/* ============================================================
   OwnerBuild OS — shared styles
   Architect's graph paper + blueprint blue + terracotta.
   ============================================================ */

:root{
  --paper:#F8F3EA; --paper-2:#F1EADC; --white:#FFFFFF;
  --ink:#2A251D; --ink-soft:#6E6657;
  --blue:#33598F; --blue-soft:#8FA9CC; --blue-wash:#E6EDF6; --blue-deep:#284871;
  --terra:#C56A45; --terra-deep:#A9532F; --terra-wash:#F6E7E0;
  --leaf:#5C7F5A;
  --line:rgba(42,37,29,.14);
  --serif:"Fraunces",Georgia,serif;
  --sans:"Public Sans",system-ui,-apple-system,sans-serif;
  --pad:clamp(1.2rem,4vw,3rem);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}

/* --- the architect's graph paper --- */
body{
  background-color:var(--paper);
  background-image:
    linear-gradient(rgba(51,89,143,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(51,89,143,.055) 1px, transparent 1px),
    linear-gradient(rgba(51,89,143,.085) 1px, transparent 1px),
    linear-gradient(90deg, rgba(51,89,143,.085) 1px, transparent 1px);
  background-size:28px 28px, 28px 28px, 140px 140px, 140px 140px;
  color:var(--ink); font-family:var(--sans); line-height:1.6; overflow-x:hidden;
}

.wrap{max-width:1180px;margin:0 auto;padding:0 var(--pad)}

/* --- nav --- */
.nav{display:flex;align-items:center;justify-content:space-between;padding:1.4rem 0;gap:1rem}
.brand{display:flex;align-items:center;gap:.6rem;font-family:var(--serif);font-weight:640;
  font-size:1.35rem;color:var(--ink);text-decoration:none;white-space:nowrap}
.brand svg{width:30px;height:30px;flex:none}
.navlinks{display:flex;gap:clamp(1rem,2.2vw,2rem);align-items:center;font-size:.92rem;font-weight:500}
.navlinks a{color:var(--ink-soft);text-decoration:none;transition:color .2s}
.navlinks a:hover{color:var(--blue)}
.navlinks a.is-on{color:var(--blue);font-weight:700}
@media(max-width:860px){.navlinks a:not(.btn){display:none}}
/* "OwnerBuild OS" is a wide lockup — on small phones it and the CTA together
   overflow the bar, which wrapped the button onto two lines. Shrink the brand
   and tighten the button rather than letting either wrap. */
@media(max-width:480px){
  .brand{font-size:1.12rem;gap:.45rem}
  .brand svg{width:26px;height:26px}
  .navlinks a.btn{padding:.72rem 1.05rem;font-size:.88rem}
}
@media(max-width:380px){
  .nav{gap:.6rem}
  .brand{font-size:1rem;gap:.38rem}
  .brand svg{width:23px;height:23px}
  .navlinks a.btn{padding:.66rem .85rem;font-size:.82rem}
}

/* --- buttons --- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  background:var(--terra);color:#fff;font-weight:600;font-size:.95rem;font-family:var(--sans);
  padding:.85rem 1.6rem;border-radius:10px;text-decoration:none;border:none;cursor:pointer;white-space:nowrap;
  box-shadow:0 2px 0 var(--terra-deep);transition:transform .15s ease, box-shadow .15s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 4px 0 var(--terra-deep)}
.btn:active{transform:translateY(1px);box-shadow:0 1px 0 var(--terra-deep)}
.btn.ghost{background:transparent;color:var(--blue);box-shadow:inset 0 0 0 1.5px var(--blue)}
.btn.ghost:hover{box-shadow:inset 0 0 0 1.5px var(--blue), 0 3px 10px rgba(51,89,143,.15)}
.btn.blue{background:var(--blue);box-shadow:0 2px 0 var(--blue-deep);color:#fff}
.btn.blue:hover{box-shadow:0 4px 0 var(--blue-deep)}
.navlinks a.btn{color:#fff}
.navlinks a.btn.ghost{color:var(--blue)}

/* --- section furniture --- */
.eyebrow{font-size:.74rem;letter-spacing:.26em;text-transform:uppercase;color:var(--blue);
  font-weight:700;margin-bottom:1rem}
.h-xl{font-family:var(--serif);font-weight:640;font-size:clamp(2.4rem,5.2vw,4.2rem);
  line-height:1.04;letter-spacing:-.01em}
.h-lg{font-family:var(--serif);font-weight:640;font-size:clamp(1.9rem,3.6vw,2.9rem);line-height:1.1}
.h-md{font-family:var(--serif);font-weight:560;font-size:clamp(1.3rem,2.2vw,1.7rem);line-height:1.15}
.accent{color:var(--terra);font-style:italic;font-weight:560}
.lede{color:var(--ink-soft);font-size:clamp(1rem,1.3vw,1.14rem);max-width:58ch}

/* dimension-line annotation (architect drawing detail) */
.dim{width:min(340px,86%);margin-top:.4rem}
.dim svg{width:100%;overflow:visible}
.dim text{font-family:var(--sans);font-size:13px;font-weight:600;fill:var(--blue)}
.dim line,.dim path{stroke:var(--blue);stroke-width:1.5;fill:none}

/* --- reveal --- */
.rev{opacity:0;transform:translateY(20px);transition:opacity .7s ease, transform .7s cubic-bezier(.22,1,.36,1)}
.rev.on{opacity:1;transform:none}

