/* Meditronic Bolivia — estilos del sitio */
:root{
  --navy:#021E44; --blue:#1F5FD6; --blue-l:#4C8DFF; --blue-soft:#E8EFFC;
  --gray:#E8ECF1; --soft:#F3F5F8; --line:#E1E6EE; --muted:#4A5B75; --white:#FFFFFF;
  --radius:24px; --wrap:1280px;
  --display:'Sora',system-ui,sans-serif; --body:'Open Sans',system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
[hidden]{display:none!important}
body{margin:0;font-family:var(--body);color:var(--navy);background:var(--white);line-height:1.5;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--navy)}
button,input,select{font:inherit;color:inherit}
h1,h2,h3{font-family:var(--display);letter-spacing:-.02em;margin:0;line-height:1.1}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:32px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:3px solid var(--blue-l);outline-offset:2px;border-radius:6px}
.eyebrow{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);font-weight:600}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 24px;border-radius:999px;border:1px solid transparent;font-weight:600;font-size:15px;cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s,background .25s,color .25s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{color:#fff;box-shadow:0 10px 28px -8px rgba(31,95,214,.65)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{color:#fff;box-shadow:0 10px 28px -8px rgba(2,30,68,.5)}
.btn-white{background:#fff;color:var(--navy)}
.btn-white:hover{color:var(--navy);box-shadow:0 10px 28px -8px rgba(0,0,0,.35)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.08)}
.btn-outline{border-color:var(--navy);color:var(--navy);background:transparent}
.btn-outline:hover{color:var(--navy)}
.btn-lg{height:56px;padding:0 28px;font-size:16px}
.btn-block{width:100%}
.btn svg{width:20px;height:20px;flex:none}

/* Header */
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-row{display:flex;align-items:center;gap:28px;height:80px}
.brand img{height:46px;width:auto}
.main-nav{display:flex;gap:28px;flex:1;justify-content:center;font-weight:600;font-size:15px}
.main-nav a{color:var(--navy);position:relative}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--blue);transform:scaleX(0);transition:transform .3s var(--ease)}
.main-nav a:hover::after,.main-nav a[aria-current=page]::after{transform:scaleX(1)}
.header-actions{display:flex;gap:10px;align-items:center}
.cart-btn .badge{min-width:24px;height:24px;padding:0 7px;border-radius:999px;background:var(--blue);color:#fff;font-size:13px;display:inline-flex;align-items:center;justify-content:center}
.menu-btn{display:none;width:48px;height:48px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer;align-items:center;justify-content:center}
.menu-btn svg{width:22px;height:22px}

/* Hero */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.rings{position:absolute;pointer-events:none}
.rings span{position:absolute;border-radius:50%}
.rings .r1{inset:0;border:1px dashed rgba(255,255,255,.14);animation:spin 50s linear infinite}
.rings .r2{inset:12%;border:1px solid rgba(76,141,255,.45);animation:spin 70s linear infinite reverse}
.rings .r3{inset:24%;border:1px dashed rgba(255,255,255,.18);animation:spin 40s linear infinite}
.rings .glow{inset:33%;background:radial-gradient(circle,rgba(31,95,214,.55),rgba(31,95,214,0) 70%);animation:pulse 4s ease-in-out infinite}
.hero .rings{right:-180px;top:-140px;width:900px;height:900px}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-block:88px 120px}
.pill{display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);font-size:13px;letter-spacing:.02em}
.pill .dot{width:8px;height:8px;border-radius:50%;background:var(--blue-l)}
.hero h1{font-size:clamp(40px,5.4vw,68px);line-height:1.04;margin:24px 0}
.hero h1 em{font-style:normal;color:var(--blue-l)}
.hero .lead{font-size:19px;line-height:1.6;color:rgba(255,255,255,.78);max-width:540px}
.search{display:flex;align-items:center;gap:8px;background:#fff;border-radius:999px;padding:8px 8px 8px 22px;max-width:560px;margin-top:32px}
.search input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:16px;color:var(--navy)}
.popular{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;font-size:14px;color:rgba(255,255,255,.7)}
.popular a{color:rgba(255,255,255,.85);text-decoration:underline}
.popular a:hover{color:#fff}
.device-stage{position:relative;display:flex;justify-content:center;height:440px}
.device-stage .shadow{position:absolute;bottom:40px;width:360px;height:60px;border-radius:50%;background:radial-gradient(ellipse,rgba(76,141,255,.75),rgba(76,141,255,0) 70%);animation:pulse 4s ease-in-out infinite}
.device-card{position:relative;margin-top:20px;width:320px;height:340px;border-radius:28px;background:#fff;box-shadow:0 40px 80px -20px rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;padding:28px;animation:float 6s ease-in-out infinite}
.device-card img{width:78%;max-height:280px;object-fit:contain}
.device-label{position:absolute;z-index:2;left:0;bottom:56px;padding:14px 18px;border-radius:16px;background:rgba(2,30,68,.88);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(10px);font-size:13px;box-shadow:0 16px 32px -12px rgba(0,0,0,.5)}
.device-label strong{display:block;font-family:var(--display);font-size:15px}
.device-label span{color:rgba(255,255,255,.75)}

