/* Bronz Metal Sanayi — site.css
   Layout concept: "stok etiketi" — graphite bands for brand moments, light steel paper for reading,
   bronze used only for action and alloy codes; mono labels behave like mill-certificate fields. */
:root{
  --graphite:#15171a;
  --ink:#1d2024;
  --ink-2:#2b2f34;
  --paper:#f4f5f3;
  --white:#ffffff;
  --line:#dadcd8;
  --line-dark:#34383e;
  --muted:#5a5f66;
  --muted-dark:#a3a8ae;
  --bronze:#a3602d;
  --bronze-hi:#d39663;
  --bronze-deep:#7a421c;
  --bronze-tint:#f3e7dc;
  --ok:#2e7a54;
  --wa:#1f9d55;
  --f-display:"Archivo","Arial Narrow",Arial,sans-serif;
  --f-body:"IBM Plex Sans","Segoe UI",Roboto,Arial,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
  --s-1:.25rem;--s-2:.5rem;--s-3:.75rem;--s-4:1rem;--s-5:1.5rem;--s-6:2rem;--s-7:3rem;--s-8:4.5rem;--s-9:6.5rem;
  --t-xs:.78rem;--t-sm:.9rem;--t-md:1.0625rem;--t-lg:1.25rem;--t-xl:1.6rem;--t-2xl:clamp(1.9rem,1.3rem + 2.2vw,2.75rem);--t-3xl:clamp(2.3rem,1.4rem + 3.6vw,4rem);
  --r:6px;
  --wrap:1240px;
  --gut:max(16px,env(safe-area-inset-left,0px));
  --gut-r:max(16px,env(safe-area-inset-right,0px));
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:clip}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--f-body);font-size:var(--t-md);line-height:1.65;text-rendering:optimizeLegibility;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--bronze-deep);text-underline-offset:3px}
a:hover{color:var(--bronze)}
:focus-visible{outline:3px solid var(--bronze-hi);outline-offset:2px;border-radius:2px}
h1,h2,h3,h4{font-family:var(--f-display);font-stretch:85%;line-height:1.08;letter-spacing:-.01em;text-wrap:balance;margin:0 0 var(--s-4);color:inherit}
h1{font-size:var(--t-3xl);font-weight:800}
h2{font-size:var(--t-2xl);font-weight:750}
h3{font-size:var(--t-lg);font-weight:700;font-stretch:90%;letter-spacing:0}
p{margin:0 0 var(--s-4)}
ul,ol{margin:0 0 var(--s-4);padding-left:1.2em}
li{margin-bottom:.35em}
strong{font-weight:600}
.skip{position:absolute;left:-9999px;top:0;background:var(--bronze);color:#fff;padding:.6rem 1rem;z-index:100}
.skip:focus{left:var(--gut)}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:var(--gut);padding-right:var(--gut-r)}
.eyebrow{font-family:var(--f-mono);font-size:var(--t-xs);letter-spacing:.12em;text-transform:uppercase;color:var(--bronze);display:inline-flex;gap:.6em;align-items:center;margin-bottom:var(--s-3)}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor}
.lead{font-size:var(--t-lg);line-height:1.55;color:var(--muted);max-width:62ch}
.muted{color:var(--muted)}
.mono{font-family:var(--f-mono)}
.prose{max-width:70ch}
.prose h2{margin-top:var(--s-7)}
.prose h3{margin-top:var(--s-6)}
.prose .eyebrow+h2,.prose>h2:first-child,.toc+h2{margin-top:0}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55em;font-family:var(--f-body);font-weight:600;font-size:var(--t-md);line-height:1;padding:.95em 1.35em;border-radius:var(--r);border:1.5px solid transparent;text-decoration:none;cursor:pointer;transition:background .18s,color .18s,border-color .18s,transform .18s;white-space:nowrap}
.btn svg{width:1.15em;height:1.15em;flex:none}
.btn--bronze{background:var(--bronze);color:#fff}
.btn--bronze:hover{background:var(--bronze-deep);color:#fff}
.btn--wa{background:var(--wa);color:#fff}
.btn--wa:hover{background:#178044;color:#fff}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.38)}
.btn--ghost:hover{border-color:#fff;color:#fff}
.btn--line{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--line:hover{border-color:var(--ink);color:var(--ink)}
.btn-row{display:flex;flex-wrap:wrap;gap:var(--s-3)}

