/* ══════════════════════════════════════
   SURTECSA — Estilos Principales
   ══════════════════════════════════════ */

:root {
  --navy: #0A1A6B;
  --navy-mid: #0D2080;
  --navy-light: #1535B0;
  --white: #F5F8FF;
  --gold: #E8B820;
  --gold-light: #F5D050;
  --gold-dark: #C49A10;
  --gray: #8A9FCC;
  --gray-light: #C8D5F0;
  --card-bg: #0B1E78;
  --border: rgba(232,184,32,0.22);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Barlow', sans-serif; background: var(--navy); color: var(--white); overflow-x: hidden; }



/* ══ NAVBAR ══ */
#navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(10,26,107,0.97); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); transition: all 0.3s; }
.nav-inner { max-width: 1400px; margin: 0 auto; padding: 0 32px; display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; cursor: pointer; }
.logo-icon { width: 46px; height: 46px; background: white; border-radius: 8px; display: flex; align-items: center; justify-content: center; box-shadow: 0 0 20px rgba(232,184,32,0.5); flex-shrink: 0; }
.logo-text-wrap { display: flex; flex-direction: column; line-height: 1; }
.logo-text { font-family: 'Rajdhani', sans-serif; font-size: 26px; font-weight: 700; color: var(--white); letter-spacing: 3px; }
.logo-text span { color: var(--gold); }
.logo-sub { font-size: 9px; color: var(--gray-light); letter-spacing: 0.3px; margin-top: 2px; white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 2px; list-style: none; flex-wrap: nowrap; }
.nav-links a { color: var(--gray-light); text-decoration: none; font-family: 'Barlow Condensed', sans-serif; font-size: 14px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; padding: 8px 10px; border-radius: 6px; transition: all 0.2s; position: relative; cursor: pointer; white-space: nowrap; }
.nav-links a:hover, .nav-links a.active { color: var(--gold); background: rgba(232,184,32,0.08); }
.nav-links a.active::after { content: ''; position: absolute; bottom: 2px; left: 16px; right: 16px; height: 2px; background: var(--gold); border-radius: 2px; }
.nav-cta { background: linear-gradient(135deg,var(--gold),var(--gold-dark)) !important; color: var(--navy) !important; font-weight: 700 !important; padding: 8px 14px !important; border-radius: 6px; white-space: nowrap; }
.cart-nav-btn { position: relative; background: rgba(232,184,32,0.12) !important; border: 1px solid rgba(232,184,32,0.3) !important; color: var(--gold) !important; white-space: nowrap; }
#cart-count-badge { position: absolute; top: -4px; right: -4px; background: var(--gold); color: var(--navy); font-size: 10px; font-weight: 700; width: 18px; height: 18px; border-radius: 50%; display: none; align-items: center; justify-content: center; }
#cart-count-badge.show { display: flex; }
.theme-btn { width: 38px; height: 38px; border-radius: 8px; background: rgba(232,184,32,0.12); border: 1px solid rgba(232,184,32,0.3); color: var(--gold); cursor: pointer; font-size: 16px; display: flex; align-items: center; justify-content: center; transition: all 0.2s; flex-shrink: 0; }
.theme-btn:hover { background: rgba(232,184,32,0.25); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 25px; height: 2px; background: var(--white); border-radius: 2px; transition: all 0.3s; }
.mobile-menu { display: none; position: fixed; top: 70px; left: 0; right: 0; background: rgba(10,26,107,0.99); backdrop-filter: blur(12px); padding: 20px; z-index: 999; border-bottom: 1px solid var(--border); flex-direction: column; gap: 4px; }
.mobile-menu.open { display: flex; }
.mobile-menu a { color: var(--gray-light); text-decoration: none; font-family: 'Barlow Condensed', sans-serif; font-size: 16px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; padding: 12px 16px; border-radius: 6px; cursor: pointer; }
.mobile-menu a:hover { color: var(--gold); background: rgba(232,184,32,0.08); }

/* ══ PAGES ══ */
.page { display: none; }
.page.active { display: block; }

/* ══ BUTTONS ══ */
.btn-primary { background: linear-gradient(135deg,var(--gold),var(--gold-dark)); color: var(--navy); padding: 14px 36px; border-radius: 6px; border: none; cursor: pointer; font-family: 'Barlow Condensed', sans-serif; font-size: 16px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; text-decoration: none; transition: all 0.25s; box-shadow: 0 4px 20px rgba(232,184,32,0.35); display: inline-flex; align-items: center; gap: 8px; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(232,184,32,0.5); }
.btn-outline { background: transparent; color: var(--white); padding: 14px 36px; border-radius: 6px; border: 1px solid rgba(255,255,255,0.25); cursor: pointer; font-family: 'Barlow Condensed', sans-serif; font-size: 16px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; text-decoration: none; transition: all 0.25s; display: inline-flex; align-items: center; gap: 8px; }
.btn-outline:hover { border-color: var(--gold); color: var(--gold); background: rgba(232,184,32,0.06); }

