:root {
  --ink: #263337;
  --forest: #183e36;
  --paper: #f5f6f2;
  --white: #ffffff;
  --line: #ccd1ca;
  --accent: #e4b45b;
  --muted: #606d6a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.55 Arial, Helvetica, sans-serif; }
body.dialog-open { overflow: hidden; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.skip-link { position: absolute; top: -60px; left: 12px; background: var(--white); z-index: 20; padding: 8px 12px; }
.skip-link:focus { top: 10px; }
.page-gutter { padding-left: max(5.5vw, 28px); padding-right: max(5.5vw, 28px); }

.site-header { height: 82px; padding: 0 max(5.5vw, 28px); display: flex; align-items: center; justify-content: space-between; gap: 34px; background: var(--paper); position: relative; z-index: 10; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; flex: none; }
.brand-mark { display: grid; place-items: center; width: 47px; height: 47px; border: 1px solid var(--forest); color: var(--forest); font: bold 30px/1 Georgia, serif; }
.brand-dot, .footer-dot { color: var(--accent); }
.brand-name { color: var(--forest); font-size: 12px; line-height: 1.16; font-weight: 800; }
.desktop-nav { display: flex; gap: 34px; margin-left: auto; }
.desktop-nav a, .header-link { text-decoration: none; font-size: 13px; font-weight: 700; }
.desktop-nav a { padding: 12px 0; transition: color .2s ease; }
.desktop-nav a:hover, .header-link:hover { color: #a06d1d; }
.header-link { border: 0; border-bottom: 1px solid var(--ink); padding: 10px 0 5px; white-space: nowrap; margin-left: 12px; background: transparent; cursor: pointer; color: var(--ink); }
.header-link span { margin-left: 15px; font-size: 16px; }
.menu-toggle { display: none; }
.mobile-nav { display: none; }

.hero { position: relative; min-height: 590px; height: min(720px, calc(100svh - 146px)); overflow: hidden; background: #394d46; color: var(--white); }
.hero-image, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; object-position: center 50%; }
.hero-shade { background: linear-gradient(90deg, rgba(13,36,31,.83), rgba(13,36,31,.42) 45%, rgba(13,36,31,.02) 78%); }
.hero-content { position: relative; z-index: 1; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; align-items: flex-start; padding-bottom: 76px; max-width: 770px; }
.eyebrow { margin: 0; display: flex; align-items: center; gap: 14px; font-size: 12px; line-height: 1.2; font-weight: 800; }
.eyebrow-rule { display: inline-block; width: 30px; height: 2px; background: var(--accent); }
.hero h1 { font: normal 76px/.98 Georgia, 'Times New Roman', serif; margin: 19px 0 22px; }
.hero-copy { max-width: 465px; font-size: 17px; line-height: 1.55; margin: 0 0 33px; color: #f1f4ef; }
.hero-cta { display: inline-flex; justify-content: space-between; gap: 32px; align-items: center; padding: 13px 0 7px; min-width: 226px; border-bottom: 1px solid var(--accent); text-decoration: none; font-size: 13px; font-weight: 700; }
.hero-cta span { font-size: 19px; }

.intro { padding-top: 110px; padding-bottom: 120px; }
.section-meta { display: flex; align-items: center; gap: 20px; color: var(--forest); }
.section-number { font-size: 11px; font-weight: 800; white-space: nowrap; }
.section-line { width: 54px; height: 1px; background: var(--accent); }
.intro-grid { display: grid; grid-template-columns: 1fr minmax(330px, .61fr); gap: 9vw; align-items: start; margin-top: 34px; }
.intro h2, .concepts h2, .about h2 { font: normal 59px/1.05 Georgia, 'Times New Roman', serif; margin: 0; }
.intro-text { padding-top: 8px; }
.intro-text p { margin: 0 0 18px; max-width: 440px; color: var(--muted); font-size: 15px; line-height: 1.75; }
.intro-text .lead { font: normal 24px/1.34 Georgia, serif; color: var(--ink); }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5vw; margin-top: 90px; }
.principle { border-top: 1px solid var(--line); padding-top: 19px; }
.principle-number { font-size: 11px; color: #967641; font-weight: 800; }
.principle h3 { font: normal 31px/1.1 Georgia, serif; margin: 30px 0 12px; }
.principle p { color: var(--muted); max-width: 270px; margin: 0; font-size: 14px; line-height: 1.65; }

