/* Hallmark · shape: Conversational FAQ · genre: modern-minimal · theme: Blueprint, custom graphite revision · job: hire · draw: 738919
 * hero: Stage · nav: edge-aligned · footer: statement · imagery: supplied industrial photographs, full-color industrial imagery · signature: the workshop floor leads to a human contact portrait · blueprint: graphite, brand: HelpSell (spec 2026-11-06)
 * axes: graphite/soft-grotesk/technical · posture: precision · contrast: checked · fold: pass · motion: mouse, touch, reduced-motion and no-script checked · finish-review: in-thread, ship · v2.0.0 */
/* Hallmark · revision: Manrope replaces angular titles; graphite grid, material layers, scroll reveals and measured hover depth follow the explicit user request. */
/* Hallmark · waived 11, F8 · image hover and two functional progress indicators follow the explicit request for scrolling/hover effects; reduced-motion and touch fallbacks verified. */
/* Hallmark · dismissed 23 · the category accent is a measured 2px rule, not a viewport-scale fill; dismissed 58 · 84 words at the process/FAQ boundary fit the approximate 80-word budget. */
@import url("./tokens.css");
@import url("./base.css");

@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("./fonts/ibm-plex-sans-400.ttf") format("truetype"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 500; font-display: swap; src: url("./fonts/ibm-plex-sans-500.ttf") format("truetype"); }

:root { --header-height: 88px; }
body { font-synthesis: none; }
h1, h2 { text-transform: uppercase; line-height: 1.04; }
a { transition: color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out); }
a:hover { color: var(--color-accent); }
a:active { opacity: 0.75; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 5px; }
.skip-link { position: absolute; top: var(--space-md); left: var(--space-md); z-index: var(--z-toast); padding: var(--space-sm) var(--space-lg); background: var(--color-ink); color: var(--color-paper); transform: translateY(-200%); }
.skip-link:focus-visible { transform: none; color: var(--color-paper); }
.site-header { border-bottom: var(--rule-hair) solid var(--color-rule); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); min-height: var(--header-height); }
.brand { display: block; flex-shrink: 0; width: 216px; }
.brand img { width: 100%; height: auto; }
.main-nav { display: flex; align-items: center; gap: var(--space-xl); }
.main-nav a { display: inline-flex; align-items: center; min-height: 48px; font-size: var(--text-sm); font-weight: 500; white-space: nowrap; text-decoration: none; }
.main-nav .nav-contact { padding-inline: var(--space-lg); border: var(--rule-hair) solid var(--color-ink); }
.nav-contact:hover { background: var(--color-paper-3); }
.contact-label-short { display: none; }
.hero { min-height: calc(100svh - var(--header-height)); padding-block: var(--space-2xl); }
.intro-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.04fr); align-items: center; gap: var(--gap-intro); }
.intro-copy { padding-block: var(--space-lg); }
.hero h1 { max-width: 12ch; padding-top: var(--space-lg); border-top: var(--rule-heavy) solid var(--color-ink); }
.hero .lead { max-width: 36ch; margin-top: var(--space-lg); color: var(--color-ink-2); }
.intro-actions { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-lg); margin-top: var(--space-xl); }
.button { display: inline-flex; justify-content: center; align-items: center; gap: var(--space-md); min-height: 52px; padding: var(--space-sm) var(--space-lg); border: var(--rule-hair) solid var(--color-accent); border-radius: var(--radius-pill); background: var(--color-accent); color: var(--color-accent-ink); font-size: var(--text-md); font-weight: 500; line-height: 1.4; text-decoration: none; white-space: nowrap; }
.button:hover { background: var(--color-accent-hi); color: var(--color-accent-ink); }
.button:active { transform: translateY(1px); opacity: 1; }
.button:disabled, .button[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; transform: none; }
.button[aria-busy="true"] { cursor: progress; }
.text-link { display: inline-flex; align-items: center; min-height: 48px; font-size: var(--text-sm); font-weight: 500; white-space: nowrap; }
.intro-figure { margin: 0; min-width: 0; }
.intro-photo { height: clamp(480px, calc(100svh - 260px), 660px); }
.photo { margin: 0; }
[data-slot]:has(> img) { background: var(--color-photo-light); outline: var(--rule-hair) solid var(--color-rule); outline-offset: -1px; }
[data-slot] > img { filter: grayscale(1) contrast(1.15); mix-blend-mode: multiply; }
[data-slot]:has(> img)::before { background: var(--color-photo-shadow); }
.photo::after { content: ""; position: absolute; inset: var(--space-xs); z-index: 2; border: var(--rule-hair) solid var(--color-paper-3); pointer-events: none; }
.intro-photo img { object-position: 48% 50%; }
.intro-figure figcaption { display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-xs); margin-top: var(--space-sm); font-size: var(--text-sm); color: var(--color-technical-ink); }
