/* Arc Energy — site styles. Brand: navy #0B293E, orange #F39221, off-white #F5F3EF, Noto Kufi Arabic + Montserrat */
:root{
  --navy:#0B293E; --orange:#F39221; --off:#F5F3EF; --white:#FFFFFF;
  --ink2:#3D5163; --muted-on-navy:#C9D4DE; --soft-on-navy:#D5DEE6;
  --line:#E2DDD3; --line2:#ECE8E0; --orange-text:#B4630F;
  --radius:16px; --max:1240px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--off);color:var(--navy);font-family:'Noto Kufi Arabic',system-ui,sans-serif;font-size:16px;line-height:1.9}
img{max-width:100%;display:block}
a{color:var(--navy)}
a:hover{color:var(--orange-text)}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px;border-radius:6px}
h1,h2,h3{font-family:'Noto Kufi Arabic',sans-serif;margin:0;line-height:1.55}
h1{font-weight:900}
h2{font-weight:800;font-size:clamp(26px,3vw,36px)}
h3{font-weight:700;font-size:20px}
p{margin:0}
.lat{font-family:'Montserrat',sans-serif;letter-spacing:.06em}
.ltr{direction:ltr;unicode-bidi:isolate}
.container{max-width:var(--max);margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding-top:clamp(64px,8vw,104px);padding-bottom:clamp(64px,8vw,104px)}
@media (max-width:560px){.container{padding-left:20px;padding-right:20px}}
.eyebrow{color:var(--orange-text);font-weight:700;font-size:15px;margin-bottom:8px}
.on-navy .eyebrow{color:var(--orange)}
.lead{color:var(--ink2);margin-top:12px;max-width:620px}
.muted{color:var(--ink2)}
.skip{position:absolute;top:-60px;right:16px;background:var(--navy);color:#fff;padding:10px 16px;border-radius:8px;z-index:50}
.skip:focus{top:12px}
.ph{background:#FCEBD6;color:#7A4A0B;border:1px dashed #C9741A;border-radius:4px;padding:0 6px}
.hidden{display:none !important}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:13px 24px;border-radius:10px;font-weight:700;font-size:16px;text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:inherit;line-height:1.4}
.btn svg{flex:none}
.btn-primary{background:var(--orange);color:var(--navy)}
.btn-primary:hover{background:#E5841A;color:var(--navy)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:#13405F;color:#fff}
.btn-light{border-color:#fff;color:#fff;background:transparent}
.btn-light:hover{background:rgba(255,255,255,.1);color:#fff}
.btn-outline{border-color:var(--navy);color:var(--navy);background:transparent}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* Header */
.site-header{background:var(--off);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:12px;padding-bottom:12px}
.brand img{height:54px;width:auto}
.nav{display:flex;align-items:center;gap:30px;font-weight:600;font-size:16px}
.nav a{text-decoration:none;color:var(--navy);padding:8px 0;border-bottom:2px solid transparent}
.nav a[aria-current="page"]{border-bottom-color:var(--orange)}
.header-actions{display:flex;align-items:center;gap:10px}
.header-actions .btn{min-height:44px;padding:10px 18px;font-size:15px}
.mnav{display:none;position:relative}
.mnav summary{list-style:none;cursor:pointer;width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--line);background:#fff}
.mnav summary::-webkit-details-marker{display:none}
.mnav nav{position:absolute;left:0;top:52px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px;min-width:220px;display:flex;flex-direction:column;box-shadow:0 12px 30px rgba(11,41,62,.12)}
.mnav nav a{padding:12px 14px;text-decoration:none;font-weight:600;border-radius:8px}
.mnav nav a:hover{background:var(--off)}
@media (max-width:900px){.nav{display:none}.mnav{display:block}}
@media (max-width:520px){.brand img{height:42px}.header-actions .btn{padding:10px 14px;font-size:14px}}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--navy);color:#fff}
.hero picture,.hero .hero-img{position:absolute;inset:0;width:100%;height:100%}
.hero .hero-img{object-fit:cover;object-position:center 60%}
.hero::after{content:"";position:absolute;inset:0;background:rgba(11,41,62,.74)}
.hero .arc{position:absolute;left:-90px;bottom:-70px;width:520px;z-index:1}
.hero .container{position:relative;z-index:2;padding-top:clamp(64px,9vw,128px);padding-bottom:clamp(110px,11vw,150px)}
.hero-inner{max-width:760px}
.hero .kicker{color:var(--orange);font-weight:700;font-size:15px;margin-bottom:18px}
.hero h1{font-size:clamp(30px,4.2vw,56px)}
.hero .sub{margin-top:22px;font-size:clamp(17px,1.6vw,20px);color:#E4EAF0;max-width:620px}
.hero .motto{margin-top:10px;font-weight:700;font-size:18px;color:var(--orange)}
.hero .note{margin-top:18px;font-size:15px;color:var(--muted-on-navy)}
@media (max-width:560px){.hero .btn-row .btn{width:100%}.hero .arc{width:360px;left:-120px}}

