:root {
  --emerald: #075746; --emerald-deep: #063f35; --emerald-ink: #062f28; --lime: #c4ddad;
  --ink: #17221f; --muted: #5d6a65; --paper: #f5f4ee; --white: #fff;
  --line: rgba(23,34,31,.17); --line-light: rgba(255,255,255,.2);
  --serif: Georgia, "Times New Roman", serif; --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
h1, h2, h3, p, figure, dl, dd { margin-top: 0; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 12px 16px; color: var(--white); background: var(--emerald-deep); }
.skip-link:focus { top: 16px; }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 4px; }

.utility-bar { min-height: 34px; padding: 7px 4vw; display: flex; justify-content: space-between; align-items: center; color: rgba(255,255,255,.72); background: var(--emerald-ink); font-size: .72rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.utility-bar p { margin: 0; }
.site-header { height: 86px; padding: 12px 4vw; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: rgba(245,244,238,.96); backdrop-filter: blur(16px); transition: box-shadow .25s ease; }
.site-header.scrolled { box-shadow: 0 10px 30px rgba(6,47,40,.08); }
.brand { width: 178px; height: 54px; display: flex; align-items: center; overflow: hidden; }
.brand img { width: 100%; height: 100%; object-fit: contain; object-position: left center; }
.site-nav { display: flex; align-items: center; gap: clamp(20px,2.2vw,38px); font-size: .75rem; font-weight: 650; letter-spacing: .09em; text-transform: uppercase; }
.site-nav > a:not(.nav-cta) { position: relative; padding: 10px 0; }
.site-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 5px; height: 1px; background: var(--emerald); transition: right .2s ease; }
.site-nav > a:not(.nav-cta):hover::after { right: 0; }
.nav-cta { padding: 8px 8px 8px 15px; display: inline-flex; align-items: center; gap: 18px; color: var(--white); background: var(--emerald-deep); border-radius: 8px; }
.menu-toggle { display: none; padding: 8px 0; border: 0; background: transparent; text-transform: uppercase; letter-spacing: .1em; font-size: .75rem; cursor: pointer; }
.menu-icon { width: 22px; display: grid; gap: 5px; }
.menu-icon i { width: 22px; height: 1px; display: block; background: currentColor; transition: transform .2s ease; }

.hero { min-height: calc(100vh - 120px); display: grid; grid-template-columns: minmax(0,47%) minmax(0,53%); color: var(--white); background: var(--emerald-deep); }
.hero-copy { padding: clamp(72px,8vw,132px) 5vw 74px; display: flex; flex-direction: column; justify-content: center; }
.kicker { margin-bottom: 26px; color: var(--lime); font-size: .74rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
.kicker.dark { color: var(--emerald); }
h1 { max-width: 760px; margin-bottom: 30px; font-family: var(--serif); font-size: clamp(3.5rem,6.4vw,7rem); font-weight: 400; letter-spacing: -.055em; line-height: .91; }
h1 em, .contact h2 em { color: var(--lime); font-weight: 400; }
.hero-intro { max-width: 580px; margin-bottom: 42px; color: rgba(255,255,255,.73); font-size: clamp(1rem,1.25vw,1.23rem); line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.button { min-height: 60px; padding: 10px 10px 10px 20px; display: inline-flex; justify-content: space-between; align-items: center; gap: 38px; border: 1px solid rgba(6,47,40,.12); border-radius: 12px; box-shadow: 0 10px 28px rgba(6,47,40,.12); font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(6,47,40,.18); }
.button-primary { color: var(--emerald-ink); background: var(--lime); }
.button-light { color: var(--emerald-ink); background: var(--white); }
.button-icon { width: 34px; height: 34px; flex: 0 0 34px; display: grid; place-items: center; color: var(--white); background: var(--emerald-ink); border: 1px solid rgba(255,255,255,.18); border-radius: 50%; transition: transform .2s ease, background .2s ease; }
.button-icon svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.button:hover .button-icon, .nav-cta:hover .button-icon, .mobile-whatsapp:hover .button-icon { transform: translate(2px,-2px); }
.nav-cta .button-icon { width: 28px; height: 28px; flex-basis: 28px; background: rgba(255,255,255,.1); }
.nav-cta .button-icon svg { width: 14px; height: 14px; }
.inline-link, .email-link { padding: 7px 0; border-bottom: 1px solid currentColor; font-size: .85rem; }
.hero-visual { min-height: 620px; position: relative; overflow: hidden; }
.hero-visual::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg,transparent 56%,rgba(6,47,40,.2)); }
.hero-visual > img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.78) contrast(1.02); }
.hero-credential { width: min(290px,60%); padding: 22px 24px; position: absolute; left: 0; bottom: 0; z-index: 2; color: var(--emerald-ink); background: var(--white); }
.hero-credential span, .hero-credential small { display: block; font-size: .68rem; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; }
.hero-credential strong { margin: 8px 0 2px; display: block; font-family: var(--serif); font-size: 2.5rem; font-weight: 400; line-height: 1; }
.hero-credential small { color: var(--muted); letter-spacing: .06em; text-transform: none; }

