/* ===== Design Tokens ===== */
:root{
  --c-primary-dark:#0B3D5C;
  --c-primary:#146C94;
  --c-accent:#22B8CF;
  --c-cta:#FF7A59;
  --c-cta-dark:#E8602F;
  --c-bg:#F4F9FB;
  --c-bg-alt:#EAF4F8;
  --c-bg-dark:#0B3D5C;
  --c-text:#122B3D;
  --c-text-light:#5C7A8A;
  --c-white:#FFFFFF;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(11,61,92,.08);
  --shadow-md:0 8px 30px rgba(11,61,92,.12);
  --max-width:1180px;
  --font-base: "Vazirmatn", Tahoma, sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-base);
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.8;
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit;}
.container{max-width:var(--max-width);margin:0 auto;padding:0 24px;}
h1,h2,h3{font-weight:800;line-height:1.4;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.85rem;font-weight:700;color:var(--c-primary);
  background:var(--c-bg-alt);padding:6px 16px;border-radius:50px;
  margin-bottom:14px;
}
.section{padding:80px 0;}
.section-title{font-size:clamp(1.6rem,3vw,2.3rem);margin-bottom:16px;}
.section-desc{color:var(--c-text-light);font-size:1.05rem;max-width:640px;}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 28px;border-radius:50px;font-weight:700;font-size:.95rem;
  transition:transform .2s ease, box-shadow .2s ease;
}
.btn:focus-visible, a:focus-visible, button:focus-visible{
  outline:3px solid var(--c-accent);outline-offset:3px;
}
.btn-cta{background:var(--c-cta);color:#fff;box-shadow:0 6px 20px rgba(255,122,89,.35);}
.btn-cta:hover{background:var(--c-cta-dark);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--c-white);border:2px solid rgba(255,255,255,.6);}
.btn-outline:hover{background:rgba(255,255,255,.12);}
.btn-ghost{background:var(--c-bg-alt);color:var(--c-primary-dark);}
.btn-ghost:hover{background:#dcedf3;}
.skip-link{
  position:absolute;right:-999px;top:0;background:var(--c-cta);color:#fff;
  padding:10px 16px;z-index:999;
}
.skip-link:focus{right:0;}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,.98);
  backdrop-filter:blur(12px);
  box-shadow:0 1px 0 rgba(11,61,92,.07);
}

.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;}
.logo{display:flex;align-items:center;flex-shrink:0;color:var(--c-primary-dark);}
.logo .fa-logo-drop{font-size:2rem;color:var(--c-accent);line-height:1;}
.nav-links{display:flex;gap:22px;align-items:center;margin:0;padding:0;flex:1;justify-content:center;}
.nav-links a{
  font-weight:600;font-size:.9rem;color:var(--c-text);
  position:relative;padding:8px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;right:0;bottom:2px;height:2px;width:0;
  background:var(--c-accent);transition:width .25s ease;
}
.nav-links a:hover::after{width:100%;}
.nav-drawer-phones{display:none;}

.nav-cta{display:flex;align-items:center;gap:12px;flex-shrink:0;}

/* دسکتاپ — یک شماره کنار دکمه تماس فوری */
.header-phone-desktop{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:12px;
  font-size:1rem;color:var(--c-primary-dark);
  background:var(--c-bg-alt);border:1px solid rgba(11,61,92,.1);
  transition:background .15s,border-color .15s,transform .15s;
}
.header-phone-desktop .phone-num{font-size:1.02rem;letter-spacing:.05em;}
.header-phone-desktop .fa-header-phone{
  font-size:1.15rem;color:var(--c-accent);line-height:1;flex-shrink:0;
}
.header-phone-desktop:hover{background:#fff;border-color:var(--c-accent);transform:translateY(-1px);}

.phone-num{
  font-weight:800;font-variant-numeric:tabular-nums;
  letter-spacing:.04em;direction:ltr;unicode-bidi:isolate;text-align:left;
}
span.phone-num{display:inline-block;line-height:1.2;}

