/* ===========================================================
   MACHINIS SOLUTIONS LLC — site styles
   Industrial / engineered aesthetic. Steel navy + machine orange.
   Display: Space Grotesk · Body: IBM Plex Sans · Labels: IBM Plex Mono
   =========================================================== */
:root{
  --steel-950:#0C141C;
  --steel-900:#101B25;
  --steel-800:#16222E;
  --steel-700:#1F2E3C;
  --concrete:#EBEEF1;
  --concrete-2:#E1E6EA;
  --paper:#F6F8FA;
  --ink:#13202B;
  --ink-2:#3C4A57;
  --muted:#6A7884;
  --muted-d:#8A98A4;
  --line:#26333F;          /* hairlines on dark */
  --line-l:#D5DCE2;        /* hairlines on light */
  --orange:#E2641E;
  --orange-2:#F08A3D;
  --orange-d:#C5530F;
  --signal:#34C7A8;        /* technical accent, used sparingly */
  --white:#FFFFFF;
  --maxw:1180px;
  --r:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'IBM Plex Sans',system-ui,sans-serif;
  color:var(--ink);background:var(--paper);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,.display{font-family:'Space Grotesk',sans-serif;font-weight:700;line-height:1.04;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.mono{font-family:'IBM Plex Mono',monospace}

/* spec label — the signature: part-number styled eyebrow */
.spec{font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;font-weight:500;color:var(--orange);display:inline-flex;align-items:center;gap:9px}
.spec::before{content:"";width:7px;height:7px;background:var(--orange);border-radius:1px;transform:rotate(45deg);flex:none}
.spec.light{color:var(--orange-2)}
.spec.muted{color:var(--muted)}
.spec.muted::before{background:var(--muted)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:'IBM Plex Sans';font-weight:600;font-size:15px;
  padding:13px 22px;border-radius:10px;border:1px solid transparent;cursor:pointer;transition:.18s;white-space:nowrap}
.btn .arr{font-family:'IBM Plex Mono';font-weight:600}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-d);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.btn-dark{background:var(--steel-800);color:#fff}
.btn-dark:hover{background:var(--steel-700)}
.btn-lg{padding:16px 28px;font-size:16px}

/* ---------- product line headers ---------- */
.linehead{display:flex;align-items:center;gap:13px;flex-wrap:wrap;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--line-l)}
.linehead .lpn{font-family:'IBM Plex Mono';font-size:11px;color:#fff;background:var(--orange);border-radius:6px;padding:5px 9px;letter-spacing:.06em;flex:none}
.linehead h3{font-size:23px}
.linehead p{color:var(--ink-2);font-size:14.5px;flex:1 1 280px;margin:0}

/* ---------- valve guide cards ---------- */
.vgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.vcard{background:var(--white);border:1px solid var(--line-l);border-radius:var(--r);padding:24px;scroll-margin-top:90px;transition:.18s}
.vcard:hover{box-shadow:0 14px 36px rgba(12,20,28,.08);border-color:var(--line-l)}
.vcard .vtop{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.vcard .vpn{font-family:'IBM Plex Mono';font-size:11px;color:#fff;background:var(--steel-800);border-radius:6px;padding:4px 8px;letter-spacing:.06em;flex:none}
.vcard h3{font-size:19px}
.vcard p.vd{color:var(--ink-2);font-size:14.5px}
.vcard .use{margin-top:14px;background:var(--concrete);border-left:3px solid var(--orange);border-radius:0 8px 8px 0;padding:11px 13px}
.vcard .use .k{font-family:'IBM Plex Mono';font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--orange-d);font-weight:600;display:block;margin-bottom:3px}
.vcard .use .t{font-size:13.5px;color:var(--ink);line-height:1.5}
@media(max-width:760px){.vgrid{grid-template-columns:1fr}}

/* ---------- header / nav ---------- */
.site-head{position:sticky;top:0;z-index:50;background:rgba(12,20,28,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:11px;color:#fff}
.brand .mk{width:38px;height:38px;border-radius:9px;background:linear-gradient(135deg,var(--orange),var(--orange-2));display:grid;place-items:center;font-family:'Space Grotesk';font-weight:700;color:#fff;font-size:19px;flex:none}
.brand .bn{font-family:'Space Grotesk';font-weight:700;font-size:16px;letter-spacing:.01em;line-height:1}
.brand .bt{font-family:'IBM Plex Mono';font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-d);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{color:#C4CFD8;font-size:14.5px;font-weight:500;padding:9px 14px;border-radius:8px;transition:.15s}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-links a.active{color:#fff}
.nav-links a.active::after{content:"";display:block;height:2px;background:var(--orange);margin-top:5px;border-radius:2px}

