/* ============================= RESET & TOKENS ============================= */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
:root{
  --navy:#0A2342;
  --navy-2:#0E2C52;
  --navy-3:#153a68;
  --blue:#1B5FAE;
  --blue-2:#2D74C4;
  --blue-light:#7FB1E8;
  --white:#FFFFFF;
  --off:#F3F6FA;
  --off-2:#E7EDF5;
  --ink:#13213A;
  --ink-soft:#52617A;
  --line:rgba(10,35,66,.12);
  --shadow:0 16px 40px -16px rgba(10,35,66,.30);
  --shadow-sm:0 6px 18px -8px rgba(10,35,66,.25);
  --radius:14px;
  /* alias‌های زیر برای هماهنگی با استایل داخلی booking-modal.php و فرم‌های سفارشی */
  --color-text:var(--ink);
  --color-text-muted:var(--ink-soft);
  --color-text-faint:var(--ink-soft);
  --color-border-strong:var(--line);
  --color-accent:var(--blue);
  --color-accent-soft:rgba(27,95,174,.12);
  --font-d:'Vazirmatn',Tahoma,sans-serif;
  --font-b:'Vazirmatn',Tahoma,sans-serif;
  --font-m:'IBM Plex Mono',monospace;
  --header-h:128px;
  --gutter-m:28px;
  --chevron:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='44' height='24'><path d='M0 2 L11 14 L22 2 L33 14 L44 2' fill='none' stroke='white' stroke-width='2' opacity='0.16'/></svg>");
  --chevron-navy:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='44' height='24'><path d='M0 2 L11 14 L22 2 L33 14 L44 2' fill='none' stroke='%230A2342' stroke-width='2' opacity='0.10'/></svg>");
  --cert-placeholder:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='300' height='400'><rect width='300' height='400' fill='%23FBFAF5'/><rect x='10' y='10' width='280' height='380' fill='none' stroke='%230A2342' stroke-width='3'/><rect x='18' y='18' width='264' height='364' fill='none' stroke='%231B5FAE' stroke-width='1'/><rect x='18' y='18' width='264' height='28' fill='%230A2342'/><path d='M18 32 L40 45 L62 32 L84 45 L106 32 L128 45 L150 32 L172 45 L194 32 L216 45 L238 32 L260 45 L282 32' fill='none' stroke='white' stroke-width='2' opacity='0.45'/><circle cx='150' cy='300' r='42' fill='none' stroke='%23C8A04B' stroke-width='4'/><circle cx='150' cy='300' r='32' fill='none' stroke='%23C8A04B' stroke-width='1.5'/><path d='M150 270 l6 13 14 2 -10 10 2 14 -12 -7 -12 7 2 -14 -10 -10 14 -2 z' fill='%23C8A04B'/><rect x='55' y='85' width='190' height='9' fill='%230A2342' opacity='0.85'/><rect x='75' y='106' width='150' height='5' fill='%239AA7B8'/><rect x='85' y='119' width='130' height='5' fill='%239AA7B8'/><rect x='65' y='155' width='170' height='5' fill='%23C7CFDA'/><rect x='85' y='168' width='130' height='5' fill='%23C7CFDA'/><rect x='75' y='181' width='150' height='5' fill='%23C7CFDA'/><rect x='100' y='362' width='100' height='4' fill='%231B5FAE'/></svg>");
}
html{scroll-behavior:smooth;overflow-x:hidden !important;max-width:100vw;}
body{
  font-family:var(--font-b);
  color:var(--ink);
  background:var(--white);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden !important;
  max-width:100vw;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit;}
ul{list-style:none;}
.icon{width:20px;height:20px;stroke:currentColor;flex-shrink:0;}
.container{max-width:1240px;margin-inline:auto;padding-inline:24px;}
h1,h2,h3{font-family:var(--font-d);font-weight:800;color:var(--navy);line-height:1.28;}
.mono{font-family:var(--font-m);direction:ltr;unicode-bidi:isolate;letter-spacing:.02em;}
:focus-visible{outline:3px solid var(--blue-2);outline-offset:3px;border-radius:4px;}
section{scroll-margin-top:var(--header-h);}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;}
}

