/* ============================================================
   BlueMAS — شركة المعمار للمقاولات (Contracting)
   Direction: industrial-modern. Charcoal steel + construction amber.
   Display AR: Tajawal 900 | Display EN: Archivo | Body: IBM Plex / Inter
   ============================================================ */

:root{
  --ink:#15171c;           /* charcoal */
  --ink-2:#1d2027;
  --panel:#23272f;
  --steel:#3a4150;
  --line:rgba(255,255,255,.09);
  --amber:#ffb020;         /* construction amber */
  --amber-deep:#e8930a;
  --concrete:#c9cdd4;      /* light text */
  --concrete-dim:#8b919c;
  --white:#f4f5f7;
  --r:4px;                 /* sharp, structural */
  --maxw:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--ink);
  color:var(--concrete);
  font-family:'IBM Plex Sans Arabic',system-ui,sans-serif;
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body[dir="ltr"]{font-family:'Inter',system-ui,sans-serif}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--amber);color:var(--ink)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
section{position:relative}

/* eyebrow / structural label */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'Archivo',sans-serif;font-weight:700;
  font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--amber);
}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--amber)}

h1,h2,h3{color:var(--white);font-weight:900;line-height:1.12}
body[lang="ar"] h1,body[lang="ar"] h2,body[lang="ar"] h3{font-family:'Tajawal',sans-serif}
body[lang="en"] h1,body[lang="en"] h2,body[lang="en"] h3{font-family:'Archivo',sans-serif;letter-spacing:-.01em}

/* ===== Header ===== */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:100;
  padding:16px 0;
  transition:background .4s var(--ease),padding .4s var(--ease),border-color .4s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(21,23,28,.82);backdrop-filter:blur(14px);
  border-bottom-color:var(--line);padding:10px 0;
}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;color:var(--white);font-size:1.15rem;letter-spacing:-.01em}
body[lang="ar"] .brand{font-family:'Tajawal',sans-serif}
.brand .mark{
  width:38px;height:38px;flex:none;display:grid;place-items:center;
  background:var(--amber);color:var(--ink);border-radius:var(--r);
  font-family:'Archivo';font-weight:900;font-size:1.1rem;
  transform:skewX(-6deg);
}
.brand .mark span{transform:skewX(6deg)}
.menu{display:flex;align-items:center;gap:6px}
.menu a{
  padding:9px 16px;font-size:.92rem;font-weight:500;color:var(--concrete);
  border-radius:var(--r);transition:.25s var(--ease);position:relative;
}
.menu a:hover{color:var(--white);background:rgba(255,255,255,.05)}
.menu a.active{color:var(--amber)}
.nav-actions{display:flex;align-items:center;gap:10px}
.lang-btn{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 14px;border:1px solid var(--line);border-radius:var(--r);
  font-family:'Archivo';font-weight:700;font-size:.8rem;letter-spacing:.04em;
  color:var(--white);background:transparent;cursor:pointer;transition:.25s var(--ease);
}
.lang-btn:hover{border-color:var(--amber);color:var(--amber)}
.nav-cta{
  padding:10px 20px;background:var(--amber);color:var(--ink);
  font-weight:800;border-radius:var(--r);font-size:.9rem;
  transition:.25s var(--ease);
}
body[lang="ar"] .nav-cta{font-family:'Tajawal'}
.nav-cta:hover{background:var(--white);transform:translateY(-2px)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--white);transition:.3s}