/* ---------- topbar ---------- */
.topbar{background:var(--graphite);color:var(--muted-dark);font-size:var(--t-xs)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:var(--s-4);min-height:38px}
.topbar a{color:#e6e7e8;text-decoration:none}
.topbar a:hover{color:var(--bronze-hi)}
.topbar__info{display:flex;gap:var(--s-5);flex-wrap:wrap;align-items:center}
.topbar__info span{display:inline-flex;gap:.45em;align-items:center}
.topbar svg{width:14px;height:14px;opacity:.75}
@media (max-width:820px){.topbar__addr,.topbar__mail{display:none!important}}

/* language switch */
.lang{position:relative}
.lang__btn{display:inline-flex;align-items:center;gap:.4em;background:transparent;border:1px solid var(--line-dark);color:#fff;font:600 var(--t-xs)/1 var(--f-mono);letter-spacing:.08em;padding:.45em .65em;border-radius:4px;cursor:pointer}
.lang__btn svg{width:12px;height:12px}
.lang__menu{position:absolute;right:0;top:calc(100% + 6px);background:var(--white);color:var(--ink);min-width:190px;border:1px solid var(--line);border-radius:var(--r);box-shadow:0 14px 40px rgba(0,0,0,.18);padding:.35rem;z-index:60;list-style:none;margin:0}
.lang__menu li{margin:0}
.lang__menu a,.lang__menu span{display:flex;justify-content:space-between;align-items:center;gap:1em;padding:.55rem .7rem;border-radius:4px;font-size:var(--t-sm);color:var(--ink);text-decoration:none}
.lang__menu a[aria-current]{background:var(--paper);font-weight:600}
.lang__menu span{color:var(--muted);cursor:not-allowed}
.lang__menu small{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--bronze);background:var(--bronze-tint);padding:.2em .45em;border-radius:3px}

/* ---------- header ---------- */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--white);border-bottom:1px solid var(--line)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:51;background:var(--white)}
.site-header .wrap{display:flex;align-items:center;gap:var(--s-5);min-height:76px}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--ink);flex:none}
.brand img{height:54px;width:auto}
.brand__txt{display:flex;flex-direction:column;line-height:1.05}
.brand__name{font-family:var(--f-display);font-stretch:80%;font-weight:800;font-size:1.32rem;letter-spacing:.01em;text-transform:uppercase}
.brand__sub{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;margin-top:3px}
.nav{margin-left:auto}
.nav>ul{display:flex;align-items:center;gap:.15rem;list-style:none;margin:0;padding:0}
.nav>ul>li{margin:0;position:relative}
.nav__link{display:inline-flex;align-items:center;gap:.3em;padding:.65rem .8rem;font-weight:500;font-size:.97rem;color:var(--ink);text-decoration:none;border-radius:4px;background:none;border:0;font-family:inherit;cursor:pointer}
.nav__link:hover,.nav__link[aria-current="page"]{color:var(--bronze-deep)}
.nav__link[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--bronze)}
.nav__link svg{width:12px;height:12px;transition:transform .2s}
.has-mega[data-open] .nav__link svg{transform:rotate(180deg)}
.header-cta{flex:none}
.mega{position:absolute;left:50%;top:calc(100% + 10px);transform:translateX(-46%);width:min(880px,92vw);background:var(--white);border:1px solid var(--line);border-radius:10px;box-shadow:0 24px 60px rgba(20,22,25,.18);padding:var(--s-5);display:none;grid-template-columns:repeat(3,1fr);gap:var(--s-5)}
.has-mega[data-open] .mega{display:grid}
.mega h3{font-family:var(--f-mono);font-size:var(--t-xs);font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:var(--s-3);padding-bottom:var(--s-2);border-bottom:1px solid var(--line)}
.mega ul{list-style:none;padding:0;margin:0}
.mega li{margin:0}
.mega a{display:flex;align-items:center;gap:.6rem;padding:.42rem .4rem;border-radius:4px;color:var(--ink);text-decoration:none;font-size:.95rem}
.mega a:hover{background:var(--paper);color:var(--bronze-deep)}
.mega a.mega__all{margin-top:.4rem;font-weight:600;color:var(--bronze-deep)}
.dot{width:10px;height:10px;border-radius:50%;flex:none;box-shadow:0 0 0 2px #fff,0 0 0 3px rgba(0,0,0,.12);background:var(--c,#999)}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:6px;width:46px;height:46px;align-items:center;justify-content:center;cursor:pointer;color:var(--ink)}
.burger svg{width:22px;height:22px}
@media (max-width:1080px){
  .burger{display:inline-flex}
  .header-cta{display:none}
  .nav{position:fixed;inset:0 0 0 auto;width:min(380px,100%);background:var(--white);transform:translateX(100%);visibility:hidden;transition:transform .25s ease,visibility 0s .25s;z-index:70;overflow-y:auto;padding:calc(env(safe-area-inset-top,0px) + 72px) var(--gut-r) calc(env(safe-area-inset-bottom,0px) + 24px) var(--s-5);box-shadow:-20px 0 60px rgba(0,0,0,.2)}
  .nav[data-open]{transform:none;visibility:visible;transition:transform .25s ease}
  .nav>ul{flex-direction:column;align-items:stretch;gap:0}
  .nav__link{width:100%;justify-content:space-between;padding:.9rem .2rem;font-size:1.05rem;border-bottom:1px solid var(--line);border-radius:0}
  .nav__link[aria-current="page"]{box-shadow:none}
  .mega{position:static;transform:none;width:auto;box-shadow:none;border:0;padding:.4rem 0 1rem .2rem;grid-template-columns:1fr;gap:var(--s-4)}
  .nav__close{position:absolute;top:calc(env(safe-area-inset-top,0px) + 16px);right:var(--gut-r);display:inline-flex}
  .nav .btn{width:100%;margin-top:var(--s-5)}
}
@media (min-width:1081px){.nav__close,.nav .nav__mobile-cta{display:none!important}}
.scrim{position:fixed;inset:0;background:rgba(10,11,13,.5);z-index:49}
@media (max-width:520px){.brand img{height:44px}.brand__name{font-size:1.1rem}.brand__sub{display:none}.site-header .wrap{min-height:66px}}