.trust-strip { padding: 0 5vw; display: grid; grid-template-columns: repeat(3,1fr); background: var(--white); }
.trust-strip > div { min-height: 166px; padding: 30px 34px 30px 0; display: grid; grid-template-columns: 40px 1fr; align-content: center; border-right: 1px solid var(--line); }
.trust-strip > div + div { padding-left: 34px; }
.trust-strip > div:last-child { border-right: 0; }
.trust-strip span { grid-row: 1 / 3; color: var(--emerald); font-size: .72rem; font-weight: 700; }
.trust-strip strong { font-family: var(--serif); font-size: 1.2rem; font-weight: 400; }
.trust-strip p { margin: 7px 0 0; color: var(--muted); font-size: .88rem; }

.intro { padding: 140px 6vw; display: grid; grid-template-columns: 23% 1fr; gap: 7vw; }
.section-label { display: flex; gap: 16px; align-items: flex-start; color: var(--emerald); font-size: .72rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.section-label p { margin: 0; }
.section-label span { font-variant-numeric: tabular-nums; }
.intro h2, .section-top h2, .credentials h2 { max-width: 980px; margin-bottom: 44px; font-family: var(--serif); font-size: clamp(2.7rem,4.7vw,5.3rem); font-weight: 400; letter-spacing: -.045em; line-height: 1; }
.intro-columns { max-width: 790px; margin-left: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 50px; color: var(--muted); }
.intro-columns p { margin: 0; }

.expertise, .process { padding: 128px 6vw; color: var(--white); background: var(--emerald-deep); }
.section-top { margin-bottom: 64px; display: grid; grid-template-columns: 23% 1fr; gap: 7vw; }
.section-top.light .section-label { color: var(--lime); }
.section-top h2 { margin: 0; }
.expertise-grid { display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid var(--line-light); }
.expertise-grid article { min-height: 300px; padding: 28px 28px 34px 0; display: flex; flex-direction: column; border-right: 1px solid var(--line-light); }
.expertise-grid article + article { padding-left: 28px; }
.expertise-grid article:last-child { border-right: 0; }
.service-no { color: var(--lime); font-size: .72rem; font-weight: 700; }
.expertise-grid h3 { margin: auto 0 16px; font-family: var(--serif); font-size: clamp(1.45rem,2vw,2rem); font-weight: 400; }
.expertise-grid p { margin: 0; color: rgba(255,255,255,.62); font-size: .9rem; }

.work { padding: 140px 6vw 160px; background: var(--white); }
.work-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 60px; }
.work-heading h2 { margin-bottom: 0; }
.work-heading > p { max-width: 390px; margin: 0 0 4px; color: var(--muted); }
.project figure { margin-bottom: 0; overflow: hidden; background: #d8ddd8; }
.project figure img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2,.7,.2,1); }
.project:hover figure img { transform: scale(1.025); }
.project-wide figure { aspect-ratio: 16 / 7.2; }
.project-info { min-height: 118px; padding: 23px 0; display: grid; grid-template-columns: 80px 1fr auto; gap: 18px; border-bottom: 1px solid var(--line); }
.project-info h3 { margin-bottom: 5px; font-family: var(--serif); font-size: 1.6rem; font-weight: 400; }
.project-info p { margin-bottom: 0; color: var(--muted); font-size: .82rem; }
.project-index, .project-type { font-variant-numeric: tabular-nums; }
.project-type { text-transform: uppercase; letter-spacing: .1em; }
.project-pair { margin-top: 100px; display: grid; grid-template-columns: 1fr 1fr; gap: 7vw; }
.project-shift { margin-top: 110px; }
.portrait { aspect-ratio: 4 / 5; }
.project-info.compact { grid-template-columns: 72px 1fr; }

