/* ==========================================================
   ARIF ENGINEERING IRON WORKS — arifengineering.net
   Palette: navy #14226B / red #D8232A (brand logo colors)
   Type: Space Grotesk (display) / Inter (body) / IBM Plex Mono (spec)
   ========================================================== */

:root{
  --navy:#14226B;
  --navy-deep:#0D1440;
  --ink:#141824;
  --red:#D8232A;
  --steel:#EEF0F4;
  --paper:#FFFFFF;
  --line:#CBD1DC;
  --line-dark:rgba(255,255,255,.18);
  --muted:#5A6172;
  --display:"Space Grotesk","Segoe UI",sans-serif;
  --body:"Inter","Segoe UI",Arial,sans-serif;
  --mono:"IBM Plex Mono","Courier New",monospace;
  --gutter:clamp(20px,5vw,72px);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{
  font-family:var(--body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}

/* ---------- utility ---------- */
.wrap{max-width:1240px;margin:0 auto;padding:0 var(--gutter)}
.mono{font-family:var(--mono)}

/* hazard / weld-seam bar */
.seam{
  height:8px;
  background:repeating-linear-gradient(-45deg,var(--red) 0 14px,var(--navy) 14px 28px);
}

/* ---------- top bar ---------- */
.topbar{
  background:var(--navy-deep);
  color:#B8C0DB;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.04em;
}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding-top:7px;padding-bottom:7px}
.topbar a{color:#fff;text-decoration:none}
.topbar a:hover{color:#FFB3B6}
.topbar span.ntn{color:#7E88AD}
@media(max-width:720px){.topbar .ntn{display:none}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--paper);
  border-bottom:2px solid var(--ink);
}
.site-header .wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:78px;
}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none}
.brand img{height:50px;width:auto}
.brand-name{display:flex;flex-direction:column;line-height:1.1}
.brand-name b{
  font-family:var(--display);font-size:19px;font-weight:700;
  letter-spacing:-.01em;color:var(--navy);
}
.brand-name small{
  font-family:var(--mono);font-size:10px;letter-spacing:.2em;
  color:var(--red);text-transform:uppercase;margin-top:2px;
}
.nav{display:flex;gap:2px}
.nav a{
  font-family:var(--display);font-size:15px;font-weight:600;
  letter-spacing:0;text-decoration:none;
  color:var(--ink);padding:10px 14px;border-bottom:3px solid transparent;
}
.nav a:hover{color:var(--red)}
.nav a.active{color:var(--navy);border-bottom-color:var(--red)}
.nav a.nav-cta{
  background:var(--red);color:#fff;border:none;margin-left:10px;
}
.nav a.nav-cta:hover{background:var(--navy);color:#fff}
.nav-toggle{
  display:none;background:none;border:2px solid var(--ink);
  font-family:var(--mono);font-size:12px;letter-spacing:.1em;
  padding:8px 12px;cursor:pointer;text-transform:uppercase;
}
@media(max-width:960px){
  .nav-toggle{display:block}
  .nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;background:var(--paper);
    border-bottom:2px solid var(--ink);padding:8px var(--gutter) 18px;
  }
  .nav.open{display:flex}
  .nav a{border-bottom:1px solid var(--line);padding:14px 4px}
  .nav a.nav-cta{margin:12px 0 0;text-align:center}
  .brand-name b{font-size:16px}
}

/* ---------- hero (home) ---------- */
.hero{
  position:relative;color:#fff;background:var(--navy-deep);
  overflow:hidden;
}
.hero-img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;opacity:.38;
}
.hero-grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
}
.hero .wrap{position:relative;padding-top:clamp(70px,10vw,124px);padding-bottom:clamp(70px,10vw,124px)}
.hero-eyebrow{
  font-family:var(--mono);font-size:13px;letter-spacing:.26em;
  text-transform:uppercase;color:#FF8E93;margin-bottom:22px;
}
.hero h1{
  font-family:var(--display);font-weight:700;
  font-size:clamp(38px,6vw,76px);line-height:1.02;letter-spacing:-.03em;
  max-width:16ch;
}
.hero h1 .accent{color:#FF5A60}
.hero p{max-width:56ch;margin-top:26px;font-size:clamp(16px,1.5vw,18px);color:#D5DAEA}
.hero-actions{margin-top:38px;display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-block;font-family:var(--display);font-weight:700;
  font-size:15px;letter-spacing:.02em;
  text-decoration:none;padding:14px 30px;border:2px solid transparent;
}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:#fff;color:var(--red)}
.btn-ghost{border-color:#fff;color:#fff}
.btn-ghost:hover{background:#fff;color:var(--navy)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--red)}

