/* Silk Road Trading Co. — main stylesheet */
@font-face{font-family:Vazirmatn;src:url(../fonts/Vazirmatn-Light.woff2) format("woff2");font-weight:300;font-display:swap}
@font-face{font-family:Vazirmatn;src:url(../fonts/Vazirmatn-Regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:Vazirmatn;src:url(../fonts/Vazirmatn-Medium.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:Vazirmatn;src:url(../fonts/Vazirmatn-Bold.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:Vazirmatn;src:url(../fonts/Vazirmatn-Black.woff2) format("woff2");font-weight:900;font-display:swap}

:root{
  --ink:#0C2430;--ink2:#123543;--teal:#1E5B63;--sand:#F5EFE4;--sand2:#EADFCB;
  --gold:#C9973F;--gold2:#E7C27A;--gold3:#B07F2C;--silk:#9C2F2F;--txt:#1B2328;--mut:#5F696E;--line:#DCD3C3;
  --r:18px;--max:1200px;--shadow:0 20px 50px rgba(12,36,48,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Vazirmatn,Tahoma,sans-serif;color:var(--txt);background:#fff;line-height:1.9;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.ltr{direction:ltr;unicode-bidi:isolate}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.pattern{background-image:
  radial-gradient(circle at 0 0,transparent 23px,rgba(201,151,63,.10) 24px,transparent 25px),
  radial-gradient(circle at 48px 48px,transparent 23px,rgba(201,151,63,.10) 24px,transparent 25px);background-size:48px 48px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 26px;border-radius:12px;font-weight:700;font-size:15px;border:1.5px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold:hover{background:var(--gold2)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--teal)}
.btn-line{border-color:currentColor}
.btn-line:hover{background:rgba(255,255,255,.08)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn[disabled]{opacity:.6;cursor:wait}
.arrow{display:inline-block;transition:transform .2s}
[dir=rtl] .btn:hover .arrow{transform:translateX(-4px)}
[dir=ltr] .btn:hover .arrow{transform:translateX(4px)}
[dir=ltr] .arrow{transform:scaleX(-1)}
[dir=ltr] .btn:hover .arrow{transform:scaleX(-1) translateX(-4px)}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:50;background:var(--ink);color:#fff;transition:box-shadow .2s}
.hdr.scrolled{box-shadow:0 8px 30px rgba(0,0,0,.25)}
.hdr .container{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:12px}
.logo .mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--gold),#8E6422);display:grid;place-items:center;flex-shrink:0}
.logo b{display:block;font-size:17px;font-weight:900;line-height:1.3}
.logo small{display:block;font-size:10px;opacity:.7;letter-spacing:.5px;line-height:1.3}
.nav{display:flex;gap:30px;font-size:15px}
.nav a{opacity:.85;position:relative;padding:6px 0}
.nav a:hover,.nav a.active{opacity:1;color:var(--gold2)}
.nav a.active:after{content:"";position:absolute;bottom:-2px;left:0;right:0;height:2px;background:var(--gold);border-radius:2px}
.hdr-act{display:flex;align-items:center;gap:12px}
.lang{border:1px solid rgba(255,255,255,.3);border-radius:8px;padding:4px 10px;font-size:13px;font-weight:700}
.lang:hover{border-color:var(--gold2);color:var(--gold2)}
.burger{display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;position:relative}
.burger span,.burger:before,.burger:after{content:"";position:absolute;left:11px;right:11px;height:2px;background:#fff;border-radius:2px;transition:.25s}
.burger:before{top:15px}.burger span{top:21px}.burger:after{top:27px}
.menu-open .burger:before{top:21px;transform:rotate(45deg)}
.menu-open .burger:after{top:21px;transform:rotate(-45deg)}
.menu-open .burger span{opacity:0}
.mnav{display:none}