/* ============================= UTILITY BITS ============================= */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--blue);
  letter-spacing:.02em;margin-bottom:10px;
}
.eyebrow::before{content:'';width:18px;height:2px;background:var(--blue);border-radius:2px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:10px;font-weight:700;font-size:15px;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--blue-2),var(--navy-3));color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 30px -12px rgba(10,35,66,.4);}
.btn-ghost{background:#fff;color:var(--navy);border:1.5px solid var(--line);}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue);}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.35);}
.btn-light:hover{background:rgba(255,255,255,.24);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(24px,3vw,34px);}
.more-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--blue);font-size:15px;}
.more-link .icon{width:16px;height:16px;transition:transform .2s;}
.more-link:hover .icon{transform:translateX(-4px);}
html[dir="ltr"] .more-link:hover .icon{transform:translateX(4px) scaleX(-1);}
.more-link .icon{transform:scaleX(-1);} /* arrow icon points start-ward for RTL by default */
html[dir="ltr"] .more-link .icon{transform:scaleX(1);}

/* belt divider strip — signature element */
.belt-divider{
  height:34px;background-color:var(--navy);
  background-image:var(--chevron);
  background-repeat:repeat-x;background-size:44px 24px;background-position:0 50%;
  animation:beltmove 6s linear infinite;
}
@keyframes beltmove{from{background-position:0 50%;}to{background-position:176px 50%;}}

/* ============================= TOP UTILITY BAR ============================= */
.topbar{
  background:var(--navy);color:#cfe0f5;font-size:13px;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:38px;}
.topbar-contacts{display:flex;align-items:center;gap:18px;}
.topbar-contacts a{display:flex;align-items:center;gap:6px;opacity:.92;transition:opacity .15s;}
.topbar-contacts a:hover{opacity:1;color:#fff;}
.topbar-contacts .icon{width:15px;height:15px;}
.topbar-right{display:flex;align-items:center;gap:16px;}
.lang-switch{display:flex;align-items:center;gap:6px;border:1px solid rgba(255,255,255,.25);border-radius:20px;padding:3px 4px;}
.lang-switch button{
  font-size:12.5px;font-weight:700;padding:4px 11px;border-radius:16px;color:#cfe0f5;
  font-family:var(--font-m);
}
.lang-switch button.active{background:#fff;color:var(--navy);}
.search-trigger{display:flex;align-items:center;gap:6px;opacity:.92;}
.search-trigger:hover{opacity:1;}
.search-trigger .icon{width:16px;height:16px;}

/* ============================= MAIN HEADER ============================= */
header.site{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);}
.header-main{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:90px;transition:height .2s ease,box-shadow .2s ease;
}
header.site.scrolled .header-main{height:72px;box-shadow:0 6px 24px -10px rgba(10,35,66,.18);}
.logo{display:flex;align-items:center;font-family:var(--font-d);min-width:0;}
.logo-mark{
  width:72px;height:72px;border-radius:14px;flex-shrink:0;
  background:linear-gradient(135deg,var(--navy),var(--blue));
  display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;
}
.logo-mark::after{
  content:'';position:absolute;inset:0;background-image:var(--chevron);background-size:46px 24px;
  background-position:0 60%;opacity:.7;
}
.logo-mark span{position:relative;z-index:1;color:#fff;font-weight:900;font-size:26px;}

nav.main-nav{display:flex;align-items:center;gap:30px;}
nav.main-nav a{
  font-weight:600;font-size:15px;color:var(--ink);position:relative;padding:6px 0;
}
nav.main-nav a::after{
  content:'';position:absolute;bottom:0;inset-inline-start:0;width:0;height:2px;background:var(--blue);
  transition:width .2s ease;
}
nav.main-nav a:hover::after,nav.main-nav a.active::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:14px;}
.hamburger{display:none;width:42px;height:42px;align-items:center;justify-content:center;border-radius:9px;background:var(--off);}
.hamburger .icon{width:22px;height:22px;}

/* search overlay */
.search-panel{
  position:absolute;inset-inline:0;top:100%;background:#fff;border-top:1px solid var(--line);
  box-shadow:var(--shadow);padding:18px 0;display:none;
}
.search-panel.open{display:block;}
.search-panel form{display:flex;gap:10px;align-items:center;}
.search-panel input{
  flex:1;border:1.5px solid var(--line);border-radius:10px;padding:12px 16px;font-size:15px;
  font-family:inherit;color:var(--ink);
}
.search-panel input:focus{border-color:var(--blue);}
.search-panel .close-search{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:9px;background:var(--off);}