.fa-theme-icon{font-size:1.15rem;line-height:1;}
.fa-logo-drop{font-size:2rem;color:var(--c-accent);line-height:1;}
.fa-btn-icon,.fa-menu-icon{font-size:1rem;line-height:1;}
.fa-header-phone,.fa-btn-icon,.fa-menu-icon{display:inline-flex;align-items:center;justify-content:center;}
.menu-toggle .fa-menu-icon{font-size:1.1rem;color:var(--c-primary-dark);}

.btn-header-cta{padding:11px 18px;font-size:.88rem;white-space:nowrap;}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--c-bg-alt);align-items:center;justify-content:center;
}

@media (max-width:1100px){
  .nav-links{gap:14px;}
  .nav-links a{font-size:.84rem;}
  .header-phone-desktop{font-size:.84rem;padding:8px 12px;}
}

/* موبایل — نوار ثابت پایین صفحه */
.mobile-call-dock{display:none;}
@media (max-width:900px){
  .header-phone-desktop{display:none;}
  .site-header .container.nav-wrap{
    padding-left:max(28px, env(safe-area-inset-left, 0px));
    padding-right:max(28px, env(safe-area-inset-right, 0px));
  }
  .nav-wrap{padding:10px 0;gap:10px;}
  .nav-links{
    position:fixed;inset:0 0 0 auto;top:0;height:100dvh;width:min(88%,320px);
    background:#fff;flex-direction:column;align-items:stretch;justify-content:flex-start;
    padding:84px 22px 28px;gap:0;
    box-shadow:-12px 0 40px rgba(11,61,92,.18);
    transform:translateX(100%);transition:transform .3s ease;
    overflow-y:auto;z-index:3;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links li{width:100%;border-bottom:1px solid rgba(11,61,92,.07);}
  .nav-links a{display:block;padding:14px 4px;font-size:1rem;}
  .nav-links a::after{display:none;}
  .nav-drawer-phones{
    display:block;border-bottom:none !important;padding:16px 4px 8px;margin-top:6px;
  }
  .nav-drawer-phones-title{font-size:.78rem;font-weight:700;color:var(--c-text-light);margin-bottom:10px;}
  .nav-drawer-phones-list{display:grid;gap:8px;}
  .nav-drawer-phone{
    display:flex;align-items:center;justify-content:center;
    padding:14px 14px;border-radius:12px;
    background:linear-gradient(135deg,var(--c-primary-dark),var(--c-primary));
    color:#fff;
  }
  .nav-drawer-phone .phone-num{font-size:1.05rem;letter-spacing:.05em;}
  .menu-toggle{display:flex;position:relative;z-index:4;}
  .btn-header-cta .label-long{display:none;}
  .btn-header-cta{padding:0;width:44px;height:44px;justify-content:center;border-radius:12px;}

  .mobile-call-dock{
    display:grid;grid-template-columns:1fr 1fr;
    position:fixed;inset-inline:0;bottom:0;z-index:180;
    box-shadow:0 -6px 28px rgba(11,61,92,.22);
    padding-bottom:env(safe-area-inset-bottom,0);
  }
  body:has(.mobile-call-dock){padding-bottom:calc(64px + env(safe-area-inset-bottom,0));}
  .mobile-call-dock-btn{
    display:flex;align-items:center;justify-content:center;
    min-height:58px;padding:10px 8px;
    font-size:1.08rem;color:#fff;text-align:center;
    transition:filter .15s;
  }
  .mobile-call-dock-btn .phone-num{
    font-size:clamp(1rem,4.2vw,1.12rem);letter-spacing:.06em;line-height:1.2;
  }
  .mobile-call-dock-btn:active{filter:brightness(.92);}
  .mobile-call-dock-btn--primary{background:linear-gradient(135deg,var(--c-primary-dark),var(--c-primary));}
  .mobile-call-dock-btn--secondary{background:linear-gradient(135deg,var(--c-cta),var(--c-cta-dark));}
  .mobile-call-dock-btn:only-child{grid-column:1/-1;}
  .float-whatsapp{bottom:calc(76px + env(safe-area-inset-bottom,0)) !important;}
}
@media (max-width:520px){
  .site-header .container.nav-wrap{
    padding-left:max(22px, env(safe-area-inset-left, 0px));
    padding-right:max(22px, env(safe-area-inset-right, 0px));
  }
  .mobile-call-dock-btn .phone-num{font-size:1rem;letter-spacing:.05em;}
}

