:root{
  --teal:#0F6B78;
  --turquoise:#5FC7CC;
  --amber:#E8A23A;
  --charcoal:#3A3D3E;
  --steel:#8B9598;
  --cloud:#F6F8F8;
  --white:#FFFFFF;
}
*{box-sizing:border-box}
html[lang=ar]{font-family:'Tajawal',Inter,sans-serif}
html[lang=en]{font-family:'Inter',sans-serif}
h1,h2,h3,h4{font-family:'Poppins',sans-serif;font-weight:600;margin:0 0 .6rem}
html[lang=ar] h1,html[lang=ar] h2,html[lang=ar] h3,html[lang=ar] h4{font-family:'Cairo',sans-serif;font-weight:700}
body{margin:0;color:var(--charcoal);background:var(--white);line-height:1.7}
.container{max-width:1180px;margin:0 auto;padding:0 1.25rem}
a{color:inherit}
img{max-width:100%;display:block}

/* Header */
.site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid #EAEDED;z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.85rem 1.25rem}
.site-logo{display:flex;align-items:center;gap:.5rem;text-decoration:none;font-weight:600;color:var(--teal);font-size:16px}
.site-nav{display:flex;gap:1.4rem;font-size:14px}
.site-nav a{text-decoration:none;color:var(--charcoal)}
.site-nav a:hover{color:var(--teal)}
.header-actions{display:flex;align-items:center;gap:.9rem}
.lang-toggle{font-size:13px;text-decoration:none;color:var(--steel);border:1px solid #D3D9D9;padding:.35rem .7rem;border-radius:20px}
.nav-burger{display:none;background:none;border:none;font-size:22px;cursor:pointer;color:var(--teal)}

/* Buttons */
.btn{display:inline-block;text-decoration:none;padding:.7rem 1.4rem;border-radius:8px;font-size:14px;font-weight:500;border:none;cursor:pointer}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:#0c5a65}
.btn-amber{background:var(--amber);color:#fff}
.btn-amber:hover{background:#d0912f}
.btn-outline{background:transparent;border:1.5px solid #fff;color:#fff}

/* Hero */
.hero{background:linear-gradient(135deg,var(--teal),#0a4a54);color:#fff;padding:5rem 0 4rem;text-align:center}
.hero h1{font-size:clamp(28px,4vw,44px);max-width:820px;margin:0 auto .9rem}
.hero p{max-width:640px;margin:0 auto 1.75rem;opacity:.92;font-size:16px}
.hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* Stats */
.stats-bar{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1.5rem;padding:3rem 0;text-align:center}
.stats-bar .num{font-size:34px;font-weight:700;color:var(--teal);font-family:'Poppins',sans-serif}
.stats-bar .lbl{font-size:14px;color:var(--steel)}

/* Section */
.section{padding:3.5rem 0}
.section-alt{background:var(--cloud)}
.section-head{text-align:center;max-width:640px;margin:0 auto 2.5rem}
.section-head p{color:var(--steel)}

/* Cards grids */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem}
@media(max-width:900px){.grid-3{grid-template-columns:repeat(2,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid-3{grid-template-columns:1fr}.grid-4{grid-template-columns:1fr}}

.service-card{background:#fff;border:1px solid #EAEDED;border-radius:12px;padding:1.5rem}
.service-card i{font-size:26px;color:var(--turquoise);margin-bottom:.6rem;display:block}
.service-card h3{font-size:17px}
.service-card p{font-size:14px;color:var(--steel);margin:0}

.project-card{background:#fff;border:1px solid #EAEDED;border-radius:12px;overflow:hidden;text-decoration:none;display:block;transition:transform .15s}
.project-card:hover{transform:translateY(-3px)}
.project-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.project-card .body{padding:1rem 1.1rem}
.project-card .tag{font-size:11px;color:var(--teal);background:#E1F5EE;padding:2px 8px;border-radius:12px;display:inline-block;margin-bottom:.5rem}
.project-card h3{font-size:16px;margin-bottom:.3rem}
.project-card .meta{font-size:13px;color:var(--steel)}

.team-card{text-align:center}
.team-card img{width:130px;height:130px;border-radius:50%;object-fit:cover;margin:0 auto .9rem;background:var(--cloud)}
.team-card h3{font-size:16px;margin-bottom:.2rem}
.team-card .role{font-size:13px;color:var(--amber);font-weight:500;margin-bottom:.6rem}
.team-card p{font-size:14px;color:var(--steel)}