/* --- footer --- */
.site-footer{border-top:1px solid var(--line);margin-top:2rem;padding:2.4rem 0 3rem;
  display:flex;flex-wrap:wrap;gap:1.2rem;align-items:center;justify-content:space-between}
.site-footer .fb{font-family:var(--serif);font-weight:640;font-size:1.1rem;display:flex;align-items:center;gap:.5rem}
.site-footer .fb svg{width:24px;height:24px}
.site-footer .fl{display:flex;gap:1.4rem;flex-wrap:wrap;font-size:.86rem}
.site-footer .fl a{color:var(--ink-soft);text-decoration:none}
.site-footer .fl a:hover{color:var(--blue)}
.site-footer .fm{font-size:.78rem;color:var(--ink-soft);width:100%}

/* --- footer consent line (shown on every page) --- */
.site-footer .fc{width:100%;font-size:.78rem;color:var(--ink-soft);line-height:1.6;
  padding-top:1rem;border-top:1px solid var(--line)}
.site-footer .fc a{color:var(--blue);text-decoration:underline;text-underline-offset:2px}

/* --- legal pages --- */
.legal-head{max-width:820px;padding:2.4rem 0 1rem}
.legal-head .updated{margin-top:.9rem;font-size:.85rem;color:var(--ink-soft)}
.legal-body{max-width:820px;padding:1.8rem 0 4rem;color:var(--ink-soft);font-size:.97rem;line-height:1.75}
.legal-body h2{font-family:var(--serif);font-weight:640;font-size:clamp(1.25rem,2.2vw,1.6rem);
  color:var(--ink);line-height:1.2;margin:2.4rem 0 .9rem;padding-top:1.6rem;border-top:1px solid var(--line)}
.legal-body h2:first-child{margin-top:0;padding-top:0;border-top:none}
.legal-body h3{font-family:var(--serif);font-weight:560;font-size:1.1rem;color:var(--ink);margin:1.6rem 0 .5rem}
.legal-body p{margin:0 0 1rem}
.legal-body ul,.legal-body ol{margin:0 0 1rem;padding-left:1.3rem;display:flex;flex-direction:column;gap:.6rem}
.legal-body li::marker{color:var(--terra);font-weight:700}
.legal-body strong{color:var(--ink);font-weight:700}
.legal-body a{color:var(--blue);text-decoration:underline;text-underline-offset:2px}
.legal-note{background:var(--blue-wash);border:1px solid rgba(51,89,143,.22);border-radius:14px;
  padding:1.2rem 1.4rem;margin:1.6rem 0;color:var(--ink);font-size:.93rem}
.legal-note strong{color:var(--blue)}
.legal-warn{background:var(--terra-wash);border:1px solid rgba(197,106,69,.3);border-radius:14px;
  padding:1.2rem 1.4rem;margin:1.6rem 0;color:var(--ink);font-size:.93rem}
.legal-warn strong{color:var(--terra-deep)}
.legal-oath{counter-reset:oath;list-style:none;padding-left:0;gap:.9rem}
.legal-oath li{position:relative;padding-left:2.6rem;color:var(--ink)}
.legal-oath li::before{counter-increment:oath;content:counter(oath,decimal-leading-zero);
  position:absolute;left:0;top:.05em;font-family:var(--serif);font-weight:640;font-size:.95rem;
  color:var(--terra);letter-spacing:.02em}
.legal-nav{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.4rem 0 0}
.legal-nav a{font-size:.8rem;font-weight:700;letter-spacing:.02em;padding:.4rem .85rem;border-radius:999px;
  text-decoration:none;background:var(--white);border:1px solid var(--line);color:var(--ink-soft)}
.legal-nav a:hover{border-color:var(--blue);color:var(--blue)}
.legal-nav a.is-on{background:var(--blue-wash);border-color:rgba(51,89,143,.3);color:var(--blue)}

/* --- shared lightbox (projects) --- */
.lb{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity .3s ease, visibility .3s}
.lb.is-open{opacity:1;visibility:visible}
.lb__bd{position:absolute;inset:0;background:rgba(28,24,18,.9);backdrop-filter:blur(6px)}
.lb__stage{position:relative;z-index:1;width:min(90vw,1200px);height:min(84vh,860px);
  display:flex;align-items:center;justify-content:center}
.lb__img{max-width:100%;max-height:100%;object-fit:contain;border-radius:6px;
  box-shadow:0 24px 70px rgba(0,0,0,.5);opacity:0;transition:opacity .25s ease}
.lb__img.on{opacity:1}
.lb__x,.lb__nav{position:absolute;z-index:2;border:1px solid rgba(248,243,234,.25);
  background:rgba(42,37,29,.55);color:var(--paper);border-radius:50%;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:border-color .2s,color .2s}
.lb__x{top:clamp(1rem,3vh,2rem);right:clamp(1rem,3vw,2rem);width:44px;height:44px;font-size:1.4rem}
.lb__nav{top:50%;transform:translateY(-50%);width:50px;height:50px;font-size:1.8rem}
.lb__nav.prev{left:clamp(.6rem,3vw,2rem)} .lb__nav.next{right:clamp(.6rem,3vw,2rem)}
.lb__x:hover,.lb__nav:hover{border-color:var(--terra);color:var(--terra)}
.lb__cap{position:absolute;left:0;right:0;bottom:clamp(1rem,3vh,2rem);z-index:2;text-align:center;
  color:rgba(248,243,234,.8);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase}

@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .rev{opacity:1;transform:none}
}