.process { background: var(--emerald-ink); }
.process-intro { max-width: 420px; margin: 20px 0 0; color: rgba(255,255,255,.6); }
.process-list { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4,1fr); list-style: none; border-top: 1px solid var(--line-light); }
.process-list li { min-height: 240px; padding: 28px 26px 30px 0; display: flex; flex-direction: column; border-right: 1px solid var(--line-light); }
.process-list li + li { padding-left: 26px; }
.process-list li:last-child { border-right: 0; }
.process-list span { color: var(--lime); font-size: .72rem; font-weight: 700; }
.process-list div { margin-top: auto; }
.process-list h3 { margin-bottom: 12px; font-family: var(--serif); font-size: 1.45rem; font-weight: 400; }
.process-list p { margin: 0; color: rgba(255,255,255,.62); font-size: .88rem; }

.credentials { padding: 130px 6vw; display: grid; grid-template-columns: .9fr 1.1fr; gap: 9vw; align-items: end; }
.credential-heading h2 { margin-bottom: 0; }
.credentials dl { margin-bottom: 0; border-top: 1px solid var(--line); }
.credentials dl > div { min-height: 80px; padding: 18px 0; display: grid; grid-template-columns: 42% 1fr; align-items: center; border-bottom: 1px solid var(--line); }
.credentials dt { color: var(--muted); font-size: .72rem; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.credentials dd { margin-bottom: 0; font-family: var(--serif); font-size: 1.15rem; }

.contact { padding: 135px 6vw 145px; text-align: center; color: var(--white); background: var(--emerald); }
.contact h2 { margin-bottom: 28px; font-family: var(--serif); font-size: clamp(3.5rem,7vw,7.4rem); font-weight: 400; letter-spacing: -.055em; line-height: .93; }
.contact > p:not(.kicker) { max-width: 630px; margin: 0 auto 42px; color: rgba(255,255,255,.7); font-size: 1.02rem; }
.contact-actions { display: flex; justify-content: center; align-items: center; gap: 30px; flex-wrap: wrap; }
.email-link { color: rgba(255,255,255,.85); }

footer { padding: 64px 6vw 24px; color: #56625e; background: #efeee7; }
.footer-main { display: grid; grid-template-columns: 1.35fr .9fr .9fr .9fr; gap: 5vw; }
.footer-main > div:not(.footer-brand) { display: flex; align-items: flex-start; flex-direction: column; }
.footer-brand img { width: 210px; height: 58px; margin-bottom: 18px; object-fit: contain; object-position: left center; }
.footer-brand p, footer a, footer address, .footer-main div > p:not(.footer-label) { margin-bottom: 0; color: #56625e; font-size: .86rem; font-style: normal; }
.footer-label { margin-bottom: 17px; color: var(--emerald); font-size: .68rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.footer-main a { border-bottom: 1px solid transparent; }
.footer-main a:hover { border-color: currentColor; }
.footer-bottom { margin-top: 54px; padding-top: 18px; display: flex; justify-content: space-between; border-top: 1px solid var(--line); font-size: .72rem; }
.footer-bottom p { margin: 0; }
.mobile-whatsapp { display: none; }

