:root {
  color-scheme: dark;
  --ink: #071d33;
  --paper: #f2f5f7;
  --paper-2: #e2e9ee;
  --white: #fffef8;
  --acid: #f5a313;
  --line-dark: rgba(7, 29, 51, .16);
  --line-light: rgba(255, 255, 255, .18);
  --max: 1440px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--ink); color: var(--white); font-family: Inter, "Helvetica Neue", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.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; left: 1rem; top: -5rem; z-index: 100; background: var(--acid); color: var(--ink); padding: .8rem 1rem; font-weight: 800; }
.skip-link:focus { top: 1rem; }

.site-header { position: absolute; inset: 0 0 auto; z-index: 20; height: 88px; display: flex; align-items: center; justify-content: space-between; width: min(100% - 8vw, var(--max)); margin: auto; border-bottom: 1px solid var(--line-light); }
.brand { display: inline-flex; align-items: center; gap: .75rem; text-decoration: none; }
.brand-logo { display: block; width: 132px; height: 74px; object-fit: contain; background: #fff; border-radius: 2px; }
.footer-logo { display: block; width: 235px; height: auto; border-radius: 2px; }
.site-nav { display: flex; align-items: center; gap: 1.55rem; }
.site-nav a { position: relative; text-decoration: none; font-size: .88rem; font-weight: 700; }
.site-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -.45rem; height: 2px; background: var(--acid); transition: right .25s ease; }
.site-nav > a:not(.nav-cta):hover::after, .site-nav > a:not(.nav-cta):focus-visible::after { right: 0; }
.nav-cta { display: inline-flex; align-items: center; gap: .8rem; border: 1px solid rgba(255,255,255,.65); padding: .72rem 1rem; transition: background .2s, color .2s; }
.nav-cta:hover, .nav-cta:focus-visible { background: var(--acid); border-color: var(--acid); color: var(--ink); }
.language-switcher { display: inline-flex; align-items: stretch; overflow: hidden; border: 1px solid rgba(255,255,255,.38); border-radius: 2px; }
.language-button { min-width: 38px; padding: .63rem .5rem; border: 0; border-right: 1px solid rgba(255,255,255,.2); background: rgba(4,17,31,.28); color: rgba(255,255,255,.72); cursor: pointer; font: inherit; font-size: .68rem; font-weight: 850; letter-spacing: .03em; transition: background .2s, color .2s; }
.language-button:last-child { border-right: 0; }
.language-button:hover, .language-button:focus-visible { color: var(--white); background: rgba(255,255,255,.14); outline: none; }
.language-button.active { background: var(--acid); color: var(--ink); }
.menu-toggle { display: none; }

.hero { position: relative; min-height: 100svh; display: grid; align-items: end; isolation: isolate; padding: 11rem max(4vw, calc((100vw - var(--max))/2)) 4.5rem; background: #0d2b47 center/cover no-repeat; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -3; background: linear-gradient(135deg, #071d33 5%, #123a5e 55%, #415b70 100%); }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -2; background-image: url("./assets/project-steel-structure.webp"); background-size: cover; background-position: center; opacity: 0; transition: opacity .5s ease; }
.hero.image-ready::after { opacity: 1; }
.hero-shade { position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(4,20,36,.96) 0%, rgba(4,20,36,.73) 48%, rgba(4,20,36,.32) 72%, rgba(4,20,36,.55) 100%), linear-gradient(0deg, rgba(4,20,36,.78), transparent 56%); }
.hero-grid { position: absolute; inset: 88px 4vw 0; z-index: -1; border-inline: 1px solid rgba(255,255,255,.08); background: linear-gradient(90deg, transparent 49.9%, rgba(255,255,255,.07) 50%, transparent 50.1%); pointer-events: none; }
.hero-content { max-width: 1050px; }
.eyebrow, .kicker { margin: 0 0 1.5rem; text-transform: uppercase; letter-spacing: .18em; font-size: .74rem; font-weight: 850; }
.eyebrow { display: flex; align-items: center; gap: .8rem; color: var(--acid); }
.eyebrow > span:first-child { flex: 0 0 2rem; width: 2rem; height: 2px; background: currentColor; }
h1, h2, h3, p { text-wrap: pretty; }
h1 { max-width: 1000px; margin: 0; font-size: clamp(4rem, 9.5vw, 9.4rem); line-height: .84; letter-spacing: -.083em; font-weight: 850; }
h1 em { color: var(--acid); font-style: normal; }
.hero-intro { max-width: 650px; margin: 2rem 0 0; color: rgba(255,255,255,.8); font-size: clamp(1.05rem, 1.6vw, 1.35rem); line-height: 1.6; }
.hero-actions { display: flex; align-items: center; gap: 2rem; margin-top: 2.4rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 1.4rem; min-height: 54px; padding: .9rem 1.2rem; border: 1px solid transparent; text-decoration: none; font-weight: 850; transition: transform .2s, background .2s; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-primary { background: var(--acid); color: var(--ink); }
.text-link { display: inline-flex; align-items: center; gap: .8rem; padding-block: .6rem; text-decoration: none; border-bottom: 1px solid currentColor; font-size: .92rem; font-weight: 800; }
.text-link.dark { color: var(--ink); }
.hero-note { position: absolute; right: max(4vw, calc((100vw - var(--max))/2)); bottom: 4.5rem; width: 250px; padding-left: 1.2rem; border-left: 2px solid var(--acid); }
.hero-note span { display: block; margin-bottom: .55rem; color: var(--acid); font-size: .72rem; font-weight: 900; }
.hero-note p { margin: 0; color: rgba(255,255,255,.72); font-size: .79rem; line-height: 1.55; }
.image-disclosure { position: absolute; right: 1rem; bottom: 1rem; margin: 0; color: rgba(255,255,255,.48); font-size: .7rem; letter-spacing: .04em; }

