:root {
  --ink: #11201d;
  --ink-soft: #40504b;
  --paper: #f1eee5;
  --paper-light: #fbf9f3;
  --copper: #c8653e;
  --copper-dark: #9b472b;
  --sage: #9aaba3;
  --line: rgba(17, 32, 29, .17);
  --light-line: rgba(255, 255, 255, .16);
  --mono: "IBM Plex Mono", monospace;
  --sans: "Manrope", sans-serif;
  --header-height: 88px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: calc(var(--header-height) + 1rem); }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button { color: inherit; }
::selection { background: var(--copper); color: #fff; }
.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; }
.skip-link { position: fixed; z-index: 100; top: -100px; left: 1rem; padding: .8rem 1rem; background: var(--copper); color: #fff; }
.skip-link:focus { top: 1rem; }
.section-shell { width: min(1440px, calc(100% - 5rem)); margin-inline: auto; }

.site-header { position: fixed; z-index: 50; inset: 0 0 auto; height: var(--header-height); display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 0 clamp(1.25rem, 4vw, 4.5rem); border-bottom: 1px solid transparent; transition: height .3s, background .3s, border-color .3s; }
.site-header.scrolled { height: 72px; background: rgba(241, 238, 229, .94); border-color: var(--line); backdrop-filter: blur(16px); }
.brand { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; }
.brand-mark { width: 40px; height: 40px; fill: none; stroke: currentColor; stroke-width: 1.45; }
.brand-type { display: grid; line-height: 1; }
.brand-type strong { font-size: 1.18rem; letter-spacing: .2em; }
.brand-type small { margin-top: .4rem; font: 400 .56rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.site-nav { display: flex; align-items: center; gap: clamp(1rem, 2vw, 2.1rem); }
.site-nav a { font-size: .73rem; font-weight: 600; letter-spacing: .055em; text-decoration: none; text-transform: uppercase; }
.site-nav > a:not(.nav-cta) { position: relative; }
.site-nav > a:not(.nav-cta)::after { content: ""; position: absolute; right: 100%; bottom: -.35rem; left: 0; height: 1px; background: var(--copper); transition: right .2s; }
.site-nav > a:hover::after, .site-nav > a:focus-visible::after { right: 0; }
.nav-cta { padding: .82rem 1.1rem; background: var(--ink); color: var(--paper-light); }
.menu-toggle { display: none; }

.hero { position: relative; min-height: 920px; display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(420px, .96fr); gap: clamp(3rem, 6vw, 8rem); align-items: center; padding: calc(var(--header-height) + 5rem) clamp(1.25rem, 5vw, 6rem) 6rem; overflow: hidden; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 74px 74px; }
.hero::before { content: ""; position: absolute; inset: 0 48% 0 0; background: linear-gradient(90deg, rgba(241,238,229,.98) 75%, rgba(241,238,229,.55)); }
.hero-copy { position: relative; z-index: 2; max-width: 820px; }
.eyebrow, .section-kicker { margin: 0 0 1.4rem; font: 500 .68rem/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: .8rem; color: var(--copper-dark); }
.eyebrow::after { content: ""; width: 64px; height: 1px; background: var(--copper); }
.hero h1 { max-width: 920px; margin: 0; font-size: clamp(3.5rem, 6vw, 7.25rem); font-weight: 500; letter-spacing: -.075em; line-height: .93; }
.hero-lead { max-width: 690px; margin: 2.2rem 0; color: var(--ink-soft); font-size: clamp(1.08rem, 1.5vw, 1.35rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 2rem; min-height: 54px; padding: .95rem 1.2rem; border: 1px solid var(--ink); font-size: .78rem; font-weight: 700; letter-spacing: .035em; text-decoration: none; text-transform: uppercase; cursor: pointer; transition: transform .2s, background .2s, color .2s; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-primary { background: var(--ink); color: #fff; }
.button-primary:hover, .button-primary:focus-visible { background: var(--copper-dark); border-color: var(--copper-dark); }
.button-ghost { background: rgba(241,238,229,.7); }
.hero-proof { display: flex; flex-wrap: wrap; gap: .7rem 1.6rem; margin: 2.5rem 0 0; padding: 1.4rem 0 0; border-top: 1px solid var(--line); list-style: none; font: 400 .66rem/1.4 var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.hero-proof li::before { content: "\2192"; margin-right: .55rem; color: var(--copper); }
.hero-media { position: relative; z-index: 1; width: 100%; height: min(75vh, 760px); min-height: 620px; margin: 0; overflow: hidden; background: #707e78; }
