/* ==========================================================================
   Green Agent — green agent website
   Design: minimal, premium, editorial. Muted greens, serious type, white space.
   Fonts: Inter (display + body). Loaded via Google Fonts in <head>.
   ========================================================================== */

:root{
  --paper:#f5f2ec;        /* warm off-white — paper, not screen */
  --paper-2:#efebe2;      /* faint panel tone */
  --ink:#222019;          /* deep charcoal, not pure black */
  --ink-soft:#5b564c;     /* muted body text */
  --line:#ddd6c8;         /* hairline rules */
  --moss:#5f6f57;         /* muted green accent */
  --moss-deep:#43503c;    /* deeper green for hovers/contrast */
  --sage:#8a9580;         /* light sage for secondary marks */
  --maxw:1080px;
  --gutter:32px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  font-size:18px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

h1,h2,h3,h4,.serif{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  font-weight:600;
  line-height:1.1;
  letter-spacing:-0.012em;
}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.narrow{max-width:760px}

.label{
  font-family:'Inter';
  font-size:12px;
  letter-spacing:0.2em;
  text-transform:uppercase;
  color:var(--moss);
  font-weight:600;
}

/* generous vertical rhythm — the white space the brief asks for */
section{padding:104px 0}
section.tight{padding:72px 0}
@media(max-width:680px){section{padding:72px 0}}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,249,245,0.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 10px rgba(34,32,25,0.035);
  transition:box-shadow .28s ease, background .28s ease;
}
.site-header.scrolled{
  background:rgba(250,249,245,0.94);
  box-shadow:0 5px 22px rgba(34,32,25,0.08);
}
.site-header .inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;
}
.brand{font-family:'Inter',system-ui,-apple-system,sans-serif;font-size:21px;letter-spacing:-0.02em;display:inline-flex;flex-direction:column;gap:0;line-height:1}
.brand-inner{display:flex;align-items:baseline;gap:0.15em}
.brand-green{color:var(--moss);font-style:italic;font-weight:400}
.brand-agent{color:var(--ink);font-style:normal;font-weight:500}
.brand-rule{height:1px;background:var(--moss);margin-top:5px}
.nav{display:flex;align-items:center;gap:34px;font-size:15px}
.nav a{color:var(--ink-soft);transition:color .15s}
.nav a:hover,.nav a.active{color:var(--ink)}
.nav .enquire{
  color:var(--paper);background:var(--moss);
  padding:8px 17px;border-radius:1px;font-size:14px;font-weight:500;
}
.nav .enquire:hover{background:var(--moss-deep);color:var(--paper)}
.nav-toggle{
  display:none;
  flex-direction:column;justify-content:center;align-items:center;
  gap:5px;width:40px;height:40px;background:none;border:none;cursor:pointer;padding:0;
}
.nav-toggle span{
  display:block;width:22px;height:1.5px;background:var(--ink);
  transition:transform .25s,opacity .25s;
  transform-origin:center;
}
.nav-toggle.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
@media(max-width:720px){
  .nav-toggle{display:flex}
  .nav{
    display:none;
    position:absolute;top:72px;left:0;right:0;
    z-index:55;
    flex-direction:column;align-items:flex-start;gap:0;
    background:rgba(245,242,236,0.98);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
    box-shadow:0 10px 24px rgba(34,32,25,0.07);
    padding:12px 0 20px;
  }
  .nav.open{display:flex}
  .nav a{
    display:block;width:100%;
    padding:13px 24px;font-size:16px;
    border-bottom:1px solid var(--line);
  }
  .nav a:last-child{border-bottom:none}
  .nav .enquire{
    margin:12px 24px 0;width:auto;
    border-radius:1px;
  }
}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;font-size:15px;font-weight:500;
  padding:14px 26px;border-radius:1px;transition:all .15s;
}
.btn-solid{background:var(--moss);color:var(--paper)}
.btn-solid:hover{background:var(--moss-deep)}
.btn-line{border:1px solid var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--ink);color:var(--paper)}
.btn-row{display:flex;gap:16px;flex-wrap:wrap;margin-top:40px}