/* mobile nav overlay */
.mobile-overlay{
  position:fixed;inset:0;z-index:90;background:var(--navy);color:#fff;
  transform:translateX(110%);transition:transform .32s ease;display:flex;flex-direction:column;
}
html[dir="ltr"] .mobile-overlay{transform:translateX(-110%);}
.mobile-overlay.open{transform:translateX(0);}
.mobile-overlay-top{display:flex;align-items:center;justify-content:space-between;padding:20px var(--gutter-m);border-bottom:1px solid rgba(255,255,255,.12);}
.mobile-overlay-top .close-m{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:9px;background:rgba(255,255,255,.1);color:#fff;}
.mobile-nav{display:flex;flex-direction:column;padding:18px var(--gutter-m);gap:4px;overflow-y:auto;}
.mobile-nav a{padding:15px 4px;font-size:18px;font-weight:700;border-bottom:1px solid rgba(255,255,255,.08);}
.mobile-extra{margin-top:auto;padding:20px var(--gutter-m);border-top:1px solid rgba(255,255,255,.12);display:flex;flex-direction:column;gap:16px;}
.mobile-extra .lang-switch{border-color:rgba(255,255,255,.3);align-self:flex-start;}
.mobile-socials{display:flex;gap:12px;}
.mobile-socials a{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.1);border-radius:10px;}

/* ============================= HERO ============================= */
.hero{position:relative;overflow:hidden;background:var(--navy);}
.hero-slides{position:relative;height:min(460px,62vh);min-height:300px;}
.hero-slide{
  position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .7s ease;
}
.hero-slide.active{opacity:1;visibility:visible;}
.hero-slide .pattern-bg{position:absolute;inset:0;}
.hero-slide .pattern-bg .base{position:absolute;inset:0;}
.hero-slide:nth-child(1) .base{background:radial-gradient(circle at 80% 20%,var(--blue-2),var(--navy) 60%);}
.hero-slide:nth-child(2) .base{background:radial-gradient(circle at 15% 75%,var(--navy-3),var(--navy) 65%);}
.hero-slide:nth-child(3) .base{background:radial-gradient(circle at 75% 80%,#1d4d8c,var(--navy) 60%);}
.hero-slide .pattern-bg .chevrons{
  position:absolute;inset:0;background-image:var(--chevron);background-size:64px 36px;
  opacity:.55;animation:beltmove 9s linear infinite;
}

.hero-controls{position:absolute;bottom:22px;inset-inline:0;display:flex;align-items:center;justify-content:center;gap:18px;z-index:4;}
.hero-arrow{width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.3);display:flex;align-items:center;justify-content:center;color:#fff;transition:background .2s;}
.hero-arrow:hover{background:rgba(255,255,255,.25);}
.hero-arrow .icon{width:18px;height:18px;}
.hero-dots{display:flex;gap:9px;}
.hero-dots button{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.35);transition:all .2s;}
.hero-dots button.active{background:#fff;width:24px;border-radius:5px;}

/* ============================= ABOUT ============================= */
.about{padding:90px 0;background:#fff;}
.about-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:64px;align-items:center;}
.about-art{position:relative;border-radius:20px;overflow:hidden;height:420px;background:linear-gradient(150deg,var(--off-2),var(--off));border:1px solid var(--line);}
.about-art .swatch{position:absolute;border-radius:16px;box-shadow:var(--shadow-sm);overflow:hidden;}
.about-art .swatch .tex{position:absolute;inset:0;background-size:36px 20px;background-repeat:repeat;}
.swatch.s1{width:62%;height:58%;inset-inline-start:6%;top:8%;}
.swatch.s1 .base{position:absolute;inset:0;background:linear-gradient(135deg,var(--navy),var(--blue-2));}
.swatch.s1 .tex{background-image:var(--chevron);opacity:.65;}
.swatch.s2{width:46%;height:42%;inset-inline-end:6%;bottom:7%;}
.swatch.s2 .base{position:absolute;inset:0;background:linear-gradient(135deg,var(--blue),var(--navy-3));}
.swatch.s2 .tex{background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.18) 0 6px,transparent 6px 16px);}
.swatch.s3{width:30%;height:24%;inset-inline-start:14%;bottom:10%;background:var(--navy);}
.swatch.s3 .label{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--font-m);font-size:12px;font-weight:600;text-align:center;padding:6px;}
.about-text h2{font-size:clamp(24px,3.2vw,34px);margin-bottom:18px;}
.about-text p{color:var(--ink-soft);font-size:16px;margin-bottom:26px;}
.feature-list{display:flex;flex-direction:column;gap:14px;margin-bottom:30px;}
.feature-list li{display:flex;align-items:flex-start;gap:12px;font-weight:600;color:var(--navy);}
.feature-list li .tick{width:26px;height:26px;border-radius:8px;background:var(--off-2);color:var(--blue);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.feature-list li .tick .icon{width:15px;height:15px;}