@media (max-width: 1020px) {
  .site-header { height: 76px; }
  .brand { width: 158px; height: 48px; }
  .menu-toggle { display: inline-flex; align-items: center; gap: 12px; }
  .site-nav { padding: 26px 4vw 30px; position: absolute; left: 0; right: 0; top: 76px; display: none; flex-direction: column; align-items: stretch; gap: 3px; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: 0 18px 30px rgba(6,47,40,.1); }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 13px 0; }
  .nav-cta { margin-top: 10px; padding: 15px; }
  .menu-toggle[aria-expanded="true"] .menu-icon i:first-child { transform: translateY(3px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .menu-icon i:last-child { transform: translateY(-3px) rotate(-45deg); }
  .hero { grid-template-columns: 1fr; }
  .hero-copy { min-height: 610px; }
  .hero-visual { min-height: 560px; }
  .intro { grid-template-columns: 1fr; gap: 38px; }
  .section-top { grid-template-columns: 1fr; gap: 34px; }
  .expertise-grid, .process-list { grid-template-columns: 1fr 1fr; }
  .expertise-grid article:nth-child(2), .process-list li:nth-child(2) { border-right: 0; }
  .expertise-grid article:nth-child(3), .process-list li:nth-child(3) { padding-left: 0; border-top: 1px solid var(--line-light); }
  .expertise-grid article:nth-child(4), .process-list li:nth-child(4) { border-top: 1px solid var(--line-light); }
  .work-heading { align-items: flex-start; flex-direction: column; gap: 25px; }
  .credentials { grid-template-columns: 1fr; gap: 56px; }
  .footer-main { grid-template-columns: 1.2fr 1fr 1fr; }
  .footer-main > div:last-child { grid-column: 2; }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 76px; }
  body { padding-bottom: 84px; }
  .utility-bar { display: none; }
  .hero { min-height: auto; }
  .hero-copy { min-height: 580px; padding: 78px 5vw 64px; }
  h1 { font-size: clamp(3.4rem,16vw,5rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-visual { min-height: 460px; }
  .hero-credential { width: 75%; }
  .trust-strip { grid-template-columns: 1fr; }
  .trust-strip > div, .trust-strip > div + div { min-height: 132px; padding: 26px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-strip > div:last-child { border-bottom: 0; }
  .intro, .expertise, .work, .process, .credentials, .contact { padding-left: 5vw; padding-right: 5vw; }
  .intro, .work { padding-top: 100px; padding-bottom: 110px; }
  .expertise, .process { padding-top: 96px; padding-bottom: 100px; }
  .intro-columns { grid-template-columns: 1fr; gap: 20px; }
  .expertise-grid, .process-list { grid-template-columns: 1fr; }
  .expertise-grid article, .expertise-grid article + article, .process-list li, .process-list li + li { min-height: 220px; padding: 26px 0; border-right: 0; border-top: 0; border-bottom: 1px solid var(--line-light); }
  .expertise-grid article:last-child, .process-list li:last-child { border-bottom: 0; }
  .project-wide figure { aspect-ratio: 4 / 5; }
  .project-info { grid-template-columns: 62px 1fr; }
  .project-type { display: none; }
  .project-pair { margin-top: 72px; grid-template-columns: 1fr; gap: 72px; }
  .project-shift { margin-top: 0; }
  .credentials { padding-top: 96px; padding-bottom: 96px; }
  .credentials dl > div { grid-template-columns: 1fr; gap: 6px; }
  .contact { padding-top: 100px; padding-bottom: 110px; }
  .contact h2 { font-size: clamp(3.2rem,15vw,5rem); }
  .contact-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  footer { padding: 54px 5vw 26px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 42px 24px; }
  .footer-main > .footer-brand { grid-column: 1 / -1; }
  .footer-main > div:last-child { grid-column: auto; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 10px; }
  .mobile-whatsapp { height: 60px; padding: 0 10px 0 20px; position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 30; display: flex; align-items: center; justify-content: space-between; color: var(--emerald-ink); background: var(--lime); border: 1px solid rgba(6,47,40,.14); border-radius: 14px; font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; box-shadow: 0 12px 34px rgba(6,47,40,.24); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