/* ---------- hero ---------- */
.hero{background:var(--ink);color:#fff;position:relative;overflow:hidden;padding:80px 0 120px}
.hero .pattern{position:absolute;inset:0;opacity:.6}
.hero .container{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.kicker{font-size:14px;color:var(--gold);font-weight:700;display:flex;align-items:center;gap:10px}
.kicker:before{content:"";width:28px;height:2px;background:currentColor}
.hero .kicker{color:var(--gold2)}
.hero h1{font-size:52px;line-height:1.4;font-weight:900;margin-top:14px}
.hero h1 span{color:var(--gold2)}
.hero p.lead{font-size:18px;opacity:.8;line-height:2;margin:20px 0 32px;font-weight:300;max-width:540px}
.hero .ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero .badges{display:flex;gap:28px;margin-top:44px;flex-wrap:wrap}
.hero .badges div{display:flex;align-items:center;gap:10px;font-size:14px;opacity:.85}
.hero .badges i{width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.08);display:grid;place-items:center;color:var(--gold2)}
.hero .badges svg{width:18px;height:18px}
.map{width:100%;height:auto}
.map .route{stroke-dasharray:8 9;animation:dash 30s linear infinite}
.map .route2{stroke-dasharray:3 8;animation:dash 40s linear infinite reverse}
@keyframes dash{to{stroke-dashoffset:-600}}
.map .pulse{transform-origin:center;transform-box:fill-box;animation:pulse 2.6s ease-out infinite}
@keyframes pulse{0%{transform:scale(.6);opacity:.8}100%{transform:scale(2.2);opacity:0}}
.map text{font-family:Vazirmatn,sans-serif;font-weight:700;font-size:13px;fill:var(--gold2)}

/* quick inquiry */
.quick{position:relative;z-index:5;margin-top:-58px}
.quick form{background:#fff;border-radius:18px;box-shadow:var(--shadow);padding:20px 22px;display:flex;gap:12px;align-items:center;border:1px solid var(--line)}
.quick b{color:var(--ink);font-size:16px;white-space:nowrap;display:flex;align-items:center;gap:8px}
.quick b:before{content:"";width:10px;height:10px;border-radius:50%;background:var(--gold)}
.quick input{flex:1;min-width:0}
.input{height:50px;border:1px solid var(--line);border-radius:12px;padding:0 16px;background:var(--sand);outline:none;transition:.2s;width:100%}
.input:focus{border-color:var(--teal);background:#fff;box-shadow:0 0 0 4px rgba(30,91,99,.12)}
textarea.input{height:auto;min-height:120px;padding:14px 16px;resize:vertical;line-height:1.9}

/* ---------- sections ---------- */
.sec{padding:90px 0}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:40px;flex-wrap:wrap}
.sec h2{font-size:34px;font-weight:900;color:var(--ink);line-height:1.5;margin-top:8px}
.sec .sub{color:var(--mut);font-size:16px;max-width:620px;margin-top:8px}
.bg-sand{background:var(--sand)}

.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{border:1px solid var(--line);border-radius:var(--r);padding:28px;background:#fff;transition:.25s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.card.dark{background:var(--ink);color:#fff;border:none}
.card.dark p{color:rgba(255,255,255,.72)}
.card.dark .ic{background:rgba(255,255,255,.08);color:var(--gold2)}
.ic{width:58px;height:58px;border-radius:16px;background:var(--sand);display:grid;place-items:center;color:var(--teal);flex-shrink:0}
.ic svg{width:28px;height:28px}
.card h3{font-size:19px;margin:18px 0 8px;font-weight:700}
.card p{font-size:14.5px;color:var(--mut);line-height:2;flex:1}
.card .more{font-size:14px;color:var(--gold);font-weight:700;margin-top:16px}

.process{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center}
.steps{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.step{background:#fff;border-radius:var(--r);padding:24px}
.step em{font-style:normal;font-size:32px;font-weight:900;color:var(--gold);line-height:1}
.step b{display:block;color:var(--ink);font-size:17px;margin:10px 0 4px}
.step p{font-size:14px;color:var(--mut)}
.visual{border-radius:22px;background:var(--ink);overflow:hidden;position:relative;aspect-ratio:4/3;margin-top:28px}
.visual svg{position:absolute;inset:0;width:100%;height:100%}

