:root {
  --oc4-white: #fff;
  --oc4-marine: #0b2b3a;
  --oc4-marine-deep: #071f2a;
  --oc4-bronze: #a56d3a;
  --oc4-bronze-light: #c78e55;
  --oc4-sky: #d9e5eb;
  --oc4-line: #d8e1e5;
  --oc4-muted: #536a76;
  --oc4-serif: "Iowan Old Style", Baskerville, "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --oc4-sans: Inter, Avenir, "Avenir Next", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --oc4-gutter: clamp(22px, 4.6vw, 76px);
  --oc4-space: clamp(72px, 10vw, 156px);
  --oc4-max: 1600px;
}

.home { background: var(--oc4-white); color: var(--oc4-marine); }
.home .oc-header { position: relative; z-index: 50; border-bottom: 1px solid var(--oc4-line) !important; background: rgba(255,255,255,.97) !important; color: var(--oc4-marine); backdrop-filter: blur(14px); }
.home .oc-header__inner { width: min(100%, var(--oc4-max)); min-height: 92px; margin: 0 auto; padding: 0 var(--oc4-gutter); }
.home .oc-brand__mark { color: var(--oc4-bronze); border-color: transparent; font-family: var(--oc4-serif); font-size: 2rem; letter-spacing: -.08em; }
.home .oc-brand__name { color: var(--oc4-marine); font-family: var(--oc4-sans); font-size: .88rem; font-weight: 760; letter-spacing: .28em; text-transform: uppercase; }
.home .oc-nav { gap: clamp(18px, 2.5vw, 38px); }
.home .oc-nav > a:not(.oc-button) { color: var(--oc4-marine); font: 650 .78rem/1 var(--oc4-sans); letter-spacing: .02em; }
.home .oc-nav > a:not(.oc-button)::after { background: var(--oc4-bronze); }
.home .oc-nav .oc-button { border: 1px solid var(--oc4-bronze) !important; border-radius: 0 !important; background: var(--oc4-bronze) !important; color: #fff !important; font: 700 .76rem/1 var(--oc4-sans) !important; letter-spacing: .02em; box-shadow: none !important; }

.oc4-page, .oc4-page * { box-sizing: border-box; }
.oc4-page { overflow: clip; background: var(--oc4-white); color: var(--oc4-marine); font-family: var(--oc4-sans); }
.oc4-page h1, .oc4-page h2, .oc4-page h3, .oc4-page p, .oc4-page figure, .oc4-page ol, .oc4-page ul { margin: 0; }
.oc4-page h1, .oc4-page h2, .oc4-page h3 { color: var(--oc4-marine); font-family: var(--oc4-serif); font-weight: 400; }
.oc4-page img { display: block; width: 100%; height: 100%; object-fit: cover; }
.oc4-page a { color: inherit; }
.oc4-shell { width: min(100%, var(--oc4-max)); margin: 0 auto; padding-inline: var(--oc4-gutter); }
.oc4-rule { display: block; width: 74px; height: 2px; margin-bottom: clamp(28px, 4vw, 56px); background: var(--oc4-bronze); }

.oc4-hero { display: grid; grid-template-columns: minmax(360px, .78fr) minmax(0, 1.22fr); width: min(100%, var(--oc4-max)); min-height: min(690px, calc(100svh - 92px)); margin: 0 auto; }
.oc4-hero__copy { display: flex; align-items: flex-start; flex-direction: column; justify-content: center; padding: clamp(72px, 8vw, 132px) clamp(34px, 4vw, 72px) clamp(72px, 8vw, 132px) var(--oc4-gutter); }
.oc4-hero h1 { max-width: 9.6ch; font-size: clamp(3.8rem, 5.8vw, 6.7rem); line-height: .9; letter-spacing: -.055em; }
.oc4-hero__copy > p { max-width: 31rem; margin-top: clamp(24px, 3vw, 38px); color: var(--oc4-muted); font-size: clamp(1rem, 1.25vw, 1.2rem); line-height: 1.58; }
.oc4-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.oc4-button { display: inline-flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 54px; padding: 0 20px; border: 1px solid var(--oc4-bronze); border-radius: 0; font-size: .8rem; font-weight: 700; text-decoration: none; transition: background-color .25s ease, color .25s ease, transform .25s ease; }
.oc4-button:hover, .oc4-button:focus-visible { transform: translateY(-2px); }
.oc4-button:focus-visible, .oc4-text-link:focus-visible, .oc4-briefs a:focus-visible { outline: 2px solid var(--oc4-bronze); outline-offset: 4px; }
.oc4-button--solid { background: var(--oc4-bronze); color: #fff !important; }
.oc4-button--solid:hover { background: var(--oc4-marine); border-color: var(--oc4-marine); }
.oc4-button--outline { background: transparent; color: var(--oc4-marine); }
.oc4-button--outline:hover { background: var(--oc4-marine); border-color: var(--oc4-marine); color: #fff; }
.oc4-hero__media { min-width: 0; min-height: 640px; }
.oc4-hero__media img { object-position: 47% center; }
.oc4-hero__media figcaption { display: flex; align-items: center; justify-content: flex-end; gap: 20px; min-height: 54px; padding: 0 34px; color: var(--oc4-muted); font-size: .62rem; font-weight: 700; letter-spacing: .3em; text-transform: uppercase; }
.oc4-hero__media figcaption span { width: 70px; height: 1px; background: var(--oc4-muted); }

