/* ==========================================================================
   Gaptia Solutions – site styles
   Look: CAD/CAM workspace – drafting grid, graphite ink, crystal-blue accent
   ========================================================================== */

:root {
  --bg: #eceff3;
  --grid: rgba(40, 52, 70, .055);
  --grid-major: rgba(40, 52, 70, .085);
  --panel: #ffffff;
  --panel-2: #f6f7f9;
  --tab: #dde2e9;
  --tab-hover: #e7ebf0;
  --ink: #1b2129;
  --ink-2: #3a4450;
  --muted: #66717e;
  --line: #c6ced8;
  --line-soft: #e1e6ec;
  --accent: #3d49c9;          /* deepened from the logo's lavender (#a4a4ff) */
  --accent-ink: #ffffff;
  --accent-soft: #e9eaff;
  --ok: #1f9d55;
  --warn: #b45309;          /* orange for notes: 5.0:1 contrast on white */
  --todo-bg: #fff6d6;
  --todo-ink: #7a5b00;
  --shadow: 0 1px 2px rgba(20, 30, 45, .06), 0 8px 24px rgba(20, 30, 45, .06);
  --logo-filter: none;
  --radius: 10px;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1318; --grid: rgba(160, 180, 210, .045); --grid-major: rgba(160, 180, 210, .075);
    --panel: #171c23; --panel-2: #1c222a; --tab: #232a33; --tab-hover: #2a323c;
    --ink: #e7ecf2; --ink-2: #c3ccd6; --muted: #8e99a6; --line: #313a46; --line-soft: #252d37;
    --accent: #9da4ff; --accent-ink: #10131a; --accent-soft: #232848;
    --ok: #3ccf7a; --warn: #fbbf24; --todo-bg: #3a3212; --todo-ink: #f3d77a;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
    --logo-filter: invert(1) brightness(.92);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0f1318; --grid: rgba(160, 180, 210, .045); --grid-major: rgba(160, 180, 210, .075);
  --panel: #171c23; --panel-2: #1c222a; --tab: #232a33; --tab-hover: #2a323c;
  --ink: #e7ecf2; --ink-2: #c3ccd6; --muted: #8e99a6; --line: #313a46; --line-soft: #252d37;
  --accent: #9da4ff; --accent-ink: #10131a; --accent-soft: #232848;
  --ok: #3ccf7a; --warn: #fbbf24; --todo-bg: #3a3212; --todo-ink: #f3d77a;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
  --logo-filter: invert(1) brightness(.92);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  overflow-x: clip;   /* safety net: nothing may widen the page beyond the screen (phones would allow zooming out) */
  font: 16px/1.6 var(--sans);
  color: var(--ink);
  background-color: var(--bg);
  /* drafting grid: 8px minor, 40px major */
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px, 8px 8px, 8px 8px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(1.9rem, 3.4vw, 2.9rem); font-weight: 600; }
h2 { font-size: clamp(1.5rem, 2.4vw, 2rem); font-weight: 600; }
h3 { font-size: 1.05rem; font-weight: 600; }
p { margin: 0 0 1em; }
sup { font-size: .6em; }

/* ---------- Layout ---------- */
.workspace {
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px 32px 40px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(320px, 27vw, 420px);
  gap: 28px;
  align-items: start;
}
.col-side { position: sticky; top: 24px; display: grid; gap: 16px; }

