:root {
  --page: oklch(97.2% 0.006 270);
  --surface: oklch(99% 0.004 270);
  --surface-alt: oklch(94.5% 0.009 270);
  --line: oklch(86.5% 0.012 270);
  --line-strong: oklch(73% 0.018 270);
  --ink: oklch(24% 0.018 245);
  --muted: oklch(43% 0.017 245);
  --brand: oklch(51% 0.12 278);
  --brand-deep: oklch(42% 0.105 278);
  --brand-pale: oklch(92.5% 0.026 278);
  --mineral: oklch(71% 0.035 75);
  --danger: oklch(49% 0.15 20);
  --danger-pale: oklch(94% 0.026 20);
  --success: oklch(43% 0.08 155);
  --success-pale: oklch(94% 0.025 155);
  --focus: oklch(57% 0.16 278);
  --radius: 10px;
  --radius-sm: 6px;
  --max: 1220px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-toggle: cubic-bezier(0.65, 0, 0.35, 1);
  --z-sticky: 200;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-width: 320px;
  margin: 0;
  overflow-x: clip;
  color: var(--ink);
  background: var(--page);
  font-family: Aptos, "Segoe UI Variable", "Helvetica Neue", Arial, system-ui, sans-serif;
  font-size: 1rem;
  font-kerning: normal;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
[hidden] { display: none !important; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }
::selection { color: var(--surface); background: var(--brand-deep); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.container { width: min(calc(100% - 32px), var(--max)); margin-inline: auto; }
.narrow { width: min(calc(100% - 32px), 800px); margin-inline: auto; }
.section { padding-block: clamp(64px, 9vw, 112px); }
.section-soft { background: var(--surface-alt); }
.section-line { border-top: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: clamp(32px, 5vw, 56px); }
.section-head h2, .content-prose h2, .section-lead h2 {
  margin: 0;
  font-size: clamp(2rem, 4.2vw, 3.45rem);
  font-weight: 720;
  letter-spacing: -0.045em;
  line-height: 1.02;
}
.section-head p { max-width: 65ch; margin: 16px 0 0; color: var(--muted); font-size: 1.08rem; }
.eyebrow {
  margin: 0 0 12px;
  color: var(--brand-deep);
  font-size: 0.76rem;
  font-weight: 780;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.muted { color: var(--muted); }
.note {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--muted);
  background: var(--surface);
  font-size: 0.94rem;
}
.note strong { color: var(--ink); }
.no-script-nav { display: flex; flex-wrap: wrap; gap: 12px 24px; padding-block: 16px; }
.no-script-nav a { color: var(--brand-deep); text-decoration: underline; text-underline-offset: 3px; }

/* Header */
.skip-link {
  position: fixed;
  z-index: 400;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: var(--surface);
  background: var(--brand-deep);
  transform: translateY(-160%);
  transition: transform 180ms var(--ease-out);
}
.skip-link:focus { transform: translateY(0); }
.site-header {
  position: sticky;
  z-index: var(--z-sticky);
  top: 0;
  border-bottom: 1px solid var(--line);
  background: var(--page);
}
.header-inner { display: flex; min-height: 68px; align-items: center; justify-content: space-between; gap: 16px; }
.brand-mark { display: inline-flex; min-height: 44px; flex: none; align-items: center; }
.brand-mark img { width: 128px; }
.primary-nav { display: none; align-items: center; justify-content: center; gap: clamp(18px, 2.4vw, 36px); }
.primary-nav a {
  position: relative;
  padding-block: 22px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 650;
  white-space: nowrap;
}
.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 3px;
  content: "";
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms var(--ease-out);
}
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--ink); }
.primary-nav a:hover::after, .primary-nav a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.header-actions .header-cta { display: none; }
.menu-toggle {
  display: block;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface);
}
.menu-toggle span { display: block; width: 20px; height: 2px; margin: 4px auto; background: currentColor; transition: transform 180ms var(--ease-toggle), opacity 140ms linear; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.mobile-panel { max-height: calc(100dvh - 68px); overflow-y: auto; border-top: 1px solid var(--line); background: var(--surface); }
.mobile-panel nav { display: grid; width: min(calc(100% - 32px), var(--max)); margin-inline: auto; padding: 12px 0 max(24px, env(safe-area-inset-bottom)); }
.mobile-panel a { min-height: 46px; padding: 11px 4px; border-bottom: 1px solid var(--line); font-weight: 720; }
.mobile-panel a[aria-current="page"] { color: var(--brand-deep); }
.mobile-panel .mobile-subnav { min-height: 42px; padding-left: 18px; color: var(--muted); font-size: 0.9rem; font-weight: 600; }
.mobile-panel .button { width: 100%; margin-top: 16px; border-bottom: 0; }

