@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;500;600;700;800&display=swap');

:root{--navy:#071f35;--navy-2:#0c3049;--green:#063f38;--green-2:#0c5a48;--primary:#f26d45;--primary-dark:#e95732;--primary-soft:#fff0eb;--text:#14273b;--muted:#657384;--border:#e4e9ef;--bg:#fff;--soft:#f7f9fb;--shadow:0 5px 22px rgba(16,43,68,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Vazirmatn,Tahoma,Arial,sans-serif;line-height:1.8}button,a{font:inherit}button{cursor:pointer}a{text-decoration:none;color:inherit}.container{width:min(1160px,calc(100% - 40px));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid #edf0f4;backdrop-filter:blur(10px)}.header-inner{min-height:76px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px}.brand{grid-column:1;justify-self:start;display:flex;align-items:center;gap:9px}.brand-mark{width:39px;height:39px;border:2px solid var(--navy);border-radius:11px;display:grid;place-items:center;position:relative}.brand-mark:before{content:"";width:16px;height:16px;border:2px solid var(--primary);border-radius:50%}.brand-mark span{position:absolute;width:5px;height:5px;background:var(--primary);border-radius:50%}.brand-copy strong{display:block;font-size:20px;letter-spacing:1px;line-height:1.2}.brand-copy small{display:block;color:#6e7782;font-size:16px;line-height:1.4}.desktop-nav{grid-column:2;display:flex;align-items:center;justify-content:center;gap:31px;white-space:nowrap}.desktop-nav a{font-size:16px;font-weight:600;padding:20px 4px 15px;border-bottom:2px solid transparent}.desktop-nav a.active,.desktop-nav a:hover{color:var(--primary);border-bottom-color:var(--primary)}.header-actions{grid-column:3;justify-self:end;display:flex;align-items:center;gap:17px}.action{position:relative;display:flex;align-items:center;gap:6px;border:0;background:transparent;color:#24364a;font-size:16px}.user-icon svg,.cart-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.menu-toggle{display:none;border:0;background:none;font-size:26px;color:var(--navy)}
.hero{position:relative}.hero-slider{height:315px;position:relative;overflow:hidden;background:var(--navy)}.hero-bg{position:absolute;inset:0;opacity:0;transition:opacity .5s ease}.hero-bg-one{opacity:1;background:radial-gradient(ellipse at 15% 110%,#0c6a5c 0 20%,transparent 47%),radial-gradient(ellipse at 70% 0%,#0a4560 0 24%,transparent 48%),linear-gradient(125deg,#041a30 0%,#092e47 48%,#06463c 100%)}.hero-bg-two{background:radial-gradient(ellipse at 85% 105%,#11624f 0 18%,transparent 44%),radial-gradient(ellipse at 25% -10%,#0c4a68 0 28%,transparent 48%),linear-gradient(125deg,#061a32,#06374c 52%,#074f42)}.hero-bg-three{background:radial-gradient(ellipse at 45% 120%,#075d50 0 22%,transparent 47%),radial-gradient(ellipse at 95% 0,#0a3c62 0 27%,transparent 48%),linear-gradient(125deg,#05182d,#0a3450 50%,#053f37)}.hero-slider[data-slide="1"] .hero-bg{opacity:0}.hero-slider[data-slide="1"] .hero-bg-two{opacity:1}.hero-slider[data-slide="2"] .hero-bg{opacity:0}.hero-slider[data-slide="2"] .hero-bg-three{opacity:1}.hero-content{height:100%;position:relative;display:flex;align-items:center;justify-content:center}.hero-copy{text-align:center;color:#fff;max-width:650px;margin-top:-4px}.eyebrow{font-size:16px;color:#c9ddd9}.hero-copy h1{font-size:32px;line-height:1.35;margin:4px 0 2px;font-weight:800}.hero-copy p{font-size:17px;margin:0 0 13px;color:#eef5f4}.hero-btn{display:inline-flex;background:var(--primary);color:#fff;padding:7px 24px;border-radius:24px;font-size:16px;font-weight:700;box-shadow:0 7px 18px rgba(242,109,69,.22)}.hero-btn:hover{background:var(--primary-dark)}.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:42px;height:42px;border:0;background:transparent;color:#fff;font-size:39px;line-height:1}.hero-prev{left:18px}.hero-next{right:18px}.hero-dots{position:absolute;bottom:13px;left:0;right:0;z-index:4;display:flex;justify-content:center;gap:8px}.hero-dots button{width:10px;height:5px;border:0;border-radius:4px;background:#b9c5cb;padding:0}.hero-dots button.active{width:15px;background:var(--primary)}
