/* ============================================
   KazRez — Shared Styles
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Unbounded:wght@400;600;700;900&family=Onest:wght@300;400;500;600;700&family=Noto+Sans:wght@300;400;500;600;700&family=Montserrat:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --black: #0b0f0e;
  --dark: #111916;
  --dark2: #151d1a;
  --carbon: #1a2420;
  --teal: #2ec4a0;
  --teal-light: #3eddb5;
  --teal-dim: #1a8a6e;
  --teal-glow: rgba(46,196,160,0.15);
  --teal-glow2: rgba(46,196,160,0.08);
  --warm: #edf2f0;
  --warm2: #c8d5d0;
  --gray: #6b7d76;
  --gray-light: #8a9e96;
  --surface: #141c18;
  --surface2: #1a241f;
  --border: rgba(46,196,160,0.1);
  --border2: rgba(255,255,255,0.06);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:'Onest','Noto Sans',sans-serif; background:var(--black); color:var(--warm); overflow-x:hidden; -webkit-font-smoothing:antialiased; }
a { text-decoration:none; color:inherit; }
ul { list-style:none; }
.container { max-width:1280px; margin:0 auto; padding:0 48px; }

/* Page wrapper for SPA-like sections */
.page { display:none; }
.page.active { display:block; }

/* Section titles */
.section-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:48px; flex-wrap:wrap; gap:20px; }
.section-title { font-family:'Unbounded',sans-serif; font-weight:900; font-size:clamp(1.6rem,3vw,2.4rem); letter-spacing:-0.5px; }
.section-title .accent { color:var(--teal); }

/* Buttons */
.btn-outline { display:inline-flex; align-items:center; gap:10px; padding:12px 28px; border:1px solid var(--border); border-radius:100px; font-family:'Onest',sans-serif; font-weight:500; font-size:0.85rem; color:var(--warm); background:transparent; cursor:pointer; transition:all 0.3s; letter-spacing:0.5px; }
.btn-outline:hover { border-color:var(--teal); color:var(--teal); background:var(--teal-glow2); }
.btn-solid { display:inline-flex; align-items:center; gap:10px; padding:14px 32px; border:none; border-radius:100px; font-family:'Onest',sans-serif; font-weight:600; font-size:0.9rem; color:var(--black); background:var(--teal); cursor:pointer; transition:all 0.3s; letter-spacing:0.3px; }
.btn-solid:hover { background:var(--teal-light); transform:translateY(-2px); box-shadow:0 12px 40px rgba(46,196,160,0.25); }
.btn-solid:active { transform:translateY(0); }

/* ============================================
   LANG SWITCH
   ============================================ */
.lang-switch { display:flex; align-items:center; gap:2px; background:var(--surface); border:1px solid var(--border2); border-radius:100px; padding:3px; }
.lang-btn { padding:6px 12px; border:none; border-radius:100px; font-family:'Onest',sans-serif; font-size:0.72rem; font-weight:600; letter-spacing:0.5px; cursor:pointer; transition:all 0.25s; background:transparent; color:var(--gray); text-transform:uppercase; }
.lang-btn:hover { color:var(--warm); }
.lang-btn.active { background:var(--teal); color:var(--black); }

/* ============================================
   NAVBAR
   ============================================ */
nav { position:fixed; top:0; left:0; right:0; z-index:1000; display:flex; align-items:center; justify-content:space-between; padding:18px 48px; backdrop-filter:blur(24px); background:rgba(11,15,14,0.75); border-bottom:1px solid var(--border2); transition:background 0.3s; }
.logo { font-family:'Unbounded',sans-serif; font-weight:900; font-size:1.5rem; letter-spacing:1px; display:flex; align-items:center; gap:2px; cursor:pointer; }
.logo .k { color:var(--warm); } .logo .az { color:var(--warm); font-weight:700; } .logo .r { color:var(--teal); font-weight:900; } .logo .ez { color:var(--warm); font-weight:700; }
.nav-links { display:flex; gap:36px; align-items:center; }
.nav-links > li { position:relative; }
.nav-links > li > a { font-size:0.88rem; font-weight:400; color:var(--warm2); opacity:0.7; transition:opacity 0.3s,color 0.3s; letter-spacing:0.3px; cursor:pointer; }
.nav-links > li > a:hover { opacity:1; color:var(--teal); }
.nav-right { display:flex; align-items:center; gap:16px; }
.nav-cta { background:var(--teal); color:var(--black); padding:10px 24px; border-radius:100px; font-weight:600; font-size:0.82rem; transition:transform 0.3s,box-shadow 0.3s; cursor:pointer; }
.nav-cta:hover { transform:translateY(-2px); box-shadow:0 8px 30px rgba(46,196,160,0.25); }