/* ---------- Masthead ---------- */
.masthead { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 20px; }
.brand img { width: clamp(220px, 26vw, 340px); filter: var(--logo-filter); }
.theme-toggle {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--panel); color: var(--ink-2);
  display: grid; place-items: center; cursor: pointer;
}
.theme-toggle svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Tabs (CAM-style folder tabs) ---------- */
.tabstrip {
  display: flex; gap: 2px; padding-left: 10px;
  overflow-x: auto; scrollbar-width: none;
  position: relative; z-index: 2;
}
.tabstrip::-webkit-scrollbar { display: none; }
/* fade shows there are more tabs to scroll to (set by main.js) */
.tabstrip.more-right { -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 56px), transparent); mask-image: linear-gradient(to right, #000 calc(100% - 56px), transparent); }
.tabstrip.more-left { -webkit-mask-image: linear-gradient(to right, transparent, #000 40px); mask-image: linear-gradient(to right, transparent, #000 40px); }
.tabstrip.more-left.more-right { -webkit-mask-image: linear-gradient(to right, transparent, #000 40px, #000 calc(100% - 56px), transparent); mask-image: linear-gradient(to right, transparent, #000 40px, #000 calc(100% - 56px), transparent); }
.tabstrip [role="tab"] {
  flex: 0 0 auto;
  display: inline-flex; align-items: baseline; gap: 8px;
  padding: 9px 14px 10px;
  font: 500 .93rem/1 var(--sans);
  color: var(--ink-2);
  background: var(--tab);
  border: 1px solid var(--line);
  border-bottom: none;
  border-radius: 9px 9px 0 0;
  margin-top: 6px;
  cursor: pointer;
  transition: background .15s, color .15s, margin .15s, padding .15s;
}
.tabstrip [role="tab"]:hover { background: var(--tab-hover); color: var(--ink); }
.tabstrip [role="tab"][aria-selected="true"] {
  background: var(--panel);
  color: var(--ink);
  margin-top: 0;
  padding-bottom: 17px;
  margin-bottom: -1px;
  box-shadow: inset 0 3px 0 var(--accent);
  font-weight: 600;
}
.tabstrip [role="tab"]:focus-visible { outline: 2px solid var(--accent); outline-offset: -3px; }
.tab-no { font: 500 .68rem/1 var(--mono); color: var(--muted); letter-spacing: .04em; }
[aria-selected="true"] .tab-no { color: var(--accent); }
.tab-cta:not([aria-selected="true"]) { color: var(--accent); }

/* ---------- Sheet (tab body) ---------- */
.sheet {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0 var(--radius) var(--radius) var(--radius);
  box-shadow: var(--shadow);
  min-height: 560px;
  position: relative;
}
.sheet-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 28px;
  border-bottom: 1px solid var(--line-soft);
  font: .75rem/1 var(--mono); color: var(--muted);
}
.sheet-bar b { color: var(--ink-2); font-weight: 500; }
.sheet-dots { display: flex; gap: 6px; }
.sheet-dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--line); }
.panel { padding: 36px 44px 44px; animation: panel-in .28s ease; }
.panel[hidden] { display: none; }
@keyframes panel-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.eyebrow {
  font: 500 .74rem/1.2 var(--mono);
  text-transform: uppercase; letter-spacing: .12em;
  color: var(--accent); margin-bottom: 14px;
}
.lead { font-size: 1.1rem; color: var(--ink-2); max-width: 62ch; }
.sub { margin-top: 36px; }
.todo {
  background: var(--todo-bg); color: var(--todo-ink);
  font: .85em/1.5 var(--mono); padding: 1px 6px; border-radius: 4px;
}

/* ---------- Buttons ---------- */
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 36px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 8px;
  font: 600 .95rem/1 var(--sans); text-decoration: none; cursor: pointer;
  border: 1px solid transparent; transition: transform .12s, background .15s, border-color .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: var(--panel); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 8px 14px; font-size: .85rem; }
.btn-block { width: 100%; }
.link { font-weight: 600; text-decoration: none; font-size: .92rem; }
.link:hover { text-decoration: underline; }

/* ---------- Cards ---------- */
.cards { display: grid; gap: 16px; }
.cards-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cards-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card {
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 22px;
}
.card p { color: var(--ink-2); font-size: .95rem; margin-bottom: .6em; }
.ico { width: 28px; height: 28px; fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 12px; }
.service { display: flex; flex-direction: column; }
.service .link { margin-top: auto; }
.tag {
  align-self: flex-start;
  font: 500 .68rem/1 var(--mono); letter-spacing: .08em;
  color: var(--accent); background: var(--accent-soft);
  padding: 5px 8px; border-radius: 4px; margin-bottom: 14px;
}
.project .thumb {
  aspect-ratio: 4 / 3; border-radius: 6px; margin-bottom: 14px;
  display: grid; place-items: center;
  font: 500 .78rem var(--mono); letter-spacing: .14em; color: var(--muted);
  background:
    repeating-linear-gradient(45deg, transparent 0 10px, var(--line-soft) 10px 11px),
    var(--panel);
  border: 1px dashed var(--line);
}

