/*
Theme Name: ARC Enterprises Industrial Portfolio
Theme URI: https://example.com/
Author: ARC Enterprises
Description: Premium, lightweight industrial business portfolio theme with native Customizer controls, editable Services/Projects/FAQs, secure enquiry form and dedicated responsive layouts.
Version: 3.0.0
Requires at least: 6.0
Tested up to: 6.9
Requires PHP: 7.4
Text Domain: arc-enterprises
License: GPL-2.0-or-later
*/
:root{--arc-primary:#124DA3;--arc-primary-dark:#092E69;--arc-accent:#F28A18;--arc-surface:#F4F7FB;--arc-ink:#10233F;--arc-muted:#64748B;--arc-border:#E5EAF1;--arc-white:#fff;--arc-radius:14px;--arc-shadow:0 18px 50px rgba(16,35,63,.10);--arc-container:1160px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--arc-ink);background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased}body.menu-open{overflow:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}.container{width:min(calc(100% - 48px),var(--arc-container));margin-inline:auto}.screen-reader-text{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.skip-link:focus{position:fixed!important;z-index:9999;left:20px;top:20px;width:auto!important;height:auto!important;padding:12px 18px!important;clip:auto!important;background:#fff;color:var(--arc-primary);border-radius:8px;box-shadow:var(--arc-shadow)}
.topbar{background:var(--arc-primary-dark);color:#dce9ff;font-size:12px}.topbar-inner{min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:20px}.topbar a{color:#fff}.topbar .sep{opacity:.45;margin:0 9px}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid rgba(16,35,63,.08)}.nav-inner{min-height:78px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;flex:none}.brand img{width:auto;max-width:190px;height:58px;object-fit:contain}.brand .custom-logo{max-height:58px;width:auto}.main-nav{margin-left:auto}.main-nav ul{list-style:none;padding:0;margin:0;display:flex;align-items:center;gap:28px}.main-nav a{font-size:13px;font-weight:700;letter-spacing:.02em;color:#25344b;transition:.2s}.main-nav a:hover,.main-nav .current-menu-item>a{color:var(--arc-primary)}.header-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:var(--arc-primary);color:#fff;border:1px solid var(--arc-primary);padding:12px 20px;border-radius:8px;font-size:13px;font-weight:800;line-height:1.2;box-shadow:0 7px 20px rgba(18,77,163,.18);transition:transform .2s,background .2s,border-color .2s}.header-cta{padding:11px 16px;white-space:nowrap}.btn:hover,.header-cta:hover{background:var(--arc-primary-dark);border-color:var(--arc-primary-dark);transform:translateY(-2px)}.btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);box-shadow:none}.btn-ghost:hover{background:#fff;color:var(--arc-primary);border-color:#fff}.btn-dark{background:#0d1930;border-color:#0d1930}.btn-full{width:100%}.btn-light{background:#fff;color:var(--arc-primary);border-color:#fff}.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.5);box-shadow:none}.menu-toggle{display:none;margin-left:auto;width:44px;height:44px;background:#fff;border:1px solid var(--arc-border);border-radius:9px;padding:9px}.menu-toggle span:not(.screen-reader-text){display:block;height:2px;background:var(--arc-ink);margin:5px 0;border-radius:2px}