/* ===== Hero ===== */
.hero{
  min-height:100vh;display:flex;align-items:center;
  padding:140px 0 80px;
  background:
    radial-gradient(900px 500px at 80% -10%,rgba(255,176,32,.10),transparent 60%),
    linear-gradient(180deg,var(--ink) 0%,var(--ink-2) 100%);
  overflow:hidden;
}
/* blueprint grid */
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 70% 30%,#000,transparent 70%);
          mask-image:radial-gradient(circle at 70% 30%,#000,transparent 70%);
}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.hero-copy{max-width:620px}
.hero h1{font-size:clamp(2.6rem,6vw,4.6rem);margin:22px 0;font-weight:900}
.hero h1 .amber{color:var(--amber)}
.hero p.lead{font-size:1.15rem;color:var(--concrete-dim);max-width:520px;margin-bottom:34px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 28px;border-radius:var(--r);font-weight:800;font-size:.98rem;
  cursor:pointer;transition:.3s var(--ease);border:1px solid transparent;
}
body[lang="ar"] .btn{font-family:'Tajawal'}
.btn-primary{background:var(--amber);color:var(--ink)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 40px -12px rgba(255,176,32,.5)}
.btn-ghost{border-color:var(--steel);color:var(--white)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}

/* hero stat strip */
.hero-stats{display:flex;gap:38px;margin-top:46px;padding-top:30px;border-top:1px solid var(--line)}
.hero-stats .st b{display:block;font-family:'Archivo';font-weight:900;font-size:2.1rem;color:var(--white);line-height:1}
.hero-stats .st small{color:var(--concrete-dim);font-size:.85rem}

/* hero visual: stacked beams card */
.hero-visual{position:relative;height:480px}
.beam-card{
  position:absolute;border-radius:var(--r);overflow:hidden;
  border:1px solid var(--line);background:var(--panel);
  box-shadow:0 30px 80px -30px rgba(0,0,0,.8);
}
.beam-card.c1{inset:0 0 90px 60px;background:
  repeating-linear-gradient(135deg,#2a2e37 0 22px,#262a32 22px 44px);}
.beam-card.c1::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,transparent 40%,rgba(255,176,32,.14));
}
.beam-card.c2{
  width:220px;height:150px;bottom:30px;
  inset-inline-start:0;background:var(--ink-2);
  display:flex;flex-direction:column;justify-content:center;padding:22px;gap:6px;
  border-color:var(--steel);
}
.beam-card.c2 .k{font-family:'Archivo';font-weight:900;font-size:2.4rem;color:var(--amber);line-height:1}
.beam-card.c2 .l{font-size:.85rem;color:var(--concrete-dim)}
.beam-card.c3{
  width:160px;top:24px;inset-inline-end:0;padding:16px 18px;background:var(--amber);
  border:0;display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:800;
}
body[lang="ar"] .beam-card.c3{font-family:'Tajawal'}
.beam-card.c3 svg{flex:none}

/* ===== generic section heading ===== */
.sec-head{max-width:720px;margin-bottom:54px}
.sec-head h2{font-size:clamp(2rem,4vw,3rem);margin:16px 0 14px}
.sec-head p{color:var(--concrete-dim);font-size:1.05rem}
.sec-pad{padding:110px 0}

/* ===== About ===== */
.about{background:var(--ink-2)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-list{display:grid;gap:18px;margin-top:30px}
.about-list .it{display:flex;gap:16px;align-items:flex-start}
.about-list .ic{
  width:46px;height:46px;flex:none;border-radius:var(--r);
  background:rgba(255,176,32,.12);border:1px solid rgba(255,176,32,.3);
  display:grid;place-items:center;color:var(--amber);
}
.about-list h4{color:var(--white);font-weight:700;margin-bottom:3px}
body[lang="ar"] .about-list h4{font-family:'Tajawal'}
.about-list p{font-size:.94rem;color:var(--concrete-dim);line-height:1.6}
.about-visual{
  aspect-ratio:4/5;border-radius:var(--r);position:relative;overflow:hidden;
  border:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(255,176,32,.06),transparent),
    repeating-linear-gradient(90deg,#22262e 0 40px,#1f232a 40px 80px);
}
.about-visual::before{
  content:"";position:absolute;inset:auto 0 0 0;height:55%;
  background:linear-gradient(0deg,rgba(255,176,32,.16),transparent);
  -webkit-mask-image:repeating-linear-gradient(0deg,#000 0 3px,transparent 3px 14px);
          mask-image:repeating-linear-gradient(0deg,#000 0 3px,transparent 3px 14px);
}
.about-visual .tag{
  position:absolute;inset-block-end:24px;inset-inline-start:24px;
  background:var(--ink);border:1px solid var(--steel);border-radius:var(--r);
  padding:14px 20px;
}
.about-visual .tag b{display:block;color:var(--amber);font-family:'Archivo';font-weight:900;font-size:1.4rem}
.about-visual .tag small{color:var(--concrete-dim)}

