/* ============================================================
   رياح الجليد — Glacier design system
   Frost white / ice cyan / brand green / deep glacier
   ============================================================ */
:root{
  --frost:#F3FAFB;
  --frost-2:#E6F4F6;
  --ice:#1FAABF;
  --ice-deep:#0E7D90;
  --green:#7CB93E;
  --green-deep:#5E9427;
  --glacier:#0C3B42;
  --ink:#0A2429;
  --white:#FFFFFF;
  --muted:#4E6B70;
  --card-shadow:0 10px 30px rgba(12,59,66,.08);
  --radius:18px;
  --font-display:'Alexandria',sans-serif;
  --font-body:'IBM Plex Sans Arabic',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{overflow-x:hidden}
@supports (overflow-x:clip){
  html,body{overflow-x:clip}
}
body{
  font-family:var(--font-body);
  background:var(--frost);
  color:var(--ink);
  line-height:1.85;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{width:min(1160px,92%);margin-inline:auto}

/* ---------- diamond motif ---------- */
.diamond{
  display:inline-block;width:12px;height:12px;
  background:linear-gradient(135deg,var(--ice),var(--green));
  transform:rotate(45deg);border-radius:2px;flex:none;
}
.section-head{text-align:center;margin-bottom:56px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ice-deep);font-weight:600;margin-bottom:14px;
}
.section-head h2{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(1.7rem,3.4vw,2.5rem);color:var(--glacier);
}
.section-head p.lead{max-width:640px;margin:14px auto 0;color:var(--muted)}

/* ---------- nav ---------- */
.nav{
  position:fixed;inset-inline:0;top:0;z-index:100;
  background:rgba(243,250,251,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(31,170,191,.14);
  transition:box-shadow .3s;
}
.nav.scrolled{box-shadow:0 4px 24px rgba(12,59,66,.10)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:46px;height:46px;border-radius:12px;object-fit:cover}
.brand-name{font-family:var(--font-display);font-weight:700;font-size:1.02rem;color:var(--glacier);line-height:1.3}
.brand-name small{display:block;font-family:var(--font-body);font-weight:400;font-size:.68rem;color:var(--ice-deep);letter-spacing:.06em}
.nav-links{display:flex;align-items:center;gap:28px;font-weight:500;font-size:.95rem}
.nav-links a{color:var(--glacier);position:relative;padding:4px 0}
.nav-links a::after{
  content:"";position:absolute;bottom:-2px;inset-inline-start:0;width:0;height:2px;
  background:linear-gradient(90deg,var(--ice),var(--green));transition:width .3s;border-radius:2px;
}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 26px;border-radius:999px;font-weight:600;font-size:.95rem;
  transition:transform .25s,box-shadow .25s;cursor:pointer;border:none;
}
.btn:hover{transform:translateY(-2px)}
.btn-green{background:linear-gradient(135deg,var(--green),var(--green-deep));color:#fff;box-shadow:0 8px 20px rgba(124,185,62,.35)}
.btn-ice{background:linear-gradient(135deg,var(--ice),var(--ice-deep));color:#fff;box-shadow:0 8px 20px rgba(31,170,191,.35)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.5);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.nav-cta{padding:10px 14px;font-size:.8rem;white-space:nowrap;flex-shrink:0}
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:6px}
.hamburger span{display:block;width:24px;height:2.5px;background:var(--glacier);margin:5px 0;border-radius:2px;transition:.3s}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;color:#fff}
.hero video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero .overlay{
  position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(12,59,66,.55) 0%,rgba(10,36,41,.82) 70%);
}
.hero .shimmer{
  position:absolute;inset:0;pointer-events:none;opacity:.5;
  background:linear-gradient(115deg,transparent 30%,rgba(31,170,191,.22) 46%,rgba(124,185,62,.14) 52%,transparent 68%);
  background-size:250% 250%;
  animation:coldair 9s ease-in-out infinite;
}
@keyframes coldair{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.hero-content{position:relative;z-index:2;padding:140px 0 90px}
.hero .eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:.82rem;font-weight:600;
  letter-spacing:.14em;color:#BDEBF2;margin-bottom:18px;
}
.hero h1{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(2.1rem,5.4vw,3.9rem);line-height:1.25;margin-bottom:10px;
}
.hero h1 .grad{
  background:linear-gradient(90deg,#8FE3F0,var(--green));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .sub{font-size:clamp(1rem,2vw,1.25rem);color:#D7EEF2;max-width:720px;margin-bottom:34px}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:52px}
.brand-strip{display:flex;align-items:center;gap:14px;flex-wrap:wrap;color:#BDEBF2;font-size:.85rem}
.brand-strip .chip{
  padding:7px 18px;border:1px solid rgba(255,255,255,.35);border-radius:999px;
  font-weight:700;letter-spacing:.08em;background:rgba(255,255,255,.07);backdrop-filter:blur(3px);
}
.scroll-hint{position:absolute;bottom:26px;inset-inline-start:50%;transform:translateX(50%);z-index:2;opacity:.75}
.scroll-hint .diamond{animation:floaty 2.2s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:rotate(45deg) translateY(0)}50%{transform:rotate(45deg) translateY(8px)}}

