:root{
  --font:'IBM Plex Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;
  --bg:#ffffff;
  --surface:#F8FAFC;
  --ink:#1E293B;
  --ink-strong:#0F172A;
  --muted:#64748B;
  --line:#E2E8F0;
  --line-strong:#CBD5E1;
  --accent:#2563EB;
  --accent-hover:#1D4ED8;
  --accent-soft:#EFF6FF;
  --danger:#B91C1C;
  --success:#15803D;
  --radius:2px;
  --radius-sm:2px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.55;-webkit-font-smoothing:antialiased;font-size:15px}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
a{color:inherit}
button{font:inherit}
h1,h2,h3,h4{font-family:var(--font);font-weight:600;letter-spacing:-.01em;color:var(--ink-strong);margin:0}

/* ---------- top accent bar ---------- */
.top-bar{height:4px;background:linear-gradient(90deg,var(--accent) 0%,var(--ink-strong) 100%)}

/* ---------- header ---------- */
.app-header{padding:18px 0;border-bottom:1px solid var(--line);background:var(--bg)}
.header-flex{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.brand-logo{width:36px;height:36px;object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--line)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.b-name{font-weight:700;font-size:1rem;letter-spacing:-.01em;color:var(--ink-strong)}
.brand-tagline{font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-weight:600;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:22px}
.main-nav a{font-size:.82rem;font-weight:600;color:var(--muted);text-decoration:none;letter-spacing:.01em}
.main-nav a:hover{color:var(--ink-strong)}
.header-actions{display:flex;align-items:center;gap:10px}
.btn-wa{display:inline-flex;align-items:center;gap:8px;background:var(--ink-strong);color:#fff;height:40px;padding:0 18px;border-radius:var(--radius-sm);font-size:.78rem;font-weight:700;text-decoration:none;letter-spacing:.01em;border:1px solid var(--ink-strong)}
.btn-wa:hover{background:var(--accent);border-color:var(--accent)}
.btn-cart{position:relative;background:#fff;border:1px solid var(--line-strong);color:var(--ink);height:40px;padding:0 18px;border-radius:var(--radius-sm);cursor:pointer;font-size:.78rem;font-weight:700}
.btn-cart:hover{border-color:var(--accent);color:var(--accent)}
.badge{display:inline-flex;min-width:18px;height:18px;padding:0 5px;margin-left:8px;border-radius:var(--radius-sm);background:var(--accent);color:#fff;font-size:.66rem;font-weight:800;align-items:center;justify-content:center}

/* ---------- hero ---------- */
.hero{padding:56px 0 40px;border-bottom:1px solid var(--line);background:var(--surface)}
.hero-inner{max-width:760px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--accent);margin-bottom:14px}
.hero-eyebrow::before{content:'';width:18px;height:2px;background:var(--accent);display:inline-block}
.hero h1{margin:0 0 14px;font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:700;line-height:1.15;letter-spacing:-.02em}
.hero p{margin:0 0 26px;color:var(--muted);font-size:1rem;max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn-primary-lg{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 26px;background:var(--accent);color:#fff;border-radius:var(--radius-sm);text-decoration:none;font-weight:700;font-size:.86rem;border:1px solid var(--accent)}
.btn-primary-lg:hover{background:var(--accent-hover);border-color:var(--accent-hover)}
.btn-outline-lg{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 26px;background:#fff;color:var(--ink-strong);border-radius:var(--radius-sm);text-decoration:none;font-weight:700;font-size:.86rem;border:1px solid var(--line-strong)}
.btn-outline-lg:hover{border-color:var(--ink-strong)}

.hero-stats{display:flex;gap:0;margin-top:36px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;max-width:420px}
.hero-stat{flex:1;padding:14px 18px;border-right:1px solid var(--line);background:#fff}
.hero-stat:last-child{border-right:0}
.hero-stat-num{display:block;font-size:1.3rem;font-weight:700;color:var(--ink-strong);letter-spacing:-.01em}
.hero-stat-label{display:block;font-size:.68rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-weight:600;margin-top:2px}

/* ---------- filters ---------- */
.filters-section{padding:28px 0 20px;border-bottom:1px solid var(--line)}
.filters-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.filters-head h2{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700;color:var(--muted)}
.inp,.input{width:100%;height:44px;padding:0 14px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:#fff;color:var(--ink);font-size:.86rem;font-family:var(--font)}
.inp:focus,.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.inp-search{max-width:420px}
textarea.inp,textarea.input{height:auto;padding:10px 14px;resize:vertical}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:.74rem;font-weight:600;color:var(--muted)}