/* Cart icon in nav */
.nav-cart { position:relative; cursor:pointer; display:flex; align-items:center; color:var(--warm2); transition:color 0.3s; }
.nav-cart:hover { color:var(--teal); }
.cart-badge { position:absolute; top:-6px; right:-8px; background:var(--teal); color:var(--black); font-size:0.6rem; font-weight:700; min-width:18px; height:18px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-family:'Unbounded',sans-serif; }
.cart-badge:empty { display:none; }

/* Nav Dropdown - Categories */
.nav-dropdown { position:absolute; top:100%; left:-20px; min-width:260px; background:var(--dark); border:1px solid var(--border2); border-radius:var(--radius-sm); padding:8px 0; opacity:0; visibility:hidden; transform:translateY(10px); transition:all 0.25s; z-index:100; box-shadow:0 20px 60px rgba(0,0,0,0.5); }
.nav-links > li:hover > .nav-dropdown { opacity:1; visibility:visible; transform:translateY(4px); }
.nav-dropdown a { display:flex; align-items:center; justify-content:space-between; padding:10px 20px; font-size:0.82rem; color:var(--warm2); opacity:0.8; transition:all 0.2s; }
.nav-dropdown a:hover { background:var(--teal-glow2); color:var(--teal); opacity:1; }
/* Subcategories */
.nav-sub-dropdown { position:absolute; top:-8px; left:100%; min-width:240px; background:var(--dark); border:1px solid var(--border2); border-radius:var(--radius-sm); padding:8px 0; opacity:0; visibility:hidden; transform:translateX(10px); transition:all 0.25s; box-shadow:0 20px 60px rgba(0,0,0,0.5); }
.nav-dropdown > .has-sub { position:relative; }
.nav-dropdown > .has-sub:hover > .nav-sub-dropdown { opacity:1; visibility:visible; transform:translateX(0); }
.nav-dropdown .arrow-icon { font-size:0.7rem; opacity:0.4; }

/* Burger / Mobile */
.burger { display:none; flex-direction:column; gap:5px; cursor:pointer; background:none; border:none; padding:8px; }
.burger span { display:block; width:24px; height:2px; background:var(--warm); border-radius:2px; transition:0.3s; }
.mobile-menu { display:none; position:fixed; top:0; left:0; right:0; bottom:0; background:rgba(11,15,14,0.97); backdrop-filter:blur(30px); z-index:999; flex-direction:column; align-items:center; justify-content:center; gap:32px; overflow-y:auto; padding:80px 20px; }
.mobile-menu.open { display:flex; }
.mobile-menu a { font-family:'Unbounded',sans-serif; font-size:1.3rem; font-weight:600; color:var(--warm); opacity:0.7; transition:0.3s; }
.mobile-menu a:hover { opacity:1; color:var(--teal); }
.mobile-close { position:absolute; top:20px; right:24px; background:none; border:none; color:var(--warm); font-size:2rem; cursor:pointer; }

