/* Growth Agency Ltd — The Global Operating Landscape
   Design tokens per brief section 4-5 -------------------------------- */
:root {
  --black: #0b0c0c;
  --white: #f5f5f1;
  --warm-gray: #d8d8d2;
  --graphite: #242625;
  --steel: #727571;
  --lime: #c8ff3d;
  --muted-steel: #9aa09b;
  --line: rgba(245, 245, 241, 0.14);
  --line-strong: rgba(245, 245, 241, 0.28);
  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --container: 1320px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--black);
  color: var(--white);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--lime); color: var(--black);
  padding: 12px 20px; z-index: 1000; font-weight: 600;
}
.skip-link:focus { left: 0; top: 0; }
:focus-visible { outline: 2px solid var(--lime); outline-offset: 3px; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 40px; }
@media (max-width: 720px) { .container { padding: 0 22px; } }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 500; line-height: 1.05; margin: 0; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.6rem, 6.4vw, 5.6rem); text-transform: uppercase; }
h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); text-transform: uppercase; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.05rem; }

p { margin: 0 0 1rem; max-width: 62ch; color: rgba(245,245,241,0.72); }
p:last-child { margin-bottom: 0; }
.dek { font-size: 1.15rem; max-width: 56ch; color: rgba(245,245,241,0.78); }

.label { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--lime); display: block; margin-bottom: 16px; }
.label-steel { color: var(--muted-steel); }

/* Landscape Line — signature motif ---------------------------------- */
.landscape-line { position: relative; height: 1px; background: var(--line); margin: 0; overflow: hidden; }
.landscape-line::after {
  content: ""; position: absolute; top: 0; left: -20%; width: 20%; height: 1px;
  background: var(--lime); animation: landscape-travel 6s linear infinite;
}
@keyframes landscape-travel { from { left: -20%; } to { left: 100%; } }
@media (prefers-reduced-motion: reduce) { .landscape-line::after { animation: none; left: 0; width: 100%; opacity: 0.4; } }

/* Header ---------------------------------------------------------------- */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(11,12,12,0.88); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.brand { font-family: var(--font-display); font-size: 1.15rem; text-transform: uppercase; letter-spacing: 0.02em; color: var(--white); }
.brand .lime-dot { color: var(--lime); }
.main-nav ul { list-style: none; display: none; gap: 26px; margin: 0; padding: 0; }
.main-nav a { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.05em; text-transform: uppercase; color: rgba(245,245,241,0.7); padding: 6px 0; border-bottom: 1px solid transparent; }
.main-nav a:hover { color: var(--lime); border-bottom-color: var(--lime); }
@media (min-width: 960px) { .main-nav ul { display: flex; } }
.header-cta { display: none; font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.04em; text-transform: uppercase; padding: 10px 18px; border: 1px solid var(--line-strong); color: var(--white); }
.header-cta:hover { border-color: var(--lime); color: var(--lime); }
@media (min-width: 960px) { .header-cta { display: inline-block; } }
.nav-toggle { background: none; border: 1px solid var(--line-strong); color: var(--white); padding: 8px 12px; font-family: var(--font-mono); font-size: 0.78rem; cursor: pointer; }
@media (min-width: 960px) { .nav-toggle { display: none; } }

.mobile-nav { display: none; background: var(--black); border-bottom: 1px solid var(--line); padding: 8px 0 24px; }
.mobile-nav.open { display: block; }
.mobile-nav a { display: block; padding: 14px 0; border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.03em; }

/* Buttons --------------------------------------------------------------- */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 26px; font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.04em; text-transform: uppercase; cursor: pointer; white-space: nowrap; border: 1px solid var(--line-strong); }
.btn-lime { background: var(--lime); color: var(--black); border-color: var(--lime); }
.btn-lime:hover { background: #b3e836; }
.btn-outline { color: var(--white); }
.btn-outline:hover { border-color: var(--lime); color: var(--lime); }

/* SECTION 01 — Global Entry ---------------------------------------------- */
.entry { position: relative; min-height: 94vh; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; border-bottom: 1px solid var(--line); }
.entry-media { position: absolute; inset: 0; z-index: 0; }
.entry-media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(60%) contrast(1.1) brightness(0.55); }
.entry-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(11,12,12,0.94) 15%, rgba(11,12,12,0.35) 60%); }
.entry-top { position: relative; z-index: 1; padding: 30px 0 0; }
.entry-top .container { display: flex; justify-content: space-between; align-items: center; }
.entry-loc { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; color: var(--muted-steel); }
.entry-body { position: relative; z-index: 1; padding: 60px 0 70px; }
.entry-body h1 { max-width: 18ch; margin-bottom: 28px; }
.entry-body .dek { margin-bottom: 34px; }
.entry-actions { display: flex; gap: 18px; flex-wrap: wrap; }

