/* Northpoint 3D, v4. Paper ground, charcoal type, one deep-green accent used sparingly, Barlow headlines over Inter body.
   No gradients, no glow, no motion beyond a fade-in. Twelve-column grid with hairline rules. Dark footer band only. */
:root {
  --canvas: #FFFFFF; --surface: #F5F6F7; --surface-2: #ECEEF0; --surface-3: #D9DDE1;
  --ink: #15181C; --text: #15181C; --muted: #5A6370; --dim: #8B939D;
  --accent: #1F5F4A; --accent-hi: #2A7A60; --accent-ink: #FFFFFF;
  --rule: #DEE2E6; --rule-faint: #EBEEF1;
  --foot-bg: #15181C; --foot-text: #C9CED4; --foot-muted: #8B939D; --foot-rule: rgba(255, 255, 255, 0.12);
  --display: "Barlow", "Helvetica Neue", Arial, sans-serif;
  --body: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --gutter: 24px; --frame: 1200px; --ease: cubic-bezier(0.22, 1, 0.36, 1); --r: 4px;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { background: var(--canvas); scroll-behavior: smooth; }
body { margin: 0; color: var(--text); font-family: var(--body); font-size: 1.0625rem; line-height: 1.55; font-variant-numeric: tabular-nums; -webkit-font-smoothing: antialiased; overflow-x: hidden; background: var(--canvas); }
::selection { background: var(--ink); color: #FFFFFF; }
a { color: var(--text); text-decoration-thickness: 1px; text-underline-offset: 3px; text-decoration-color: var(--surface-3); }
a:hover { color: var(--accent); text-decoration-color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
img, svg { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; margin: 0; text-wrap: balance; letter-spacing: -0.01em; line-height: 1.1; color: var(--ink); }
h1 { font-size: clamp(2rem, 4.2vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 2.4vw, 2.1rem); }
h3 { font-size: 1.2rem; line-height: 1.3; }
p { margin: 0 0 1em; max-width: 62ch; }
.lead { font-size: 1.2rem; line-height: 1.5; max-width: 54ch; color: var(--muted); }
.label { font-family: var(--display); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin: 0 0 14px; }
.num { font-family: var(--display); font-weight: 700; color: var(--dim); line-height: 1; }

.frame { position: relative; width: min(100% - 2 * var(--gutter), var(--frame)); margin: 0 auto; }
.grid { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gutter); }
main, header, footer { position: relative; z-index: 1; }

/* Header */
header.frame { border-bottom: 1px solid var(--rule); width: 100%; background: var(--canvas); }
.top { width: min(100% - 2 * var(--gutter), var(--frame)); margin: 0 auto; padding: 16px 0; align-items: center; }
.brand { grid-column: 1 / span 5; display: inline-flex; align-items: center; text-decoration: none; }
.brand img { height: 38px; width: auto; }
.nav { grid-column: 6 / span 7; display: flex; gap: 26px; justify-content: flex-end; align-items: center; }
.nav a { font-size: 0.9rem; font-weight: 500; letter-spacing: 0; color: var(--muted); text-decoration: none; padding: 10px 0; min-height: 44px; display: inline-flex; align-items: center; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"] { border-bottom-color: var(--accent); }
.nav .btn, .nav .btn:hover { color: #FFFFFF; padding: 9px 18px; min-height: 40px; font-size: 0.9rem; border-bottom: 1px solid var(--ink); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 24px; background: var(--ink); color: #FFFFFF;
  font-family: var(--body); font-weight: 600; font-size: 0.95rem; letter-spacing: 0; text-transform: none; text-decoration: none;
  border: 1px solid var(--ink); border-radius: var(--r); cursor: pointer; transition: background-color 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease); }
.btn:hover { background: #2A2F36; border-color: #2A2F36; color: #FFFFFF; }
.btn[disabled], .btn[aria-busy="true"] { opacity: 0.55; cursor: progress; }
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--surface-3); }
.btn-secondary:hover { background: var(--surface); color: var(--ink); border-color: var(--muted); }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }

/* Hero */
.hero { padding: 72px 0 24px; row-gap: 20px; }
.hero .eyebrow, .hero h1, .hero .lead, .hero .btn-row { grid-column: 1 / span 9; }
.hero .btn-row { margin-top: 6px; }
.hero-home { padding: 80px 0 48px; row-gap: 0; align-items: start; }
.hero-home .copy { grid-column: 1 / span 6; align-self: center; }
.hero-home .copy h1 { font-size: clamp(2.1rem, 3.9vw, 3.2rem); }
.hero-home .copy .lead { margin-top: 22px; }
.hero-home .copy .btn-row { margin-top: 28px; }
.hero-home .side { grid-column: 9 / span 4; margin: 0; padding-top: 6px; border-left: 1px solid var(--rule); padding-left: 24px; }
.hero-home .side dt { font-family: var(--display); font-weight: 600; font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-top: 20px; }
.hero-home .side dt:first-child { margin-top: 0; }
.hero-home .side dd { margin: 5px 0 0; color: var(--text); font-size: 1rem; line-height: 1.45; }
.where { grid-column: 1 / span 12; margin: 44px 0 0; padding-top: 18px; border-top: 1px solid var(--rule); font-size: 0.86rem; letter-spacing: 0.02em; color: var(--muted); max-width: none; display: flex; gap: 10px 24px; flex-wrap: wrap; }
.where span { color: var(--ink); font-weight: 600; }
.where span:not(:first-child) { color: var(--surface-3); font-weight: 400; font-size: 0.6em; align-self: center; }

/* Hero part: one real part, render or drawing, with a title-block strip under it */
.hero-part { grid-column: 7 / span 6; margin: 0; border: 1px solid var(--rule); border-radius: var(--r); overflow: hidden; background: #FFFFFF; }
.hero-part .shot { position: relative; aspect-ratio: 3 / 2; background: var(--surface); }
.hero-part .shot img.v { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-part .shot img.v.dwg { object-fit: contain; padding: 6px; background: #FFFFFF; cursor: zoom-in; }
.hero-part .shot img[hidden] { display: none; }
.tblock { display: grid; grid-template-columns: auto 1fr auto auto; margin: 0; border-top: 1px solid var(--rule); border-left: 4px solid var(--accent); }
.tblock div { padding: 10px 14px; border-left: 1px solid var(--rule-faint); min-width: 0; }
.tblock div:first-child { border-left: 0; }
.tblock .k { display: block; font-family: var(--display); font-size: 0.66rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.tblock b { display: block; font-family: var(--display); font-weight: 700; font-size: 1rem; color: var(--ink); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.specblock { grid-column: 1 / span 12; grid-template-columns: repeat(6, 1fr); margin-top: 12px; border: 1px solid var(--rule); border-left: 4px solid var(--accent); border-radius: 0 var(--r) var(--r) 0; }
.specblock div { padding: 18px 20px; }
.specblock dt, .specblock dd { margin: 0; }
.specblock b { font-size: clamp(1.1rem, 1.6vw, 1.35rem); white-space: normal; margin-top: 4px; }

/* Lightbox for drawing sheets */
.lightbox { position: fixed; inset: 0; z-index: 50; background: rgba(21, 24, 28, 0.86); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; padding: 14px 24px 24px; }
.lightbox[hidden] { display: none; }
.lightbox img { max-width: 100%; max-height: calc(100% - 52px); width: auto; background: #FFFFFF; border-radius: 3px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4); }
.lightbox .lb-bar { display: flex; gap: 10px; align-self: flex-end; flex: 0 0 auto; }
.lightbox .lb-bar a, .lightbox .lb-bar button { font: 600 0.85rem var(--body); color: #FFFFFF; background: rgba(255, 255, 255, 0.12); border: 1px solid rgba(255, 255, 255, 0.3); border-radius: 3px; padding: 8px 14px; cursor: pointer; text-decoration: none; min-height: 40px; display: inline-flex; align-items: center; }
.lightbox .lb-bar a:hover, .lightbox .lb-bar button:hover { background: rgba(255, 255, 255, 0.22); color: #FFFFFF; }
.card.part .shot img.v.dwg { cursor: zoom-in; }

/* Bands */
.band { padding: 64px 0; border-top: 1px solid var(--rule); }
.band .label { grid-column: 1 / span 12; margin-bottom: 28px; }
.full { grid-column: 1 / span 12; }
.intro { grid-column: 1 / span 12; max-width: 62ch; color: var(--muted); margin: -8px 0 24px; }