/* ══ HERO SLIDER ══ */
#hero-slider { position: relative; height: 100vh; min-height: 600px; overflow: hidden; padding-top: 70px; }
.slide { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.8s ease; background-size: cover; background-position: center; }
.slide::before { content: ''; position: absolute; inset: 0; background: rgba(10,26,107,0.55); z-index: 1; }
.slide-content { position: relative; z-index: 2; }
.slide.active { opacity: 1; }
.slide-1 { background: url('https://tagvjjpfrpomwlpwavbp.supabase.co/storage/v1/object/public/productos/Tienda1.webp') center/cover no-repeat; }
.slide-2 { background: url('https://tagvjjpfrpomwlpwavbp.supabase.co/storage/v1/object/public/productos/Tienda2.webp') center/cover no-repeat; }
.slide-3 { background: url('https://tagvjjpfrpomwlpwavbp.supabase.co/storage/v1/object/public/productos/Tienda3.webp') center/cover no-repeat; }
.slide-bg-art { position: absolute; inset: 0; overflow: hidden; }
.glow-orb { position: absolute; border-radius: 50%; pointer-events: none; background: radial-gradient(circle,rgba(232,184,32,0.08) 0%,transparent 70%); }
.slide-content { position: relative; z-index: 2; text-align: center; max-width: 860px; padding: 40px 24px; }
.slide-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(232,184,32,0.12); border: 1px solid rgba(232,184,32,0.3); color: var(--gold); padding: 6px 18px; border-radius: 40px; font-size: 12px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 24px; }
.slide-title { font-family: 'Rajdhani', sans-serif; font-size: clamp(38px,6vw,76px); font-weight: 700; line-height: 1.05; letter-spacing: -1px; margin-bottom: 20px; }
.slide-title .hl { color: var(--gold); text-shadow: 0 0 40px rgba(232,184,32,0.4); }
.slide-desc { font-size: 18px; color: var(--gray-light); line-height: 1.7; max-width: 560px; margin: 0 auto 36px; }
.slide-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.slider-dots { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 10; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.3); cursor: pointer; transition: all 0.3s; border: none; }
.dot.active { background: var(--gold); width: 28px; border-radius: 4px; }
.slider-arrow { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(232,184,32,0.15); border: 1px solid rgba(232,184,32,0.3); color: var(--gold); width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; z-index: 10; transition: all 0.25s; font-size: 16px; }
.slider-arrow:hover { background: var(--gold); color: var(--navy); }
.slider-prev { left: 24px; }
.slider-next { right: 24px; }

/* ══ STATS ══ */
.stats-bar { background: var(--card-bg); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.stats-inner { max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: repeat(4,1fr); }
.stat-item { padding: 28px 24px; text-align: center; border-right: 1px solid var(--border); }
.stat-item:last-child { border-right: none; }
.stat-num { font-family: 'Rajdhani', sans-serif; font-size: 36px; font-weight: 700; color: var(--gold); line-height: 1; }
.stat-label { font-size: 13px; color: var(--gray); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }

/* ══ SECTIONS ══ */
section { padding: 80px 0; }
section:nth-child(even) { background: var(--card-bg); }
.section-inner { max-width: 1400px; margin: 0 auto; padding: 0 32px; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag { display: flex; align-items: center; justify-content: center; gap: 6px; color: var(--gold); font-size: 12px; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; margin-bottom: 12px; }
.section-tag::before, .section-tag::after { content: ''; display: block; width: 20px; height: 1px; background: var(--gold); }
.section-title { font-family: 'Rajdhani', sans-serif; font-size: clamp(28px,4vw,44px); font-weight: 700; letter-spacing: -0.5px; text-align: center; }
.section-title span { color: var(--gold); }
.section-sub { font-size: 17px; color: var(--gray); margin-top: 12px; max-width: 560px; margin-left: auto; margin-right: auto; line-height: 1.7; text-align: center; }