/* ===== Hero / Slideshow (legacy — not used on image-only hero) ===== */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,var(--c-primary-dark),var(--c-primary));
}
.hero-images-only.hero{
  background:var(--c-bg);
  padding:0;margin:0;
}
.slides{position:relative;min-height:560px;}
.slide{
  position:absolute;inset:0;display:flex;align-items:center;opacity:0;
  transition:opacity .8s ease;padding:60px 0;
}
.slide.active{position:relative;opacity:1;}
.slide-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;width:100%;}
.slide-content .eyebrow{background:rgba(255,255,255,.15);color:#fff;}
.slide-content h1, .slide-content h2{font-size:clamp(2rem,4vw,2.8rem);margin-bottom:18px;color:#fff;}
.slide-content p{color:#d9ecf3;font-size:1.05rem;max-width:480px;margin-bottom:28px;}
.slide-actions{display:flex;gap:14px;flex-wrap:wrap;}
.slide-art{position:relative;}
.floating-drop{
  position:absolute;color:rgba(255,255,255,.25);
  animation:floatY 6s ease-in-out infinite;
}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-18px)}}
.dots{
  position:absolute;bottom:60px;right:50%;transform:translateX(50%);
  display:flex;gap:10px;z-index:5;
}
.dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.4);transition:.3s;}
.dot.active{background:#fff;width:28px;border-radius:6px;}
.slide-arrow{
  position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;
  border-radius:50%;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;
  z-index:5;transition:.2s;
}
.slide-arrow:hover{background:rgba(255,255,255,.25);}
.slide-arrow.prev{right:24px;}
.slide-arrow.next{left:24px;}
.slide-arrow i{font-size:1.05rem;color:#fff;line-height:1;}
.fa-slide-arrow,.fa-faq-plus,.fa-article-arrow{display:inline-flex;align-items:center;justify-content:center;line-height:1;}
.fa-faq-plus{font-size:.85rem;}
.fa-article-arrow{font-size:.85rem;}
.hero-wave{display:block;width:100%;height:auto;margin-top:-2px;}

@media (max-width:760px){
  .slide-grid{grid-template-columns:1fr;text-align:center;}
  .slide-content p{margin-inline:auto;}
  .slide-actions{justify-content:center;}
  .slide-art{display:none;}
  .slide-arrow{display:none;}
}

/* ===== Feature (text + image) sections ===== */
.feature{background:var(--c-bg);}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.feature-grid.reverse .feature-text{order:2;}
.feature-grid.reverse .feature-art{order:1;}
.feature-list{margin-top:24px;display:grid;gap:14px;}
.feature-list li{display:flex;gap:12px;align-items:flex-start;font-weight:600;color:var(--c-text);}
.feature-list li .fa-theme-icon{color:var(--c-accent);flex-shrink:0;margin-top:3px;font-size:1rem;}
.feature-art{position:relative;overflow:hidden;border-radius:32px;}
.feature-art .art-bg{
  position:absolute;inset:8%;background:var(--c-bg-alt);
  border-radius:32px;z-index:0;
}
.feature-art svg.illustration{
  position:relative;z-index:1;display:block;margin:0 auto;width:100%;max-width:520px;
}

@media (max-width:860px){
  .feature-grid{grid-template-columns:1fr;gap:32px;}
  .feature-grid.reverse .feature-text{order:1;}
  .feature-grid.reverse .feature-art{order:2;}
  .feature-art{display:flex;justify-content:center;}
  .feature-art svg.illustration{max-width:420px;}
}

