:root{--navy:#0a1930;--navy2:#12294a;--steel:#9fb3cd;--ink:#1e293b;--muted:#64748b;--bg:#f6f8fb;--line:#eef2f7;--amber:#f59e0b;--orange:#ea580c;--grad:linear-gradient(120deg,#f59e0b,#ea580c);--radius:20px;--shadow:0 10px 30px rgba(10,25,48,.10)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Vazirmatn',Tahoma,sans-serif;direction:rtl;text-align:right;background:var(--bg);color:var(--ink);line-height:1.9;overflow-x:hidden}
a{text-decoration:none;color:inherit}ul{list-style:none}img{display:block}
.container{max-width:1200px;margin:0 auto;padding:0 22px}
::selection{background:var(--amber);color:#fff}
.reveal{opacity:0;transform:translateY(30px);transition:all .8s cubic-bezier(.2,.7,.3,1)}
.reveal.visible{opacity:1;transform:none}
strong{color:var(--navy);font-weight:800}

#header{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);transition:.35s;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.nav-container{display:flex;align-items:center;gap:26px;padding:16px 22px}
.logo{font-size:1.4rem;font-weight:900;color:var(--navy)}
#nav{margin-right:auto}
.nav-links{display:flex;gap:26px}
.nav-links a{position:relative;padding:6px 2px;font-weight:600;color:#334155;transition:.3s}
.nav-links a::after{content:'';position:absolute;bottom:0;right:0;width:100%;height:2px;border-radius:2px;background:var(--grad);transform:scaleX(0);transform-origin:right;transition:.35s}
.nav-links a:hover,.nav-links a.active{color:var(--navy)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.header-actions{display:flex;gap:14px;align-items:center}
.mobile-menu-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;z-index:960;padding:6px}
.mobile-menu-btn span{width:26px;height:3px;border-radius:3px;background:var(--navy);transition:.35s}
body.menu-open .mobile-menu-btn span:nth-child(1){transform:translateY(8px) rotate(45deg)}
body.menu-open .mobile-menu-btn span:nth-child(2){opacity:0}
body.menu-open .mobile-menu-btn span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

.btn{display:inline-block;padding:13px 32px;border-radius:12px;font-weight:800;font-size:.95rem;border:none;cursor:pointer;transition:.3s;font-family:inherit}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(234,88,12,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(234,88,12,.45)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.45);color:#fff;backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{transform:translateY(-3px)}

.hero-slider{position:relative;height:min(92vh,860px);min-height:560px;overflow:hidden;background:var(--navy)}
.hero-static{background:linear-gradient(140deg,var(--navy),var(--navy2));padding:120px 0;text-align:center;position:relative;overflow:hidden}
.hero-static::before{content:'';position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(245,158,11,.12);top:-160px;left:-120px}
.hero-static h1{color:#fff;font-size:clamp(1.8rem,4vw,2.8rem);font-weight:900;margin:18px 0 12px}
.hero-static p{color:var(--steel);max-width:640px;margin:0 auto 28px}
.hero-static .slide-btns{justify-content:center}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease;pointer-events:none}
.slide.active{opacity:1;pointer-events:auto}
.slide-bg{position:absolute;inset:0;background-position:center;background-size:cover;transform:scale(1.12);transition:transform 6.5s ease-out}
.slide.active .slide-bg{transform:scale(1)}
.slide-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,18,35,.35) 0%,rgba(8,18,35,.55) 45%,rgba(8,18,35,.93) 100%)}
.slide-content{position:relative;height:100%;display:flex;align-items:center}
.slide-tag{display:inline-block;padding:8px 18px;border:1px solid rgba(245,158,11,.6);background:rgba(245,158,11,.12);backdrop-filter:blur(4px);color:#fbbf24;border-radius:999px;font-size:.8rem;font-weight:700}
.slide h2{color:#fff;font-size:clamp(2rem,5vw,3.4rem);font-weight:900;margin:18px 0 10px;line-height:1.3;text-shadow:0 4px 24px rgba(0,0,0,.45)}
.slide p{color:#cbd5e0;max-width:560px;font-size:1.05rem}
.slide-btns{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.slide .slide-tag,.slide h2,.slide p,.slide-btns{opacity:0;transform:translateY(34px);transition:all .8s cubic-bezier(.2,.7,.3,1)}
.slide.active .slide-tag{opacity:1;transform:none;transition-delay:.25s}
.slide.active h2{opacity:1;transform:none;transition-delay:.4s}
.slide.active p{opacity:1;transform:none;transition-delay:.55s}
.slide.active .slide-btns{opacity:1;transform:none;transition-delay:.7s}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);backdrop-filter:blur(8px);color:#fff;font-size:26px;cursor:pointer;transition:.3s;z-index:5}
.slider-arrow:hover{background:var(--grad);border-color:transparent}
.slider-arrow.prev{right:26px}.slider-arrow.next{left:26px}
.slider-dots{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:5}
.dot{width:10px;height:10px;border-radius:999px;border:none;padding:0;background:rgba(255,255,255,.35);cursor:pointer;transition:.35s}
.dot.active{width:34px;background:var(--grad)}
.slider-progress{position:absolute;bottom:0;left:0;right:0;height:3px;background:rgba(255,255,255,.12);z-index:5}
.slider-progress span{display:block;height:100%;width:0;background:var(--grad)}
@keyframes progress{from{width:0}to{width:100%}}