/* ===== Services / process ===== */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc{
  padding:34px 28px;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r);transition:.35s var(--ease);position:relative;overflow:hidden;
}
.svc::before{content:"";position:absolute;inset-block-start:0;inset-inline-start:0;width:100%;height:3px;background:var(--amber);transform:scaleX(0);transform-origin:inline-start;transition:.4s var(--ease)}
.svc:hover{transform:translateY(-6px);border-color:var(--steel);background:var(--ink-2)}
.svc:hover::before{transform:scaleX(1)}
.svc .num{font-family:'Archivo';font-weight:900;font-size:.85rem;color:var(--amber);letter-spacing:.1em}
.svc .ic{width:54px;height:54px;margin:18px 0;color:var(--amber);display:grid;place-items:center;background:rgba(255,176,32,.1);border-radius:var(--r)}
.svc h3{font-size:1.3rem;margin-bottom:10px}
.svc p{font-size:.95rem;color:var(--concrete-dim)}

/* ===== Clients ===== */
.clients{background:var(--ink-2)}
.logo-row{
  display:grid;grid-template-columns:repeat(5,1fr);gap:0;
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  margin-bottom:60px;
}
.logo-row .lg{
  display:grid;place-items:center;padding:34px 18px;
  border-inline-end:1px solid var(--line);
  font-family:'Archivo';font-weight:800;color:var(--concrete-dim);font-size:1.05rem;
  letter-spacing:.04em;transition:.3s;
}
.logo-row .lg:last-child{border:0}
.logo-row .lg:hover{color:var(--amber);background:rgba(255,176,32,.05)}
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.proj{
  border-radius:var(--r);overflow:hidden;border:1px solid var(--line);
  position:relative;aspect-ratio:1/1;cursor:pointer;
  background:var(--panel);
}
.proj .ph{
  position:absolute;inset:0;
  background:repeating-linear-gradient(45deg,#262a32 0 26px,#22262e 26px 52px);
}
.proj.p1 .ph{background:repeating-linear-gradient(45deg,#2a2e37 0 26px,#252932 26px 52px)}
.proj.p2 .ph{background:repeating-linear-gradient(-45deg,#2c3039 0 24px,#262a33 24px 48px)}
.proj.p3 .ph{background:repeating-linear-gradient(90deg,#2a2e37 0 30px,#23272f 30px 60px)}
.proj .ph::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(21,23,28,.92))}
.proj .meta{position:absolute;inset-block-end:0;inset-inline:0;padding:24px;z-index:2;transform:translateY(8px);transition:.4s var(--ease)}
.proj:hover .meta{transform:translateY(0)}
.proj .meta span{color:var(--amber);font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;font-family:'Archivo'}
.proj .meta h4{color:var(--white);font-size:1.25rem;margin-top:6px}
body[lang="ar"] .proj .meta h4{font-family:'Tajawal'}
.proj::after{content:"";position:absolute;inset:0;border:2px solid var(--amber);opacity:0;border-radius:var(--r);transition:.3s}
.proj:hover::after{opacity:1}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.contact-info .ci{display:flex;gap:16px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
.contact-info .ci:first-child{padding-top:0}
.contact-info .ic{width:48px;height:48px;flex:none;border-radius:var(--r);background:var(--panel);border:1px solid var(--line);display:grid;place-items:center;color:var(--amber)}
.contact-info .ci b{display:block;color:var(--white);font-weight:700}
body[lang="ar"] .contact-info .ci b{font-family:'Tajawal'}
.contact-info .ci span{color:var(--concrete-dim);font-size:.92rem}
.form{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:34px}
.form .field{margin-bottom:18px}
.form label{display:block;font-size:.85rem;color:var(--concrete);margin-bottom:8px;font-weight:600}
.form input,.form textarea{
  width:100%;padding:13px 16px;background:var(--ink);border:1px solid var(--line);
  border-radius:var(--r);color:var(--white);font-family:inherit;font-size:.95rem;transition:.25s;
}
.form input:focus,.form textarea:focus{outline:0;border-color:var(--amber);box-shadow:0 0 0 3px rgba(255,176,32,.15)}
.form textarea{resize:vertical;min-height:110px}
.form .btn-primary{width:100%;justify-content:center}