.hero-media::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px rgba(255,255,255,.25); pointer-events: none; }
.hero-media > img { width: 100%; height: 100%; object-fit: cover; object-position: 53% center; filter: saturate(.72) contrast(1.05) brightness(.82); transition: transform 1.2s cubic-bezier(.22,1,.36,1); }
.hero-media:hover > img { transform: scale(1.025); }
.hero-media figcaption { position: absolute; z-index: 3; right: 1.25rem; bottom: 1.25rem; left: 1.25rem; display: grid; grid-template-columns: auto 1fr; gap: .2rem 1rem; padding: 1rem 1.1rem; background: rgba(17,32,29,.9); color: #fff; }
.hero-media figcaption span { grid-row: 1/3; color: var(--copper); font: .65rem var(--mono); }
.hero-media figcaption strong { font-size: .9rem; }
.hero-media figcaption small { color: rgba(255,255,255,.64); }
.hero-linework { position: absolute; z-index: 2; right: -9%; bottom: 5%; width: 62%; fill: none; stroke: rgba(255,255,255,.74); stroke-width: 1.2; }
.hero-linework circle { fill: var(--copper); stroke: #fff; }
.hero-caption { position: absolute; right: 1.8rem; bottom: 1.5rem; margin: 0; font: .57rem var(--mono); letter-spacing: .12em; writing-mode: vertical-rl; }

.intro { display: grid; grid-template-columns: .45fr 1.55fr; gap: 3rem; padding-block: clamp(6rem, 11vw, 11rem); border-top: 1px solid var(--line); }
.intro h2 { max-width: 1080px; margin: 0; font-size: clamp(2.8rem, 6vw, 6.5rem); font-weight: 500; letter-spacing: -.065em; line-height: .95; }
.intro > div > p { max-width: 700px; margin: 2.5rem 0 0 auto; color: var(--ink-soft); font-size: clamp(1.05rem, 1.5vw, 1.3rem); }
.services { padding-bottom: clamp(7rem, 12vw, 12rem); }
.section-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 4rem; align-items: end; margin-bottom: 4rem; }
.section-heading h2, .technical-heading h2, .about h2, .contact h2 { margin: 0; font-size: clamp(2.8rem, 5.4vw, 6.2rem); font-weight: 500; letter-spacing: -.065em; line-height: .96; }
.section-heading > p { max-width: 470px; margin: 0 0 .5rem; color: var(--ink-soft); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); border-left: 1px solid var(--line); }
.service-card { position: relative; min-height: 330px; padding: 2rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .25s, transform .25s; }
.service-card:hover { z-index: 1; background: var(--paper-light); transform: translateY(-4px); }
.service-card > span { font: .65rem var(--mono); color: var(--copper-dark); }
.service-card svg { position: absolute; top: 2rem; right: 2rem; width: 54px; height: 54px; fill: none; stroke: var(--ink); stroke-width: 1.3; }
.service-card h3 { margin: 7rem 0 .75rem; font-size: clamp(1.45rem, 2.2vw, 2.1rem); font-weight: 550; letter-spacing: -.035em; }
.service-card p { max-width: 360px; margin: 0; color: var(--ink-soft); }

.cases { padding-block: clamp(7rem, 11vw, 11rem); background: #dfdbcf; }
.case { background: var(--paper-light); }
.case-feature { display: grid; grid-template-columns: 1.25fr .75fr; }
.case-gallery { display: grid; background: #bcb9b1; }
.case-gallery figure { position: relative; min-width: 0; margin: 0; overflow: hidden; }
.case-gallery img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.78) contrast(1.04); transition: transform .8s cubic-bezier(.22,1,.36,1); }
.case:hover .case-gallery img { transform: scale(1.02); }
.case-gallery figcaption { position: absolute; z-index: 1; top: 1rem; left: 1rem; padding: .5rem .65rem; background: rgba(17,32,29,.9); color: #fff; font: .58rem var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.case-gallery-two { grid-template-rows: minmax(0, 1fr) 230px; min-height: 650px; }
.case-gallery-two .before-plan img { object-fit: cover; object-position: center; }
.case-copy { display: flex; flex-direction: column; padding: clamp(2rem, 3.7vw, 4.4rem); }
.case-label { margin: 0; color: var(--copper-dark); font: .64rem var(--mono); letter-spacing: .08em; }
.case-copy h3 { margin: auto 0 1.8rem; padding-top: 4rem; font-size: clamp(2.4rem, 4.5vw, 5rem); font-weight: 500; letter-spacing: -.06em; line-height: .95; }
.case-story { margin: 0; }
.case-story > div { display: grid; grid-template-columns: 105px 1fr; gap: 1rem; padding: .85rem 0; border-top: 1px solid var(--line); }
.case-story dt, .case-mini dt { color: var(--copper-dark); font: .6rem var(--mono); text-transform: uppercase; }
