/* ============================================================
   OXUS HOME — site stylesheet
   Palette: Bone #F4F1EA · River teal #0F6E56 · Ink #2C2C2A · Stone #B4B2A9
   Type: Fraunces (headings) · Inter (body)
   ============================================================ */
:root{
  --bone:#F4F1EA; --teal:#0F6E56; --teal-dark:#0C5A45; --ink:#2C2C2A;
  --stone:#B4B2A9; --stone-dark:#8A887E; --bone-deep:#EAE6DC; --panel:#EFEBE1;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{background:var(--bone);color:var(--ink);font-family:'Inter',sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;}
h1,h2,h3,.serif{font-family:'Fraunces',serif;font-weight:500;line-height:1.15;}
a{color:var(--teal);text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px;}
.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);font-weight:600;margin-bottom:14px;}
.btn{display:inline-block;padding:14px 30px;font-family:'Inter',sans-serif;font-size:14.5px;font-weight:600;letter-spacing:.02em;border:1px solid var(--teal);border-radius:2px;cursor:pointer;transition:all .18s ease;}
.btn-solid{background:var(--teal);color:var(--bone);}
.btn-solid:hover{background:var(--teal-dark);color:var(--bone);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal);}
section{padding:84px 0;}
.sec-head{max-width:660px;margin-bottom:48px;}
.sec-head h2{font-size:34px;margin-bottom:14px;}
.sec-head p{color:var(--stone-dark);font-size:17px;}

/* river line — once in the header lockup; once on the homepage hero */
.river{height:6px;background:var(--teal);clip-path:polygon(0 30%,14% 10%,30% 0,55% 4%,78% 42%,100% 100%,55% 100%,30% 96%,10% 88%,0 68%);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(244,241,234,.97);backdrop-filter:blur(6px);border-bottom:1px solid var(--stone);}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px;gap:20px;flex-wrap:nowrap;}
.lockup{display:flex;flex-direction:column;gap:4px;flex-shrink:0;}
.lockup .word{font-family:'Fraunces',serif;font-weight:500;font-size:21px;letter-spacing:.13em;color:var(--ink);white-space:nowrap;}
.lockup .river{width:100%;height:4px;}
nav.menu{display:flex;gap:20px;font-size:14px;font-weight:500;align-items:center;flex-wrap:nowrap;flex-shrink:0;}
nav.menu > a, nav.menu .dd > a{color:var(--ink);padding:6px 0;white-space:nowrap;}
nav.menu .dd{flex-shrink:0;}
nav.menu > a:hover, nav.menu .dd > a:hover{color:var(--teal);}
nav.menu a.active{color:var(--teal);border-bottom:2px solid var(--teal);}
.dd{position:relative;}
.dd > a::after{content:" ▾";font-size:10px;color:var(--stone-dark);}
.dd-menu{position:absolute;top:100%;left:-18px;background:var(--bone);border:1px solid var(--stone);min-width:230px;padding:10px 0;display:none;box-shadow:0 10px 24px rgba(44,44,42,.08);}
.dd:hover .dd-menu, .dd.open .dd-menu{display:block;}
.dd-menu a{display:block;padding:10px 20px;color:var(--ink);font-size:14px;}
.dd-menu a:hover{background:var(--panel);color:var(--teal);}
.nav-right{display:flex;align-items:center;gap:20px;flex-shrink:0;}
.site-header .btn{padding:11px 22px;font-size:13.5px;}
.burger{display:none;background:none;border:1px solid var(--stone);border-radius:2px;width:42px;height:40px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;}
.burger span{display:block;width:18px;height:2px;background:var(--ink);transition:transform .2s;}
.mobile-menu{display:none;border-top:1px solid var(--stone);background:var(--bone);padding:12px 32px 24px;}
.mobile-menu a{display:block;padding:12px 0;color:var(--ink);font-size:16px;border-bottom:1px solid var(--bone-deep);}
.mobile-menu .sub{padding-left:18px;font-size:14.5px;color:var(--stone-dark);}
.mobile-menu .cta{margin-top:16px;padding:14px 22px;background:var(--teal);color:var(--bone);text-align:center;border-radius:2px;border-bottom:none;}
.mobile-menu.open{display:block;}