.oc4-systems { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); width: min(100%, var(--oc4-max)); margin: 0 auto; padding-top: var(--oc4-space); }
.oc4-systems__content { padding: 0 clamp(36px, 5vw, 86px) var(--oc4-space) var(--oc4-gutter); }
.oc4-systems h2, .oc4-environments h2 { font-size: clamp(3rem, 5vw, 5.8rem); line-height: .96; letter-spacing: -.045em; }
.oc4-lede { max-width: 37rem; margin-top: 32px !important; color: var(--oc4-muted); font-size: 1.05rem; line-height: 1.68; }
.oc4-services { margin-top: 38px !important; padding: 0; list-style: none; border-top: 1px solid var(--oc4-line); }
.oc4-services li, .oc4-environments li { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--oc4-line); }
.oc4-services strong { display: block; font: 400 clamp(1.15rem, 1.7vw, 1.55rem)/1.15 var(--oc4-serif); }
.oc4-services small { display: block; margin-top: 5px; color: var(--oc4-muted); font-size: .9rem; }
.oc4-services svg, .oc4-environments svg, .oc4-briefs svg { width: 22px; flex: 0 0 22px; fill: none; stroke: var(--oc4-bronze); stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.5; transition: transform .22s ease; }
.oc4-services li:hover svg, .oc4-environments li:hover svg, .oc4-briefs a:hover svg { transform: translateX(5px); }
.oc4-systems__media { min-height: 720px; }

.oc4-process { position: relative; background: var(--oc4-marine); color: #fff; }
.oc4-process .oc4-shell { padding-block: clamp(82px, 9vw, 136px); }
.oc4-process h2 { max-width: 1100px; color: #fff; font-size: clamp(3rem, 5.2vw, 5.7rem); line-height: .98; letter-spacing: -.045em; }
.oc4-process__steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(26px, 4vw, 68px); margin-top: clamp(56px, 7vw, 94px) !important; padding: 0; list-style: none; }
.oc4-process__steps li { position: relative; padding-top: 24px; border-top: 1px solid rgba(199,142,85,.75); }
.oc4-process__steps li::before { position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border: 1px solid var(--oc4-bronze-light); border-radius: 50%; background: var(--oc4-marine); content: ""; }
.oc4-process__number { display: block; color: var(--oc4-bronze-light); font: 400 clamp(3.8rem, 6vw, 6.7rem)/.9 var(--oc4-serif); letter-spacing: -.05em; }
.oc4-process h3 { margin-top: 18px; color: #fff; font-size: clamp(1.5rem, 2vw, 2rem); }
.oc4-process li p { max-width: 15rem; margin-top: 12px; color: rgba(255,255,255,.72); font-size: .94rem; line-height: 1.55; }

.oc4-environments { display: grid; grid-template-columns: 1.08fr .92fr; width: min(100%, var(--oc4-max)); min-height: 730px; margin: 0 auto; }
.oc4-environments__media { min-height: 640px; }
.oc4-environments__content { display: flex; flex-direction: column; justify-content: center; padding: var(--oc4-space) var(--oc4-gutter) var(--oc4-space) clamp(40px, 6vw, 96px); }
.oc4-environments ul { margin-top: 38px !important; padding: 0; list-style: none; }
.oc4-environments li { color: var(--oc4-marine); font-size: clamp(1rem, 1.4vw, 1.2rem); }