/* ============================================
   HERO CAROUSEL
   ============================================ */
.hero { position:relative; width:100%; height:100vh; min-height:600px; overflow:hidden; }
.hero::before { content:''; position:absolute; inset:0; z-index:10; opacity:0.03; pointer-events:none; background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); background-size:128px; }
.slide { position:absolute; inset:0; opacity:0; transition:opacity 0.9s cubic-bezier(0.4,0,0.2,1); pointer-events:none; }
.slide.active { opacity:1; pointer-events:all; }
.slide-bg { position:absolute; inset:0; background-size:cover; background-position:center; transform:scale(1.06); transition:transform 7s cubic-bezier(0.25,0,0.25,1); }
.slide.active .slide-bg { transform:scale(1); }
.slide-overlay { position:absolute; inset:0; background:linear-gradient(135deg,rgba(11,15,14,0.93) 0%,rgba(11,15,14,0.6) 55%,rgba(11,15,14,0.35) 100%); }
.slide-content { position:relative; z-index:5; height:100%; display:flex; flex-direction:column; justify-content:center; padding:0 48px; max-width:780px; }
.slide-tag { display:inline-flex; align-items:center; gap:8px; background:rgba(46,196,160,0.1); border:1px solid rgba(46,196,160,0.2); color:var(--teal); padding:6px 16px; border-radius:100px; font-size:0.72rem; font-weight:600; letter-spacing:1.5px; text-transform:uppercase; margin-bottom:24px; width:fit-content; opacity:0; transform:translateY(20px); transition:opacity 0.5s 0.3s,transform 0.5s 0.3s; }
.slide.active .slide-tag { opacity:1; transform:translateY(0); }
.slide-title { font-family:'Unbounded',sans-serif; font-weight:900; font-size:clamp(2rem,5vw,3.8rem); line-height:1.1; letter-spacing:-1px; margin-bottom:20px; opacity:0; transform:translateY(30px); transition:opacity 0.5s 0.45s,transform 0.5s 0.45s; }
.slide.active .slide-title { opacity:1; transform:translateY(0); }
.slide-title .hl { color:var(--teal); }
.slide-desc { font-size:1.05rem; line-height:1.7; color:var(--warm2); font-weight:300; max-width:520px; margin-bottom:36px; opacity:0; transform:translateY(20px); transition:opacity 0.5s 0.6s,transform 0.5s 0.6s; }
.slide.active .slide-desc { opacity:0.6; transform:translateY(0); }
.slide-btn { opacity:0; transform:translateY(20px); transition:opacity 0.5s 0.75s,transform 0.5s 0.75s; }
.slide.active .slide-btn { opacity:1; transform:translateY(0); }
.hero-controls { position:absolute; bottom:48px; right:48px; z-index:20; display:flex; align-items:center; gap:20px; }
.hero-counter { font-family:'Unbounded',sans-serif; font-weight:700; font-size:0.85rem; color:var(--gray); letter-spacing:2px; }
.hero-counter .cur { color:var(--teal); font-size:1.1rem; }
.hero-arrows { display:flex; gap:8px; }
.arr-btn { width:48px; height:48px; border-radius:50%; border:1px solid rgba(255,255,255,0.1); background:rgba(255,255,255,0.03); color:var(--warm); display:flex; align-items:center; justify-content:center; cursor:pointer; transition:all 0.3s; backdrop-filter:blur(8px); }
.arr-btn:hover { background:var(--teal-glow); border-color:rgba(46,196,160,0.4); transform:scale(1.08); }
.hero-dots { display:none; position:absolute; bottom:28px; left:50%; transform:translateX(-50%); z-index:20; gap:10px; }
.h-dot { width:8px; height:8px; border-radius:50%; border:none; background:rgba(255,255,255,0.2); cursor:pointer; transition:0.3s; padding:0; }
.h-dot.active { background:var(--teal); width:28px; border-radius:10px; }
.hero-progress { position:absolute; bottom:0; left:0; right:0; height:3px; z-index:20; background:rgba(255,255,255,0.04); }
.hero-progress-bar { height:100%; background:var(--teal); width:0%; }

/* ============================================
   CATEGORIES (home page)
   ============================================ */
.categories { padding:100px 0; background:var(--dark); position:relative; }
.categories::before { content:''; position:absolute; top:-1px; left:0; right:0; height:120px; background:linear-gradient(to bottom,var(--black),transparent); pointer-events:none; }
.cat-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.cat-card { position:relative; border-radius:var(--radius); overflow:hidden; aspect-ratio:4/3; cursor:pointer; }
.cat-card-bg { position:absolute; inset:0; background-size:cover; background-position:center; transition:transform 0.6s; }
.cat-card:hover .cat-card-bg { transform:scale(1.08); }
.cat-card-overlay { position:absolute; inset:0; background:linear-gradient(180deg,rgba(11,15,14,0.2) 0%,rgba(11,15,14,0.85) 100%); transition:background 0.3s; }
.cat-card:hover .cat-card-overlay { background:linear-gradient(180deg,rgba(46,196,160,0.1) 0%,rgba(11,15,14,0.9) 100%); }
.cat-card-content { position:relative; z-index:2; height:100%; display:flex; flex-direction:column; justify-content:flex-end; padding:24px; }
.cat-card-title { font-family:'Unbounded',sans-serif; font-weight:700; font-size:1rem; line-height:1.3; margin-bottom:8px; }
.cat-card-desc { font-size:0.78rem; color:var(--warm2); opacity:0.6; line-height:1.5; }