/* ---------- hero ---------- */
.hero{padding:88px 0 84px}
.hero-grid{display:grid;grid-template-columns:1.02fr 0.98fr;gap:60px;align-items:center}
.hero-copy h1{font-size:clamp(38px,4.6vw,60px);max-width:15ch}
.hero-copy .lede{margin-top:26px;max-width:46ch;font-size:19px;color:var(--ink-soft)}
.hero-copy .strap{
  margin-top:30px;font-family:'Inter',system-ui,-apple-system,sans-serif;font-style:italic;
  font-size:24px;color:var(--moss-deep);
}
.hero-media{position:relative}
.hero-media img{
  width:100%;height:520px;object-fit:cover;
  border-radius:10px;
  box-shadow:0 26px 60px rgba(34,32,25,0.18);
}
.hero-credit{
  position:absolute;left:14px;bottom:14px;
  background:rgba(34,32,25,0.60);color:#fff;
  font-size:12px;letter-spacing:0.05em;text-transform:uppercase;
  padding:6px 11px;border-radius:4px;backdrop-filter:blur(4px);
}
@media(max-width:840px){
  .hero{padding:64px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media img{height:380px}
}

/* page intro (interior pages) */
.page-intro{padding:104px 0 24px}
.page-intro h1{font-size:clamp(38px,5.2vw,60px);max-width:16ch}
.page-intro .lede{margin-top:26px;max-width:56ch;font-size:20px;color:var(--ink-soft)}

/* ---------- generic prose ---------- */
.prose p{margin-top:22px;max-width:60ch;color:var(--ink-soft)}
.prose p:first-child{margin-top:0}
.prose h2{font-size:clamp(28px,3.6vw,40px);margin-top:8px}
.prose h3{font-size:24px;margin-top:8px}

/* ---------- pull quote ---------- */
.pull{padding:8px 0}
.pull blockquote{
  font-family:'Inter',system-ui,-apple-system,sans-serif;font-size:clamp(30px,4.4vw,50px);
  line-height:1.12;max-width:20ch;font-weight:430;
}
.pull .cite{margin-top:20px;font-size:14px;letter-spacing:0.04em;color:var(--moss-deep)}
.bio{display:flex;align-items:center;gap:22px;margin-top:30px;max-width:60ch}
.bio img{width:104px;height:104px;flex:none;object-fit:cover;border:1px solid var(--line);border-radius:4px;box-shadow:0 18px 44px rgba(34,32,25,0.12)}
.bio-text p{font-size:15px;line-height:1.55;color:var(--ink-soft)}
.bio-text p+p{margin-top:6px}
@media(max-width:520px){.bio{flex-direction:column;align-items:flex-start;gap:16px}}

/* ---------- featured strip ---------- */
.ftstrip{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ftstrip .inner{display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:15px;color:var(--ink-soft);padding:22px 0}
.ft-mark{font-family:'Inter',system-ui,-apple-system,sans-serif;font-weight:600;color:#b14a36}

/* ---------- three offers ---------- */
.offers{display:grid;grid-template-columns:repeat(3,1fr);gap:46px;margin-top:54px}
@media(max-width:760px){.offers{grid-template-columns:1fr;gap:40px}}
.offer .n{font-family:'Inter',system-ui,-apple-system,sans-serif;font-style:italic;color:var(--sage);font-size:18px}
.offer h3{font-size:22px;margin:14px 0 12px;max-width:18ch}
.offer p{font-size:15px;color:var(--ink-soft);line-height:1.55}