/* ══ ABOUT ══ */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-img-box { background: linear-gradient(135deg,var(--navy-light),var(--navy-mid)); border: 1px solid var(--border); border-radius: 16px; padding: 48px 32px 40px; text-align: center; position: relative; overflow: hidden; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.about-img-box::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: conic-gradient(from 0deg,transparent 0%,rgba(232,184,32,0.05) 25%,transparent 50%); animation: spin 12s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.about-icons-row { position: relative; z-index: 1; display: flex; justify-content: center; align-items: center; gap: 20px; margin-bottom: 32px; }
.about-icon-item { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.about-icon-circle { width: 72px; height: 72px; background: rgba(255,255,255,0.07); border: 1px solid rgba(232,184,32,0.3); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 30px; transition: all 0.3s; }
.about-icon-circle:hover { background: rgba(232,184,32,0.12); border-color: var(--gold); transform: translateY(-4px); }
.about-icon-label { font-size: 11px; color: var(--gray-light); font-weight: 500; }
.about-badges { position: relative; z-index: 1; display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.about-badge { background: rgba(232,184,32,0.1); border: 1px solid rgba(232,184,32,0.3); color: var(--gold); padding: 7px 16px; border-radius: 20px; font-size: 12px; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.about-text .section-tag { justify-content: flex-start; text-align: left; }
.about-text .section-title { text-align: left; }
.about-text h3 { font-family: 'Rajdhani', sans-serif; font-size: 32px; font-weight: 700; margin-bottom: 16px; }
.about-text h3 span { color: var(--gold); }
.about-text p { color: var(--gray-light); line-height: 1.8; margin-bottom: 16px; font-size: 15.5px; }
.feature-list { list-style: none; margin: 24px 0; }
.feature-list li { display: flex; align-items: flex-start; gap: 12px; color: var(--gray-light); font-size: 15px; margin-bottom: 12px; }
.feature-list li i { color: var(--gold); margin-top: 2px; flex-shrink: 0; }

/* ══ BRANDS ══ */
.brands-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 16px; }
.brand-card { background: var(--navy-mid); border: 1px solid var(--border); border-radius: 10px; padding: 24px 16px; text-align: center; transition: all 0.25s; }
.brand-card:hover { border-color: var(--gold); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(232,184,32,0.15); }
.brand-icon { font-size: 36px; margin-bottom: 8px; }
.brand-name { font-family: 'Rajdhani', sans-serif; font-size: 16px; font-weight: 700; color: var(--white); letter-spacing: 1px; }
.brand-cat { font-size: 11px; color: var(--gray); margin-top: 2px; }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); gap: 24px; }
.project-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px; padding: 32px; text-align: center; }
.project-card h3 { font-family: 'Rajdhani', sans-serif; font-size: 20px; margin-bottom: 10px; }
.project-card p { color: var(--gray); font-size: 14px; line-height: 1.7; }

