/* ============================================================
   THISTLE & CAIRN — site styles
   Light theme (A) + Dark theme (B), auto via prefers-color-scheme
   with manual override on <html data-theme>. Purple = primary
   accent, green = secondary. Sentence case throughout.
   ============================================================ */

/* ---------- LIGHT (default) ---------- */
:root{
  --bg:#f4f1ea;
  --surface:#ece4d4;
  --surface-2:#e4dbc8;
  --panel-bg:#222a20;        /* inverse moss panel */
  --panel-text:#eee7d8;
  --panel-soft:#bcae98;
  --panel-line:rgba(200,186,156,.16);

  --text:#252a20;
  --text-soft:#535949;
  --text-faint:#878b7b;

  --line:rgba(37,42,32,.13);
  --line-strong:rgba(37,42,32,.22);

  --accent:#6e5b91;          /* thistle purple */
  --accent-hover:#594879;
  --accent-soft:#8a77ac;
  --green:#4e7a48;           /* secondary green */
  --green-soft:#6f9a67;
  --stone:#8f7d62;

  --card:#ece4d4;
  --card-border:rgba(37,42,32,.09);
  --shadow:0 1px 2px rgba(37,42,32,.05), 0 10px 34px rgba(37,42,32,.06);

  --maxw:1180px;
  --gutter:clamp(22px, 5vw, 72px);

  --font-display:'Bricolage Grotesque', system-ui, -apple-system, sans-serif;
  --font-body:'Hanken Grotesk', system-ui, -apple-system, sans-serif;
  --font-mono:ui-monospace,'SFMono-Regular',Menlo,Consolas,monospace;

  color-scheme:light;
}

/* ---------- DARK (manual) ---------- */
html[data-theme="dark"]{
  --bg:#161b16;
  --surface:#1f271f;
  --surface-2:#2a342a;
  --panel-bg:#212a21;
  --panel-text:#efe8da;
  --panel-soft:#bcae98;
  --panel-line:rgba(200,186,156,.14);

  --text:#efe8da;
  --text-soft:#bdb19b;
  --text-faint:#8a8d7d;

  --line:rgba(200,186,156,.14);
  --line-strong:rgba(200,186,156,.24);

  --accent:#a78fc6;
  --accent-hover:#bca6d8;
  --accent-soft:#b9a5d6;
  --green:#88aa79;
  --green-soft:#a0bf91;
  --stone:#b6aa92;

  --card:#1f271f;
  --card-border:rgba(200,186,156,.11);
  --shadow:0 1px 2px rgba(0,0,0,.3), 0 14px 44px rgba(0,0,0,.4);

  color-scheme:dark;
}

/* ---------- DARK (auto, unless user forced light) ---------- */
@media (prefers-color-scheme: dark){
  html:not([data-theme="light"]){
    --bg:#161b16;
    --surface:#1f271f;
    --surface-2:#2a342a;
    --panel-bg:#212a21;
    --panel-text:#efe8da;
    --panel-soft:#bcae98;
    --panel-line:rgba(200,186,156,.14);

    --text:#efe8da;
    --text-soft:#bdb19b;
    --text-faint:#8a8d7d;

    --line:rgba(200,186,156,.14);
    --line-strong:rgba(200,186,156,.24);

    --accent:#a78fc6;
    --accent-hover:#bca6d8;
    --accent-soft:#b9a5d6;
    --green:#88aa79;
    --green-soft:#a0bf91;
    --stone:#b6aa92;

    --card:#1f271f;
    --card-border:rgba(200,186,156,.11);
    --shadow:0 1px 2px rgba(0,0,0,.3), 0 14px 44px rgba(0,0,0,.4);

    color-scheme:dark;
  }
}

/* ---------- base ---------- */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;line-height:1.62;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  transition:background .4s ease, color .4s ease;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.05;
  letter-spacing:-.018em;text-wrap:balance}
p{text-wrap:pretty}
a{color:inherit;text-decoration:none}
svg{display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.accent{color:var(--accent)}
.green{color:var(--green)}

/* eyebrow — sentence case, mono, restrained */
.eyebrow{
  font-family:var(--font-mono);
  font-size:13px;letter-spacing:.01em;font-weight:500;
  color:var(--accent);
}
.eyebrow .tick{color:var(--text-faint)}

/* mono micro-labels — sentence case now */
.label{
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.01em;
  color:var(--stone);font-weight:500;
}

/* marks */
.mark{color:var(--accent)}
.mark.stone{color:var(--stone)}
.mark.green{color:var(--green)}

/* image placeholder */
.ph{
  position:relative;overflow:hidden;border-radius:3px;
  background-color:var(--surface-2);
  background-image:repeating-linear-gradient(135deg,
    color-mix(in srgb, var(--accent) 14%, transparent) 0 2px, transparent 2px 12px);
  display:flex;align-items:flex-end;
}
.ph .tag{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.02em;
  color:var(--text-soft);background:color-mix(in srgb, var(--bg) 80%, transparent);
  padding:6px 10px;margin:12px;border-radius:2px;backdrop-filter:blur(2px);
}