/* Second feature section - distinct dark + process style */
.feature-dark{
  background:var(--c-primary-dark);color:#fff;position:relative;overflow:hidden;
}
.feature-dark .section-desc{color:#bcdce8;}
.feature-dark .eyebrow{background:rgba(255,255,255,.12);color:#fff;}
.process-list{display:grid;gap:22px;margin-top:30px;}
.process-item{display:flex;gap:18px;align-items:flex-start;}
.process-num{
  flex-shrink:0;width:48px;height:48px;border-radius:50%;
  background:var(--c-accent);color:var(--c-primary-dark);font-weight:800;
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;
}
.process-item h3{font-size:1.05rem;margin-bottom:4px;}
.process-item p{color:#bcdce8;font-size:.92rem;}
.feature-dark .feature-art .art-bg{background:rgba(255,255,255,.06);}

/* ===== Services ===== */
.services-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px;
}
.service-card{
  background:#fff;border-radius:var(--radius);padding:0;box-shadow:var(--shadow-sm);
  transition:transform .25s ease, box-shadow .25s ease;border:1px solid #e7f1f5;
  overflow:hidden;
}
.service-card--link{display:block;color:inherit;text-decoration:none;cursor:pointer;}
.service-card:hover,.service-card--link:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);}
.service-card-media{height:150px;overflow:hidden;background:var(--c-bg-alt);}
.service-card-media img{width:100%;height:100%;object-fit:cover;display:block;}
.service-card-body{padding:26px 24px 28px;}
.service-icon{
  width:56px;height:56px;border-radius:16px;background:var(--c-bg-alt);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--c-primary);
}
.service-card-media + .service-card-body .service-icon{margin-top:0;}
.service-icon i{font-size:1.45rem;color:var(--c-primary);line-height:1;}
.service-card h3{font-size:1.08rem;margin-bottom:8px;}
.service-card p{color:var(--c-text-light);font-size:.92rem;margin-bottom:0;}
.service-card-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:.88rem;font-weight:700;color:var(--c-primary);
}
.service-card-link .fa-service-arrow{font-size:.75rem;}
.service-card--link:hover .service-card-link{color:var(--c-cta);}
@media (max-width:900px){.services-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.services-grid{grid-template-columns:1fr;}}

/* ===== FAQ ===== */
.faq-list{max-width:780px;margin:40px auto 0;display:grid;gap:14px;}
.faq-item{
  background:#fff;border-radius:var(--radius-sm);border:1px solid #e7f1f5;overflow:hidden;
}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;
  padding:20px 22px;font-weight:700;font-size:1rem;text-align:right;
}
.faq-q .plus{
  width:26px;height:26px;border-radius:50%;background:var(--c-bg-alt);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .3s ease;
}
.faq-item[data-open="true"] .plus{transform:rotate(45deg);background:var(--c-cta);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a-inner{padding:0 22px 20px;color:var(--c-text-light);font-size:.95rem;}

/* ===== Why Us ===== */
.why-us{background:var(--c-bg-alt);position:relative;}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px;}
.why-card{
  background:#fff;border-radius:var(--radius);padding:30px 24px;text-align:center;
  box-shadow:var(--shadow-sm);
}
.why-icon{
  width:64px;height:64px;border-radius:50%;background:var(--c-bg-alt);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:var(--c-accent);
}
.why-icon i{font-size:1.5rem;color:var(--c-accent);line-height:1;}
.why-card h3{font-size:1rem;margin-bottom:6px;}
.why-card p{font-size:.88rem;color:var(--c-text-light);}
@media (max-width:900px){.why-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.why-grid{grid-template-columns:1fr;}}