.case-story dd, .case-mini dd { margin: 0; color: var(--ink-soft); font-size: .86rem; }
.deliverables { display: flex; flex-wrap: wrap; gap: .45rem; margin: 2.2rem 0 0; padding: 0; list-style: none; }
.deliverables li { padding: .42rem .58rem; border: 1px solid var(--line); font: .58rem var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 1px; background: var(--line); }
.case-grid .case { min-width: 0; }
.case-gallery-split { grid-template-columns: 1.18fr .82fr; height: 440px; }
.case-gallery-split .drawing img { object-fit: contain; background: #fff; }
.case-grid .case-copy { min-height: 520px; }
.case-grid .case-copy h3 { margin: 0 0 1.2rem; padding-top: 3rem; font-size: clamp(2.3rem, 4vw, 4.3rem); }
.case-grid .case-copy > p:not(.case-label) { max-width: 570px; margin: 0; color: var(--ink-soft); }
.case-mini { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: auto 0 0; padding-top: 2rem; border-top: 1px solid var(--line); }
.case-mini div { display: grid; gap: .35rem; }
.case-dark { background: var(--ink); color: #fff; }
.case-dark .case-copy > p:not(.case-label), .case-dark .case-mini dd { color: rgba(255,255,255,.68); }
.case-dark .case-mini { border-color: var(--light-line); }
.case-dark .deliverables li { border-color: var(--light-line); }
.case-dark .case-label, .case-dark .case-mini dt { color: var(--copper); }

.technical { padding-block: clamp(7rem, 11vw, 11rem); overflow: hidden; background: var(--ink); color: #fff; }
.technical-heading { display: grid; grid-template-columns: .42fr 1.08fr .5fr; gap: 3rem; align-items: end; margin-bottom: 4.5rem; }
.technical-heading .section-kicker { color: var(--copper); }
.technical-heading h2 { font-size: clamp(2.7rem, 5vw, 5.7rem); }
.technical-heading > p:last-child { margin: 0 0 .5rem; color: rgba(255,255,255,.62); }
.calc-lab { margin-bottom: clamp(3rem, 6vw, 5.5rem); border: 1px solid var(--light-line); background: #142622; }
.calc-lab-topline { display: grid; grid-template-columns: 1fr .65fr; gap: 4rem; align-items: end; padding: clamp(1.5rem, 3vw, 2.75rem); border-bottom: 1px solid var(--light-line); }
.calc-lab-topline h3 { max-width: 760px; margin: .8rem 0 0; font-size: clamp(1.9rem, 3.3vw, 3.8rem); font-weight: 500; letter-spacing: -.05em; line-height: 1.02; }
.calc-lab-topline > p { max-width: 560px; margin: 0; color: rgba(255,255,255,.6); font-size: .9rem; }
.calc-eyebrow, .calc-status { color: var(--copper); font: .62rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.calc-tabs { display: grid; grid-template-columns: repeat(6,1fr); border-bottom: 1px solid var(--light-line); }
.calc-tabs::-webkit-scrollbar { display: none; }
.calc-tab { display: flex; gap: .8rem; align-items: center; min-height: 64px; padding: 0 1.3rem; border: 0; border-right: 1px solid var(--light-line); background: transparent; color: rgba(255,255,255,.52); font: 600 .7rem var(--mono); letter-spacing: .035em; text-align: left; cursor: pointer; transition: background .25s, color .25s; }
.calc-tab:last-child { border-right: 0; }
.calc-tab span { color: rgba(211,104,59,.75); }
.calc-tab:hover, .calc-tab:focus-visible { color: #fff; background: rgba(255,255,255,.035); outline: 0; }
.calc-tab:focus-visible { box-shadow: inset 0 0 0 2px var(--copper); }
.calc-tab.is-active { color: #fff; background: var(--copper-dark); }
.calc-tab.is-active span { color: #fff; }
.calc-stage { min-height: 570px; }
.calc-panel { display: grid; grid-template-columns: .42fr .58fr; min-height: 570px; }
.calc-panel[hidden] { display: none; }
.calc-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(2rem, 5vw, 5rem); border-right: 1px solid var(--light-line); }
.calc-number { margin: clamp(2rem, 5vw, 4.5rem) 0 .8rem; color: #fff; font-size: clamp(2.3rem, 4vw, 4.7rem); font-weight: 500; letter-spacing: -.055em; line-height: .95; }
.calc-number small { display: inline-block; color: rgba(255,255,255,.44); font: .65rem var(--mono); letter-spacing: .02em; }
.calc-number sub { font-size: .5em; }
.calc-copy h4 { margin: 0 0 1rem; font-size: clamp(1.4rem, 2vw, 2.15rem); font-weight: 500; letter-spacing: -.035em; }
.calc-copy > p:not(.calc-number) { max-width: 500px; margin: 0; color: rgba(255,255,255,.62); font-size: .9rem; }
.calc-copy ul { display: flex; flex-wrap: wrap; gap: .45rem; margin: 2rem 0 0; padding: 0; list-style: none; }