.oc4-insights { display: grid; grid-template-columns: 1fr 1fr; width: min(100%, var(--oc4-max)); margin: 0 auto; background: linear-gradient(90deg, #f6f9fa, #fff); }
.oc4-insights > div { min-height: 650px; padding: clamp(72px, 8vw, 124px) var(--oc4-gutter); }
.oc4-insights__knowledge { border-right: 1px solid var(--oc4-line); }
.oc4-section-label { margin-bottom: 18px !important; color: var(--oc4-marine); font-size: .67rem; font-weight: 800; letter-spacing: .23em; text-transform: uppercase; }
.oc4-insights .oc4-rule { width: 40px; margin-bottom: 36px; }
.oc4-insights h2 { max-width: 12ch; font-size: clamp(2.7rem, 4vw, 4.8rem); line-height: .98; letter-spacing: -.04em; }
.oc4-insights__platform > p:not(.oc4-section-label) { max-width: 33rem; margin-top: 28px; color: var(--oc4-muted); font-size: 1.02rem; line-height: 1.6; }
.oc4-briefs { margin-top: 38px; border-top: 1px solid var(--oc4-line); }
.oc4-briefs a { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--oc4-line); font-size: .94rem; text-decoration: none; }
.oc4-text-link { display: inline-flex; gap: 24px; margin-top: 30px; padding-bottom: 7px; border-bottom: 1px solid var(--oc4-bronze); color: var(--oc4-marine); font-size: .82rem; font-weight: 700; text-decoration: none; }
.oc4-platform-flow { display: grid; grid-template-columns: auto 1fr auto 1fr auto 1fr auto; align-items: center; gap: 12px; margin-top: 70px; color: var(--oc4-bronze); font: 700 .67rem/1 var(--oc4-sans); letter-spacing: .12em; text-transform: uppercase; }
.oc4-platform-flow i { display: block; height: 1px; background: var(--oc4-line); }

.oc4-contact { position: relative; min-height: 470px; padding: clamp(86px, 10vw, 150px) var(--oc4-gutter); overflow: hidden; background: var(--oc4-marine); color: #fff; }
.oc4-contact::after { position: absolute; right: -7vw; bottom: -26vw; width: min(56vw, 740px); aspect-ratio: 1; border: 1px solid rgba(199,142,85,.16); border-radius: 50%; box-shadow: 0 0 0 7vw rgba(199,142,85,.035), 0 0 0 15vw rgba(199,142,85,.025); content: ""; }
.oc4-contact > div { position: relative; z-index: 1; width: min(100%, var(--oc4-max)); margin: 0 auto; }
.oc4-contact h2 { color: #fff; font-size: clamp(3.5rem, 6vw, 6.8rem); line-height: .94; letter-spacing: -.05em; }
.oc4-contact p { margin-top: 22px; color: rgba(255,255,255,.73); font-size: clamp(1rem, 1.4vw, 1.18rem); }
.oc4-contact .oc4-button { margin-top: 34px; }
.oc4-contact .oc4-button:hover { background: #fff; border-color: #fff; color: var(--oc4-marine) !important; }

.home .oc-footer { border-top: 0; background: #fff; color: var(--oc4-marine); font-family: var(--oc4-sans); }
.home .oc-footer__inner, .home .oc-footer__base { width: min(100%, var(--oc4-max)); margin: 0 auto; padding-inline: var(--oc4-gutter); }
.home .oc-footer__inner { display: grid; grid-template-columns: auto minmax(280px, 1fr) auto; align-items: start; gap: clamp(34px, 6vw, 92px); padding-block: 58px 44px; border-bottom: 1px solid var(--oc4-line); }
.home .oc-brand--footer { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.home .oc-brand--footer::before, .home .oc-brand--footer::after { display: none; content: none; }
.home .oc-footer .oc-brand__mark { display: inline; border: 0; color: var(--oc4-bronze); font: 400 1.7rem/1 var(--oc4-serif); }
.home .oc-footer .oc-brand__name { color: var(--oc4-marine); font: 760 .72rem/1 var(--oc4-sans); letter-spacing: .22em; text-transform: uppercase; }
.home .oc-footer .oc-brand__mark::before, .home .oc-footer .oc-brand__mark::after, .home .oc-footer .oc-brand__name::before, .home .oc-footer .oc-brand__name::after { display: none !important; content: none !important; }
.home .oc-footer__nav { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: center; }
.home .oc-footer__nav a, .home .oc-footer__nav button { padding: 0; border: 0; background: transparent; font: 650 .72rem/1.4 var(--oc4-sans); text-decoration: none; }
.home .oc-footer__address { display: grid; gap: 8px; font: normal .74rem/1.45 var(--oc4-sans); }
.home .oc-footer__base { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 22px 28px; color: var(--oc4-muted); font: 650 .62rem/1.4 var(--oc4-sans); letter-spacing: .12em; text-transform: uppercase; }
.home .oc-footer a, .home .oc-footer button, .home .oc-footer address { color: var(--oc4-muted); }