/* ---------- timeline (twenty-year line) ---------- */
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:56px;
  border-top:1px solid var(--line)}
@media(max-width:760px){.timeline{grid-template-columns:1fr}}
.tl{padding:34px 30px 34px 0;border-right:1px solid var(--line)}
.tl:last-child{border-right:none}
@media(max-width:760px){.tl{border-right:none;border-bottom:1px solid var(--line);padding-right:0}}
.tl .yr{font-family:'Inter',system-ui,-apple-system,sans-serif;font-size:34px;color:var(--moss)}
.tl .pl{font-weight:600;margin-top:10px;font-size:16px}
.tl .ds{margin-top:10px;font-size:14.5px;color:var(--ink-soft);line-height:1.55}

/* ---------- hierarchy (approach) ---------- */
.steps{margin-top:48px;display:grid;gap:2px}
.step{padding:38px 0;border-top:1px solid var(--line);display:grid;
  grid-template-columns:64px 1fr;gap:30px}
.step:last-child{border-bottom:1px solid var(--line)}
@media(max-width:600px){.step{grid-template-columns:1fr;gap:12px}}
.step .sn{font-family:'Inter',system-ui,-apple-system,sans-serif;font-size:34px;color:var(--sage);line-height:1}
.step h3{font-size:23px;margin-bottom:12px}
.step p{font-size:16px;color:var(--ink-soft);max-width:56ch}

/* ---------- image placeholder ---------- */
.imgslot{
  background:var(--paper-2);
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;text-align:center;
  color:var(--sage);min-height:300px;padding:30px;
}
.imgslot span{font-size:13px;letter-spacing:0.08em;text-transform:uppercase;max-width:34ch;line-height:1.6}
.imgslot.tall{min-height:440px}

/* ---------- case study block ---------- */
.case{padding:72px 0;border-top:1px solid var(--line)}
.case:first-of-type{border-top:none}
.case .meta{font-size:13px;letter-spacing:0.08em;text-transform:uppercase;color:var(--moss);margin-bottom:14px}
.case h2{font-size:clamp(28px,3.6vw,42px)}
.case .body{margin-top:24px}
.case .body p{margin-top:20px;max-width:62ch;color:var(--ink-soft)}
.case .grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
@media(max-width:760px){.case .grid{grid-template-columns:1fr}}
/* paired figures (e.g. as proposed / as built); column ratio matches the image aspect ratios so heights align */
.case-pair{display:grid;grid-template-columns:1.8fr 1fr;gap:28px;align-items:start;margin-top:40px}
.case-pair figure{margin:0}
.case-pair img{width:100%;height:auto;display:block;border:1px solid var(--line);border-radius:4px;box-shadow:0 18px 44px rgba(34,32,25,0.12)}
.case-pair figcaption{font-size:13px;color:var(--ink-soft);margin-top:12px;line-height:1.4;max-width:52ch}
@media(max-width:760px){.case-pair{grid-template-columns:1fr}}

/* ---------- mission callouts ---------- */
.threads{display:grid;grid-template-columns:1fr 1fr;gap:36px 48px;margin-top:50px}
@media(max-width:680px){.threads{grid-template-columns:1fr}}
.thread h4{font-family:'Inter',system-ui,-apple-system,sans-serif;font-size:19px;margin-bottom:8px}
.thread p{font-size:15px;color:var(--ink-soft);line-height:1.55}

/* ---------- dark band ---------- */
.band{background:var(--ink);color:var(--paper)}
.band .label{color:var(--sage)}
.band h2{color:var(--paper)}
.band .tl{border-color:#39362f}
.band .timeline{border-color:#39362f}
.band .tl .yr{color:#c3cbb6}
.band .tl .ds{color:#aaa499}
.band blockquote{color:var(--paper)}
.band a.inline{color:var(--paper);border-bottom:1px solid var(--moss)}