/* ---------- hero (home) ---------- */
.hero{position:relative;background:var(--graphite);color:#fff;overflow:hidden;isolation:isolate}
.hero__img{position:absolute;inset:0;z-index:-2}
.hero__img img{width:100%;height:100%;object-fit:cover;object-position:50% 65%}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(15,16,18,.94) 0%,rgba(15,16,18,.82) 42%,rgba(15,16,18,.35) 100%)}
.hero .wrap{padding-block:clamp(3.5rem,8vw,7rem) clamp(2.5rem,6vw,5rem)}
.hero h1{max-width:19ch;font-size:clamp(2.3rem,1.3rem + 3.2vw,3.7rem);margin-bottom:var(--s-5)}
.hero h1 em{font-style:normal;color:var(--bronze-hi)}
.hero .lead{color:#d6d8db;max-width:56ch}
.hero .eyebrow{color:var(--bronze-hi)}
.hero .btn-row{margin-top:var(--s-6)}
.hero__facts{display:flex;flex-wrap:wrap;gap:var(--s-5) var(--s-7);margin-top:var(--s-7);padding-top:var(--s-5);border-top:1px solid rgba(255,255,255,.14);list-style:none;padding-left:0}
.hero__facts li{margin:0;display:flex;flex-direction:column}
.hero__facts b{font-family:var(--f-display);font-stretch:80%;font-size:1.9rem;font-weight:800;line-height:1}
.hero__facts span{font-size:var(--t-sm);color:var(--muted-dark)}

/* alloy rail */
.alloys{background:var(--ink);color:#fff;border-top:1px solid var(--line-dark)}
.alloys .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.alloy{display:flex;flex-direction:column;gap:.3rem;padding:var(--s-5) var(--s-5) var(--s-5) 0;text-decoration:none;color:#fff;border-right:1px solid var(--line-dark);position:relative;transition:background .2s}
.alloy+ .alloy{padding-left:var(--s-5)}
.alloy:last-child{border-right:0}
.alloy:hover{color:#fff;background:var(--ink-2)}
.alloy__code{display:flex;align-items:center;gap:.6rem;font-family:var(--f-display);font-stretch:75%;font-weight:800;font-size:2.4rem;line-height:1;letter-spacing:-.01em}
.alloy__code .dot{width:14px;height:14px;box-shadow:0 0 0 3px var(--ink),0 0 0 4px rgba(255,255,255,.2)}
.alloy__std{font-family:var(--f-mono);font-size:.72rem;color:var(--bronze-hi);letter-spacing:.04em}
.alloy__txt{font-size:var(--t-sm);color:var(--muted-dark);line-height:1.45}
.alloy__go{font-size:var(--t-sm);font-weight:600;margin-top:.3rem;color:#fff}
@media (max-width:900px){.alloys .wrap{grid-template-columns:repeat(2,1fr)}.alloy{padding:var(--s-5)!important}.alloy:nth-child(2){border-right:0}.alloy:nth-child(-n+2){border-bottom:1px solid var(--line-dark)}}
@media (max-width:560px){.alloy__code{font-size:1.9rem}.alloy__txt{display:none}}