/* Controls */
.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 17px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 760;
  line-height: 1.25;
  text-align: center;
  transition: transform 150ms var(--ease-out), border-color 150ms var(--ease-out), background-color 150ms var(--ease-out), color 150ms var(--ease-out);
}
.button-primary { color: var(--surface); background: var(--brand-deep); }
.button-primary:hover { background: var(--brand); }
.button-secondary { color: var(--ink); border-color: var(--line-strong); background: var(--surface); }
.button-secondary:hover { color: var(--brand-deep); border-color: var(--brand); }
.button-small { min-height: 40px; padding: 8px 13px; font-size: 0.9rem; }
.button-link, .text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  color: var(--brand-deep);
  border-bottom: 1px solid currentColor;
  font-weight: 740;
}
.button:disabled { cursor: wait; opacity: 0.64; }

/* Home */
.hero { border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; gap: 32px; padding-block: clamp(48px, 7vw, 88px); }
.hero-copy { align-self: center; }
.hero h1 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(2.65rem, 11.5vw, 5.15rem);
  font-weight: 730;
  letter-spacing: -0.058em;
  line-height: 0.96;
}
.hero h1 em { color: var(--brand-deep); font-style: normal; }
.hero-copy > p:not(.eyebrow):not(.service-area) { max-width: 56ch; margin: 22px 0 0; color: var(--muted); font-size: 1.08rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-top: 28px; }
.service-area { margin: 18px 0 0; color: var(--muted); font-size: 0.88rem; font-weight: 650; }
.hero-visual { position: relative; margin: 0; overflow: hidden; border: 1px solid var(--line); background: var(--surface-alt); }
.hero-visual img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.system-caption { display: grid; gap: 2px; padding: 14px 16px; color: var(--muted); background: var(--surface); font-size: 0.82rem; }
.system-caption-title { color: var(--ink); font-weight: 780; text-transform: uppercase; letter-spacing: 0.06em; }
.system-layers { display: grid; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.system-layers li { display: grid; grid-template-columns: 34px 1fr; align-items: center; min-height: 42px; padding: 8px 14px; border-bottom: 1px solid var(--line); background: var(--surface); font-size: 0.82rem; font-weight: 700; }
.system-layers li span { color: var(--brand-deep); font-variant-numeric: tabular-nums; }
.process-band { color: var(--surface); background: var(--brand-deep); }
.process-rail { display: grid; margin: 0; padding: 0; list-style: none; }
.process-rail li { display: grid; grid-template-columns: 48px 1fr; gap: 12px; padding: 20px 0; border-bottom: 1px solid oklch(72% 0.07 278); }
.process-rail > li > span { font-size: 1.65rem; font-weight: 350; line-height: 1; font-variant-numeric: tabular-nums; }
.process-rail strong { display: block; font-size: 0.98rem; }
.process-rail p { margin: 4px 0 0; color: oklch(91% 0.02 278); font-size: 0.82rem; line-height: 1.4; }
.problem-grid, .split-panel, .preparation-layout, .form-layout { display: grid; gap: clamp(32px, 6vw, 80px); align-items: start; }
.problem-grid h2, .split-panel h2, .preparation-layout h2, .form-intro h2 {
  margin: 0;
  font-size: clamp(2rem, 4.4vw, 3.25rem);
  letter-spacing: -0.045em;
  line-height: 1.04;
}
.problem-grid > p, .split-panel > div > p, .preparation-layout > div > p, .form-intro > p { margin: 16px 0 0; color: var(--muted); font-size: 1.05rem; }
