* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--oah-ink);
  background: var(--oah-ivory);
  font-family: var(--oah-font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid rgba(216,154,27,.45); outline-offset: 3px; }

.oah-container { width: min(calc(100% - 40px), var(--oah-container)); margin-inline: auto; }
.oah-section { padding: 84px 0; }
.oah-section--tight { padding: 52px 0; }
.oah-section--dark { color: var(--oah-white); background: var(--oah-charcoal); }
.oah-section--navy { color: var(--oah-white); background: var(--oah-navy); }
.oah-section--white { background: var(--oah-white); }
.oah-section--pattern {
  background-color: var(--oah-ivory);
  background-image: linear-gradient(rgba(216,154,27,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(216,154,27,.06) 1px, transparent 1px);
  background-size: 32px 32px;
}
.oah-eyebrow { margin: 0 0 12px; color: var(--oah-gold); font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.oah-title { margin: 0; color: var(--oah-navy); font-family: var(--oah-font-display); font-size: clamp(2rem, 5vw, 4.6rem); line-height: 1.04; letter-spacing: -.025em; }
.oah-title--light { color: var(--oah-white); }
.oah-heading { margin: 0 0 12px; color: var(--oah-navy); font-family: var(--oah-font-display); font-size: clamp(1.7rem, 3vw, 2.7rem); line-height: 1.12; }
.oah-heading--light { color: var(--oah-white); }
.oah-lead { max-width: 720px; margin: 18px 0 0; color: var(--oah-muted); font-size: 1.08rem; }
.oah-lead--light { color: rgba(255,255,255,.75); }
.oah-rule { width: 72px; height: 3px; margin: 18px 0 0; background: var(--oah-gold); }
.oah-grid { display: grid; gap: 24px; }
.oah-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.oah-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.oah-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* Header */
.oah-header {
  position: sticky; top: 0; z-index: 50;
  min-height: var(--oah-header-height);
  color: var(--oah-white);
  background: rgba(11, 11, 14, .94);
  border-bottom: 1px solid rgba(216,154,27,.6);
  backdrop-filter: blur(14px);
}
.oah-header__inner { min-height: var(--oah-header-height); display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.oah-brand { display: inline-flex; align-items: center; min-width: 210px; }
.oah-brand img { width: 235px; height: 64px; object-fit: contain; object-position: left center; }
.oah-nav { display: flex; align-items: center; gap: 26px; }
.oah-nav a { position: relative; padding: 29px 0 25px; font-size: .84rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.oah-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 20px; height: 2px; background: var(--oah-gold); transition: right var(--oah-transition); }
.oah-nav a:hover::after, .oah-nav a[aria-current="page"]::after { right: 0; }
.oah-header__actions { display: flex; align-items: center; gap: 12px; }
.oah-menu-toggle { display: none; width: 46px; height: 46px; align-items: center; justify-content: center; color: var(--oah-white); background: transparent; border: 1px solid rgba(255,255,255,.22); border-radius: var(--oah-radius-sm); }

/* Buttons */
.oah-btn { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 10px; padding: 0 22px; border: 1px solid transparent; border-radius: var(--oah-radius-xs); font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; transition: transform var(--oah-transition), background var(--oah-transition), color var(--oah-transition), border var(--oah-transition); }
.oah-btn:hover { transform: translateY(-2px); }
.oah-btn--gold { color: #17100a; background: var(--oah-gold); border-color: var(--oah-gold); }
.oah-btn--gold:hover { background: #efb134; border-color: #efb134; }
.oah-btn--dark { color: var(--oah-white); background: var(--oah-navy); border-color: var(--oah-navy); }
.oah-btn--outline { color: inherit; background: transparent; border-color: currentColor; }
.oah-btn--outline-gold { color: var(--oah-gold); background: transparent; border-color: var(--oah-gold); }
.oah-btn--sm { min-height: 40px; padding-inline: 16px; font-size: .72rem; }
.oah-btn--icon { width: 46px; padding: 0; }