/* ---------- sections ---------- */
.sec{padding-block:clamp(3rem,7vw,6rem)}
.sec--paper{background:var(--paper)}
.sec--dark{background:var(--graphite);color:#e9eaeb}
.sec--dark .lead,.sec--dark .muted{color:var(--muted-dark)}
.sec--dark .eyebrow{color:var(--bronze-hi)}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:var(--s-5);flex-wrap:wrap;margin-bottom:var(--s-6)}
.sec-head>div{max-width:720px}
.sec-head h2{margin-bottom:var(--s-3)}
.sec-head p{margin:0}
.grid{display:grid;gap:var(--s-5)}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:980px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:minmax(0,1fr)}}
.split{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(2rem,5vw,4.5rem);align-items:center}
.split--top{align-items:start}
@media (max-width:900px){.split{grid-template-columns:minmax(0,1fr)}}

/* product card (bar-end tag) */
.pcard{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:8px;overflow:hidden;text-decoration:none;color:var(--ink);transition:border-color .2s,transform .2s,box-shadow .2s;min-width:0}
.pcard:hover{border-color:#b9bcb7;transform:translateY(-3px);box-shadow:0 16px 40px rgba(20,22,25,.10);color:var(--ink)}
.pcard__img{aspect-ratio:4/3;overflow:hidden;background:var(--paper);max-width:100%}
.pcard__img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.pcard:hover .pcard__img img{transform:scale(1.04)}
.pcard__body{padding:var(--s-4) var(--s-5) var(--s-5);display:flex;flex-direction:column;gap:.45rem;flex:1}
.pcard__tag{display:flex;align-items:center;gap:.5rem;font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.pcard h3{margin:0;font-size:1.2rem}
.pcard p{margin:0;font-size:var(--t-sm);color:var(--muted);line-height:1.55}
.pcard__more{margin-top:auto;padding-top:.6rem;font-weight:600;font-size:var(--t-sm);color:var(--bronze-deep);display:inline-flex;align-items:center;gap:.35em}
.pcard__more svg{width:14px;height:14px;transition:transform .2s}
.pcard:hover .pcard__more svg{transform:translateX(3px)}

/* compact link list cards (plastics) */
.mcard{display:flex;flex-direction:column;gap:.35rem;padding:var(--s-5);border:1px solid var(--line);border-radius:8px;text-decoration:none;color:var(--ink);background:var(--white);transition:border-color .2s,background .2s}
.mcard:hover{border-color:var(--bronze);color:var(--ink)}
.mcard__code{font-family:var(--f-display);font-stretch:75%;font-weight:800;font-size:1.6rem;line-height:1;color:var(--bronze);margin-bottom:.15rem}
.mcard h3{margin:0;font-size:1.08rem}
.mcard p{margin:0;font-size:var(--t-sm);color:var(--muted);line-height:1.5}

/* forms of supply */
.forms{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--white)}
.form-cell{padding:var(--s-5);border-right:1px solid var(--line);display:flex;flex-direction:column;gap:.5rem;text-decoration:none;color:var(--ink)}
.form-cell:last-child{border-right:0}
.form-cell:hover{background:var(--paper);color:var(--ink)}
.form-cell svg{width:64px;height:48px;color:var(--ink)}
.form-cell h3{margin:.4rem 0 0;font-size:1.15rem}
.form-cell p{margin:0;font-size:var(--t-sm);color:var(--muted)}
.form-cell .mono{font-size:.74rem;color:var(--bronze-deep)}
@media (max-width:900px){.forms{grid-template-columns:repeat(2,minmax(0,1fr))}.form-cell:nth-child(2){border-right:0}.form-cell:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media (max-width:460px){.forms{grid-template-columns:minmax(0,1fr)}.form-cell{border-right:0;border-bottom:1px solid var(--line)}.form-cell:last-child{border-bottom:0}}