/* Stack: the tools, as plain labels */
.strip { padding: 26px 0; border-top: 1px solid var(--rule); align-items: center; }
.strip .label { grid-column: 1 / span 2; margin: 0; }
.stack { grid-column: 3 / span 10; display: flex; flex-wrap: wrap; gap: 10px 32px; margin: 0; padding: 0; list-style: none; }
.stack li { font-family: var(--body); font-weight: 500; font-size: 0.92rem; letter-spacing: 0; text-transform: none; color: var(--muted); white-space: nowrap; }

/* Cards (work, template slots) */
.cards { row-gap: 28px; }
.cards .c4 { grid-column: span 4; } .cards .c6 { grid-column: span 6; } .cards .c12 { grid-column: 1 / span 12; }
.card { display: grid; grid-template-rows: auto 1fr; gap: 0; margin: 0; background: var(--canvas); border: 1px solid var(--rule); border-radius: var(--r); overflow: hidden; }
.card .shot { position: relative; height: 280px; background: var(--surface); display: flex; align-items: center; justify-content: center; }
.card .shot img { width: 100%; height: 100%; object-fit: cover; }
.card figcaption { padding: 18px 20px 20px; }
.card figcaption b { display: block; font-family: var(--display); font-weight: 700; font-size: 1.05rem; color: var(--ink); margin-bottom: 6px; }
.card figcaption span { color: var(--muted); font-size: 0.95rem; }
.model-wrap { position: relative; }
.model-wrap img.poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; transition: opacity 700ms var(--ease); pointer-events: none; }
.model-wrap.ready img.poster { opacity: 0; }
.card canvas.model { position: relative; width: 100%; height: 280px; display: block; cursor: grab; touch-action: pan-y; opacity: 0; transition: opacity 600ms var(--ease); }
.card canvas.model.model-ready { opacity: 1; } .card canvas.model:active { cursor: grabbing; }
.card canvas.model.model-off { display: none; }
.card .hint { position: absolute; right: 14px; top: 14px; z-index: 3; font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); pointer-events: none; }

/* Portfolio cards: render and drawing views with a tab switch */
.card.part .shot { background: #FFFFFF; border-bottom: 1px solid var(--rule-faint); }
.card.part .shot img.v { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.card.part .shot img.v.dwg { object-fit: contain; padding: 6px; }
.card.part .shot img[hidden] { display: none; }
.view-tabs { position: absolute; left: 12px; bottom: 12px; z-index: 2; display: flex; gap: 2px; background: rgba(255, 255, 255, 0.94); border: 1px solid var(--rule); border-radius: 3px; padding: 3px; }
.view-tabs button { font-family: var(--display); font-weight: 600; font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); background: none; border: 0; padding: 0 10px; min-height: 28px; border-radius: 2px; cursor: pointer; }
.view-tabs button.on { background: var(--ink); color: #FFFFFF; }
.view-tabs button:hover:not(.on) { color: var(--ink); }
.card.part figcaption .tag { display: inline-block; font-family: var(--display); font-weight: 700; font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.card.part figcaption dl { margin: 10px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 0.9rem; }
.card.part figcaption dt { color: var(--accent); font-weight: 600; white-space: nowrap; }
.card.part figcaption dd { margin: 0; color: var(--muted); }
.card.part figcaption .sheet { display: inline-block; margin-top: 14px; font-size: 0.88rem; font-weight: 600; color: var(--ink); }