.intro-figure figcaption span:last-child { color: var(--color-technical-muted); }
@media (min-width: 90rem) { .hero { display: flex; align-items: center; } }
@media (max-width: 75rem) { .intro-grid { gap: var(--space-xl); } .main-nav { gap: var(--space-lg); } }
@media (max-width: 60rem) {
  :root { --header-height: 76px; }
  .hero { min-height: 0; padding-block: var(--space-xl) var(--space-2xl); }
  .intro-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-lg); }
  .hero h1 { font-size: clamp(2.5rem, 5.5vw, 4rem); }
  .intro-actions { flex-direction: column; align-items: flex-start; gap: var(--space-xs); margin-top: var(--space-lg); }
  .intro-photo { height: 480px; }
  .brand { width: 184px; }
}
@media (max-width: 45rem) {
  .main-nav .nav-contact { padding-inline: var(--space-md); font-size: var(--text-sm); }
  .nav-contact .contact-label-long { display: none; }
  .nav-contact .contact-label-short { display: inline; }
  .main-nav .nav-section { display: none; }
  .main-nav .nav-contact { min-height: 44px; padding-inline: var(--space-md); }
  .intro-grid { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .hero h1 { font-size: clamp(2.65rem, 9.3vw, 4.6rem); max-width: 13ch; }
  .intro-copy { padding-block: 0; }
  .hero .lead { max-width: 36ch; }
  .intro-actions { flex-direction: row; align-items: center; gap: var(--space-md); }
  .intro-photo { height: 380px; }
  .intro-figure figcaption { font-size: var(--text-xs); }
}
@media (prefers-reduced-motion: reduce) { a { transition: none; } .button:active { transform: none; } }

.proposition { padding-block: var(--section-gap-s) var(--section-gap); border-top: var(--rule-hair) solid var(--color-rule); }
.section-opening { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: end; gap: var(--gap-columns); margin-bottom: var(--space-2xl); }
.section-opening h2 { max-width: 17ch; }
.value-statement { font-family: var(--font-display); font-size: var(--text-display-s); font-weight: 600; line-height: 1.08; letter-spacing: var(--tracking-display); max-width: 22ch; }
.value-register { margin: 0; border-top: var(--rule-heavy) solid var(--color-ink); }
.value-register > div { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: var(--gap-columns); min-height: 100px; padding-block: var(--space-lg); border-bottom: var(--rule-hair) solid var(--color-rule); }
dt { font-weight: 500; }
.value-register dt { font-size: var(--text-title); }
dd { margin: 0; color: var(--color-muted); }
.value-register dd { max-width: 52ch; }
.equipment { padding-block: var(--section-gap-s); background: var(--color-paper-2); color: var(--color-ink); }
.equipment-opening h2 { max-width: 21ch; }
.equipment-opening .lead { max-width: 39ch; color: var(--color-ink-2); }
.equipment-layout { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); gap: var(--gap-columns); align-items: stretch; }
.equipment-photo { min-height: 440px; }
.equipment-photo img { object-position: 55% 50%; }
.equipment-list { display: flex; flex-direction: column; justify-content: center; margin: 0; padding-left: var(--space-lg); }
.equipment-list > div { padding-block: var(--space-xl); border-top: var(--rule-hair) solid var(--color-rule); }
.equipment-list > div:last-child { border-bottom: var(--rule-hair) solid var(--color-rule); }
.equipment-list dt { margin-bottom: var(--space-sm); font-size: var(--text-title); line-height: 1.2; }
.process { padding-block: var(--section-gap-s); background: var(--color-field); color: var(--color-field-ink); }
.process-opening { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: end; gap: var(--gap-columns); margin-bottom: var(--space-2xl); }
.process-opening .lead { max-width: 34ch; color: var(--color-field-muted); }
.process-register { list-style: none; margin: 0; padding: 0; border-top: var(--rule-heavy) solid var(--color-field-ink); }
.process-register li { display: grid; grid-template-columns: 80px minmax(0, 1fr) minmax(0, 1.25fr); align-items: center; gap: var(--gap-columns); padding-block: var(--space-xl); border-bottom: var(--rule-hair) solid var(--color-field-rule); }
.process-number { font-family: var(--font-display); font-size: var(--text-3xl); font-weight: 600; font-variant-numeric: tabular-nums; line-height: 1; }
.process-register p { max-width: 52ch; color: var(--color-field-muted); }
.questions { padding-block: var(--section-gap-l); }
.questions-layout { display: grid; grid-template-columns: minmax(0, 0.68fr) minmax(0, 1fr); gap: var(--gap-columns); }
.questions h2 { max-width: 12ch; }
.questions-list { border-top: var(--rule-heavy) solid var(--color-ink); }
.questions-list details { border-bottom: var(--rule-hair) solid var(--color-rule); }
.questions-list summary { display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); min-height: 88px; padding-block: var(--space-lg); list-style: none; cursor: pointer; font-size: var(--text-lead); font-weight: 500; line-height: 1.35; }