.decision-list { border-top: 1px solid var(--line-strong); }
.decision-list article { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.decision-list > article > span { color: var(--brand-deep); font-size: 0.82rem; font-weight: 780; font-variant-numeric: tabular-nums; }
.decision-list h3 { margin: 0; font-size: 1.05rem; }
.decision-list p { margin: 5px 0 0; color: var(--muted); font-size: 0.95rem; }
.technical-answer-section { padding-block: clamp(56px, 7vw, 88px); border-block: 1px solid var(--line); background: var(--surface); }
.technical-answer { display: grid; gap: 32px; }
.technical-answer-heading { display: grid; align-content: start; }
.technical-answer-index { margin-bottom: 28px; color: var(--brand-deep); font-size: 0.78rem; font-weight: 760; letter-spacing: 0.08em; font-variant-numeric: tabular-nums; }
.technical-answer h2 { max-width: 12ch; margin: 0; font-size: clamp(2.15rem, 4.4vw, 3.45rem); letter-spacing: -0.045em; line-height: 1.02; }
.technical-answer-copy { padding-top: 20px; border-top: 1px solid var(--line-strong); }
.technical-answer-copy > p { max-width: 70ch; margin: 0; color: var(--muted); font-size: 1.02rem; }
.technical-answer-copy .text-link { margin-top: 22px; }
.solution-index { border-top: 1px solid var(--line-strong); }
.solution-row { display: grid; grid-template-columns: 40px 1fr 30px; gap: 16px; align-items: center; min-height: 128px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.solution-row > span { color: var(--brand-deep); font-size: 0.82rem; font-weight: 780; }
.solution-row h3 { margin: 0; font-size: clamp(1.3rem, 3vw, 2.05rem); letter-spacing: -0.025em; }
.solution-row p { max-width: 62ch; margin: 6px 0 0; color: var(--muted); }
.solution-row b { color: var(--brand-deep); font-size: 1.4rem; font-weight: 500; transition: transform 160ms var(--ease-out); }
.applications-layout { display: grid; gap: 32px; }
.applications-copy h2 { max-width: 12ch; margin: 0; font-size: clamp(2rem, 4.5vw, 3.5rem); letter-spacing: -0.05em; line-height: 1.02; }
.applications-copy > p:not(.eyebrow) { margin: 16px 0 22px; color: var(--muted); }
.application-mosaic { display: grid; gap: 12px; }
.application-item { position: relative; min-height: 260px; overflow: hidden; background: var(--surface-alt); }
.application-item img { width: 100%; height: 100%; min-height: 260px; object-fit: cover; transition: transform 500ms var(--ease-out); }
.application-item span { position: absolute; right: 0; bottom: 0; left: 0; display: grid; gap: 2px; padding: 16px; color: var(--surface); background: oklch(24% 0.018 245 / 0.92); }
.application-item strong { font-size: 1.02rem; }
.application-item small { color: oklch(90% 0.012 245); }
.callout { display: grid; gap: 28px; align-items: center; padding: clamp(28px, 5vw, 56px); color: var(--surface); background: var(--brand-deep); }
.callout .eyebrow { color: oklch(88% 0.045 278); }
.callout h2 { max-width: 680px; margin: 0; font-size: clamp(2rem, 4.2vw, 3.15rem); letter-spacing: -0.045em; line-height: 1.04; }
.callout p { max-width: 62ch; margin: 12px 0 0; color: oklch(91% 0.018 278); }
.related-links { display: flex; flex-wrap: wrap; gap: 6px 20px; margin-top: 16px; }
.related-links a { min-height: 44px; padding-block: 10px; color: var(--surface); border-bottom: 1px solid currentColor; font-size: 0.88rem; font-weight: 720; }
.callout .button-primary { color: var(--brand-deep); background: var(--surface); }