.calc-copy li { padding: .48rem .62rem; border: 1px solid rgba(255,255,255,.17); color: rgba(255,255,255,.72); font: .58rem var(--mono); letter-spacing: .035em; text-transform: uppercase; }
.calc-visual { display: grid; place-items: center; min-width: 0; padding: clamp(1rem, 3vw, 3rem); background: #efece3; color: var(--ink); overflow: hidden; }
.calc-visual svg { width: 100%; height: auto; overflow: visible; }
.svg-label, .svg-note, .layer-notes text, .chart-legend text, .sound-scale text, .time-labels text, .lca-bars text, .lca-groups text, .phase-arrow text { fill: #45534f; font: 600 11px var(--mono); letter-spacing: 1px; }
.svg-note { fill: #7d8580; font-size: 9px; }
.wall-layers rect { fill: none; stroke: rgba(17,32,29,.52); stroke-width: 1; }
.heat-flow path { fill: none; stroke: rgba(255,255,255,.92); stroke-width: 1.5; stroke-dasharray: 11 14; animation: heatMove 2.6s linear infinite; }
.heat-flow path:nth-child(2) { animation-delay: -.8s; }
.heat-flow path:nth-child(3) { animation-delay: -1.6s; }
.heat-flow path::after { content: ""; }
.calc-trace { fill: none; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 1100; stroke-dashoffset: 1100; }
.calc-panel.is-active .calc-trace { animation: drawTrace 1.8s .12s cubic-bezier(.22,1,.36,1) forwards; }
.beam-loads path { fill: none; stroke: var(--copper-dark); stroke-width: 2.5; opacity: 0; transform-box: fill-box; transform-origin: center top; }
.calc-panel.is-active .beam-loads path { animation: loadDrop .5s cubic-bezier(.22,1,.36,1) forwards; }
.calc-panel.is-active .beam-loads path:nth-child(2n+3), .calc-panel.is-active .beam-loads path:nth-child(2n+4) { animation-delay: .12s; }
.calc-panel.is-active .beam-loads path:nth-child(n+7) { animation-delay: .24s; }
.beam-axis { fill: none; stroke: rgba(17,32,29,.28); stroke-width: 10; }
.beam-deflection { fill: none; stroke: var(--ink); stroke-width: 12; stroke-linecap: square; stroke-dasharray: 700; stroke-dashoffset: 700; }
.calc-panel.is-active .beam-deflection { animation: drawTrace 1s .35s cubic-bezier(.22,1,.36,1) forwards, beamBreathe 2.8s 1.4s ease-in-out infinite; }
.beam-support path { fill: none; stroke: var(--ink); stroke-width: 2; }
.moment-fill { fill: rgba(211,104,59,.13); opacity: 0; }
.calc-panel.is-active .moment-fill { animation: areaIn .7s .9s forwards; }
.moment-trace { stroke: var(--copper-dark); stroke-width: 4; }
.moment-axis { stroke: rgba(17,32,29,.45); stroke-width: 1; }
.capacity-meter rect:first-child { fill: rgba(17,32,29,.12); }
.capacity-meter .capacity-value { fill: var(--copper-dark); transform: scaleX(0); transform-box: fill-box; transform-origin: left center; }
.calc-panel.is-active .capacity-value { animation: capacityGrow 1s .85s cubic-bezier(.22,1,.36,1) forwards; }
.capacity-meter text { fill: #45534f; font: 600 10px var(--mono); }
.heat-trace { stroke: var(--ink); stroke-width: 5; }
.trace-dot { fill: #efece3; stroke: var(--copper-dark); stroke-width: 3; opacity: 0; }
.calc-panel.is-active .trace-dot { animation: pointIn .4s 1.6s forwards, pointPulse 2.4s 2s ease-in-out infinite; }
.layer-notes text { text-anchor: middle; font-size: 9px; }
.chart-grid path, .lca-grid path { fill: none; stroke: rgba(17,32,29,.14); stroke-width: 1; }
.chart-grid path:first-child, .lca-grid path:first-child { stroke: rgba(17,32,29,.65); }
.saturation-trace { stroke: #6d91a5; stroke-width: 4; }
.vapor-trace { stroke: var(--copper-dark); stroke-width: 4; }
.moisture-risk { fill: #efece3; stroke: var(--copper-dark); stroke-width: 3; opacity: 0; }
.calc-panel.is-active .moisture-risk { animation: pointIn .35s 1.6s forwards, pointPulse 2s 2s ease-in-out infinite; }
.drop { fill: #6d91a5; opacity: 0; transform-box: fill-box; transform-origin: center top; }
.calc-panel.is-active .drop { animation: dropIn .9s 1.85s cubic-bezier(.22,1,.36,1) forwards; }
.legend-sat, .legend-vapor { stroke-width: 4; }
.legend-sat { stroke: #6d91a5; }.legend-vapor { stroke: var(--copper-dark); }
.sound-wall rect { fill: rgba(17,32,29,.08); stroke: var(--ink); stroke-width: 1.5; }
.sound-wall rect:nth-child(2) { fill: rgba(109,145,165,.22); }
.sound-waves path { fill: none; stroke: var(--copper-dark); stroke-width: 3; stroke-linecap: round; stroke-dasharray: 9 7; }
.sound-in path { animation: soundTravel 1.5s linear infinite; }
