/* ================= TOKENS: monocromo ================= */
:root{
  --ink:#0A0A0A;
  --ink-2:#1C1C1C;
  --g-700:#3D3D3D;
  --g-500:#6E6E6E;
  --g-400:#8F8F8F;
  --g-200:#D8D8D8;
  --g-100:#ECECEC;
  --g-50:#F5F5F5;
  --white:#FFFFFF;
  --line:#DEDEDE;
  --line-dark:#2E2E2E;
  --maxw:1200px;
  --r:4px;                 /* esquinas casi rectas: catálogo técnico, no app */
  --f-display:"Archivo", system-ui, sans-serif;
  --f-body:"IBM Plex Sans", system-ui, sans-serif;
  --f-mono:"IBM Plex Mono", ui-monospace, monospace;
}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--f-body);font-size:16.5px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:800;line-height:1.05;letter-spacing:-.025em;margin:0 0 .5em;text-wrap:balance}
h1{font-size:clamp(2.3rem,5.4vw,3.9rem);text-transform:uppercase}
h2{font-size:clamp(1.7rem,3.4vw,2.4rem);text-transform:uppercase}
h3{font-size:1.1rem;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1rem}
a{color:inherit}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.section{padding:86px 0}
.section--tight{padding:58px 0}
.section--gray{background:var(--g-50);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--dark{background:var(--ink);color:var(--g-100)}
.section--dark h2,.section--dark h3{color:#fff}
.eyebrow{font-family:var(--f-mono);font-size:.7rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--g-500);display:block;margin-bottom:14px}
.section--dark .eyebrow{color:var(--g-400)}
.lead{color:var(--g-500);max-width:64ch;font-size:1.05rem}
.section--dark .lead{color:var(--g-400)}
.head{max-width:58ch;margin-bottom:46px}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* ================= BOTONES ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--f-mono);font-weight:600;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;
  padding:15px 24px;border:1.5px solid var(--ink);border-radius:var(--r);text-decoration:none;cursor:pointer;
  background:var(--ink);color:#fff;transition:background .15s ease,color .15s ease,transform .15s ease;
}
.btn:hover{background:#fff;color:var(--ink);transform:translateY(-1px)}
.btn--outline{background:transparent;color:var(--ink)}
.btn--outline:hover{background:var(--ink);color:#fff}
.section--dark .btn{background:#fff;color:var(--ink);border-color:#fff}
.section--dark .btn:hover{background:transparent;color:#fff}
.section--dark .btn--outline{background:transparent;color:#fff;border-color:var(--g-500)}
.section--dark .btn--outline:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn--sm{padding:10px 15px;font-size:.72rem}
.btn--block{width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* ================= HEADER ================= */
.header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header.is-stuck{border-bottom-color:var(--ink)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:76px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none}
.brand img{width:38px;height:38px}
.brand b{font-family:var(--f-display);font-weight:800;font-size:1.05rem;letter-spacing:-.02em;text-transform:uppercase;display:block;line-height:1}
.brand small{font-family:var(--f-mono);font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:var(--g-500);display:block;margin-top:3px}
.nav-links{display:flex;gap:2px;list-style:none;margin:0;padding:0}
.nav-links a{
  text-decoration:none;font-family:var(--f-mono);font-size:.76rem;letter-spacing:.09em;text-transform:uppercase;
  padding:10px 12px;border-radius:var(--r);color:var(--g-700);transition:background .15s,color .15s;
}
.nav-links a:hover{background:var(--g-100);color:var(--ink)}
.nav-links a.is-active{color:var(--ink);background:var(--g-100);font-weight:600}
.nav-links .has-menu{position:relative}
.caret{font-size:.6rem;margin-left:2px}
.submenu{
  position:absolute;top:100%;left:0;min-width:220px;list-style:none;margin:0;padding:6px;
  background:#fff;border:1.5px solid var(--ink);border-radius:var(--r);
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:all .16s ease;z-index:70;
}
.nav-links .has-menu:hover .submenu,.nav-links .has-menu:focus-within .submenu{opacity:1;visibility:visible;transform:none}
.submenu a{display:block;padding:10px 12px;font-size:.72rem}
.submenu a:hover{background:var(--ink);color:#fff}
@media(max-width:960px){
  .submenu{position:static;opacity:1;visibility:visible;transform:none;border:0;border-radius:0;padding:0 0 0 14px;min-width:0}
  .submenu a{border-bottom:1px solid var(--line);padding:13px 4px;color:var(--g-500)}
  .submenu a:hover{background:none;color:var(--ink)}
  .caret{display:none}
}
.nav-cta{display:flex;align-items:center;gap:10px}
.cart-btn{position:relative;display:inline-flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;background:none;border:1.5px solid var(--line);border-radius:var(--r);padding:10px 13px;cursor:pointer}
.cart-btn:hover{border-color:var(--ink)}
.cart-count{background:var(--ink);color:#fff;border-radius:99px;min-width:19px;height:19px;display:grid;place-items:center;font-size:.65rem;padding:0 5px}
.burger{display:none;width:44px;height:44px;border:1.5px solid var(--line);background:#fff;border-radius:var(--r);cursor:pointer;align-items:center;justify-content:center}
.burger span,.burger span::before,.burger span::after{display:block;width:18px;height:2px;background:var(--ink)}
.burger span{position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;transition:transform .2s}
.burger span::before{top:-6px}.burger span::after{top:6px}
.header.menu-open .burger span{background:transparent}
.header.menu-open .burger span::before{transform:translateY(6px) rotate(45deg)}
.header.menu-open .burger span::after{transform:translateY(-6px) rotate(-45deg)}
@media(max-width:960px){
  .nav-links{position:fixed;inset:76px 0 auto 0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--ink);padding:8px 22px 20px;transform:translateY(-130%);transition:transform .28s cubic-bezier(.4,0,.2,1)}
  .header.menu-open .nav-links{transform:translateY(0)}
  .nav-links a{padding:16px 4px;border-bottom:1px solid var(--line);border-radius:0;font-size:.9rem}
  .nav-cta .btn{display:none}
  .burger{display:flex}
}