/* ============================================
   SERVICES
   ============================================ */
.services { padding:100px 0; background:var(--black); }
.services-grid { display:flex; flex-direction:column; gap:20px; }
.svc-card { display:grid; grid-template-columns:80px 1fr auto; align-items:center; gap:32px; padding:36px 40px; background:var(--surface); border:1px solid var(--border2); border-radius:var(--radius); transition:all 0.4s; position:relative; overflow:hidden; cursor:pointer; }
.svc-card::before { content:''; position:absolute; left:0; top:0; bottom:0; width:4px; background:var(--teal); opacity:0; transition:opacity 0.3s; border-radius:4px 0 0 4px; }
.svc-card:hover { border-color:var(--border); transform:translateX(8px); background:var(--surface2); }
.svc-card:hover::before { opacity:1; }
.svc-num { font-family:'Unbounded',sans-serif; font-weight:900; font-size:2.4rem; color:rgba(46,196,160,0.12); line-height:1; transition:color 0.3s; }
.svc-card:hover .svc-num { color:rgba(46,196,160,0.3); }
.svc-body { display:flex; flex-direction:column; gap:8px; }
.svc-card-title { font-family:'Unbounded',sans-serif; font-weight:700; font-size:1.05rem; line-height:1.3; transition:color 0.3s; }
.svc-card:hover .svc-card-title { color:var(--teal); }
.svc-card-desc { font-size:0.85rem; color:var(--gray-light); line-height:1.6; max-width:520px; }
.svc-icon { width:52px; height:52px; border-radius:14px; background:var(--teal-glow); border:1px solid rgba(46,196,160,0.1); display:flex; align-items:center; justify-content:center; color:var(--teal); flex-shrink:0; transition:all 0.3s; }
.svc-card:hover .svc-icon { background:var(--teal); color:var(--black); }

/* ============================================
   PRODUCT CARDS (shared between home & catalog)
   ============================================ */
.catalog-section { padding:100px 0; background:var(--dark); }
.catalog-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-bottom:48px; }
.product-card { background:var(--surface); border:1px solid var(--border2); border-radius:var(--radius); overflow:hidden; transition:transform 0.3s,border-color 0.3s,box-shadow 0.3s; cursor:pointer; }
.product-card:hover { transform:translateY(-6px); border-color:var(--border); box-shadow:0 20px 60px rgba(0,0,0,0.3); }
.product-img { width:100%; aspect-ratio:4/3; background:var(--dark2); display:flex; align-items:center; justify-content:center; overflow:hidden; }
.product-img img { width:100%; height:100%; object-fit:cover; transition:transform 0.5s; }
.product-card:hover .product-img img { transform:scale(1.06); }
.product-img-placeholder { font-family:'Unbounded',sans-serif; font-weight:700; font-size:3rem; color:rgba(46,196,160,0.08); }
.product-info { padding:24px; }
.product-name { font-family:'Unbounded',sans-serif; font-weight:700; font-size:1.05rem; margin-bottom:16px; }
.product-specs { display:flex; gap:24px; margin-bottom:20px; }
.spec-item { display:flex; flex-direction:column; gap:2px; }
.spec-label { font-size:0.7rem; color:var(--gray); text-transform:uppercase; letter-spacing:0.8px; }
.spec-value { font-weight:600; font-size:0.95rem; color:var(--warm); }
.product-price { display:inline-flex; align-items:center; padding:8px 20px; background:var(--teal); color:var(--black); border-radius:100px; font-family:'Unbounded',sans-serif; font-weight:700; font-size:0.85rem; }
.catalog-cta { text-align:center; }