/* feature list */
.feat{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--s-6)}
.feat>div{border-top:2px solid var(--bronze);padding-top:var(--s-4)}
.feat h3{font-size:1.12rem;margin-bottom:var(--s-2)}
.feat p{font-size:var(--t-sm);color:var(--muted);margin:0}
.sec--dark .feat p{color:var(--muted-dark)}
@media (max-width:980px){.feat{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.feat{grid-template-columns:minmax(0,1fr)}}

/* media */
.media{border-radius:10px;overflow:hidden;background:var(--paper);max-width:100%}
.media img{width:100%;height:100%;object-fit:cover}
.media--tall{aspect-ratio:4/5}
.media--wide{aspect-ratio:16/10}
.media figcaption{font-size:var(--t-xs);color:var(--muted);padding:.5rem .1rem 0;font-family:var(--f-mono)}
figure{margin:0}
.mosaic{display:grid;grid-template-columns:1.2fr 1fr;grid-template-rows:auto auto;gap:var(--s-3)}
.mosaic .media:first-child{grid-row:span 2}
.mosaic .media{aspect-ratio:auto}
.mosaic .media:first-child img{aspect-ratio:3/4}
.mosaic .media img{aspect-ratio:4/3}

/* ---------- page hero (inner) ---------- */
.phero{background:var(--graphite);color:#fff;position:relative;overflow:hidden;isolation:isolate}
.phero__bg{position:absolute;inset:0;z-index:-2;opacity:.28}
.phero__bg img{width:100%;height:100%;object-fit:cover}
.phero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,var(--graphite) 30%,rgba(21,23,26,.75) 100%)}
.phero .wrap{padding-block:clamp(2rem,5vw,3.75rem) clamp(2.5rem,5vw,4rem)}
.phero__grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.9fr);gap:clamp(2rem,5vw,4rem);align-items:end}
@media (max-width:900px){.phero__grid{grid-template-columns:minmax(0,1fr)}}
.phero h1{font-size:clamp(2.1rem,1.3rem + 3vw,3.5rem);margin-bottom:var(--s-4)}
.phero .lead{color:#cfd2d5}
.phero .eyebrow{color:var(--bronze-hi)}
.phero .btn-row{margin-top:var(--s-5)}
.crumbs{font-size:var(--t-xs);font-family:var(--f-mono);letter-spacing:.04em;color:var(--muted-dark);margin-bottom:var(--s-5)}
.crumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.3rem .5rem}
.crumbs li{margin:0;display:flex;gap:.5rem;align-items:center}
.crumbs li+li::before{content:"/";opacity:.5}
.crumbs a{color:#e4e5e6;text-decoration:none}
.crumbs a:hover{color:var(--bronze-hi)}

/* spec label (mill certificate card) */
.label{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.16);border-radius:8px;padding:var(--s-5);font-family:var(--f-mono);font-size:.82rem;color:#dfe1e3;backdrop-filter:blur(4px)}
.label__head{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding-bottom:var(--s-3);margin-bottom:var(--s-3);border-bottom:1px dashed rgba(255,255,255,.22)}
.label__code{font-family:var(--f-display);font-stretch:75%;font-weight:800;font-size:2.6rem;line-height:.9;color:#fff;display:flex;gap:.6rem;align-items:center}
.label__code .dot{width:16px;height:16px;box-shadow:0 0 0 3px var(--graphite),0 0 0 4px rgba(255,255,255,.25)}
.label__kind{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--bronze-hi);text-align:right}
.label dl{display:grid;grid-template-columns:auto minmax(0,1fr);gap:.45rem 1.2rem;margin:0}
.label dt{color:var(--muted-dark);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;padding-top:.1em}
.label dd{margin:0;color:#fff;font-variant-numeric:tabular-nums}