.partner-row{display:flex;justify-content:center;align-items:center;gap:3rem;flex-wrap:wrap}
.partner-row img{max-height:56px;filter:grayscale(1);opacity:.75}

/* Filters */
.filter-bar{display:flex;gap:.6rem;flex-wrap:wrap;justify-content:center;margin-bottom:2rem}
.filter-bar a{font-size:13px;padding:.45rem 1rem;border-radius:20px;border:1px solid #D3D9D9;text-decoration:none;color:var(--charcoal)}
.filter-bar a.active,.filter-bar a:hover{background:var(--teal);color:#fff;border-color:var(--teal)}

/* Forms */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem}
@media(max-width:800px){.contact-grid{grid-template-columns:1fr}}
label{display:block;font-size:13px;font-weight:600;margin:1rem 0 .35rem}
input[type=text],input[type=email],input[type=tel],textarea{width:100%;padding:.65rem .8rem;border:1px solid #D3D9D9;border-radius:8px;font-size:14px;font-family:inherit}
textarea{min-height:120px}
.form-msg{font-size:13px;margin-top:.6rem;color:#0F6E56}
.form-msg.error{color:#C0392B}

.newsletter-form{display:flex;gap:.5rem;margin-top:.6rem}
.newsletter-form input{flex:1}

/* Footer */
.site-footer{background:var(--charcoal);color:#E8EAEA;padding:3rem 0 1.5rem;margin-top:2rem}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1.3fr;gap:2.5rem}
@media(max-width:800px){.footer-grid{grid-template-columns:1fr}}
.site-footer h4{color:#fff;font-size:14px;margin-bottom:.8rem}
.site-footer a{display:block;text-decoration:none;color:#C7CDCD;font-size:14px;margin-bottom:.5rem}
.footer-blurb{font-size:13px;color:#A7AEAE}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:2rem;padding-top:1.25rem;font-size:12px;color:#9AA1A1;text-align:center}

/* Chat widget */
#chatWidget{position:fixed;bottom:20px;inset-inline-end:20px;z-index:999;font-family:'Inter',sans-serif}
#chatToggle{width:56px;height:56px;border-radius:50%;background:var(--teal);color:#fff;border:none;font-size:24px;cursor:pointer;box-shadow:0 4px 14px rgba(0,0,0,.2)}
.chat-panel{position:fixed;bottom:88px;inset-inline-end:20px;width:340px;max-width:90vw;height:460px;background:#fff;border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.2);display:flex;flex-direction:column;overflow:hidden}
.chat-panel-header{background:var(--teal);color:#fff;padding:.8rem 1rem;display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:500}
.chat-panel-header button{background:none;border:none;color:#fff;cursor:pointer;font-size:16px}
.chat-messages{flex:1;overflow-y:auto;padding:.9rem;font-size:14px}
.chat-msg{margin-bottom:.7rem;max-width:85%;padding:.55rem .75rem;border-radius:10px;line-height:1.5}
.chat-msg.user{background:var(--teal);color:#fff;margin-inline-start:auto;border-end-end-radius:2px}
.chat-msg.assistant{background:var(--cloud);color:var(--charcoal);border-end-start-radius:2px}
.chat-input-row{display:flex;border-top:1px solid #EAEDED}
.chat-input-row input{flex:1;border:none;padding:.75rem;font-size:14px}
.chat-input-row input:focus{outline:none}
.chat-input-row button{background:none;border:none;color:var(--teal);font-size:18px;padding:0 1rem;cursor:pointer}
.chat-handoff{padding:.75rem;border-top:1px solid #EAEDED;display:flex;flex-direction:column;gap:.5rem}
.chat-handoff input{padding:.5rem .65rem;border:1px solid #D3D9D9;border-radius:6px;font-size:13px}

@media(max-width:800px){
  .site-nav{display:none;position:absolute;top:100%;inset-inline-start:0;inset-inline-end:0;background:#fff;flex-direction:column;padding:1rem 1.25rem;border-bottom:1px solid #EAEDED}
  .site-nav.open{display:flex}
  .nav-burger{display:block}
  .grid-3,.grid-4{grid-template-columns:1fr}
}