/* ============================================
   ABOUT
   ============================================ */
.about { padding:100px 0; background:var(--black); overflow:hidden; }
.about-layout { display:grid; grid-template-columns:1fr 1fr; gap:48px; }
.about-text-block p { font-size:0.95rem; line-height:1.8; color:var(--warm2); opacity:0.7; margin-bottom:24px; }
.about-features { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:32px; }
.about-feature { background:var(--surface); border:1px solid var(--border2); border-radius:var(--radius); padding:24px; transition:border-color 0.3s; }
.about-feature:hover { border-color:var(--border); }
.about-feature-title { font-family:'Unbounded',sans-serif; font-weight:700; font-size:0.8rem; margin-bottom:10px; line-height:1.3; }
.about-feature-desc { font-size:0.78rem; color:var(--gray-light); line-height:1.6; }
.about-video { position:relative; border-radius:var(--radius-lg); overflow:hidden; aspect-ratio:16/9; background:var(--surface); border:1px solid var(--border2); display:flex; align-items:center; justify-content:center; }
.about-video::before { content:''; position:absolute; inset:0; background:rgba(11,15,14,0.45); z-index:1; pointer-events:none; transition:background 0.3s; }
.about-video:hover::before { background:rgba(11,15,14,0.3); }
.about-video iframe { width:100%; height:100%; border:none; position:relative; z-index:2; }
.video-placeholder { display:flex; flex-direction:column; align-items:center; gap:16px; color:var(--warm); cursor:pointer; position:relative; z-index:2; text-shadow:0 2px 12px rgba(0,0,0,0.8); }
.play-btn { width:72px; height:72px; border-radius:50%; background:var(--teal); display:flex; align-items:center; justify-content:center; color:var(--black); transition:transform 0.3s,box-shadow 0.3s; }
.play-btn:hover { transform:scale(1.1); box-shadow:0 0 40px rgba(46,196,160,0.35); }

/* Certification Logos */
.cert-logos { display:flex; gap:12px; flex-wrap:wrap; margin-top:20px; }
.cert-item { height:72px;  display:flex; align-items:center; justify-content:center; transition:all 0.3s; }
.cert-item:hover { border-color:var(--border); transform:scale(1.08); background:rgba(255,255,255,0.1); }
.cert-item img { max-width:100%; max-height:100%; object-fit:contain; border-radius:4px; }

/* ============================================
   PARTNERS (fix #1: brighter logos)
   ============================================ */
.partners { padding:100px 0; background:var(--dark); }
.partners-grid { display:grid; grid-template-columns:repeat(5,1fr); gap:16px; }
.partner-card { background:var(--surface); border:1px solid var(--border2); border-radius:var(--radius); padding:24px; display:flex; align-items:center; justify-content:center; min-height:100px; transition:all 0.3s; position:relative; overflow:hidden; }
.partner-card:hover { border-color:var(--border); transform:translateY(-3px); }
.partner-card img { max-width:80%; max-height:48px; object-fit:contain; filter:brightness(0.85) contrast(1.1); transition:filter 0.4s; }
.partner-card:hover img { filter:brightness(1.1) contrast(1); }
.partner-name { position:absolute; bottom:0; left:0; right:0; background:rgba(11,15,14,0.9); backdrop-filter:blur(6px); padding:8px 12px; font-family:'Unbounded',sans-serif; font-weight:600; font-size:0.6rem; color:var(--teal); text-align:center; letter-spacing:0.5px; line-height:1.4; transform:translateY(100%); transition:transform 0.3s; }
.partner-card:hover .partner-name { transform:translateY(0); }

/* ============================================
   CONTACTS
   ============================================ */
.contacts { padding:100px 0; background:var(--black); }
.contacts-layout { display:grid; grid-template-columns:1fr 1fr; gap:48px; }
.contact-items { display:flex; flex-direction:column; gap:32px; }
.contact-item { display:flex; align-items:flex-start; gap:20px; }
.contact-icon { width:48px; height:48px; border-radius:14px; background:var(--teal-glow); border:1px solid rgba(46,196,160,0.12); display:flex; align-items:center; justify-content:center; color:var(--teal); flex-shrink:0; }
.contact-label { font-size:0.75rem; color:var(--gray); text-transform:uppercase; letter-spacing:1px; margin-bottom:4px; }
.contact-value { font-weight:600; font-size:1rem; line-height:1.5; }
.contact-value a { color:var(--teal); transition:opacity 0.3s; }
.contact-value a:hover { opacity:0.8; }
.contact-map { border-radius:var(--radius-lg); overflow:hidden; border:1px solid var(--border2); background:var(--surface); min-height:380px; }