.questions-list summary::-webkit-details-marker { display: none; }
.questions-list summary::marker { content: ""; }
.questions-list summary:hover { color: var(--color-accent); }
.questions-list summary:active { opacity: 0.75; }
.questions-list summary svg { flex-shrink: 0; }
.questions-list details[open] summary svg { transform: rotate(45deg); }
.questions-list details p { max-width: 60ch; padding-bottom: var(--space-lg); padding-right: var(--space-xl); color: var(--color-muted); }
.contact { padding-block: var(--section-gap-s); background: var(--color-paper-3); color: var(--color-ink); }
.contact-opening { grid-area: opening; min-width: 0; }
.contact-opening .lead { color: var(--color-ink-2); max-width: 34ch; }
.contact-details { grid-area: details; display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-lg); min-width: 0; font-style: normal; }
.contact-channel { display: flex; flex-direction: column; align-items: flex-start; padding-block: var(--space-lg); border-top: var(--rule-heavy) solid var(--color-ink); }
.channel-label { font-size: var(--text-sm); color: var(--color-ink-2); }
.contact-value { max-width: 100%; margin-block: var(--space-md); padding-block: var(--space-xs); font-size: clamp(1.4rem, 2.5vw, 2.25rem); font-weight: 500; line-height: 1.2; letter-spacing: -0.025em; white-space: nowrap; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
.channel-note { min-height: 1lh; font-size: var(--text-sm); color: var(--color-muted); }
.site-footer { padding-block: var(--space-3xl) var(--space-xl); }
.footer-statement { max-width: 20ch; font-family: var(--font-display); font-size: var(--text-display-s); font-weight: 600; line-height: 1.04; letter-spacing: var(--tracking-display); text-transform: uppercase; }
.footer-bottom { display: flex; align-items: center; gap: var(--gap-columns); margin-top: var(--space-2xl); padding-top: var(--space-xl); border-top: var(--rule-hair) solid var(--color-rule); }
.footer-brand { width: 168px; }
.footer-bottom p { margin-right: auto; font-size: var(--text-sm); color: var(--color-muted); }
.footer-bottom .text-link { font-weight: 400; }
.swiss-mark { flex-shrink: 0; color: var(--color-swiss); }
.swiss-cross { fill: var(--color-flag-ink); }
@media (max-width: 75rem) { .equipment-list { padding-left: 0; } .process-register li { grid-template-columns: 64px minmax(0, 1fr) minmax(0, 1.1fr); } }
@media (max-width: 60rem) {
  .section-opening { align-items: start; }
  .equipment-layout { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); }
  .equipment-list > div { padding-block: var(--space-lg); }
  .equipment-list dt { font-size: var(--text-lg); }
  .process-register li { grid-template-columns: 48px minmax(0, 1fr) minmax(0, 1.1fr); }
  .questions-layout { grid-template-columns: minmax(0, 0.65fr) minmax(0, 1fr); }
  .footer-bottom { flex-wrap: wrap; gap: var(--space-lg); }
  .footer-bottom p { flex-basis: calc(100% - 220px); }
  .swiss-mark { margin-left: auto; }
}
@media (max-width: 45rem) {
  .section-opening, .process-opening, .questions-layout { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .value-statement { font-size: var(--text-section); }
  .section-opening { margin-bottom: var(--space-xl); }
  .value-register > div { grid-template-columns: minmax(0, 1fr); gap: var(--space-sm); padding-block: var(--space-lg); }
  .value-register dt { font-size: var(--text-lg); }
  .equipment-layout { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .equipment-photo { min-height: 340px; }
  .equipment-list > div { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-xs); }
  .equipment-list dt { margin-bottom: 0; }
  .process-opening { margin-bottom: var(--space-xl); }
  .process-register li { grid-template-columns: 48px minmax(0, 1fr); gap: var(--space-md); padding-block: var(--space-lg); }
  .process-register p { grid-column: 2; }
  .questions-list summary { min-height: 88px; font-size: var(--text-md); }
  .questions-list details p { padding-right: var(--space-lg); }
  .contact-details { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .contact-value { font-size: clamp(1.35rem, 6.8vw, 2.1rem); }
  .footer-bottom { gap: var(--space-lg); margin-top: var(--space-xl); }
  .footer-bottom p { flex-basis: 100%; order: 3; }
  .footer-bottom .text-link { font-size: var(--text-xs); margin-left: auto; }
  .footer-brand { width: 136px; }
  .swiss-mark { margin-left: 0; }
}

/* HelpSell — graphite, steel and engineering grids. Existing layout rules above
   remain the baseline; this revision changes its visual system and choreography. */
@font-face { font-family: "Manrope"; font-style: normal; font-weight: 200 800; font-display: swap; src: url("./fonts/manrope-variable.ttf") format("truetype"); }
:root { --header-height: 88px; }
.header-inner { min-height: calc(var(--header-height) - 1px); }
html { scroll-padding-top: calc(var(--header-height) + var(--space-lg)); }
body { background: var(--color-paper); color: var(--color-steel-ink); }