/* Trust bar */
.trust{background:var(--gray)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-block:28px;font-size:15px}
.trust-item{display:flex;gap:14px;align-items:center}
.trust-item svg{width:28px;height:28px;flex:none;color:var(--blue)}

/* Secciones */
.section{padding-block:120px}
.section-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:48px}
.section-head h2{font-size:clamp(32px,3.6vw,44px);margin-top:12px}

/* Categorías */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{position:relative;overflow:hidden;border-radius:var(--radius);background:var(--gray);color:var(--navy);padding:32px;min-height:240px;display:flex;flex-direction:column;justify-content:space-between;gap:24px;transition:transform .35s var(--ease),box-shadow .35s}
.cat-card:hover{transform:translateY(-8px);box-shadow:0 24px 48px -16px rgba(2,30,68,.28);color:var(--navy)}
.cat-card.featured{background:var(--navy);color:#fff}
.cat-card.featured:hover{color:#fff}
.cat-card.featured::before{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;border:1px solid rgba(76,141,255,.5)}
.cat-card .ico{width:40px;height:40px;color:var(--blue)}
.cat-card.featured .ico{color:var(--blue-l)}
.cat-card h3{font-size:24px}
.cat-card p{color:var(--muted);font-size:15px;margin-top:8px}
.cat-card.featured p{color:rgba(255,255,255,.72)}
.cat-card .more{display:inline-block;margin-top:12px;font-weight:600;color:var(--blue);transition:transform .25s}
.cat-card.featured .more{color:var(--blue-l)}
.cat-card:hover .more{transform:translateX(6px)}
.cat-card .count{position:absolute;top:28px;right:28px;font-size:13px;color:var(--muted)}
.cat-card.featured .count{color:rgba(255,255,255,.6)}

/* Tarjetas de producto */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:24px}
.card{position:relative;border-radius:var(--radius);border:1px solid var(--line);background:#fff;overflow:hidden;display:flex;flex-direction:column;transition:transform .35s var(--ease),box-shadow .35s,border-color .25s}
.card:hover{transform:translateY(-6px);box-shadow:0 22px 44px -18px rgba(2,30,68,.3)}
.card.is-selected{border:2px solid var(--blue)}
.card-media{position:relative;height:220px;background:var(--soft);display:flex;align-items:center;justify-content:center;overflow:hidden}
.card-media::after{content:"";position:absolute;bottom:24px;width:55%;height:18px;border-radius:50%;background:radial-gradient(ellipse,rgba(31,95,214,.3),rgba(31,95,214,0) 70%)}
.card-media img{position:relative;z-index:1;max-width:62%;max-height:150px;object-fit:contain;mix-blend-mode:multiply;border-radius:8px;transition:transform .5s var(--ease)}
.card:hover .card-media img{transform:scale(1.08)}
.chip{position:absolute;z-index:2;top:14px;padding:5px 11px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.05em}
.chip-tag{left:14px;background:#fff;color:var(--blue);max-width:calc(100% - 28px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chip-war{top:auto;bottom:14px;right:14px;background:var(--navy);color:#fff;font-weight:600}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-cat{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.card-title{font-size:20px;line-height:1.2}
.card-title a{color:var(--navy)}
.card-title a::before{content:"";position:absolute;inset:0;z-index:1}
.card-model{font-size:14px;font-weight:600;color:var(--blue)}
.card-specs{font-size:13px;color:var(--muted)}
.card-banner{font-size:14px;margin-top:6px}
.card-foot{margin-top:auto;padding-top:18px;display:flex;flex-direction:column;gap:12px;position:relative;z-index:2}
.price-row{display:flex;justify-content:space-between;align-items:baseline}
.price-row small{font-size:13px;color:var(--muted)}
.price{font-family:var(--display);font-size:22px;font-weight:700;font-variant-numeric:tabular-nums}
.add-btn{height:48px;border-radius:999px;border:1px solid var(--blue);background:var(--blue);color:#fff;font-weight:700;font-size:15px;cursor:pointer;transition:background .25s,color .25s,transform .25s}
.add-btn:hover{transform:translateY(-2px)}
.add-btn.is-on{background:var(--blue-soft);color:var(--blue)}