/* Inner pages */
.page-hero { padding-block: clamp(48px, 8vw, 96px); border-bottom: 1px solid var(--line); background: var(--surface-alt); }
.crumbs { margin: 0 0 22px; color: var(--muted); font-size: 0.88rem; }
.crumbs a { color: var(--brand-deep); text-decoration: underline; text-underline-offset: 3px; }
.page-hero h1 { max-width: 920px; margin: 0; font-size: clamp(2.45rem, 7.5vw, 4.7rem); font-weight: 730; letter-spacing: -0.055em; line-height: 0.98; }
.page-hero > .container > p:last-child { max-width: 68ch; margin: 20px 0 0; color: var(--muted); font-size: 1.08rem; }
.key-list { display: grid; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-strong); }
.key-list li { display: grid; grid-template-columns: 32px 1fr; gap: 14px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.key-list-plain li { grid-template-columns: 1fr; }
.key-list span { display: grid; width: 26px; height: 26px; place-items: center; border: 1px solid var(--brand); border-radius: 50%; color: var(--brand-deep); font-size: 0.76rem; font-weight: 800; }
.key-list strong { display: block; margin-bottom: 3px; }
.key-list p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.timeline { display: grid; border-top: 1px solid var(--line-strong); }
.timeline-step { position: relative; padding: 24px 0; border-bottom: 1px solid var(--line); }
.timeline-step::before { display: grid; width: 30px; height: 30px; margin-bottom: 16px; content: attr(data-step); place-items: center; border: 1px solid var(--brand); border-radius: 50%; color: var(--brand-deep); font-size: 0.76rem; font-weight: 800; }
.timeline-step h2, .timeline-step h3 { margin: 0; font-size: 1.12rem; }
.timeline-step p { margin: 9px 0 0; color: var(--muted); font-size: 0.92rem; }
.macro-grid { display: grid; gap: 12px; }
.macro-card { display: flex; min-height: 220px; flex-direction: column; justify-content: space-between; padding: 24px; border: 1px solid var(--line); background: var(--surface); }
.macro-card:first-child { color: var(--surface); border-color: var(--brand-deep); background: var(--brand-deep); }
.macro-card:first-child p, .macro-card:first-child .card-label, .macro-card:first-child .button-link { color: var(--surface); }
.card-label { display: block; margin-bottom: 32px; color: var(--brand-deep); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.macro-card h3 { margin: 0; font-size: 1.5rem; letter-spacing: -0.03em; line-height: 1.08; }
.macro-card p { margin: 10px 0 0; color: var(--muted); font-size: 0.94rem; }
.macro-card .button-link { align-self: flex-start; margin-top: 24px; }
.sector-map { display: grid; gap: 20px; }
.sector-zone { display: grid; gap: 28px; padding: clamp(24px, 4vw, 46px); border: 1px solid var(--line); background: var(--surface); }
.sector-zone-hygiene { background: oklch(95.5% 0.013 278); }
.sector-zone-service { background: oklch(95.5% 0.016 75); }
.sector-zone h2 { margin: 0; font-size: clamp(1.9rem, 3.5vw, 2.8rem); letter-spacing: -0.045em; line-height: 1.03; }
.sector-zone-title p { max-width: 40ch; margin: 14px 0 0; color: var(--muted); }
.sector-lines { margin: 0; border-top: 1px solid var(--line-strong); }
.sector-lines > div { display: grid; gap: 6px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.sector-lines dt { font-weight: 800; }
.sector-lines dt a { color: var(--brand-deep); text-decoration: underline; text-underline-offset: 3px; }
.sector-lines dd { margin: 0; color: var(--muted); font-size: 0.95rem; }
.sector-grid, .tech-columns { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 12px; }
.sector-card, .tech-columns > article { padding: 24px; border-top: 3px solid var(--brand); background: var(--surface); }
.sector-card h3, .tech-columns h3 { margin: 0; font-size: 1.15rem; }
.sector-card p, .tech-columns p { margin: 9px 0 0; color: var(--muted); font-size: 0.94rem; }
.layer-diagram, .preparation-board { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-strong); }
.layer-diagram li, .preparation-board li { display: grid; gap: 5px; padding: 16px; border-bottom: 1px solid var(--line); background: var(--surface); }
.layer-diagram li:nth-child(odd) { background: var(--brand-pale); }
.layer-diagram strong, .preparation-board strong { font-size: 0.95rem; }
.layer-diagram span, .preparation-board span { color: var(--muted); font-size: 0.92rem; }
.process-image { margin: 0; overflow: hidden; background: var(--surface-alt); }
.process-image img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.process-image figcaption { padding: 12px 14px; color: var(--muted); font-size: 0.86rem; }
.gallery-grid { display: grid; gap: 12px; }
.gallery-card { margin: 0; overflow: hidden; border: 1px solid var(--line); background: var(--surface); }
.gallery-card img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.gallery-card figcaption { padding: 18px; }
.gallery-card strong { font-size: 1.08rem; }
.gallery-card p { margin: 6px 0 0; color: var(--muted); font-size: 0.92rem; }