/* ================= HERO ================= */
.hero{position:relative;padding:92px 0 84px;overflow:hidden;background:var(--white)}
.hero::before{ /* plano técnico de fondo */
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--g-100) 1px,transparent 1px),linear-gradient(90deg,var(--g-100) 1px,transparent 1px);
  background-size:38px 38px;
  mask-image:radial-gradient(70% 60% at 70% 40%,#000 0%,transparent 100%);
}
.hero .container{position:relative}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1 span{display:block;color:var(--g-400)}
.stamp{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  border:1.5px solid var(--ink);border-radius:99px;padding:6px 13px;margin-bottom:22px;
}
.stamp .sq{width:7px;height:7px;background:var(--ink)}
/* Índice de marcas */
.selector{border:1.5px solid var(--ink);border-radius:var(--r);background:#fff;overflow:hidden}
.selector-top{background:var(--ink);color:#fff;padding:14px 20px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.selector-top b{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;font-weight:600}
.selector-top span{font-family:var(--f-mono);font-size:.66rem;color:var(--g-400)}
.brand-index{list-style:none;margin:0;padding:0}
.brand-index li{border-bottom:1px solid var(--line)}
.brand-index a{
  display:grid;grid-template-columns:1fr auto;align-items:center;gap:4px 12px;
  padding:14px 20px;text-decoration:none;transition:background .15s;
}
.brand-index a:hover{background:var(--g-50)}
.brand-index b{font-family:var(--f-display);font-size:1.05rem;letter-spacing:-.01em;text-transform:uppercase}
.brand-index span{grid-column:1;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--g-400)}
.brand-index em{grid-row:1/3;grid-column:2;font-family:var(--f-mono);font-style:normal;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--g-500);border:1px solid var(--line);border-radius:var(--r);padding:4px 8px}
.brand-index a:hover em{border-color:var(--ink);color:var(--ink)}
.brand-index-foot{padding:18px 20px;background:var(--g-50);border-top:1px solid var(--line)}
.brand-index-foot p{font-size:.85rem;color:var(--g-500);margin-bottom:12px}
@media(max-width:960px){.hero{padding:56px 0 64px}.hero-grid{grid-template-columns:1fr;gap:38px}}