/* spec strip under hero */
.spec-strip{background:var(--ink);color:#fff;border-top:1px solid var(--line-dark)}
.spec-strip .wrap{
  display:grid;grid-template-columns:repeat(4,1fr);
}
.spec{
  padding:22px 18px;border-left:1px solid var(--line-dark);
}
.spec:first-child{border-left:none;padding-left:0}
.spec b{
  font-family:var(--display);font-size:30px;font-weight:700;
  display:block;line-height:1.1;color:#fff;letter-spacing:-.02em;
}
.spec span{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:#8D96B8;
}
@media(max-width:760px){
  .spec-strip .wrap{grid-template-columns:1fr 1fr}
  .spec{padding-left:0;border-left:none;border-top:1px solid var(--line-dark)}
  .spec:nth-child(-n+2){border-top:none}
}

/* ---------- section + title block (signature) ---------- */
.section{padding:clamp(56px,8vw,104px) 0}
.section.steel{background:var(--steel)}
.section.dark{background:var(--navy-deep);color:#fff}

.titleblock{
  display:flex;border:2px solid var(--ink);
  margin-bottom:clamp(30px,4vw,52px);
  background:var(--paper);
}
.dark .titleblock{border-color:#fff;background:transparent}
.titleblock .tb-ref{
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;
  padding:14px 18px;border-right:2px solid var(--ink);
  display:flex;align-items:center;color:var(--red);
  white-space:nowrap;text-transform:uppercase;
}
.dark .titleblock .tb-ref{border-right-color:#fff;color:#FF8E93}
.titleblock h2{
  font-family:var(--display);font-weight:700;
  font-size:clamp(22px,3.2vw,33px);line-height:1.1;
  padding:14px 20px;letter-spacing:-.02em;flex:1;
}
.titleblock .tb-tick{width:14px;background:var(--red)}
.section-intro{max-width:70ch;margin:-14px 0 40px;color:var(--muted);font-size:17px}
.dark .section-intro{color:#C6CCE2}

/* ---------- service cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--ink);border:2px solid var(--ink)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--ink);border:2px solid var(--ink)}
@media(max-width:960px){.grid-3{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.grid-3,.grid-2{grid-template-columns:1fr}}
.cell{background:var(--paper);padding:30px 26px}
.cell .ref{
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;
  color:var(--red);text-transform:uppercase;
}
.cell h3{
  font-family:var(--display);font-weight:700;
  font-size:20px;line-height:1.15;margin:10px 0 12px;color:var(--navy);
  letter-spacing:-.01em;
}
.cell p{color:var(--muted);font-size:15px}
.cell ul{list-style:none;margin-top:14px}
.cell ul li{
  padding:7px 0 7px 20px;position:relative;
  border-top:1px solid var(--line);font-size:14.5px;
}
.cell ul li::before{
  content:"";position:absolute;left:0;top:14px;
  width:10px;height:10px;background:var(--red);
  clip-path:polygon(0 0,100% 50%,0 100%);
}
.cell.linkcell{display:flex;flex-direction:column}
.cell .cell-link{
  margin-top:auto;padding-top:16px;
  font-family:var(--display);font-weight:700;font-size:14.5px;
  text-decoration:none;color:var(--red);
}
.cell .cell-link:hover{color:var(--navy)}

/* ---------- projects gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:960px){.gallery{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.gallery{grid-template-columns:1fr}}
.project{
  border:2px solid var(--ink);background:var(--paper);
  text-decoration:none;color:var(--ink);display:block;
}
.project figure{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--steel)}
.project img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.project:hover img{transform:scale(1.05)}
.project figcaption{
  border-top:2px solid var(--ink);padding:14px 16px 16px;
}
.project figcaption .ref{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;
  color:var(--red);text-transform:uppercase;
}
.project figcaption h3{
  font-family:var(--display);font-weight:700;font-size:18px;
  line-height:1.2;margin-top:5px;color:var(--navy);letter-spacing:-.01em;
}
.project figcaption p{font-size:13.5px;color:var(--muted);margin-top:4px}