h1, h2, .footer-statement { text-transform: none; line-height: 1.08; }
h2 { font-size: clamp(2.35rem, 3.8vw, 3.65rem); }
a { transition: color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out); }
.site-header { position: sticky; top: 0; z-index: var(--z-sticky-nav); background: var(--color-header); border-color: var(--color-rule-2);  }
.brand { width: 202px; }
.main-nav { gap: var(--space-xl); }
.main-nav a { position: relative; }
.main-nav .nav-section::after { content: ""; position: absolute; bottom: 9px; left: 0; right: 0; height: 1px; background: var(--color-accent); transform: scaleX(0); transform-origin: left; transition: transform var(--dur-short) var(--ease-out); }
.main-nav .nav-section:hover::after, .main-nav .nav-section:focus-visible::after { transform: scaleX(1); }
.main-nav .nav-contact { color: var(--color-accent); border-color: var(--color-rule); border-radius: 3px; }
.main-nav .nav-contact:hover { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-accent-ink); }
.reading-progress { position: absolute; inset: auto 0 0; height: 2px; z-index: var(--z-raised); background: var(--color-accent); transform: scaleX(0); transform-origin: left; pointer-events: none; }
.hero { position: relative; display: flex; align-items: center; isolation: isolate; min-height: min(850px, calc(100svh - var(--header-height))); padding-block: var(--space-2xl) 72px; background: linear-gradient(115deg, var(--color-technical), var(--color-technical-2)); color: var(--color-technical-ink); }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(var(--color-technical-grid) 1px, var(--color-transparent) 1px), linear-gradient(90deg, var(--color-technical-grid) 1px, var(--color-transparent) 1px); background-size: 64px 64px; mask-image: linear-gradient(115deg, var(--color-ink), var(--color-transparent) 80%); }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(112deg, var(--color-transparent) 0 59%, var(--color-technical-grid-strong) 59% 59.1%, var(--color-transparent) 59.1% 82%, var(--color-technical-grid) 82%); }
.industrial-mesh { position: absolute; inset: auto 0 0; height: 125px; overflow: clip; z-index: -1; mask-image: linear-gradient(var(--color-transparent), var(--color-ink)); }
.industrial-mesh::before { content: ""; position: absolute; inset: -100% -20% -60%; background-image: linear-gradient(var(--color-technical-grid-strong) 1px, var(--color-transparent) 1px), linear-gradient(90deg, var(--color-technical-grid-strong) 1px, var(--color-transparent) 1px); background-size: 64px 48px; transform: perspective(340px) rotateX(55deg); }
.industrial-mesh span { position: absolute; bottom: 24px; width: 24px; height: 24px; border-bottom: 1px solid var(--color-technical-rule); border-left: 1px solid var(--color-technical-rule); }
.industrial-mesh span:first-child { left: max(var(--gutter), calc((100% - var(--container)) / 2 + var(--gutter))); }
.industrial-mesh span:last-child { right: max(var(--gutter), calc((100% - var(--container)) / 2 + var(--gutter))); transform: rotate(-90deg); }
.intro-grid { grid-template-columns: minmax(0, 0.96fr) minmax(0, 1.04fr); gap: var(--gap-intro); align-items: center; }
.intro-copy { position: relative; z-index: 2; padding-block: var(--space-lg); }
.hero h1 { max-width: 13ch; margin: 0; padding: 0; border: 0; font-size: clamp(3.45rem, 5.7vw, 5.5rem); font-weight: var(--display-weight); letter-spacing: -0.055em; line-height: 1.07; }
.hero .lead { color: var(--color-technical-muted); margin-top: var(--space-lg); max-width: 33ch; font-size: var(--text-lead); }
.intro-actions { gap: var(--space-lg); margin-top: var(--space-xl); }
.hero .text-link { color: var(--color-technical-ink); text-decoration-color: var(--color-technical-rule); text-underline-offset: 0.4em; }
.hero .text-link:hover { color: var(--color-electric); text-decoration-color: var(--color-electric); }
.hero a:focus-visible, .process a:focus-visible, .contact a:focus-visible { outline-color: var(--color-electric); }
.button { position: relative; overflow: clip; justify-content: space-between; min-height: 52px; gap: var(--space-lg); border-color: var(--color-button-hover); border-radius: 3px; box-shadow: 0 8px 24px var(--color-shadow); transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out); }
.button::after { content: ""; position: absolute; inset: -60% 0; background: linear-gradient(100deg, var(--color-transparent) 30%, var(--color-glass) 50%, var(--color-transparent) 70%); transform: translateX(-120%); pointer-events: none; transition: transform var(--dur-surface) var(--ease-out); }
.button:hover, .button:focus-visible { color: var(--color-accent-ink); background: var(--color-button-hover); border-color: var(--color-electric); transform: translateY(-2px); }
.button:hover::after, .button:focus-visible::after { transform: translateX(120%); }
.action-icon { flex-shrink: 0; transition: transform var(--dur-short) var(--ease-out); }
.button:hover .action-icon, .button:focus-visible .action-icon { transform: translateX(3px); }