/* Template slots: what goes here, until the real part is shot */
.slot { border: 1px dashed var(--surface-3); background: transparent; }
.slot .shot { background: repeating-linear-gradient(135deg, var(--surface) 0 14px, #F9FAFB 14px 28px); flex-direction: column; gap: 8px; text-align: center; padding: 20px; }
.slot .shot .k { font-family: var(--display); font-weight: 600; font-size: 0.76rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.slot .shot .t { font-family: var(--display); font-weight: 700; font-size: 1.4rem; color: var(--ink); line-height: 1.15; }
.slot .shot .s { color: var(--muted); font-size: 0.9rem; max-width: 30ch; }
.slot .status { display: inline-block; margin-bottom: 10px; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; color: var(--accent); background: #E8F1ED; padding: 3px 8px; border-radius: 3px; }
.slot .status.todo { background: var(--surface-2); color: var(--muted); }
.slot figcaption dl { margin: 10px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 0.9rem; }
.slot figcaption dt { color: var(--ink); font-weight: 600; white-space: nowrap; }
.slot figcaption dd { margin: 0; color: var(--muted); }
.brief { grid-column: 1 / span 12; padding: 28px 30px; border: 1px solid var(--rule); border-left: 3px solid var(--accent); border-radius: var(--r); background: var(--surface); }
.brief h2 { font-size: 1.3rem; margin-bottom: 10px; }
.brief p, .brief li { color: var(--muted); max-width: 72ch; }
.brief ul, .brief ol { padding-left: 20px; margin: 0; } .brief li { margin-bottom: 6px; } .brief li b, .brief p b { color: var(--ink); }
.brief .cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px 32px; margin-top: 18px; }
.brief .cols h3 { font-size: 1rem; color: var(--ink); margin-bottom: 8px; }

/* Steps */
.step { grid-column: 1 / span 12; display: grid; grid-template-columns: subgrid; padding: 26px 0; border-top: 1px solid var(--rule-faint); }
.step:first-of-type { border-top: 0; }
.step .num { grid-column: 1 / span 2; font-size: clamp(2rem, 4vw, 3rem); }
.step h3 { grid-column: 3 / span 4; font-size: 1.25rem; }
.step p { grid-column: 7 / span 6; margin: 0; color: var(--muted); }

/* Kinds of job */
.kinds { row-gap: 40px; }
.kind-main { grid-column: 1 / span 7; }
.kind-main h2 { margin-bottom: 18px; }
.kind-side { grid-column: 9 / span 4; display: flex; flex-direction: column; gap: 30px; }
.kind-side article { padding-top: 18px; border-top: 1px solid var(--rule); }
.kind-side h3 { margin-bottom: 10px; }
.from { display: inline-block; margin-top: 6px; color: var(--accent); font-weight: 600; }

/* Pillars, stats */
.pillars { row-gap: 28px; }
.pillars h2 { grid-column: 1 / span 9; margin-bottom: 8px; }
.pillars.four .pillar { grid-column: span 3; }
.pillar { grid-column: span 4; padding: 22px 22px 22px; border: 1px solid var(--rule); border-top: 2px solid var(--ink); background: var(--canvas); border-radius: 0 0 var(--r) var(--r); }
.pillar .k { display: block; font-family: var(--display); font-weight: 600; font-size: 0.76rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.pillar h3 { font-size: 1.2rem; margin: 10px 0 10px; }
.pillar p { color: var(--muted); margin: 0; font-size: 1rem; max-width: none; }
.stats { grid-column: 1 / span 12; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 12px; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.stats div { padding: 22px 20px; border-left: 1px solid var(--rule-faint); }
.stats div:first-child { border-left: 0; }
.stats b { display: block; font-family: var(--display); font-weight: 700; font-size: clamp(1.4rem, 2.4vw, 2rem); color: var(--ink); line-height: 1.1; }
.stats span { display: block; margin-top: 8px; color: var(--muted); font-size: 0.95rem; }

/* Tables */
.table-wrap { grid-column: 1 / span 12; overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 1rem; }
th, td { text-align: left; padding: 14px 16px 14px 0; border-top: 1px solid var(--rule-faint); vertical-align: top; }
thead th { border-top: 0; border-bottom: 1px solid var(--ink); color: var(--muted); font-family: var(--display); font-weight: 600; font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; }
td.price { white-space: nowrap; color: var(--ink); font-weight: 600; }
tr:hover td { background: rgba(21, 24, 28, 0.03); }
.note { margin-top: 18px; color: var(--muted); }
.note b { color: var(--ink); }
td.lvl { white-space: nowrap; letter-spacing: 0.05em; color: var(--accent); }
td.dim { color: var(--muted); }

