/* ==========================================================
   DINARIC STEEL — site stylesheet
   Palette: graphite / teal · Type: Archivo, Inter, IBM Plex Mono
   ========================================================== */
:root{
  --graphite:#1B1F24; --slate:#2F4858; --anvil:#50697A;
  --teal:#0FA09A; --teal-dk:#0B7F7A; --silver:#C4CDD5;
  --mist:#F2F5F7; --paper:#FFFFFF; --line:#DCE3E8; --line-dk:#39454E;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,sans-serif;background:var(--mist);color:var(--graphite);line-height:1.62;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
svg{display:block}
a{color:inherit}
.mono{font-family:'IBM Plex Mono',monospace}
.wrap{max-width:1140px;margin:0 auto;padding:0 28px}
h1,h2,h3{font-family:'Archivo',sans-serif;letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.eyebrow{font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.26em;text-transform:uppercase;color:var(--teal)}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(27,31,36,.94);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line-dk)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px;gap:18px}
.brand{display:flex;align-items:center;gap:13px;color:var(--mist);text-decoration:none;flex-shrink:0}
.brand svg{width:34px;height:34px;flex-shrink:0}
.brand .wm b{font-family:'Archivo',sans-serif;font-weight:800;font-size:18px;letter-spacing:.02em;display:block;line-height:1}
.brand .wm span{font-family:'IBM Plex Mono',monospace;font-size:9px;letter-spacing:.07em;color:var(--silver);white-space:nowrap}
.nav-right{display:flex;align-items:center;gap:22px}
.nav-links{display:flex;gap:24px;align-items:center}
.nav-links a{color:var(--silver);text-decoration:none;font-size:14px;font-weight:500;transition:color .15s;position:relative;padding:4px 0}
.nav-links a:hover{color:#fff}
.nav-links a.active{color:#fff}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--teal)}
.nav-phone{display:flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-family:'IBM Plex Mono',monospace;font-size:13px;white-space:nowrap}
.nav-phone svg{color:var(--teal)}
.nav-phone:hover{color:var(--teal)}
.nav-cta{background:var(--teal);color:#04201F!important;padding:9px 17px;border-radius:3px;font-weight:600;font-size:13.5px;text-decoration:none;transition:background .15s;white-space:nowrap}
.nav-cta:hover{background:#fff}
.burger{display:none;background:none;border:0;color:var(--mist);cursor:pointer;padding:6px}
.m-quote{display:none}
@media(max-width:1080px){
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:70px;right:28px;flex-direction:column;align-items:stretch;background:var(--graphite);padding:14px 20px 18px;border:1px solid var(--line-dk);border-radius:8px;min-width:220px;box-shadow:0 22px 48px rgba(0,0,0,.45)}
  .nav-links.open a{padding:9px 2px}
  .nav-links.open a.active::after{display:none}
  .nav-links.open a.active{color:var(--teal)}
  .burger{display:block}
  .brand .wm span{display:none}
  .nav-phone .num{display:none}
  .m-quote{display:block;background:var(--teal);color:#04201F;padding:10px 16px;border-radius:4px;text-align:center;font-weight:700;margin-top:8px}
}
@media(max-width:760px){
  .nav-phone{display:none}
  .nav-cta{display:none}
  .nav-right{gap:12px}
  .brand .wm b{font-size:16.5px}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;text-decoration:none;font-weight:600;padding:14px 24px;border-radius:3px;font-size:15px;transition:transform .12s,background .15s,border-color .15s,color .15s}
.btn-primary{background:var(--teal);color:#04201F}
.btn-primary:hover{background:#fff;transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--line-dk);color:#fff}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
.btn-dark{background:var(--graphite);color:#fff}
.btn-dark:hover{background:var(--teal);color:#04201F}
.btn-outline{border:1px solid var(--silver);color:var(--graphite)}
.btn-outline:hover{border-color:var(--teal-dk);color:var(--teal-dk)}

