/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;color:#1a1a2e;background:#f8f9fb;line-height:1.6}
a{color:#e8630a;text-decoration:none;transition:color .2s}
a:hover{color:#c85000}
img{max-width:100%;height:auto;display:block}
ul{list-style:none}

/* ===== TOP BAR ===== */
.top-bar{background:#1a2332;color:#b0bec5;font-size:13px;padding:6px 0}
.top-bar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.top-bar a{color:#b0bec5}
.top-bar a:hover{color:#fff}
.top-bar__left{display:flex;gap:20px;align-items:center}
.top-bar__right{display:flex;gap:16px;align-items:center}
.top-bar__icon{margin-right:4px}

/* ===== HEADER ===== */
.header{background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.06);position:sticky;top:0;z-index:100}
.header .container{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;color:#1a2332;white-space:nowrap}
.logo span{color:#e8630a}
.logo small{display:block;font-size:11px;font-weight:400;color:#78909c;letter-spacing:.5px;text-transform:uppercase}
.header-phone{text-align:right;white-space:nowrap}
.header-phone a{font-size:20px;font-weight:700;color:#1a2332}
.header-phone small{display:block;font-size:12px;color:#78909c}
.header-cta{background:#e8630a;color:#fff;padding:10px 22px;border-radius:6px;font-weight:600;font-size:14px;white-space:nowrap;transition:background .2s}
.header-cta:hover{background:#c85000;color:#fff}

/* ===== NAV ===== */
.main-nav{background:#263242;position:relative}
.main-nav .container{display:flex;align-items:center;gap:0;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.main-nav .container::-webkit-scrollbar{display:none}
.nav-link{display:block;padding:12px 16px;color:#cfd8dc;font-size:13px;font-weight:500;white-space:nowrap;transition:all .2s;border-bottom:2px solid transparent}
.nav-link:hover,.nav-link.active{color:#fff;background:rgba(255,255,255,.06);border-bottom-color:#e8630a}

/* Burger */
.burger{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer;padding:10px 16px}
.mobile-menu{display:none;background:#263242;max-height:0;overflow:hidden;transition:max-height .3s ease}
.mobile-menu.open{max-height:800px}
.mobile-menu .nav-link{padding:12px 20px;border-bottom:1px solid rgba(255,255,255,.06)}

/* ===== CONTAINER ===== */
.container{max-width:1280px;margin:0 auto;padding:0 20px}

/* ===== HERO ===== */
.hero{background:linear-gradient(135deg,#1a2332 0%,#263242 50%,#1a2332 100%);color:#fff;padding:60px 0;position:relative;overflow:hidden}
.hero::after{content:'';position:absolute;top:-50%;right:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(232,99,10,.15) 0%,transparent 70%);pointer-events:none}
.hero h1{font-size:42px;font-weight:800;margin-bottom:16px;line-height:1.2;position:relative}
.hero h1 span{color:#e8630a}
.hero p{font-size:18px;color:#b0bec5;max-width:640px;margin-bottom:28px;position:relative}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:6px;font-size:15px;font-weight:600;cursor:pointer;border:none;transition:all .2s}
.btn-primary{background:#e8630a;color:#fff}
.btn-primary:hover{background:#c85000;color:#fff}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.3)}
.btn-outline:hover{border-color:#e8630a;color:#e8630a}

/* ===== SECTIONS ===== */
.section{padding:50px 0}
.section-alt{background:#fff}
.section-title{font-size:30px;font-weight:800;color:#1a2332;margin-bottom:8px}
.section-subtitle{font-size:16px;color:#78909c;margin-bottom:32px}

/* ===== CATEGORY GRID (Home) ===== */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.cat-card{background:#fff;border-radius:10px;padding:28px 24px;box-shadow:0 2px 12px rgba(0,0,0,.04);border:1px solid #eef1f5;transition:all .25s;display:flex;flex-direction:column}
.cat-card:hover{box-shadow:0 8px 30px rgba(0,0,0,.1);transform:translateY(-3px);border-color:#e8630a}
.cat-card__icon{width:48px;height:48px;background:#fef3eb;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;font-size:22px;color:#e8630a}
.cat-card h3{font-size:18px;font-weight:700;margin-bottom:8px;color:#1a2332}
.cat-card h3 a{color:#1a2332}
.cat-card h3 a:hover{color:#e8630a}
.cat-card p{font-size:13px;color:#78909c;flex:1;margin-bottom:14px}
.cat-card__link{font-size:13px;font-weight:600;color:#e8630a;display:inline-flex;align-items:center;gap:4px}
.cat-card__link::after{content:'→'}