/* ===== Articles ===== */
.articles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px;}
.article-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;transition:.25s;
}
.article-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);}
.article-thumb{height:160px;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));position:relative;}
.article-thumb svg{position:absolute;inset:0;width:100%;height:100%;opacity:.9;}
.article-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.article-tag{font-size:.75rem;font-weight:700;color:var(--c-primary);}
.article-body h3{font-size:1.02rem;}
.article-body p{font-size:.88rem;color:var(--c-text-light);flex:1;}
.article-link{font-weight:700;font-size:.88rem;color:var(--c-cta);display:flex;align-items:center;gap:6px;}
@media (max-width:900px){.articles-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.articles-grid{grid-template-columns:1fr;}}

/* ===== CTA Strip ===== */
.cta-section{padding-top:0;padding-bottom:clamp(48px,6vw,72px);}
.cta-strip{
  background:linear-gradient(120deg,var(--c-cta),var(--c-cta-dark));color:#fff;
  border-radius:var(--radius);padding:clamp(28px,4vw,40px);
  display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
  box-shadow:0 10px 32px rgba(255,122,89,.28);
}
.cta-strip-content{flex:1;min-width:min(100%,260px);}
.cta-strip h3{font-size:clamp(1.15rem,2.5vw,1.35rem);margin-bottom:8px;color:#fff;}
.cta-strip p{color:#ffe7de;font-size:clamp(.9rem,2vw,.98rem);line-height:1.7;margin:0;}
.cta-strip-btn{
  background:#fff;color:var(--c-cta-dark);
  display:inline-flex;align-items:center;gap:10px;
  white-space:nowrap;font-weight:800;padding:14px 22px;
  box-shadow:0 4px 16px rgba(0,0,0,.12);
}
.cta-strip-btn-text{display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap;}
.cta-strip-label{white-space:nowrap;}
.cta-strip-btn .phone-num{color:var(--c-cta-dark);font-size:1em;}
.cta-strip-btn:hover{background:#fff;color:var(--c-cta-dark);transform:translateY(-2px);}
.cta-strip-btn .fa-cta-strip-icon{font-size:1.1rem;line-height:1;}
@media (max-width:640px){
  .cta-strip{flex-direction:column;text-align:center;align-items:stretch;}
  .cta-strip-btn{justify-content:center;width:100%;}
}

/* ===== Footer ===== */
footer{
  position:relative;margin-top:0;padding:0;
  color:#cfe7f1;
  background:linear-gradient(180deg,var(--c-bg-dark) 0%,#082f47 100%);
}
.footer-wave{
  line-height:0;margin:0;padding:0;
  transform:translateY(1px);
}
.footer-wave svg{display:block;width:100%;height:clamp(40px,6vw,68px);}
.footer-wave path{fill:var(--c-bg-dark);}
.footer-inner{
  background:transparent;
  padding:0;
  margin-top:-2px;
}
.footer-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px;
  padding:36px 0 40px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-col h4{
  color:#fff;font-size:1rem;margin-bottom:18px;
  position:relative;padding-bottom:10px;
}
.footer-col h4::after{
  content:"";position:absolute;right:0;bottom:0;width:36px;height:3px;
  border-radius:99px;background:linear-gradient(90deg,var(--c-accent),transparent);
}
.footer-col ul{display:grid;gap:11px;font-size:.9rem;}
.footer-col ul a{color:#b8d4e0;transition:color .15s,padding-inline-start .15s;}
.footer-col ul a:hover{color:var(--c-accent);padding-inline-start:4px;}
.footer-contact li{display:flex;align-items:flex-start;gap:12px;}
.footer-contact-icon{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:rgba(255,255,255,.08);color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;
}
.footer-contact-icon .fa-footer-icon{font-size:.95rem;line-height:1;}
.social-row .fa-social-icon{font-size:1rem;line-height:1;}
.footer-contact a{color:#fff;}
.footer-contact a.phone-num{font-size:1.05rem;letter-spacing:.05em;}
.footer-contact a:hover{color:var(--c-accent);}
.footer-col-contact .social-row{margin-top:20px;}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:40px;height:40px;border-radius:12px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;transition:.2s;
}
.social-row a:hover{background:var(--c-accent);color:var(--c-primary-dark);transform:translateY(-2px);}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding:20px 0 24px;font-size:.82rem;color:#8fb6c8;flex-wrap:wrap;gap:10px;
}
@media (max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease, transform .6s ease;}
.reveal.in-view{opacity:1;transform:translateY(0);}