/* ══ CATALOG ══ */
.catalog-header { background: linear-gradient(180deg,var(--navy-mid) 0%,var(--navy) 100%); padding: 100px 0 40px; border-bottom: 1px solid var(--border); }
.catalog-search-wrap { max-width: 680px; margin: 20px auto 0; position: relative; }
.catalog-search { width: 100%; padding: 18px 60px 18px 20px; background: rgba(255,255,255,0.05); border: 1px solid rgba(232,184,32,0.3); border-radius: 10px; color: var(--white); font-size: 16px; font-family: 'Barlow', sans-serif; outline: none; transition: all 0.25s; }
.catalog-search::placeholder { color: var(--gray); }
.catalog-search:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(232,184,32,0.1); }
.search-icon { position: absolute; right: 18px; top: 50%; transform: translateY(-50%); color: var(--gold); font-size: 18px; pointer-events: none; }
.filter-advanced { max-width: 1400px; margin: 0 auto; padding: 20px 32px 24px; }
.filter-label { font-family: 'Barlow Condensed', sans-serif; font-size: 12px; font-weight: 700; letter-spacing: 1.5px; color: var(--gold); text-transform: uppercase; margin-bottom: 10px; display: block; }
.filter-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.ftag { padding: 6px 14px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.12); border-radius: 20px; color: var(--gray-light); font-size: 12px; cursor: pointer; transition: all 0.2s; font-family: 'Barlow', sans-serif; }
.ftag:hover, .ftag.on { background: rgba(232,184,32,0.12); border-color: rgba(232,184,32,0.4); color: var(--gold); }
.filter-row-wrap { display: flex; gap: 24px; flex-wrap: wrap; align-items: flex-start; }
.filter-col { flex: 1; min-width: 180px; }
.filter-clear { padding: 6px 16px; background: none; border: 1px solid rgba(255,100,100,0.3); border-radius: 20px; color: #ff8888; font-size: 12px; cursor: pointer; font-family: 'Barlow', sans-serif; transition: all 0.2s; align-self: flex-end; }
.filter-clear:hover { background: rgba(255,100,100,0.1); }
.results-info { font-size: 13px; color: var(--gray); margin-top: 14px; text-align: center; }
.results-info strong { color: var(--gold); }
.catalog-main { display: grid; grid-template-columns: 240px 1fr; gap: 32px; max-width: 1400px; margin: 0 auto; padding: 40px 32px; align-items: start; }
.cat-sidebar { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; position: sticky; top: 90px; }
.sidebar-title { padding: 16px 20px; background: var(--navy-mid); font-family: 'Barlow Condensed', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: 2px; color: var(--gold); text-transform: uppercase; border-bottom: 1px solid var(--border); }
.cat-filter-btn { display: flex; align-items: center; gap: 12px; width: 100%; padding: 13px 20px; background: none; border: none; border-bottom: 1px solid rgba(255,255,255,0.04); color: var(--gray-light); cursor: pointer; font-family: 'Barlow', sans-serif; font-size: 14px; text-align: left; transition: all 0.2s; }
.cat-filter-btn:hover { background: rgba(232,184,32,0.06); color: var(--white); }
.cat-filter-btn.active { background: rgba(232,184,32,0.1); color: var(--gold); border-left: 3px solid var(--gold); }
.cat-filter-btn i { font-size: 15px; width: 18px; text-align: center; }
.cat-filter-btn .count { margin-left: auto; background: rgba(232,184,32,0.15); color: var(--gold); font-size: 11px; padding: 2px 8px; border-radius: 20px; }
.cat-section-title { font-family: 'Rajdhani', sans-serif; font-size: 22px; font-weight: 700; color: var(--white); margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.cat-section-title i { color: var(--gold); }
.products-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(210px,1fr)); gap: 20px; margin-bottom: 48px; }
.product-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; transition: all 0.25s; cursor: pointer; display: flex; flex-direction: column; }
.product-card:hover { border-color: rgba(232,184,32,0.5); transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.4); }
.product-img { height: 200px; background: linear-gradient(135deg,var(--navy-mid),var(--navy-light)); display: flex; align-items: center; justify-content: center; font-size: 52px; position: relative; overflow: hidden; }
.product-img img { width: 100%; height: 100%; object-fit: contain; padding: 10px; }
.product-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to bottom,transparent 60%,rgba(10,26,107,0.4)); }
.product-badge { position: absolute; top: 10px; right: 10px; z-index: 1; background: var(--gold); color: var(--navy); font-size: 10px; font-weight: 700; padding: 3px 8px; border-radius: 4px; }
.product-info { padding: 14px; flex: 1; display: flex; flex-direction: column; }
.product-code { font-size: 11px; color: var(--gold); font-weight: 600; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 3px; }
.product-name { font-family: 'Barlow Condensed', sans-serif; font-size: 15px; font-weight: 700; color: var(--white); line-height: 1.3; flex: 1; }
.product-cat { font-size: 12px; color: var(--gray); margin-top: 5px; }
.product-actions { display: flex; gap: 6px; margin-top: 12px; }
.btn-detail { flex: 1; padding: 8px; background: rgba(232,184,32,0.1); border: 1px solid rgba(232,184,32,0.25); border-radius: 6px; color: var(--gold); font-size: 12px; font-weight: 600; cursor: pointer; transition: all 0.2s; font-family: 'Barlow', sans-serif; text-align: center; }
.btn-detail:hover { background: rgba(232,184,32,0.2); }
.btn-wa-card { padding: 8px 10px; background: rgba(37,211,102,0.12); border: 1px solid rgba(37,211,102,0.3); border-radius: 6px; color: #25D366; font-size: 14px; cursor: pointer; transition: all 0.2s; text-decoration: none; display: flex; align-items: center; }
.btn-wa-card:hover { background: rgba(37,211,102,0.25); }
.btn-cart { padding: 8px 10px; background: rgba(232,184,32,0.12); border: 1px solid rgba(232,184,32,0.3); border-radius: 6px; color: var(--gold); font-size: 14px; cursor: pointer; transition: all 0.2s; }
.btn-cart:hover { background: rgba(232,184,32,0.25); }
.btn-cart.added { background: var(--gold); color: var(--navy); }
.no-results { text-align: center; padding: 60px 20px; color: var(--gray); display: none; }
.no-results i { font-size: 48px; margin-bottom: 16px; display: block; opacity: 0.4; }