/* ---------- sections ---------- */
section,.page-hero{scroll-margin-top:86px}
section{padding:96px 0}
section.alt{background:var(--frost-2)}
section.dark{background:linear-gradient(160deg,var(--glacier),var(--ink));color:#E7F5F7}
section.dark .section-head h2{color:#fff}
section.dark .section-head .eyebrow{color:#8FE3F0}

/* about */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.about-text p{color:var(--muted);margin-bottom:18px}
.about-text p strong{color:var(--glacier)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
.stat{
  background:#fff;border-radius:var(--radius);padding:20px 14px;text-align:center;
  box-shadow:var(--card-shadow);border-top:3px solid var(--ice);
}
.stat b{display:block;font-family:var(--font-display);font-size:1.25rem;color:var(--glacier)}
.stat span{font-size:.8rem;color:var(--muted)}
.about-media{position:relative}
.about-media img{border-radius:26px;box-shadow:0 24px 60px rgba(12,59,66,.22);aspect-ratio:4/5;object-fit:cover}
.about-media::before{
  content:"";position:absolute;width:120px;height:120px;inset-inline-end:-24px;top:-24px;
  background:linear-gradient(135deg,var(--ice),var(--green));transform:rotate(45deg);
  border-radius:22px;opacity:.16;z-index:-1;
}
.about-media .badge{
  position:absolute;bottom:22px;inset-inline-start:-18px;background:#fff;border-radius:16px;
  padding:14px 20px;box-shadow:var(--card-shadow);display:flex;align-items:center;gap:12px;
}
.badge .diamond{width:16px;height:16px}
.badge b{color:var(--glacier);font-size:.92rem}
.badge span{display:block;font-size:.75rem;color:var(--muted)}

/* services */
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.service-card{
  background:#fff;border-radius:var(--radius);padding:34px 26px;box-shadow:var(--card-shadow);
  transition:transform .3s,box-shadow .3s;position:relative;overflow:hidden;
}
.service-card::before{
  content:"";position:absolute;top:0;inset-inline-start:0;width:100%;height:4px;
  background:linear-gradient(90deg,var(--ice),var(--green));opacity:0;transition:opacity .3s;
}
.service-card:hover{transform:translateY(-8px);box-shadow:0 20px 44px rgba(12,59,66,.14)}
.service-card:hover::before{opacity:1}
.service-icon{
  width:60px;height:60px;border-radius:16px;display:grid;place-items:center;margin-bottom:20px;
  background:linear-gradient(135deg,rgba(31,170,191,.14),rgba(124,185,62,.14));
  font-size:1.6rem;
}
.service-card h3{font-family:var(--font-display);font-size:1.12rem;color:var(--glacier);margin-bottom:4px}
.service-card .en{font-size:.72rem;letter-spacing:.1em;color:var(--ice-deep);text-transform:uppercase;font-weight:600;margin-bottom:12px}
.service-card p{font-size:.9rem;color:var(--muted)}

/* why us */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.why-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(143,227,240,.18);
  border-radius:var(--radius);padding:26px;transition:background .3s,transform .3s;
}
.why-item:hover{background:rgba(255,255,255,.11);transform:translateY(-4px)}
.why-item .diamond{margin-bottom:14px;width:14px;height:14px}
.why-item h3{font-family:var(--font-display);font-size:1.05rem;color:#fff;margin-bottom:8px}
.why-item p{font-size:.88rem;color:#B9DDE2}