/* lightbox */
.lightbox{
  position:fixed;inset:0;background:rgba(13,20,64,.94);
  display:none;align-items:center;justify-content:center;z-index:100;
  padding:5vmin;cursor:zoom-out;
}
.lightbox.open{display:flex}
.lightbox img{max-width:100%;max-height:100%;border:3px solid #fff}

/* ---------- clients ---------- */
.clients{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:var(--line);border:2px solid var(--ink)}
@media(max-width:920px){.clients{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.clients{grid-template-columns:1fr}}
.client{
  background:var(--paper);padding:20px 18px;color:var(--ink);
}
.client b{
  font-family:var(--display);font-weight:700;font-size:16.5px;
  color:var(--navy);display:block;line-height:1.25;letter-spacing:-.01em;
}
.client span{font-family:var(--mono);font-size:11.5px;color:var(--muted);letter-spacing:.04em}

/* ---------- about page ---------- */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(30px,5vw,64px);align-items:start}
@media(max-width:900px){.split{grid-template-columns:1fr}}
.split .photo{border:2px solid var(--ink)}
.split .photo img{width:100%;height:100%;object-fit:cover}
.lede{font-size:clamp(18px,1.8vw,21px);line-height:1.5;color:var(--ink);font-weight:500;font-family:var(--display);letter-spacing:-.01em}
.body-copy p{margin-bottom:18px;color:#3A4051;font-size:15.5px}

.mv{display:grid;grid-template-columns:1fr 1fr 1fr;gap:2px;background:var(--ink);border:2px solid var(--ink);margin-top:44px}
@media(max-width:820px){.mv{grid-template-columns:1fr}}
.mv .cell h3{font-size:19px}

.team{display:grid;grid-template-columns:repeat(5,1fr);gap:2px;background:var(--ink);border:2px solid var(--ink)}
@media(max-width:1060px){.team{grid-template-columns:repeat(3,1fr)}}
@media(max-width:680px){.team{grid-template-columns:1fr}}
.member{background:var(--paper);padding:24px 20px}
.member .ref{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--red);text-transform:uppercase}
.member b{
  font-family:var(--display);font-weight:700;font-size:17.5px;line-height:1.2;
  color:var(--navy);display:block;margin:8px 0 4px;letter-spacing:-.01em;
}
.member span{display:block;font-size:14px;color:var(--ink);font-weight:500}
.member small{font-family:var(--mono);font-size:11.5px;color:var(--muted)}

.equip{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border:2px solid #fff}
@media(max-width:680px){.equip{grid-template-columns:1fr}}
.equip div{
  display:flex;justify-content:space-between;gap:14px;
  padding:12px 18px;border-bottom:1px solid var(--line-dark);
  font-size:15px;
}
.equip div:nth-child(odd){border-right:1px solid var(--line-dark)}
@media(max-width:680px){.equip div:nth-child(odd){border-right:none}}
.equip b{font-family:var(--mono);font-weight:400;color:#FF8E93;font-size:13px}

/* ---------- CTA band ---------- */
.cta-band{background:var(--navy);color:#fff}
.cta-band .wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:26px;padding-top:52px;padding-bottom:52px;flex-wrap:wrap;
}
.cta-band h2{
  font-family:var(--display);font-weight:700;
  font-size:clamp(24px,3.2vw,36px);line-height:1.15;max-width:24ch;
  letter-spacing:-.02em;
}
.cta-band .mono-line{font-family:var(--mono);font-size:13px;color:#B8C0DB;margin-top:10px}

/* ---------- contact page ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,5vw,60px)}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}}
.info-list{border:2px solid var(--ink)}
.info-item{padding:20px 22px;border-bottom:2px solid var(--ink)}
.info-item:last-child{border-bottom:none}
.info-item .ref{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--red);text-transform:uppercase}
.info-item p, .info-item a{
  font-family:var(--display);font-weight:600;font-size:19px;
  color:var(--navy);text-decoration:none;line-height:1.3;margin-top:6px;display:block;
  letter-spacing:-.01em;
}
.info-item a:hover{color:var(--red)}
.info-item small{font-size:14px;color:var(--muted);font-family:var(--body);display:block;margin-top:4px}

