:root{
  --primary-dark:#0C447C;
  --primary:#378ADD;
  --primary-light:#B5D4F4;
  --accent:#7FD6E8;
  --warm:#D85A30;
  --bg:#F7FAFD;
  --card-bg:#FFFFFF;
  --text:#1c2733;
  --muted:#5b6b7a;
  --border:#e4eaf1;
  --radius:16px;
  --shadow:0 10px 30px rgba(12,68,124,.08);
  --shadow-lg:0 20px 50px rgba(12,68,124,.14);
  --font-ar:'Cairo', sans-serif;
  --font-en:'Inter', sans-serif;
}

html[dir="rtl"]{--font-main:var(--font-ar)}
html[dir="ltr"]{--font-main:var(--font-en)}

*{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth}

body{
  font-family:var(--font-main, var(--font-ar));
  background:var(--bg);
  color:var(--text);
  line-height:1.8;
  font-size:16px;
  overflow-x:hidden;
}

a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}
button{font-family:inherit}
.container{max-width:1180px;margin:0 auto;padding:0 24px}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:.25s;
}
.site-header.scrolled{
  border-bottom-color:var(--border);
  box-shadow:0 4px 20px rgba(12,68,124,.06);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:26px;color:var(--primary-dark);letter-spacing:.3px}
.brand span{color:var(--primary)}
.brand-logo{height:42px;width:auto;object-fit:contain}

.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{
  font-weight:600;font-size:15px;color:var(--text);position:relative;padding:6px 0;transition:.2s;
}
.nav-links a:not(.lang-switch):not(.nav-cta)::after{
  content:'';position:absolute;bottom:0;insetInlineStart:0;width:0;height:2px;background:var(--primary);transition:.25s;
}
.nav-links a:not(.lang-switch):not(.nav-cta):hover::after{width:100%}
.nav-links a:not(.lang-switch):not(.nav-cta):hover{color:var(--primary)}

.nav-cta{
  background:var(--primary);color:#fff !important;padding:10px 22px;border-radius:24px;font-weight:700;
}
.nav-cta:hover{background:var(--primary-dark)}

.lang-switch{
  border:1.5px solid var(--primary-dark);color:var(--primary-dark);padding:8px 18px;border-radius:20px;
  font-size:14px;font-weight:700;transition:.2s;
}
.lang-switch:hover{background:var(--primary-dark);color:#fff}

.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;width:34px;height:26px;
  flex-direction:column;justify-content:space-between;padding:0;
}
.nav-toggle span{display:block;height:3px;width:100%;background:var(--primary-dark);border-radius:3px;transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(11px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-11px) rotate(-45deg)}

/* ============ Hero ============ */
.hero{
  position:relative;
  background:linear-gradient(150deg,var(--primary-dark) 0%,var(--primary) 60%,var(--accent) 130%);
  color:#fff;padding:120px 0 140px;text-align:center;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background-image:radial-gradient(circle at 20% 20%, rgba(255,255,255,.12) 0, transparent 45%),
                    radial-gradient(circle at 85% 75%, rgba(255,255,255,.10) 0, transparent 50%);
}
.hero-inner{position:relative;z-index:1}
.hero h1{font-size:clamp(30px,5vw,50px);font-weight:800;margin-bottom:18px;max-width:800px;margin-inline:auto;line-height:1.3}
.hero p{font-size:clamp(15px,2vw,19px);opacity:.92;max-width:620px;margin:0 auto 32px}
.hero .btn{background:#fff;color:var(--primary-dark)}
.hero .btn:hover{background:var(--accent);color:var(--primary-dark)}

.hero-wave{
  position:absolute;bottom:-2px;insetInlineStart:0;width:100%;line-height:0;
}

/* ============ Sections ============ */
.section{padding:90px 0}
.section-alt{background:#fff}
.section-title{
  font-size:clamp(24px,3.4vw,36px);font-weight:800;text-align:center;margin-bottom:14px;color:var(--primary-dark);
}
.section-eyebrow{
  display:block;text-align:center;color:var(--primary);font-weight:700;font-size:13px;
  letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;
}
.section-sub{text-align:center;color:var(--muted);max-width:560px;margin:0 auto 50px;font-size:16px}

/* ============ About ============ */
.about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-wrap img{border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.about-text{font-size:17px;color:var(--muted)}
.about-text p{white-space:pre-wrap}

/* ============ Grid cards ============ */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:28px}
.card{
  background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);
  padding:34px 28px;text-align:center;transition:.25s;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.card-icon{
  width:60px;height:60px;border-radius:18px;background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:22px;
  margin:0 auto 20px;
}
.card h3{margin-bottom:10px;color:var(--primary-dark);font-size:19px;font-weight:700}
.card p{color:var(--muted);font-size:15px}