.hero{position:relative;overflow:hidden;background:linear-gradient(115deg,rgba(7,28,60,.98) 0%,rgba(11,57,122,.92) 48%,rgba(18,77,163,.88) 100%),var(--arc-hero-image,none),linear-gradient(115deg,#071c3c 0%,#0b397a 48%,#124DA3 100%);background-size:cover;background-position:center;color:#fff}.hero:after{content:"";position:absolute;right:-160px;top:-230px;width:600px;height:600px;border:1px solid rgba(242,138,24,.45);border-radius:50%;box-shadow:0 0 0 45px rgba(255,255,255,.03),0 0 0 90px rgba(255,255,255,.025)}.hero-grid{position:relative;z-index:1;min-height:650px;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(360px,.72fr);gap:70px;align-items:center;padding-block:70px}.hero-copy{max-width:720px}.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--arc-primary);font-size:11px;text-transform:uppercase;letter-spacing:.14em;font-weight:900;margin-bottom:14px}.eyebrow:before{content:"";width:26px;height:2px;background:var(--arc-accent)}.eyebrow-light{color:#cfe0ff}.hero h1{font-size:clamp(42px,5vw,72px);line-height:1.04;letter-spacing:-.045em;margin:0 0 22px;max-width:760px}.hero-copy>p{font-size:18px;line-height:1.75;color:#dbe8fb;max-width:650px;margin:0 0 30px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-trust{display:flex;gap:22px;flex-wrap:wrap;margin-top:32px;color:#c9dbf4;font-size:12px;font-weight:700}.quote-card{background:#fff;color:var(--arc-ink);padding:30px;border-radius:18px;box-shadow:0 30px 80px rgba(0,0,0,.24);border-top:4px solid var(--arc-accent)}.mini-label{font-size:10px;letter-spacing:.14em;font-weight:900;color:var(--arc-accent)}.quote-card h2{margin:5px 0 3px;font-size:24px;letter-spacing:-.02em}.quote-card p{margin:0 0 20px;color:var(--arc-muted);font-size:13px}.arc-form label{display:block;margin:0 0 12px}.arc-form input,.arc-form textarea,.arc-form select{width:100%;border:1px solid #d9e0e9;background:#f8fafc;border-radius:7px;padding:12px 13px;outline:none;color:var(--arc-ink);transition:.2s}.arc-form input:focus,.arc-form textarea:focus,.arc-form select:focus{border-color:var(--arc-primary);box-shadow:0 0 0 3px rgba(18,77,163,.10);background:#fff}.arc-form textarea{resize:vertical;min-height:105px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.hp-field{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;overflow:hidden}.arc-form-notice{padding:10px 12px;border-radius:7px;background:#eaf7ee;color:#176b32;font-size:12px;margin-bottom:14px}.arc-status-invalid,.arc-status-rate,.arc-status-mail_error{background:#fff3f0;color:#8b2a1c}
.section{padding:105px 0}.intro{background:#fff}.about-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:80px;align-items:center}.media-frame,.proof-media{position:relative;border-radius:18px;overflow:hidden;background:#e8eef6;min-height:450px}.media-frame img,.proof-media img{width:100%;height:100%;min-height:450px;object-fit:cover}.arc-image-placeholder{min-height:100%;height:100%;min-height:360px;display:grid;place-items:center;background:linear-gradient(135deg,#e8eef6,#c9d7e8);color:#57708e;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.media-badge{position:absolute;bottom:22px;left:22px;background:#fff;border-left:4px solid var(--arc-accent);padding:14px 18px;border-radius:8px;box-shadow:var(--arc-shadow);display:flex;flex-direction:column}.media-badge strong{font-size:24px;color:var(--arc-primary);line-height:1}.media-badge span{font-size:11px;color:var(--arc-muted);margin-top:4px}.content-copy h2,.section-heading h2,.proof h2,.features-section h2,.industries h2,.faq-section h2{font-size:clamp(34px,4vw,52px);line-height:1.1;letter-spacing:-.04em;margin:0 0 18px}.content-copy p,.proof p,.industries p,.faq-section p{color:var(--arc-muted);font-size:16px}.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 20px;margin:26px 0}.check-grid span{font-size:13px;font-weight:800}.check-grid span:before{content:"✓";display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#eaf2ff;color:var(--arc-primary);margin-right:8px}.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--arc-primary);font-weight:900;font-size:13px}.text-link svg{width:18px;fill:none;stroke:currentColor;stroke-width:2}