/* tables */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:var(--white);margin-bottom:var(--s-5);max-width:100%}
table{border-collapse:collapse;width:100%;font-size:var(--t-sm)}
caption{caption-side:bottom;text-align:left;font-size:var(--t-xs);color:var(--muted);padding:.6rem .9rem;font-family:var(--f-body)}
th,td{padding:.7rem .9rem;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--paper);font-family:var(--f-mono);font-weight:500;font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}
tbody th{font-weight:600;white-space:nowrap}
td.num,th.num{font-variant-numeric:tabular-nums;white-space:nowrap}
.tbl-comp td:first-child{font-weight:600}
.tbl-chem thead th{text-transform:none;letter-spacing:.02em;font-size:.8rem}

/* checklist */
.check{list-style:none;padding:0}
.check li{position:relative;padding-left:1.7em;margin-bottom:.6em}
.check li::before{content:"";position:absolute;left:0;top:.5em;width:.95em;height:.55em;border-left:2px solid var(--bronze);border-bottom:2px solid var(--bronze);transform:rotate(-45deg)}
.cols-2{columns:2;column-gap:var(--s-6)}
.cols-2 li{break-inside:avoid}
@media (max-width:640px){.cols-2{columns:1}}

/* aside card */
.side{position:sticky;top:calc(env(safe-area-inset-top,0px) + 100px);display:flex;flex-direction:column;gap:var(--s-4)}
.box{border:1px solid var(--line);border-radius:10px;padding:var(--s-5);background:var(--white)}
.box--dark{background:var(--ink);color:#fff;border-color:var(--ink)}
.box--dark p{color:var(--muted-dark)}
.box h3{font-size:1.15rem;margin-bottom:var(--s-3)}
.box .btn{width:100%}
.box .btn+.btn{margin-top:var(--s-2)}
.box ul{list-style:none;padding:0;margin:0}
.box li{margin:0;border-bottom:1px solid var(--line)}
.box li:last-child{border-bottom:0}
.box li a{display:flex;justify-content:space-between;gap:1rem;padding:.6rem 0;text-decoration:none;color:var(--ink);font-size:var(--t-sm)}
.box li a:hover{color:var(--bronze-deep)}
.box li a[aria-current]{font-weight:600;color:var(--bronze-deep)}
.phone-big{font-family:var(--f-display);font-stretch:80%;font-weight:800;font-size:1.7rem;color:#fff;text-decoration:none;display:block;line-height:1.1;margin-bottom:var(--s-4)}
.phone-big:hover{color:var(--bronze-hi)}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:clamp(2rem,5vw,4rem);align-items:start}
@media (max-width:980px){.layout{grid-template-columns:minmax(0,1fr)}.side{position:static}}

/* FAQ */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:1.1rem 2.5rem 1.1rem 0;font-weight:600;font-size:1.05rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:.4rem;top:50%;width:12px;height:12px;border-right:2px solid var(--bronze);border-bottom:2px solid var(--bronze);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details>div{padding:0 0 1.2rem;color:var(--muted);max-width:75ch}
.faq details>div p:last-child{margin:0}

/* CTA band */
.cta{background:var(--ink);color:#fff;position:relative;overflow:hidden;isolation:isolate}
.cta::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(60% 120% at 100% 0%,rgba(211,150,99,.28),transparent 60%)}
.cta .wrap{padding-block:clamp(2.5rem,6vw,4.5rem);display:flex;justify-content:space-between;align-items:center;gap:var(--s-6);flex-wrap:wrap}
.cta h2{margin-bottom:var(--s-2);max-width:22ch}
.cta p{margin:0;color:var(--muted-dark);max-width:55ch}

/* gallery */
.gal{columns:3 280px;column-gap:var(--s-3)}
.gal figure{break-inside:avoid;margin:0 0 var(--s-3);border-radius:8px;overflow:hidden;position:relative;background:var(--paper)}
.gal button{display:block;padding:0;border:0;background:none;cursor:zoom-in;width:100%}
.gal img{width:100%;height:auto}
.gal figcaption{position:absolute;left:0;right:0;bottom:0;padding:1.6rem .8rem .65rem;font-size:var(--t-xs);color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.72));pointer-events:none}
.lightbox{position:fixed;inset:0;z-index:90;background:rgba(10,11,13,.92);display:flex;align-items:center;justify-content:center;padding:max(16px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) max(16px,env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
.lightbox img{max-height:86vh;width:auto;border-radius:6px}
.lightbox p{position:absolute;bottom:calc(env(safe-area-inset-bottom,0px) + 18px);left:0;right:0;text-align:center;color:#ddd;font-size:var(--t-sm);margin:0;padding:0 1rem}
.lightbox button{position:absolute;top:calc(env(safe-area-inset-top,0px) + 14px);right:calc(env(safe-area-inset-right,0px) + 14px);background:#fff;border:0;border-radius:50%;width:44px;height:44px;font-size:1.4rem;cursor:pointer}