/* SECTION 02 — Landscape diagram ------------------------------------------ */
.landscape-diagram { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 48px; }
@media (max-width: 800px) { .landscape-diagram { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .landscape-diagram { grid-template-columns: 1fr; } }
.landscape-node { background: var(--black); padding: 34px 24px; display: flex; flex-direction: column; gap: 10px; position: relative; }
.landscape-node .ln-n { font-family: var(--font-mono); font-size: 0.75rem; color: var(--lime); }
.landscape-node .ln-name { font-family: var(--font-display); font-size: 1.3rem; text-transform: uppercase; }

/* SECTION 03 — People + AI + Technology ----------------------------------- */
.trinity { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); margin-top: 40px; }
@media (max-width: 800px) { .trinity { grid-template-columns: 1fr; } }
.trinity-layer { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 44px 30px; }
.trinity-layer h3 { font-size: 2rem; margin-bottom: 16px; }
.trinity-closing { margin-top: 44px; padding: 34px; border: 1px solid var(--line-strong); font-family: var(--font-display); font-size: 1.4rem; text-transform: none; line-height: 1.3; }
.trinity-closing strong { color: var(--lime); }

/* SECTION 04 — Observation columns ---------------------------------------- */
.observation-cols { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); margin-top: 40px; }
@media (max-width: 900px) { .observation-cols { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .observation-cols { grid-template-columns: 1fr; } }
.obs-col { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.obs-col summary { list-style: none; cursor: pointer; padding: 28px 20px; font-family: var(--font-display); font-size: 1.1rem; text-transform: uppercase; display: flex; justify-content: space-between; align-items: center; }
.obs-col summary::-webkit-details-marker { display: none; }
.obs-col summary::after { content: "+"; color: var(--lime); font-family: var(--font-mono); }
.obs-col[open] summary::after { content: "\2013"; }
.obs-col p { padding: 0 20px 28px; font-size: 0.92rem; }

/* SECTION 05 — Five Movements: horizontal architectural panels ------------ */
.movements { display: flex; flex-direction: column; margin-top: 40px; border-top: 1px solid var(--line); }
.movement-panel { display: grid; grid-template-columns: 100px 200px 1fr; gap: 30px; padding: 36px 0; border-bottom: 1px solid var(--line); align-items: center; }
@media (max-width: 800px) { .movement-panel { grid-template-columns: 60px 1fr; } .movement-panel .mp-name { grid-column: 2; } }
.movement-panel .mp-n { font-family: var(--font-mono); font-size: 1.6rem; color: var(--lime); }
.movement-panel .mp-name { font-family: var(--font-display); font-size: 1.5rem; text-transform: uppercase; }
.movement-panel p { font-size: 0.95rem; margin: 0; }

/* SECTION 06 — Capability map (custom grid-style, not stock map) ---------- */
.capmap { margin-top: 44px; border: 1px solid var(--line); padding: 44px; position: relative; }
.capmap-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(90px, 1fr)); gap: 18px; margin-bottom: 40px; }
.capmap-dot { aspect-ratio: 1; border: 1px solid var(--line-strong); display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 0.62rem; text-align: center; padding: 6px; color: var(--muted-steel); position: relative; }
.capmap-dot::before { content: ""; position: absolute; top: 50%; left: 50%; width: 5px; height: 5px; border-radius: 50%; background: var(--lime); transform: translate(-50%, -50%); }
.capmap-regions { display: flex; flex-wrap: wrap; gap: 12px; }
.capmap-region { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; padding: 10px 16px; border: 1px solid var(--line); color: var(--muted-steel); }

/* SECTION 07 — Capability field ------------------------------------------- */
.capfield { border-top: 1px solid var(--line); margin-top: 40px; }
.capfield-row { display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center; padding: 30px 0; border-bottom: 1px solid var(--line); }
.capfield-row h3 { font-size: 1.3rem; text-transform: uppercase; margin-bottom: 8px; }
.capfield-row p { font-size: 0.94rem; margin: 0; }
.capfield-row .cf-arrow { font-family: var(--font-mono); color: var(--muted-steel); font-size: 1.2rem; }
.capfield-row:hover h3 { color: var(--lime); }
.capfield-row:hover .cf-arrow { color: var(--lime); }

/* Index list (capability index, work, company, locations, resources) ----- */
.index-list { border-top: 1px solid var(--line); }
.index-row { display: grid; grid-template-columns: 60px 1fr auto; gap: 22px; align-items: center; padding: 28px 0; border-bottom: 1px solid var(--line); }
.index-row .idx-n { font-family: var(--font-mono); font-size: 1.1rem; color: var(--lime); }
.index-row h3 { font-size: 1.25rem; text-transform: uppercase; }
.index-row p { font-size: 0.92rem; color: rgba(245,245,241,0.6); margin-top: 4px; }
.index-row .idx-arrow { font-family: var(--font-mono); font-size: 1.2rem; color: var(--muted-steel); }
.index-row:hover h3, .index-row:hover .idx-arrow { color: var(--lime); }