/* Hero */
.oah-hero { position: relative; min-height: 690px; display: grid; align-items: center; overflow: hidden; color: var(--oah-white); background: var(--oah-navy); }
.oah-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,8,16,.93) 0%, rgba(3,8,16,.78) 43%, rgba(3,8,16,.25) 74%, rgba(3,8,16,.48) 100%), url('../img/hero-estate.jpg') center/cover no-repeat; transform: scale(1.02); }
.oah-hero::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(125deg, transparent 68%, rgba(216,154,27,.14) 68%, transparent 69%), linear-gradient(35deg, transparent 82%, rgba(216,154,27,.12) 82%, transparent 83%); pointer-events: none; }
.oah-hero__content { position: relative; z-index: 1; max-width: 710px; padding: 84px 0; }
.oah-hero__title { margin: 0; font-family: var(--oah-font-display); font-size: clamp(3.2rem, 7vw, 6.7rem); line-height: .94; letter-spacing: -.04em; }
.oah-hero__title span { color: var(--oah-gold); }
.oah-hero__text { max-width: 610px; margin: 22px 0 32px; color: rgba(255,255,255,.78); font-size: 1.1rem; }
.oah-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.oah-hero__stats { position: relative; z-index: 2; margin-top: -92px; }
.oah-statbar { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); background: rgba(15,27,51,.96); border-top: 2px solid var(--oah-gold); box-shadow: var(--oah-shadow-dark); }
.oah-stat { padding: 26px 30px; border-right: 1px solid rgba(255,255,255,.12); }
.oah-stat:last-child { border-right: 0; }
.oah-stat strong { display: block; color: var(--oah-gold); font-family: var(--oah-font-display); font-size: 1.7rem; font-weight: 600; }
.oah-stat span { color: rgba(255,255,255,.66); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }

/* Search */
.oah-searchbox { position: relative; z-index: 5; margin-top: 36px; padding: 22px; background: rgba(255,255,255,.96); border-left: 4px solid var(--oah-gold); box-shadow: var(--oah-shadow-dark); }
.oah-searchbox__grid { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr) auto; gap: 12px; align-items: end; }
.oah-field label { display: block; margin-bottom: 7px; color: var(--oah-navy); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.oah-input, .oah-select, .oah-textarea { width: 100%; min-height: 48px; padding: 11px 14px; color: var(--oah-ink); background: var(--oah-white); border: 1px solid rgba(15,27,51,.18); border-radius: var(--oah-radius-xs); transition: border var(--oah-transition), box-shadow var(--oah-transition); }
.oah-input:focus, .oah-select:focus, .oah-textarea:focus { outline: none; border-color: var(--oah-gold); box-shadow: 0 0 0 3px rgba(216,154,27,.14); }
.oah-textarea { min-height: 120px; resize: vertical; }

/* Cards */
.oah-card { overflow: hidden; background: var(--oah-white); border: 1px solid var(--oah-line); border-radius: var(--oah-radius-sm); box-shadow: var(--oah-shadow-sm); transition: transform var(--oah-transition), box-shadow var(--oah-transition); }
.oah-card:hover { transform: translateY(-5px); box-shadow: var(--oah-shadow-md); }
.oah-property__media { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--oah-navy); }
.oah-property__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 420ms ease; }
.oah-card:hover .oah-property__media img { transform: scale(1.045); }
.oah-property__body { padding: 24px; }
.oah-property__title { margin: 0 0 7px; color: var(--oah-navy); font-family: var(--oah-font-display); font-size: 1.45rem; line-height: 1.2; }
.oah-property__location { color: var(--oah-muted); font-size: .88rem; }
.oah-property__meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 18px 0; padding: 14px 0; border-top: 1px solid var(--oah-line); border-bottom: 1px solid var(--oah-line); color: var(--oah-muted); font-size: .82rem; }
.oah-property__price { display: flex; align-items: end; justify-content: space-between; gap: 12px; }
.oah-property__price strong { color: var(--oah-gold-dark); font-family: var(--oah-font-display); font-size: 1.35rem; }
.oah-badge { display: inline-flex; align-items: center; min-height: 28px; padding: 0 11px; border-radius: var(--oah-radius-pill); font-size: .66rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.oah-badge--gold { color: #1d1408; background: var(--oah-gold); }
.oah-badge--navy { color: var(--oah-white); background: var(--oah-navy); }
.oah-badge--success { color: var(--oah-white); background: var(--oah-success); }
.oah-badge--danger { color: var(--oah-white); background: var(--oah-danger); }
.oah-media-badge { position: absolute; top: 16px; left: 16px; }
.oah-favourite { position: absolute; top: 14px; right: 14px; width: 42px; height: 42px; display: grid; place-items: center; color: var(--oah-white); background: rgba(15,27,51,.72); border: 1px solid rgba(255,255,255,.35); border-radius: 50%; }