/* ---------- heroes ---------- */
.hero{position:relative;overflow:hidden;padding:104px 0 96px;}
.hero-copy{position:relative;z-index:1;max-width:560px;}
.hero h1{font-size:52px;margin:0 0 22px;}
.hero .sub{font-size:18px;max-width:540px;margin-bottom:36px;}
.hero .ctas{display:flex;gap:16px;flex-wrap:wrap;}
.hero .river{width:180px;margin:26px 0 0;}
.hero-photo{position:absolute;top:0;right:0;bottom:0;width:44%;}
.hero-photo img{width:100%;height:100%;object-fit:cover;display:block;}
.page-hero{padding:88px 0 72px;border-bottom:1px solid var(--stone);background:var(--panel);}
.page-hero h1{font-size:44px;max-width:760px;margin-bottom:18px;}
.page-hero .sub{font-size:18px;color:var(--ink);max-width:640px;}
.page-hero .ctas{margin-top:32px;display:flex;gap:16px;flex-wrap:wrap;}
.crumb{font-size:13px;color:var(--stone-dark);margin-bottom:26px;}
.crumb a{color:var(--stone-dark);}
.crumb a:hover{color:var(--teal);}

/* ---------- imagery: photographs + woven-texture panels ---------- */
.ph{position:relative;overflow:hidden;background:linear-gradient(160deg,var(--bone-deep),#DEDACE);border:1px solid var(--stone);min-height:300px;}
.ph::before{content:"";position:absolute;inset:0;background-image:
  repeating-linear-gradient(45deg, rgba(44,44,42,.045) 0px, rgba(44,44,42,.045) 1px, transparent 1px, transparent 13px),
  repeating-linear-gradient(-45deg, rgba(180,178,169,.16) 0px, rgba(180,178,169,.16) 1px, transparent 1px, transparent 13px);
}
.ph.has-photo::before{display:none;}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;}
.ph span{display:none;}

/* ---------- cards ---------- */
.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.cards2{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.card{background:var(--bone);border:1px solid var(--stone);display:flex;flex-direction:column;transition:border-color .18s;}
.card:hover{border-color:var(--teal);}
.card .ph{min-height:190px;border:none;border-bottom:1px solid var(--stone);}
.card .body{padding:28px 26px 30px;display:flex;flex-direction:column;flex:1;}
.card h3{font-size:21px;margin-bottom:12px;}
.card p{font-size:15px;flex:1;}
.card .link{margin-top:20px;font-size:14px;font-weight:600;color:var(--teal);}

/* ---------- panels & split layouts ---------- */
.panel{background:var(--panel);border-top:1px solid var(--stone);border-bottom:1px solid var(--stone);}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.split h2{font-size:32px;margin-bottom:16px;}
.split p{font-size:16.5px;max-width:520px;}
.split p + p{margin-top:14px;}

/* ---------- feature grid ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:34px;}
.feat-grid.cols3{grid-template-columns:repeat(3,1fr);}
.feat-grid h3{font-size:19px;margin-bottom:10px;}
.feat-grid p{font-size:14.5px;}
.feat-grid .num{font-family:'Fraunces',serif;color:var(--stone);font-size:15px;margin-bottom:14px;display:block;}

/* ---------- dark strip ---------- */
.dark{background:var(--ink);color:var(--bone);}
.dark .eyebrow{color:var(--bone);opacity:.7;}
.dark h2{color:var(--bone);font-size:34px;margin-bottom:18px;}
.dark p{color:#D9D6CC;}
.dark .ph{background:linear-gradient(160deg,#3A3A37,#454540);border-color:#55554F;}
.dark .ph span{color:#9C9A90;}

/* ---------- lists ---------- */
.checklist{list-style:none;}
.checklist li{padding:14px 0 14px 34px;position:relative;border-bottom:1px solid var(--bone-deep);font-size:15.5px;}
.checklist li::before{content:"—";position:absolute;left:4px;color:var(--teal);font-weight:600;}
.checklist li strong{display:block;font-size:16px;margin-bottom:2px;}

/* ---------- tables ---------- */
table{width:100%;border-collapse:collapse;font-size:15px;}
th{font-family:'Inter',sans-serif;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--stone-dark);text-align:left;padding:12px 16px;border-bottom:2px solid var(--stone);}
td{padding:15px 16px;border-bottom:1px solid var(--bone-deep);vertical-align:top;}
td:first-child{font-weight:600;}