/* ============================================
   FOOTER
   ============================================ */
footer { padding:40px 0; background:var(--dark); border-top:1px solid var(--border2); }
.footer-content { display:flex; align-items:center; justify-content:space-between; }
.footer-copy { font-size:0.8rem; color:var(--gray); }
.footer-links { display:flex; gap:24px; }
.footer-links a { font-size:0.8rem; color:var(--gray); transition:color 0.3s; cursor:pointer; }
.footer-links a:hover { color:var(--teal); }

/* ============================================
   MODAL
   ============================================ */
.modal-overlay { display:none; position:fixed; inset:0; background:rgba(11,15,14,0.85); backdrop-filter:blur(12px); z-index:2000; align-items:center; justify-content:center; }
.modal-overlay.open { display:flex; }
.modal { background:var(--dark); border:1px solid var(--border2); border-radius:var(--radius-lg); padding:40px; max-width:480px; width:90%; position:relative; animation:modalIn 0.3s; }
@keyframes modalIn { from{opacity:0;transform:scale(0.95)translateY(20px)} to{opacity:1;transform:scale(1)translateY(0)} }
.modal-close { position:absolute; top:16px; right:16px; background:none; border:none; color:var(--gray); font-size:1.5rem; cursor:pointer; transition:color 0.2s; }
.modal-close:hover { color:var(--warm); }
.modal h3 { font-family:'Unbounded',sans-serif; font-weight:700; font-size:1.2rem; margin-bottom:20px; }
.modal-input { width:100%; padding:14px 20px; border:1px solid var(--border2); border-radius:var(--radius-sm); background:var(--surface); color:var(--warm); font-family:'Onest',sans-serif; font-size:0.95rem; outline:none; transition:border-color 0.3s; margin-bottom:16px; }
.modal-input:focus { border-color:var(--teal); }
.modal-info { font-size:0.85rem; color:var(--gray-light); line-height:1.6; margin-bottom:20px; }
.modal-info a { color:var(--teal); }
.modal-success { color:var(--teal); font-weight:600; text-align:center; padding:20px; }

/* ============================================
   CATALOG PAGE
   ============================================ */
.catalog-page { padding:100px 0 60px; min-height:100vh; }
.catalog-page-layout { display:grid; grid-template-columns:260px 1fr; gap:32px; }
.catalog-sidebar { position:sticky; top:100px; align-self:start; }
.sidebar-title { font-family:'Unbounded',sans-serif; font-weight:700; font-size:0.9rem; margin-bottom:16px; color:var(--warm); }
.sidebar-cat { padding:10px 16px; border-radius:var(--radius-sm); cursor:pointer; font-size:0.85rem; color:var(--gray-light); transition:all 0.2s; border:1px solid transparent; margin-bottom:4px; }
.sidebar-cat:hover { color:var(--warm); background:var(--teal-glow2); }
.sidebar-cat.active { color:var(--teal); background:var(--teal-glow2); border-color:var(--border); font-weight:600; }
.sidebar-sub { padding-left:16px; }
.sidebar-sub .sidebar-cat { font-size:0.8rem; padding:8px 12px; }
.catalog-products { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.catalog-page-header { margin-bottom:32px; }
.catalog-page-title { font-family:'Unbounded',sans-serif; font-weight:900; font-size:clamp(1.4rem,2.5vw,2rem); }
.catalog-count { color:var(--gray); font-size:0.85rem; margin-top:8px; }

/* ============================================
   PRODUCT PAGE
   ============================================ */
.product-page { padding:100px 0 60px; min-height:100vh; }
.product-page-layout { display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:start; }
.product-gallery { border-radius:var(--radius-lg); overflow:hidden; background:var(--dark2); aspect-ratio:1; display:flex; align-items:center; justify-content:center; }
.product-gallery img { width:100%; height:100%; object-fit:cover; }
.product-gallery-placeholder { font-family:'Unbounded',sans-serif; font-size:4rem; color:rgba(46,196,160,0.08); }
.product-detail-info { display:flex; flex-direction:column; gap:24px; }
.product-detail-title { font-family:'Unbounded',sans-serif; font-weight:900; font-size:1.6rem; }
.product-detail-desc { font-size:0.9rem; color:var(--warm2); opacity:0.7; line-height:1.7; }
.product-detail-price { font-family:'Unbounded',sans-serif; font-weight:700; font-size:1.8rem; color:var(--teal); }
.product-detail-specs { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.detail-spec { background:var(--surface); border:1px solid var(--border2); border-radius:var(--radius-sm); padding:16px; }
.detail-spec-label { font-size:0.7rem; color:var(--gray); text-transform:uppercase; letter-spacing:0.8px; margin-bottom:4px; }
.detail-spec-value { font-weight:600; font-size:0.95rem; }