/* Architectural concept collection */
.hero { min-height: 700px; }
.hero-copy { padding: 84px 4vw 84px 5vw; }
h1 { font-size: clamp(3rem,4.8vw,5.9rem); line-height: 1.03; letter-spacing: -.045em; }
.hero-visual { min-height: 700px; }
.hero-visual > img { position: absolute; inset: 0; filter: none; }
.visual-caption { position: absolute; bottom: 24px; left: 24px; right: 24px; z-index: 2; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding: 14px 18px; background: rgba(6,47,40,.9); color: white; font-size: .875rem; }
.utility-bar, .site-nav, .menu-toggle, .kicker, .button, .section-label, .service-no, .process-list span, .credentials dt, .footer-label, .mobile-whatsapp { font-size: .875rem; }
.site-nav { letter-spacing: .035em; gap: 22px; }
.intro, .work { padding-top: 100px; padding-bottom: 100px; }
.expertise, .process { padding-top: 96px; padding-bottom: 96px; }
.expertise-grid p, .process-list p, .trust-strip p, footer a, footer address, .footer-main div > p:not(.footer-label) { font-size: 1rem; }
.expertise-grid p, .process-list p, .process-intro { color: #c8d4d0; }
.work .section-top { grid-template-columns: 1fr; gap: 26px; }
.work-heading { align-items: end; }
.work-heading > p { max-width: 440px; }
.concept-collection { display: grid; gap: 88px; }
.concept-row { display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(32px,5vw,80px); align-items: center; }
.concept-row figure { margin: 0; position: relative; }
.concept-row figure img { width: 100%; height: auto; aspect-ratio: 3/2; object-fit: cover; }
.concept-row figcaption { padding-top: 12px; color: var(--muted); font-size: .8125rem; }
.concept-row.reverse { grid-template-columns: 1fr 1.35fr; }
.concept-row.reverse figure { order: 2; }
.concept-number { color: var(--emerald); font-size: .875rem; font-weight: 600; letter-spacing: .08em; margin-bottom: 24px; }
.concept-copy h3 { font-family: var(--serif); font-size: clamp(2.4rem,3.7vw,4.5rem); font-weight: 400; line-height: 1.05; letter-spacing: -.035em; margin-bottom: 24px; }
.concept-copy > p:not(.concept-number) { color: var(--muted); max-width: 470px; }
.material-list { margin: 24px 0; padding: 0; display: flex; gap: 8px; flex-wrap: wrap; list-style: none; }
.material-list li { padding: 7px 12px; border: 1px solid var(--line); font-size: .875rem; }
.concept-link { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; border-bottom: 1px solid var(--emerald); color: var(--emerald); font-weight: 600; }
.concept-link span { font-size: 1.5rem; }
.concept-link:hover { color: var(--ink); }
.email-link, .footer-main a { overflow-wrap: anywhere; }
@media (max-width: 1100px) { .site-nav { gap: 14px; } }
@media (max-width: 1020px) { .hero-copy { min-height: auto; } .hero-visual { min-height: 540px; } .work-heading { align-items: flex-start; } .concept-row,.concept-row.reverse { gap: 32px; } }
@media (max-width: 720px) {
  .hero-copy { padding: 64px 5vw; }
  .hero-visual { min-height: 360px; }
  .visual-caption { left: 16px; right: 16px; bottom: 16px; }
  .concept-row, .concept-row.reverse { grid-template-columns: 1fr; gap: 24px; }
  .concept-row.reverse figure { order: 0; }
  .concept-collection { gap: 64px; }
  .concept-copy h3 { font-size: 2.8rem; }
  .concept-number { margin-bottom: 16px; }
  .hero { min-height: auto; }
  .hero-copy { min-height: auto; }
}

.visual-caption { border-radius: 16px; border: 1px solid rgba(255,255,255,.2); box-shadow: 0 8px 24px rgba(6,47,40,.18); backdrop-filter: blur(12px); padding: 16px 20px; }
.expertise-grid h3 a { text-decoration: underline; text-underline-offset: 7px; text-decoration-thickness: 1px; }
.service-page { max-width: 1500px; margin: auto; padding: 40px 6vw 96px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 12px; font-size: .875rem; margin-bottom: 48px; }
.breadcrumbs a { text-decoration: underline; }
.service-lead { display: grid; grid-template-columns: 1fr 1fr; gap: 6vw; align-items: center; }
.service-lead h1 { font-size: clamp(2.5rem,4.2vw,4.8rem); }
.service-lead figure { margin: 0; }
.service-lead img { width: 100%; height: auto; border-radius: 16px; }
.service-lead figcaption { font-size: .8125rem; color: var(--muted); padding-top: 10px; }
.service-lead p:not(.kicker), .service-details p, .service-faq p { color: var(--muted); line-height: 1.75; }
.service-details { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 40px; margin-top: 80px; border-top: 1px solid var(--line); padding-top: 40px; }
.service-page h2 { font-family: var(--serif); font-size: 2rem; line-height: 1.15; font-weight: 400; }
.service-faq, .related-services { max-width: 900px; margin: 64px auto 0; }
.service-faq details { border-bottom: 1px solid var(--line); padding: 20px 0; }
.service-faq summary { cursor: pointer; font-weight: 600; }
.service-faq details p { margin: 16px 0 0; }
@media(max-width: 800px) { .service-lead,.service-details { grid-template-columns: 1fr; } .service-lead { gap: 32px; } .service-details { gap: 24px; margin-top: 48px; } .service-page { padding-left: 5vw; padding-right: 5vw; } }