/* calculator */
.calc{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--white)}
@media (max-width:860px){.calc{grid-template-columns:minmax(0,1fr)}}
.calc__form{padding:clamp(1.25rem,3vw,2rem);display:grid;gap:var(--s-4)}
.calc__row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--s-4)}
@media (max-width:460px){.calc__row{grid-template-columns:minmax(0,1fr)}}
.field{display:flex;flex-direction:column;gap:.35rem;min-width:0}
.field label{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.field input,.field select,.field textarea{font:inherit;font-size:1rem;padding:.75rem .85rem;border:1.5px solid var(--line);border-radius:6px;background:var(--white);color:var(--ink);width:100%;min-width:0}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--bronze)}
.field .unit{position:relative}
.field .unit input{padding-right:3rem}
.field .unit span{position:absolute;right:.85rem;top:50%;transform:translateY(-50%);font-family:var(--f-mono);font-size:.8rem;color:var(--muted)}
.shapes{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:.5rem}
@media (max-width:520px){.shapes{grid-template-columns:repeat(3,minmax(0,1fr))}}
.shapes>div{position:relative;min-width:0}
.shapes input{position:absolute;inset:0;width:100%;height:100%;opacity:0;margin:0;pointer-events:none}
.shapes label{display:flex;flex-direction:column;align-items:center;gap:.35rem;padding:.7rem .3rem;border:1.5px solid var(--line);border-radius:8px;cursor:pointer;font-size:.8rem;font-weight:500;text-align:center;line-height:1.2;color:var(--ink);text-transform:none;letter-spacing:0;font-family:var(--f-body)}
.shapes svg{width:34px;height:28px}
.shapes input:checked+label{border-color:var(--bronze);background:var(--bronze-tint);color:var(--bronze-deep)}
.shapes input:focus-visible+label{outline:3px solid var(--bronze-hi)}
.calc__out{background:var(--graphite);color:#fff;padding:clamp(1.25rem,3vw,2rem);display:flex;flex-direction:column;gap:var(--s-4)}
.calc__out .eyebrow{color:var(--bronze-hi)}
.calc__kg{font-family:var(--f-display);font-stretch:75%;font-weight:800;font-size:clamp(2.8rem,2rem + 3vw,4.2rem);line-height:1;font-variant-numeric:tabular-nums}
.calc__kg small{font-size:.4em;font-weight:600;margin-left:.2em;color:var(--muted-dark)}
.calc__out dl{display:grid;grid-template-columns:auto minmax(0,1fr);gap:.5rem 1rem;margin:0;font-family:var(--f-mono);font-size:.82rem}
.calc__out dt{color:var(--muted-dark)}
.calc__out dd{margin:0;text-align:right;font-variant-numeric:tabular-nums}
.calc__note{font-size:var(--t-xs);color:var(--muted-dark);margin:0}

/* contact */
.nap{display:grid;gap:var(--s-4)}
.nap__item{display:grid;grid-template-columns:44px minmax(0,1fr);gap:1rem;align-items:start}
.nap__ico{width:44px;height:44px;border-radius:8px;background:var(--bronze-tint);color:var(--bronze-deep);display:flex;align-items:center;justify-content:center}
.nap__ico svg{width:20px;height:20px}
.nap__item b{display:block;font-family:var(--f-mono);font-weight:500;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.nap__item a,.nap__item span{color:var(--ink);text-decoration:none;font-size:1.05rem}
.nap__item a:hover{color:var(--bronze-deep)}
.map{border-radius:10px;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10;background:var(--paper);max-width:100%}
.map iframe{width:100%;height:100%;border:0;display:block}
.form{display:grid;gap:var(--s-4)}
.form .btn{justify-self:start}
.form__note{font-size:var(--t-xs);color:var(--muted);margin:0}