/* Prose and aside */
.prose { grid-column: 1 / span 8; }
.prose h2 { margin: 40px 0 12px; font-size: 1.35rem; }
.prose ul, .prose ol { padding-left: 20px; } .prose li { margin-bottom: 8px; max-width: 62ch; }
.aside { grid-column: 10 / span 3; color: var(--muted); font-size: 1rem; margin: 0; }
.aside dt { font-family: var(--display); font-weight: 600; font-size: 0.76rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-top: 20px; }
.aside dd { margin: 4px 0 0; color: var(--ink); }
.aside img.shop { width: 100%; border-radius: var(--r); border: 1px solid var(--rule); margin: 24px 0 4px; }

/* Form */
.form { grid-column: 1 / span 7; display: grid; gap: 22px; }
.form label { display: block; }
.form label > span { display: block; font-family: var(--body); font-size: 0.9rem; letter-spacing: 0; text-transform: none; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.form input, .form select, .form textarea { width: 100%; min-height: 48px; padding: 12px 14px; font: inherit; color: var(--text); background: var(--canvas); border: 1px solid var(--surface-3); border-radius: var(--r); transition: border-color 160ms var(--ease); }
.form input:hover, .form select:hover, .form textarea:hover { border-color: var(--muted); }
.form input:focus-visible, .form select:focus-visible, .form textarea:focus-visible { outline-offset: 0; border-color: var(--accent); }
.form input[aria-invalid="true"], .form textarea[aria-invalid="true"] { border-color: #B3261E; }
.form ::placeholder { color: var(--dim); opacity: 1; }
.form textarea { min-height: 160px; resize: vertical; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form .file-pick input[type="file"] { padding: 10px 14px; cursor: pointer; }
.form .file-pick input[type="file"]::file-selector-button { font: inherit; font-weight: 600; color: #FFFFFF; background: var(--ink); border: 0; border-radius: 3px; padding: 8px 16px; margin-right: 14px; cursor: pointer; }
.form .file-list { display: block; margin-top: 8px; font-size: 0.9rem; color: var(--muted); }
.form .file-list.bad { color: #B3261E; }
.form-note { grid-column: 9 / span 4; color: var(--muted); font-size: 1rem; }
.form-note b { color: var(--ink); }
.msg { padding: 14px 16px; border: 1px solid var(--rule); border-radius: var(--r); background: var(--surface); grid-column: 1 / span 7; }
.msg-ok { border-color: var(--accent); } .msg-err { border-color: #B3261E; }
.scan-hero .btn-row { gap: 12px; }