/* Forms */
.form-intro { position: sticky; top: 104px; }
.contact-facts { display: grid; margin: 28px 0 0; border-top: 1px solid var(--line); }
.contact-facts-compact { margin-top: 0; }
.note-spaced { margin-top: 24px; }
.contact-facts dt { padding: 14px 0 3px; color: var(--muted); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.contact-facts dd { margin: 0; padding: 0 0 14px; border-bottom: 1px solid var(--line); font-weight: 720; }
.contact-facts a { color: var(--brand-deep); text-decoration: underline; text-underline-offset: 3px; }
.form-card { padding: clamp(22px, 4vw, 42px); border: 1px solid var(--line); background: var(--surface); }
.form-card > h2 { margin: 0 0 28px; font-size: 1.65rem; letter-spacing: -0.03em; }
.form-card fieldset { min-width: 0; border: 0 !important; padding: 0 !important; margin: 0 0 32px !important; }
.form-card legend { width: 100%; margin-bottom: 18px; padding: 0 0 10px; border-bottom: 1px solid var(--line-strong); font-size: 1rem; }
.form-grid { display: grid; gap: 0 16px; }
.field { min-width: 0; margin-bottom: 18px; }
.field.full { grid-column: 1 / -1; }
.field label { display: block; margin-bottom: 7px; color: var(--ink); font-size: 0.9rem; font-weight: 740; }
.required { color: var(--danger); }
.field input, .field select, .field textarea {
  display: block;
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface);
  line-height: 1.35;
}
.field textarea { min-height: 132px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: oklch(48% 0.014 245); }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--brand); outline: 3px solid oklch(57% 0.16 278 / 0.2); }
.field-help, .field-error { display: block; margin-top: 6px; color: var(--muted); font-size: 0.82rem; }
.field-error { color: var(--danger); font-weight: 700; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--danger); background: var(--danger-pale); }
.checkbox-field { display: grid; grid-template-columns: 22px 1fr; gap: 10px; align-items: start; }
.checkbox-field input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--brand-deep); }
.checkbox-field label { color: var(--muted); font-size: 0.9rem; }
.checkbox-field a { color: var(--brand-deep); text-decoration: underline; text-underline-offset: 3px; }
.checkbox-field .field-error { grid-column: 2; }
.form-error-summary { margin-bottom: 24px; padding: 16px; border: 1px solid var(--danger); background: var(--danger-pale); }
.form-error-summary p { margin: 4px 0 0; color: var(--muted); }
.form-status { display: none; margin-top: 16px; padding: 14px 16px; border: 1px solid var(--line); }
.form-status.show { display: block; }
.form-status.success { color: var(--success); border-color: var(--success); background: var(--success-pale); }
.form-status.error { color: var(--danger); border-color: var(--danger); background: var(--danger-pale); }
.hp-field { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Legal and footer */
.content-prose { max-width: 800px; }
.content-prose h2 { margin-top: 48px; font-size: clamp(1.55rem, 3vw, 2.3rem); }
.content-prose h3 { margin: 30px 0 8px; font-size: 1.18rem; }
.content-prose p, .content-prose li { color: var(--muted); }
.content-prose ul { padding-left: 22px; }
.content-prose a { color: var(--brand-deep); text-decoration: underline; text-underline-offset: 3px; }
.legal-update { margin-top: 20px; color: var(--muted); font-size: 0.88rem; }
.site-footer { border-top: 1px solid var(--line); background: var(--surface-alt); }
.footer-grid { display: grid; gap: 32px; padding-block: 52px 36px; }
.footer-logo { width: 154px; margin-bottom: 16px; }
.site-footer p { max-width: 46ch; margin: 0; color: var(--muted); font-size: 0.92rem; }
.footer-title { margin: 0 0 12px; font-size: 0.78rem; font-weight: 820; letter-spacing: 0.11em; text-transform: uppercase; }
.footer-links { display: grid; gap: 2px; }
.footer-links a, .footer-links span { min-height: 44px; padding-block: 10px; color: var(--muted); font-size: 0.92rem; }
.footer-links a:hover { color: var(--brand-deep); text-decoration: underline; text-underline-offset: 3px; }
.footer-facts span { height: auto; }
.footer-bottom { display: flex; align-items: flex-start; flex-direction: column; gap: 14px; padding-block: 20px max(26px, env(safe-area-inset-bottom)); border-top: 1px solid var(--line); color: var(--muted); font-size: 0.82rem; }
.footer-legal-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.footer-legal-links a { min-height: 44px; padding-block: 11px; color: var(--brand-deep); text-decoration: underline; text-underline-offset: 3px; }
.developer-credit {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 5px;
  padding: 9px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--muted);
  background: var(--surface);
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  transition: color 150ms var(--ease-out), border-color 150ms var(--ease-out), transform 150ms var(--ease-out);
}
.developer-credit strong { color: var(--ink); font-weight: 780; }
.developer-credit:hover { color: var(--brand-deep); border-color: var(--brand); }
.developer-credit:hover strong { color: var(--brand-deep); }