/* ============ Works / Gallery ============ */
.media-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:#fff;transition:.25s}
.media-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px)}
.media-card .media-img{height:210px;overflow:hidden}
.media-card img{height:100%;width:100%;object-fit:cover;transition:.4s}
.media-card:hover img{transform:scale(1.06)}
.media-card .media-body{padding:20px}
.media-card h3{color:var(--primary-dark);font-size:17px;margin-bottom:6px;font-weight:700}
.media-card p{color:var(--muted);font-size:14px}

.gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.gallery-grid .g-item{border-radius:var(--radius);overflow:hidden;height:200px}
.gallery-grid img{height:100%;width:100%;object-fit:cover;transition:.4s}
.gallery-grid .g-item:hover img{transform:scale(1.08)}

/* ============ Clients ============ */
.clients-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:30px;align-items:center;
}
.client-logo{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:20px;display:flex;align-items:center;justify-content:center;height:100px;transition:.25s;
}
.client-logo:hover{box-shadow:var(--shadow);border-color:var(--primary-light)}
.client-logo img{max-height:56px;object-fit:contain}

/* ============ Contact ============ */
.contact-wrap{display:grid;grid-template-columns:1.3fr 1fr;gap:40px}
.contact-form{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:38px;box-shadow:var(--shadow)}
.contact-info{
  background:linear-gradient(160deg,var(--primary-dark),var(--primary));
  color:#fff;border-radius:var(--radius);padding:38px;
}
.contact-info h3{margin-bottom:24px;font-size:20px}
.contact-info li{
  margin-bottom:18px;display:flex;gap:14px;align-items:flex-start;font-size:15px;opacity:.96;
}
.contact-info .ic{
  width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.15);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:17px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:20px}
.form-group label{display:block;margin-bottom:7px;font-weight:700;font-size:14px;color:var(--text)}
.form-group input,.form-group textarea{
  width:100%;padding:13px 16px;border:1.5px solid var(--border);border-radius:10px;
  font-family:inherit;font-size:15px;transition:.2s;background:#fbfcfe;
}
.form-group input:focus,.form-group textarea:focus{
  outline:none;border-color:var(--primary);background:#fff;
}
.form-group textarea{resize:vertical;min-height:130px}

.btn{
  background:var(--primary);color:#fff;border:none;padding:14px 34px;border-radius:26px;
  font-size:15px;font-weight:700;cursor:pointer;transition:.2s;display:inline-block;
}
.btn:hover{background:var(--primary-dark);transform:translateY(-2px)}
.alert{padding:14px 18px;border-radius:10px;margin-bottom:20px;font-size:14px;font-weight:600}
.alert-success{background:#e1f5ee;color:#085041}
.alert-error{background:#fcebeb;color:#791f1f}

.empty-note{text-align:center;color:var(--muted);grid-column:1/-1;padding:20px}

/* ============ Footer ============ */
.site-footer{background:var(--primary-dark);color:#fff;padding:64px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand{font-weight:800;font-size:22px;margin-bottom:14px}
.footer-brand span{color:var(--accent)}
.footer-logo{height:44px;width:auto;object-fit:contain;filter:brightness(0) invert(1)}
.footer-about{opacity:.82;font-size:14.5px;line-height:1.8;margin-bottom:20px;max-width:340px}
.footer-social{display:flex;gap:12px}
.footer-social a{
  width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;transition:.2s;font-size:13px;font-weight:700;
}
.footer-social a:hover{background:var(--accent);color:var(--primary-dark)}
.footer-col h4{font-size:16px;margin-bottom:18px;font-weight:700}
.footer-col a,.footer-col p{
  display:block;opacity:.82;font-size:14.5px;margin-bottom:12px;transition:.2s;
}
.footer-col a:hover{opacity:1;color:var(--accent)}
.footer-bottom{text-align:center;padding:22px 0;font-size:13px;opacity:.7}

@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr;gap:32px}
}

/* ============ Responsive ============ */
@media(max-width:900px){
  .about-wrap{grid-template-columns:1fr}
  .contact-wrap{grid-template-columns:1fr}
}

@media(max-width:768px){
  .nav-links{
    position:fixed;top:70px;insetInlineStart:0;background:#fff;flex-direction:column;
    align-items:stretch;width:100%;height:calc(100vh - 70px);padding:24px;display:none;
    gap:22px;overflow-y:auto;border-top:1px solid var(--border);
  }
  .nav-links.open{display:flex}
  .nav-links a{font-size:17px}
  .nav-cta,.lang-switch{text-align:center}
  .nav-toggle{display:flex}
  .hero{padding:90px 0 100px}
  .section{padding:60px 0}
  .form-row{grid-template-columns:1fr}
}

@media(max-width:480px){
  .container{padding:0 18px}
  .card,.contact-form,.contact-info{padding:24px 20px}
}