/* partners */
.partners-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.partner{
  padding:14px 30px;background:#fff;border-radius:14px;box-shadow:var(--card-shadow);
  font-weight:700;font-family:var(--font-display);color:var(--glacier);font-size:1rem;
  transition:transform .25s,color .25s;border:1px solid rgba(31,170,191,.10);
}
.partner:hover{transform:translateY(-4px);color:var(--ice-deep)}
.partner.primary{border:1.5px solid var(--green);color:var(--green-deep)}
.partner img{height:34px;max-width:120px;object-fit:contain;display:block}
.partner.primary img{height:46px;max-width:150px}

/* gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.g-item{
  position:relative;border-radius:20px;overflow:hidden;cursor:pointer;
  box-shadow:var(--card-shadow);aspect-ratio:4/3;background:var(--frost-2);
}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.g-item:hover img{transform:scale(1.07)}
.g-cap{
  position:absolute;inset-inline:0;bottom:0;padding:40px 18px 16px;color:#fff;
  background:linear-gradient(to top,rgba(10,36,41,.85),transparent);
  font-size:.9rem;font-weight:600;display:flex;align-items:center;gap:8px;
}
.g-cap .diamond{width:8px;height:8px}
.center-cta{text-align:center;margin-top:44px}
.center-cta .btn{white-space:normal;line-height:1.5;height:auto;max-width:100%}

/* clients */
.clients-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.client-chip{
  padding:12px 26px;border-radius:999px;background:#fff;box-shadow:var(--card-shadow);
  color:var(--glacier);font-weight:600;font-size:.92rem;border:1px solid rgba(124,185,62,.16);
}

/* certificates */
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cert-card{
  background:#fff;border-radius:var(--radius);padding:26px;box-shadow:var(--card-shadow);
  display:flex;gap:16px;align-items:flex-start;cursor:pointer;
}
.cert-icon{
  flex:none;width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--glacier),var(--ice-deep));color:#fff;font-size:1.2rem;
}
.cert-card h3{font-size:1rem;color:var(--glacier);font-family:var(--font-display);margin-bottom:4px}
.cert-card p{font-size:.84rem;color:var(--muted)}
.cert-card p b{color:var(--ice-deep);direction:ltr;unicode-bidi:embed}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.contact-list li{
  display:flex;gap:16px;align-items:flex-start;padding:18px 0;
  border-bottom:1px dashed rgba(143,227,240,.22);
}
.contact-list li:last-child{border-bottom:none}
.c-icon{
  flex:none;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:rgba(143,227,240,.12);border:1px solid rgba(143,227,240,.25);font-size:1.15rem;
}
.contact-list b{display:block;font-size:.82rem;color:#8FE3F0;font-weight:600;margin-bottom:2px}
.contact-list a,.contact-list .val{color:#fff;font-weight:600;font-size:1.02rem}
.contact-list address.val{font-style:normal}
.contact-list a:hover{color:var(--green)}
.ltr{direction:ltr;unicode-bidi:embed;display:inline-block}
.socials{display:flex;gap:12px;margin-top:26px}
.socials a{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(143,227,240,.25);
  transition:background .3s,transform .3s;font-weight:700;font-size:.8rem;color:#8FE3F0;
}
.socials a:hover{background:var(--ice);color:#fff;transform:translateY(-3px)}
.contact-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(143,227,240,.2);
  border-radius:24px;padding:36px;text-align:center;
}
.contact-card img{width:86px;height:86px;border-radius:20px;margin:0 auto 18px;object-fit:cover}
.contact-card h3{font-family:var(--font-display);color:#fff;font-size:1.15rem;line-height:1.55;margin-bottom:8px}
.contact-card p{color:#B9DDE2;font-size:.92rem;margin-bottom:24px}
.contact-card .btn{width:100%;justify-content:center;margin-bottom:12px;white-space:normal;line-height:1.5;text-align:center;height:auto}