/* ================= FRANJA DE CONFIANZA ================= */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--g-50);padding:0}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-item{padding:26px 22px;border-right:1px solid var(--line)}
.trust-item:last-child{border-right:0}
.trust-item b{display:block;font-family:var(--f-display);font-size:1.5rem;letter-spacing:-.02em}
.trust-item span{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--g-500)}
.marquee{border-bottom:1px solid var(--line);padding:16px 0;background:#fff;overflow:hidden}
.marquee-in{display:flex;gap:36px;align-items:center;justify-content:center;flex-wrap:wrap;font-family:var(--f-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--g-400)}
.marquee-in b{color:var(--ink);font-weight:600}
@media(max-width:820px){.trust-grid{grid-template-columns:repeat(2,1fr)}.trust-item:nth-child(2){border-right:0}.trust-item:nth-child(-n+2){border-bottom:1px solid var(--line)}}

/* ================= GRIDS / CARDS ================= */
.grid{display:grid;gap:0}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.bordered{border:1px solid var(--line)}
.bordered > *{border-right:1px solid var(--line);border-bottom:1px solid var(--line);margin:-.5px}
.cell{padding:32px}
.cell .num{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.16em;color:var(--g-400);display:block;margin-bottom:16px}
.cell p{color:var(--g-500);font-size:.95rem;margin:0}
.cell .ic{margin-bottom:18px;color:var(--ink)}
.section--dark .bordered{border-color:var(--line-dark)}
.section--dark .bordered > *{border-color:var(--line-dark)}
.section--dark .cell p{color:var(--g-400)}
@media(max-width:900px){.grid-3{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}}

/* ================= PRODUCTOS ================= */
.tabs{display:flex;gap:0;border:1.5px solid var(--ink);border-radius:var(--r);overflow:hidden;margin-bottom:22px;flex-wrap:wrap}
.tab{
  flex:1;min-width:150px;background:#fff;border:0;border-right:1.5px solid var(--ink);cursor:pointer;
  font-family:var(--f-mono);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--g-500);
  padding:15px 14px;display:flex;align-items:center;justify-content:center;gap:8px;transition:background .15s,color .15s;
}
.tab:last-child{border-right:0}
.tab em{font-style:normal;font-size:.66rem;border:1px solid currentColor;border-radius:99px;padding:1px 7px}
.tab:hover{background:var(--g-100);color:var(--ink)}
.tab.is-on{background:var(--ink);color:#fff}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.filters.is-hidden{display:none}
.filter{
  font-family:var(--f-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  background:#fff;border:1.5px solid var(--line);color:var(--g-500);padding:10px 14px;border-radius:var(--r);cursor:pointer;transition:all .15s;
}
.filter:hover{border-color:var(--ink);color:var(--ink)}
.filter.is-on{background:var(--ink);border-color:var(--ink);color:#fff}
.parts{border:1.5px solid var(--ink);border-radius:var(--r);overflow:hidden}
.parts-head,.part{display:grid;grid-template-columns:70px 74px 1fr 110px 100px 108px;align-items:center;gap:14px;padding:12px 18px}
.parts-head{background:var(--ink);color:#fff;font-family:var(--f-mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase}
.part{border-top:1px solid var(--line);background:#fff;transition:background .12s}
.part:hover{background:var(--g-50)}
.p-sku{font-family:var(--f-mono);font-size:.72rem;color:var(--g-500)}
.p-shot{display:block;width:70px;height:70px;border:1px solid var(--line);border-radius:var(--r);background:#fff;overflow:hidden}
.p-shot img{width:100%;height:100%;object-fit:contain;filter:grayscale(1) contrast(1.05);mix-blend-mode:multiply}
.p-name b{display:block;font-size:.97rem;font-weight:600;line-height:1.3}
.p-name small{font-size:.78rem;color:var(--g-500)}
.p-brand{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--g-500);border:1px solid var(--line);border-radius:var(--r);padding:3px 7px;justify-self:start}
.p-price{font-family:var(--f-display);font-weight:800;font-size:1.08rem}
@media(max-width:760px){
  .parts-head{display:none}
  .part{grid-template-columns:70px 1fr auto;grid-template-areas:"shot name price" "shot brand brand" "btn btn btn";gap:8px 14px;padding:16px}
  .p-sku{display:none}
  .p-shot{grid-area:shot;align-self:start}
  .p-name{grid-area:name}
  .p-brand{grid-area:brand}
  .p-price{grid-area:price;text-align:right}
  .part .btn{grid-area:btn;width:100%;margin-top:6px}
}
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:980px){.products{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.products{grid-template-columns:1fr}}
.prod{border:1.5px solid var(--line);border-radius:var(--r);background:#fff;display:flex;flex-direction:column;transition:border-color .15s,transform .15s}
.prod:hover{border-color:var(--ink);transform:translateY(-2px)}
.prod .shot{position:relative;aspect-ratio:4/3;background:var(--g-100);overflow:hidden;border-bottom:1px solid var(--line)}
.prod .shot img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.05);transition:transform .5s ease}
.prod:hover .shot img{transform:scale(1.04)}
.sku{position:absolute;top:0;left:0;background:var(--ink);color:#fff;font-family:var(--f-mono);font-size:.64rem;letter-spacing:.1em;padding:6px 10px}
.stock{position:absolute;top:0;right:0;background:#fff;border-left:1px solid var(--line);border-bottom:1px solid var(--line);font-family:var(--f-mono);font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;padding:6px 10px;color:var(--g-500)}
.prod-body{padding:20px;display:flex;flex-direction:column;flex:1}
.prod-body h3{margin-bottom:8px}
.prod-body p{font-size:.9rem;color:var(--g-500);flex:1}
.compat{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.06em;color:var(--g-400);text-transform:uppercase;border-top:1px dashed var(--g-200);padding-top:10px;margin:10px 0 14px}
.price{display:flex;align-items:baseline;gap:8px;margin-bottom:14px}
.price b{font-family:var(--f-display);font-size:1.55rem;letter-spacing:-.02em}
.price span{font-family:var(--f-mono);font-size:.68rem;color:var(--g-400);text-transform:uppercase;letter-spacing:.08em}
.is-hidden{display:none !important}

