/* =========================================================
   HANI DIGITAL HUB — STUDIO EDITION
   Monochrome ink/paper base, one confident electric-blue accent.
   Display: Bricolage Grotesque (bold) · UI/body: Manrope (sans)
   ========================================================= */

:root{
  --paper:#FAFAFA;
  --panel:#FFFFFF;
  --ink:#111113;
  --ink-soft:#43434A;
  --muted:#77787E;
  --line:#E7E7EA;
  --line-soft:#F1F1F3;
  --accent:#2F5EFF;
  --accent-deep:#1C3FCC;
  --accent-wash:#EBF0FF;
  --green:#1F7A55;
  --green-wash:#E7F5EE;
  --red:#C0392B;
  --red-wash:#FBEAE8;
  --amber:#8A6A1E;
  --amber-wash:#FAF1DC;
  --shadow:0 24px 60px rgba(17,17,19,.10);
  --shadow-sm:0 10px 24px rgba(17,17,19,.07);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Manrope',system-ui,sans-serif;color:var(--ink);background:var(--paper);font-size:16px;-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit}
a{color:inherit}
h1,h2,.catalog-head h2,.page-title h1,.hero-text h1,.product-detail h1,.auth-heading h1,.why-us b,.cta-banner h2{font-family:'Bricolage Grotesque',sans-serif}

::selection{background:var(--ink);color:#fff}
html{scrollbar-color:var(--line) var(--paper);scrollbar-width:thin}
::-webkit-scrollbar{width:10px;height:8px}
::-webkit-scrollbar-track{background:var(--paper)}
::-webkit-scrollbar-thumb{background:#CFCFD4;border-radius:20px;border:2px solid var(--paper)}
::-webkit-scrollbar-thumb:hover{background:#B7B7BE}

/* ---------- top strip / header ---------- */
.top-strip{min-height:34px;background:var(--ink);color:#D8D8DC;display:flex;justify-content:space-between;align-items:center;padding:8px max(20px,calc((100% - 1180px)/2));font-size:.72rem;letter-spacing:.01em}
.top-strip span{color:#fff}

.site-header{height:80px;display:flex;align-items:center;justify-content:space-between;max-width:1228px;margin:auto;padding:0 24px;position:sticky;top:0;z-index:50;background:var(--paper);border-bottom:1px solid transparent;transition:box-shadow .25s,background-color .25s,border-color .25s}
.site-header.scrolled{background:rgba(250,250,250,.92);backdrop-filter:blur(10px);border-color:var(--line);box-shadow:0 8px 24px rgba(17,17,19,.06)}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-size:1.05rem;font-weight:650;color:var(--ink)}
.brand b{font-family:'Bricolage Grotesque',sans-serif;font-weight:700;color:var(--ink)}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--ink);color:#fff;font-family:'Bricolage Grotesque',sans-serif;font-weight:800}
.site-header nav{display:flex;align-items:center;gap:28px}
.site-header nav>a{text-decoration:none;color:var(--ink-soft);font-size:.88rem;font-weight:700;position:relative;padding-bottom:2px}
.site-header nav>a:hover{color:var(--ink)}
.cart-link{background:var(--ink);color:#fff!important;padding:11px 17px;border-radius:10px;box-shadow:var(--shadow-sm);transition:.2s}
.cart-link:hover{background:var(--accent)}
.cart-link span{display:inline-grid;place-items:center;min-width:21px;height:21px;border-radius:20px;margin-left:6px;background:#fff;color:var(--ink);font-size:.7rem;font-weight:800}
.menu-toggle{display:none;border:0;background:transparent;font-size:1.5rem;color:var(--ink)}

.flash{max-width:1180px;margin:10px auto;padding:14px 17px;border-radius:10px;font-size:.88rem;transition:.25s;border:1px solid transparent}
.flash.success,.alert.success{background:var(--green-wash);color:#175634;border-color:#c8e6d3}
.flash.error,.alert.danger{background:var(--red-wash);color:#8a2a21;border-color:#f0cec8}
.flash.info,.alert.info{background:var(--line-soft);color:var(--ink);border-color:var(--line)}
.flash.hide{opacity:0;transform:translateY(-8px)}