/* Product tabs */
.product-tabs { display:flex; gap:4px; border-bottom:1px solid var(--border2); margin-top:48px; overflow-x:auto; -webkit-overflow-scrolling:touch; }
.product-tab { padding:12px 20px; background:none; border:none; font-family:'Onest',sans-serif; font-size:0.82rem; font-weight:500; color:var(--gray); cursor:pointer; border-bottom:2px solid transparent; transition:all 0.3s; margin-bottom:-1px; white-space:nowrap; flex-shrink:0; }
.product-tab:hover { color:var(--warm); }
.product-tab.active { color:var(--teal); border-bottom-color:var(--teal); }
.tab-content { display:none; padding:32px 0; font-size:0.9rem; color:var(--warm2); line-height:1.8; }
.tab-content.active { display:block; }

/* Add to cart button */
.btn-add-cart { display:inline-flex; align-items:center; gap:10px; padding:16px 40px; border:none; border-radius:100px; font-family:'Onest',sans-serif; font-weight:600; font-size:1rem; color:var(--black); background:var(--teal); cursor:pointer; transition:all 0.3s; }
.btn-add-cart:hover { background:var(--teal-light); transform:translateY(-2px); box-shadow:0 12px 40px rgba(46,196,160,0.25); }
.btn-add-cart.in-cart { background:var(--surface); color:var(--teal); border:1px solid var(--teal); }
.btn-add-cart.in-cart:hover { transform:none; box-shadow:none; }

/* Related products */
.related-section { padding:60px 0 100px; }
.related-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }

/* ============================================
   CART PAGE
   ============================================ */
.cart-page { padding:100px 0 60px; min-height:100vh; }
.cart-empty { text-align:center; padding:80px 20px; color:var(--gray); }
.cart-empty-icon { font-size:4rem; margin-bottom:20px; opacity:0.3; }
.cart-items { display:flex; flex-direction:column; gap:16px; margin-bottom:40px; }
.cart-item { display:grid; grid-template-columns:100px 1fr auto auto auto; gap:20px; align-items:center; padding:24px; background:var(--surface); border:1px solid var(--border2); border-radius:var(--radius); }
.cart-item-img { width:100px; height:80px; border-radius:var(--radius-sm); overflow:hidden; background:var(--dark2); display:flex; align-items:center; justify-content:center; }
.cart-item-img img { width:100%; height:100%; object-fit:cover; }
.cart-item-title { font-family:'Unbounded',sans-serif; font-weight:700; font-size:0.9rem; }
.cart-item-price { color:var(--gray-light); font-size:0.85rem; margin-top:4px; }
.cart-qty { display:flex; align-items:center; gap:8px; }
.cart-qty-btn { width:36px; height:36px; border-radius:50%; border:1px solid var(--border2); background:var(--surface2); color:var(--warm); display:flex; align-items:center; justify-content:center; cursor:pointer; font-size:1.1rem; transition:all 0.2s; }
.cart-qty-btn:hover { border-color:var(--teal); color:var(--teal); }
.cart-qty-input { width:64px; text-align:center; border:1px solid var(--border2); border-radius:var(--radius-sm); background:var(--surface); color:var(--warm); font-family:'Onest',sans-serif; font-size:1rem; font-weight:600; padding:10px 8px; outline:none; -moz-appearance:textfield; }
.cart-qty-input::-webkit-outer-spin-button,.cart-qty-input::-webkit-inner-spin-button { -webkit-appearance:none; margin:0; }
.cart-qty-input:focus { border-color:var(--teal); }
.cart-item-total { font-family:'Unbounded',sans-serif; font-weight:700; font-size:1rem; color:var(--teal); min-width:100px; text-align:right; }
.cart-item-remove { background:none; border:none; color:var(--gray); cursor:pointer; font-size:1.2rem; transition:color 0.2s; padding:8px; display:flex; align-items:center; justify-content:center; }
.cart-item-remove:hover { color:#e74c3c; }
.cart-summary { background:var(--surface); border:1px solid var(--border2); border-radius:var(--radius); padding:32px; display:flex; align-items:center; justify-content:space-between; }
.cart-total-label { font-size:1rem; color:var(--gray-light); }
.cart-total-value { font-family:'Unbounded',sans-serif; font-weight:900; font-size:1.6rem; color:var(--teal); }