/* Banda asesoría */
.cta-band{position:relative;overflow:hidden;border-radius:32px;background:var(--blue);color:#fff;padding:72px 64px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:40px}
.cta-band .rings{right:-140px;top:-180px;width:560px;height:560px}
.cta-band .rings .r1,.cta-band .rings .r3{border-color:rgba(255,255,255,.35)}
.cta-band .rings .r2{border-color:rgba(255,255,255,.25)}
.cta-band .rings .glow{display:none}
.cta-band > div:not(.rings){position:relative}
.cta-band h2{font-size:clamp(28px,3.2vw,40px);max-width:620px}
.cta-band p{margin-top:16px;font-size:18px;line-height:1.6;color:rgba(255,255,255,.88);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* Por qué */
.why{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px}
.why h2{font-size:clamp(32px,3.6vw,44px);margin-top:16px}
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:40px 32px}
.why-item{border-top:2px solid var(--navy);padding-top:20px}
.why-item span{font-family:var(--display);font-size:14px;color:var(--blue)}
.why-item h3{font-size:20px;margin:10px 0}
.why-item p{font-size:15px;line-height:1.6;color:var(--muted)}

/* Intro catálogo */
.page-intro{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.page-intro .rings{right:-160px;top:-240px;width:640px;height:640px}
.page-intro .inner{position:relative;padding-block:64px 56px}
.page-intro h1{font-size:clamp(34px,4.4vw,52px);line-height:1.06;margin:20px 0 16px;max-width:820px}
.page-intro p{font-size:18px;line-height:1.6;color:rgba(255,255,255,.78);max-width:640px}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.filter{height:44px;padding:0 18px;border-radius:999px;border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;cursor:pointer;font-size:14px;transition:background .25s,color .25s}
.filter span{opacity:.6;margin-left:4px}
.filter:hover{background:rgba(255,255,255,.08)}
.filter[aria-pressed=true]{background:#fff;color:var(--navy);border-color:#fff;font-weight:700}
.catalog-search{display:flex;align-items:center;gap:10px;height:52px;padding:0 20px;border-radius:999px;background:var(--soft);max-width:560px;flex:1}
.catalog-search svg{width:18px;height:18px;color:var(--muted);flex:none}
.catalog-search input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:15px}
.toolbar{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;margin-bottom:28px}
.toolbar h2{font-size:30px}
.result-count{font-size:14px;color:var(--muted)}
.empty{border-radius:var(--radius);background:var(--soft);padding:48px;display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.empty h3{font-size:22px}
.empty p{color:var(--muted)}

/* Ficha */
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--muted);padding-top:32px}
.product{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start;padding-block:32px 96px}
.product-stage{position:relative;height:560px;border-radius:32px;background:var(--navy);overflow:hidden;display:flex;align-items:center;justify-content:center}
.product-stage .rings{width:640px;height:640px;left:50%;top:50%;transform:translate(-50%,-50%)}
.product-stage .rings .glow{display:none}
.product-stage .shadow{position:absolute;bottom:100px;width:340px;height:50px;border-radius:50%;background:radial-gradient(ellipse,rgba(76,141,255,.8),rgba(76,141,255,0) 70%);animation:pulse 4s ease-in-out infinite}
.product-stage .device-card{margin:0}
.product-info{display:flex;flex-direction:column;gap:22px}
.badges{display:flex;flex-wrap:wrap;gap:8px}
.badge-soft{padding:6px 12px;border-radius:999px;background:var(--blue-soft);color:var(--blue);font-size:13px;font-weight:600}
.badge-gray{padding:6px 12px;border-radius:999px;background:var(--soft);font-size:13px}
.product-info h1{font-size:clamp(36px,4vw,52px);line-height:1.05}
.product-info .model{font-size:16px;font-weight:600;color:var(--blue);margin-top:-8px}
.product-info .lead{font-size:18px;line-height:1.6;color:var(--muted)}
.checks{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;font-size:16px}
.checks li{display:flex;gap:12px;align-items:flex-start}
.checks svg{width:22px;height:22px;flex:none;color:var(--blue);margin-top:1px}
.buy-box{border-radius:var(--radius);background:var(--soft);padding:24px;display:flex;flex-direction:column;gap:16px}
.buy-box .price-row .price{font-size:28px}
.buy-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;text-align:center;font-size:13px;color:var(--muted)}
.facts div{padding:14px 8px;border-radius:16px;border:1px solid var(--line)}
.facts strong{display:block;color:var(--navy);font-size:14px}
.specs-wrap{background:var(--soft)}
.tabs{display:inline-flex;flex-wrap:wrap;gap:6px;padding:6px;border-radius:999px;background:#fff;margin-bottom:40px}
.tab{height:46px;padding:0 22px;border-radius:999px;border:0;background:transparent;cursor:pointer;font-size:15px;transition:background .25s,color .25s}
.tab[aria-selected=true]{background:var(--navy);color:#fff;font-weight:600}
.tab-panel{animation:rise .5s var(--ease) both}
.tab-panel[hidden]{display:none}
.spec-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;font-size:15px}
.spec-table th,.spec-table td{padding:18px 28px;border-bottom:1px solid var(--line);text-align:left}
.spec-table th{width:40%;font-weight:600}
.spec-table td{color:var(--muted)}
.use-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.use-card{border-radius:var(--radius);background:#fff;padding:28px}
.use-card h3{font-size:20px;margin-bottom:10px}
.use-card p{color:var(--muted);line-height:1.6}
.desc-row{display:grid;grid-template-columns:1fr 1.3fr;gap:48px}
.desc-row h2{font-size:clamp(28px,3vw,36px)}
.desc-row p{font-size:17px;line-height:1.7;color:var(--muted)}