/* Insight / article listing ------------------------------------------------ */
.insight-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (max-width: 900px) { .insight-grid { grid-template-columns: 1fr; } }
.insight-cell { background: var(--black); padding: 28px; display: flex; flex-direction: column; gap: 10px; }
.insight-cell .i-cat { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--lime); }
.insight-cell h3 { font-size: 1.1rem; text-transform: none; }
.insight-cell p { font-size: 0.9rem; color: rgba(245,245,241,0.6); }

.article-list { display: flex; flex-direction: column; }
.article-row { display: grid; grid-template-columns: 1fr; gap: 6px; padding: 26px 0; border-bottom: 1px solid var(--line); }
@media (min-width: 720px) { .article-row { grid-template-columns: 140px 1fr 110px; gap: 26px; align-items: baseline; } }
.article-row .cat { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--lime); }
.article-row h3 { font-size: 1.1rem; text-transform: none; }
.article-row p { color: rgba(245,245,241,0.6); font-size: 0.9rem; margin: 4px 0 0; }
.article-row .cta { font-family: var(--font-mono); font-size: 0.75rem; text-align: right; color: var(--muted-steel); }

/* Page hero --------------------------------------------------------------- */
.page-hero { padding: 56px 0 70px; }
.crumbs { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted-steel); }
.crumbs a { color: var(--muted-steel); }
.crumbs a:hover { color: var(--lime); }
.crumbs span { margin: 0 6px; }
.page-hero-media { margin-top: 40px; aspect-ratio: 21/8; overflow: hidden; border: 1px solid var(--line); }
.page-hero-media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(35%); }

.deliverables { list-style: none; margin: 32px 0 0; padding: 0; display: flex; flex-direction: column; gap: 14px; max-width: 62ch; }
.deliverables li { padding-left: 24px; position: relative; font-size: 0.95rem; color: rgba(245,245,241,0.75); }
.deliverables li::before { content: "—"; position: absolute; left: 0; color: var(--lime); }

.item-list { border-top: 1px solid var(--line); }
.item-row { padding: 26px 0; border-bottom: 1px solid var(--line); }
.item-row h3 { font-size: 1.1rem; text-transform: none; margin-bottom: 8px; }
.item-row p { font-size: 0.92rem; color: rgba(245,245,241,0.6); }

/* CTA band ----------------------------------------------------------------- */
.cta-band { padding: 90px 0; border-bottom: 1px solid var(--line); }
.cta-band h2 { margin-bottom: 22px; }

/* Forms --------------------------------------------------------------- */
form.contact-form { display: grid; gap: 20px; max-width: 640px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted-steel); }
.field input, .field select, .field textarea { font-family: var(--font-sans); font-size: 0.98rem; padding: 13px 14px; border: 1px solid var(--line-strong); background: rgba(245,245,241,0.03); color: var(--white); }
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--lime); }
.consent-row { display: flex; align-items: flex-start; gap: 10px; font-size: 0.86rem; color: rgba(245,245,241,0.65); }
.consent-row input { margin-top: 3px; }
.honeypot-field { position: absolute; left: -9999px; }

/* Legal ---------------------------------------------------------------- */
.legal-section { padding: 28px 0; border-bottom: 1px solid var(--line); }
.legal-section:last-child { border-bottom: none; }
.legal-section h2 { font-size: 1.2rem; margin-bottom: 12px; text-transform: none; }
.updated-note { font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted-steel); letter-spacing: 0.03em; text-transform: uppercase; }

/* Footer ---------------------------------------------------------------- */
.site-footer { background: var(--graphite); padding: 76px 0 32px; border-top: 1px solid var(--line); }
.footer-top { padding-bottom: 52px; border-bottom: 1px solid var(--line); }
.footer-top h2 { margin-bottom: 24px; max-width: 20ch; }
.footer-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px 24px; padding: 52px 0 44px; border-bottom: 1px solid var(--line); }
@media (min-width: 720px) { .footer-grid { grid-template-columns: repeat(5, 1fr); } }
.footer-col h4 { font-family: var(--font-mono); font-size: 0.68rem; color: var(--lime); margin-bottom: 16px; letter-spacing: 0.06em; text-transform: uppercase; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.85rem; color: rgba(245,245,241,0.65); }
.footer-col a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; flex-wrap: wrap; padding-top: 32px; font-size: 0.8rem; color: rgba(245,245,241,0.45); }

/* Utilities ----------------------------------------------------------------- */
.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; }
.body-copy { max-width: 68ch; }
.body-copy p { font-size: 1.02rem; }

/* Cookie banner / preference centre (structure via JS; base styling here) */
#cookie-banner a { color: var(--lime); }
#cookie-prefs input[type="checkbox"] { accent-color: var(--lime); }