.values{background:var(--teal);color:#fff}
.values .container{display:grid;grid-template-columns:repeat(4,1fr)}
.values .v{padding:36px 28px;border-inline-start:1px solid rgba(255,255,255,.12)}
.values .v:first-child{border:0}
.values b{display:block;font-size:19px;color:var(--gold2);margin-bottom:4px}
.values small{font-size:14px;opacity:.82;line-height:1.9;display:block}

.cta{background:linear-gradient(110deg,var(--gold),var(--gold3));border-radius:24px;padding:44px 48px;display:flex;justify-content:space-between;align-items:center;gap:24px;color:var(--ink);position:relative;z-index:2}
.cta h2{font-size:28px;font-weight:900;color:var(--ink);margin:0}
.cta p{font-size:16px;margin-top:6px}

/* ---------- footer ---------- */
.foot{background:var(--ink);color:rgba(255,255,255,.75);padding:130px 0 0;margin-top:-80px;font-size:14.5px}
.foot .container{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.foot h4{color:#fff;font-size:16px;margin-bottom:12px}
.foot li{list-style:none;margin-bottom:6px}
.foot a:hover{color:var(--gold2)}
.foot .about p{margin-top:16px;line-height:2.1;max-width:340px}
.copy{border-top:1px solid rgba(255,255,255,.1);margin-top:50px;padding:20px 0;font-size:13px;text-align:center;opacity:.7}
.no-cta .foot{margin-top:0;padding-top:70px}

/* ---------- inner pages ---------- */
.phero{background:var(--ink);color:#fff;padding:60px 0 70px;position:relative;overflow:hidden}
.phero .pattern{position:absolute;inset:0;opacity:.5}
.phero .container{position:relative}
.crumb{font-size:13px;opacity:.65}
.crumb a:hover{color:var(--gold2)}
.phero h1{font-size:40px;font-weight:900;margin-top:8px;line-height:1.5}
.phero p{opacity:.78;max-width:680px;margin-top:10px;font-size:17px;font-weight:300}
.tabs{display:flex;gap:10px;margin-top:26px;flex-wrap:wrap}
.tabs a{padding:9px 18px;border-radius:99px;background:rgba(255,255,255,.08);font-size:14px}
.tabs a:hover{background:var(--gold);color:var(--ink)}

.svc-detail{display:grid;grid-template-columns:1.5fr 1fr;gap:48px;align-items:start;padding:70px 0;border-bottom:1px solid var(--line);scroll-margin-top:90px}
.svc-detail:last-child{border:0}
.svc-detail h2{font-size:28px;font-weight:900;color:var(--ink);display:flex;align-items:center;gap:14px}
.svc-detail p{color:#46505A;font-size:15.5px;line-height:2.1;margin-top:14px}
.feats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.feats li{list-style:none;background:var(--sand);border-radius:12px;padding:12px 16px;font-size:14.5px;display:flex;gap:10px;align-items:center}
.feats li:before{content:"✓";color:var(--teal);font-weight:900}
.side{background:var(--sand);border-radius:var(--r);padding:28px;position:sticky;top:100px}
.side h3{font-size:18px;color:var(--ink);margin-bottom:8px}
.side p{font-size:14px;color:var(--mut);margin-bottom:18px}

.prose{max-width:820px}
.prose p{font-size:16px;line-height:2.2;color:#3B454C;margin-bottom:18px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}