.proof { display: grid; grid-template-columns: .8fr 1fr 1.5fr; max-width: var(--max); margin: auto; background: var(--acid); color: var(--ink); }
.fact { min-height: 150px; display: grid; align-content: center; padding: 1.8rem 2.3rem; border-right: 1px solid rgba(7,29,51,.23); }
.fact:last-child { border: 0; }
.fact strong { font-size: clamp(1.8rem, 3vw, 3rem); letter-spacing: -.06em; }
.fact span { margin-top: .45rem; font-size: .76rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }

.section { padding: clamp(5.5rem, 10vw, 9rem) max(4vw, calc((100vw - var(--max))/2)); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(260px, .6fr); gap: 5vw; align-items: end; margin-bottom: clamp(3rem, 6vw, 5.5rem); }
.section-heading .kicker { grid-column: 1/-1; margin-bottom: -1.5rem; color: #5f6654; }
.section-heading h2, .about-copy h2, .commitments h2, .contact h2 { margin: 0; color: var(--ink); font-size: clamp(2.8rem, 6vw, 6rem); line-height: .92; letter-spacing: -.067em; }
.section-heading > p:last-child { margin: 0; color: #55594f; font-size: 1.05rem; line-height: 1.65; }
.services { background: var(--paper); color: var(--ink); }
.service-list { border-top: 1px solid var(--line-dark); }
.service-card { display: grid; grid-template-columns: 70px minmax(0, 1fr) auto; align-items: center; gap: 2rem; min-height: 180px; border-bottom: 1px solid var(--line-dark); transition: padding .25s, background .25s; }
.service-card:hover { padding-inline: 1.2rem; background: rgba(255,255,255,.55); }
.service-number { align-self: start; padding-top: 2.4rem; color: #777d6d; font-weight: 850; font-size: .74rem; }
.service-card > div { display: grid; grid-template-columns: minmax(220px, .6fr) minmax(260px, 1fr); gap: 4vw; align-items: center; }
.service-card h3 { margin: 0; font-size: clamp(1.7rem, 3vw, 2.7rem); letter-spacing: -.045em; }
.service-card p { max-width: 530px; margin: 0; color: #5a5e53; line-height: 1.7; }
.card-arrow { font-size: 1.7rem; }

.projects { background: #071d33; }
.project-grid { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: 265px; gap: 1rem; }
.project-card { position: relative; grid-column: span 4; margin: 0; overflow: hidden; background: #173b5c; }
.project-card.project-wide { grid-column: span 8; }
.project-card.project-tall { grid-row: span 2; }
.project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease, filter .55s ease; }
.project-card::after { content: ""; position: absolute; inset: 35% 0 0; background: linear-gradient(transparent, rgba(3,16,29,.88)); pointer-events: none; }
.project-card:hover img { transform: scale(1.035); filter: saturate(1.08); }
.project-card figcaption { position: absolute; z-index: 1; left: 1.25rem; right: 1.25rem; bottom: 1.2rem; display: grid; gap: .28rem; }
.project-card figcaption span { color: var(--acid); font-size: .68rem; font-weight: 850; letter-spacing: .15em; text-transform: uppercase; }
.project-card figcaption strong { font-size: 1.1rem; letter-spacing: -.02em; }