/* uncertain-copy marker */
.todo{border-bottom:1px dotted currentColor;opacity:.9}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-body);
  font-weight:600;font-size:15px;padding:13px 24px;border-radius:3px;cursor:pointer;
  border:1px solid transparent;transition:.16s;white-space:nowrap;line-height:1}
.btn.fill{background:var(--accent);color:#fff}
.btn.fill:hover{background:var(--accent-hover)}
.btn.ghost{border-color:var(--line-strong);color:var(--text)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}

/* ============================================================
   NAV
   ============================================================ */
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .row{display:flex;align-items:center;justify-content:space-between;
  max-width:1280px;margin:0 auto;padding:18px var(--gutter)}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-display);
  font-weight:600;font-size:19px;letter-spacing:-.01em}
.brand .thistle{width:18px;height:26px;color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:15px;color:var(--text-soft);transition:color .15s;white-space:nowrap}
.nav-links a:hover{color:var(--accent)}
.theme-toggle{display:flex;align-items:center;justify-content:center;width:38px;height:38px;
  border-radius:3px;border:1px solid var(--line-strong);background:transparent;color:var(--text-soft);
  cursor:pointer;transition:.15s;margin-left:4px}
.theme-toggle:hover{color:var(--accent);border-color:var(--accent)}
.theme-toggle svg{width:18px;height:18px}
.theme-toggle .moon{display:none}
html[data-theme="dark"] .theme-toggle .sun{display:none}
html[data-theme="dark"] .theme-toggle .moon{display:block}
@media (prefers-color-scheme: dark){
  html:not([data-theme="light"]) .theme-toggle .sun{display:none}
  html:not([data-theme="light"]) .theme-toggle .moon{display:block}
}

/* ============================================================
   HERO — centered
   ============================================================ */
.hero{text-align:center;padding:clamp(70px,11vw,128px) 0 clamp(56px,8vw,96px)}
.hero .eyebrow{margin-bottom:26px}
.hero h1{font-size:clamp(44px,7vw,82px);max-width:16ch;margin:0 auto 26px;color:var(--text)}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .lede{font-size:clamp(18px,2.2vw,21px);line-height:1.55;color:var(--text-soft);
  max-width:54ch;margin:0 auto 36px}
.hero .cta{display:flex;gap:13px;justify-content:center;flex-wrap:wrap}

/* ============================================================
   ETHOS — the great &
   ============================================================ */
.ethos{position:relative;overflow:hidden;background:var(--surface);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ethos .row{position:relative;display:grid;grid-template-columns:auto 1fr;gap:clamp(30px,5vw,72px);
  align-items:center;padding:clamp(48px,7vw,84px) 0}
.ethos .amp{font-family:var(--font-display);font-weight:600;line-height:.74;
  font-size:clamp(150px,22vw,290px);color:var(--accent);opacity:.16;
  user-select:none;margin:-.1em 0}
.ethos p{font-family:var(--font-display);font-weight:500;font-size:clamp(24px,3.4vw,36px);
  line-height:1.28;color:var(--text);max-width:24ch}
.ethos p b{font-weight:500;color:var(--green)}
@media (max-width:720px){
  .ethos .row{grid-template-columns:1fr;gap:8px}
  .ethos .amp{font-size:130px}
}

/* ============================================================
   SECTION HEADS
   ============================================================ */
.sec{padding:clamp(64px,9vw,108px) 0}
.sec-head{margin-bottom:clamp(36px,5vw,54px)}
.sec-head.center{text-align:center}
.sec-head .eyebrow{display:block;margin-bottom:16px}
.sec-head h2{font-size:clamp(32px,4.6vw,50px);max-width:20ch;color:var(--text)}
.sec-head.center h2{margin:0 auto}

/* ============================================================
   PHILOSOPHY — cards with colored top border
   ============================================================ */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.pcard{background:var(--card);border:1px solid var(--card-border);border-radius:4px;
  border-top:3px solid var(--bdr);padding:clamp(28px,3vw,38px);box-shadow:var(--shadow)}
.pcard.thistle{--bdr:var(--accent)}
.pcard.cairn{--bdr:var(--stone)}
.pcard.cross{--bdr:var(--green)}
.pcard .mk{height:46px;margin-bottom:26px;display:flex;align-items:flex-end}
.pcard.thistle .mk{color:var(--accent)}
.pcard.cairn .mk{color:var(--stone)}
.pcard.cross .mk{color:var(--green)}
.pcard .mk .thistle{width:32px;height:46px}
.pcard .mk .cairn{width:46px;height:40px}
.pcard .mk .amp{font-family:var(--font-display);font-weight:600;font-size:44px;line-height:.8}
.pcard h3{font-size:26px;margin-bottom:8px;color:var(--text)}
.pcard .tags{font-family:var(--font-mono);font-size:12.5px;color:var(--stone);margin-bottom:18px}
.pcard p{font-size:15.5px;color:var(--text-soft);line-height:1.62}
@media (max-width:860px){.pillars{grid-template-columns:1fr;gap:14px}}