/* ================= PASOS ================= */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line-dark)}
.step{padding:28px 22px 0;border-right:1px solid var(--line-dark)}
.step:last-child{border-right:0}
.step b{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.16em;color:var(--g-400);display:block;margin-bottom:14px}
.step p{font-size:.92rem;color:var(--g-400);margin:0}
@media(max-width:900px){.steps{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid var(--line-dark);padding-bottom:24px}.step:last-child{border-bottom:0}}

/* ================= TESTIMONIOS ================= */
.quote{padding:32px}
.quote p{font-size:1rem}
.quote .stars{font-family:var(--f-mono);font-size:.8rem;letter-spacing:.2em;margin-bottom:12px}
.who{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--g-500);border-top:1px solid var(--line);padding-top:14px;margin-top:18px}
.who b{color:var(--ink)}

/* ================= FAQ ================= */
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq details:first-child{border-top:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;font-family:var(--f-display);font-weight:700;font-size:1.05rem;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--f-mono);font-size:1.3rem;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{margin:12px 0 0;color:var(--g-500);font-size:.95rem;max-width:80ch}

/* ================= SPLIT ================= */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split img{filter:grayscale(1) contrast(1.05);border:1px solid var(--line);aspect-ratio:4/3;object-fit:cover;width:100%}
.ticks{list-style:none;padding:0;margin:0 0 24px}
.ticks li{padding:14px 0;border-bottom:1px solid var(--line);display:flex;gap:14px;font-size:.97rem}
.section--dark .ticks li{border-color:var(--line-dark)}
.ticks li::before{content:"—";font-family:var(--f-mono);color:var(--g-400)}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:34px}}

/* ================= CTA ================= */
.cta{background:var(--ink);color:#fff;padding:64px 48px;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line-dark) 1px,transparent 1px),linear-gradient(90deg,var(--line-dark) 1px,transparent 1px);background-size:38px 38px;opacity:.6;mask-image:radial-gradient(60% 80% at 90% 50%,#000,transparent)}
.cta > *{position:relative}
.cta h2{color:#fff;max-width:20ch}
.cta p{color:var(--g-400);max-width:54ch}
@media(max-width:640px){.cta{padding:38px 24px}}