/* Materials */
.spec { grid-column: 1 / span 12; display: grid; grid-template-columns: repeat(6, 1fr); margin: 0; border: 1px solid var(--rule); border-radius: var(--r); background: var(--surface); overflow: hidden; }
.spec div { padding: 20px 18px; border-left: 1px solid var(--rule); }
.spec div:first-child { border-left: 0; }
.spec dt { font-family: var(--display); font-weight: 600; font-size: 0.76rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.spec dd { margin: 8px 0 0; color: var(--ink); font-size: 1rem; line-height: 1.4; }
.spec dd small { display: block; color: var(--muted); font-size: 0.9rem; margin-top: 2px; }
.mats { row-gap: 24px; }
.mats .group { grid-column: 1 / span 12; display: grid; grid-template-columns: subgrid; row-gap: 8px; padding-top: 8px; }
.mats .group h2 { grid-column: 1 / span 7; font-size: 1.35rem; }
.mats .group p { grid-column: 8 / span 5; color: var(--muted); margin: 0; font-size: 1rem; }
.mat { grid-column: span 4; display: flex; flex-direction: column; gap: 10px; padding: 22px 22px 18px; background: var(--canvas); border: 1px solid var(--rule); border-radius: var(--r); }
.mat header { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.mat h3 { font-size: 1.15rem; color: var(--ink); }
.mat .tag { flex: 0 0 auto; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; color: var(--accent); white-space: nowrap; }
.mat > p { color: var(--muted); margin: 0; font-size: 1rem; max-width: none; }
.mat .meter { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; align-items: center; margin: 4px 0 0; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.mat .meter dt { margin: 0; } .mat .meter dd { margin: 0; display: flex; gap: 3px; }
.mat .meter dd b { width: 16px; height: 6px; background: var(--surface-2); border-radius: 1px; }
.mat .meter dd b.on { background: var(--ink); }
.mat .use { font-size: 0.95rem; color: var(--ink); margin: 4px 0 0; max-width: none; }
.mat .use b { color: var(--accent); font-weight: 600; }
.mat .foot { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--rule-faint); font-size: 0.88rem; color: var(--muted); }
.chooser { grid-column: 1 / span 12; display: grid; grid-template-columns: 1fr 1fr; column-gap: var(--gutter); margin: 0; }
.chooser div { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; padding: 18px 0; border-top: 1px solid var(--rule-faint); }
.chooser dt { font-weight: 700; color: var(--ink); }
.chooser dd { margin: 0; color: var(--muted); font-size: 1rem; }
.chooser dd b { display: block; color: var(--ink); font-weight: 600; }
.swatches { grid-column: 1 / span 12; list-style: none; margin: 8px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.swatches li { display: grid; grid-template-columns: 44px 1fr; grid-template-rows: auto auto; column-gap: 14px; align-items: center; padding: 14px 16px; border: 1px solid var(--rule); border-radius: var(--r); background: var(--canvas); }
.swatches li.main { border-color: var(--surface-3); background: var(--surface); }
.swatches i { grid-row: 1 / span 2; width: 44px; height: 44px; border-radius: 50%; background: var(--c); opacity: var(--alpha, 1); border: 1px solid rgba(0, 0, 0, 0.12); }
.swatches b { font-size: 0.95rem; color: var(--ink); font-weight: 700; }
.swatches span { font-size: 0.85rem; color: var(--muted); line-height: 1.3; }
.chips { grid-column: 1 / span 12; display: flex; flex-wrap: wrap; gap: 12px; margin-top: 4px; }
.chip { display: inline-flex; flex-direction: column; gap: 2px; padding: 12px 18px; border: 1px solid var(--rule); border-radius: var(--r); background: var(--canvas); text-decoration: none; color: var(--ink); transition: border-color 160ms var(--ease); }
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip b { font-family: var(--display); font-weight: 700; font-size: 0.95rem; color: var(--ink); }
.chip span { font-size: 0.88rem; color: var(--muted); }

/* FAQ, callout, CTA */
.faq { grid-column: 1 / span 8; }
.faq h2 { font-size: 1.3rem; margin: 36px 0 6px; }
.faq h2:first-child { margin-top: 0; }
.faq details { border-top: 1px solid var(--rule-faint); }
.faq details:last-of-type { border-bottom: 1px solid var(--rule-faint); }
.faq summary { cursor: pointer; list-style: none; position: relative; padding: 18px 44px 18px 0; font-weight: 600; font-size: 1.08rem; line-height: 1.35; color: var(--ink); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%); font-family: var(--display); font-size: 1.3rem; color: var(--muted); transition: transform 200ms var(--ease); }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq summary:hover { color: var(--accent); }
.faq details p { color: var(--muted); margin: 0 0 18px; max-width: 64ch; }
.callout { grid-column: 1 / span 12; display: grid; grid-template-columns: 1fr auto; gap: 20px 32px; align-items: center; padding: 26px 30px; border: 1px solid var(--rule); border-left: 3px solid var(--accent); border-radius: var(--r); background: var(--surface); }
.callout p { margin: 0; color: var(--muted); max-width: 72ch; }
.callout b { color: var(--ink); }
.callout .btn { white-space: nowrap; }
.cta { padding: 80px 0; border-top: 1px solid var(--rule); text-align: center; background: var(--surface); }
.cta h2 { grid-column: 1 / span 12; font-size: clamp(1.7rem, 3.2vw, 2.6rem); }
.cta p { grid-column: 1 / span 12; margin: 16px auto 0; color: var(--muted); max-width: 52ch; }
.cta .btn-row { grid-column: 1 / span 12; justify-content: center; }