/* ---------- accordion ---------- */
.accordion{border-top:1px solid var(--stone);}
.acc-item{border-bottom:1px solid var(--stone);}
.acc-item button{width:100%;background:none;border:none;text-align:left;padding:22px 40px 22px 4px;font-family:'Fraunces',serif;font-size:19px;color:var(--ink);cursor:pointer;position:relative;}
.acc-item button::after{content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--teal);font-family:'Inter',sans-serif;}
.acc-item.open button::after{content:"–";}
.acc-body{display:none;padding:0 4px 24px;font-size:15.5px;max-width:760px;color:var(--ink);}
.acc-body p + p{margin-top:12px;}
.acc-item.open .acc-body{display:block;}

/* ---------- callouts ---------- */
.note-box{border-left:3px solid var(--teal);background:var(--panel);padding:18px 22px;font-size:14px;color:var(--stone-dark);font-style:italic;margin:26px 0;max-width:720px;}
.quote-band{text-align:center;padding:80px 0;}
.quote-band blockquote{font-family:'Fraunces',serif;font-size:26px;line-height:1.45;max-width:760px;margin:0 auto 18px;}
.quote-band .attr{font-size:14px;color:var(--stone-dark);}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);}
.cta-band .inner{display:grid;grid-template-columns:1.2fr auto;gap:40px;align-items:center;padding-top:72px;padding-bottom:72px;}
.cta-band h2{color:var(--bone);font-size:32px;margin-bottom:12px;}
.cta-band p{color:#D9D6CC;font-size:16px;max-width:560px;}

/* ---------- forms ---------- */
form.rfq{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1/-1;}
label{font-size:13px;font-weight:600;letter-spacing:.02em;}
label .opt{color:var(--stone-dark);font-weight:400;}
input,textarea,select{background:#FDFCF9;border:1px solid var(--stone);border-radius:2px;padding:13px 14px;font-family:'Inter',sans-serif;font-size:15px;color:var(--ink);width:100%;}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(15,110,86,.08);}
.helper{font-size:12.5px;color:var(--stone-dark);}
form.rfq .btn{grid-column:1/-1;justify-self:start;}
form.rfq .formnote{grid-column:1/-1;font-size:13.5px;color:var(--stone-dark);}
.form-success{padding:40px;border:1px solid var(--teal);background:var(--panel);}
.form-success h3{font-size:22px;margin-bottom:10px;}

/* ---------- footer ---------- */
footer{background:var(--ink);color:#D9D6CC;padding:64px 0 40px;font-size:14px;}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px;}
.foot-logo{display:inline-flex;flex-direction:column;gap:6px;margin-bottom:14px;}
footer .word{font-family:'Fraunces',serif;font-size:19px;letter-spacing:.13em;color:var(--bone);}
a.word{display:block;}
.foot-logo .river{width:68px;height:3px;}
footer h4{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#9C9A90;margin-bottom:14px;font-weight:600;}
footer ul{list-style:none;}
footer li{margin-bottom:9px;}
footer a{color:#D9D6CC;}
footer a:hover{color:var(--bone);}
.foot-bottom{border-top:1px solid #47473F;padding-top:26px;display:flex;justify-content:space-between;font-size:12.5px;color:#9C9A90;flex-wrap:wrap;gap:10px;}

/* ---------- reveal animation ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none;transition:none;}}

/* ---------- responsive ---------- */
@media(max-width:1360px){
  nav.menu{display:none;}
  .burger{display:flex;}
}
@media(max-width:900px){
  .split,.cta-band .inner{grid-template-columns:1fr;gap:44px;}
  .cards3,.cards2{grid-template-columns:1fr;}
  .feat-grid,.feat-grid.cols3{grid-template-columns:1fr 1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .hero h1{font-size:38px;}
  .page-hero h1{font-size:34px;}
  form.rfq{grid-template-columns:1fr;}
  section{padding:64px 0;}
  .hero{padding:56px 0 0;}
  .hero-copy{max-width:none;}
  .hero-photo{position:static;width:100%;height:320px;margin-top:36px;}
}
@media(max-width:520px){
  .feat-grid,.feat-grid.cols3{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px 24px;}
  .foot-grid > div:first-child{grid-column:1/-1;}
  .wrap{padding:0 22px;}
}
@media(max-width:480px){
  .nav-right .btn{display:none;}
}