/* =========================================================
   مؤسسة الوتين لكشف تسربات المياه — جدة
   نظام تصميم: "النبضة الصوتية" — مستوحى من موجة الصوت التي
   تلتقطها أجهزة الكشف الإلكترونية عن مسار التسرب تحت البلاط.
   ========================================================= */

:root{
  --ink:#0B2436;
  --surface:#F4F8F8;
  --surface-alt:#E7EFEF;
  --card:#FFFFFF;
  --teal:#0F8B8D;
  --teal-dark:#0A6668;
  --teal-soft:#DCEEEE;
  --copper:#C1702F;
  --copper-dark:#9C5620;
  --text:#152F3A;
  --muted:#52707A;
  --line:#D7E2E2;
  --radius:14px;
  --shadow:0 10px 30px -12px rgba(11,36,54,.18);
  --maxw:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--surface);
  color:var(--text);
  font-family:'Tajawal',system-ui,sans-serif;
  line-height:1.85;
  direction:rtl;
}
img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
h1,h2,h3,h4{
  font-family:'El Messiri',serif;
  color:var(--ink);
  margin:0 0 .5em;
  line-height:1.35;
}
h1{font-size:clamp(30px,5vw,50px)}
h2{font-size:clamp(24px,3.4vw,34px)}
h3{font-size:clamp(19px,2.4vw,23px)}
p{margin:0 0 1em;color:var(--text)}
.muted{color:var(--muted)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'IBM Plex Sans Arabic',sans-serif;
  font-size:13px;letter-spacing:.5px;color:var(--teal-dark);
  background:var(--teal-soft);
  padding:6px 14px;border-radius:99px;font-weight:600;
  margin-bottom:14px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);animation:pulse-dot 1.6s ease-in-out infinite}
@keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(1.4)}}

/* ---------- Skip / focus ---------- */
a:focus-visible,button:focus-visible{outline:3px solid var(--copper);outline-offset:3px}
.skip-link{position:absolute;right:-999px;top:0;background:var(--ink);color:#fff;padding:10px 18px;border-radius:0 0 8px 8px;z-index:100}
.skip-link:focus{right:0}

/* ---------- Top bar ---------- */
.topbar{
  background:var(--ink);color:#cfe4e4;font-family:'IBM Plex Sans Arabic',sans-serif;
  font-size:13.5px;
}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;padding:8px 20px;flex-wrap:wrap;gap:6px}
.topbar a{color:#fff}
.topbar .phone-quick{display:flex;align-items:center;gap:6px;font-weight:600}

/* ---------- Header / nav ---------- */
header.site{
  background:var(--card);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-family:'El Messiri',serif;font-weight:700;font-size:20px;color:var(--ink)}
.brand-mark{width:40px;height:40px;flex:none}
.nav-links{display:flex;gap:22px;font-size:15px;font-weight:600;color:var(--text)}
.nav-links a{padding:6px 2px;border-bottom:2px solid transparent}
.nav-links a:hover{border-color:var(--copper);color:var(--copper-dark)}
.cta-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--copper);color:#fff;font-weight:700;
  padding:11px 20px;border-radius:99px;font-size:15px;
  box-shadow:0 6px 18px -6px rgba(193,112,47,.6);
  white-space:nowrap;
}
.cta-btn:hover{background:var(--copper-dark)}
.cta-btn.ghost{background:transparent;border:2px solid var(--teal);color:var(--teal-dark);box-shadow:none}
.cta-btn.ghost:hover{background:var(--teal-soft)}
.nav-mobile-toggle{display:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:linear-gradient(180deg,#0B2436 0%,#0E3C4B 60%,#0F4A56 100%);
  color:#EAF4F4;
  overflow:hidden;
  padding:64px 0 0;
}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding-bottom:40px}
.hero h1{color:#fff}
.hero h1 .accent{color:#7FE0D6}
.hero p.lead{color:#BFE0DE;font-size:18px;max-width:46ch}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px}
.hero-badge{
  font-family:'IBM Plex Sans Arabic',sans-serif;font-size:13.5px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  padding:8px 14px;border-radius:99px;color:#DFF3F1;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-visual{
  position:relative;border-radius:20px;overflow:hidden;
  box-shadow:var(--shadow);
  aspect-ratio:4/5;background:#062330;
}
.hero-visual video{width:100%;height:100%;object-fit:cover}
.hero-visual .tag{
  position:absolute;bottom:14px;right:14px;left:14px;
  background:rgba(6,25,32,.72);backdrop-filter:blur(4px);
  color:#fff;font-family:'IBM Plex Sans Arabic',sans-serif;font-size:13px;
  padding:10px 14px;border-radius:10px;
}
.pulse-wave{display:block;width:100%;height:70px;color:var(--surface)}
.pulse-wave path{stroke:#1E6E76;stroke-width:2;fill:none;opacity:.55}
.pulse-wave .fillPath{fill:var(--surface);stroke:none;opacity:1}

/* ---------- Sections ---------- */
section{padding:64px 0}
.section-alt{background:var(--surface-alt)}
.section-dark{background:var(--ink);color:#DCEDEC}
.section-dark h2, .section-dark h3{color:#fff}
.section-head{max-width:680px;margin-bottom:38px}
.section-head.center{margin-inline:auto;text-align:center}

/* ---------- Intro / article text ---------- */
.article-copy{max-width:760px}
.article-copy h2{margin-top:0}