/* ============================================
   DOCUMENTS PAGE
   ============================================ */
.docs-page { padding:100px 0 60px; min-height:100vh; }
.docs-filters { display:flex; gap:8px; margin-bottom:32px; flex-wrap:wrap; }
.docs-filter-btn { padding:10px 24px; border-radius:100px; border:1px solid var(--border2); background:transparent; color:var(--gray-light); font-family:'Onest',sans-serif; font-size:0.82rem; font-weight:500; cursor:pointer; transition:all 0.3s; }
.docs-filter-btn:hover { border-color:var(--teal); color:var(--teal); }
.docs-filter-btn.active { background:var(--teal); color:var(--black); border-color:var(--teal); font-weight:600; }
.docs-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:16px; }
.doc-card { display:flex; align-items:center; gap:16px; padding:20px 24px; background:var(--surface); border:1px solid var(--border2); border-radius:var(--radius); transition:all 0.3s; cursor:pointer; text-decoration:none; color:var(--warm); }
.doc-card:hover { border-color:var(--border); transform:translateY(-3px); box-shadow:0 12px 40px rgba(0,0,0,0.2); }
.doc-icon { width:48px; height:48px; border-radius:12px; background:var(--teal-glow); border:1px solid rgba(46,196,160,0.1); display:flex; align-items:center; justify-content:center; color:var(--teal); flex-shrink:0; }
.doc-info { flex:1; min-width:0; }
.doc-title { font-weight:600; font-size:0.9rem; margin-bottom:4px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.doc-type { font-size:0.72rem; color:var(--gray); text-transform:uppercase; letter-spacing:0.8px; }

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb { display:flex; align-items:center; gap:8px; font-size:0.8rem; color:var(--gray); margin-bottom:32px; flex-wrap:wrap; }
.breadcrumb a { color:var(--gray-light); transition:color 0.2s; cursor:pointer; }
.breadcrumb a:hover { color:var(--teal); }
.breadcrumb span { opacity:0.4; }

/* ============================================
   REVEAL
   ============================================ */
.reveal { opacity:0; transform:translateY(40px); transition:opacity 0.7s,transform 0.7s; }
.reveal.visible { opacity:1; transform:translateY(0); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media(max-width:1024px){
  .container{padding:0 32px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .about-layout{grid-template-columns:1fr}
  .partners-grid{grid-template-columns:repeat(3,1fr)}
  .catalog-page-layout{grid-template-columns:220px 1fr}
  .catalog-products{grid-template-columns:repeat(2,1fr)}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .product-page-layout{grid-template-columns:1fr}
}
@media(max-width:768px){
  .container{padding:0 20px}
  nav{padding:14px 20px}
  .nav-links,.nav-right{display:none}
  .burger{display:flex}
  .slide-content{padding:0 20px}
  .hero-controls{display:none}
  .hero-dots{display:flex}
  .categories,.services,.catalog-section,.about,.partners,.contacts{padding:64px 0}
  .section-header{margin-bottom:32px}
  .cat-grid,.catalog-grid,.catalog-products{grid-template-columns:1fr}
  .services-grid{gap:12px}
  .svc-card{grid-template-columns:1fr;gap:16px;padding:24px}
  .svc-num{font-size:1.8rem}
  .svc-icon{display:none}
  .about-features{grid-template-columns:1fr}
  .contacts-layout{grid-template-columns:1fr}
  .partners-grid{grid-template-columns:repeat(2,1fr)}
  .footer-content{flex-direction:column;gap:16px;text-align:center}
  .catalog-page-layout{grid-template-columns:1fr}
  .catalog-sidebar{position:static;display:flex;flex-wrap:wrap;gap:8px}
  .sidebar-title{width:100%}
  .related-grid{grid-template-columns:1fr}
  .cart-item{grid-template-columns:80px 1fr;gap:12px}
  .cart-item-total,.cart-qty,.cart-item-remove{grid-column:2}
  .cart-summary{flex-direction:column;gap:20px;text-align:center}
  .product-page-layout{gap:32px}
}