/* ============================================================
   Linden Street Studio — brand chrome, one copy for every page:
   palette tokens, header, navs, buttons, footer, and the shared
   floor (box model, focus ring, skip link, image sizing). Pages
   layer their own styles after this file, so a page-local rule
   of equal specificity deliberately wins.
   ============================================================ */
:root{
  --ink:#14150F;
  --ink-soft:#54564A;
  --paper:#FAF9F5;
  --paper-2:#F1EFE7;
  --moss:#6B7050;
  --moss-deep:#535840;
  --moss-tint:#EDEEE4;
  --berry:#9E2E4E;    /* berry pop to lift the muted palette */
  --berry-deep:#7C2440;   /* hover/pressed state of the berry */
  --berry-tint:color-mix(in srgb,var(--berry) 9%,var(--white));
  --line:#DFDDD1;
  --white:#FFFFFF;

  --maxw:1120px;
  --gap:clamp(1rem,4vw,2.5rem);

  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:Georgia,"Times New Roman","Iowan Old Style",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
/* height:auto is required, not optional: every <img> carries width/height
   attributes to stop layout shift, and without this the attribute height wins
   and the image renders squashed. */
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gap)}
:focus-visible{outline:2.5px solid var(--moss);outline-offset:3px;border-radius:2px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:100}
.skip:focus{left:.5rem;top:.5rem}

/* ---------- header ---------- */
header.site{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 90%,transparent);backdrop-filter:saturate(120%) blur(8px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:.9rem}
.brand{display:flex;align-items:center;gap:.15rem;font-weight:600;font-size:1.08rem;letter-spacing:-0.01em;text-decoration:none;color:var(--ink)}
.brand .brand-leaf{width:22px;height:22px;flex:0 0 auto;color:var(--berry);fill:currentColor}

/* the full nav: marketing and case-study pages; collapses behind Menu */
nav.main{display:flex;align-items:center;gap:1.7rem}
nav.main a:not(.btn){text-decoration:none;color:var(--ink-soft);font-size:.95rem;font-weight:500}
nav.main a:not(.btn):hover{color:var(--ink)}
.nav-toggle{display:none}
@media (max-width:820px){
  nav.main{display:none}
  .nav-toggle{display:inline-flex;align-items:center;gap:.4rem;background:none;border:1px solid var(--line);border-radius:2px;padding:.5rem .7rem;font:inherit;font-size:.9rem;color:var(--ink);cursor:pointer}
  nav.main.open{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--white);border-bottom:1px solid var(--line);padding:.5rem var(--gap) 1rem}
  nav.main.open a{padding:.7rem 0;border-bottom:1px solid var(--line)}
  nav.main.open .btn{margin-top:.7rem;text-align:center}
}
/* the short nav: legal and error pages; few links, wraps, never collapses */
nav.mini{display:flex;align-items:center;gap:1.2rem;flex-wrap:wrap}
nav.mini a:not(.btn){text-decoration:none;color:var(--ink-soft);font-size:.95rem;font-weight:500}
nav.mini a:not(.btn):hover{color:var(--ink)}

/* ---------- buttons ---------- */
.btn{display:inline-block;text-decoration:none;font-weight:600;padding:.6rem 1.05rem;font-size:.95rem;line-height:1;border:1px solid transparent;border-radius:2px}
.btn-primary{background:var(--berry);color:#fff}
.btn-primary:hover{background:var(--berry-deep)}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}

/* ---------- footer ---------- */
footer.site{background:var(--paper-2);border-top:1px solid var(--line);color:var(--ink-soft);padding-block:2.2rem;font-size:.9rem}
footer.site .wrap{display:flex;flex-wrap:wrap;gap:1rem 2rem;justify-content:space-between;align-items:center}
footer.site a{color:var(--ink);text-decoration:none;border-bottom:2px solid var(--moss)}
footer.site .legal-links a{margin-left:1.2rem}