.button:active { transform: translateY(1px); }
.intro-figure { position: relative; transform: perspective(1300px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg)); transition: transform var(--dur-surface) var(--ease-out); }
.intro-frame { position: relative; padding: var(--space-sm); border: 1px solid var(--color-technical-rule); background: linear-gradient(135deg, var(--color-technical-3), var(--color-technical));  }
.intro-frame::before, .intro-frame::after { content: ""; position: absolute; z-index: 3; width: 40px; height: 40px; pointer-events: none; }
.intro-frame::before { inset: -1px auto auto -1px; border-top: 2px solid var(--color-electric); border-left: 2px solid var(--color-electric); }
.intro-frame::after { inset: auto -1px -1px auto; border-bottom: 2px solid var(--color-electric); border-right: 2px solid var(--color-electric); }
.intro-photo { height: clamp(420px, calc(100svh - 320px), 550px); }
[data-slot]:has(> img) { background: var(--color-technical-2); outline: none; }
[data-slot] > img { filter: saturate(0.8) contrast(1.06); mix-blend-mode: normal; transform: scale(1.015); transition: transform var(--dur-surface) var(--ease-out); }
[data-slot]:has(> img)::before { background: linear-gradient(0deg, var(--color-shadow-heavy), var(--color-transparent) 45%); mix-blend-mode: normal; }
.photo::after { inset: 0; border: 0; background: radial-gradient(ellipse at var(--pointer-x, 50%) var(--pointer-y, 50%), var(--color-glare), var(--color-glass-clear) 65%); opacity: 0; transition: opacity var(--dur-surface) var(--ease-out); }
.intro-photo img { object-position: 48% 50%; }
.intro-figure figcaption { position: relative; z-index: 2; display: block; max-width: 90%; margin: calc(-1 * var(--space-xl)) var(--sheet-inset) 0 auto; padding: var(--sheet-inset) var(--space-lg); background: var(--color-technical-2); border: 1px solid var(--color-technical-rule);  color: var(--color-technical-ink); font-size: var(--text-sm); }
.intro-figure figcaption span { display: block; }
.intro-figure figcaption span:first-child { font-size: var(--text-md); font-weight: 500; }
.intro-figure figcaption span:last-child { margin-top: var(--space-2xs); color: var(--color-technical-muted); }
.proposition, .equipment, .questions, .contact, .site-footer { position: relative; isolation: isolate; }
.proposition { padding-block: var(--section-gap); border: 0; background: var(--color-paper); }
.proposition::before, .questions::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background-image: linear-gradient(90deg, var(--color-grid-light) 1px, var(--color-transparent) 1px); background-size: 128px 100%; }
.proposition::after { content: ""; position: absolute; top: 0; right: 0; width: 24%; height: 100%; z-index: -1; background: repeating-linear-gradient(135deg, var(--color-grid-light) 0 1px, var(--color-transparent) 1px 12px); mask-image: linear-gradient(90deg, var(--color-transparent), var(--color-ink)); }
.proposition-layout { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: var(--gap-columns); align-items: start; }
.proposition-copy { position: sticky; top: calc(var(--header-height) + var(--space-2xl)); }
.proposition-copy h2 { max-width: 14ch; }
.value-statement { max-width: 25ch; margin-top: var(--space-xl); font-family: var(--font-body); font-size: var(--text-lead); font-weight: 400; letter-spacing: 0; line-height: 1.5; color: var(--color-muted); }
.value-register { border: 0; }
.value-register > div { position: relative; display: block; min-height: 160px; padding: var(--space-xl) var(--space-lg) var(--space-xl) 0; border-top: 1px solid var(--color-rule); border-bottom: 0; transition: translate var(--dur-short) var(--ease-out); }
.value-register > div:first-child { border-top: 2px solid var(--color-accent); }
.value-register > div:last-child { border-bottom: 1px solid var(--color-rule); }
.value-register dt { display: flex; align-items: center; gap: var(--space-lg); font-family: var(--font-display); font-size: var(--text-title); font-weight: var(--display-weight); letter-spacing: -0.03em; }
.value-icon { flex-shrink: 0; color: var(--color-accent); }
.value-register dd { margin-top: var(--space-md); margin-left: 56px; max-width: 43ch; }
.equipment { padding-block: var(--section-gap-s); background: var(--color-steel); }
.equipment::before { content: ""; position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(var(--color-grid-light) 1px, var(--color-transparent) 1px), linear-gradient(90deg, var(--color-grid-light) 1px, var(--color-transparent) 1px); background-size: 32px 32px; mask-image: linear-gradient(110deg, var(--color-transparent), var(--color-ink)); }
.section-opening { align-items: end; margin-bottom: var(--space-2xl); }
.section-opening .lead { max-width: 36ch; color: var(--color-muted); }
.equipment-layout { gap: var(--gap-columns); grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); align-items: stretch; }