form.quote{border:2px solid var(--ink);padding:clamp(22px,3vw,36px);background:var(--paper)}
form.quote .row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:640px){form.quote .row{grid-template-columns:1fr}}
form.quote label{
  display:block;font-family:var(--mono);font-size:11px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--ink);
  margin:18px 0 6px;
}
form.quote input,form.quote select,form.quote textarea{
  width:100%;border:2px solid var(--line);background:var(--steel);
  padding:12px 14px;font-family:var(--body);font-size:15.5px;color:var(--ink);
}
form.quote input:focus,form.quote select:focus,form.quote textarea:focus{
  outline:none;border-color:var(--navy);background:#fff;
}
form.quote button{
  margin-top:26px;cursor:pointer;width:100%;
  background:var(--red);color:#fff;border:2px solid var(--red);
  font-family:var(--display);font-weight:700;font-size:16px;
  letter-spacing:.02em;padding:15px;
}
form.quote button:hover{background:var(--navy);border-color:var(--navy)}
.map-frame{border:2px solid var(--ink);margin-top:clamp(36px,5vw,56px)}
.map-frame iframe{display:block;width:100%;height:380px;border:0}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#B8C0DB;font-size:14.5px}
.site-footer .wrap{
  display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;
  padding-top:56px;padding-bottom:44px;
}
@media(max-width:860px){.site-footer .wrap{grid-template-columns:1fr}}
.site-footer img{height:64px;margin-bottom:16px;filter:drop-shadow(0 0 1px #fff)}
.site-footer h4{
  font-family:var(--mono);font-size:12px;letter-spacing:.2em;
  text-transform:uppercase;color:#fff;margin-bottom:14px;
}
.site-footer a{color:#B8C0DB;text-decoration:none;display:block;padding:4px 0}
.site-footer a:hover{color:#FF8E93}
.footer-bottom{border-top:1px solid var(--line-dark)}
.footer-bottom .wrap{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding-top:16px;padding-bottom:16px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;color:#7E88AD;
}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* page hero (inner pages) */
.page-hero{background:var(--navy-deep);color:#fff;position:relative;overflow:hidden}
.page-hero .hero-grid{opacity:.9}
.page-hero .wrap{position:relative;padding-top:clamp(48px,7vw,84px);padding-bottom:clamp(48px,7vw,84px)}
.page-hero .crumbs{font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:#FF8E93;margin-bottom:14px}
.page-hero h1{
  font-family:var(--display);font-weight:700;
  font-size:clamp(32px,5vw,58px);line-height:1.05;letter-spacing:-.03em;
}
.page-hero p{max-width:62ch;margin-top:18px;color:#C6CCE2;font-size:17px}


/* ---------- v2 additions: WhatsApp float, testimonials, FAQ ---------- */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:90;
  width:58px;height:58px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(0,0,0,.28);
  transition:transform .2s;
}
.wa-float:hover{transform:scale(1.08)}
@media(max-width:640px){.wa-float{width:52px;height:52px;right:16px;bottom:16px}}

.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:920px){.quotes{grid-template-columns:1fr}}
.quote-card{
  background:var(--paper);border:2px solid var(--ink);
  padding:26px 24px;position:relative;
}
.quote-card::before{
  content:"\201C";position:absolute;top:6px;right:18px;
  font-family:var(--display);font-size:64px;font-weight:700;
  color:var(--red);opacity:.25;line-height:1;
}
.quote-card p{font-size:15px;color:#3A4051;line-height:1.7}
.quote-card footer{margin-top:18px;border-top:1px solid var(--line);padding-top:12px}
.quote-card footer b{font-family:var(--display);font-size:15px;color:var(--navy);display:block}
.quote-card footer span{font-family:var(--mono);font-size:11.5px;color:var(--muted)}

.faq-list{border:2px solid var(--ink);background:var(--paper)}
.faq{border-bottom:2px solid var(--ink)}
.faq:last-child{border-bottom:none}
.faq summary{
  cursor:pointer;list-style:none;padding:18px 22px;
  font-family:var(--display);font-weight:600;font-size:17px;color:var(--navy);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";font-size:24px;color:var(--red);font-weight:600;flex-shrink:0;
  transition:transform .2s;
}
.faq[open] summary::after{transform:rotate(45deg)}
.faq p{padding:0 22px 20px;color:var(--muted);font-size:15px;max-width:75ch}

@media(max-width:1000px){#why-grid{grid-template-columns:1fr 1fr!important}}
@media(max-width:600px){#why-grid{grid-template-columns:1fr!important}}