/* Calculadora */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.calc h2{font-size:clamp(30px,3.2vw,40px);margin:16px 0 28px}
.range{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.range label{display:flex;justify-content:space-between;font-weight:600}
.range output{color:var(--blue)}
.range input{width:100%;accent-color:var(--blue)}
.calc-note{font-size:13px;color:var(--muted)}
.calc-card{position:relative;overflow:hidden;border-radius:32px;background:var(--navy);color:#fff;padding:48px;display:flex;flex-direction:column;gap:24px}
.calc-card .rings{right:-140px;top:-140px;width:400px;height:400px}
.calc-card .rings .glow{display:none}
.calc-card > *:not(.rings){position:relative}
.calc-big{font-family:var(--display);font-size:clamp(40px,5vw,64px);font-weight:700;letter-spacing:-.02em}
.calc-mini{display:grid;grid-template-columns:1fr 1fr;gap:16px;font-size:14px}
.calc-mini div{border-radius:16px;background:rgba(255,255,255,.08);padding:18px}
.calc-mini span{color:rgba(255,255,255,.7)}
.calc-mini strong{display:block;font-size:20px}

/* Footer */
.site-footer{background:var(--gray);color:var(--muted);font-size:14px;line-height:1.7}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px;padding-block:64px 40px}
.footer-grid strong{display:block;color:var(--navy);margin-bottom:6px}
.footer-grid img{height:48px;width:auto;margin-bottom:14px}
.footer-grid a{color:var(--muted)}
.footer-grid a:hover{color:var(--blue)}
.footer-bottom{border-top:1px solid #C9D2DF;padding-block:20px 32px;font-size:13px}

/* WhatsApp flotante */
.wa-float{position:fixed;right:24px;bottom:24px;z-index:45;width:60px;height:60px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px -8px rgba(0,0,0,.35);transition:transform .25s,bottom .35s var(--ease)}
.wa-float:hover{transform:scale(1.08);color:#fff}
.wa-float svg{width:30px;height:30px}
body.has-tray .wa-float{bottom:110px}

/* Bandeja de cotización */
.tray{position:fixed;left:16px;right:16px;bottom:16px;z-index:44;max-width:900px;margin:0 auto;border-radius:22px;background:var(--navy);color:#fff;padding:14px 14px 14px 26px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;box-shadow:0 20px 50px -12px rgba(2,30,68,.55);transform:translateY(140%);transition:transform .45s var(--ease)}
.tray:not(.is-visible){visibility:hidden;pointer-events:none}
.tray.is-visible{transform:none}
.tray strong{display:block;font-size:15px}
.tray span{font-size:13px;color:rgba(255,255,255,.72)}