[data-oc4-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .75s cubic-bezier(.2,.7,.2,1), transform .75s cubic-bezier(.2,.7,.2,1); }
[data-oc4-reveal].is-visible { opacity: 1; transform: none; }

@media (max-width: 1040px) {
  .oc4-hero { grid-template-columns: .9fr 1.1fr; }
  .oc4-hero h1 { font-size: clamp(3.5rem, 7vw, 5.5rem); }
  .oc4-systems, .oc4-environments { grid-template-columns: 1fr 1fr; }
  .oc4-process__steps { grid-template-columns: repeat(2, 1fr); }
  .oc4-insights > div { min-height: auto; }
}

@media (max-width: 900px) {
  .home .oc-header { position: sticky; top: 0; }
  .home .oc-header__inner { min-height: 70px; }
  .home .oc-menu-toggle { border-color: var(--oc4-marine) !important; background: var(--oc4-white) !important; box-shadow: none !important; }
  .home .oc-menu-toggle span:not(.screen-reader-text) { background: var(--oc4-marine) !important; }
  .home .oc-nav { border-color: var(--oc4-line) !important; background: #fff !important; color: var(--oc4-marine); box-shadow: 0 18px 42px rgba(7,31,42,.12) !important; }
  .home .oc-nav > a:not(.oc-button) { color: var(--oc4-marine); }
}

@media (max-width: 760px) {
  .oc4-hero, .oc4-systems, .oc4-environments, .oc4-insights { grid-template-columns: 1fr; }
  .oc4-hero { min-height: 0; }
  .oc4-hero__copy { padding: 72px var(--oc4-gutter) 58px; }
  .oc4-hero h1 { font-size: clamp(3.6rem, 16vw, 5.7rem); }
  .oc4-hero__media { min-height: 57svh; }
  .oc4-hero__media figcaption { padding-inline: var(--oc4-gutter); }
  .oc4-systems { padding-top: 84px; }
  .oc4-systems__content { padding: 0 var(--oc4-gutter) 72px; }
  .oc4-systems__media { min-height: 56svh; }
  .oc4-process__steps { grid-template-columns: 1fr; gap: 44px; }
  .oc4-process__steps li { display: grid; grid-template-columns: 88px 1fr; column-gap: 18px; }
  .oc4-process__number { grid-row: 1 / span 2; }
  .oc4-process h3 { margin-top: 0; }
  .oc4-process li p { margin-top: 8px; }
  .oc4-environments__media { min-height: 56svh; }
  .oc4-environments__content { padding: 76px var(--oc4-gutter); }
  .oc4-insights__knowledge { border-right: 0; border-bottom: 1px solid var(--oc4-line); }
  .oc4-insights > div { min-height: 0; padding-block: 76px; }
  .oc4-platform-flow { margin-top: 48px; }
  .oc4-contact { min-height: 420px; }
  .home .oc-footer__inner { grid-template-columns: 1fr; }
  .home .oc-footer__nav { justify-content: flex-start; }
}

@media (max-width: 480px) {
  .home .oc-brand__mark { font-size: 1.65rem; }
  .home .oc-brand__name { font-size: .72rem; letter-spacing: .21em; }
  .oc4-hero__copy { padding-top: 58px; }
  .oc4-hero h1 { font-size: clamp(3.3rem, 17vw, 4.8rem); }
  .oc4-actions { align-items: stretch; flex-direction: column; width: 100%; }
  .oc4-button { width: 100%; }
  .oc4-hero__media { min-height: 470px; }
  .oc4-hero__media figcaption { justify-content: flex-start; font-size: .55rem; }
  .oc4-services li, .oc4-environments li { padding-block: 16px; }
  .oc4-process h2 { font-size: 3.25rem; }
  .oc4-platform-flow { grid-template-columns: 1fr; gap: 14px; }
  .oc4-platform-flow i { width: 1px; height: 20px; margin-left: 10px; }
  .home .oc-footer__base { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  [data-oc4-reveal] { opacity: 1; transform: none; transition: none; }
  .oc4-button, .oc4-services svg, .oc4-environments svg, .oc4-briefs svg { transition: none; }
}