/* ============================= CAROUSEL SHARED ============================= */
.carousel-wrap{position:relative;}
.carousel-track{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;scrollbar-width:none;}
.carousel-track::-webkit-scrollbar{display:none;}
.carousel-nav{display:flex;gap:10px;}
.carousel-nav button{width:44px;height:44px;border-radius:50%;border:1.5px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--navy);transition:all .2s;}
.carousel-nav button:hover{background:var(--navy);color:#fff;border-color:var(--navy);}
.carousel-nav .icon{width:18px;height:18px;}

/* ============================= PRODUCTS ============================= */
.products{padding:90px 0;background:var(--off);}
.product-card{
  scroll-snap-align:start;flex:0 0 290px;background:#fff;border-radius:16px;border:1px solid var(--line);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
}
.product-thumb{height:160px;position:relative;}
.product-thumb .tex{position:absolute;inset:0;background-size:36px 20px;}
.product-card:nth-child(1) .product-thumb{background:linear-gradient(140deg,var(--navy),var(--blue-2));}
.product-card:nth-child(2) .product-thumb{background:linear-gradient(140deg,var(--blue),var(--navy-3));}
.product-card:nth-child(3) .product-thumb{background:linear-gradient(140deg,#235a99,var(--navy));}
.product-card:nth-child(4) .product-thumb{background:linear-gradient(140deg,var(--navy-3),#0a1830);}
.product-card:nth-child(5) .product-thumb{background:linear-gradient(140deg,var(--blue-2),var(--navy));}
.product-card:nth-child(6) .product-thumb{background:linear-gradient(140deg,#2d74c4,#163864);}
.product-thumb .tex{background-image:var(--chevron);opacity:.5;}
.product-thumb .ref{position:absolute;inset-inline-end:10px;top:10px;background:rgba(255,255,255,.16);color:#fff;font-family:var(--font-m);font-size:11px;padding:4px 9px;border-radius:6px;backdrop-filter:blur(2px);}
.product-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.product-body h3{font-size:16.5px;color:var(--navy);}
.product-body p{font-size:13.5px;color:var(--ink-soft);flex:1;}
.product-body .more-link{font-size:13.5px;margin-top:6px;}

/* ============================= CATALOG BAND ============================= */
.catalog-band{
  background:linear-gradient(120deg,var(--navy) 0%,var(--navy-3) 60%,var(--blue) 130%);
  position:relative;overflow:hidden;padding:56px 0;
}
.catalog-band::before{content:'';position:absolute;inset:0;background-image:var(--chevron);background-size:54px 30px;opacity:.18;}
.catalog-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;color:#fff;}
.catalog-inner.catalog-inner-multi{flex-direction:column;align-items:stretch;gap:0;}
.catalog-item{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;width:100%;}
.catalog-inner-multi .catalog-item{padding:22px 0;border-bottom:1px solid rgba(255,255,255,.16);}
.catalog-inner-multi .catalog-item:last-child{border-bottom:none;padding-bottom:0;}
.catalog-inner-multi .catalog-item:first-child{padding-top:0;}
.catalog-text{display:flex;align-items:center;gap:18px;}
.catalog-text .ic{width:58px;height:58px;border-radius:14px;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.catalog-text .ic .icon{width:28px;height:28px;}
.catalog-text h3{color:#fff;font-size:21px;margin-bottom:4px;}
.catalog-text p{color:#cfe0f5;font-size:14.5px;}