/* ---------- hero (full-bleed editorial split) ---------- */
.hero{max-width:1280px;margin:0 auto;padding:56px 24px 10px;display:grid;grid-template-columns:1.05fr 1fr;gap:54px;align-items:center}
.eyebrow{display:block;color:var(--accent);font-size:.72rem;letter-spacing:.13em;font-weight:800;margin-bottom:14px}
.hero-text h1{font-weight:800;font-size:4.1rem;line-height:.99;letter-spacing:-.02em;margin:0 0 22px;color:var(--ink)}
.hero-text p{font-size:1.05rem;line-height:1.75;color:var(--muted);max-width:480px;margin-bottom:30px}
.hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.hero-meta{font-size:.82rem;color:var(--ink-soft);max-width:220px;line-height:1.5}
.hero-meta b{display:block;color:var(--ink)}
.hero-visual{position:relative;border-radius:26px;overflow:hidden;background:var(--line-soft);aspect-ratio:1/1}
.hero-visual img{width:100%;height:100%;object-fit:cover}

.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:11px;padding:14px 22px;text-decoration:none;font-weight:800;font-size:.88rem;cursor:pointer;transition:.2s}
.btn.primary{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.btn.primary:hover{background:var(--accent)}
.btn.primary:after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(120deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-20deg);transition:left .6s ease}
.btn.primary:hover:after{left:120%}
.btn.white{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.white:hover{border-color:var(--ink)}
.btn.secondary{border:1px solid var(--line);background:#fff;color:var(--ink)}
.btn.secondary:hover{border-color:var(--ink)}
.btn.danger{background:var(--red-wash);color:var(--red);border:1px solid #f0cec8}
.btn.small{padding:9px 13px;font-size:.76rem}
.btn.full{width:100%}

/* ---------- trust strip ---------- */
.trust-strip{max-width:1280px;margin:36px auto 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:center;padding:22px 24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-strip span{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:700;color:var(--ink-soft)}
.trust-strip span i{display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--ink);color:#fff;font-size:.6rem;font-style:normal;font-weight:900;flex:none}

/* ---------- catalog ---------- */
.catalog{max-width:1280px;margin:0 auto;padding:70px 24px}
.catalog-head{display:flex;align-items:end;justify-content:space-between;gap:25px}
.catalog-head h2,.page-title h1{font-weight:800;font-size:2.2rem;letter-spacing:-.01em;margin:0;color:var(--ink)}
.search-box{width:340px;border:1px solid var(--line);border-radius:11px;display:flex;overflow:hidden;background:#fff}
.search-box input{width:100%;border:0;outline:0;padding:12px 14px;background:transparent}
.search-box button{border:0;background:var(--ink);color:#fff;padding:0 18px;font-weight:700}

.category-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin:34px 0 44px}
.category-tiles a{display:flex;flex-direction:column;align-items:center;gap:11px;border:1px solid var(--line);border-radius:16px;padding:22px 14px;text-align:center;text-decoration:none;color:var(--ink);background:#fff;font-weight:700;font-size:.82rem;transition:.2s}
.category-tiles a b{display:grid;place-items:center;width:42px;height:42px;border-radius:11px;background:var(--line-soft);color:var(--accent);font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-style:normal}
.category-tiles a:hover{border-color:var(--ink);transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.category-tiles a.active{border-color:var(--ink);background:var(--ink);color:#fff}
.category-tiles a.active b{background:rgba(255,255,255,.14);color:#fff}