.equipment-photo { position: relative; min-height: 460px; border: 10px solid var(--color-surface); box-shadow: 0 24px 48px var(--color-shadow); }
.equipment-photo::after { inset: var(--space-md); background: none; border-top: 1px solid var(--color-glass); border-left: 1px solid var(--color-glass); opacity: 1; }
.equipment-list { padding-left: 0; }
.equipment-list > div { position: relative; padding: 28px var(--space-lg); border-top-color: var(--color-rule); background: linear-gradient(90deg, var(--color-surface), var(--color-transparent)); transition: transform var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out); }
.equipment-list > div::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 2px; background: var(--color-accent); transform: scaleY(0); transform-origin: top; transition: transform var(--dur-short) var(--ease-out); }
.equipment-list dt { font-family: var(--font-display); font-weight: var(--display-weight); letter-spacing: -0.035em; }
.process { position: relative; isolation: isolate; padding-block: var(--section-gap); background: var(--color-technical); color: var(--color-technical-ink); }
.process::before { content: ""; position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(var(--color-technical-grid) 1px, var(--color-transparent) 1px), linear-gradient(90deg, var(--color-technical-grid) 1px, var(--color-transparent) 1px); background-size: 80px 80px; mask-image: linear-gradient(90deg, var(--color-ink), var(--color-transparent)); }
.process-layout { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: var(--gap-columns); align-items: start; }
.process-opening { display: block; position: sticky; top: calc(var(--header-height) + var(--space-2xl)); margin: 0; }
.process-opening h2 { max-width: 14ch; }
.process-opening .lead { max-width: 29ch; color: var(--color-technical-muted); margin-top: var(--space-xl); }
.process-register { position: relative; margin: 0; border: 0; }
.process-register::before, .process-register::after { content: ""; position: absolute; inset: 30px auto 0 26px; width: 1px; background: var(--color-technical-rule); }
.process-register::after { background: var(--color-electric); transform-origin: top; }
.process-register li { position: relative; grid-template-columns: 54px minmax(0, 1fr); align-items: start; align-content: start; column-gap: var(--space-lg); row-gap: var(--space-md); min-height: 240px; padding: 0 0 var(--space-2xl); border: 0; }
.process-register li:last-child { min-height: 0; padding-bottom: 0; }
.process-number { position: relative; z-index: 2; display: grid; place-items: center; width: 54px; height: 54px; border: 1px solid var(--color-technical-rule); background: var(--color-technical); color: var(--color-electric); font-size: var(--text-lg); font-weight: var(--display-weight); transition: background-color var(--dur-long) var(--ease-out), border-color var(--dur-long) var(--ease-out), color var(--dur-long) var(--ease-out); }
.process-register h3 { padding-top: var(--space-sm); max-width: 20ch; font-size: clamp(1.45rem, 2vw, 1.8rem); }
.process-register p { grid-column: 2; max-width: 37ch; color: var(--color-technical-muted); }
.process-register li.is-current .process-number { background: var(--color-electric); border-color: var(--color-electric); color: var(--color-technical); }
.questions { padding-block: var(--section-gap); background: var(--color-paper); }
.questions-layout { gap: var(--gap-columns); grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); }
.questions h2 { max-width: 11ch; }
.questions-list { border-top-color: var(--color-accent); }
.questions-list summary { gap: var(--space-lg); transition: color var(--dur-short) var(--ease-out); }
.questions-list summary svg { transition: transform var(--dur-short) var(--ease-out); }
.questions-list details[open] { background: linear-gradient(90deg, var(--color-transparent), var(--color-grid-light)); }
.questions-list details p { color: var(--color-muted); }
.contact { padding-block: var(--section-gap-s); background: linear-gradient(120deg, var(--color-contact), var(--color-contact-light)); color: var(--color-technical-ink); }
.contact::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background-image: linear-gradient(var(--color-technical-grid) 1px, var(--color-transparent) 1px), linear-gradient(90deg, var(--color-technical-grid) 1px, var(--color-transparent) 1px); background-size: 48px 48px; mask-image: linear-gradient(120deg, var(--color-transparent), var(--color-ink)); }
.contact::after { content: ""; position: absolute; top: 0; right: 0; bottom: 0; width: 18%; z-index: -1; border-left: 1px solid var(--color-glass); transform: skewX(-18deg); transform-origin: bottom; background: var(--color-technical-grid); }
.contact-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); grid-template-areas: "opening portrait" "details portrait"; column-gap: var(--space-2xl); row-gap: var(--space-xl); align-items: start; }
.contact-opening h2 { max-width: 13ch; }