/* ===== ADVANTAGES ===== */
.adv-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.adv-item{display:flex;gap:14px;align-items:flex-start}
.adv-icon{width:44px;height:44px;min-width:44px;background:#e8630a;color:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700}
.adv-text h4{font-size:15px;font-weight:700;margin-bottom:2px}
.adv-text p{font-size:13px;color:#78909c}

/* ===== BREADCRUMBS ===== */
.breadcrumbs{padding:16px 0;font-size:13px;color:#78909c}
.breadcrumbs a{color:#78909c}
.breadcrumbs a:hover{color:#e8630a}
.breadcrumbs span{margin:0 6px;color:#b0bec5}

/* ===== CATEGORY PAGE ===== */
.cat-hero{background:linear-gradient(135deg,#1a2332,#2c3e50);color:#fff;padding:40px 0 36px}
.cat-hero h1{font-size:34px;font-weight:800;margin-bottom:10px}
.cat-hero p{color:#b0bec5;font-size:15px;max-width:720px}

.cat-description{background:#fff;border-radius:10px;padding:32px;margin-top:-20px;position:relative;z-index:2;box-shadow:0 4px 20px rgba(0,0,0,.06);line-height:1.75;font-size:15px;color:#37474f}
.cat-description p{margin-bottom:14px}
.cat-description p:last-child{margin-bottom:0}

/* ===== PRODUCT CARDS ===== */
.prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.prod-card{background:#fff;border-radius:10px;padding:24px;box-shadow:0 2px 12px rgba(0,0,0,.04);border:1px solid #eef1f5;transition:all .2s}
.prod-card:hover{box-shadow:0 6px 24px rgba(0,0,0,.08);border-color:#e8630a}
.prod-card__type{display:inline-block;font-size:11px;font-weight:600;color:#e8630a;background:#fef3eb;padding:3px 10px;border-radius:20px;margin-bottom:10px}
.prod-card h3{font-size:16px;font-weight:700;margin-bottom:6px;color:#1a2332}
.prod-card__spec{font-size:12px;color:#78909c;margin-bottom:12px}
.prod-card__bottom{display:flex;justify-content:space-between;align-items:center;padding-top:12px;border-top:1px solid #eef1f5}
.prod-card__volume{font-size:13px;color:#78909c}
.prod-card__price{font-size:20px;font-weight:800;color:#1a2332}
.prod-card__price small{font-size:13px;font-weight:400;color:#78909c}
.prod-card__order{display:block;margin-top:14px;text-align:center;background:#e8630a;color:#fff;padding:10px;border-radius:6px;font-weight:600;font-size:14px;cursor:pointer;border:none;width:100%;transition:background .2s}
.prod-card__order:hover{background:#c85000;color:#fff}

/* ===== BRANDS ===== */
.brands-list{display:flex;flex-wrap:wrap;gap:10px}
.brand-tag{padding:6px 16px;background:#fff;border:1px solid #e0e4ea;border-radius:20px;font-size:13px;font-weight:500;color:#37474f;transition:all .2s}
.brand-tag:hover{border-color:#e8630a;color:#e8630a}

/* ===== FAQ ===== */
.faq-list{max-width:800px}
.faq-item{border-bottom:1px solid #e0e4ea;padding:0}
.faq-q{display:flex;justify-content:space-between;align-items:center;padding:18px 0;cursor:pointer;font-size:15px;font-weight:600;color:#1a2332;gap:12px;background:none;border:none;width:100%;text-align:left}
.faq-q::after{content:'+';font-size:22px;color:#e8630a;min-width:24px;text-align:center;transition:transform .2s}
.faq-item.open .faq-q::after{content:'−'}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;font-size:14px;color:#546e7a;line-height:1.7}
.faq-item.open .faq-a{max-height:400px;padding-bottom:18px}