/* faq */
.faq-list{max-width:820px;margin:0 auto;display:grid;gap:14px}
.faq-item{
  background:#fff;border-radius:var(--radius);padding:22px 26px;
  box-shadow:var(--card-shadow);border-top:3px solid var(--ice);
}
.faq-item h3{font-family:var(--font-display);color:var(--glacier);font-size:1.08rem;margin-bottom:8px;line-height:1.6}
.faq-item p{color:var(--muted);margin:0}
.faq-item a{color:var(--ice-deep);font-weight:600}

/* footer */
footer{background:var(--ink);color:#9CC3C9;padding:44px 0 30px;font-size:.85rem}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-family:var(--font-display);font-weight:700}
.footer-brand img{width:38px;height:38px;border-radius:10px}
.footer-legal{text-align:center;line-height:1.7}
.footer-legal .ltr,.footer-legal a{color:#BDEBF2}

/* whatsapp float */
.wa-float{
  position:fixed;bottom:26px;inset-inline-start:26px;z-index:90;
  width:58px;height:58px;border-radius:50%;display:grid;place-items:center;
  background:#25D366;color:#fff;box-shadow:0 10px 26px rgba(37,211,102,.45);
  transition:transform .3s;
}
.wa-float:hover{transform:scale(1.1)}
.wa-float svg{width:30px;height:30px}

/* reveal animation */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* projects page */
.page-hero{
  padding:150px 0 70px;color:#fff;text-align:center;position:relative;
  background:linear-gradient(160deg,var(--glacier),var(--ice-deep));overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;width:340px;height:340px;inset-inline-end:-90px;bottom:-160px;
  background:linear-gradient(135deg,rgba(143,227,240,.25),rgba(124,185,62,.2));
  transform:rotate(45deg);border-radius:60px;
}
.page-hero h1{font-family:var(--font-display);font-size:clamp(1.9rem,4vw,3rem);position:relative;z-index:2}
.page-hero p{color:#CBEDF2;max-width:720px;margin:12px auto 0;position:relative;z-index:2}
.filters{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:44px}
.filter-btn{
  padding:10px 26px;border-radius:999px;border:1.5px solid rgba(31,170,191,.35);
  background:#fff;color:var(--glacier);font-weight:600;font-size:.9rem;cursor:pointer;
  font-family:var(--font-body);transition:all .3s;
}
.filter-btn.active,.filter-btn:hover{background:linear-gradient(135deg,var(--ice),var(--ice-deep));color:#fff;border-color:transparent}
.g-item.hidden{display:none}
.g-item.tall{aspect-ratio:3/4}

/* lightbox */
.lightbox{
  position:fixed;inset:0;z-index:200;background:rgba(10,36,41,.92);
  display:none;place-items:center;padding:5vh 5vw;
}
.lightbox.open{display:grid}
.lightbox img{max-width:100%;max-height:88vh;border-radius:16px;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.lightbox .close{
  position:absolute;top:24px;inset-inline-end:28px;background:none;border:none;color:#fff;
  font-size:2.2rem;cursor:pointer;line-height:1;z-index:1;
}
.lightbox .lb-prev,.lightbox .lb-next{
  position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.12);
  border:none;color:#fff;font-size:2rem;width:52px;height:52px;border-radius:50%;
  cursor:pointer;display:none;
}
.lightbox .lb-prev{inset-inline-start:24px}
.lightbox .lb-next{inset-inline-end:24px}
.lightbox.multi .lb-prev,.lightbox.multi .lb-next{display:grid;place-items:center}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .services-grid{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:40px}
  .about-media{max-width:440px;margin-inline:auto}
  .cert-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
  section{padding:70px 0}
  .about-media::before{inset-inline-end:16px}
  .about-media .badge{inset-inline-start:0}
  .nav-links{
    position:fixed;top:74px;inset-inline:0;background:var(--frost);
    flex-direction:column;padding:26px 6%;gap:20px;align-items:flex-start;
    box-shadow:0 20px 30px rgba(12,59,66,.12);transform:translateY(-130%);
    transition:transform .35s;z-index:-1;
  }
  .nav-links.open{transform:none}
  .hamburger{display:block}
  .nav-cta{display:none}
  .services-grid,.why-grid,.cert-grid,.gallery-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(3,1fr);gap:10px}
  .stat{padding:14px 8px}
  .hero-content{padding-top:120px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}