h2 { grid-column: 1 / 4; font-size: clamp(32px, 3vw, 48px); }
.trust-list { grid-column: 4 / 13; list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: var(--gutter); border-top: 1px solid var(--wire-strong); }
.trust-list li { position: relative; display: grid; grid-template-columns: auto 1fr; column-gap: 10px; row-gap: 10px; align-items: center; align-content: start; padding-top: 24px; }
.trust-list li::before { content: ""; position: absolute; left: 0; top: -4px; width: 6px; height: 6px; background: var(--ground); border: 1px solid var(--bone); }
.trust-kind { font-size: 14px; color: var(--bone-2); }
.trust-who { grid-column: 1 / -1; font: 700 clamp(22px, 2vw, 30px)/1.1 var(--f-display); font-variation-settings: "wdth" 85; text-wrap: balance; }
@media (max-width: 1100px) {
  .trust { grid-template-columns: 1fr; row-gap: 28px; }
  .trust h2, .trust-list { grid-column: 1; }
  .trust-list { grid-template-columns: 1fr; row-gap: 28px; border-top: 0; border-left: 1px solid var(--wire-strong); padding-left: 24px; }
  .trust-list li { padding-top: 0; }
  .trust-list li::before { left: -28px; top: 4px; }
}
.trust-list .trust-wide { grid-column: 1 / -1; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--wire); }
.trust-list .trust-wide::before { top: -4px; }
@media (max-width: 1100px) {
  .trust-list .trust-wide { margin-top: 0; padding-top: 0; border-top: 0; }
}