.cat-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{display:inline-flex;align-items:center;border:1px solid var(--line-strong);background:#fff;color:var(--ink);padding:8px 14px;border-radius:var(--radius-sm);font-size:.76rem;font-weight:600;cursor:pointer;letter-spacing:.01em}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip.is-active{background:var(--ink-strong);border-color:var(--ink-strong);color:#fff}

/* ---------- products ---------- */
.products-section{padding:36px 0 64px}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--ink-strong)}
.sec-head h2{font-size:1.15rem;font-weight:700}
.results-count,.badge-count{display:block;color:var(--muted);font-size:.76rem;font-weight:600}

.products-grouped .products-grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
@media(min-width:900px){.products-grouped .products-grid{grid-template-columns:repeat(4,1fr)}}
@media(min-width:640px) and (max-width:899px){.products-grouped .products-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:639px){
  .products-grouped .products-grid{grid-template-columns:repeat(2,1fr)}
  .card-actions{flex-wrap:wrap}
  .card-actions .btn-details,.card-actions .btn-add-modal{flex:1 1 100%;min-width:0}
}

.card{background:#fff;padding:0;display:flex;flex-direction:column;transition:box-shadow .15s ease}
.card:hover{box-shadow:inset 0 0 0 1px var(--accent)}
.card-thumb-wrap{position:relative;background:var(--surface);border-bottom:1px solid var(--line)}
.card-thumb{width:100%;aspect-ratio:1;object-fit:cover;display:block}
.card-badge{position:absolute;top:0;left:0;background:var(--accent);color:#fff;font-size:.6rem;font-weight:700;padding:5px 10px;text-transform:uppercase;letter-spacing:.05em}
.card-body{display:flex;flex-direction:column;gap:4px;padding:14px}
.card-cat{font-size:.66rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-weight:700}
.card-body h3{margin:0;font-size:.86rem;font-weight:600;line-height:1.35;color:var(--ink-strong)}
.card-price{font-size:.94rem;font-weight:700;color:var(--ink-strong);margin-top:2px}
.card-price small{font-weight:500;color:var(--muted);font-size:.7rem}
.card-var{font-size:.7rem;color:var(--muted)}
.card-actions{display:flex;gap:8px;margin-top:10px}
.btn{font-family:var(--font);border-radius:var(--radius-sm);cursor:pointer;font-weight:700;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;letter-spacing:.01em}
.btn-details{flex:0 0 auto;height:36px;padding:0 12px;border:1px solid var(--line-strong);background:#fff;color:var(--ink);font-size:.72rem}
.btn-details:hover{border-color:var(--ink-strong)}
.btn-add-modal{flex:1;height:36px;border:1px solid var(--accent);background:var(--accent);color:#fff;font-size:.74rem;font-weight:700;cursor:pointer;transition:.15s}
.btn-add-modal:hover{background:var(--accent-hover);border-color:var(--accent-hover)}
.no-results,.cart-empty{padding:40px 0;text-align:center;color:var(--muted);font-size:.86rem}

/* ---------- footer ---------- */
.app-footer{padding:40px 0 0;border-top:1px solid var(--line);background:var(--ink-strong);color:#CBD5E1;font-size:.84rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding-bottom:32px}
@media(max-width:720px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{font-weight:700;font-size:1.05rem;color:#fff;letter-spacing:-.01em}
.footer-quote{margin:10px 0 0;color:#94A3B8;font-size:.84rem;max-width:40ch}
.footer-col h4{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:#64748B;font-weight:700;margin-bottom:12px}
.footer-col nav,.footer-meta{display:flex;flex-direction:column;gap:8px}
.footer-col a{color:#CBD5E1;text-decoration:none;font-size:.84rem}
.footer-col a:hover{color:#fff}
.footer-meta-item{color:#94A3B8;font-size:.82rem}
.footer-wa{display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 20px;background:var(--accent);color:#fff;border-radius:var(--radius-sm);text-decoration:none;font-weight:700;font-size:.8rem;width:fit-content}
.footer-wa:hover{background:var(--accent-hover)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:18px 0;border-top:1px solid #1E293B;color:#64748B;font-size:.74rem;flex-wrap:wrap}