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:28px;margin-bottom:42px}.feature-card{min-height:124px;border:1px solid var(--border);border-radius:9px;padding:20px 18px;display:flex;align-items:center;gap:15px;box-shadow:var(--shadow);background:#fff}.feature-icon{flex:0 0 58px;height:58px;border:0;border-radius:50%;display:grid;place-items:center;color:#2aa86b;background:#eaf8f0}.feature-check{font-size:40px;font-weight:900;line-height:1;color:#20a866;transform:translateY(-2px)}.feature-card h3{font-size:16px;margin:0 0 1px}.feature-card p{font-size:16px;color:#77828e;margin:0;line-height:1.75}
.section-title{text-align:center;margin:0 0 25px;position:relative}.section-title h2{display:inline-block;font-size:20px;margin:0;font-weight:800;position:relative;z-index:1;background:#fff;padding:0 15px}.section-title>span{display:block;position:absolute;right:0;left:0;top:55%;height:1px;background:#e7ebef}.section-title h2:after{content:"";display:inline-block;width:25px;height:2px;background:var(--primary);margin-right:9px;vertical-align:middle}.section-title.compact{text-align:right;margin-bottom:14px}.section-title.compact h2{font-size:18px;padding:0 0 0 12px}.products-section{margin-bottom:52px}.products-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.product-card{min-height:152px;border:1px solid var(--border);border-radius:8px;background:#fff;display:grid;grid-template-columns:160px 1fr;align-items:center;gap:20px;padding:12px 18px;position:relative;box-shadow:0 2px 12px rgba(15,43,68,.045);overflow:hidden}.product-card img{width:160px;height:125px;object-fit:contain;display:block}.product-info{text-align:right;padding-left:10px;padding-top:4px;min-width:0}.product-info h3{font-size:16px;margin:0;font-weight:800;line-height:1.7}.product-title-row{display:flex;align-items:center;justify-content:flex-start;gap:8px;flex-wrap:wrap}.product-type{font-size:16px;color:#6d7884;margin:0 0 11px;line-height:1.8}.product-type.valve-status{display:inline-flex;align-items:center;border:1px solid #ff9b7e;color:var(--primary-dark);background:#fff7f4;border-radius:9px;padding:0 9px;white-space:nowrap;box-sizing:border-box}.product-info a{display:inline-flex;background:var(--primary);color:#fff;border-radius:18px;padding:3px 15px;font-size:16px;line-height:1.7}.product-info a:hover{background:var(--primary-dark)}.badge{position:absolute;top:12px;right:12px;display:inline-flex;align-items:center;border:1px solid #4db79a;color:#168063;background:#f0fbf7;border-radius:9px;padding:0 7px;font-size:16px;line-height:1.7;white-space:nowrap;z-index:2}.badge.active{border-color:#4db79a;color:#168063;background:#f0fbf7}
.info-area{display:grid;grid-template-columns:1.15fr 1fr;gap:30px;align-items:start;margin-bottom:0}.cert-panel,.about-panel{min-height:220px}.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.cert-card{min-height:185px;border:1px solid var(--border);border-radius:8px;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:12px;box-shadow:var(--shadow)}.cert-logo{width:92px;height:92px;border-radius:14px;display:grid;place-items:center;margin-bottom:10px;font-weight:800;line-height:1.1;background:#fff;overflow:hidden}.cert-logo img{width:100%;height:100%;object-fit:contain;display:block;padding:7px}.fda-logo{border:2px solid #3d9c6d;color:#1d8757;font-size:16px}.atomic-logo{border:2px solid #1f76bd;color:#1f76bd;font-size:27px}.tehran-logo{border:2px solid #2270b8;color:#2270b8;font-size:16px}.cert-card h3{font-size:16px;line-height:1.7;margin:0;font-weight:700}.about-panel{padding-right:10px}.about-copy{border-right:2px solid var(--primary-soft);padding:8px 20px 8px 0}.about-copy p{font-size:16px;line-height:2.4;color:#415468;margin:0 0 9px}.outline-btn{display:inline-flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;border-radius:21px;padding:7px 20px;font-size:16px;margin-top:5px}.outline-btn:hover{background:var(--primary-dark)}