/* ---------- Numbered reasons ---------- */
.reason-list{display:grid;gap:18px;margin-top:10px}
.reason-item{
  display:grid;grid-template-columns:56px 1fr;gap:16px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px 22px;
}
.reason-num{
  font-family:'IBM Plex Sans Arabic',sans-serif;font-weight:700;font-size:22px;
  color:var(--teal);background:var(--teal-soft);
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
}
.reason-item h3{margin-bottom:6px}
.reason-item p{margin:0;color:var(--muted)}

/* ---------- Services grid ---------- */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.service-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;transition:transform .2s ease, box-shadow .2s ease;
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.service-icon{width:44px;height:44px;color:var(--teal);margin-bottom:14px}
.service-card h3{margin-bottom:8px}
.service-card p{color:var(--muted);font-size:15px;margin:0}

/* ---------- Process steps ---------- */
.process{position:relative}
.process-track{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  position:relative;counter-reset:step;
}
.process-track::before{
  content:"";position:absolute;top:27px;right:12.5%;left:12.5%;height:2px;
  background:repeating-linear-gradient(90deg,var(--teal) 0 8px,transparent 8px 16px);
  z-index:0;
}
.process-step{position:relative;z-index:1;padding:0 14px;text-align:center}
.process-badge{
  width:54px;height:54px;border-radius:50%;background:var(--teal);color:#fff;
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;
  font-family:'IBM Plex Sans Arabic',sans-serif;font-weight:700;font-size:19px;
  box-shadow:0 0 0 6px var(--surface);
}
.process-step h3{font-size:17px;margin-bottom:6px}
.process-step p{color:var(--muted);font-size:14px}

/* ---------- Video blocks ---------- */
.video-block{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
}
.video-block.reverse{grid-template-columns:1fr 1fr}
.video-block.reverse .video-frame{order:2}
.video-frame{
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  border:1px solid var(--line);background:#06212B;
}
.video-frame video{width:100%;display:block;max-height:420px;object-fit:cover}
.video-caption{
  font-family:'IBM Plex Sans Arabic',sans-serif;font-size:12.5px;color:var(--muted);
  padding:8px 4px 0;
}
.video-text h3{margin-bottom:10px}

.video-gallery{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin-top:26px;
}
.video-gallery .video-frame video{max-height:220px}

/* ---------- Coverage / area list ---------- */
.area-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.area-chip{
  background:var(--card);border:1px solid var(--line);border-radius:99px;
  padding:9px 16px;font-size:14px;font-family:'IBM Plex Sans Arabic',sans-serif;color:var(--text);
}

/* ---------- Trust strip ---------- */
.trust-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:22px}
.trust-item{display:flex;gap:14px;align-items:flex-start}
.trust-item svg{width:30px;height:30px;flex:none;color:var(--copper)}
.trust-item h4{margin:0 0 4px;font-size:16px;color:var(--ink);font-family:'Tajawal',sans-serif;font-weight:700}
.trust-item p{margin:0;color:var(--muted);font-size:14px}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-q{
  width:100%;text-align:right;background:none;border:none;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:20px 4px;font-family:'Tajawal',sans-serif;font-weight:700;font-size:16.5px;
  color:var(--ink);
}
.faq-q .icon{
  flex:none;width:26px;height:26px;border-radius:50%;
  background:var(--teal-soft);color:var(--teal-dark);
  display:flex;align-items:center;justify-content:center;font-size:18px;
  transition:transform .25s ease;
}
.faq-item[open] .faq-q .icon{transform:rotate(45deg);background:var(--copper);color:#fff}
.faq-a{padding:0 4px 20px;color:var(--muted);max-width:70ch}
.faq-item summary::-webkit-details-marker{display:none}

/* ---------- Internal links / other areas ---------- */
.other-areas{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.other-area-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;display:flex;flex-direction:column;gap:6px;
}
.other-area-card .go{color:var(--teal-dark);font-weight:700;font-size:14px}
.other-area-card:hover{border-color:var(--teal)}

/* ---------- Final CTA banner ---------- */
.final-cta{
  background:linear-gradient(120deg,var(--teal-dark),var(--ink));
  color:#fff;border-radius:22px;padding:44px;
  display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.final-cta h2{color:#fff;margin-bottom:8px}
.final-cta p{color:#BFE0DE;margin:0}
.final-cta .cta-group{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Footer ---------- */
footer.site{background:var(--ink);color:#9FC1C0;padding:50px 0 24px;font-size:14.5px}
footer.site h4{color:#fff;font-family:'Tajawal',sans-serif;font-size:15px;margin-bottom:14px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:30px;margin-bottom:34px}
.footer-grid a{display:block;color:#9FC1C0;padding:4px 0}
.footer-grid a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:#7FA3A2}

/* ---------- Floating WhatsApp ---------- */
.float-wa{
  position:fixed;bottom:20px;left:20px;z-index:60;
  width:58px;height:58px;border-radius:50%;background:#25D366;
  display:flex;align-items:center;justify-content:center;box-shadow:0 8px 22px -6px rgba(0,0,0,.4);
}
.float-wa svg{width:30px;height:30px;color:#fff}

@media (max-width:880px){
  .hero .wrap{grid-template-columns:1fr}
  .hero-visual{order:-1;aspect-ratio:16/10}
  .video-block, .video-block.reverse{grid-template-columns:1fr}
  .video-block.reverse .video-frame{order:0}
  .process-track{grid-template-columns:1fr 1fr;row-gap:34px}
  .process-track::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
}
@media (max-width:520px){
  .process-track{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .final-cta{padding:30px 22px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}