.section{padding:90px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 50px}
.pill{background:rgba(245,158,11,.12);color:#b45309;padding:6px 18px;border-radius:999px;font-size:.8rem;font-weight:700;display:inline-block}
.section-head h2{color:var(--navy);font-size:2.1rem;font-weight:900;margin:14px 0 8px}
.section-head p{color:var(--muted)}

.about-home{background:#fff}
.about-home-inner{max-width:820px;margin:0 auto;text-align:justify}
.about-home-inner h2{color:var(--navy);font-size:1.8rem;font-weight:900;margin:14px 0 20px;text-align:center}
.about-home-inner p{color:var(--muted);margin-bottom:16px;line-height:2}
.about-home-inner .btn{margin-top:10px}

.categories-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.cat-card{position:relative;display:block;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow)}
.cat-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s}
.cat-card:hover img{transform:scale(1.09)}
.cat-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,25,48,0) 35%,rgba(10,25,48,.9))}
.cat-arrow{position:absolute;top:14px;left:14px;width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.15);backdrop-filter:blur(6px);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;opacity:0;transform:translateY(-8px);transition:.35s}
.cat-card:hover .cat-arrow{opacity:1;transform:none}
.cat-body{position:absolute;bottom:0;right:0;left:0;padding:20px;color:#fff}
.cat-body h3{font-size:1.12rem;font-weight:800}
.cat-body p{font-size:.83rem;color:#cbd5e0;opacity:0;max-height:0;overflow:hidden;transition:.45s}
.cat-card:hover .cat-body p{opacity:1;max-height:80px;margin-top:6px}

.album-section{background:#fff}
.album-chips{justify-content:center;margin-bottom:34px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.chip{padding:8px 18px;border-radius:999px;background:#e8edf4;color:var(--navy);font-size:.84rem;font-weight:600;transition:.3s;border:none;cursor:pointer;font-family:inherit}
.chip:hover{background:#d7e0ec}
.chip.active{background:var(--navy);color:#fff}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.album-grid{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.gallery-item{position:relative;border-radius:16px;overflow:hidden;margin:0;cursor:zoom-in;background:#fff;transition:opacity .25s,transform .25s}
.gallery-item img{width:100%;height:230px;object-fit:cover;transition:transform .5s}
.gallery-item:hover img{transform:scale(1.06)}
.zoom{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(10,25,48,.35);color:#fff;font-size:34px;opacity:0;transition:.3s;pointer-events:none}
.gallery-item:hover .zoom{opacity:1}
.album-cap{position:absolute;bottom:0;right:0;left:0;background:linear-gradient(0deg,rgba(10,25,48,.88),transparent);color:#fff;font-size:.78rem;padding:28px 12px 8px;opacity:0;transition:.3s;pointer-events:none}
.gallery-item:hover .album-cap{opacity:1}
.gallery-item.fade-out{opacity:0;transform:scale(.95)}
.gallery-item.hide{display:none}
.cat-cta{margin-top:40px;text-align:center}
.empty{color:var(--muted);background:#fff;padding:30px;border-radius:16px;text-align:center}

.lightbox{position:fixed;inset:0;background:rgba(4,10,20,.94);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:.35s;z-index:1200}
.lightbox.open{opacity:1;pointer-events:auto}
.lightbox img{max-width:88vw;max-height:80vh;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lightbox button{position:absolute;width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;font-size:26px;cursor:pointer;transition:.3s}
.lightbox button:hover{background:var(--grad)}
.lb-close{top:24px;left:24px}
.lb-prev{top:50%;right:24px;transform:translateY(-50%)}
.lb-next{top:50%;left:24px;transform:translateY(-50%)}
.lb-meta{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);display:flex;gap:16px;align-items:center;background:rgba(255,255,255,.1);backdrop-filter:blur(8px);border-radius:999px;padding:8px 20px;color:#fff;font-size:.85rem;max-width:80vw}
.lb-counter{color:#fbbf24;font-weight:700;white-space:nowrap}