/* ---------- Home pipeline ---------- */
.pipeline { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 28px; border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; }
.pipe-step { padding: 16px 18px; font-size: .9rem; font-weight: 500; position: relative; background: var(--panel); }
.pipe-step + .pipe-step { border-left: 1px solid var(--line-soft); }
.pipe-step span { display: block; font: .7rem var(--mono); color: var(--accent); margin-bottom: 4px; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 36px; align-items: start; }
.portrait { text-align: center; background: var(--panel-2); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 20px; }
.portrait-img { aspect-ratio: 1; border-radius: 8px; background: var(--tab); display: grid; place-items: center; margin-bottom: 12px; }
.portrait-img svg { width: 45%; fill: none; stroke: var(--muted); stroke-width: 1.2; }
.portrait-name { font-weight: 600; margin: 0; }
.portrait-role { color: var(--muted); font-size: .88rem; margin-bottom: 12px; }
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.checklist li { padding-left: 28px; position: relative; color: var(--ink-2); }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: .45em; width: 14px; height: 8px;
  border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg);
}
.checklist b { color: var(--ink); }

/* ---------- Career ---------- */
.career { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.career li { display: grid; grid-template-columns: 110px 1fr; gap: 14px; padding: 0 0 18px 18px; position: relative; }
.career li::before { content: ""; position: absolute; left: -5px; top: 7px; width: 9px; height: 9px; border-radius: 50%; background: var(--panel); border: 2px solid var(--accent); }
.c-years { font: .8rem/1.9 var(--mono); color: var(--accent); white-space: nowrap; }
.career p { margin: 2px 0 0; color: var(--ink-2); font-size: .93rem; }

/* ---------- Capabilities spec table ---------- */
.spec { width: 100%; border-collapse: collapse; margin-top: 18px; font-size: .95rem; }
.spec th, .spec td { text-align: left; vertical-align: top; padding: 13px 16px; border-bottom: 1px solid var(--line-soft); }
.spec th { width: 150px; font: 500 .74rem/1.9 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.spec tr:nth-child(odd) { background: var(--panel-2); }
.spec-foot { margin-top: 22px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.card-accent { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 30%, transparent); }

/* ---------- Process timeline ---------- */
.timeline { list-style: none; margin: 24px 0 0; padding: 0; }
.timeline li { display: grid; grid-template-columns: 56px 1fr; gap: 16px; padding-bottom: 26px; position: relative; }
.timeline li:not(:last-child)::after { content: ""; position: absolute; left: 21px; top: 44px; bottom: 4px; width: 1px; background: var(--line); }
.t-no {
  width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  font: 500 .8rem var(--mono); color: var(--accent);
  border: 1px solid var(--accent); background: var(--accent-soft);
}
.timeline h3 { margin: 10px 0 4px; }
.timeline p { color: var(--ink-2); margin: 0; }

/* ---------- Quote form ---------- */
.quote-form { margin-top: 24px; display: grid; gap: 22px; }
fieldset { border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 18px 22px 22px; margin: 0; display: grid; gap: 16px; }
legend { font: 500 .74rem var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); padding: 0 8px; }
.field { display: grid; gap: 6px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label, .label { font-size: .85rem; font-weight: 500; color: var(--ink-2); }
input, select, textarea {
  font: inherit; font-size: .95rem; color: var(--ink);
  background: var(--panel); border: 1px solid var(--line); border-radius: 7px;
  padding: 10px 12px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); }
textarea { resize: vertical; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips label { cursor: pointer; position: relative; }
/* the real tick box is invisible (the round button shows the state); keep it tiny and inside its button,
   otherwise its 100% width reaches past the screen edge and phones can zoom out to an empty strip */
.chips input { position: absolute; left: 0; top: 0; width: 1px; height: 1px; margin: 0; padding: 0; opacity: 0; pointer-events: none; }
.chips span { display: inline-block; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line); font: 500 .85rem var(--mono); background: var(--panel); }
.chips input:checked + span { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.chips input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
.check input { width: 18px; height: 18px; margin-top: 3px; flex: none; accent-color: var(--accent); }
.drop {
  position: relative; border: 1.5px dashed var(--line); border-radius: var(--radius);
  padding: 22px; text-align: center; color: var(--muted); background: var(--panel-2); transition: border-color .15s, background .15s;
}
.drop.over { border-color: var(--accent); background: var(--accent-soft); }
.drop input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.drop p { margin: 0; font-size: .9rem; }
.drop b { color: var(--accent); }
.file-list { list-style: none; margin: 10px 0 0; padding: 0; font: .8rem var(--mono); color: var(--ink-2); }
.form-foot { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.form-status { margin: 0; font-size: .92rem; }
.form-status.ok { color: var(--ok); }
.form-status.err { color: #d33; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #d33; box-shadow: 0 0 0 1px #d33; }
.field.invalid label { color: #d33; }
.check.invalid { color: #d33; }
.check.invalid input { outline: 2px solid #d33; outline-offset: 2px; }
.field-hint { color: var(--warn); font-size: .85rem; font-weight: 600; }
.field-hint::before { content: "⚠ "; }
.field-hint:empty { display: none; }
details { border-bottom: 1px solid var(--line-soft); padding: 12px 0; }
details summary { cursor: pointer; font-weight: 500; }
details p { color: var(--ink-2); margin: 10px 0 0; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 24px 0; }
.contact-card {
  display: grid; grid-template-columns: 36px 1fr; column-gap: 12px; align-items: center;
  padding: 18px; border: 1px solid var(--line-soft); border-radius: var(--radius);
  background: var(--panel-2); text-decoration: none; color: var(--ink);
}
a.contact-card:hover { border-color: var(--accent); }
.contact-card .ico { grid-row: span 2; margin: 0; }
.c-label { font: .72rem var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.c-value { font-weight: 500; overflow-wrap: anywhere; }