.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:36px 26px}
.product-card{border:0;border-radius:0;overflow:visible;background:transparent;transition:.25s}
.product-media{height:230px;display:block;position:relative;background:var(--line-soft);overflow:hidden;border-radius:18px}
.product-media img{width:100%;height:100%;object-fit:cover;transition:.35s}
.product-card:hover .product-media img{transform:scale(1.045)}
.product-placeholder{width:100%;height:100%;display:grid;place-items:center;align-content:center;gap:8px}
.product-placeholder span{display:grid;place-items:center;width:70px;height:70px;border-radius:20px;background:var(--ink);color:#fff;font-family:'Bricolage Grotesque',sans-serif;font-size:1.7rem;font-weight:800}
.product-placeholder small{font-size:.72rem;color:var(--muted)}
.badge{position:absolute;left:12px;top:12px;background:var(--ink);color:#fff;padding:6px 11px;border-radius:20px;font-size:.62rem;letter-spacing:.04em;font-weight:800}
.product-media:after{content:"View details";position:absolute;inset:auto 0 0 0;padding:12px;text-align:center;font-size:.7rem;font-weight:800;letter-spacing:.03em;color:#fff;background:linear-gradient(0deg,rgba(17,17,19,.82),rgba(17,17,19,0));opacity:0;transform:translateY(8px);transition:.25s}
.product-card:hover .product-media:after{opacity:1;transform:translateY(0)}
.product-content{padding:15px 2px 0}
.product-content>small{font-size:.67rem;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.product-content h3{font-size:.95rem;line-height:1.45;min-height:44px;margin:7px 0 13px;font-weight:700}
.product-content h3 a{text-decoration:none}
.price-row{display:flex;justify-content:space-between;align-items:center}
.price-row>div{display:flex;flex-direction:column}
.price-row strong{font-size:1.08rem;font-family:'Bricolage Grotesque',sans-serif;font-weight:800}
.price-row del{font-size:.68rem;color:#A7A7AD}
.add-cart{border:1px solid var(--line);width:38px;height:38px;border-radius:50%;background:#fff;color:var(--ink);font-size:1.3rem;cursor:pointer;transition:.2s}
.add-cart:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.stock{font-size:.67rem;font-weight:700;margin-top:11px}
.stock.in{color:var(--green)}
.stock.out{color:var(--red)}

/* ---------- why us: light editorial columns ---------- */
.why-us{max-width:1280px;margin:20px auto 80px;padding:0 24px;display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.why-us article{border-top:2px solid var(--ink);padding-top:20px}
.why-us article>i{display:block;font-family:'Bricolage Grotesque',sans-serif;font-size:2.3rem;font-weight:800;color:var(--line);font-style:normal;line-height:1;margin-bottom:8px}
.why-us b{display:block;font-size:1.05rem;margin-bottom:7px;font-weight:700}
.why-us p{color:var(--muted);font-size:.87rem;line-height:1.65;margin:0}

/* legacy alias kept for any cached markup */
.service-row{max-width:1280px;margin:20px auto 80px;padding:0 24px;display:grid;grid-template-columns:repeat(3,1fr);gap:40px;background:transparent;color:var(--ink)}
.service-row article{border-top:2px solid var(--ink);padding-top:20px;display:block}
.service-row article>span{font-family:'Bricolage Grotesque',sans-serif;font-size:2.3rem;font-weight:800;color:var(--line);display:block;margin-bottom:8px;border:0;width:auto;height:auto}
.service-row b{font-size:1.05rem;display:block;margin-bottom:7px}
.service-row p{color:var(--muted);font-size:.87rem;margin:0}

.cta-banner{max-width:1280px;margin:0 auto 70px;padding:44px 46px;border-radius:24px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-banner h2{font-size:1.7rem;margin:0 0 8px;font-weight:800}
.cta-banner p{margin:0;color:#C7C7CC;font-size:.9rem;max-width:460px}
.cta-banner .btn.primary{background:#fff;color:var(--ink)}
.cta-banner .btn.primary:hover{background:var(--accent);color:#fff}

/* ---------- footer (expanded 4-col) ---------- */
.site-footer{border-top:1px solid var(--line);padding:60px max(24px,calc((100% - 1280px)/2)) 40px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;background:var(--paper)}
.site-footer p{font-size:.83rem;line-height:1.8;color:var(--muted)}
.site-footer strong{font-size:.78rem;color:var(--ink);text-transform:uppercase;letter-spacing:.06em}
.site-footer a{text-decoration:none;color:var(--ink-soft)}
.site-footer a:hover{color:var(--ink)}
.footer-bottom{border-top:1px solid var(--line);padding:16px;text-align:center;color:var(--muted);font-size:.72rem;background:var(--paper)}