.sound-in path:nth-child(2) { animation-delay: -.45s; }.sound-in path:nth-child(3) { animation-delay: -.9s; }
.sound-out { opacity: .42; }
.sound-out path { stroke-width: 2; animation: soundTravel 2.1s linear infinite reverse; }
.comfort-area { fill: rgba(211,104,59,.1); opacity: 0; }
.calc-panel.is-active .comfort-area { animation: areaIn 1.1s .25s forwards; }
.outside-trace { stroke: var(--copper-dark); stroke-width: 3; }
.inside-trace { stroke: #4f7386; stroke-width: 5; }
.phase-arrow path { fill: none; stroke: var(--ink); stroke-width: 1.5; }
.phase-arrow { opacity: 0; }
.calc-panel.is-active .phase-arrow { animation: pointIn .5s 1.6s forwards; }
.lca-bars rect { fill: #6b7a4d; transform-box: fill-box; transform-origin: center bottom; transform: scaleY(0); }
.lca-bars > g:nth-child(2) rect { fill: #708c98; }.lca-bars > g:nth-child(3) rect { fill: #4f7386; }.lca-bars > g:nth-child(4) rect { fill: #9c6a44; }
.lca-bars .lca-credit rect { fill: #52785e; transform-origin: center top; }
.calc-panel.is-active .lca-bars rect { animation: barGrow .8s cubic-bezier(.22,1,.36,1) forwards; }
.calc-panel.is-active .lca-bars > g:nth-child(2) rect { animation-delay: .12s; }.calc-panel.is-active .lca-bars > g:nth-child(3) rect { animation-delay: .24s; }.calc-panel.is-active .lca-bars > g:nth-child(4) rect { animation-delay: .36s; }.calc-panel.is-active .lca-bars > g:nth-child(5) rect { animation-delay: .48s; }
.lca-bars text, .lca-groups text { text-anchor: middle; font-size: 9px; }
.lca-groups text { fill: #7d8580; font-size: 8px; }
@keyframes drawTrace { to { stroke-dashoffset: 0; } }
@keyframes heatMove { to { stroke-dashoffset: -50; } }
@keyframes soundTravel { to { stroke-dashoffset: -32; } }
@keyframes pointIn { to { opacity: 1; } }
@keyframes pointPulse { 50% { r: 12px; } }
@keyframes dropIn { from { opacity: 0; transform: translateY(-12px) scale(.65); } to { opacity: .82; transform: none; } }
@keyframes areaIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes barGrow { to { transform: scaleY(1); } }
@keyframes loadDrop { from { opacity: 0; transform: translateY(-18px); } to { opacity: 1; transform: none; } }
@keyframes beamBreathe { 50% { transform: translateY(4px); } }
@keyframes capacityGrow { to { transform: scaleX(1); } }
.technical-board { display: grid; grid-template-columns: 1.3fr .7fr; gap: 1px; background: var(--light-line); }
.technical-board figure { position: relative; min-width: 0; margin: 0; background: #fff; overflow: hidden; }
.technical-board figure img { width: 100%; height: 100%; object-fit: cover; }
.model-figure { min-height: 600px; }
.model-figure img { object-fit: contain !important; }
.detail-figure { min-height: 600px; }
.detail-figure img { object-fit: contain !important; }
.technical-board figcaption { position: absolute; left: 1rem; bottom: 1rem; padding: .55rem .7rem; background: var(--ink); color: #fff; font: .6rem var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.technical-results { grid-column: 1/-1; display: grid; grid-template-columns: repeat(4,1fr); background: var(--ink); }
.technical-results article { min-height: 220px; padding: 2rem; border-right: 1px solid var(--light-line); }
.technical-results span { display: block; margin-bottom: 4rem; color: var(--copper); font: .65rem var(--mono); }
.technical-results strong { display: block; margin-bottom: .55rem; font-size: 1.2rem; }
.technical-results p { margin: 0; color: rgba(255,255,255,.62); font-size: .86rem; }

.about { display: grid; grid-template-columns: .78fr 1.22fr; gap: clamp(3rem, 8vw, 9rem); align-items: center; padding-block: clamp(7rem, 12vw, 12rem); }
.about-visual { position: relative; min-height: 620px; margin: 0; overflow: hidden; background: #c4beb3; }
.about-visual::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg,var(--line) 1px,transparent 1px); background-size: 46px 46px; opacity: .25; }
.about-visual img { width: 100%; height: 100%; min-height: 620px; object-fit: cover; }
.about-visual figcaption { position: absolute; z-index: 2; right: 1.2rem; bottom: 1.2rem; left: 1.2rem; display: grid; padding: 1rem; background: rgba(17,32,29,.9); color: #fff; }
.about-visual figcaption span { color: var(--copper); font: .6rem var(--mono); text-transform: uppercase; }
.about-copy { max-width: 760px; }
.about-copy h2 { margin-bottom: 2rem; }
.large-copy { margin: 0 0 1.5rem; font-size: clamp(1.3rem, 2.2vw, 2rem); line-height: 1.4; letter-spacing: -.025em; }