.about { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr); min-height: 850px; padding: 0; background: var(--white); color: var(--ink); }
.about-visual { position: relative; min-height: 680px; overflow: hidden; background: linear-gradient(135deg, #8e8a7e, #d6d3c9); }
.about-image { position: absolute; inset: 0; background: url("./assets/project-office-interior.webp") center/cover no-repeat; opacity: 0; transition: opacity .5s ease; }
.about-image.image-ready { opacity: 1; }
.visual-stamp { position: absolute; right: 0; bottom: 0; display: grid; width: min(240px, 42%); aspect-ratio: 1; place-content: center; background: var(--acid); color: var(--ink); text-align: center; }
.visual-stamp strong { font-size: 3.5rem; letter-spacing: -.09em; }
.visual-stamp span { margin-top: .45rem; font-size: .72rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 800; }
.about-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(4rem, 8vw, 8rem); }
.about-copy .kicker { color: #666c5b; }
.about-copy h2 { font-size: clamp(3rem, 5vw, 5rem); }
.about-copy .lead { margin: 2.5rem 0 1rem; color: #23261f; font-size: 1.2rem; line-height: 1.65; }
.about-copy > p:not(.kicker):not(.lead) { margin: 0 0 2rem; color: #5d6156; line-height: 1.75; }
.about-copy .text-link { align-self: flex-start; }

.approach { background: var(--ink); }
.section-heading.inverse .kicker { color: var(--acid); }
.section-heading.inverse h2 { color: var(--white); }
.section-heading.inverse > p:last-child { color: rgba(255,255,255,.58); }
.steps { display: grid; grid-template-columns: repeat(4,1fr); margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); }
.steps li { min-height: 310px; padding: 2rem; border-right: 1px solid var(--line-light); }
.steps li:last-child { border: 0; }
.steps span { color: var(--acid); font-size: .74rem; font-weight: 850; }
.steps h3 { margin: 7rem 0 .8rem; font-size: 1.5rem; letter-spacing: -.03em; }
.steps p { margin: 0; color: rgba(255,255,255,.58); line-height: 1.6; }

.commitments { background: var(--paper-2); color: var(--ink); }
.commitments-copy { max-width: 1000px; }
.commitments-copy .kicker { color: #666c5b; }
.commitments-copy h2 { font-size: clamp(3rem, 6vw, 6.4rem); }
.commitment-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: clamp(4rem,8vw,7rem); background: var(--line-dark); border: 1px solid var(--line-dark); }
.commitment-grid article { min-height: 330px; padding: 2.3rem; background: var(--paper-2); }
.icon { display: grid; place-items: center; width: 52px; height: 52px; background: var(--ink); color: var(--acid); font-size: 1.5rem; }
.commitment-grid h3 { margin: 7rem 0 .8rem; font-size: 1.45rem; }
.commitment-grid p { margin: 0; color: #5a5e53; line-height: 1.65; }

.contact { position: relative; min-height: 650px; display: grid; align-items: center; isolation: isolate; overflow: hidden; background: #0d3152; }
.contact-bg { position: absolute; inset: 0; z-index: -2; background: linear-gradient(120deg,#0d3152,#041525); }
.contact::after { content: "CKY"; position: absolute; right: -3vw; bottom: -10vw; z-index: -1; color: rgba(245,163,19,.12); font-size: clamp(15rem, 38vw, 42rem); line-height: .7; font-weight: 950; letter-spacing: -.12em; pointer-events: none; }
.contact-copy { max-width: 850px; }
.contact-copy .kicker { color: var(--acid); }
.contact h2 { color: var(--white); }
.contact-copy p:not(.kicker) { max-width: 590px; margin: 2rem 0; color: rgba(255,255,255,.68); font-size: 1.08rem; line-height: 1.7; }
.contact-actions { display: flex; flex-wrap: wrap; gap: .9rem; }
.button-outline { border-color: rgba(255,255,255,.65); color: var(--white); }
.button-outline:hover, .button-outline:focus-visible { background: var(--white); color: var(--ink); }

.site-footer { display: grid; grid-template-columns: 1.4fr 1fr .8fr; gap: 4rem; padding: 5rem max(4vw, calc((100vw - var(--max))/2)) 2rem; background: #04111f; }
.footer-brand > p { max-width: 330px; margin: 1.5rem 0 0; color: rgba(255,255,255,.45); line-height: 1.6; }
.footer-column h2 { margin: 0 0 1.4rem; color: rgba(255,255,255,.4); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; }
.footer-column p { color: rgba(255,255,255,.48); font-size: .86rem; line-height: 1.6; }
.footer-column p strong { color: rgba(255,255,255,.82); font-weight: 700; }
.footer-column > a { display: block; width: fit-content; margin: 0 0 1rem; text-underline-offset: .3rem; font-size: .9rem; font-weight: 700; }
.footer-bottom { grid-column: 1/-1; display: flex; justify-content: space-between; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.37); font-size: .74rem; letter-spacing: .05em; text-transform: uppercase; }
.whatsapp-float { position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 30; display: inline-flex; align-items: center; gap: .65rem; min-height: 54px; padding: .75rem 1rem; border-radius: 999px; background: #25d366; color: #062c18; box-shadow: 0 12px 34px rgba(0,0,0,.28); text-decoration: none; font-size: .86rem; font-weight: 900; transition: transform .2s ease, box-shadow .2s ease; }
.whatsapp-float svg { width: 25px; height: 25px; fill: currentColor; }
.whatsapp-float:hover, .whatsapp-float:focus-visible { transform: translateY(-3px); box-shadow: 0 16px 38px rgba(0,0,0,.34); }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { opacity: 1; transform: none; transition: none; } }