/* ---------- heroes ---------- */
.hero,.page-hero{position:relative;color:var(--mist);overflow:hidden;
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(15,160,154,.16), transparent 55%),
    linear-gradient(100deg, rgba(27,31,36,.88) 0%, rgba(27,31,36,.66) 45%, rgba(27,31,36,.24) 100%),
    var(--hi) center/cover no-repeat,
    var(--graphite)}
@media(max-width:900px){
  .hero,.page-hero{background:
    radial-gradient(120% 90% at 88% -10%, rgba(15,160,154,.14), transparent 55%),
    linear-gradient(rgba(27,31,36,.72), rgba(27,31,36,.66)),
    var(--hi-sm) center/cover no-repeat,
    var(--graphite)}
}
.hero{padding:clamp(104px,14vw,164px) 0 clamp(56px,8vw,88px)}
.page-hero{padding:clamp(76px,10vw,112px) 0 clamp(44px,6.5vw,64px)}
.hero-copy{max-width:42em}
.hero h1{font-weight:900;font-size:clamp(40px,5.8vw,64px);line-height:1.02;margin:18px 0 22px;color:#fff}
.page-hero h1{font-weight:900;font-size:clamp(32px,4.6vw,48px);line-height:1.04;margin:14px 0 16px;color:#fff}
.hero h1 .ac,.page-hero h1 .ac{color:var(--teal)}
.hero p.lead,.page-hero p.lead{font-size:18px;color:#D4DCE2;max-width:34em;margin-bottom:28px}
.page-hero p.lead{font-size:16.5px;margin-bottom:22px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-specs{margin-top:clamp(34px,6vw,52px);padding-top:18px;border-top:1px solid rgba(196,205,213,.28);display:flex;flex-wrap:wrap;gap:10px 26px;font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.08em;color:var(--silver)}
.hero-specs b{color:#fff;font-weight:500}
.hero-specs .dot{color:var(--teal)}
.anchors{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.anchors a{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.05em;color:var(--silver);text-decoration:none;border:1px solid var(--line-dk);padding:8px 14px;border-radius:999px;transition:color .15s,border-color .15s}
.anchors a:hover{color:var(--teal);border-color:var(--teal)}

/* ---------- feature strip ---------- */
.features{background:var(--paper);border-bottom:1px solid var(--line)}
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.feat{padding:28px 24px;text-align:center;border-left:1px solid var(--line)}
.feat:first-child{border-left:0}
.feat .lbl{font-family:'Archivo',sans-serif;font-weight:800;font-size:17.5px;color:var(--graphite);letter-spacing:-.01em}
.feat .lbl .t{color:var(--teal-dk)}
.feat p{font-size:13.5px;color:var(--anvil);margin-top:6px;line-height:1.45}
@media(max-width:720px){.feat-grid{grid-template-columns:1fr 1fr}.feat:nth-child(odd){border-left:0}.feat:nth-child(n+3){border-top:1px solid var(--line)}}
@media(max-width:420px){.feat-grid{grid-template-columns:1fr}.feat{border-left:0;border-top:1px solid var(--line)}.feat:first-child{border-top:0}}

/* ---------- sections ---------- */
section{padding:clamp(56px,8vw,82px) 0}
.sec-head{max-width:62ch;margin-bottom:38px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;max-width:60ch}
.sec-head h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.08;margin:14px 0 14px}
.sec-head p{font-size:17px;color:var(--slate)}
.dark{background:var(--graphite);color:var(--mist)}
.dark .sec-head p{color:#C2CCD3}
.dark .sec-head h2{color:#fff}
.light{background:var(--paper)}