/* Feature / split */
.oah-split { display: grid; grid-template-columns: 1.05fr .95fr; align-items: stretch; }
.oah-split__media { min-height: 520px; background: url('../img/property-2.jpg') center/cover no-repeat; }
.oah-split__content { padding: 76px; color: var(--oah-white); background: var(--oah-navy); }
.oah-checks { display: grid; gap: 15px; margin: 28px 0 34px; }
.oah-check { display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: start; }
.oah-check__icon { width: 30px; height: 30px; display: grid; place-items: center; color: var(--oah-gold); border: 1px solid rgba(216,154,27,.6); border-radius: 50%; }
.oah-check strong { display: block; margin-bottom: 2px; }
.oah-check span { color: rgba(255,255,255,.68); font-size: .9rem; }

/* Testimonials */
.oah-quote { position: relative; padding: 34px; color: var(--oah-white); background: var(--oah-charcoal); border-top: 3px solid var(--oah-gold); border-radius: var(--oah-radius-sm); box-shadow: var(--oah-shadow-md); }
.oah-quote::before { content: "“"; position: absolute; top: 6px; right: 24px; color: rgba(216,154,27,.25); font-family: var(--oah-font-display); font-size: 7rem; line-height: 1; }
.oah-quote p { position: relative; margin: 0 0 24px; color: rgba(255,255,255,.82); font-size: 1.02rem; }
.oah-quote footer strong { display: block; color: var(--oah-gold); }
.oah-quote footer span { color: rgba(255,255,255,.55); font-size: .84rem; }

/* CTA */
.oah-cta { position: relative; overflow: hidden; padding: 56px; color: var(--oah-white); background: var(--oah-navy); border: 1px solid rgba(216,154,27,.45); }
.oah-cta::after { content: ""; position: absolute; inset: 0 0 0 auto; width: 46%; opacity: .45; background-image: linear-gradient(135deg, transparent 47%, rgba(216,154,27,.25) 48%, transparent 49%); background-size: 34px 34px; }
.oah-cta__inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 40px; }

/* Footer */
.oah-footer { color: rgba(255,255,255,.72); background: var(--oah-charcoal); border-top: 2px solid var(--oah-gold); }
.oah-footer__grid { display: grid; grid-template-columns: 1.45fr repeat(3, 1fr); gap: 46px; padding: 64px 0 44px; }
.oah-footer__logo { width: 260px; margin-bottom: 18px; }
.oah-footer h3 { margin: 0 0 15px; color: var(--oah-gold); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; }
.oah-footer ul { list-style: none; margin: 0; padding: 0; }
.oah-footer li { margin: 8px 0; }
.oah-footer a:hover { color: var(--oah-gold); }
.oah-footer__bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px 0; border-top: 1px solid rgba(255,255,255,.1); font-size: .78rem; }

/* Portal shell */
.oah-app { min-height: 100vh; background: #edf0f4; }
.oah-appbar { height: 74px; display: flex; align-items: center; justify-content: space-between; padding: 0 28px; color: var(--oah-white); background: var(--oah-navy); border-bottom: 2px solid var(--oah-gold); }
.oah-appbar img { width: 220px; height: 54px; object-fit: contain; object-position: left center; }
.oah-app__body { display: grid; grid-template-columns: 250px minmax(0, 1fr); min-height: calc(100vh - 74px); }
.oah-sidebar { padding: 28px 18px; color: rgba(255,255,255,.72); background: var(--oah-charcoal); }
.oah-sidebar__label { margin: 0 10px 12px; color: var(--oah-stone); font-size: .66rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.oah-sidebar a { display: flex; align-items: center; gap: 12px; min-height: 46px; margin: 4px 0; padding: 0 14px; border-left: 3px solid transparent; border-radius: 0 var(--oah-radius-sm) var(--oah-radius-sm) 0; }
.oah-sidebar a:hover, .oah-sidebar a[aria-current="page"] { color: var(--oah-white); background: rgba(216,154,27,.1); border-left-color: var(--oah-gold); }
.oah-main { padding: 32px; }
.oah-pagehead { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
.oah-metric { padding: 24px; background: var(--oah-white); border-left: 4px solid var(--oah-gold); border-radius: var(--oah-radius-sm); box-shadow: var(--oah-shadow-sm); }
.oah-metric span { color: var(--oah-muted); font-size: .78rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.oah-metric strong { display: block; margin-top: 8px; color: var(--oah-navy); font-family: var(--oah-font-display); font-size: 2rem; }
.oah-panel { padding: 26px; background: var(--oah-white); border-radius: var(--oah-radius-sm); box-shadow: var(--oah-shadow-sm); }
.oah-panel__head { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 20px; }
.oah-panel h2 { margin: 0; color: var(--oah-navy); font-family: var(--oah-font-display); font-size: 1.45rem; }
.oah-table-wrap { overflow-x: auto; }
.oah-table { width: 100%; border-collapse: collapse; }
.oah-table th, .oah-table td { padding: 14px 12px; text-align: left; border-bottom: 1px solid var(--oah-line); }
.oah-table th { color: var(--oah-muted); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; }
.oah-table td { font-size: .9rem; }
.oah-progress { height: 9px; overflow: hidden; background: #e6e9ee; border-radius: var(--oah-radius-pill); }
.oah-progress > span { display: block; height: 100%; background: var(--oah-gold); border-radius: inherit; }