/* ===== Animated tanker-truck / pool illustration ===== */
.animated-truck .water-fill{
  animation:waterRise 5s ease-in-out infinite;
  transform-box:fill-box;
}
.animated-truck .water-wave{
  animation:waveShift 3.2s linear infinite;
  transform-box:fill-box;
}
@keyframes waterRise{
  0%,100%{transform:translateY(18px);}
  50%{transform:translateY(-14px);}
}
@keyframes waveShift{
  0%{transform:translateX(0);}
  100%{transform:translateX(-90px);}
}
.animated-truck .flow-line{
  animation:flowDash 1s linear infinite;
}
@keyframes flowDash{
  to{stroke-dashoffset:-26;}
}
.animated-truck .ripple{
  animation:rippleOut 2.4s ease-out infinite;
  opacity:0;
  transform-box:fill-box;
  transform-origin:center;
}
.animated-truck .ripple1{animation-delay:0s;}
.animated-truck .ripple2{animation-delay:.8s;}
.animated-truck .ripple3{animation-delay:1.6s;}
@keyframes rippleOut{
  0%{transform:scale(.3);opacity:0;}
  15%{opacity:.85;}
  65%{transform:scale(2.4);opacity:0;}
  100%{transform:scale(2.4);opacity:0;}
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001s !important;transition-duration:.001s !important;}
  html{scroll-behavior:auto;}
  .coverage-dot,.coverage-dot-pulse{animation:none !important;opacity:.9 !important;}
}

/* ===== Coverage map (Tehran) ===== */
.coverage-section{
  background:var(--c-bg);
  padding-block:clamp(48px,8vw,80px);
}
.container--wide{max-width:min(98vw,1440px);}
.coverage-head{text-align:center;margin-bottom:clamp(24px,4vw,40px);}
.coverage-head .section-desc{margin-inline:auto;max-width:640px;}
.coverage-map{
  position:relative;background:linear-gradient(180deg,var(--c-bg-alt) 0%,#fff 100%);
  border:1px solid rgba(11,61,92,.08);border-radius:var(--radius);
  padding:clamp(8px,1.5vw,16px);overflow:visible;
  box-shadow:var(--shadow-md);
}
.coverage-map .tehran-map-svg{
  display:block;width:100%;height:auto;
  min-width:100%;
  aspect-ratio:841.89 / 595.28;
}
.coverage-map path.land{
  stroke-width:.55;stroke-opacity:.95;
  transition:opacity .2s ease,stroke-width .2s ease;
}
.coverage-map path.land:hover{opacity:.88;stroke-width:.8;}
.coverage-map text{
  fill:var(--c-primary-dark);font-size:12px;font-family:var(--font-base);
  font-weight:700;pointer-events:none;opacity:.92;
}
.coverage-dots{pointer-events:none;}
.coverage-dot,.coverage-dot-pulse{
  transform-box:fill-box;transform-origin:center;
}
.coverage-dot{
  fill:#fff;stroke:var(--c-cta);stroke-width:2;
  filter:drop-shadow(0 0 4px rgba(255,122,89,.85));
  animation:mapDotBlink 2s ease-in-out infinite;
}
.coverage-dot-pulse{
  fill:rgba(255,122,89,.35);stroke:var(--c-cta);stroke-width:1.5;
  animation:mapDotPulse 2s ease-out infinite;
}
.coverage-map-note{
  display:flex;align-items:center;justify-content:center;gap:8px;
  margin-top:clamp(12px,2vw,18px);font-size:.95rem;font-weight:700;color:var(--c-primary-dark);
}
.coverage-map-note .fa-map-note-icon{color:var(--c-accent);font-size:1.05rem;}
@keyframes mapDotBlink{
  0%,100%{opacity:.25;}
  50%{opacity:1;}
}
@keyframes mapDotPulse{
  0%{opacity:.75;transform:scale(1);}
  100%{opacity:0;transform:scale(3);}
}
@media (max-width:600px){
  .coverage-map text{font-size:9px;}
}