/* ---------- range cards (home) ---------- */
.range-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(252px,1fr));gap:18px}
.rcard{position:relative;display:block;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--graphite);text-decoration:none;transition:transform .14s,box-shadow .14s,border-color .14s}
.rcard:hover{transform:translateY(-3px);box-shadow:0 16px 38px rgba(31,46,56,.14);border-color:var(--silver)}
.rcard img{width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.rcard:hover img{transform:scale(1.045)}
.rcard .tag{position:absolute;top:14px;left:14px;font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.1em;color:#fff;background:rgba(27,31,36,.6);border:1px solid rgba(255,255,255,.28);padding:5px 10px;border-radius:3px;backdrop-filter:blur(3px)}
.rcard figcaption{position:absolute;inset:auto 0 0 0;padding:46px 18px 16px;background:linear-gradient(to top,rgba(27,31,36,.95) 32%,rgba(27,31,36,0))}
.rcard figcaption b{display:block;font-family:'Archivo',sans-serif;font-weight:700;font-size:16.5px;color:#fff;letter-spacing:-.01em;line-height:1.25}
.rcard figcaption span{display:block;font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);margin-top:6px}

/* ---------- catalogue band ---------- */
.cat-band{background:radial-gradient(110% 120% at 12% -20%, rgba(15,160,154,.16), transparent 55%),var(--graphite);color:var(--mist)}
.cat-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,56px);align-items:center}
.cat-grid h2{color:#fff;font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.08;margin:14px 0 14px}
.cat-grid p{color:#C2CCD3;font-size:16.5px}
.cat-issue{font-family:'IBM Plex Mono',monospace;font-size:12.5px;letter-spacing:.08em;color:var(--silver);margin:18px 0 22px}
.cat-issue .dot{color:var(--teal)}
.cat-grid img{border-radius:10px;border:1px solid var(--line-dk);width:100%;height:auto;aspect-ratio:4/5;object-fit:cover}
@media(max-width:860px){.cat-grid{grid-template-columns:1fr}.cat-grid img{aspect-ratio:16/10}}

/* ---------- split rows (teaser / fabrication) ---------- */
.con-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,52px);align-items:center}
.con-list{list-style:none;margin:22px 0 0}
.con-list li{display:flex;gap:13px;padding:11px 0;border-top:1px solid var(--line-dk);font-size:15.5px;color:#D6DEE4}
.con-list li:first-child{border-top:0}
.con-list li svg{flex-shrink:0;margin-top:3px}
.light-list li{border-top-color:var(--line);color:var(--slate)}
.con-note{margin-top:20px;font-size:13px;color:#9FB0BB;font-family:'IBM Plex Mono',monospace;line-height:1.7}
.con-media{display:grid;gap:14px}
.con-media img{border-radius:10px;border:1px solid var(--line-dk);width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;cursor:zoom-in}
.con-media.two{grid-template-columns:1fr 1fr}
@media(max-width:860px){.con-grid{grid-template-columns:1fr;gap:28px}}

/* ---------- process ---------- */
.flow-steps{display:grid;grid-template-columns:repeat(4,1fr)}
.fstep{position:relative;text-align:center;padding:0 16px}
.node{width:56px;height:56px;border-radius:50%;background:var(--paper);border:2px solid var(--teal);display:grid;place-items:center;margin:0 auto 20px;position:relative;z-index:2;box-shadow:0 6px 16px rgba(15,160,154,.18)}
.node .num{font-family:'IBM Plex Mono',monospace;font-size:16px;font-weight:600;color:var(--teal-dk)}
.fstep:not(:last-child)::before{content:"";position:absolute;top:27px;left:calc(50% + 34px);width:calc(100% - 68px);height:2px;background:var(--line);z-index:0}
.fstep:not(:last-child)::after{content:"";position:absolute;top:21px;left:calc(100% - 34px);width:0;height:0;border-left:8px solid var(--teal);border-top:6px solid transparent;border-bottom:6px solid transparent;z-index:1}
.fstep h3{font-size:17px;font-weight:700;margin-bottom:8px}
.fstep p{font-size:13.5px;color:var(--anvil);line-height:1.5}
@media(max-width:760px){
  .flow-steps{grid-template-columns:1fr;gap:0}
  .fstep{display:grid;grid-template-columns:56px 1fr;text-align:left;gap:20px;padding:0 0 30px}
  .node{margin:0}
  .fstep:not(:last-child)::before{top:56px;left:27px;width:2px;height:calc(100% - 56px)}
  .fstep:not(:last-child)::after{display:none}
  .fstep .body{padding-top:6px}
}