/* ---------- generic page shell ---------- */
.page-shell{max-width:1180px;margin:0 auto;padding:50px 0 84px}
.page-title{display:flex;align-items:end;justify-content:space-between;margin-bottom:30px}
.page-title p{color:var(--muted);margin:8px 0 0;font-size:.87rem}
.panel{border:1px solid var(--line);border-radius:18px;background:var(--panel);padding:25px}
.two-col{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:22px;align-items:start}
.stack{display:flex;flex-direction:column;gap:14px}
.stack label,.form-grid label{display:flex;flex-direction:column;gap:7px;font-size:.8rem;font-weight:750;color:var(--ink-soft)}
.stack input,.stack textarea,.stack select,.form-grid input,.form-grid textarea,.form-grid select,.table-search{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 12px;outline:0;background:#fff}
.stack input:focus,.stack textarea:focus,.stack select:focus,.form-grid input:focus,.form-grid textarea:focus,.form-grid select:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(17,17,19,.08)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field-full{grid-column:1/-1}
.section-label{margin:3px 0 0;font-size:.82rem;color:var(--ink)}
.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.choice{border:1px solid var(--line);border-radius:12px;padding:14px;display:flex;align-items:flex-start;gap:9px;cursor:pointer;background:#fff}
.choice:has(input:checked){border-color:var(--ink);background:var(--line-soft)}
.choice>span{display:flex;flex-direction:column}
.choice b{font-size:.8rem;color:var(--ink)}
.choice small{font-size:.7rem;color:var(--muted);margin-top:4px;line-height:1.45}

.summary-card{position:sticky;top:20px}
.summary-card h3{margin:0 0 18px;font-family:'Bricolage Grotesque',sans-serif;font-weight:800}
.summary-line{display:flex;justify-content:space-between;gap:15px;padding:8px 0;color:var(--muted);font-size:.82rem}
.summary-line.total{border-top:1px solid var(--line);margin-top:8px;padding-top:15px;color:var(--ink);font-size:1.05rem;font-weight:700}
.summary-products{border-bottom:1px solid var(--line);padding-bottom:10px;margin-bottom:8px}
.summary-product{display:grid;grid-template-columns:1fr auto;gap:10px;padding:7px 0;font-size:.78rem}
.tiny{font-size:.72rem;color:var(--muted);line-height:1.6}
.alert{padding:14px 16px;border-radius:10px;margin:13px 0;font-size:.82rem}
.empty-state{text-align:center;padding:68px 20px;border:1px dashed var(--line);border-radius:16px;color:var(--muted);background:#fff}
.empty-state>div{font-size:2rem;color:var(--ink)}
.empty-state h3{color:var(--ink);margin:8px 0;font-family:'Bricolage Grotesque',sans-serif}
.empty-state p{margin:0 0 18px}

.cart-row{display:grid;grid-template-columns:76px 1fr 100px 110px auto;gap:15px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.cart-thumb{width:76px;height:76px;border-radius:14px;background:var(--line-soft);display:grid;place-items:center;overflow:hidden;color:var(--ink);font-size:1.4rem;font-weight:800}
.cart-thumb img{width:100%;height:100%;object-fit:cover}
.cart-row h3{font-size:.88rem;margin:0 0 5px}
.cart-row small{color:var(--muted)}
.qty-input{width:70px!important}

.auth-page{min-height:100vh;background:var(--paper);display:grid;place-items:center;padding:30px}
.auth-card{width:min(470px,100%);background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:24px;padding:32px}
.install-card{width:min(520px,100%)}
.auth-heading{margin:28px 0 22px}
.auth-heading h1{font-weight:800;font-size:2rem;letter-spacing:-.01em;margin:0}
.auth-heading p{font-size:.82rem;color:var(--muted);line-height:1.6}
.auth-links{text-align:center;margin-top:18px;font-size:.8rem;color:var(--muted)}
.auth-links a{color:var(--ink);font-weight:700}

.order-card{border:1px solid var(--line);border-radius:15px;padding:18px;margin-bottom:12px;background:#fff}
.order-card-top{display:flex;align-items:start;justify-content:space-between}
.order-card h3{font-size:.93rem;margin:0}
.order-meta{color:var(--muted);font-size:.75rem;margin:7px 0 13px}
.status-pill{display:inline-flex;border-radius:20px;padding:5px 10px;font-size:.68rem;font-weight:800;text-transform:capitalize}
.status-pill.success{background:var(--green-wash);color:var(--green)}
.status-pill.danger{background:var(--red-wash);color:var(--red)}
.status-pill.warning{background:var(--amber-wash);color:var(--amber)}
.status-pill.primary{background:var(--line-soft);color:var(--ink)}

.profile-card{display:flex;align-items:center;gap:15px}
.avatar{width:56px;height:56px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:800;font-size:1.2rem;font-family:'Bricolage Grotesque',sans-serif}
.profile-card h3{margin:0}
.profile-card p{margin:4px 0;color:var(--muted);font-size:.78rem}