@media (hover: hover) {
  .button:hover { transform: translateY(-2px); }
  .developer-credit:hover { transform: translateY(-2px); }
  .solution-row:hover b { transform: translateX(6px); }
  .application-item:hover img { transform: scale(1.025); }
}

@media (min-width: 640px) {
  .container, .narrow { width: min(calc(100% - 48px), var(--max)); }
  .hero-actions .button { width: auto; }
  .process-rail { grid-template-columns: repeat(2, 1fr); }
  .process-rail li { padding-inline: 20px; border-right: 1px solid oklch(72% 0.07 278); }
  .process-rail li:last-child { grid-column: 1 / -1; }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .timeline-step { padding: 24px; border-right: 1px solid var(--line); }
  .macro-grid { grid-template-columns: repeat(2, 1fr); }
  .macro-card:first-child { grid-column: 1 / -1; }
  .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-card:first-child { grid-column: 1 / -1; }
  .layer-diagram li, .preparation-board li { grid-template-columns: minmax(150px, 0.72fr) minmax(0, 1.28fr); gap: 20px; }
  .footer-grid { grid-template-columns: 1.3fr 0.8fr 1fr; }
  .footer-bottom { align-items: center; justify-content: space-between; flex-direction: row; }
}

@media (min-width: 760px) {
  .problem-grid, .split-panel, .preparation-layout { grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr); }
  .applications-layout { grid-template-columns: minmax(220px, 0.58fr) minmax(0, 1.42fr); align-items: start; }
  .applications-copy { position: sticky; top: 112px; }
  .application-mosaic { grid-template-columns: 1.35fr 0.85fr; }
  .application-item-wide { grid-row: span 2; min-height: 532px; }
  .application-item-wide img { min-height: 532px; }
  .callout { grid-template-columns: minmax(0, 1fr) auto; }
  .callout .button { justify-self: end; }
  .sector-zone { grid-template-columns: minmax(230px, 0.72fr) minmax(0, 1.28fr); }
  .sector-lines > div { grid-template-columns: minmax(160px, 0.7fr) minmax(0, 1.3fr); gap: 20px; }
  .form-layout { grid-template-columns: minmax(240px, 0.68fr) minmax(0, 1.32fr); }
  .technical-answer { grid-template-columns: minmax(240px, 0.78fr) minmax(0, 1.22fr); gap: clamp(48px, 7vw, 96px); }
}

@media (min-width: 860px) {
  .header-inner { min-height: 76px; }
  .brand-mark img { width: 144px; }
  .primary-nav { display: flex; }
  .menu-toggle { display: none; }
  .mobile-panel { display: none !important; }
  .header-actions .header-cta { display: inline-flex; }
  .hero-grid { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(40px, 5vw, 76px); align-items: center; }
  .hero-visual img { min-height: 500px; }
  .system-caption { position: absolute; right: 20px; bottom: 20px; left: 20px; max-width: 54%; color: oklch(88% 0.012 245); background: oklch(24% 0.018 245 / 0.94); }
  .system-caption-title { color: var(--surface); }
  .system-layers { position: absolute; top: 20px; right: 20px; width: min(44%, 300px); border: 1px solid var(--line); }
  .system-layers li { background: oklch(99% 0.004 270 / 0.94); }
  .process-rail { grid-template-columns: repeat(5, 1fr); }
  .process-rail li, .process-rail li:last-child { grid-column: auto; min-height: 126px; padding: 24px 18px; border-bottom: 0; }
  .process-rail li:first-child { padding-left: 0; }
  .process-rail li:last-child { padding-right: 0; border-right: 0; }
  .timeline { grid-template-columns: repeat(4, 1fr); }
  .macro-grid { grid-template-columns: 1.35fr 1fr 1fr; }
  .macro-card:first-child { grid-column: auto; grid-row: span 2; }
  .gallery-grid { grid-template-columns: 1.2fr 0.8fr; }
  .gallery-card:first-child { grid-column: auto; grid-row: span 2; }
  .gallery-card:first-child img { height: 100%; min-height: 560px; }
}

@media (min-width: 1100px) {
  .timeline { grid-template-columns: repeat(7, 1fr); }
  .timeline-step { min-height: 270px; padding: 26px 18px; }
}

@media (max-width: 639px) {
  .hero-actions { display: grid; }
  .hero-actions .button, .hero-actions .text-link { width: 100%; justify-content: center; }
  .form-intro, .applications-copy { position: static; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}