/* Page hero (inner pages) */
.page-hero{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.page-hero .container{position:relative;z-index:1;padding-top:clamp(48px,6vw,80px);padding-bottom:clamp(48px,6vw,80px)}
.page-hero h1{font-size:clamp(28px,3.6vw,46px)}
.page-hero p{color:var(--soft-on-navy);margin-top:12px;max-width:640px}
.page-hero .arc{position:absolute;left:-80px;bottom:-90px;width:440px}

/* Credentials strip */
.creds{position:relative;z-index:3;margin-top:-58px}
.creds-grid{background:#fff;border:1px solid var(--line);border-radius:var(--radius);display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.cred{padding:22px 26px;display:flex;gap:14px;align-items:flex-start}
.cred + .cred{border-inline-start:1px solid var(--line2)}
.cred svg{flex:none;margin-top:4px}
.cred strong{display:block}
.cred span{font-size:15px;color:var(--ink2)}
@media (max-width:820px){.cred + .cred{border-inline-start:0;border-top:1px solid var(--line2)}}

/* Cards & grids */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid-5{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.icon-tile{width:48px;height:48px;border-radius:12px;background:var(--navy);color:var(--orange);display:flex;align-items:center;justify-content:center}
.card h3{margin:18px 0 8px}
.card p{color:var(--ink2)}
.sol{text-decoration:none;color:var(--navy);background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:10px;min-height:250px;transition:border-color .15s}
.sol:hover{border-color:var(--orange);color:var(--navy)}
.sol .t{font-weight:700;font-size:19px}
.sol .d{color:var(--ink2);font-size:15.5px;flex-grow:1}
.sol .go{font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:6px}
.sol.dark{background:var(--navy);border-color:var(--navy);color:#fff}
.sol.dark .d{color:var(--soft-on-navy)}
.sol.dark .go{color:var(--orange)}
.sec-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:12px 24px;margin-bottom:32px}

/* Process */
.process{position:relative;overflow:hidden;background:var(--navy);color:#fff}
.process .arc{position:absolute;right:-120px;top:-40px;width:560px}
.process .container{position:relative}
.process h2{margin-bottom:40px}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:0 40px}
.steps li{padding:22px 0;border-top:1px solid rgba(255,255,255,.16);display:flex;gap:18px}
.steps .n{color:var(--orange);font-weight:700;font-size:22px;line-height:1.4}
.steps .st{font-weight:700;font-size:18px}
.steps .sd{color:var(--muted-on-navy);font-size:15.5px}

/* Split layouts */
.split{display:flex;flex-wrap:wrap;gap:48px;align-items:center}
.split > *{flex:1 1 420px;min-width:0}
.doc{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.doc-head{background:var(--navy);color:#fff;padding:18px 26px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;font-weight:700}
.doc-head .lat{font-size:12px;color:var(--orange)}
.checks{list-style:none;margin:0;padding:10px 26px 18px}
.checks li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line2)}
.checks li:last-child{border-bottom:0}
.checks svg{flex:none;margin-top:5px}
.checks strong{display:block}
.checks span{color:var(--ink2);font-size:15px}
.doc-foot{background:var(--off);padding:14px 26px;font-size:14.5px;color:var(--ink2)}

/* Project */
.band-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.photos{display:grid;grid-template-columns:2fr 1fr;gap:14px}
.photos img{width:100%;height:380px;object-fit:cover;border-radius:var(--radius)}
@media (max-width:560px){.photos img{height:240px}}
.specs{margin:24px 0 0;display:grid;grid-template-columns:auto 1fr;gap:10px 20px}
.specs dt{color:var(--ink2)}
.specs dd{margin:0;font-weight:700}

/* Shop strip & CTA */
.strip{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:24px 28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.strip .l{display:flex;align-items:center;gap:16px}
.strip strong{display:block;font-size:18px}
.cta-box{position:relative;overflow:hidden;background:var(--navy);color:#fff;border-radius:22px;padding:clamp(32px,5vw,64px)}
.cta-box .arc{position:absolute;left:-60px;bottom:-80px;width:420px}
.cta-box > div{position:relative;max-width:640px}
.cta-box p{color:var(--soft-on-navy);margin-top:14px}
.cta-box .phone{color:#fff;font-weight:700;padding:14px 8px;text-decoration:none}

/* Solutions page */
.seg{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:32px;padding:40px 0;border-top:1px solid var(--line)}
.seg:first-of-type{border-top:0}
.seg h2{font-size:clamp(24px,2.6vw,30px);display:flex;align-items:center;gap:14px}
.seg .send{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.seg .send h3{font-size:17px;margin-bottom:8px}
.seg .send ul{margin:0;padding-inline-start:20px;color:var(--ink2)}