/* ══ MODAL ══ */
.modal-overlay { display: none; position: fixed; inset: 0; z-index: 2000; background: rgba(5,12,25,0.92); backdrop-filter: blur(8px); overflow-y: auto; padding: 40px 20px; }
.modal-overlay.open { display: flex; align-items: flex-start; justify-content: center; }
.modal-box { background: var(--navy-mid); border: 1px solid var(--border); border-radius: 16px; max-width: 860px; width: 100%; overflow: visible; position: relative; }
.modal-close { position: absolute; top: -16px; right: -16px; z-index: 2100; background: var(--gold); border: none; color: var(--navy); width: 36px; height: 36px; border-radius: 50%; cursor: pointer; font-size: 15px; font-weight: 700; display: flex; align-items: center; justify-content: center; transition: all 0.2s; box-shadow: 0 2px 8px rgba(0,0,0,0.5); }
.modal-close:hover { background: rgba(232,184,32,0.2); color: var(--gold); }
.modal-grid { display: grid; grid-template-columns: 1.2fr 1fr; }
.modal-img-col { background: linear-gradient(135deg,var(--navy-light),var(--navy)); display: flex; flex-direction: column; align-items: center; justify-content: space-between; padding: 16px 12px; gap: 0; min-height: 380px; }
.modal-main-img { width: 100%; flex: 1; display: flex; align-items: center; justify-content: center; overflow: hidden; border-radius: 10px; background: rgba(255,255,255,0.03); min-height: 280px; margin-bottom: 12px; }
.modal-main-img img { width: 100%; height: 100%; object-fit: contain; }
.modal-thumbs { display: flex; gap: 10px; justify-content: center; margin-top: 8px; }
.modal-thumb { width: 50px; height: 50px; border-radius: 8px; background: rgba(255,255,255,0.05); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 20px; cursor: pointer; transition: all 0.2s; overflow: hidden; }
.modal-thumb.active, .modal-thumb:hover { border-color: var(--gold); background: rgba(232,184,32,0.1); }
.modal-info { padding: 36px 32px; }
.modal-code { font-size: 12px; color: var(--gold); font-weight: 600; letter-spacing: 2px; }
.modal-name { font-family: 'Rajdhani', sans-serif; font-size: 26px; font-weight: 700; margin: 8px 0 4px; }
.modal-cat { color: var(--gray); font-size: 13px; margin-bottom: 20px; }
.modal-desc { color: var(--gray-light); font-size: 14.5px; line-height: 1.7; margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.specs-title { font-family: 'Barlow Condensed', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: 2px; color: var(--gold); text-transform: uppercase; margin-bottom: 12px; }
.specs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 24px; }
.spec-item { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06); border-radius: 6px; padding: 10px 12px; }
.spec-key { font-size: 11px; color: var(--gray); text-transform: uppercase; letter-spacing: 0.5px; }
.spec-val { font-size: 14px; color: var(--white); font-weight: 600; margin-top: 2px; }
.modal-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.btn-wa-full { flex: 1; padding: 13px; background: #25D366; border: none; border-radius: 8px; color: white; font-size: 15px; font-weight: 700; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 8px; font-family: 'Barlow', sans-serif; text-decoration: none; min-width: 160px; transition: all 0.2s; }
.btn-wa-full:hover { background: #1da851; transform: translateY(-1px); }
.btn-add-cart-modal { flex: 1; padding: 13px; background: linear-gradient(135deg,var(--gold),var(--gold-dark)); border: none; border-radius: 8px; color: var(--navy); font-size: 15px; font-weight: 700; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 8px; font-family: 'Barlow', sans-serif; min-width: 160px; transition: all 0.2s; }
.btn-add-cart-modal:hover { opacity: 0.9; transform: translateY(-1px); }

/* ══ CART ══ */
.cart-overlay { display: none; position: fixed; inset: 0; z-index: 3000; background: rgba(5,12,25,0.7); backdrop-filter: blur(4px); }
.cart-overlay.open { display: block; }
.cart-panel { position: fixed; top: 0; right: -420px; width: 400px; height: 100vh; background: var(--navy-mid); border-left: 1px solid var(--border); z-index: 3001; display: flex; flex-direction: column; transition: right 0.35s cubic-bezier(0.4,0,0.2,1); box-shadow: -20px 0 60px rgba(0,0,0,0.5); }
.cart-panel.open { right: 0; }
.cart-header { padding: 20px 24px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.cart-header h3 { font-family: 'Rajdhani', sans-serif; font-size: 22px; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.cart-header h3 span { color: var(--gold); }
.cart-close { background: none; border: none; color: var(--gray); font-size: 20px; cursor: pointer; padding: 4px; }
.cart-close:hover { color: var(--white); }
.cart-items { flex: 1; overflow-y: auto; padding: 16px; }
.cart-items::-webkit-scrollbar { width: 4px; }
.cart-items::-webkit-scrollbar-thumb { background: rgba(232,184,32,0.3); border-radius: 2px; }
.cart-empty { text-align: center; padding: 60px 20px; color: var(--gray); }
.cart-empty i { font-size: 48px; display: block; margin-bottom: 16px; opacity: 0.4; }
.cart-item { display: flex; gap: 12px; padding: 14px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06); border-radius: 10px; margin-bottom: 10px; }
.cart-item-emoji { font-size: 28px; width: 50px; height: 50px; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.05); border-radius: 8px; flex-shrink: 0; }
.cart-item-info { flex: 1; }
.cart-item-name { font-size: 13px; font-weight: 600; color: var(--white); line-height: 1.3; }
.cart-item-code { font-size: 11px; color: var(--gold); margin-top: 2px; }
.cart-item-qty { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.qty-btn { width: 26px; height: 26px; border-radius: 6px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.1); color: var(--white); cursor: pointer; font-size: 14px; display: flex; align-items: center; justify-content: center; transition: all 0.2s; }
.qty-btn:hover { background: rgba(232,184,32,0.2); color: var(--gold); }
.qty-num { font-size: 14px; font-weight: 700; min-width: 24px; text-align: center; }
.cart-item-del { background: none; border: none; color: var(--gray); cursor: pointer; font-size: 14px; padding: 4px; transition: color 0.2s; }
.cart-item-del:hover { color: #ff6b6b; }
.cart-footer { padding: 20px 24px; border-top: 1px solid var(--border); }
.cart-count-line { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; font-size: 15px; color: var(--gray-light); }
.cart-count-line strong { font-size: 18px; color: var(--white); }
.cart-note { width: 100%; padding: 10px 14px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1); border-radius: 8px; color: var(--white); font-family: 'Barlow', sans-serif; font-size: 13px; outline: none; margin-bottom: 14px; resize: vertical; min-height: 70px; }
.cart-note:focus { border-color: var(--gold); }
.btn-send-wa { width: 100%; padding: 15px; background: #25D366; border: none; border-radius: 10px; color: white; font-family: 'Barlow Condensed', sans-serif; font-size: 17px; font-weight: 700; letter-spacing: 1px; cursor: pointer; transition: all 0.25s; display: flex; align-items: center; justify-content: center; gap: 10px; }
.btn-send-wa:hover { background: #1da851; transform: translateY(-1px); }
.btn-clear-cart { width: 100%; padding: 10px; background: none; border: 1px solid rgba(255,255,255,0.1); border-radius: 8px; color: var(--gray); font-size: 13px; cursor: pointer; margin-top: 8px; font-family: 'Barlow', sans-serif; }
.btn-clear-cart:hover { border-color: #ff6b6b; color: #ff6b6b; }