/* ---------- contact form ---------- */
.form{margin-top:40px;max-width:560px;display:grid;gap:18px}
.field{display:grid;gap:7px}
.field label{font-size:13px;letter-spacing:0.04em;color:var(--ink-soft)}
.field input,.field textarea{
  font-family:'Inter';font-size:16px;padding:13px 15px;
  border:1px solid var(--line);background:#fff;border-radius:1px;color:var(--ink);
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--moss)}
.field textarea{min-height:120px;resize:vertical}
.form button{
  justify-self:start;background:var(--moss);color:var(--paper);border:none;
  padding:14px 30px;font-size:15px;font-weight:500;border-radius:1px;cursor:pointer;
}
.form button:hover{background:var(--moss-deep)}
.alt{margin-top:26px;font-size:15px;color:var(--ink-soft)}
.alt a{color:var(--moss-deep);border-bottom:1px solid var(--moss)}

/* ---------- inline links / CTA section ---------- */
.inline{color:var(--moss-deep);border-bottom:1px solid var(--moss);font-weight:500}
.cta-band{background:var(--paper-2);border-top:1px solid var(--line)}
.cta-band h2{font-size:clamp(28px,3.6vw,44px)}
.cta-band p{margin-top:18px;max-width:48ch;color:var(--ink-soft)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#c9c4b8;padding:60px 0 44px}
.site-footer .strap{font-family:'Inter',system-ui,-apple-system,sans-serif;font-style:italic;color:#c8cfba;font-size:23px}
.site-footer .frow{display:flex;justify-content:space-between;flex-wrap:wrap;gap:22px;
  margin-top:28px;font-size:14px}
.site-footer .frow a:hover{color:var(--paper)}
.site-footer .fmeta{margin-top:34px;border-top:1px solid #39362f;padding-top:20px;
  font-size:12px;color:#7c786e}

/* ---------- helpers ---------- */
.center{text-align:center}
.mt-s{margin-top:18px}
.mt-m{margin-top:30px}
.link-arrow{display:inline-block;margin-top:26px;font-weight:500;color:var(--moss-deep);
  border-bottom:1px solid var(--moss)}

/* ---------- cookie consent banner ---------- */
.cookie-banner{
  position:fixed;left:16px;right:16px;bottom:16px;z-index:200;
  max-width:560px;margin:0 auto;
  background:var(--ink);color:var(--paper);
  border-radius:8px;padding:18px 20px;
  box-shadow:0 14px 44px rgba(34,32,25,0.28);
  display:flex;flex-direction:column;gap:14px;
  font-size:14px;line-height:1.5;
}
.cookie-banner p{margin:0}
.cookie-banner a{color:var(--sage);text-decoration:underline}
.cookie-actions{display:flex;gap:10px;justify-content:flex-end}
.cookie-btn{
  cursor:pointer;border:none;border-radius:2px;
  padding:9px 18px;font-size:14px;font-weight:500;font-family:inherit;
}
.cookie-decline{background:transparent;color:var(--paper);border:1px solid rgba(245,242,236,0.4)}
.cookie-decline:hover{border-color:var(--paper)}
.cookie-accept{background:var(--moss);color:var(--paper)}
.cookie-accept:hover{background:var(--moss-deep)}
@media(max-width:420px){
  .cookie-actions{justify-content:stretch}
  .cookie-btn{flex:1}
}

/* ---------- editorial polish pass ---------- */
/* Give project photography depth so it reads as designed-in, not inserted */
.case .grid img{box-shadow:0 18px 44px rgba(34,32,25,0.12)}

/* Financial Times feature treated as a credential, not body text */
.ftstrip{background:#fff1e5}
.ftstrip .inner{padding:26px 0}
.ftstrip .label{color:#8a6b5a}
.ft-mark{font-size:20px;color:#211f1b;letter-spacing:0.005em}

/* Anchor the three offers at the top so uneven copy lengths don't read as ragged */
.offer{border-top:1px solid rgba(245,242,236,0.20);padding-top:24px}
.offer .n{margin-bottom:4px}