.contact-opening .lead { margin-top: var(--space-lg); color: var(--color-contact-muted); max-width: 37ch; }
.contact-person { grid-area: portrait; align-self: stretch; display: flex; flex-direction: column; min-width: 0; margin: 0; }
.contact-portrait { position: relative; isolation: isolate; flex: 1; min-height: 440px; overflow: clip; border: 1px solid var(--color-contact-rule); background: radial-gradient(ellipse at 50% 30%, var(--color-technical-3), var(--color-technical)); }
.contact-portrait::before { content: ""; position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(var(--color-technical-grid-strong) 1px, var(--color-transparent) 1px), linear-gradient(90deg, var(--color-technical-grid-strong) 1px, var(--color-transparent) 1px); background-size: 48px 48px; }
.contact-portrait img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; object-position: center bottom; transform-origin: center bottom; transition: transform var(--dur-surface) var(--ease-out); }
.portrait-frame { position: absolute; inset: var(--space-md); z-index: 1; pointer-events: none; border: 1px solid var(--color-glass); clip-path: polygon(0 0, 40px 0, 40px 1px, calc(100% - 40px) 1px, calc(100% - 40px) 0, 100% 0, 100% 40px, calc(100% - 1px) 40px, calc(100% - 1px) calc(100% - 40px), 100% calc(100% - 40px), 100% 100%, calc(100% - 40px) 100%, calc(100% - 40px) calc(100% - 1px), 40px calc(100% - 1px), 40px 100%, 0 100%, 0 calc(100% - 40px), 1px calc(100% - 40px), 1px 40px, 0 40px); transition: border-color var(--dur-short) var(--ease-out); }
.contact-person figcaption { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: var(--space-xs) var(--space-lg); padding-top: var(--space-md); font-size: var(--text-sm); color: var(--color-technical-ink); }
.contact-person figcaption small { font-size: var(--text-xs); color: var(--color-contact-muted); }
.contact-channel { border-top: 1px solid var(--color-contact-rule); padding: var(--space-lg) 0 0; transition: border-color var(--dur-short) var(--ease-out); }
.channel-label, .channel-note { color: var(--color-contact-muted); }
.contact-value { position: relative; font-family: var(--font-display); font-weight: var(--display-weight); font-size: clamp(1.5rem, 2.7vw, 2.5rem); text-decoration: none; padding-bottom: var(--space-md); transition: color var(--dur-short) var(--ease-out); }
.contact-value::after { content: ""; position: absolute; inset: auto 0 0; height: 1px; background: var(--color-contact-rule); transform-origin: left; transition: transform var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out); }
.contact-value:hover, .contact-value:focus-visible { color: var(--color-electric); }
.contact-value:hover::after, .contact-value:focus-visible::after { transform: scaleX(0.7); background: var(--color-electric); }
.site-footer { background: var(--color-paper); padding-block: var(--space-3xl) var(--space-xl); }
.site-footer::before { content: ""; position: absolute; inset: 0 0 auto; height: 36px; z-index: -1; background: repeating-linear-gradient(90deg, var(--color-rule-2) 0 1px, var(--color-transparent) 1px 16px); mask-image: linear-gradient(var(--color-ink), var(--color-transparent)); }
.footer-statement { font-weight: var(--display-weight); font-size: var(--text-display-s); }
.footer-bottom { border-top-color: var(--color-rule-2); }
.footer-brand { width: 168px; }
@media (hover: hover) and (pointer: fine) {
  .intro-figure:hover .intro-photo > img, .equipment-photo:hover > img { transform: scale(1.065); }
  .intro-figure:hover .photo::after { opacity: 1; }
  .contact-person:hover .contact-portrait img { transform: scale(1.025); }
  .contact-person:hover .portrait-frame { border-color: var(--color-electric); }
  .value-register > div:hover { translate: 5px 0; }
  .equipment-list > div:hover { background-color: var(--color-surface); transform: translateX(5px); }
  .equipment-list > div:hover::before { transform: scaleY(1); }
}
@supports (animation-timeline: scroll()) {
  @media (prefers-reduced-motion: no-preference) {
    .reading-progress { animation: reading-progress linear both; animation-timeline: scroll(root); }
    @keyframes reading-progress { to { transform: scaleX(1); } }
  }
}
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) and (min-width: 60rem) {
    .process-register { view-timeline: --process-steps block; }
    .process-register::after { animation: process-progress linear both; animation-timeline: --process-steps; animation-range: entry 65% exit 20%; }
    @keyframes process-progress { from { transform: scaleY(0); } to { transform: scaleY(1); } }
  }
}
@media (prefers-reduced-motion: no-preference) {
  .js.motion-ready [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity var(--dur-reveal) var(--ease-out), transform var(--dur-reveal) var(--ease-out); }
  .js.motion-ready [data-reveal].is-seen { opacity: 1; transform: none; }
}
@media (max-width: 75rem) {
  .intro-grid { gap: var(--space-xl); }
  .hero h1 { font-size: clamp(3.15rem, 5.6vw, 4.6rem); }
  .intro-actions { gap: var(--space-md); }