.footer{margin-top:0;background:linear-gradient(110deg,#0a2339,#0e2e43);color:#fff}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1.05fr;gap:38px;padding:30px 0 22px;align-items:center}.socials{padding-left:28px;border-left:1px solid rgba(255,255,255,.28)}.socials h3,.contact-info h3{font-size:16px;margin:0 0 12px;color:#fff}.social-grid{display:grid;grid-template-columns:repeat(4,auto);gap:10px 14px}.social-grid a{display:flex;align-items:center;gap:5px;font-size:16px;color:#eef3f6}.social-grid a:hover{color:#ffb29a}.social-icon{width:25px;height:25px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:16px;color:#fff}.instagram{background:#ed4f82}.telegram{background:#269ad7}.whatsapp{background:#20bd68}.bale{background:#3778dc}.eitaa{background:#f18b24}.soroosh{background:#267cb5}.rubika{background:#6c5fd2}.contact-info{text-align:right;font-size:16px;line-height:1.9;color:#e5edf2}.contact-info h3{text-align:center}.contact-item{display:flex;align-items:center;gap:10px;margin:6px 0}.contact-item > span:last-child{display:block}.contact-icon{width:32px;height:32px;flex:0 0 32px;border:1px solid rgba(255,255,255,.22);border-radius:9px;display:grid;place-items:center;color:#fff;background:rgba(255,255,255,.06)}.contact-icon svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.contact-info b{color:#fff}.footer-brand{text-align:right}.footer-wordmark{display:flex;align-items:center;justify-content:flex-start;gap:4px}.footer-wordmark strong{font-size:23px;letter-spacing:1px}.shield{color:var(--primary);font-size:19px}.footer-tagline{display:block;font-size:16px;color:#d5e0e6}.footer-cert-logos{display:flex;align-items:center;gap:12px;margin-top:14px}.seal{width:64px;height:64px;border:1px solid rgba(255,255,255,.65);border-radius:8px;display:grid;place-items:center;color:#fff;background:#fff;font-weight:800;font-size:16px;overflow:hidden;padding:6px;box-sizing:border-box}.seal img{width:100%;height:100%;object-fit:contain;display:block;background:#fff}.seal.enamad{font-size:23px;font-style:italic}.seal.sib{font-size:16px}.seal.atomic{font-size:21px}.seal.tehran{font-size:16px}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);display:flex;flex-direction:column;align-items:center}.footer-links{display:flex;justify-content:center;align-items:center;gap:19px;flex-wrap:wrap;padding:8px 0 3px}.footer-links a{font-size:16px;color:#dce4e9}.footer-links a:hover{color:#fff}.copyright{font-size:16px;color:#aebdc7;padding:3px 0 8px}
.mobile-menu{display:none}.mobile-menu.open{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid #edf0f4;background:#fff}.mobile-menu a{font-size:16px;padding:14px 18px;border-bottom:1px solid #edf0f4}.toast{position:fixed;left:20px;bottom:20px;background:#17202a;color:#fff;padding:9px 15px;border-radius:8px;font-size:16px;opacity:0;pointer-events:none;transform:translateY(10px);transition:.25s;z-index:100}.toast.show{opacity:1;transform:none}
@media(max-width:1000px){.container{width:min(100% - 28px,780px)}.desktop-nav{display:none}.header-actions .action{display:none}.menu-toggle{display:block}.header-actions{grid-column:3}.features{grid-template-columns:repeat(2,1fr)}.products-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.info-area{grid-template-columns:1fr}.about-panel{padding-right:0}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1;grid-row:1;text-align:center}.footer-wordmark{justify-content:center}.footer-cert-logos{justify-content:center}.socials{border-left:0;padding-left:0}.contact-info{border-right:1px solid rgba(255,255,255,.2);padding-right:20px}}