.concepts { background: #e8edea; padding-top: 105px; padding-bottom: 88px; }
.concepts-heading { display: flex; justify-content: space-between; align-items: end; gap: 48px; margin-bottom: 45px; }
.concepts-heading h2 { margin-top: 30px; }
.concepts-heading > p { max-width: 270px; margin: 0 0 8px; font-size: 15px; line-height: 1.6; color: var(--muted); }
.concept-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.concept-item { display: block; text-align: left; border: 0; padding: 0; background: transparent; cursor: pointer; color: var(--ink); min-width: 0; }
.concept-image-wrap { display: block; position: relative; overflow: hidden; aspect-ratio: 1.35; background: #c6cbc3; }
.concept-image-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.concept-item:hover img { transform: scale(1.035); }
.concept-open { position: absolute; top: 16px; right: 16px; display: grid; place-items: center; width: 38px; height: 38px; background: var(--white); color: var(--forest); font-size: 20px; }
.concept-caption { display: flex; justify-content: space-between; gap: 20px; align-items: end; padding: 20px 0; border-bottom: 1px solid #b8c4bd; }
.concept-caption > span:first-child { display: flex; flex-direction: column; gap: 4px; }
.concept-index, .concept-type { font-size: 10px; font-weight: 800; color: #5d6f68; }
.concept-caption strong { font: normal 27px/1.1 Georgia, serif; }
.concept-note { margin: 20px 0 0; font-size: 12px; color: #53655f; }

.about { background: var(--forest); color: var(--white); padding-top: 100px; padding-bottom: 105px; }
.about-top { display: flex; justify-content: space-between; gap: 30px; align-items: center; }
.about .section-meta { color: #e7eee8; }
.about-kicker { font-size: 11px; font-weight: 800; margin: 0; color: #b6d0c5; }
.about h2 { font-size: 72px; margin: 75px 0 70px; max-width: 900px; }
.about-bottom { display: flex; justify-content: space-between; align-items: end; gap: 60px; border-top: 1px solid #567168; padding-top: 25px; }
.about-bottom p { margin: 0; max-width: 580px; font-size: 16px; line-height: 1.7; color: #d5e3dc; }
.back-top { white-space: nowrap; border: 0; border-bottom: 1px solid var(--accent); padding: 0 0 5px; color: var(--white); background: transparent; cursor: pointer; font-size: 13px; font-weight: 700; }
.back-top span { margin-left: 36px; }

.site-footer { background: #202f32; color: #f5f6f2; padding-top: 38px; padding-bottom: 27px; }
.footer-main { display: flex; justify-content: space-between; align-items: end; gap: 20px; padding-bottom: 56px; }
.footer-brand { font: bold 22px/1.1 Arial, sans-serif; }
.footer-tagline { font: normal 23px/1.1 Georgia, serif; }
.footer-bottom { border-top: 1px solid #526064; display: flex; justify-content: space-between; gap: 16px; padding-top: 19px; font-size: 11px; color: #b4c1c2; }
.footer-bottom a { text-underline-offset: 2px; }

.image-dialog { border: 0; max-width: min(1030px, calc(100vw - 34px)); max-height: calc(100vh - 34px); padding: 0; background: var(--paper); color: var(--ink); box-shadow: 0 24px 65px rgba(0,0,0,.25); }
.image-dialog::backdrop { background: rgba(11,27,24,.8); }
.dialog-shell { position: relative; max-height: calc(100vh - 34px); overflow: auto; }
.dialog-close { position: absolute; top: 12px; right: 12px; width: 44px; height: 44px; border: 0; background: var(--white); color: var(--ink); cursor: pointer; font-size: 30px; line-height: 1; }
.dialog-image { width: 100%; max-height: 65vh; object-fit: contain; background: #d9dfda; }
.dialog-copy { display: flex; justify-content: space-between; gap: 30px; padding: 22px 28px 27px; }
.dialog-eyebrow { font-size: 10px; color: #66746c; font-weight: 800; }
.dialog-copy h2 { margin: 5px 0 6px; font: normal 29px/1.1 Georgia, serif; }
.dialog-copy p { margin: 0; font-size: 12px; line-height: 1.5; color: var(--muted); }
.dialog-copy > p { max-width: 250px; text-align: right; align-self: end; }
.enquiry-dialog { border: 0; width: min(540px, calc(100vw - 34px)); padding: 0; background: var(--paper); color: var(--ink); box-shadow: 0 24px 65px rgba(0,0,0,.25); }
.enquiry-dialog::backdrop { background: rgba(11,27,24,.8); }
.enquiry-shell { position: relative; padding: 47px 48px 39px; }
.enquiry-close { position: absolute; top: 13px; right: 13px; width: 42px; height: 42px; border: 0; background: #e4ebe5; color: var(--forest); cursor: pointer; font-size: 29px; line-height: 1; }
.enquiry-shell h2 { font: normal 49px/1.05 Georgia, serif; margin: 21px 0 10px; }
.enquiry-intro { margin: 0 0 37px; color: var(--muted); font-size: 15px; }
.contact-line { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); padding: 18px 0; }
.contact-line > span { font-size: 11px; font-weight: 800; color: var(--forest); }
.contact-line a { text-decoration: none; border-bottom: 1px solid var(--accent); padding-bottom: 3px; }
.contact-line a span { margin-left: 10px; }
.contact-line address { font-style: normal; text-align: right; }