/* ══ CALCULATOR ══ */
.calc-page { padding-top: 90px; }
.calc-hero { background: linear-gradient(180deg,var(--navy-mid) 0%,var(--navy) 100%); padding: 60px 0 50px; text-align: center; border-bottom: 1px solid var(--border); }
.calc-grid { max-width: 1100px; margin: 50px auto; padding: 0 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.calc-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px; padding: 32px; }
.calc-card h3 { font-family: 'Rajdhani', sans-serif; font-size: 22px; font-weight: 700; margin-bottom: 6px; display: flex; align-items: center; gap: 10px; }
.calc-card h3 i { color: var(--gold); }
.calc-card p.desc { color: var(--gray); font-size: 13px; margin-bottom: 24px; }
.calc-group { margin-bottom: 18px; }
.calc-group label { display: block; font-size: 12px; font-weight: 600; color: var(--gray); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 7px; }
.calc-group input, .calc-group select { width: 100%; padding: 12px 14px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1); border-radius: 8px; color: var(--white); font-family: 'Barlow', sans-serif; font-size: 14px; outline: none; transition: border-color 0.2s; }
.calc-group input:focus, .calc-group select:focus { border-color: var(--gold); }
.calc-group select option { background: var(--navy-mid); }
.calc-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.btn-calc { width: 100%; padding: 13px; background: linear-gradient(135deg,var(--gold),var(--gold-dark)); border: none; border-radius: 8px; color: var(--navy); font-family: 'Barlow Condensed', sans-serif; font-size: 16px; font-weight: 700; letter-spacing: 1px; cursor: pointer; transition: all 0.25s; margin-top: 4px; }
.btn-calc:hover { opacity: 0.9; transform: translateY(-1px); }
.calc-result { margin-top: 20px; padding: 20px; background: rgba(232,184,32,0.06); border: 1px solid rgba(232,184,32,0.2); border-radius: 10px; display: none; }
.calc-result.show { display: block; }
.result-row { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.result-row:last-child { border-bottom: none; }
.result-key { font-size: 13px; color: var(--gray-light); }
.result-val { font-size: 15px; font-weight: 700; color: var(--gold); }
.calc-note { font-size: 12px; color: var(--gray); margin-top: 12px; line-height: 1.6; padding-top: 12px; border-top: 1px solid rgba(255,255,255,0.05); }