.section-dark{background:#071a36;color:#fff;position:relative;overflow:hidden}.section-dark:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 15%,rgba(18,77,163,.4),transparent 36%)}.section-dark .container{position:relative}.section-heading{margin-bottom:42px}.section-heading.split{display:grid;grid-template-columns:1.2fr .65fr;gap:80px;align-items:end}.section-heading p{color:#72849e;margin:0}.section-dark .section-heading p{color:#afc2de}.section-dark .section-heading h2{max-width:700px}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.service-card{background:#fff;color:var(--arc-ink);border-radius:13px;overflow:hidden;transition:.25s;box-shadow:0 12px 30px rgba(0,0,0,.14)}.service-card:hover{transform:translateY(-6px);box-shadow:0 22px 45px rgba(0,0,0,.24)}.service-media{height:170px;background:linear-gradient(135deg,#164d9c,#092e69);display:grid;place-items:center;overflow:hidden}.service-media img{width:100%;height:100%;object-fit:cover}.service-media>span{font-weight:900;color:#fff;letter-spacing:.2em}.service-body{padding:20px}.service-index{color:var(--arc-accent);font-size:11px;font-weight:900}.service-body h3{font-size:16px;margin:8px 0}.service-body p{font-size:12px;color:var(--arc-muted);min-height:58px;margin:0 0 14px}.service-body a{font-size:12px;font-weight:900;color:var(--arc-primary)}
.proof{background:var(--arc-primary);color:#fff}.proof-grid{display:grid;grid-template-columns:1fr .85fr;gap:90px;align-items:center}.proof .eyebrow{color:#d7e6ff}.proof h2{max-width:650px}.proof p{color:#c5d7f0;max-width:640px}.proof-media{min-height:390px;box-shadow:0 25px 60px rgba(0,0,0,.22)}.proof-media img{min-height:390px}.stat-row{display:flex;gap:50px;margin-top:34px}.stat-row strong{display:block;font-size:38px;line-height:1;color:#fff}.stat-row span{font-size:11px;color:#c4d5ec;text-transform:uppercase;letter-spacing:.08em}.features-section{background:#fff}.section-heading.centered{text-align:center;max-width:760px;margin-inline:auto;margin-bottom:45px}.section-heading.centered .eyebrow{justify-content:center}.section-heading.centered p{max-width:650px;margin:0 auto;color:var(--arc-muted)}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-grid article{border:1px solid var(--arc-border);border-radius:14px;padding:30px;background:#fff;box-shadow:0 8px 24px rgba(16,35,63,.05)}.feature-grid svg{width:34px;height:34px;fill:none;stroke:var(--arc-primary);stroke-width:1.7;margin-bottom:15px}.feature-grid h3{margin:0 0 8px;font-size:18px}.feature-grid p{color:var(--arc-muted);font-size:13px;margin:0}
.industries{background:var(--arc-surface)}.industry-layout{display:grid;grid-template-columns:.9fr 1fr;gap:80px;align-items:center}.industry-list{margin-top:28px;border-top:1px solid var(--arc-border)}.industry-list>div{display:grid;grid-template-columns:48px 1fr;gap:12px;padding:17px 0;border-bottom:1px solid var(--arc-border)}.industry-list b{color:var(--arc-accent);font-size:12px}.industry-list span{display:flex;flex-direction:column;font-size:12px;color:var(--arc-muted)}.industry-list strong{font-size:14px;color:var(--arc-ink);margin-bottom:3px}.industry-collage{display:grid;grid-template-columns:1.15fr .85fr;grid-template-rows:220px 220px;gap:12px}.industry-collage>div{border-radius:12px;overflow:hidden;background:#dfe8f3}.industry-collage>div:first-child{grid-row:span 2}.industry-collage img{width:100%;height:100%;object-fit:cover}.gallery-section{background:#fff}.gallery-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.gallery-grid figure{margin:0;border-radius:11px;overflow:hidden;position:relative;min-height:250px;background:#dfe8f3}.gallery-grid figure img,.gallery-grid figure .arc-image-placeholder{width:100%;height:100%;min-height:250px;object-fit:cover}.gallery-grid figcaption{position:absolute;bottom:0;left:0;right:0;padding:30px 16px 15px;color:#fff;font-size:13px;font-weight:800;background:linear-gradient(transparent,rgba(5,19,40,.85));display:flex;gap:8px;align-items:center}.gallery-grid figcaption span{color:var(--arc-accent);font-size:10px}