/* Footer: the one dark band */
footer.frame { width: 100%; }
footer { background: var(--foot-bg); color: var(--foot-text); padding: 56px 0 40px; margin-top: 0; font-size: 1rem; width: 100%; }
footer .grid { width: min(100% - 2 * var(--gutter), var(--frame)); margin: 0 auto; }
footer .col { grid-column: span 4; }
footer .logo { width: 200px; }
footer .col p.tag { margin-top: 16px; font-size: 0.9rem; max-width: 32ch; color: var(--foot-muted); }
footer .label { color: var(--foot-muted); }
footer nav { display: flex; flex-direction: column; gap: 8px; }
footer a { color: var(--foot-text); text-decoration: none; } footer a:hover { color: #FFFFFF; }
footer .legal { grid-column: 1 / span 12; max-width: none; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--foot-rule); font-size: 0.875rem; color: var(--foot-muted); }

/* Motion: a short fade-in only */
.rise { opacity: 0; transform: translateY(10px); animation: rise 560ms var(--ease) forwards; animation-delay: calc(var(--i, 0) * 70ms); }
@keyframes rise { to { opacity: 1; transform: none; } }
.watch { opacity: 0; transform: translateY(10px); transition: opacity 520ms var(--ease), transform 520ms var(--ease); transition-delay: calc(var(--i, 0) * 60ms); }
.watch.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rise, .watch { animation: none; transition: none; opacity: 1; transform: none; } }

/* Narrow screens */
@media (max-width: 1100px) { .nav { gap: 16px; } .nav a { font-size: 0.85rem; } .brand { grid-column: 1 / span 4; } .nav { grid-column: 5 / span 8; } .pillars.four .pillar { grid-column: span 6; } }
@media (max-width: 880px) {
  .grid, .step { grid-template-columns: repeat(4, 1fr); }
  .brand { grid-column: 1 / span 4; } .brand img { height: 32px; }
  .nav { grid-column: 1 / span 4; justify-content: flex-start; gap: 14px; flex-wrap: wrap; margin-top: 8px; }
  .hero { padding-top: 40px; } .hero-home { padding-top: 48px; }
  .hero .eyebrow, .hero h1, .hero .lead, .hero .btn-row, .hero-home .copy, .hero-home .side, .where { grid-column: 1 / span 4; }
  .hero-home .side { border-left: 0; padding-left: 0; margin-top: 36px; border-top: 1px solid var(--rule); padding-top: 20px; }
  .hero-part { grid-column: 1 / span 4; margin-top: 28px; }
  .tblock { grid-template-columns: 1fr 1fr; } .tblock div:nth-child(odd) { border-left: 0; } .tblock div:nth-child(n+3) { border-top: 1px solid var(--rule-faint); }
  .specblock { grid-template-columns: 1fr 1fr; }
  .tblock b { white-space: normal; }
  .band .label, .full, .intro, .step, .kind-main, .kind-side, .table-wrap, .prose, .aside, .form, .form-note, .msg, .pillars h2, .pillar, .stats, .specblock, .spec, .mats .group, .mats .group h2, .mats .group p, .mat, .chooser, .faq, .callout, .chips, .cta h2, .cta p, .cta .btn-row, .brief, .cards .c4, .cards .c6, .cards .c12, .strip .label, .stack, .swatches { grid-column: 1 / span 4; }
  .strip .label { margin-bottom: 12px; }
  .step .num { grid-column: 1 / span 1; } .step h3 { grid-column: 2 / span 3; } .step p { grid-column: 2 / span 3; margin-top: 10px; }
  .stats { grid-template-columns: 1fr 1fr; } .stats div:nth-child(odd) { border-left: 0; } .stats div:nth-child(n+3) { border-top: 1px solid var(--rule-faint); }
  .spec { grid-template-columns: 1fr 1fr; } .spec div:nth-child(odd) { border-left: 0; } .spec div:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .mats .group { grid-template-columns: repeat(4, 1fr); }
  .chooser { grid-template-columns: 1fr; } .chooser div { grid-template-columns: 1fr; }
  .callout { grid-template-columns: 1fr; } .brief .cols { grid-template-columns: 1fr; }
  .swatches { grid-template-columns: 1fr; } .chip { flex: 1 1 45%; }
  .form .row { grid-template-columns: 1fr; }
  .scan-hero .btn-row .btn { width: 100%; min-height: 56px; font-size: 1.05rem; }
  footer .col { grid-column: 1 / span 4; margin-bottom: 24px; } footer .legal { grid-column: 1 / span 4; }
}