/* ---------- cart panel ---------- */
.cart-backdrop,.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.5);opacity:0;pointer-events:none;z-index:60;transition:.18s}
.cart-backdrop.is-open,.modal-backdrop.is-open{opacity:1;pointer-events:auto}
.cart-panel{position:fixed;top:0;right:0;bottom:0;width:min(400px,100%);background:#fff;z-index:70;transform:translateX(102%);transition:.2s;display:flex;flex-direction:column;border-left:1px solid var(--line)}
.cart-panel.is-open{transform:none}
.cart-head{padding:20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.cart-head h2{margin:0;font-size:1rem;font-weight:700}
.btn-close{background:transparent;border:0;font-size:1.4rem;cursor:pointer;line-height:1;color:var(--muted)}
.btn-close:hover{color:var(--ink-strong)}
.cart-coupon-form{padding:0 20px;margin-top:12px}
.cart-body{flex:1;overflow:auto;padding:12px 20px}
.cart-line{display:grid;grid-template-columns:56px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.cart-line img{width:56px;height:56px;object-fit:cover;background:var(--surface);border:1px solid var(--line)}
.line-title{font-weight:700;font-size:.84rem;color:var(--ink-strong)}
.line-meta{color:var(--muted);font-size:.72rem;margin-top:2px}
.line-price{font-weight:700;margin-top:4px;font-size:.84rem}
.qty-row{display:flex;align-items:center;gap:8px;margin-top:8px}
.qty-btn{width:24px;height:24px;border:1px solid var(--line-strong);background:#fff;cursor:pointer;font-size:.8rem;border-radius:var(--radius-sm)}
.qty-btn:hover{border-color:var(--accent);color:var(--accent)}
.qty-val{font-size:.8rem;font-weight:700;min-width:18px;text-align:center;display:inline-block}
.line-remove{margin-top:6px;background:none;border:0;color:var(--muted);text-decoration:underline;font-size:.72rem;cursor:pointer;padding:0}
.line-remove:hover{color:var(--danger)}
.cart-foot{padding:18px 20px;border-top:1px solid var(--line)}
.cart-total{display:flex;justify-content:space-between;margin-bottom:12px;font-weight:700;font-size:.92rem}
.cart-total-row{display:flex;justify-content:space-between;margin-bottom:10px;font-weight:700;font-size:.9rem}
.cart-total-row-discount{color:var(--success)}
.cart-actions{display:flex;flex-direction:column;gap:8px}
.cart-actions .btn-primary,.btn-primary{height:46px;background:var(--accent);color:#fff;border:1px solid var(--accent);font-weight:700;cursor:pointer;font-size:.84rem;border-radius:var(--radius-sm);width:100%}
.cart-actions .btn-primary:hover,.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}
.cart-actions .btn-outline{height:42px;background:transparent;border:1px solid var(--line-strong);color:var(--ink);cursor:pointer;font-size:.8rem;border-radius:var(--radius-sm)}
.cart-coupon-section{margin-bottom:14px}
.cart-coupon-title{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:8px}
.cart-coupon-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.cart-coupon-chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line-strong);padding:5px 10px;background:#fff;font-size:.72rem;cursor:pointer;border-radius:var(--radius-sm)}
.cart-coupon-feedback{font-size:.74rem;margin-top:8px}
.cart-coupon-feedback.is-error{color:var(--danger)}
.cart-coupon-feedback.is-success{color:var(--success)}
.cart-discount-box{margin-top:8px;font-size:.78rem}
.cart-discount-row{display:flex;justify-content:space-between}

/* ---------- modals ---------- */
.modal{background:#fff;max-width:440px;width:calc(100% - 32px);margin:7vh auto;padding:26px;position:relative;max-height:86vh;overflow:auto;border:1px solid var(--line);border-radius:var(--radius)}
.modal img#modal-product-img{width:100%;aspect-ratio:1;object-fit:cover;background:var(--surface);margin-bottom:14px;border:1px solid var(--line)}
.modal h3{margin:0 0 6px;font-size:1.05rem;font-weight:700;color:var(--ink-strong)}
.modal .desc{color:var(--muted);font-size:.84rem}
.price-big{font-size:1.2rem;font-weight:700;margin:10px 0;color:var(--ink-strong)}
.var-grid,#modal-var-grid{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.var-opt{border:1px solid var(--line-strong);background:#fff;padding:8px 14px;cursor:pointer;font-size:.8rem;border-radius:var(--radius-sm);font-weight:600}
.var-opt.is-selected{background:var(--ink-strong);color:#fff;border-color:var(--ink-strong)}
.var-opt.is-disabled{opacity:.4;cursor:not-allowed;text-decoration:line-through}
.modal .btn-primary,.modal .btn-secondary{width:100%;margin-top:10px;height:46px;font-size:.84rem}
.btn-secondary{background:transparent;border:1px solid var(--line-strong);color:var(--ink);cursor:pointer;border-radius:var(--radius-sm);font-weight:700}
.btn-secondary:hover{border-color:var(--ink-strong)}