/* About page */
.person{display:flex;gap:20px;align-items:flex-start}
.badge{display:inline-block;background:var(--off);border:1px solid var(--line);border-radius:999px;padding:4px 14px;font-size:14px;font-weight:600;margin-top:10px}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-top:20px}
.fact{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
.fact .num{font-family:'Montserrat',sans-serif;font-weight:700;font-size:30px;color:var(--navy);line-height:1.3}
.fact .lbl{color:var(--ink2);font-size:15px}

/* Form */
.form-wrap{display:flex;flex-wrap:wrap;gap:40px;align-items:flex-start}
.form-card{flex:1 1 560px;min-width:0;background:#fff;border:1px solid var(--line);border-radius:18px;padding:clamp(22px,3vw,36px)}
.form-side{flex:1 1 300px;min-width:0}
fieldset{border:0;margin:0 0 22px;padding:0}
legend,.field label{font-weight:700;margin-bottom:8px;display:block;padding:0}
.req{color:var(--orange-text)}
.opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.opt{position:relative}
.opt input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}
.opt span{display:flex;align-items:center;justify-content:center;text-align:center;min-height:56px;padding:10px 12px;border:2px solid var(--line);border-radius:12px;font-weight:600;font-size:15px;background:#fff}
.opt input:checked + span{border-color:var(--orange);background:#FFF4E6}
.opt input:focus-visible + span{outline:3px solid var(--orange);outline-offset:2px}
.field{margin-bottom:20px}
.field input[type=text],.field input[type=tel],.field textarea{width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1.5px solid #CFC8BB;border-radius:10px;background:#fff;color:var(--navy);min-height:50px}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field textarea:focus{border-color:var(--navy);outline:3px solid rgba(243,146,33,.45);outline-offset:0}
.field .hint{font-size:14px;color:var(--ink2);margin-top:6px}
.file{display:flex;align-items:center;flex-wrap:wrap;gap:12px}
.file-input{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}
.field .file-btn{min-height:46px;padding:10px 18px;font-size:15px;margin:0;display:inline-flex;font-weight:700}
.file-btn svg{transform:rotate(180deg)}
.file-input:focus-visible + .file-btn{outline:3px solid var(--orange);outline-offset:2px}
.file-name{font-size:14px;color:var(--ink2);overflow-wrap:anywhere}
.err{color:#9B2C12;font-size:14px;margin-top:6px}
.privacy{font-size:14px;color:var(--ink2);margin-top:14px}

/* Footer */
.site-footer{background:var(--navy);color:var(--soft-on-navy);font-size:15.5px}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:36px;padding-top:56px;padding-bottom:28px}
.site-footer .h{color:#fff;font-weight:700;margin-bottom:10px}
.site-footer a{color:var(--soft-on-navy)}
.site-footer a:hover{color:var(--orange)}
.site-footer .links{display:flex;flex-direction:column;gap:4px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:18px;padding-bottom:28px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:14px;color:#AEBCC8}

/* Floating WhatsApp */
.wa-float{position:fixed;left:20px;bottom:20px;z-index:40;text-decoration:none;background:var(--navy);color:#fff;border:2px solid var(--orange);border-radius:999px;padding:11px 18px;display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;min-height:48px;box-shadow:0 8px 24px rgba(11,41,62,.25)}
.wa-float:hover{color:#fff;background:#13405F}
@media print{.site-header,.wa-float,.site-footer{display:none}}

/* Language switch */
.lang{text-decoration:none;font-weight:700;font-size:14px;padding:10px 6px;min-height:44px;display:inline-flex;align-items:center;color:var(--navy)}
html[lang="en"] .lang{font-family:'Noto Kufi Arabic',sans-serif;letter-spacing:0;font-size:15px}

/* English (LTR) */
html[lang="en"] body{font-family:'Noto Sans',system-ui,sans-serif;line-height:1.7}
html[lang="en"] h1,html[lang="en"] h2,html[lang="en"] h3,
html[lang="en"] .sol .t,html[lang="en"] .steps .st,html[lang="en"] .strip strong{font-family:'Montserrat',sans-serif;line-height:1.3;letter-spacing:-.01em}
html[lang="en"] h1{font-weight:800}
html[lang="en"] .hero .motto{font-family:'Montserrat',sans-serif}
html[lang="en"] .skip{right:auto;left:16px}
html[lang="en"] .mnav nav{left:auto;right:0}
html[lang="en"] .wa-float{left:auto;right:20px}
html[lang="en"] .hero .arc{left:auto;right:-90px}
html[lang="en"] .page-hero .arc,html[lang="en"] .cta-box .arc{left:auto;right:-80px}
html[lang="en"] .process .arc{right:auto;left:-120px}
@media (max-width:560px){html[lang="en"] .hero .arc{right:-120px}}