.faq-section{background:var(--arc-surface)}.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:90px}.faq-list{border-top:1px solid var(--arc-border)}.faq-list details{border-bottom:1px solid var(--arc-border)}.faq-list summary{list-style:none;cursor:pointer;padding:20px 0;font-weight:800;font-size:15px;display:flex;justify-content:space-between;gap:20px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{color:var(--arc-primary);font-size:22px;font-weight:400;transition:.2s}.faq-list details[open] summary span{transform:rotate(45deg)}.faq-list details>div{color:var(--arc-muted);font-size:13px;padding:0 35px 20px 0}
.contact-cta{background:linear-gradient(100deg,var(--arc-primary-dark),var(--arc-primary));color:#fff;padding:70px 0}.contact-cta-inner{display:flex;justify-content:space-between;align-items:center;gap:40px}.contact-cta h2{font-size:clamp(30px,4vw,48px);line-height:1.1;letter-spacing:-.04em;margin:0 0 10px}.contact-cta p{margin:0;color:#cfe0f7}.contact-cta .eyebrow{color:#d9e6f8}.contact-actions{display:flex;gap:10px;flex:none}.site-footer{background:#06142a;color:#aebed4;padding-top:65px}.footer-grid{display:grid;grid-template-columns:1.25fr .6fr 1fr;gap:70px;padding-bottom:50px}.footer-brand img{width:175px;height:auto;margin-bottom:15px}.footer-grid p{max-width:420px;font-size:13px}.footer-grid h3{color:#fff;font-size:14px;margin:0 0 15px}.footer-grid ul{list-style:none;padding:0;margin:0}.footer-grid li{font-size:13px;margin:9px 0}.footer-grid a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:18px 0;display:flex;justify-content:space-between;font-size:11px}.whatsapp-float{position:fixed;right:22px;bottom:22px;width:52px;height:52px;border-radius:50%;background:#20b968;color:#fff;display:grid;place-items:center;font-size:12px;font-weight:900;box-shadow:0 12px 30px rgba(0,0,0,.22);z-index:90}.page-wrap{padding:90px 0;min-height:500px}.page-header{margin-bottom:40px}.page-header h1{font-size:clamp(40px,5vw,64px);line-height:1.05;margin:0}.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.post-card{border:1px solid var(--arc-border);border-radius:14px;overflow:hidden}.post-card img{width:100%;aspect-ratio:16/10;object-fit:cover}.post-card div{padding:22px}.post-card h2{font-size:20px;margin:0 0 8px}.post-card p{font-size:13px;color:var(--arc-muted)}.single-content>img{width:100%;max-height:600px;object-fit:cover;border-radius:15px;margin-bottom:30px}.page-content{max-width:850px;margin:auto}
@media(max-width:1050px){.main-nav ul{gap:18px}.hero-grid{grid-template-columns:1fr .75fr;gap:35px}.service-grid{grid-template-columns:repeat(2,1fr)}.gallery-grid{grid-template-columns:repeat(3,1fr)}.gallery-grid figure:nth-child(4),.gallery-grid figure:nth-child(5){min-height:220px}.section-heading.split{gap:35px}}
@media(max-width:800px){.container{width:min(calc(100% - 32px),var(--arc-container))}.topbar-inner{padding:7px 0;flex-direction:column;gap:2px;text-align:center}.topbar{font-size:11px}.nav-inner{min-height:70px}.header-cta{display:none}.menu-toggle{display:block}.main-nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--arc-border);box-shadow:0 20px 30px rgba(0,0,0,.08);display:none;padding:8px 16px}.main-nav.is-open{display:block}.main-nav ul{display:flex;flex-direction:column;align-items:stretch;gap:0}.main-nav a{display:block;padding:13px 8px;border-bottom:1px solid #eef1f5}.hero-grid,.about-grid,.proof-grid,.industry-layout,.faq-layout{grid-template-columns:1fr}.hero-grid{min-height:auto;padding:55px 0;gap:35px}.hero h1{font-size:clamp(40px,9vw,58px)}.hero-copy>p{font-size:16px}.quote-card{max-width:620px}.section{padding:75px 0}.media-frame,.proof-media{min-height:340px}.media-frame img,.proof-media img{min-height:340px}.section-heading.split{grid-template-columns:1fr;gap:14px}.feature-grid{grid-template-columns:1fr}.industry-collage{max-width:650px}.gallery-grid{grid-template-columns:repeat(2,1fr)}.gallery-grid figure:last-child{grid-column:span 2}.contact-cta-inner{flex-direction:column;align-items:flex-start}.footer-grid{grid-template-columns:1fr 1fr;gap:35px}.footer-grid>div:first-child{grid-column:1/-1}.post-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.container{width:calc(100% - 28px)}.brand img{max-width:155px;height:52px}.hero-actions,.contact-actions{flex-direction:column;align-items:stretch}.hero-actions .btn,.contact-actions .btn{width:100%}.hero-trust{display:grid;gap:8px}.form-row{grid-template-columns:1fr}.quote-card{padding:22px}.check-grid{grid-template-columns:1fr}.service-grid{grid-template-columns:1fr}.industry-collage{grid-template-columns:1fr 1fr;grid-template-rows:180px 180px}.gallery-grid{grid-template-columns:1fr}.gallery-grid figure,.gallery-grid figure:last-child{grid-column:auto;min-height:260px}.gallery-grid figure img,.gallery-grid figure .arc-image-placeholder{min-height:260px}.stat-row{gap:22px}.stat-row strong{font-size:28px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{flex-direction:column;gap:5px}.whatsapp-float{right:14px;bottom:14px}.page-wrap{padding:60px 0}.post-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* v3 production polish */
:focus-visible{outline:3px solid var(--arc-accent);outline-offset:3px}.btn-outline{background:transparent;color:var(--arc-primary);border-color:var(--arc-primary);box-shadow:none}.btn-outline:hover{background:var(--arc-primary);color:#fff}.archive-description{max-width:760px;color:var(--arc-muted);margin-top:12px}.search-form{display:flex;gap:10px;max-width:700px;margin-top:28px}.search-form label{flex:1}.search-field{width:100%;border:1px solid var(--arc-border);border-radius:8px;padding:13px 15px;background:#fff;color:var(--arc-ink)}.search-field:focus{border-color:var(--arc-primary);outline:0;box-shadow:0 0 0 3px rgba(18,77,163,.1)}.navigation.pagination{margin-top:40px}.navigation.pagination .nav-links{display:flex;gap:8px;flex-wrap:wrap}.navigation.pagination a,.navigation.pagination span{display:inline-flex;padding:9px 13px;border:1px solid var(--arc-border);border-radius:7px;font-size:13px}.navigation.pagination .current{background:var(--arc-primary);border-color:var(--arc-primary);color:#fff}.content-rich{font-size:16px;color:var(--arc-muted);margin-bottom:30px}.content-rich h2,.content-rich h3{color:var(--arc-ink)}.content-rich img{border-radius:12px}.not-found{text-align:center}.not-found>p{max-width:650px;margin:0 auto 25px;color:var(--arc-muted)}.not-found .hero-actions{justify-content:center}.footer-social{display:flex;gap:8px;margin-top:18px}.footer-social a{width:34px;height:34px;border:1px solid rgba(255,255,255,.16);border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:900}.footer-social a:hover{background:#fff;color:var(--arc-primary-dark)}.footer-brand .custom-logo{width:auto;max-width:175px;height:auto;max-height:63px;margin-bottom:15px}.footer-brand img{margin-bottom:15px}.service-media img{aspect-ratio:3/2}.gallery-grid figure img{aspect-ratio:9/7}.main-nav a:focus-visible,.header-cta:focus-visible,.whatsapp-float:focus-visible{outline-offset:5px}@media(max-width:520px){.search-form{flex-direction:column}.search-form .btn{width:100%}}