/* ============================================================
   THE WORK — feature + two service columns (responsive)
   ============================================================ */
.work-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:18px;align-items:stretch}
.wfeat{background:var(--panel-bg);color:var(--panel-text);border-radius:4px;overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--shadow)}
.wfeat .fig{height:clamp(170px,22vw,220px);background-color:#2c372c;
  background-image:repeating-linear-gradient(135deg,rgba(185,165,214,.16) 0 2px,transparent 2px 12px);
  display:flex;align-items:flex-end}
.wfeat .fig .tag{font-family:var(--font-mono);font-size:11.5px;color:var(--panel-soft);
  background:rgba(20,25,20,.5);padding:6px 10px;margin:12px;border-radius:2px}
.wfeat .body{padding:clamp(26px,3vw,34px);display:flex;flex-direction:column;flex:1}
.wfeat .pill{align-self:flex-start;font-family:var(--font-mono);font-size:11.5px;
  color:var(--accent-soft);border:1px solid var(--accent);border-radius:99px;
  padding:5px 12px;margin-bottom:18px}
.wfeat h3{font-size:clamp(26px,3vw,32px);color:#fff;margin-bottom:10px}
.wfeat p{color:var(--panel-soft);font-size:15.5px;margin-bottom:auto;max-width:42ch}
.wfeat .lk{margin-top:22px;align-self:flex-start;font-weight:600;color:var(--accent-soft);
  font-size:14.5px;border-bottom:1.5px solid var(--accent-soft);padding-bottom:2px}
.wcol{background:var(--card);border:1px solid var(--card-border);border-radius:4px;
  padding:clamp(26px,3vw,34px);display:flex;flex-direction:column;box-shadow:var(--shadow)}
.wcol .label{margin-bottom:22px;color:var(--green)}
.wcol ul{list-style:none}
.wcol li{padding:13px 0;border-top:1px solid var(--line);font-size:16.5px;
  display:flex;align-items:center;gap:12px;color:var(--text)}
.wcol li:first-child{border-top:none}
.wcol li .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none}
@media (max-width:920px){
  .work-grid{grid-template-columns:1fr 1fr}
  .wfeat{grid-column:1 / -1}
}
@media (max-width:560px){
  .work-grid{grid-template-columns:1fr}
}

/* ============================================================
   CONTACT
   ============================================================ */
/* Option A — two-column with form */
.contact-card{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,64px);
  background:var(--panel-bg);color:var(--panel-text);border-radius:5px;
  padding:clamp(40px,5vw,64px);box-shadow:var(--shadow);align-items:start}
.contact-card .eyebrow{color:var(--accent-soft);margin-bottom:18px;display:block}
.contact-card h2{font-size:clamp(30px,3.8vw,44px);color:#fff;margin-bottom:16px}
.contact-card .intro{color:var(--panel-soft);font-size:17px;max-width:36ch;margin-bottom:30px}
.contact-card .detail{margin-bottom:18px}
.contact-card .detail .label{color:var(--green-soft);margin-bottom:4px;display:block}
.contact-card .detail .val{font-size:18px;color:var(--panel-text)}
form .field{margin-bottom:18px}
form label{display:block;font-family:var(--font-mono);font-size:12.5px;color:var(--panel-soft);
  margin-bottom:8px}
form input,form textarea{width:100%;background:rgba(255,255,255,.05);
  border:1px solid var(--panel-line);border-radius:3px;padding:13px 15px;
  font-family:var(--font-body);font-size:15.5px;color:var(--panel-text);transition:.15s}
form input::placeholder,form textarea::placeholder{color:color-mix(in srgb,var(--panel-soft) 65%,transparent)}
form input:focus,form textarea:focus{outline:none;border-color:var(--accent-soft);
  background:rgba(255,255,255,.08)}
form textarea{resize:vertical;min-height:104px}
form .btn.fill{width:100%;justify-content:center;margin-top:4px}
form .formnote{font-family:var(--font-mono);font-size:11.5px;color:var(--panel-soft);
  opacity:.7;margin-top:12px;text-align:center}
@media (max-width:720px){.contact-card{grid-template-columns:1fr;gap:34px}}

/* Option B — centered "begin a conversation" */
.contact-center{text-align:center;padding:clamp(72px,9vw,112px) 0 clamp(48px,6vw,72px)}
.contact-center .eyebrow{display:block;margin-bottom:22px}
.contact-center h2{font-size:clamp(38px,5.5vw,62px);color:var(--text);margin-bottom:20px}
.contact-center p{color:var(--text-soft);font-size:18px;max-width:44ch;margin:0 auto 34px}

/* ============================================================
   FOOTER
   ============================================================ */
.foot{border-top:1px solid var(--line);padding:42px 0 56px;
  display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.foot .brand{font-size:17px}
.foot .meta{color:var(--text-faint);font-size:14px}
.foot .fnav{display:flex;gap:22px}
.foot .fnav a{color:var(--text-soft);font-size:14px}
.foot .fnav a:hover{color:var(--accent)}
@media (max-width:560px){.foot{flex-direction:column;align-items:flex-start;gap:14px}}