.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.product-detail-media{min-height:475px;border-radius:24px;background:var(--line-soft);display:grid;place-items:center;overflow:hidden}
.product-detail-media img{width:100%;height:100%;object-fit:cover}
.product-detail-media .product-placeholder{min-height:475px}
.product-detail h1{font-weight:800;font-size:2.5rem;line-height:1.15;letter-spacing:-.01em;margin:10px 0}
.product-detail .lead{color:var(--muted);line-height:1.75}
.big-price{font-size:1.85rem;margin:20px 0;font-family:'Bricolage Grotesque',sans-serif;font-weight:800;color:var(--ink)}
.inline-form{display:flex;gap:10px}
.inline-form input{width:85px;border:1px solid var(--line);border-radius:10px;padding:11px}
.payment-instructions{background:var(--line-soft);border:1px solid var(--line);border-radius:12px;padding:14px;font-size:.78rem;line-height:1.65;margin-top:10px;color:var(--ink-soft)}

.table-wrap{overflow:auto}
.data-table{width:100%;border-collapse:collapse}
.data-table th,.data-table td{text-align:left;padding:13px 10px;border-bottom:1px solid var(--line);font-size:.78rem;vertical-align:middle}
.data-table th{font-size:.68rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.data-table tr:hover td{background:var(--line-soft)}
.data-table img{width:46px;height:46px;object-fit:cover;border-radius:9px}
.actions{display:flex;gap:7px;flex-wrap:wrap}

.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-bottom:24px}
.metric{border:1px solid var(--line);border-radius:15px;padding:18px;background:#fff}
.metric small{color:var(--muted);font-size:.7rem;text-transform:uppercase;letter-spacing:.05em}
.metric strong{display:block;font-size:1.7rem;margin-top:6px;font-family:'Bricolage Grotesque',sans-serif;color:var(--ink)}

/* ---------- admin ---------- */
.admin-body{background:#F3F3F4}
.admin-layout{min-height:100vh;display:grid;grid-template-columns:252px 1fr}
.admin-sidebar{background:var(--ink);color:#fff;padding:26px 18px;position:sticky;top:0;height:100vh}
.admin-sidebar .brand{color:#fff;padding:0 8px 24px;border-bottom:1px solid rgba(255,255,255,.14)}
.admin-sidebar .brand-mark{background:#fff;color:var(--ink)}
.admin-nav{display:flex;flex-direction:column;gap:6px;margin-top:22px}
.admin-nav a{color:#C6C6CC;text-decoration:none;padding:11px 12px;border-radius:9px;font-size:.8rem;font-weight:700;transition:.15s}
.admin-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.admin-nav a.active{background:var(--accent);color:#fff}
.admin-nav .logout{margin-top:18px;color:#E39D93}
.admin-main{padding:30px 34px;min-width:0}
.admin-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.admin-top h1{font-family:'Bricolage Grotesque',sans-serif;font-weight:800;font-size:1.8rem;margin:0;color:var(--ink)}
.admin-user{font-size:.78rem;color:var(--muted)}
.admin-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:21px}
.split-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:17px}
.split-head h2{font-size:1.1rem;margin:0;font-family:'Bricolage Grotesque',sans-serif;font-weight:800}
.admin-thumb{width:46px;height:46px;border-radius:9px;background:var(--line-soft);display:grid;place-items:center;color:var(--ink);font-weight:800}
.pagination{display:flex;gap:6px;margin-top:18px}
.pagination a{border:1px solid var(--line);padding:7px 10px;border-radius:8px;text-decoration:none;font-size:.75rem;color:var(--ink-soft)}
.pagination a.active{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---------- reveal-on-scroll ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.08s}
.reveal-delay-2{transition-delay:.16s}
.reveal-delay-3{transition-delay:.24s}
.reveal-delay-4{transition-delay:.32s}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- floating buttons ---------- */
.location-link{display:inline-flex;align-items:center;gap:7px;margin-top:5px;padding:9px 12px;border:1px solid var(--line);border-radius:10px;text-decoration:none;color:var(--ink);background:#fff;font-size:.78rem;font-weight:800;transition:.2s}
.location-link:hover{border-color:var(--ink);transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.floating-whatsapp{position:fixed;right:24px;bottom:24px;z-index:100;display:grid;place-items:center;width:54px;height:54px;border-radius:50%;background:#1F9954;color:#fff;text-decoration:none;box-shadow:0 12px 28px rgba(17,17,19,.22);transition:transform .2s,box-shadow .2s;animation:wa-pulse 2.8s infinite;border:3px solid #fff}
.floating-whatsapp:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(17,17,19,.28);animation-play-state:paused}
.floating-whatsapp span{font-size:.68rem;font-weight:900;letter-spacing:-.02em}
.floating-whatsapp b{display:none}
@keyframes wa-pulse{0%{box-shadow:0 12px 28px rgba(17,17,19,.22),0 0 0 0 rgba(31,153,84,.4)}70%{box-shadow:0 12px 28px rgba(17,17,19,.22),0 0 0 12px rgba(31,153,84,0)}100%{box-shadow:0 12px 28px rgba(17,17,19,.22),0 0 0 0 rgba(31,153,84,0)}}
.back-to-top{position:fixed;left:24px;bottom:24px;z-index:99;width:46px;height:46px;border-radius:50%;background:var(--ink);color:#fff;border:0;display:grid;place-items:center;font-size:1.15rem;cursor:pointer;box-shadow:var(--shadow-sm);opacity:0;pointer-events:none;transform:translateY(10px);transition:.25s}
.back-to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.back-to-top:hover{background:var(--accent);transform:translateY(-2px)}