/* ===== Footer ===== */
footer{background:var(--ink-2);border-top:1px solid var(--line);padding:60px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;margin-bottom:44px}
.foot-grid p{color:var(--concrete-dim);font-size:.92rem;max-width:320px;margin-top:14px}
.foot-col h5{color:var(--white);font-weight:700;margin-bottom:16px;font-size:.95rem}
body[lang="ar"] .foot-col h5{font-family:'Tajawal'}
.foot-col a{display:block;color:var(--concrete-dim);padding:6px 0;font-size:.9rem;transition:.2s}
.foot-col a:hover{color:var(--amber)}
.foot-bottom{padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;align-items:center;font-size:.85rem;color:var(--concrete-dim)}
.foot-bottom a{color:var(--amber);font-weight:600}

/* ===== WhatsApp float ===== */
.wa-float{
  position:fixed;inset-block-end:26px;inset-inline-end:26px;z-index:90;
  width:60px;height:60px;border-radius:50%;background:#25D366;
  display:grid;place-items:center;color:#fff;
  box-shadow:0 12px 32px -8px rgba(37,211,102,.6);
  transition:.3s var(--ease);animation:wa-pulse 2.6s infinite;
}
.wa-float:hover{transform:scale(1.08) translateY(-2px)}
@keyframes wa-pulse{0%{box-shadow:0 12px 32px -8px rgba(37,211,102,.6),0 0 0 0 rgba(37,211,102,.5)}70%{box-shadow:0 12px 32px -8px rgba(37,211,102,.6),0 0 0 16px rgba(37,211,102,0)}100%{box-shadow:0 12px 32px -8px rgba(37,211,102,.6),0 0 0 0 rgba(37,211,102,0)}}

/* ===== Reveal animation ===== */
[data-reveal]{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal][data-d="1"]{transition-delay:.08s}
[data-reveal][data-d="2"]{transition-delay:.16s}
[data-reveal][data-d="3"]{transition-delay:.24s}
[data-reveal][data-d="4"]{transition-delay:.32s}

/* ===== Responsive ===== */
@media(max-width:980px){
  .hero .wrap{grid-template-columns:1fr;gap:40px}
  .hero-visual{height:360px;max-width:480px}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .svc-grid,.proj-grid{grid-template-columns:1fr 1fr}
  .logo-row{grid-template-columns:repeat(3,1fr)}
  .logo-row .lg:nth-child(3){border-inline-end:0}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .wrap{padding:0 18px}
  .menu,.nav-cta{display:none}
  .burger{display:flex}
  .menu.open{display:flex;position:absolute;inset-block-start:100%;inset-inline:0;flex-direction:column;background:var(--ink-2);border-top:1px solid var(--line);padding:14px}
  .menu.open a{width:100%;padding:13px 16px}
  .sec-pad{padding:72px 0}
  .svc-grid,.proj-grid,.foot-grid,.logo-row{grid-template-columns:1fr}
  .logo-row .lg{border-inline-end:0;border-bottom:1px solid var(--line)}
  .hero-stats{flex-wrap:wrap;gap:24px}
  .beam-card.c2,.beam-card.c3{display:none}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  [data-reveal]{opacity:1;transform:none}
}