/* ══ CONTACT ══ */
.contact-page { padding-top: 90px; }
.contact-hero { background: linear-gradient(180deg,var(--navy-mid) 0%,var(--navy) 100%); padding: 60px 0 50px; text-align: center; border-bottom: 1px solid var(--border); }
.contact-grid { max-width: 1100px; margin: 60px auto; padding: 0 32px; display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; }
.contact-info h3 { font-family: 'Rajdhani', sans-serif; font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.contact-info p { color: var(--gray-light); font-size: 15px; line-height: 1.7; margin-bottom: 32px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
.contact-icon { width: 44px; height: 44px; flex-shrink: 0; background: rgba(232,184,32,0.1); border: 1px solid rgba(232,184,32,0.2); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--gold); font-size: 17px; }
.contact-item-text { font-size: 14px; color: var(--gray-light); }
.contact-item-text strong { color: var(--white); display: block; margin-bottom: 2px; font-size: 15px; }
.wa-big { background: linear-gradient(135deg,#25D366,#1da851); border-radius: 12px; padding: 20px 24px; display: flex; align-items: center; gap: 16px; margin-top: 32px; cursor: pointer; transition: all 0.25s; text-decoration: none; }
.wa-big:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,211,102,0.3); }
.wa-big i { font-size: 32px; color: white; }
.wa-big-text { color: white; }
.wa-big-text strong { display: block; font-size: 17px; }
.wa-big-text span { font-size: 13px; opacity: 0.85; }
.contact-form { background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px; padding: 36px; }
.form-title { font-family: 'Rajdhani', sans-serif; font-size: 22px; font-weight: 700; margin-bottom: 24px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--gray); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 13px 16px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1); border-radius: 8px; color: var(--white); font-family: 'Barlow', sans-serif; font-size: 15px; outline: none; transition: all 0.2s; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--gold); }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-group select option { background: var(--navy-mid); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit { width: 100%; padding: 15px; background: linear-gradient(135deg,var(--gold),var(--gold-dark)); border: none; border-radius: 8px; color: var(--navy); font-family: 'Barlow Condensed', sans-serif; font-size: 16px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; cursor: pointer; transition: all 0.25s; }
.form-submit:hover { opacity: 0.9; transform: translateY(-1px); }
.success-msg { display: none; background: rgba(37,211,102,0.1); border: 1px solid rgba(37,211,102,0.3); color: #25D366; padding: 14px 18px; border-radius: 8px; margin-top: 16px; font-size: 14px; text-align: center; }

/* ══ FAQ ══ */
.faq-page { padding-top: 90px; }
.faq-hero { background: linear-gradient(180deg,var(--navy-mid) 0%,var(--navy) 100%); padding: 60px 0 50px; text-align: center; border-bottom: 1px solid var(--border); }
.faq-list { max-width: 800px; margin: 60px auto; padding: 0 32px; }
.faq-item { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; margin-bottom: 12px; transition: all 0.25s; }
.faq-item.open { border-color: rgba(232,184,32,0.4); }
.faq-q { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; cursor: pointer; background: var(--card-bg); transition: background 0.2s; gap: 16px; }
.faq-q:hover { background: rgba(232,184,32,0.05); }
.faq-q-text { font-size: 16px; font-weight: 600; color: var(--white); }
.faq-item.open .faq-q-text { color: var(--gold); }
.faq-icon { color: var(--gold); font-size: 14px; flex-shrink: 0; transition: transform 0.3s; }
.faq-item.open .faq-icon { transform: rotate(180deg); }
.faq-a { display: none; padding: 16px 24px 20px; background: var(--card-bg); color: var(--gray-light); font-size: 15px; line-height: 1.8; border-top: 1px solid var(--border); }
.faq-item.open .faq-a { display: block; }

/* ══ BOT ══ */
.bot-bubble { position: fixed; bottom: 24px; right: 24px; z-index: 1500; }
.bot-toggle { width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(135deg,var(--navy-light),var(--gold-dark)); border: 2px solid var(--gold); box-shadow: 0 4px 20px rgba(232,184,32,0.4); cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 22px; color: white; transition: all 0.3s; animation: pbot 3s infinite; }
.bot-toggle:hover { transform: scale(1.1); }
@keyframes pbot { 0%,100% { box-shadow: 0 4px 20px rgba(232,184,32,0.4); } 50% { box-shadow: 0 4px 30px rgba(232,184,32,0.7); } }
.bot-window { display: none; position: absolute; bottom: 68px; right: 0; width: 340px; background: var(--navy-mid); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.6); }
.bot-window.open { display: flex; flex-direction: column; }
.bot-header { background: linear-gradient(135deg,var(--navy-light),var(--navy-mid)); padding: 14px 18px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--border); }
.bot-avatar { width: 36px; height: 36px; background: var(--gold); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 16px; }
.bot-header-text strong { display: block; font-size: 14px; color: var(--white); }
.bot-header-text span { font-size: 11px; color: #25D366; }
.bot-x { margin-left: auto; background: none; border: none; color: var(--gray); cursor: pointer; font-size: 16px; display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; transition: all 0.2s; }
.bot-x:hover { background: rgba(255,255,255,0.1); color: var(--white); }
.bot-messages { height: 260px; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.bot-messages::-webkit-scrollbar { width: 4px; }
.bot-messages::-webkit-scrollbar-thumb { background: rgba(232,184,32,0.3); border-radius: 2px; }
.msg { max-width: 85%; font-size: 13.5px; line-height: 1.5; padding: 10px 13px; border-radius: 12px; }
.msg.bot { background: rgba(255,255,255,0.06); color: var(--gray-light); border-radius: 4px 12px 12px 12px; align-self: flex-start; }
.msg.bot a { color: var(--gold); }
.msg.user { background: linear-gradient(135deg,var(--gold),var(--gold-dark)); color: var(--navy); font-weight: 600; border-radius: 12px 12px 4px 12px; align-self: flex-end; }
.bot-typing { align-self: flex-start; padding: 10px 14px; background: rgba(255,255,255,0.06); border-radius: 4px 12px 12px 12px; }
.bot-typing span { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--gray); margin: 0 2px; animation: blink 1.4s infinite; }
.bot-typing span:nth-child(2) { animation-delay: 0.2s; }
.bot-typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes blink { 0%,80%,100% { opacity: 0.3; } 40% { opacity: 1; } }
.bot-chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 14px 10px; }
.chip { padding: 5px 11px; background: rgba(232,184,32,0.1); border: 1px solid rgba(232,184,32,0.25); border-radius: 20px; color: var(--gold); font-size: 12px; cursor: pointer; transition: all 0.2s; }
.chip:hover { background: rgba(232,184,32,0.2); }
.bot-input-area { display: flex; padding: 10px; gap: 8px; border-top: 1px solid var(--border); }
.bot-input { flex: 1; padding: 9px 13px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: 8px; color: var(--white); font-family: 'Barlow', sans-serif; font-size: 13px; outline: none; }
.bot-input:focus { border-color: var(--gold); }
.bot-send { width: 36px; height: 36px; background: var(--gold); border: none; border-radius: 8px; color: var(--navy); cursor: pointer; font-size: 13px; display: flex; align-items: center; justify-content: center; }
.bot-send:hover { background: var(--gold-light); }