/* Design system */
.oah-swatch { overflow: hidden; border: 1px solid var(--oah-line); border-radius: var(--oah-radius-sm); background: var(--oah-white); }
.oah-swatch__colour { height: 110px; }
.oah-swatch__meta { padding: 15px; }
.oah-swatch strong, .oah-swatch code { display: block; }
.oah-swatch code { margin-top: 5px; color: var(--oah-muted); }
.oah-demo-block { color: var(--oah-ink); padding: 28px; background: var(--oah-white); border: 1px solid var(--oah-line); border-radius: var(--oah-radius-sm); }
.oah-chip { display: inline-flex; align-items: center; gap: 7px; min-height: 34px; padding: 0 12px; background: var(--oah-white); border: 1px solid var(--oah-line); border-radius: var(--oah-radius-pill); color: var(--oah-muted); font-size: .78rem; }
.oah-logo-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 24px; }
.oah-logo-tile { min-height: 260px; display: grid; place-items: center; padding: 30px; background: var(--oah-white); border: 1px solid var(--oah-line); border-radius: var(--oah-radius-sm); }
.oah-logo-tile--dark { background: var(--oah-navy); }
.oah-logo-tile img { max-height: 190px; object-fit: contain; }

/* Responsive */
@media (max-width: 1040px) {
  .oah-nav { position: fixed; inset: var(--oah-header-height) 0 auto 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 18px 24px 28px; background: var(--oah-charcoal); border-bottom: 1px solid var(--oah-gold); }
  .oah-nav.is-open { display: flex; }
  .oah-nav a { padding: 15px 0; }
  .oah-nav a::after { bottom: 10px; }
  .oah-menu-toggle { display: inline-flex; }
  .oah-header__actions .oah-btn { display: none; }
  .oah-searchbox__grid { grid-template-columns: repeat(2, 1fr); }
  .oah-searchbox__grid .oah-btn { grid-column: span 2; }
  .oah-grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .oah-split { grid-template-columns: 1fr; }
  .oah-split__media { min-height: 430px; }
  .oah-footer__grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .oah-app__body { grid-template-columns: 1fr; }
  .oah-sidebar { display: none; }
}
@media (max-width: 760px) {
  .oah-container { width: min(calc(100% - 28px), var(--oah-container)); }
  .oah-section { padding: 64px 0; }
  .oah-brand img { width: 190px; }
  .oah-hero { min-height: 640px; }
  .oah-hero__stats { margin-top: 0; }
  .oah-statbar { grid-template-columns: repeat(2, 1fr); }
  .oah-stat:nth-child(2) { border-right: 0; }
  .oah-stat:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.12); }
  .oah-grid--2, .oah-grid--3, .oah-grid--4, .oah-logo-grid { grid-template-columns: 1fr; }
  .oah-searchbox { margin-top: 26px; }
  .oah-searchbox__grid { grid-template-columns: 1fr; }
  .oah-searchbox__grid .oah-btn { grid-column: auto; }
  .oah-split__content { padding: 46px 28px; }
  .oah-cta { padding: 36px 26px; }
  .oah-cta__inner { align-items: flex-start; flex-direction: column; }
  .oah-footer__grid { grid-template-columns: 1fr; }
  .oah-footer__bottom { align-items: flex-start; flex-direction: column; }
  .oah-appbar { padding-inline: 16px; }
  .oah-main { padding: 22px 16px; }
  .oah-pagehead { align-items: flex-start; flex-direction: column; }
}