/* ============================= CERTIFICATES ============================= */
.certs{
  position:relative;padding:100px 0;overflow:hidden;
  background:linear-gradient(180deg,#F7F9FC 0%,#FFFFFF 55%,#F3F6FA 100%);
}
.certs-bg{
  position:absolute;inset:0;pointer-events:none;
  background-image:var(--chevron-navy);background-size:56px 30px;opacity:.35;
  mask-image:linear-gradient(180deg,transparent,#000 18%,#000 82%,transparent);
}
.certs .container{position:relative;z-index:1;}
.certs-head{align-items:flex-end;}
.certs-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.certs-more{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;
  color:var(--blue);padding:8px 4px;transition:color .2s, gap .2s;
}
.certs-more:hover{color:var(--navy);gap:12px;}
.certs-more .icon{width:16px;height:16px;}
.certs-carousel{margin-top:8px;}
.certs-carousel::before,
.certs-carousel::after{
  content:'';position:absolute;top:0;bottom:18px;width:48px;z-index:2;pointer-events:none;
}
.certs-carousel::before{
  inset-inline-start:0;
  background:linear-gradient(to left,transparent,#F7F9FC);
}
.certs-carousel::after{
  inset-inline-end:0;
  background:linear-gradient(to right,transparent,#F7F9FC);
}
html[dir="ltr"] .certs-carousel::before{background:linear-gradient(to right,transparent,#F7F9FC);}
html[dir="ltr"] .certs-carousel::after{background:linear-gradient(to left,transparent,#F7F9FC);}
.cert-card{
  scroll-snap-align:start;flex:0 0 220px;display:flex;flex-direction:column;gap:14px;
}
.cert-photo{
  position:relative;aspect-ratio:3/4;border-radius:16px;overflow:hidden;
  display:block;background:#fff;
  border:1px solid rgba(10,35,66,.10);
  box-shadow:0 10px 28px -14px rgba(10,35,66,.28), inset 0 0 0 1px rgba(200,160,75,.18);
  transition:transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s ease;
}
.cert-photo img{
  width:100%;height:100%;object-fit:contain;object-position:center;
  background:
    linear-gradient(145deg,#FBFAF5 0%,#fff 40%,#F3F6FA 100%);
  padding:14px;transition:transform .45s ease;
}
.cert-photo--empty{
  background-image:var(--cert-placeholder);background-size:cover;background-position:center;
}
.cert-zoom{
  position:absolute;inset-inline-end:12px;bottom:12px;width:36px;height:36px;border-radius:50%;
  background:rgba(10,35,66,.88);color:#fff;display:flex;align-items:center;justify-content:center;
  opacity:0;transform:translateY(8px);transition:opacity .25s ease, transform .25s ease;
  box-shadow:0 8px 18px -8px rgba(10,35,66,.45);
}
.cert-card:hover .cert-photo{
  transform:translateY(-8px);
  box-shadow:0 22px 40px -18px rgba(10,35,66,.38), inset 0 0 0 1px rgba(200,160,75,.35);
}
.cert-card:hover .cert-photo img{transform:scale(1.04);}
.cert-card:hover .cert-zoom{opacity:1;transform:translateY(0);}
.cert-caption{text-align:center;padding:0 6px;}
.cert-card b{display:block;font-family:var(--font-m);font-size:13.5px;color:var(--navy);margin-bottom:3px;}
.cert-card span{font-size:12.5px;color:var(--ink-soft);}