/* ══ FOOTER ══ */
footer { background: var(--navy-mid); border-top: 1px solid var(--border); padding: 60px 0 20px; }
.footer-inner { max-width: 1400px; margin: 0 auto; padding: 0 32px; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand p { color: var(--gray); font-size: 14px; line-height: 1.7; margin: 16px 0 20px; }
.footer-social { display: flex; gap: 10px; }
.social-btn { width: 38px; height: 38px; border-radius: 8px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; color: var(--gray); text-decoration: none; font-size: 15px; transition: all 0.2s; }
.social-btn:hover { background: rgba(232,184,32,0.15); border-color: rgba(232,184,32,0.3); color: var(--gold); }
.footer-col h4 { font-family: 'Barlow Condensed', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: 2px; color: var(--gold); text-transform: uppercase; margin-bottom: 16px; }
.footer-col a, .footer-col p { display: block; color: var(--gray); font-size: 14px; text-decoration: none; margin-bottom: 10px; line-height: 1.5; transition: color 0.2s; cursor: pointer; }
.footer-col a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { color: var(--gray); font-size: 13px; }

/* ══ WA FLOAT ══ */
.wa-float { position: fixed; bottom: 24px; left: 24px; z-index: 1200; background: #25D366; color: white; width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; text-decoration: none; box-shadow: 0 4px 16px rgba(37,211,102,0.5); transition: all 0.3s; animation: pwa 3s infinite; }
.wa-float:hover { transform: scale(1.1); background: #1da851; }
@keyframes pwa { 0%,100% { box-shadow: 0 4px 16px rgba(37,211,102,0.5); } 50% { box-shadow: 0 4px 28px rgba(37,211,102,0.8); } }

/* ══ RESPONSIVE ══ */
@media (max-width: 1024px) {
  .stats-inner { grid-template-columns: repeat(2,1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .brands-grid { grid-template-columns: repeat(3,1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .catalog-main { grid-template-columns: 200px 1fr; }
  .calc-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .catalog-main { grid-template-columns: 1fr; }
  .cat-sidebar { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
  .modal-grid { grid-template-columns: 1fr; }
  .modal-img-col { padding: 32px; }
  .brands-grid { grid-template-columns: repeat(2,1fr); }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .specs-grid { grid-template-columns: 1fr; }
  .bot-window { width: 300px; }
  .cart-panel { width: 100%; right: -100%; }
  .calc-grid { grid-template-columns: 1fr; }
  .filter-row-wrap { flex-direction: column; gap: 16px; }
  .about-text .section-title { text-align: center; }
  .about-text .section-tag { justify-content: center; }
}
@media (max-width: 480px) {
  .slide-title { font-size: 32px; }
  .slide-desc { font-size: 15px; }
  .btn-primary, .btn-outline { padding: 12px 24px; font-size: 14px; }
  .stats-inner { grid-template-columns: repeat(2,1fr); }
  .brands-grid { grid-template-columns: repeat(2,1fr); }
  .products-grid { grid-template-columns: repeat(auto-fill,minmax(160px,1fr)); }
  .nav-inner { padding: 0 16px; }
  .section-inner { padding: 0 16px; }
  .catalog-main { padding: 20px 16px; }
}