/* footer */
.site-footer{background:var(--graphite);color:var(--muted-dark);font-size:var(--t-sm)}
.site-footer .wrap{padding-block:var(--s-8) var(--s-5)}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:var(--s-6)}
@media (max-width:980px){.foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.foot-grid{grid-template-columns:minmax(0,1fr)}}
.site-footer h2{font-family:var(--f-mono);font-size:.74rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin-bottom:var(--s-4)}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:0 0 .45rem}
.site-footer a{color:var(--muted-dark);text-decoration:none}
.site-footer a:hover{color:var(--bronze-hi)}
.foot-brand img{height:72px;width:auto;margin-bottom:var(--s-4)}
.foot-bottom{display:flex;justify-content:space-between;gap:var(--s-4);flex-wrap:wrap;border-top:1px solid var(--line-dark);margin-top:var(--s-7);padding-top:var(--s-5);font-size:var(--t-xs)}
.foot-tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:var(--s-4)}
.foot-tags a{border:1px solid var(--line-dark);border-radius:999px;padding:.25rem .65rem;font-size:.76rem}

/* floating contact */
.float{position:fixed;right:calc(env(safe-area-inset-right,0px) + 18px);bottom:calc(env(safe-area-inset-bottom,0px) + 18px);z-index:40;display:flex;flex-direction:column;gap:10px}
.float a{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 10px 28px rgba(0,0,0,.28)}
.float a svg{width:26px;height:26px}
.float__wa{background:var(--wa)}
.float__tel{background:var(--bronze)}
.mbar{display:none}
@media (max-width:700px){
  .float{display:none}
  .mbar{display:grid;grid-template-columns:repeat(3,1fr);position:fixed;left:0;right:0;bottom:0;z-index:45;background:var(--graphite);padding:8px max(10px,env(safe-area-inset-right,0px)) calc(env(safe-area-inset-bottom,0px) + 8px) max(10px,env(safe-area-inset-left,0px));gap:8px;border-top:1px solid var(--line-dark)}
  .mbar a{display:flex;align-items:center;justify-content:center;gap:.45em;padding:.75rem .4rem;border-radius:6px;font-weight:600;font-size:.92rem;color:#fff;text-decoration:none}
  .mbar svg{width:18px;height:18px}
  .mbar__tel{background:var(--bronze)}
  .mbar__wa{background:var(--wa)}
  .mbar__offer{background:var(--ink-2)}
  body{padding-bottom:calc(env(safe-area-inset-bottom,0px) + 70px)}
}
.toast{position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom,0px) + 90px);transform:translateX(-50%);background:var(--ink);color:#fff;padding:.75rem 1.1rem;border-radius:6px;font-size:var(--t-sm);z-index:95;box-shadow:0 10px 30px rgba(0,0,0,.3);max-width:calc(100% - 32px)}

/* reveal: visible at rest, gentle lift when JS enabled */
.js .rv{transform:translateY(14px);transition:transform .6s ease}
.js .rv.in{transform:none}

/* misc */
.pill{display:inline-flex;align-items:center;gap:.4rem;font-family:var(--f-mono);font-size:.72rem;letter-spacing:.05em;padding:.3rem .6rem;border-radius:999px;border:1px solid var(--line);color:var(--muted);background:var(--white)}
.pills{display:flex;flex-wrap:wrap;gap:.45rem;margin-bottom:var(--s-5)}
.note{border-left:3px solid var(--bronze);background:var(--paper);padding:var(--s-4) var(--s-5);border-radius:0 6px 6px 0;font-size:var(--t-sm);color:var(--muted);margin:var(--s-5) 0}
.note strong{color:var(--ink)}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--s-4);margin:var(--s-5) 0}
.stats div{border:1px solid var(--line);border-radius:8px;padding:var(--s-4)}
.stats b{display:block;font-family:var(--f-display);font-stretch:75%;font-size:2rem;font-weight:800;line-height:1;color:var(--bronze-deep)}
.stats span{font-size:var(--t-xs);color:var(--muted)}
@media (max-width:520px){.stats{grid-template-columns:minmax(0,1fr)}}
.toc{border:1px solid var(--line);border-radius:8px;padding:var(--s-4) var(--s-5);margin-bottom:var(--s-6);background:var(--paper)}
.toc b{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:500}
.toc ol{margin:.5rem 0 0;padding-left:1.2em;font-size:var(--t-sm)}
.e404{min-height:50vh;display:flex;align-items:center}