/* Cert lightbox */
.cert-lb-overlay{
  display:none;position:fixed;inset:0;z-index:9999;background:rgba(8,18,34,.92);
  align-items:center;justify-content:center;padding:24px;
  backdrop-filter:blur(4px);
}
.cert-lb-overlay.is-open{display:flex;}
.cert-lb-overlay img{
  max-width:min(920px,92vw);max-height:82vh;border-radius:10px;
  box-shadow:0 24px 60px -20px rgba(0,0,0,.55);background:#fff;object-fit:contain;
}
.cert-lb-overlay .cert-lb-cap{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);
  color:#fff;font-size:14px;text-align:center;max-width:80vw;
}
.cert-lb-overlay .cert-lb-close,
.cert-lb-overlay .cert-lb-nav{
  position:absolute;border:0;background:rgba(255,255,255,.12);color:#fff;
  width:44px;height:44px;border-radius:50%;font-size:22px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:background .2s;
}
.cert-lb-overlay .cert-lb-close{top:18px;inset-inline-end:18px;font-size:28px;line-height:1;}
.cert-lb-overlay .cert-lb-prev{inset-inline-start:18px;top:50%;transform:translateY(-50%);}
.cert-lb-overlay .cert-lb-next{inset-inline-end:18px;top:50%;transform:translateY(-50%);}
.cert-lb-overlay .cert-lb-close:hover,
.cert-lb-overlay .cert-lb-nav:hover{background:rgba(255,255,255,.22);}

/* ============================= FOOTER ============================= */
footer.site{background:var(--navy);color:#cfe0f5;position:relative;}
footer.site .belt-top{height:8px;background-image:var(--chevron);background-size:44px 24px;opacity:.5;}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1.2fr);gap:40px;padding-block:64px 40px;min-width:0;}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px;font-family:var(--font-d);}
.footer-col p{font-size:14px;color:#9fb9da;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{font-size:14px;color:#cfe0f5;transition:color .15s;}
.footer-col ul a:hover{color:#fff;}
.footer-col .contact-item{display:flex;align-items:flex-start;gap:10px;font-size:14px;margin-bottom:14px;color:#cfe0f5;}
.footer-col .contact-item .icon{width:17px;height:17px;color:var(--blue-light);margin-top:2px;}
.footer-socials{display:flex;gap:10px;}
.footer-socials a{width:38px;height:38px;border-radius:9px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;transition:background .2s;}
.footer-socials a:hover{background:rgba(255,255,255,.18);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-block:20px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:#8aa6c9;flex-wrap:wrap;gap:10px;}

/* ============================= FLOATING CONTACT ============================= */
.floating-contact{position:fixed;bottom:22px;inset-inline-start:22px;z-index:70;display:flex;flex-direction:column;gap:12px;}
.floating-contact a{
  width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;box-shadow:0 10px 24px -8px rgba(10,35,66,.5);transition:transform .2s;
}
.floating-contact a:hover{transform:scale(1.08);}
.floating-contact a .icon{width:24px;height:24px;}
.fc-whatsapp{background:#2bb24c;}
.fc-telegram{background:#229ed9;}
.fc-call{background:var(--blue);}

/* ============================= RESPONSIVE ============================= */
@media (max-width:980px){
  .about-grid{grid-template-columns:minmax(0,1fr);gap:40px;}
  .about-art{height:320px;order:2;}
  .footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:30px;}
}
@media (max-width:860px){
  nav.main-nav{display:none;}
  .topbar-contacts{display:none;}
  .hamburger{display:flex;}
  .header-main{height:74px;}
  .logo-mark{width:56px;height:56px;border-radius:12px;}
}
@media (max-width:600px){
  :root{--header-h:64px;}
  .container{padding-inline:var(--gutter-m);}
  .topbar .container{height:34px;}
  .topbar-right{gap:10px;}
  .search-trigger span{display:none;}
  .hero-slides{height:280px;}
  .about,.products,.certs{padding:60px 0;}
  .certs-carousel::before,.certs-carousel::after{width:24px;}
  .cert-card{flex-basis:170px;}
  .cert-zoom{opacity:1;transform:none;width:32px;height:32px;}
  .certs-actions{width:100%;justify-content:space-between;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  footer.site .footer-grid{padding-block:40px 28px;max-width:100%;}
  footer.site .footer-bottom{padding-block:16px;max-width:100%;}
  .catalog-inner{flex-direction:column;align-items:flex-start;}
  .catalog-item{flex-direction:column;align-items:flex-start;}
  .catalog-item .btn{width:100%;justify-content:center;}
  .catalog-inner .btn{width:100%;justify-content:center;}
  .product-card{flex-basis:240px;}
  .floating-contact{bottom:16px;inset-inline-start:var(--gutter-m);}
  .floating-contact a{width:46px;height:46px;}
  .floating-contact a .icon{width:21px;height:21px;}
}