/* ---------- 3D viewport ---------- */
.viewport {
  margin: 0; position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow: hidden;
  /* always a dark "stage" – white laser engraving needs contrast */
  --panel: #1b212a; --line: #3a4452; --ink-2: #c9d1db; --muted: #8e99a6; --accent: #9da4ff; --accent-ink: #10131a;
  background: radial-gradient(120% 90% at 50% 20%, #343c4d 0%, #161a21 60%, #0c0e12 100%);
  border-color: #2a313c;
  box-shadow: var(--shadow);
}
#crystal { width: 100%; height: 100%; display: block; cursor: grab; touch-action: pan-y; }
#crystal:active { cursor: grabbing; }
.vp-loading {
  position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 12px;
  font: .8rem var(--mono); color: var(--muted); transition: opacity .4s;
}
.vp-loading.done { opacity: 0; pointer-events: none; }
.spinner { width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--line); border-top-color: var(--accent); animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.vp-hint {
  position: absolute; left: 12px; bottom: 10px;
  font: .7rem var(--mono); color: var(--muted); pointer-events: none;
}
.vp-tools { position: absolute; top: 10px; right: 10px; display: flex; flex-direction: column; gap: 4px; }
.vp-tools button {
  min-width: 36px; height: 28px; padding: 0 6px;
  font: 500 .68rem var(--mono); color: var(--ink-2);
  background: color-mix(in srgb, var(--panel) 80%, transparent);
  border: 1px solid var(--line); border-radius: 5px; cursor: pointer;
  backdrop-filter: blur(4px);
}
.vp-tools button:hover { color: var(--accent); border-color: var(--accent); }
.vp-tools button[aria-pressed="true"] { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }

/* ---------- Properties panel (CAM-style) ---------- */
.props {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 0 0 16px; box-shadow: var(--shadow); overflow: hidden;
}
.props-title {
  margin: 0; padding: 10px 16px; font: 500 .74rem var(--mono); letter-spacing: .12em; text-transform: uppercase;
  color: var(--muted); background: var(--panel-2); border-bottom: 1px solid var(--line-soft);
}
.props dl { margin: 0 0 14px; }
.props dl div { display: grid; grid-template-columns: 100px 1fr; padding: 8px 16px; border-bottom: 1px solid var(--line-soft); font-size: .88rem; }
.props dt { font: .78rem var(--mono); color: var(--muted); align-self: center; }
.props dd { margin: 0; font-weight: 500; }
.props .btn-block { width: calc(100% - 32px); margin: 0 16px; }
.led { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--ok); margin-right: 8px; box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 25%, transparent); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 6px color-mix(in srgb, var(--ok) 0%, transparent); } }