/* ---------- request form ---------- */
.req{display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:start}
.formbox{background:#fff;border:1px solid var(--line);border-radius:22px;padding:36px;box-shadow:var(--shadow)}
.progress{display:flex;gap:8px;margin-bottom:10px}
.progress i{flex:1;height:6px;border-radius:9px;background:var(--line);transition:.3s}
.progress i.on{background:var(--gold)}
.step-label{font-size:13px;color:var(--mut)}
.fstep{display:none;animation:fade .3s}
.fstep.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.fstep h2{font-size:22px;color:var(--ink);margin:4px 0 22px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:500;margin-bottom:6px;color:var(--ink)}
.field label em{color:var(--silk);font-style:normal}
.field .hint{font-size:12.5px;color:var(--mut);margin-top:4px}
.field.err .input{border-color:var(--silk);background:#FBF1F1}
.choices{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.choice{position:relative}
.choice input{position:absolute;opacity:0}
.choice span{display:flex;align-items:center;gap:12px;border:1.5px solid var(--line);border-radius:14px;padding:16px;cursor:pointer;transition:.2s;font-weight:500;height:100%}
.choice span:before{content:"";width:18px;height:18px;border-radius:50%;border:2px solid var(--line);flex-shrink:0;transition:.2s}
.choice input:checked+span{border-color:var(--teal);background:#E8F1F1;color:var(--teal)}
.choice input:checked+span:before{border:6px solid var(--teal)}
.choice input:focus-visible+span{box-shadow:0 0 0 4px rgba(30,91,99,.15)}
.factions{display:flex;justify-content:space-between;gap:12px;margin-top:26px}
.msg{border-radius:12px;padding:14px 18px;font-size:14.5px;margin-top:16px;display:none}
.msg.show{display:block}
.msg.bad{background:#FBF1F1;color:var(--silk);border:1px solid #F0D3D3}
.done{text-align:center;padding:30px 10px;display:none}
.done.show{display:block}
.done .tick{width:84px;height:84px;border-radius:50%;background:#E8F1F1;color:var(--teal);display:grid;place-items:center;margin:0 auto 18px}
.done h2{font-size:24px;color:var(--ink)}
.done p{color:var(--mut);margin:10px auto 24px;max-width:420px}
.hp{position:absolute;left:-9999px;top:-9999px}
.info-list li{list-style:none;display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed var(--line)}
.info-list li:last-child{border:0}
.info-list .ic{width:46px;height:46px;border-radius:12px;background:#fff}
.info-list .ic svg{width:22px;height:22px}
.info-list b{display:block;color:var(--ink);font-size:15px}
.info-list span{font-size:14px;color:var(--mut)}

/* ---------- mobile dock ---------- */
.dock{display:none}

/* ---------- reveal ---------- */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}.map .route,.map .route2,.map .pulse{animation:none}}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .nav,.hdr-act .phone-top{display:none}
  .burger{display:block}
  .mnav{display:block;position:fixed;inset:76px 0 0 0;background:var(--ink);padding:20px 24px;transform:translateY(-110%);transition:transform .3s;z-index:40;overflow:auto}
  .menu-open .mnav{transform:none}
  .mnav a{display:block;font-size:19px;font-weight:700;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);color:#fff}
  .mnav .btn{margin-top:20px;width:100%}
  .hero .container,.process,.req,.svc-detail{grid-template-columns:1fr}
  .hero{padding:50px 0 110px}
  .map-wrap{order:-1;max-width:560px;margin:0 auto -10px}
  .cards{grid-template-columns:1fr 1fr}
  .values .container{grid-template-columns:1fr 1fr}
  .foot .container{grid-template-columns:1fr 1fr}
  .side{position:static}
  .grid3{grid-template-columns:1fr}
}
@media (max-width:720px){
  body{padding-bottom:64px}
  .hdr-act .btn{display:none}
  .hero h1{font-size:34px}
  .hero p.lead{font-size:16px}
  .hero .badges{gap:16px}
  .sec{padding:64px 0}
  .sec h2{font-size:26px}
  .quick form{flex-direction:column;align-items:stretch}
  .cards,.steps,.row,.choices,.feats{grid-template-columns:1fr}
  .values .container{grid-template-columns:1fr}
  .values .v{border:0;border-bottom:1px solid rgba(255,255,255,.12);padding:24px 8px}
  .cta{flex-direction:column;align-items:flex-start;padding:30px 26px}
  .cta .btn{width:100%}
  .foot .container{grid-template-columns:1fr}
  .phero h1{font-size:30px}
  .formbox{padding:24px 18px}
  .dock{display:flex;position:fixed;bottom:0;left:0;right:0;height:64px;background:#fff;border-top:1px solid var(--line);z-index:60;justify-content:space-around;align-items:center;font-size:11px;color:var(--mut)}
  .dock a{display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 10px}
  .dock svg{width:22px;height:22px}
  .dock a.active,.dock a.req-btn{color:var(--gold3);font-weight:700}
}