/* ===== ORDER FORM ===== */
.order-form{background:#fff;border-radius:10px;padding:32px;box-shadow:0 2px 12px rgba(0,0,0,.04);border:1px solid #eef1f5}
.order-form h3{font-size:22px;font-weight:700;margin-bottom:6px}
.order-form p{font-size:14px;color:#78909c;margin-bottom:20px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.form-group{display:flex;flex-direction:column;gap:4px}
.form-group.full{grid-column:1/-1}
.form-label{font-size:13px;font-weight:600;color:#37474f}
.form-input,.form-textarea{padding:10px 14px;border:1px solid #e0e4ea;border-radius:6px;font-size:14px;font-family:inherit;transition:border-color .2s;outline:none;background:#f8f9fb}
.form-input:focus,.form-textarea:focus{border-color:#e8630a;background:#fff}
.form-textarea{resize:vertical;min-height:80px}
.form-submit{background:#e8630a;color:#fff;padding:12px 32px;border:none;border-radius:6px;font-size:15px;font-weight:700;cursor:pointer;transition:background .2s;margin-top:6px}
.form-submit:hover{background:#c85000}
.form-success{display:none;background:#e8f5e9;border:1px solid #a5d6a7;border-radius:6px;padding:14px 20px;color:#2e7d32;font-weight:600;margin-top:14px}
.form-success.show{display:block}

/* ===== CONTACT PAGE ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.contact-info{display:flex;flex-direction:column;gap:20px}
.contact-item{display:flex;gap:14px;align-items:flex-start}
.contact-item__icon{width:44px;height:44px;min-width:44px;background:#fef3eb;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;color:#e8630a}
.contact-item h4{font-size:14px;font-weight:700;margin-bottom:2px}
.contact-item p{font-size:14px;color:#546e7a}
.contact-item a{font-size:14px}

/* ===== ABOUT PAGE ===== */
.about-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:30px 0}
.stat-box{text-align:center;padding:24px 16px;background:#fff;border-radius:10px;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.stat-box__num{font-size:36px;font-weight:800;color:#e8630a}
.stat-box__label{font-size:13px;color:#78909c;margin-top:4px}

.about-text{font-size:15px;line-height:1.8;color:#37474f;max-width:900px}
.about-text p{margin-bottom:16px}

/* ===== DELIVERY PAGE ===== */
.delivery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.delivery-card{background:#fff;border-radius:10px;padding:28px 24px;box-shadow:0 2px 12px rgba(0,0,0,.04);border:1px solid #eef1f5}
.delivery-card h3{font-size:18px;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.delivery-card p{font-size:14px;color:#546e7a;line-height:1.7}
.delivery-card ul{margin-top:10px}
.delivery-card ul li{font-size:14px;color:#546e7a;padding:4px 0;padding-left:16px;position:relative}
.delivery-card ul li::before{content:'•';color:#e8630a;position:absolute;left:0;font-weight:700}

/* ===== FOOTER ===== */
.footer{background:#1a2332;color:#b0bec5;padding:48px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
.footer p{font-size:13px;line-height:1.7}
.footer a{color:#b0bec5;font-size:13px}
.footer a:hover{color:#e8630a}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:36px;padding:16px 0;font-size:12px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}

/* ===== 404 ===== */
.page-404{text-align:center;padding:80px 20px}
.page-404 h1{font-size:120px;font-weight:800;color:#e0e4ea;line-height:1}
.page-404 h2{font-size:24px;margin:10px 0 16px}
.page-404 p{color:#78909c;margin-bottom:24px}

/* ===== MODAL ===== */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:1000;align-items:center;justify-content:center}
.modal-overlay.active{display:flex}
.modal{background:#fff;border-radius:12px;padding:32px;max-width:500px;width:90%;position:relative;max-height:90vh;overflow-y:auto}
.modal-close{position:absolute;top:12px;right:16px;background:none;border:none;font-size:24px;color:#78909c;cursor:pointer}
.modal h3{font-size:20px;font-weight:700;margin-bottom:6px}
.modal p{font-size:14px;color:#78909c;margin-bottom:18px}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
    .footer-grid{grid-template-columns:1fr 1fr}
    .about-stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
    .hero h1{font-size:28px}
    .hero p{font-size:15px}
    .section-title{font-size:24px}
    .cat-hero h1{font-size:26px}
    .header .container{flex-wrap:wrap}
    .main-nav .container{display:none}
    .burger{display:block}
    .mobile-menu{display:block}
    .contact-grid{grid-template-columns:1fr}
    .form-row{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .about-stats{grid-template-columns:1fr 1fr}
    .header-phone{display:none}
    .top-bar__left{display:none}
}
@media(max-width:480px){
    .hero{padding:36px 0}
    .hero h1{font-size:24px}
    .cat-description{padding:20px;margin-top:-10px}
    .order-form{padding:20px}
    .prod-grid{grid-template-columns:1fr}
    .stat-box__num{font-size:28px}
}