/* ---------- quality strip ---------- */
.qstrip{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:20px 26px;display:flex;flex-wrap:wrap;gap:14px 30px;align-items:center;justify-content:space-between}
.qstrip .qi{font-family:'IBM Plex Mono',monospace;font-size:12.5px;letter-spacing:.05em;color:var(--slate);display:flex;align-items:center;gap:9px}
.qstrip .qi::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal);flex-shrink:0}
.qstrip a.qlink{font-size:13.5px;font-weight:600;color:var(--teal-dk);text-decoration:none;white-space:nowrap}
.qstrip a.qlink:hover{text-decoration:underline}

/* ---------- product sections ---------- */
.pstrip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:0 0 34px}
.pstrip figure{margin:0}
.pstrip img{display:block;width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;border-radius:8px;border:1px solid var(--line);background:var(--graphite);cursor:zoom-in;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.pstrip figure:hover img{transform:scale(1.02)}
.pstrip figcaption{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--anvil);margin-top:9px;line-height:1.45}
.pstrip.pair{grid-template-columns:repeat(2,minmax(0,1fr));max-width:calc(50% - 8px)}
.pstrip.trio{grid-template-columns:repeat(3,minmax(0,1fr));max-width:calc(75% - 4px)}
.pspecs{display:grid;grid-template-columns:repeat(auto-fit,minmax(256px,1fr));gap:0 38px}
.pspec{padding:15px 2px;border-top:1px solid var(--line)}
.pspec h3{font-size:16px;font-weight:700;letter-spacing:-.01em}
.pspec p{font-size:13.5px;color:var(--anvil);line-height:1.55}
.matrix-note{font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.05em;color:var(--anvil);text-align:center;margin-top:34px}
@media(max-width:900px){.pstrip{grid-template-columns:repeat(3,minmax(0,1fr))}.pstrip.pair{max-width:calc(66.6% - 11px)}.pstrip.trio{max-width:none}}
@media(max-width:560px){.pstrip{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.pstrip.pair{max-width:none}}

/* grade cards */
.grade-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:30px}
.gcard2{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:20px 22px}
.gcard2 .g{font-family:'IBM Plex Mono',monospace;font-weight:600;font-size:15px;color:var(--teal-dk)}
.gcard2 p{font-size:13.5px;color:var(--anvil);margin-top:6px;line-height:1.5}

/* ---------- cert cards ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.cert{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:24px;border-top:3px solid var(--teal);color:var(--graphite)}
.cert .tag{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--teal-dk);letter-spacing:.08em}
.cert h3{font-size:16.5px;font-weight:700;margin:9px 0 7px}
.cert p{font-size:13.5px;color:var(--anvil)}

/* ---------- CTA band ---------- */
.cta-band{background:radial-gradient(100% 140% at 50% -30%, rgba(15,160,154,.18), transparent 60%),var(--graphite);color:#fff;text-align:center}
.cta-band h2{font-size:clamp(26px,3.6vw,40px);font-weight:900;line-height:1.06}
.cta-band p{color:#C2CCD3;font-size:16.5px;max-width:52ch;margin:14px auto 26px}
.cta-band .hero-actions{justify-content:center}