.cta-band{background:var(--grad);padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-inner h3{color:#fff;font-size:1.7rem;font-weight:900}
.cta-inner p{color:rgba(255,255,255,.85)}

.page-hero{position:relative;padding:120px 0 60px;background:linear-gradient(140deg,var(--navy),var(--navy2));overflow:hidden}
.page-hero::before{content:'';position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(245,158,11,.12);top:-160px;left:-120px}
.page-hero::after{content:'';position:absolute;width:300px;height:300px;border-radius:50%;background:rgba(34,211,238,.08);bottom:-140px;right:-80px}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{color:var(--steel);font-size:.85rem;margin-bottom:14px}
.breadcrumb a:hover{color:#fbbf24}
.breadcrumb b{color:#fbbf24}
.page-hero h1{color:#fff;font-size:2.3rem;font-weight:900}
.page-hero p{color:var(--steel);max-width:600px}

.products-layout{display:grid;grid-template-columns:250px 1fr;gap:34px;align-items:start}
.cat-tree{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:sticky;top:90px}
.cat-tree h3{color:var(--navy);font-size:1.05rem;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--line)}
.cat-tree ul{list-style:none}
.cat-tree ul ul{padding-right:14px;border-right:2px solid var(--line);margin:6px 0}
.cat-tree li{margin:4px 0}
.cat-tree a{display:block;padding:6px 10px;border-radius:8px;font-size:.88rem;color:var(--ink);transition:.25s}
.cat-tree a:hover{background:rgba(245,158,11,.12);color:#b45309;padding-right:14px}
.sub-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-bottom:40px}
.inner-title{color:var(--navy);font-size:1.4rem;font-weight:800;margin:10px 0 20px}

.checklist li{position:relative;padding-right:28px;margin-bottom:10px;color:var(--ink);font-weight:500}
.checklist li::before{content:'✔';position:absolute;right:0;color:var(--amber);font-weight:900}

.contact-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:30px;align-items:start}
.contact-cards{display:grid;gap:16px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;display:flex;gap:14px;align-items:flex-start;transition:.3s}
.info-card:hover{transform:translateX(-6px);box-shadow:var(--shadow)}
.i-icon{width:46px;height:46px;flex:0 0 46px;border-radius:14px;background:rgba(245,158,11,.14);display:flex;align-items:center;justify-content:center;font-size:20px}
.info-card strong{color:var(--navy)}
.info-card p{color:var(--muted);font-size:.9rem}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.contact-form h3{color:var(--navy);margin-bottom:18px}
.contact-form label{display:block;margin:14px 0 6px;font-weight:600;font-size:.9rem}
.contact-form input,.contact-form textarea{width:100%;padding:12px 14px;border:1.5px solid #e2e8f0;border-radius:12px;font-family:inherit;font-size:.92rem;transition:.3s;background:var(--bg)}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 4px rgba(245,158,11,.15);background:#fff}

footer{background:#081527;color:var(--steel);padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;padding-bottom:46px}
.footer-section h4{color:#fff;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-section h4::after{content:'';position:absolute;bottom:0;right:0;width:40px;height:3px;border-radius:3px;background:var(--grad)}
.footer-section p{font-size:.88rem;margin-bottom:8px}
.footer-section a{display:block;font-size:.88rem;margin-bottom:10px;transition:.3s}
.footer-section a:hover{color:#fbbf24;padding-right:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;text-align:center;font-size:.82rem}

#scrollProgress{position:fixed;top:0;right:0;height:3px;width:0;background:var(--grad);z-index:1100}
#backTop{position:fixed;bottom:26px;left:26px;width:50px;height:50px;border-radius:50%;border:none;background:var(--grad);color:#fff;font-size:20px;cursor:pointer;opacity:0;pointer-events:none;transform:translateY(16px);transition:.35s;z-index:950;box-shadow:0 10px 26px rgba(234,88,12,.4)}
#backTop.show{opacity:1;pointer-events:auto;transform:none}

@media(max-width:992px){
.footer-grid{grid-template-columns:1fr 1fr}
.products-layout{grid-template-columns:1fr}
.cat-tree{position:static}
.contact-grid{grid-template-columns:1fr}
#nav{position:fixed;inset:0;background:linear-gradient(160deg,var(--navy),var(--navy2));display:flex;align-items:center;justify-content:center;transform:translateY(-100%);transition:transform .45s;z-index:950}
body.menu-open #nav{transform:none}
.nav-links{flex-direction:column;align-items:center;gap:30px}
.nav-links a{color:#fff;font-size:1.25rem}
.mobile-menu-btn{display:flex}
}
@media(max-width:768px){
.section{padding:64px 0}
.slider-arrow{display:none}
.footer-grid{grid-template-columns:1fr}
}