/* ---------- mega menu (Products dropdown) ---------- */
.has-mega{position:static}
.mega{position:absolute;left:0;right:0;top:68px;background:var(--steel-900);border-top:1px solid var(--orange);border-bottom:1px solid var(--line);
  box-shadow:0 30px 60px rgba(0,0,0,.4);opacity:0;visibility:hidden;transform:translateY(-8px);transition:.18s;z-index:55}
.has-mega:hover .mega,.mega:hover,.mega.open{opacity:1;visibility:visible;transform:none}
.mega-inner{max-width:var(--maxw);margin:0 auto;padding:0;display:grid;grid-template-columns:300px 1fr}
.mega-rail{border-right:1px solid var(--line);padding:18px 14px}
.rail-lab{font-family:'IBM Plex Mono';font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-d);padding:0 12px 10px}
.railbtn{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;text-align:left;background:none;border:none;color:#C4CFD8;font-family:'IBM Plex Sans';font-size:14px;font-weight:600;padding:11px 12px;border-radius:8px;cursor:pointer;transition:.14s}
.railbtn:hover,.railbtn.on{background:var(--steel-700);color:#fff}
.railbtn .ar{color:var(--orange);font-family:'IBM Plex Mono';font-weight:600}
.mega-panels{padding:24px 28px;position:relative}
.mega-panel{display:none}
.mega-panel.on{display:block;animation:megafade .18s ease}
@keyframes megafade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.mega-panel .links{display:grid;grid-template-columns:repeat(3,1fr);gap:4px 14px}
.mega-panel .links a{display:block;color:#C4CFD8;font-size:13.5px;font-weight:500;padding:8px 0;border-bottom:1px solid rgba(38,51,63,.5);transition:.14s}
.mega-panel .links a:hover{color:#fff;padding-left:6px}
.mega-panel .links a:hover::before{content:"▸ ";color:var(--orange)}
.mega-allcta{display:inline-block;margin-top:18px;color:var(--orange-2);font-family:'IBM Plex Sans';font-weight:700;font-size:14px}
.mega-allcta:hover{color:var(--orange)}
@media(max-width:980px){.mega-inner{grid-template-columns:240px 1fr}.mega-panel .links{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.has-mega .mega{display:none!important}}
.nav-right{display:flex;align-items:center;gap:12px}
.lang{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.lang button{background:transparent;color:var(--muted-d);border:none;font-family:'IBM Plex Mono';font-size:12px;font-weight:600;padding:7px 10px;cursor:pointer;letter-spacing:.05em}
.lang button.on{background:var(--orange);color:#fff}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;width:42px;height:40px;cursor:pointer;color:#fff}
.menu-btn span{display:block;width:18px;height:2px;background:#fff;margin:3px auto;transition:.2s}

/* ---------- sections ---------- */
.section{padding:84px 0}
.section.dark{background:var(--steel-900);color:#fff}
.section.steel{background:var(--steel-950);color:#fff}
.section.light{background:var(--paper)}
.section.concrete{background:var(--concrete)}
.section-head{max-width:720px;margin-bottom:46px}
.section-head h2{font-size:clamp(28px,4vw,44px);margin:14px 0 0}
.section.dark .section-head p,.section.steel .section-head p{color:#A9B7C2}
.section-head p{font-size:17px;color:var(--ink-2);margin-top:14px}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--steel-950);color:#fff;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:54px 54px;opacity:.32;mask-image:radial-gradient(ellipse 80% 70% at 70% 20%,#000 30%,transparent 75%)}
.hero-inner{position:relative;padding:90px 0 88px;display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.hero h1{font-size:clamp(38px,6vw,72px);margin:20px 0}
.hero h1 em{font-style:normal;color:var(--orange-2)}
.hero p.lead{font-size:19px;color:#B7C3CD;max-width:520px}
.hero-cta{display:flex;gap:13px;margin-top:30px;flex-wrap:wrap}
.hero-aside{border:1px solid var(--line);border-radius:var(--r);background:linear-gradient(180deg,rgba(31,46,60,.5),rgba(16,27,37,.4));padding:6px}
.hero-aside .row{display:flex;justify-content:space-between;align-items:baseline;padding:18px 18px;border-bottom:1px dashed var(--line)}
.hero-aside .row:last-child{border-bottom:none}
.hero-aside .k{font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-d)}
.hero-aside .v{font-family:'Space Grotesk';font-weight:700;font-size:30px;color:#fff}
.hero-aside .v small{font-size:14px;color:var(--orange-2);font-family:'IBM Plex Mono'}

/* marquee / supplier strip */
.strip{background:var(--steel-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip-inner{display:flex;align-items:center;gap:34px;padding:18px 0;flex-wrap:wrap;justify-content:center}
.strip .lab{font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-d)}
.strip .chip{font-family:'IBM Plex Mono';font-size:13px;color:#C4CFD8;border:1px solid var(--line);border-radius:7px;padding:7px 13px;letter-spacing:.04em}

/* ---------- trust / value cards ---------- */
.grid{display:grid;gap:18px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--white);border:1px solid var(--line-l);border-radius:var(--r);padding:26px 24px;transition:.18s}
.section.dark .card,.section.steel .card{background:var(--steel-800);border-color:var(--line)}
.card:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(12,20,28,.1)}
.section.dark .card:hover,.section.steel .card:hover{box-shadow:0 16px 40px rgba(0,0,0,.35)}
.card .idx{font-family:'IBM Plex Mono';font-size:12px;color:var(--orange);letter-spacing:.1em}
.card h3{font-size:20px;margin:16px 0 9px}
.section.dark .card h3,.section.steel .card h3{color:#fff}
.card p{color:var(--ink-2);font-size:14.5px}
.section.dark .card p,.section.steel .card p{color:#A9B7C2}
.card .ico{width:46px;height:46px;border-radius:11px;background:rgba(226,100,30,.12);border:1px solid rgba(226,100,30,.3);display:grid;place-items:center;color:var(--orange);margin-bottom:4px}
.card .ico svg{width:23px;height:23px}