/* ---------- responsive ---------- */
@media(max-width:900px){
  .catalog,.page-shell{padding-left:16px;padding-right:16px}
  .hero{grid-template-columns:1fr;padding:40px 20px 0;gap:30px}
  .hero-text h1{font-size:3rem}
  .hero-visual{aspect-ratio:16/11;order:-1}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .two-col,.product-detail{grid-template-columns:1fr}
  .summary-card{position:static}
  .why-us,.service-row{grid-template-columns:1fr;margin:10px 12px 55px}
  .site-footer{grid-template-columns:1fr 1fr}
  .cta-banner{margin:0 12px 55px}
  .admin-layout{grid-template-columns:1fr}
  .admin-sidebar{position:static;height:auto}
  .admin-nav{display:grid;grid-template-columns:repeat(3,1fr)}
  .admin-nav .logout{margin:0}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:620px){
  .desktop-only{display:none}
  .site-header{height:68px;padding:0 16px}
  .menu-toggle{display:block}
  .site-header nav{display:none;position:absolute;left:12px;right:12px;top:62px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:14px;flex-direction:column;align-items:stretch;gap:4px;z-index:20}
  .site-header nav.open{display:flex}
  .site-header nav>a{padding:10px}
  .hero{padding:30px 16px 0}
  .hero-text h1{font-size:2.35rem}
  .hero-actions{gap:14px}
  .hero-visual{border-radius:20px}
  .trust-strip{margin-top:24px;padding:16px;gap:8px 14px}
  .trust-strip span{font-size:.72rem}
  .catalog{padding-top:44px}
  .catalog-head{align-items:stretch;flex-direction:column}
  .search-box{width:100%}
  .category-tiles{grid-template-columns:repeat(3,1fr);gap:8px}
  .category-tiles a{padding:14px 8px;font-size:.7rem}
  .category-tiles a b{width:34px;height:34px}
  .product-grid{gap:22px 10px}
  .product-media{height:150px}
  .product-content{padding:12px 0 0}
  .product-content h3{font-size:.83rem}
  .cta-banner{padding:28px 22px;text-align:center;justify-content:center}
  .cta-banner p{max-width:100%}
  .site-footer{grid-template-columns:1fr;padding:44px 16px 30px;gap:28px}
  .form-grid,.choice-grid{grid-template-columns:1fr}
  .cart-row{grid-template-columns:58px 1fr auto}
  .cart-row .cart-price{display:none}
  .cart-row .qty-input{grid-column:2}
  .cart-row .remove-cell{grid-column:3;grid-row:1/3}
  .product-detail-media,.product-detail-media .product-placeholder{min-height:330px}
  .product-detail h1{font-size:2rem}
  .metric-grid{grid-template-columns:1fr 1fr}
  .admin-main{padding:20px 14px}
  .admin-nav{grid-template-columns:1fr 1fr}
  .data-table th,.data-table td{white-space:nowrap}
  .page-title{align-items:flex-start;flex-direction:column;gap:13px}
  .floating-whatsapp{right:15px;bottom:15px;width:50px;height:50px}
  .back-to-top{left:15px;bottom:15px;width:42px;height:42px}
}