@media (max-width: 900px) {
  .desktop-nav, .header-link { display: none; }
  .menu-toggle { display: flex; flex-direction: column; justify-content: center; gap: 6px; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer; }
  .menu-toggle span { width: 25px; height: 2px; background: var(--forest); transition: transform .2s ease; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .mobile-nav:not([hidden]) { display: flex; position: absolute; top: 82px; left: 0; right: 0; flex-direction: column; z-index: 9; background: var(--paper); padding: 18px max(5.5vw, 28px) 26px; border-top: 1px solid var(--line); box-shadow: 0 12px 25px rgba(0,0,0,.1); }
  .mobile-nav a { text-decoration: none; padding: 11px 0; font: normal 24px Georgia, serif; }
  .mobile-nav button { border: 0; border-top: 1px solid var(--line); padding: 17px 0 5px; margin-top: 12px; background: transparent; color: var(--forest); text-align: left; cursor: pointer; font: normal 24px Georgia, serif; }
  .intro-grid { gap: 5vw; }
  .intro h2, .concepts h2 { font-size: 49px; }
}

@media (max-width: 680px) {
  .site-header { height: 72px; }
  .brand-mark { width: 40px; height: 40px; font-size: 26px; }
  .brand-name { font-size: 11px; }
  .mobile-nav:not([hidden]) { top: 72px; }
  .hero { height: calc(100svh - 142px); min-height: 530px; max-height: 690px; }
  .hero-image { object-position: 58% center; }
  .hero-shade { background: linear-gradient(0deg, rgba(13,36,31,.91), rgba(13,36,31,.28) 75%, rgba(13,36,31,.08)); }
  .hero-content { padding-bottom: 75px; }
  .hero h1 { font-size: 49px; margin: 17px 0 18px; }
  .hero-copy { font-size: 15px; max-width: 360px; margin-bottom: 25px; }
  .intro { padding-top: 78px; padding-bottom: 86px; }
  .intro-grid { grid-template-columns: 1fr; gap: 26px; margin-top: 30px; }
  .intro h2, .concepts h2 { font-size: 45px; }
  .intro-text .lead { font-size: 22px; }
  .principles { grid-template-columns: 1fr; gap: 32px; margin-top: 55px; }
  .principle h3 { margin: 17px 0 8px; font-size: 28px; }
  .principle p { max-width: 500px; }
  .concepts { padding-top: 75px; padding-bottom: 70px; }
  .concepts-heading { flex-direction: column; align-items: flex-start; gap: 16px; margin-bottom: 30px; }
  .concepts-heading h2 { margin-top: 27px; }
  .concepts-heading > p { max-width: 420px; }
  .concept-grid { grid-template-columns: 1fr; gap: 30px; }
  .concept-image-wrap { aspect-ratio: 1.23; }
  .concept-caption strong { font-size: 25px; }
  .concept-type { text-align: right; }
  .concept-note { margin-top: 15px; }
  .about { padding-top: 75px; padding-bottom: 82px; }
  .about-kicker { display: none; }
  .about h2 { font-size: 50px; margin: 60px 0 55px; }
  .about-bottom { flex-direction: column; align-items: flex-start; gap: 34px; }
  .about-bottom p { font-size: 15px; }
  .footer-main { flex-direction: column; align-items: flex-start; gap: 17px; padding-bottom: 48px; }
  .footer-bottom { flex-direction: column; }
  .dialog-copy { flex-direction: column; gap: 20px; padding: 19px 20px 23px; }
  .dialog-copy > p { text-align: left; align-self: auto; max-width: none; }
  .enquiry-shell { padding: 42px 27px 30px; }
  .enquiry-shell h2 { font-size: 42px; }
}

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