/* ==========================================================================
   AVRA Mineral Resources — shared stylesheet
   Every page links to this one file. Change a colour or size here and it
   updates across the whole site.
   ========================================================================== */

:root{
  --paper:#F1F0EC;
  --paper-2:#E6E5DF;
  --card:#FAFAF8;
  --ink:#17191C;
  --ink-2:#4C5158;
  --ink-3:#767C83;
  --oxide:#A33B1F;
  --oxide-lt:#C2542F;
  --slate:#22272C;
  --slate-2:#2E353C;
  --green:#3D9B46;
  --rule:#CFCDC5;
  --rule-dk:#3E464E;
  --sidew:254px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'Karla',system-ui,sans-serif;
  font-size:17px;
  line-height:1.68;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}

h1,h2,h3,h4{font-family:'Zilla Slab',Georgia,serif;font-weight:600;line-height:1.12;letter-spacing:-.01em}

/* ---------- shell + fixed left rail ---------- */
.side{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidew);
  background:var(--slate);color:#C3C9CE;
  display:flex;flex-direction:column;
  padding:30px 26px 26px;
  border-right:1px solid var(--rule-dk);
  overflow-y:auto;
}
.main{margin-left:var(--sidew);min-height:100vh;display:flex;flex-direction:column}
.inner{padding:66px 60px 40px;max-width:1010px;flex:1}

.sidebrand{display:flex;align-items:center;gap:12px;text-decoration:none;margin-bottom:44px}
.sidebrand img{height:44px;width:auto;flex:none}
.sidebrand b{font-family:'Zilla Slab',serif;font-weight:600;font-size:1.3rem;color:#fff;
  letter-spacing:.01em;display:block;line-height:1}
.sidebrand i{font-style:normal;display:block;font-size:.6rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--green);margin-top:6px;font-weight:700}

.sidenav{display:flex;flex-direction:column}
.sidenav a{
  color:#AFB6BC;text-decoration:none;font-size:.95rem;
  padding:11px 0 11px 16px;border-left:2px solid transparent;
  transition:color .15s ease,border-color .15s ease;
}
.sidenav a:hover{color:#fff;border-left-color:var(--ink-3)}
.sidenav a.on{color:#fff;border-left-color:var(--oxide-lt);font-weight:700}

.sidefoot{margin-top:auto;padding-top:34px;font-size:.78rem;line-height:1.7;color:#7E858C}
.sidefoot a{color:#AFB6BC;text-decoration:none;border-bottom:1px solid var(--rule-dk)}
.sidefoot a:hover{color:#fff}
.sidefoot span{display:block;margin-top:12px;letter-spacing:.08em;font-size:.68rem;text-transform:uppercase}

/* ---------- document header ---------- */
.dochead{border-bottom:2px solid var(--ink);padding-bottom:26px;margin-bottom:44px}
.folio{
  font-size:.68rem;font-weight:700;letter-spacing:.24em;text-transform:uppercase;
  color:var(--oxide);margin-bottom:22px;
}
.dochead h1{font-size:clamp(2.3rem,4.6vw,3.6rem);max-width:15em}
.dochead .stand{
  font-family:'Zilla Slab',serif;font-size:1.22rem;line-height:1.5;color:var(--ink-2);
  margin-top:22px;max-width:34em;font-weight:400;
}

/* ---------- signature: margin-note document grid ---------- */
.doc{display:grid;grid-template-columns:172px 1fr;gap:42px;
  padding:34px 0;border-top:1px solid var(--rule)}
.doc:first-of-type{border-top:none;padding-top:6px}
.doc .mk{
  font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-3);line-height:1.7;padding-top:5px;
}
.doc .mk em{font-style:normal;display:block;color:var(--oxide);margin-top:5px}
.doc .bd h2{font-size:1.62rem;margin-bottom:14px}
.doc .bd h3{font-size:1.16rem;margin-bottom:10px}
.doc .bd p + p{margin-top:15px}
.doc .bd p{color:var(--ink-2)}
.doc .bd > p:first-child{color:var(--ink)}

/* ---------- ruled lists (no cards) ---------- */
.ruled{list-style:none;margin:0;border-top:1px solid var(--rule)}
.ruled li{border-bottom:1px solid var(--rule);padding:17px 0 17px 30px;position:relative;color:var(--ink-2)}
.ruled li::before{content:"";position:absolute;left:0;top:29px;width:14px;height:2px;background:var(--oxide)}
.ruled li b{color:var(--ink);font-weight:700}

/* material index on the home page */
.index-item{
  display:grid;grid-template-columns:172px 1fr auto;gap:42px;align-items:center;
  padding:30px 0;border-top:1px solid var(--rule);text-decoration:none;color:inherit;
  transition:background .15s ease;
}
.index-item:last-of-type{border-bottom:1px solid var(--rule)}
.index-item:hover{background:rgba(163,59,31,.05)}
.index-item .n{font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}
.index-item h3{font-family:'Zilla Slab',serif;font-size:1.85rem;font-weight:600;margin-bottom:5px}
.index-item p{font-size:.95rem;color:var(--ink-2)}
.index-item .go{color:var(--oxide);font-weight:700;font-size:.92rem;white-space:nowrap}