.about-copy > p:not(.section-kicker):not(.large-copy) { color: var(--ink-soft); }
.profile-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 2rem; margin: 2.5rem 0; padding: 0; border-top: 1px solid var(--ink); list-style: none; }
.profile-list li { padding: .9rem 0; border-bottom: 1px solid var(--line); font-size: .84rem; }
.profile-list li::before { content: "\2192"; margin-right: .6rem; color: var(--copper-dark); }
.text-link { font-size: .82rem; font-weight: 700; text-underline-offset: .35rem; }

.digital-practice { padding-block: clamp(7rem, 11vw, 11rem); background: #d7d3c8; }
.digital-practice-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(3rem, 8vw, 9rem); align-items: center; }
.digital-practice-copy { max-width: 620px; }
.digital-practice-copy h2 { margin: .8rem 0 2rem; font-size: clamp(2.8rem, 5.4vw, 6rem); font-weight: 500; letter-spacing: -.065em; line-height: .96; }
.digital-practice-copy > p:not(.section-kicker):not(.large-copy) { color: var(--ink-soft); }
.digital-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2rem; }
.digital-tags span { padding: .55rem .7rem; border: 1px solid rgba(17,32,29,.35); font: .58rem var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.digital-flow { position: relative; display: grid; grid-template-columns: 1fr 74px 1fr 74px 1fr; align-items: center; min-height: 430px; padding: clamp(1.5rem, 4vw, 4rem); border: 1px solid var(--ink); background: var(--paper-light); background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg,var(--line) 1px,transparent 1px); background-size: 42px 42px; }
.flow-node { position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: center; min-height: 170px; padding: 1.3rem; border: 1px solid var(--ink); background: rgba(242,239,231,.94); }
.flow-node-accent { background: var(--ink); color: #fff; box-shadow: 10px 10px 0 rgba(17,32,29,.12); }
.flow-node span { margin-bottom: 2.5rem; color: var(--copper-dark); font: .58rem var(--mono); letter-spacing: .06em; }
.flow-node strong { font-size: clamp(1rem, 1.35vw, 1.3rem); line-height: 1.15; }
.flow-node small { margin-top: .65rem; color: var(--ink-soft); font: .58rem var(--mono); line-height: 1.5; }
.flow-node-accent small { color: rgba(255,255,255,.58); }
.flow-line { position: relative; height: 1px; background: var(--ink); }
.flow-line::after { content: ""; position: absolute; top: -4px; right: 0; border-width: 4px 0 4px 7px; border-style: solid; border-color: transparent transparent transparent var(--ink); }
.flow-line i { position: absolute; top: -3px; left: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--copper); animation: flowPulse 2.2s linear infinite; }
.flow-line:nth-of-type(4) i { animation-delay: 1.1s; }
@keyframes flowPulse { from { transform: translateX(0); } to { transform: translateX(67px); } }

.process { padding-block: clamp(7rem, 10vw, 10rem); background: #294039; color: #fff; }
.section-heading-light .section-kicker { color: var(--copper); }
.section-heading-light > p { color: rgba(255,255,255,.65); }
.process-steps { display: grid; grid-template-columns: repeat(4,1fr); margin: 4rem 0 0; padding: 0; border-top: 1px solid var(--light-line); list-style: none; }
.process-steps li { min-height: 245px; padding: 2rem; border-right: 1px solid var(--light-line); }
.process-steps li:first-child { padding-left: 0; }
.process-steps span { color: var(--copper); font: .66rem var(--mono); }
.process-steps h3 { margin: 5rem 0 .5rem; font-size: 1.35rem; }
.process-steps p { margin: 0; color: rgba(255,255,255,.62); font-size: .88rem; }

.contact { padding-block: clamp(7rem, 11vw, 11rem); background: #d8c8bb; background-image: linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px); background-size: 74px 74px; }
.contact-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: clamp(3rem, 8vw, 9rem); align-items: start; }
.contact h2 { font-size: clamp(3rem, 6vw, 7rem); }
.contact-copy > p:not(.section-kicker) { max-width: 540px; margin: 2rem 0; }
.contact-direct { display: grid; gap: .5rem; margin-top: 3rem; }
.contact-direct a { width: fit-content; font-size: clamp(1.2rem, 2.2vw, 2rem); font-weight: 600; letter-spacing: -.03em; text-underline-offset: .3rem; }
.project-form { padding: clamp(1.5rem, 3vw, 3rem); background: var(--paper-light); border: 1px solid var(--ink); box-shadow: 14px 14px 0 rgba(17,32,29,.12); }