/* stat band */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.stats .s{padding:30px 26px;border-right:1px solid var(--line)}
.stats .s:last-child{border-right:none}
.stats .num{font-family:'Space Grotesk';font-weight:700;font-size:42px;color:#fff;line-height:1}
.stats .num span{color:var(--orange-2)}
.stats .lab{font-family:'IBM Plex Mono';font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-d);margin-top:10px}

/* ---------- product categories ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cat{position:relative;background:var(--white);border:1px solid var(--line-l);border-radius:var(--r);padding:24px;overflow:hidden;transition:.18s}
.cat:hover{border-color:var(--orange);transform:translateY(-3px)}
.cat .pn{font-family:'IBM Plex Mono';font-size:11px;color:var(--muted);letter-spacing:.12em}
.cat h3{font-size:19px;margin:12px 0 10px}
.cat ul{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.cat li{font-family:'IBM Plex Mono';font-size:11.5px;color:var(--ink-2);background:var(--concrete);border-radius:6px;padding:4px 9px}
.cat .go{position:absolute;top:22px;right:22px;color:var(--muted);font-family:'IBM Plex Mono'}
.cat:hover .go{color:var(--orange)}

/* ---------- band / CTA ---------- */
.cta-band{background:var(--steel-950);color:#fff;border-radius:18px;padding:54px;display:grid;grid-template-columns:1.3fr .7fr;gap:30px;align-items:center;position:relative;overflow:hidden}
.cta-band .hero-grid{opacity:.22}
.cta-band h2{font-size:clamp(26px,3.4vw,38px);position:relative}
.cta-band p{color:#A9B7C2;margin-top:12px;position:relative}
.cta-band .right{display:flex;flex-direction:column;gap:11px;position:relative}

/* ---------- forms ---------- */
.form-card{background:var(--white);border:1px solid var(--line-l);border-radius:var(--r);padding:30px}
.field{margin-bottom:16px}
.field label{display:block;font-family:'IBM Plex Mono';font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);margin-bottom:7px;font-weight:500}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line-l);border-radius:10px;padding:12px 13px;font-family:'IBM Plex Sans';font-size:15px;color:var(--ink);background:#fff;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(226,100,30,.12)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* contact info rows */
.info-row{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line-l)}
.info-row:last-child{border:none}
.info-row .ico{width:42px;height:42px;border-radius:10px;background:var(--concrete);display:grid;place-items:center;color:var(--orange);flex:none}
.info-row .k{font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.info-row .v{font-weight:600;font-size:15.5px;margin-top:2px}

/* ---------- page header (inner pages) ---------- */
.page-head{background:var(--steel-950);color:#fff;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-head .inner{position:relative;padding:64px 0 58px}
.page-head h1{font-size:clamp(32px,5vw,54px);margin:16px 0 0}
.page-head p{color:#A9B7C2;margin-top:14px;max-width:620px;font-size:17px}

/* ---------- footer ---------- */
.foot{background:var(--steel-950);color:#fff;border-top:1px solid var(--line);padding:54px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:30px;margin-bottom:36px}
.foot h4{font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-d);font-weight:500;margin-bottom:16px}
.foot a{display:block;color:#B7C3CD;font-size:14.5px;padding:5px 0}
.foot a:hover{color:#fff}
.foot .about p{color:#94A2AE;font-size:14px;margin-top:14px;max-width:300px}
.foot-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-family:'IBM Plex Mono';font-size:12px;color:var(--muted-d)}

/* ---------- whatsapp float ---------- */
.wa{position:fixed;right:20px;bottom:20px;z-index:60;width:56px;height:56px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.25);transition:.18s}
.wa:hover{transform:scale(1.07)}
.wa svg{width:30px;height:30px;fill:#fff}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .cta-band{grid-template-columns:1fr;padding:34px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .g-4,.stats{grid-template-columns:repeat(2,1fr)}
  .cat-grid,.g-3{grid-template-columns:repeat(2,1fr)}
  .stats .s:nth-child(2){border-right:none}
  .stats .s:nth-child(1),.stats .s:nth-child(2){border-bottom:1px solid var(--line)}
}
@media(max-width:640px){
  .section{padding:60px 0}
  .nav-links{position:absolute;top:68px;left:0;right:0;background:var(--steel-900);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px;gap:2px;display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 14px}
  .nav-links a.active::after{display:none}
  .menu-btn{display:block}
  .g-2,.g-3,.g-4,.cat-grid,.stats,.two{grid-template-columns:1fr}
  .stats{border-radius:var(--r)}
  .stats .s{border-right:none;border-bottom:1px solid var(--line)}
  .stats .s:last-child{border-bottom:none}
  .foot-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}