/* ---------- figures / specification block ---------- */
.spec{border-top:2px solid var(--ink);border-bottom:2px solid var(--ink);margin:14px 0 4px}
.spec .row{display:grid;grid-template-columns:200px 1fr;gap:30px;
  padding:15px 0;border-bottom:1px solid var(--rule)}
.spec .row:last-child{border-bottom:none}
.spec dt{font-size:.72rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;
  color:var(--ink-3);padding-top:4px}
.spec dd{margin:0;color:var(--ink)}

/* ---------- stages, vertical ---------- */
.stage{display:grid;grid-template-columns:172px 1fr;gap:42px;
  padding:30px 0;border-top:1px solid var(--rule)}
.stage .sn{font-family:'Zilla Slab',serif;font-size:2.4rem;font-weight:600;
  color:var(--oxide);line-height:1;opacity:.32}
.stage h3{font-size:1.32rem;margin-bottom:10px}
.stage p{color:var(--ink-2)}

/* ---------- pull quote / emphasis band ---------- */
.pull{
  border-left:3px solid var(--oxide);padding:6px 0 6px 28px;margin:40px 0;
  font-family:'Zilla Slab',serif;font-size:1.45rem;line-height:1.42;color:var(--ink);
}

/* ---------- inline links ---------- */
.tlink{color:var(--oxide);font-weight:700;text-decoration:none;
  border-bottom:2px solid rgba(163,59,31,.3)}
.tlink:hover{border-bottom-color:var(--oxide)}

.nextup{margin-top:56px;padding-top:26px;border-top:2px solid var(--ink);
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:baseline}
.nextup .lbl{font-size:.68rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3)}

/* ---------- form: underlined fields, single column ---------- */
.enq{max-width:660px;margin-top:8px}
.fld{margin-bottom:28px}
.fld label{display:block;font-size:.7rem;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink-3);margin-bottom:8px}
.fld input,.fld select,.fld textarea{
  width:100%;border:none;border-bottom:1px solid var(--ink);background:transparent;
  font-family:'Karla',sans-serif;font-size:1.05rem;color:var(--ink);
  padding:8px 2px;border-radius:0;
}
.fld textarea{min-height:96px;resize:vertical;border:1px solid var(--rule);padding:12px;background:var(--card)}
.fld input:focus,.fld select:focus,.fld textarea:focus{
  outline:none;border-color:var(--oxide);border-bottom-width:2px}
.fld select{appearance:none;cursor:pointer}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.send{
  background:var(--oxide);color:#fff;border:none;cursor:pointer;
  font-family:'Karla',sans-serif;font-weight:700;font-size:.82rem;letter-spacing:.16em;
  text-transform:uppercase;padding:17px 44px;transition:background .16s ease;
}
.send:hover{background:var(--oxide-lt)}
.formnote{font-size:.84rem;color:var(--ink-3);margin-top:16px}

/* ---------- page foot ---------- */
.pagefoot{
  border-top:1px solid var(--rule);padding:26px 60px 40px;
  font-size:.78rem;color:var(--ink-3);
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.pagefoot .cin{letter-spacing:.1em;text-transform:uppercase;font-size:.7rem;font-weight:700}

a:focus-visible,button:focus-visible{outline:2px solid var(--oxide);outline-offset:3px}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .side{position:static;width:100%;height:auto;flex-direction:row;align-items:center;
    gap:22px;padding:14px 22px;overflow-x:auto;border-right:none;
    border-bottom:1px solid var(--rule-dk)}
  .sidebrand{margin-bottom:0;flex:none}
  .sidebrand img{height:36px}
  .sidenav{flex-direction:row;gap:6px}
  .sidenav a{padding:7px 12px;border-left:none;border-bottom:2px solid transparent;white-space:nowrap}
  .sidenav a:hover{border-left:none;border-bottom-color:var(--ink-3)}
  .sidenav a.on{border-left:none;border-bottom-color:var(--oxide-lt)}
  .sidefoot{display:none}
  .main{margin-left:0}
  .inner{padding:44px 30px 32px}
  .pagefoot{padding:24px 30px 36px}
}
@media (max-width:720px){
  .doc,.stage,.spec .row{grid-template-columns:1fr;gap:14px}
  .stage .sn{font-size:1.6rem}
  .index-item{grid-template-columns:1fr;gap:10px}
  .index-item .go{margin-top:4px}
  .pair{grid-template-columns:1fr;gap:0}
  .inner{padding:34px 22px 28px}
  .pagefoot{padding:22px 22px 32px}
  .pull{font-size:1.2rem;padding-left:20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto}
}