/* Whatsapp floating button */
.float-whatsapp{
  position:fixed;left:22px;bottom:22px;width:58px;height:58px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(0,0,0,.25);z-index:90;
}
.float-whatsapp svg{width:28px;height:28px;color:#fff;}
.float-whatsapp .fa-whatsapp-float{font-size:1.55rem;color:#fff;line-height:1;}


.slide-art img,.feature-art img.about-photo{width:100%;max-width:520px;height:auto;border-radius:24px;position:relative;z-index:1;margin:0 auto;display:block;}
.article-thumb img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.logo-mark--img{display:flex;align-items:center;height:72px;max-width:min(280px,42vw);}
.logo-mark--img img{width:auto;height:100%;max-height:72px;max-width:min(280px,42vw);object-fit:contain;}
@media (max-width:900px){
  .logo-mark--img{height:56px;max-width:min(200px,52vw);}
  .logo-mark--img img{max-height:56px;max-width:min(200px,52vw);}
}

/* Hero — full-width image slider */
.hero-images-only{
  width:100%;max-width:100vw;margin:0;padding:0;line-height:0;
  background:var(--c-bg);overflow:hidden;
}
.hero-images-only .hero-slider-outer{
  position:relative;line-height:0;
  width:100%;max-width:100%;
  height:min(42.857vw,52vh,520px);
  min-height:clamp(180px,28vw,520px);
}
.hero-images-only .slides-full{
  position:absolute;inset:0;overflow:hidden;width:100%;height:100%;
}
.hero-images-only .slide-full{
  position:absolute;inset:0;opacity:0;transition:opacity .75s ease;
  margin:0;padding:0;display:block;width:100%;height:100%;
}
.hero-images-only .slide-full.active{opacity:1;z-index:1;}
.hero-images-only .slide-full-img{
  width:100%;height:100%;max-width:none;object-fit:cover;object-position:center;
  display:block;
}
.hero-images-only .slide-full-placeholder{
  width:100%;height:100%;
  background:linear-gradient(135deg,var(--c-primary-dark),var(--c-primary));
}
.hero-images-only .hero-slide-fade{
  position:absolute;inset-inline:0;bottom:0;height:38%;z-index:2;pointer-events:none;
  background:linear-gradient(to top,rgba(244,249,251,.88) 0%,rgba(244,249,251,.28) 42%,transparent 100%);
}
.hero-images-only .hero-slide-edge{
  position:absolute;inset-inline:0;bottom:-1px;z-index:3;pointer-events:none;line-height:0;width:100%;
}
.hero-images-only .hero-slide-edge svg{
  display:block;width:100%;height:clamp(40px,7vw,80px);
}
.hero-images-only .hero-slide-edge path{fill:var(--c-bg);}
.hero-images-only .slide-arrow{top:50%;transform:translateY(-50%);z-index:4;}
.hero-images-only .slide-arrow.prev{right:14px;}
.hero-images-only .slide-arrow.next{left:14px;}
.hero-images-only .dots{bottom:clamp(48px,9vw,68px);z-index:4;}
.hero-images-only + .section.feature{padding-top:36px;}
@media (max-width:760px){
  .hero-images-only .hero-slider-outer{
    height:min(62.5vw,46vh,420px);
    min-height:180px;
  }
  .hero-images-only .slide-arrow{display:none;}
  .hero-images-only + .section.feature{padding-top:28px;}
}
.nav-links li{list-style:none;}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(11,61,92,.45);
  opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s;
  border:none;padding:0;cursor:pointer;z-index:2;
}
.nav-backdrop.open{opacity:1;visibility:visible;}
body.menu-open{overflow:hidden;}
body.menu-open .site-header{z-index:220;}