/* ---------- contact ---------- */
.cm-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:18px}
.cm{display:flex;align-items:center;gap:15px;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:19px 20px;text-decoration:none;transition:border-color .15s,transform .12s}
.cm:hover{border-color:var(--teal);transform:translateY(-2px)}
.cm .ic{width:44px;height:44px;border-radius:9px;background:rgba(15,160,154,.10);display:grid;place-items:center;flex-shrink:0}
.cm .k{display:block;font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--anvil)}
.cm .v{display:block;font-size:14.5px;font-weight:600;color:var(--graphite);margin-top:2px;white-space:nowrap}
@media(max-width:1020px){.cm-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.cm-grid{grid-template-columns:1fr}}
.ct-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ct{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:28px}
.ct .ic{width:42px;height:42px;border-radius:8px;background:rgba(15,160,154,.10);display:grid;place-items:center;margin-bottom:15px}
.ct h3{font-size:18px;font-weight:700;margin-bottom:7px}
.ct p{font-size:14px;color:var(--anvil);margin-bottom:15px}
.ct ul{list-style:none;margin:0 0 20px}
.ct ul li{font-size:13.5px;color:var(--slate);padding:6px 0 6px 20px;position:relative}
.ct ul li::before{content:"";position:absolute;left:0;top:13px;width:6px;height:6px;border-radius:50%;background:var(--teal)}
.mailbtn{display:inline-flex;align-items:center;gap:8px;background:var(--graphite);color:#fff;text-decoration:none;padding:12px 20px;border-radius:4px;font-weight:600;font-size:14px;transition:background .15s}
.mailbtn:hover{background:var(--teal);color:#04201F}
@media(max-width:760px){.ct-grid{grid-template-columns:1fr}}
.company-box{background:var(--paper);border:1px solid var(--line);border-left:3px solid var(--teal);border-radius:8px;padding:22px 24px;margin-top:18px;font-size:14.5px;line-height:1.85;color:var(--slate)}
.company-box b{color:var(--graphite)}
.company-box .mono{font-size:13px}

/* ---------- footer ---------- */
footer{background:var(--graphite);color:var(--silver);padding:50px 0 36px;border-top:1px solid var(--line-dk)}
.foot-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;align-items:flex-start}
.foot-brand{display:flex;align-items:center;gap:12px;color:#fff;margin-bottom:14px}
.foot-brand b{font-family:'Archivo',sans-serif;font-weight:800;font-size:17px;letter-spacing:.02em}
.foot-contact{font-size:14px;line-height:1.9;color:#AEB9C1}
.foot-contact a{color:#AEB9C1;text-decoration:none;transition:color .15s}
.foot-contact a:hover{color:var(--teal)}
.foot-links{display:flex;gap:54px;flex-wrap:wrap}
.foot-col h4{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#7E8D97;margin-bottom:14px;font-weight:500}
.foot-col a{display:block;color:var(--silver);text-decoration:none;font-size:14px;padding:5px 0;transition:color .15s}
.foot-col a:hover{color:var(--teal)}
.foot-base{margin-top:38px;padding-top:22px;border-top:1px solid var(--line-dk);font-size:12.5px;color:#71808A;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;align-items:flex-end}
.foot-base .reg{display:block;margin-top:4px;font-size:11.5px;line-height:1.7}

/* ---------- lightbox ---------- */
.gal-lb{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:28px;background:rgba(27,31,36,.96);cursor:zoom-out}
.gal-lb.on{display:flex}
.gal-lb img{max-width:min(92vw,1040px);max-height:88vh;object-fit:contain;border-radius:4px}
.gal-lb button{position:absolute;top:18px;right:24px;background:none;border:0;color:var(--silver);font-size:34px;line-height:1;padding:8px;cursor:pointer}
.gal-lb button:hover{color:var(--teal)}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  *{transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .rcard:hover img{transform:none}
}

/* ---------- line-drawing figure (portal frame) ---------- */
.con-figbox{background:linear-gradient(160deg,rgba(255,255,255,.04),rgba(255,255,255,.01));border:1px solid var(--line-dk);border-radius:16px;padding:clamp(22px,4vw,36px);display:grid;place-items:center;box-shadow:inset 0 1px 0 rgba(255,255,255,.05)}
.la{stroke:var(--silver);stroke-width:1.7;fill:none;stroke-linejoin:round;stroke-linecap:round}
.la-ac{stroke:var(--teal);stroke-width:1.9;fill:none;stroke-linejoin:round;stroke-linecap:round}
.draw{stroke-dasharray:var(--len,600);stroke-dashoffset:var(--len,600);transition:stroke-dashoffset 1.6s cubic-bezier(.33,1,.68,1)}
.in .draw{stroke-dashoffset:0}
@media (prefers-reduced-motion: reduce){.draw{stroke-dashoffset:0!important}}