/* ================= CONTACTO ================= */
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}}
.form-card{border:1.5px solid var(--ink);border-radius:var(--r);padding:30px}
.field{margin-bottom:16px}
.field label{display:block;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--g-500);margin-bottom:6px}
.field input,.field textarea{width:100%;font-family:var(--f-body);font-size:.97rem;padding:12px 13px;border:1.5px solid var(--line);border-radius:var(--r);background:var(--g-50);color:var(--ink)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--ink);background:#fff}
.field textarea{min-height:120px;resize:vertical}
.field .err{display:none;font-size:.78rem;color:var(--ink);font-family:var(--f-mono);margin-top:5px}
.field.invalid input,.field.invalid textarea{border-color:var(--ink);background:var(--g-100)}
.field.invalid .err{display:block}
.ok-msg{display:none;border:1.5px solid var(--ink);background:var(--g-100);padding:14px;font-size:.9rem;margin-bottom:18px}
.ok-msg.show{display:block}
.info-list{list-style:none;padding:0;margin:0 0 26px}
.info-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.info-list li:first-child{border-top:1px solid var(--line)}
.info-list b{display:block;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--g-500);margin-bottom:2px}
.info-list a,.info-list span{text-decoration:none;font-size:.97rem}
.info-list a:hover{text-decoration:underline}
.map{width:100%;height:270px;border:1px solid var(--line);filter:grayscale(1) contrast(1.08)}
.socials{display:flex;gap:8px;margin-top:16px}
.socials a{width:42px;height:42px;border:1.5px solid var(--line);border-radius:var(--r);display:grid;place-items:center;transition:all .15s}
.socials a:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ================= CARRITO ================= */
.cart{position:fixed;top:0;right:0;bottom:0;width:min(400px,92vw);background:#fff;border-left:1.5px solid var(--ink);z-index:90;transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column}
.cart.is-open{transform:none}
.cart-head{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1.5px solid var(--ink)}
.cart-head b{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase}
.cart-close{background:none;border:0;font-size:1.4rem;cursor:pointer;line-height:1;padding:4px 8px}
.cart-items{flex:1;overflow-y:auto;padding:8px 20px}
.cart-item{display:flex;gap:12px;justify-content:space-between;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line)}
.cart-item h4{margin:0 0 4px;font-family:var(--f-body);font-size:.92rem;font-weight:600}
.cart-item small{font-family:var(--f-mono);font-size:.7rem;color:var(--g-500)}
.qty{display:flex;align-items:center;gap:8px;margin-top:8px}
.qty button{width:26px;height:26px;border:1px solid var(--line);background:#fff;cursor:pointer;font-family:var(--f-mono);border-radius:var(--r)}
.qty button:hover{border-color:var(--ink)}
.qty span{font-family:var(--f-mono);font-size:.85rem;min-width:18px;text-align:center}
.cart-foot{padding:20px;border-top:1.5px solid var(--ink);background:var(--g-50)}
.cart-total{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:14px}
.cart-total span{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--g-500)}
.cart-total b{font-family:var(--f-display);font-size:1.6rem}
.cart-note{font-family:var(--f-mono);font-size:.66rem;color:var(--g-400);margin:10px 0 0;text-align:center;line-height:1.5}
.overlay{position:fixed;inset:0;background:rgba(10,10,10,.5);z-index:85;opacity:0;pointer-events:none;transition:opacity .3s}
.overlay.is-open{opacity:1;pointer-events:auto}
.empty{font-family:var(--f-mono);font-size:.8rem;color:var(--g-400);text-align:center;padding:40px 0}

/* ================= FOOTER ================= */
.footer{background:var(--ink);color:var(--g-400);padding:64px 0 24px}
.footer .brand img{filter:invert(1)}
.footer .brand b{color:#fff}
.footer .brand small{color:var(--g-500)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1fr;gap:34px}
.footer h4{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:#fff;margin-bottom:16px}
.footer ul{list-style:none;margin:0;padding:0}
.footer li{margin-bottom:9px}
.footer a{text-decoration:none;font-size:.92rem}
.footer a:hover{color:#fff}
.footer p{font-size:.9rem;max-width:36ch;margin-top:14px}
.footer-bottom{margin-top:46px;padding-top:20px;border-top:1px solid var(--line-dark);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.06em;color:var(--g-500)}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}

/* ================= VISTAS ================= */
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}
.page-head{border-bottom:1px solid var(--line);padding:64px 0 52px;background:var(--g-50)}
.crumb{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--g-400);margin-bottom:16px}
.crumb a{text-decoration:none}
.crumb a:hover{text-decoration:underline}

/* ---- Multi-página ---- */
.p-shot img{background:#fff}
.loading{font-family:var(--f-mono);font-size:.8rem;color:var(--g-400);padding:40px 0;text-align:center}