.project-form label { display: grid; gap: .5rem; }
.project-form label > span { font: .62rem var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; margin-bottom: 1.4rem; }
.project-form input, .project-form textarea { width: 100%; border: 0; border-bottom: 1px solid var(--ink); border-radius: 0; padding: .75rem .15rem; background: transparent; color: var(--ink); outline: 0; }
.project-form textarea { resize: vertical; }
.project-form input:focus, .project-form textarea:focus { border-color: var(--copper); box-shadow: 0 1px 0 var(--copper); }
.file-field { margin-top: 1.4rem; padding: 1rem; border: 1px dashed var(--ink); cursor: pointer; }
.file-field input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.file-field small { color: var(--ink-soft); }
.form-footer { display: flex; gap: 2rem; align-items: center; justify-content: space-between; margin-top: 1.6rem; }
.form-footer p { max-width: 430px; margin: 0; color: var(--ink-soft); font-size: .72rem; }
.form-footer .button { flex: 0 0 auto; }
.form-status { margin: 1rem 0 0; color: var(--copper-dark); font-size: .8rem; }
.form-status.is-success { color: #256444; }
.form-status.is-error { color: #a33b25; }
.project-form .button:disabled { cursor: wait; opacity: .65; }
.form-honeypot { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

.site-footer { display: grid; grid-template-columns: .7fr 1.3fr auto; gap: 3rem; padding: 3.5rem clamp(1.25rem,4vw,4.5rem); background: var(--paper-light); border-top: 1px solid var(--line); font-size: .75rem; }
.footer-brand { display: grid; align-content: start; }
.footer-brand strong { letter-spacing: .18em; }
.footer-brand span, .footer-legal { color: var(--ink-soft); }
.footer-legal p { margin: 0 0 .25rem; }
.footer-links { display: flex; gap: 1.2rem; }
.footer-links a { text-underline-offset: .25rem; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s, transform .7s cubic-bezier(.22,1,.36,1); }
.reveal.visible { opacity: 1; transform: none; }
.privacy-page { min-height: 100vh; background: var(--paper-light); }
.privacy-main { width: min(860px,calc(100% - 3rem)); margin: 0 auto; padding: calc(var(--header-height) + 5rem) 0 8rem; }
.privacy-main h1 { margin: 0 0 1rem; font-size: clamp(3rem,7vw,6rem); line-height: 1; letter-spacing: -.06em; }
.privacy-main h2 { margin-top: 3rem; font-size: 1.45rem; }
.privacy-main p, .privacy-main li { color: var(--ink-soft); }
.privacy-updated { font: .72rem var(--mono); letter-spacing: .08em; text-transform: uppercase; }

@media (max-width: 1100px) {
  .menu-toggle { position: relative; z-index: 2; display: grid; place-content: center; gap: 5px; width: 44px; height: 44px; border: 1px solid var(--ink); background: transparent; }
  .menu-toggle span:not(.sr-only) { display: block; width: 19px; height: 1px; background: var(--ink); transition: transform .25s, opacity .25s; }
  .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); }
  .site-nav { position: fixed; inset: 0; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 1.4rem; padding: 5rem 2rem; background: var(--paper); transform: translateX(100%); transition: transform .35s cubic-bezier(.22,1,.36,1); }
  .site-nav.open { transform: none; }
  .site-nav a { font-size: 1.7rem; letter-spacing: -.03em; text-transform: none; }
  .nav-cta { margin-top: 1rem; font-size: 1rem !important; }
  .hero { grid-template-columns: 1fr .8fr; }
  .hero h1 { font-size: clamp(3.5rem, 7vw, 6.2rem); }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .case-feature { grid-template-columns: 1fr; }
  .case-feature .case-copy { min-height: 600px; }
  .technical-heading { grid-template-columns: 1fr 2fr; }
  .technical-heading > p:last-child { grid-column: 2; }
  .calc-lab-topline { grid-template-columns: 1fr; gap: 1.2rem; }
  .calc-tab { padding-inline: .8rem; }
  .calc-panel { grid-template-columns: .48fr .52fr; }
  .technical-board { grid-template-columns: 1fr; }
  .detail-figure { min-height: 480px; }
  .technical-results { grid-column: auto; grid-template-columns: 1fr 1fr; }
}

@media (max-width: 800px) {
  :root { --header-height: 74px; }
  .section-shell { width: min(100% - 2.5rem, 1440px); }
  .menu-toggle { position: relative; z-index: 2; display: grid; place-content: center; gap: 5px; width: 44px; height: 44px; border: 1px solid var(--ink); background: transparent; }