@media(max-width:620px){.container{width:calc(100% - 20px)}.header-inner{min-height:65px}.brand-copy strong{font-size:16px}.brand-copy small{font-size:16px}.brand-mark{width:35px;height:35px}.hero-slider{height:280px}.hero-copy{padding:0 48px}.eyebrow{font-size:16px}.hero-copy h1{font-size:22px}.hero-copy p{font-size:16px;margin-bottom:11px}.hero-btn{font-size:16px;padding:5px 18px}.slider-arrow{width:30px;height:30px;font-size:29px}.hero-prev{left:5px}.hero-next{right:5px}.features{gap:12px;margin-top:18px;margin-bottom:30px}.feature-card{min-height:124px;padding:11px 8px;gap:7px}.feature-icon{flex-basis:48px;width:48px;height:48px;border-radius:50%}.feature-check{font-size:32px}.feature-card h3{font-size:16px}.feature-card p{font-size:16px;line-height:1.55}.section-title{margin-bottom:20px}.section-title h2{font-size:17px}.products-grid{grid-template-columns:1fr;gap:14px}.product-card{grid-template-columns:135px 1fr;min-height:138px;padding:10px 12px;gap:12px}.product-card img{width:135px;height:108px}.product-info h3{font-size:16px}.product-info p{font-size:16px;margin-bottom:9px;line-height:1.8}.product-info a{font-size:16px;padding:3px 12px}.badge{font-size:16px;top:9px;right:9px}.info-area{gap:28px;margin-bottom:0}.cert-grid{grid-template-columns:1fr 1fr;gap:12px}.cert-card{min-height:150px;flex-direction:row;justify-content:flex-start;text-align:right;gap:14px;padding:10px 15px}.cert-logo{flex:0 0 64px;width:64px;height:64px;margin:0;border-radius:12px}.cert-card h3{font-size:16px}.about-copy{padding:4px 14px 4px 0}.about-copy p{font-size:16px;line-height:2}.footer-grid{grid-template-columns:1fr;gap:20px;padding:22px 0 16px}.footer-brand{grid-column:auto;grid-row:auto}.socials{border:0}.social-grid{grid-template-columns:repeat(4,1fr);gap:10px 6px}.social-grid a{justify-content:center;flex-direction:column;gap:2px;font-size:16px}.social-icon{width:27px;height:27px}.contact-info{border:0;padding:0;font-size:16px}.contact-info h3{text-align:center}.contact-item{justify-content:flex-start}.contact-icon{width:34px;height:34px;flex-basis:34px}.footer-cert-logos{gap:8px}.seal{width:52px;height:52px;border-radius:7px;padding:5px}.footer-links{gap:8px 13px}.copyright{text-align:center;font-size:16px}.footer-bottom{padding-bottom:5px}}

/* Responsive navigation refinement */
@media(max-width:620px){.mobile-menu.open{grid-template-columns:1fr}.mobile-menu a{text-align:center;padding:15px 16px}.header-inner{grid-template-columns:1fr auto 1fr}.brand{grid-column:1}.header-actions{grid-column:3}.cert-grid{grid-template-columns:1fr}.cert-card{min-height:118px;flex-direction:row;justify-content:flex-start;text-align:right;gap:14px}.cert-logo{flex:0 0 64px;width:64px;height:64px;margin:0}.cert-card h3{line-height:1.8}}


/* Final mobile readability refinements */
@media (max-width:1000px){
  .header-inner{min-height:84px;}
  .brand{min-height:68px;}
  .brand-copy strong{line-height:1.35;}
  .brand-copy small{line-height:1.65;}
}
@media (max-width:620px){
  .header-inner{min-height:88px;gap:10px;}
  .brand{min-height:72px;gap:10px;}
  .brand-mark{width:42px;height:42px;border-radius:12px;flex:0 0 42px;}
  .brand-mark:before{width:17px;height:17px;}
  .brand-copy strong{font-size:17px;line-height:1.45;}
  .brand-copy small{font-size:16px;line-height:1.75;white-space:nowrap;}
  .header-actions{align-self:center;}
  .menu-toggle{font-size:29px;padding:7px;line-height:1;}
  .mobile-menu a{padding:16px 16px;line-height:1.8;}
  .products-grid{gap:15px;}
  .product-card{grid-template-columns:118px minmax(0,1fr);min-height:150px;padding:12px 10px;gap:11px;}
  .product-card img{width:118px;height:110px;}
  .product-info{padding:0;}
  .product-title-row{gap:6px;}
  .product-info h3,.product-type,.product-info a,.badge{font-size:16px;}
  .product-type{margin-bottom:10px;}
  .product-info a{padding:3px 10px;}
}
@media (max-width:380px){
  .container{width:calc(100% - 16px);}
  .header-inner{min-height:92px;}
  .brand-copy small{white-space:normal;line-height:1.55;}
  .brand{align-items:center;}
  .product-card{grid-template-columns:105px minmax(0,1fr);gap:9px;padding:10px 8px;}
  .product-card img{width:105px;height:102px;}
  .product-title-row{align-items:flex-start;}
}