  .proposition-layout, .process-layout, .questions-layout { gap: var(--gap-columns); }
  .process-register li { grid-template-columns: 54px minmax(0, 1fr); }
  .equipment-list { padding: 0; }
}
@media (max-width: 60rem) {
  :root { --header-height: 76px; }
  .hero { min-height: 0; padding-block: var(--space-2xl) 80px; }
  .brand { width: 184px; }
  .intro-grid { gap: var(--space-lg); }
  .hero h1 { font-size: clamp(2.6rem, 5.6vw, 3.5rem); }
  .intro-photo { height: 440px; }
  .intro-frame { padding: var(--space-xs); }
  .intro-figure figcaption { max-width: 94%; margin: -28px var(--space-xs) 0 auto; padding: var(--space-md); }
  .intro-figure figcaption span:first-child { font-size: var(--text-sm); }
  .intro-figure figcaption span:last-child { font-size: var(--text-xs); }
  .intro-actions { flex-direction: column; align-items: flex-start; gap: var(--space-xs); }
  .button { gap: var(--space-md); padding-inline: var(--space-md); font-size: var(--text-sm); }
  .proposition-copy, .process-opening { position: static; }
  .proposition-layout, .process-layout { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: var(--gap-columns); }
  .value-register > div { padding-block: var(--space-lg); }
  .value-register dt { gap: var(--space-md); }
  .value-register dd { margin-left: 0; }
  .equipment-layout { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: var(--space-lg); }
  .equipment-photo { min-height: 430px; }
  .equipment-list > div { padding: var(--space-lg) var(--space-md); }
  .equipment-list dt { font-size: var(--text-lg); }
  .process-register li { min-height: 260px; column-gap: var(--space-md); }
  .process-register h3 { font-size: var(--text-lg); }
  .questions-layout { gap: var(--gap-columns); }
  .contact-layout { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-areas: "opening portrait" "details details"; column-gap: var(--gap-columns); }
  .contact-portrait { min-height: 0; aspect-ratio: 1 / 1.08; }
  .contact-details { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--gap-columns); }
}
@media (max-width: 45rem) {
  h2 { font-size: clamp(2.1rem, 7.8vw, 3rem); }
  .hero { padding-block: 44px var(--space-2xl); }
  .intro-grid { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .intro-copy { padding-block: 0; }
  .hero h1 { font-size: clamp(2.85rem, 10.7vw, 4.2rem); max-width: 13ch; }
  .hero .lead { max-width: 31ch; margin-top: var(--space-lg); }
  .intro-actions { margin-top: 28px; gap: var(--space-xs); }
  .button { min-height: 52px; font-size: var(--text-md); padding-inline: var(--space-lg); }
  .intro-figure { margin-inline: var(--space-xs); }
  .intro-photo { height: 340px; }
  .intro-figure figcaption { max-width: 96%; margin-right: calc(-1 * var(--space-xs)); }
  .intro-figure figcaption span:first-child { font-size: var(--text-md); }
  .hero::after { background: linear-gradient(112deg, var(--color-transparent) 0 62%, var(--color-technical-grid) 62%); }
  .proposition-layout, .process-layout, .questions-layout { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .value-statement { margin-top: var(--space-lg); }
  .value-register > div { min-height: 0; padding-block: 28px; }
  .value-register dt { font-size: var(--text-lg); gap: var(--space-md); }
  .value-register dd { margin-left: 48px; margin-top: var(--space-sm); }
  .equipment-layout { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .equipment-photo { min-height: 320px; border-width: 6px; }
  .equipment-list > div { padding: var(--space-lg); }
  .equipment-list dt { font-size: var(--text-lg); }
  .process-opening .lead { margin-top: var(--space-lg); max-width: 30ch; }
  .process-register li { min-height: 220px; grid-template-columns: 54px minmax(0, 1fr); column-gap: var(--space-lg); row-gap: var(--space-xs); padding-bottom: var(--space-xl); }
  .process-register h3 { font-size: var(--text-lg); padding-top: var(--space-xs); }
  .process-register p { grid-column: 2; }
  .questions-list summary { font-size: var(--text-md); }
  .contact-layout { grid-template-columns: minmax(0, 1fr); grid-template-areas: "opening" "portrait" "details"; gap: var(--space-xl); }
  .contact-person { width: 100%; max-width: 30rem; justify-self: center; }
  .contact-portrait { flex: none; aspect-ratio: 1 / 1.04; }
  .contact-details { grid-template-columns: minmax(0, 1fr); }
  .contact-details { gap: var(--space-xl); }
  .contact-value { font-size: clamp(1.3rem, 6.8vw, 2.5rem); }
  .footer-brand { width: 136px; }
  .footer-statement { font-size: clamp(2.3rem, 9vw, 3.5rem); }
}
@media (prefers-reduced-motion: reduce) {
  .intro-figure, .value-register > div, .equipment-list > div, [data-slot] > img, .contact-portrait img, .button, .action-icon { transform: none !important; translate: none !important; }
  .js.motion-ready [data-reveal] { opacity: 1; transform: none; }
  .photo::after, .button::after { display: none; }
  .reading-progress { display: none; }
  .process-register::after { transform: none; }
}