@media (max-width: 1160px) and (min-width: 721px) {
  .site-nav { gap: .78rem; }
  .site-nav a { font-size: .78rem; }
  .nav-cta { padding-inline: .75rem; }
  .language-button { min-width: 32px; padding-inline: .36rem; }
}

@media (max-width: 980px) {
  .hero-note { display: none; }
  .hero-content { max-width: 830px; }
  .section-heading { grid-template-columns: 1fr; }
  .section-heading .kicker { margin-bottom: -1rem; }
  .service-card > div { grid-template-columns: 1fr; gap: .7rem; }
  .about { grid-template-columns: 1fr; }
  .about-visual { min-height: 72vw; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps li:nth-child(2) { border-right: 0; }
  .steps li:nth-child(-n+2) { border-bottom: 1px solid var(--line-light); }
  .commitment-grid { grid-template-columns: 1fr; }
  .commitment-grid article { min-height: 260px; }
  .commitment-grid h3 { margin-top: 4rem; }
  .project-card { grid-column: span 6; }
  .project-card.project-wide { grid-column: span 12; }
}
@media (max-width: 720px) {
  .site-header { width: calc(100% - 2.4rem); height: 76px; }
  .brand-logo { width: 104px; height: 60px; }
  .menu-toggle { position: relative; z-index: 2; display: grid; place-content: center; gap: 7px; width: 48px; height: 48px; padding: 0; border: 1px solid rgba(255,255,255,.4); background: rgba(4,17,31,.35); color: white; }
  .menu-toggle span:not(.sr-only) { display: block; width: 20px; height: 2px; background: currentColor; transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span:nth-last-child(2) { transform: translateY(4.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }
  .site-nav { position: fixed; inset: 0; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 1.6rem; padding: 6rem 2rem; background: #071d33; transform: translateX(100%); transition: transform .3s ease; }
  .site-nav.open { transform: translateX(0); }
  .site-nav a { font-size: 1.8rem; letter-spacing: -.04em; }
  .site-nav .nav-cta { margin-top: 1rem; font-size: 1rem; }
  .language-switcher { margin-top: .45rem; }
  .language-button { min-width: 52px; padding: .75rem .7rem; font-size: .82rem; }
  .hero { min-height: 780px; padding: 8rem 1.2rem 3rem; background-position: 62% center; }
  .hero-grid { inset: 76px 1.2rem 0; }
  h1 { font-size: clamp(3.7rem, 19vw, 6rem); line-height: .85; }
  .hero-intro { margin-top: 1.5rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 1rem; }
  .proof { grid-template-columns: 1fr 1fr; }
  .fact { min-height: 125px; padding: 1.3rem; }
  .fact:nth-child(2) { border-right: 0; }
  .fact-wide { grid-column: 1/-1; border-top: 1px solid rgba(7,29,51,.23); }
  .section { padding: 5.5rem 1.2rem; }
  .section-heading h2, .about-copy h2, .commitments h2, .contact h2 { font-size: clamp(2.9rem, 14vw, 4.7rem); }
  .section-heading { margin-bottom: 3rem; }
  .service-card { grid-template-columns: 34px minmax(0,1fr); min-height: 190px; gap: .5rem; }
  .service-card > div { padding-block: 1.8rem; }
  .service-number { padding-top: 2.2rem; }
  .card-arrow { display: none; }
  .project-grid { grid-template-columns: 1fr; grid-auto-rows: 260px; }
  .project-card, .project-card.project-wide { grid-column: 1; }
  .project-card.project-tall { grid-row: span 1; }
  .about-visual { min-height: 105vw; }
  .about-copy { padding: 5.5rem 1.2rem; }
  .steps { grid-template-columns: 1fr; }
  .steps li { min-height: 235px; border-right: 0; border-bottom: 1px solid var(--line-light); }
  .steps li:nth-child(3) { border-bottom: 1px solid var(--line-light); }
  .steps h3 { margin-top: 4rem; }
  .commitment-grid article { padding: 1.7rem; }
  .contact { min-height: 620px; }
  .site-footer { grid-template-columns: 1fr; gap: 2.5rem; padding: 4rem 1.2rem 1.5rem; }
  .footer-bottom { flex-direction: column; gap: .7rem; margin-top: 1rem; }
  .whatsapp-float { right: .9rem; bottom: .9rem; width: 54px; padding: 0; justify-content: center; }
  .whatsapp-float span { display: none; }
}