/* ---------- Footer & dialog ---------- */
.footer { margin-top: 20px; padding: 0 4px; font-size: .8rem; color: var(--muted); }
.footer p { margin: 0 0 4px; }
.footer a { color: var(--muted); }
.privacy {
  max-width: 560px; width: calc(100% - 32px);
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--panel); color: var(--ink); padding: 28px 30px; box-shadow: var(--shadow);
}
.privacy::backdrop { background: rgba(10, 14, 20, .45); }
.privacy p { font-size: .92rem; color: var(--ink-2); }
.privacy .close { position: absolute; top: 10px; right: 12px; border: none; background: none; font-size: 1.6rem; color: var(--muted); cursor: pointer; }

/* ---------- Responsive ---------- */
@media (max-width: 1400px) { .tab-no { display: none; } }
/* Tablets and unfolded phones: logo left, 3D logo right (as in the original sketch), content below */
@media (max-width: 1100px) {
  .workspace {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas: "logo view" "doc doc" "props props" "foot foot";
    padding: 20px 20px 32px;
  }
  .col-main, .col-side { display: contents; }
  .masthead { grid-area: logo; margin-bottom: 0; align-self: center; }
  .viewport { grid-area: view; aspect-ratio: 4 / 3; }
  .doc { grid-area: doc; min-width: 0; }
  .props { grid-area: props; }
  .props dl { display: grid; grid-template-columns: 1fr 1fr; }
  .props .btn-block { width: auto; max-width: 320px; margin: 0 16px; }
  .footer { grid-area: foot; }
}
/* Phones (incl. the outer screen of folding phones): everything in one column */
@media (max-width: 600px) {
  .workspace { grid-template-columns: minmax(0, 1fr); grid-template-areas: "logo" "view" "doc" "foot"; }
  .viewport { aspect-ratio: 16 / 10; }
}
@media (max-width: 760px) {
  .workspace { padding: 16px 16px 28px; gap: 20px; }
  .props { display: none; }
  .panel { padding: 26px 20px 30px; }
  .sheet-bar { padding: 10px 20px; }
  .cards-3, .cards-2, .field-row, .contact-grid, .about-grid { grid-template-columns: 1fr; }
  .pipeline { grid-template-columns: 1fr 1fr; }
  .pipe-step:nth-child(3) { border-left: none; }
  .pipe-step:nth-child(n+3) { border-top: 1px solid var(--line-soft); }
  .portrait { max-width: 260px; }
  .tabstrip [role="tab"] { padding: 9px 14px 10px; }
  .career li { grid-template-columns: 1fr; gap: 0; }
  .spec th, .spec td { display: block; width: auto; padding: 4px 12px; }
  .spec th { padding-top: 12px; border-bottom: none; }
  .spec td { padding-bottom: 12px; }
}

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

/* ---------- Photos: project thumbnails, portrait, lightbox ---------- */
.project .thumb {
  display: block; padding: 0; width: 100%; cursor: zoom-in; overflow: hidden;
  background: #fff; border: 1px solid var(--line-soft);
}
.project .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.project .thumb:hover img { transform: scale(1.04); }
.project .thumb:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.project .thumb.fit-contain img { object-fit: contain; }
.project .thumb.fit-top img { object-position: 50% 20%; }
.project .tag { display: inline-block; }
img.portrait-img { width: 100%; object-fit: cover; }
.muted { color: var(--muted); font-size: .88rem; }
.props-link { display: block; text-align: center; margin: 12px 16px 0; font-size: .85rem; font-weight: 500; text-decoration: none; }
.props-link:hover { text-decoration: underline; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.lightbox {
  max-width: min(1200px, calc(100% - 32px)); max-height: calc(100% - 32px);
  padding: 0; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--panel); color: var(--ink); box-shadow: var(--shadow); overflow: hidden;
}
.lightbox::backdrop { background: rgba(8, 11, 16, .8); }
.lightbox img { display: block; max-width: 100%; max-height: calc(100vh - 110px); margin: 0 auto; }
.lightbox p { margin: 0; padding: 12px 18px; font-weight: 500; border-top: 1px solid var(--line-soft); }
.lightbox .close {
  position: absolute; top: 8px; right: 8px; width: 34px; height: 34px; border-radius: 50%;
  border: none; background: rgba(0,0,0,.55); color: #fff; font-size: 1.4rem; line-height: 1; cursor: pointer;
}