  .menu-toggle span:not(.sr-only) { display: block; width: 19px; height: 1px; background: var(--ink); transition: transform .25s, opacity .25s; }
  .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); }
  .site-nav { position: fixed; inset: 0; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 1.4rem; padding: 5rem 2rem; background: var(--paper); transform: translateX(100%); transition: transform .35s cubic-bezier(.22,1,.36,1); }
  .site-nav.open { transform: none; }
  .site-nav > a:not(.nav-cta) { display: block; }
  .site-nav a { font-size: 1.7rem; letter-spacing: -.03em; text-transform: none; }
  .nav-cta { margin-top: 1rem; font-size: 1rem !important; }
  .hero { grid-template-columns: 1fr; gap: 3rem; min-height: auto; padding: calc(var(--header-height) + 4rem) 1.25rem 5rem; }
  .hero::before { inset: 0; }
  .hero-media { min-height: 560px; height: 70vh; }
  .hero-caption { display: none; }
  .intro { grid-template-columns: 1fr; gap: 1rem; }
  .intro > div > p { margin-left: 0; }
  .section-heading { grid-template-columns: 1fr; gap: 1.2rem; }
  .case-grid { grid-template-columns: 1fr; }
  .case-gallery-two { min-height: 520px; }
  .case-grid .case-copy { min-height: 480px; }
  .technical-heading { grid-template-columns: 1fr; }
  .technical-heading > p:last-child { grid-column: auto; }
  .calc-tabs { display: flex; overflow-x: auto; scrollbar-width: none; }
  .calc-tab { flex: 0 0 auto; min-width: 145px; }
  .calc-panel { grid-template-columns: 1fr; }
  .calc-copy { min-height: 410px; border-right: 0; border-bottom: 1px solid var(--light-line); }
  .calc-visual { min-height: 430px; }
  .model-figure { min-height: 430px; }
  .about { grid-template-columns: 1fr; }
  .about-visual, .about-visual img { min-height: 520px; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .digital-practice-grid { grid-template-columns: 1fr; }
  .digital-practice-copy { max-width: 760px; }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .footer-links { grid-column: 1/-1; }
}

@media (max-width: 560px) {
  .brand-mark { width: 34px; height: 34px; }
  .brand-type small { display: none; }
  .hero h1 { font-size: clamp(3.15rem, 15vw, 5rem); }
  .hero-actions .button { width: 100%; }
  .hero-media { min-height: 480px; }
  .hero-proof { display: grid; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 280px; }
  .case-gallery-two { grid-template-columns: 1fr; grid-template-rows: auto; min-height: 0; }
  .case-gallery-two figure { aspect-ratio: 4/3; }
  .case-gallery-two .before-plan { aspect-ratio: 2.18/1; }
  .case-feature .case-copy, .case-grid .case-copy { min-height: 0; }
  .case-copy h3, .case-grid .case-copy h3 { margin-top: 0; padding-top: 3rem; }
  .case-story > div { grid-template-columns: 1fr; gap: .35rem; }
  .case-gallery-split { height: 340px; }
  .case-mini { grid-template-columns: 1fr; }
  .technical-board figure, .model-figure, .detail-figure { min-height: 330px; }
  .calc-stage, .calc-panel { min-height: 0; }
  .calc-copy { min-height: 390px; padding: 2rem 1.4rem; }
  .calc-number { margin-top: 3rem; }
  .calc-visual { min-height: 330px; padding: .65rem; }
  .technical-results { grid-template-columns: 1fr; }
  .technical-results article { min-height: 180px; }
  .technical-results span { margin-bottom: 2.5rem; }
  .profile-list { grid-template-columns: 1fr; }
  .digital-flow { grid-template-columns: 1fr; gap: 28px; min-height: 0; padding: 1.25rem; }
  .flow-line { width: 1px; height: 28px; margin: 0 auto; }
  .flow-line::after { top: auto; right: -3px; bottom: 0; border-width: 7px 4px 0; border-color: var(--ink) transparent transparent; }
  .flow-line i { top: 0; left: -3px; animation-name: flowPulseVertical; }
  @keyframes flowPulseVertical { from { transform: translateY(0); } to { transform: translateY(25px); } }
  .process-steps { grid-template-columns: 1fr; }
  .process-steps li, .process-steps li:first-child { min-height: 190px; padding: 1.5rem 0; border-right: 0; border-bottom: 1px solid var(--light-line); }
  .process-steps h3 { margin-top: 3rem; }
  .form-grid { grid-template-columns: 1fr; }
  .form-footer { align-items: stretch; flex-direction: column; }
  .site-footer { grid-template-columns: 1fr; gap: 1.8rem; }
  .footer-links { grid-column: auto; flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .reveal { opacity: 1; transform: none; }
}