/* Panel lateral */
.overlay{position:fixed;inset:0;z-index:60;background:rgba(2,30,68,.45);display:flex;justify-content:flex-end;opacity:0;pointer-events:none;transition:opacity .3s}
.overlay.is-open{opacity:1;pointer-events:auto}
.drawer{width:min(480px,100%);height:100%;background:#fff;display:flex;flex-direction:column;transform:translateX(100%);transition:transform .4s var(--ease)}
.overlay.is-open .drawer{transform:none}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:24px 28px;border-bottom:1px solid var(--line)}
.drawer-head h2{font-size:22px}
.icon-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--muted)}
.drawer-body{flex:1;overflow-y:auto;padding:20px 28px;display:flex;flex-direction:column;gap:14px}
.d-item{display:flex;align-items:center;gap:14px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.d-item .thumb{width:56px;height:56px;border-radius:12px;background:var(--soft);display:flex;align-items:center;justify-content:center;flex:none}
.d-item .thumb img{max-width:44px;max-height:44px;mix-blend-mode:multiply}
.d-item .info{flex:1;min-width:0}
.d-item .info b{display:block;font-size:15px}
.d-item .info span{font-size:13px;color:var(--muted)}
.d-item .p{font-weight:600;font-variant-numeric:tabular-nums}
.d-empty{color:var(--muted);line-height:1.6}
.subtotal{display:flex;justify-content:space-between;align-items:baseline;padding-top:6px}
.subtotal span{color:var(--muted)}
.subtotal b{font-family:var(--display);font-size:24px}
.form-note{font-size:14px;line-height:1.6;color:var(--muted);background:var(--soft);border-radius:16px;padding:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:14px;font-weight:600}
.field input,.field select{height:48px;border-radius:12px;border:1px solid #C9D2DF;padding:0 14px;background:#fff;font-size:15px}
.field input:focus,.field select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(31,95,214,.18)}
.drawer-foot{padding:20px 28px 28px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:10px}
.copied{font-size:13px;color:var(--blue);text-align:center;min-height:18px}

/* Animaciones */
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{0%,100%{opacity:.4}50%{opacity:.95}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.rise{animation:rise .9s var(--ease) both}
.d1{animation-delay:.1s}.d2{animation-delay:.2s}.d3{animation-delay:.3s}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* Responsive */
@media (max-width:1080px){
  .main-nav{gap:18px}
  .hero-grid,.product,.calc,.why{grid-template-columns:1fr}
  .device-stage{height:400px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .use-grid{grid-template-columns:1fr}
  .desc-row{grid-template-columns:1fr;gap:20px}
}
@media (max-width:860px){
  .menu-btn{display:inline-flex}
  .main-nav{position:fixed;top:80px;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 16px 16px;transform:translateY(-130%);transition:transform .35s var(--ease);z-index:-1;box-shadow:0 20px 40px -20px rgba(2,30,68,.3)}
  .main-nav:not(.is-open){visibility:hidden}
  .main-nav.is-open{transform:none}
  .main-nav a{padding:14px 8px;border-bottom:1px solid var(--line)}
  .main-nav a::after{display:none}
  .header-actions .btn-label{display:none}
  .header-actions .cart-btn{padding:0 16px}
}
@media (max-width:640px){
  .wrap{padding-inline:16px}
  .header-row{height:68px;gap:12px}
  .main-nav{top:68px}
  .brand img{height:36px}
  .header-row .brand{flex:1}
  .hero-grid{padding-block:48px 72px;gap:24px}
  .hero .lead{font-size:17px}
  .search{padding-left:16px}
  .search .btn{padding:0 18px}
  .device-stage{height:340px}
  .device-card{width:260px;height:280px}
  .device-card img{max-height:220px}
  .device-label{bottom:30px}
  .hero .rings{width:600px;height:600px;right:-300px;top:-100px}
  .trust-grid{grid-template-columns:1fr;gap:16px}
  .section{padding-block:72px}
  .section-head{margin-bottom:32px}
  .cat-grid{grid-template-columns:1fr}
  .cat-card{min-height:190px}
  .cta-band{padding:48px 24px;border-radius:24px}
  .cta-actions,.cta-actions .btn{width:100%}
  .why-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;padding-block:48px 24px}
  .product-stage{height:380px;border-radius:24px}
  .product-stage .device-card{width:250px;height:270px}
  .buy-actions{grid-template-columns:1fr}
  .tabs{display:flex;overflow-x:auto;flex-wrap:nowrap;border-radius:16px;max-width:100%}
  .tab{flex:none;padding:0 16px}
  .spec-table th,.spec-table td{padding:14px 16px}
  .calc-card{padding:32px 24px;border-radius:24px}
  .page-intro .inner{padding-block:44px 40px}
  .filters{flex-wrap:nowrap;overflow-x:auto;margin-inline:-16px;padding-inline:16px;scrollbar-width:none}
  .filters::-webkit-scrollbar{display:none}
  .filter{flex:none}
  .grid{grid-template-columns:1fr}
  .tray{padding:12px 12px 12px 18px}
  .tray .btn{width:100%}
  .wa-float{right:16px;bottom:16px;width:56px;height:56px}
  body.has-tray .wa-float{bottom:172px}
  .empty{padding:28px}
}