:root{--bg:#f6f5f1;--card:#fff;--tx:#1d2433;--mut:#5f6878;--line:#d9d6cc;--ac:#27303f;--acx:#fff;--g:#14532d;--gb:#dcfce7;--a:#7c4a03;--ab:#fef3c7;--r:#7f1d1d;--rb:#fee2e2;--c1:#9aa3b2;--c2:#6b7587;--c3:#b9a98a;--c4:#d99a2b;--c6:#2f9e6a;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#12161d;--card:#1b212c;--tx:#eef0f4;--mut:#a9b1c0;--line:#394255;--ac:#e7e2d6;--acx:#14171d;--g:#bbf7d0;--gb:#14391f;--a:#fde68a;--ab:#3b2d0b;--r:#fecaca;--rb:#451a1a;--c1:#7d8798;--c2:#a3adbf;--c3:#a8946b;--c4:#e8b04a;--c6:#4cc38a}}
:root[data-theme="dark"]{--bg:#12161d;--card:#1b212c;--tx:#eef0f4;--mut:#a9b1c0;--line:#394255;--ac:#e7e2d6;--acx:#14171d;--g:#bbf7d0;--gb:#14391f;--a:#fde68a;--ab:#3b2d0b;--r:#fecaca;--rb:#451a1a;--c1:#7d8798;--c2:#a3adbf;--c3:#a8946b;--c4:#e8b04a;--c6:#4cc38a}
html{height:100%}*{box-sizing:border-box}
body{margin:0;min-height:100%;background:var(--bg);color:var(--tx);font:17px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:560px;margin:0 auto;padding:16px 16px 48px}
.brand{font-weight:800;margin-bottom:8px}.brand span{background:var(--ac);color:var(--acx);border-radius:8px;padding:1px 8px;margin-right:6px}
h1{font-size:31px;line-height:1.15;margin:0 0 10px}h2{font-size:22px;line-height:1.2;margin:0 0 6px}h3{font-size:16px;margin:16px 0 6px}
p{margin:0 0 10px}.mut{color:var(--mut);font-size:14px}.hide{display:none!important}
.bar{height:8px;background:var(--line);border-radius:6px;overflow:hidden;margin:4px 0 16px}.bar i{display:block;height:100%;background:var(--ac);transition:width .3s}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;margin-bottom:12px}
button{font:inherit;cursor:pointer;color:inherit}
.btn{display:block;width:100%;background:var(--ac);color:var(--acx);border:0;border-radius:12px;padding:15px;font-weight:700;min-height:50px;margin-top:10px}.btn.s{background:none;border:2px solid var(--line);color:var(--tx)}
.opt{display:block;width:100%;text-align:left;background:var(--card);border:2px solid var(--line);border-radius:12px;padding:14px;margin-bottom:10px;min-height:50px}
.opt.on{border-color:var(--ac);box-shadow:inset 0 0 0 1px var(--ac)}.opt.on::before{content:"✓ "}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:6px 0 12px}.seg .opt{margin:0;text-align:center;padding:10px}
.sl{margin-bottom:14px}.sl label{display:flex;justify-content:space-between;font-weight:600;font-size:15px}.sl output{font-weight:800}
input[type=range]{width:100%;height:32px;accent-color:var(--ac)}
.vis{background:var(--bg);border-radius:14px;padding:14px;margin:10px 0;text-align:center}.vis b{font-size:30px;display:block}.vis b.xl{font-size:54px;line-height:1.1;margin:6px 0}
.meter{height:12px;background:var(--line);border-radius:8px;overflow:hidden;margin-top:8px}.meter i{display:block;height:100%;background:var(--c6);transition:width .25s}
.sky{display:flex;gap:8px;align-items:flex-end;height:100px;margin:18px 0}.sky i{flex:1;background:var(--ac);border-radius:6px 6px 0 0;height:60%;animation:gr 1.4s ease-in-out infinite alternate}.sky i:nth-child(2){animation-delay:.2s}.sky i:nth-child(3){animation-delay:.4s}.sky i:nth-child(4){animation-delay:.6s}.sky i:nth-child(5){animation-delay:.8s}
@keyframes gr{from{height:18%}to{height:100%}}
.pill{display:inline-block;border-radius:20px;padding:3px 12px;font-size:14px;font-weight:700}.pill.g{background:var(--gb);color:var(--g)}.pill.a{background:var(--ab);color:var(--a)}.pill.r{background:var(--rb);color:var(--r)}
.hero{text-align:center;padding:22px 16px}.hero .big{font-size:46px;font-weight:800;line-height:1.1;margin:8px 0}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}.k{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px}.k b{display:block;font-size:22px}.k small{color:var(--mut)}
.wr{display:grid;grid-template-columns:1fr auto;gap:4px 8px;align-items:center;margin-bottom:12px}.wb{height:16px;border-radius:6px;width:0;transition:width .8s cubic-bezier(.2,.8,.2,1)}.wrap{grid-column:1/3;background:var(--line);border-radius:6px}
.q{background:none;border:1.5px solid var(--mut);color:var(--mut);border-radius:50%;width:24px;height:24px;font-size:13px;padding:0;margin-left:6px}
.n{font-size:15px;border-radius:12px;padding:12px;margin-bottom:10px;background:var(--bg);border:1px solid var(--line)}.n.w{background:var(--ab);color:var(--a);border:0}
.sc{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.sc>div{background:var(--bg);border-radius:12px;padding:10px;font-size:14px}.sc b{display:block;font-size:18px}
.sheet,.modal{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:flex-end;justify-content:center;z-index:9}.modal{align-items:center;padding:18px}
.sheet .card,.modal .card{max-width:560px;width:100%;margin:0;max-height:82vh;overflow:auto}.sheet .card{border-radius:20px 20px 0 0}
.blur{filter:blur(5px);user-select:none;pointer-events:none;margin:8px 0}.price{font-size:32px;font-weight:800}
ul{margin:4px 0 10px;padding-left:20px}li{margin-bottom:4px}.err{color:var(--r);background:var(--rb);border-radius:10px;padding:10px;margin-top:10px}
input:focus-visible,button:focus-visible{outline:3px solid var(--ac);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}.sky i{height:70%}}
details.card{padding:0 16px}details.card[open]{padding-bottom:12px}details.card summary{font-weight:700;cursor:pointer;min-height:48px;display:flex;align-items:center}
.offer{border:2px solid var(--ac);margin-top:16px}.it{display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-bottom:1px solid var(--line);animation:up .45s both}@keyframes up{from{opacity:0;transform:translateY(10px)}}.tag{display:inline-block;background:var(--ab);color:var(--a);border-radius:8px;padding:2px 10px;font-size:13px;font-weight:700}
.line{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:8px 0;border-bottom:1px solid var(--line)}.line:last-child{border-bottom:0}.line>b{white-space:nowrap}

/* ===== Capa de legibilidad (UX) · espaciado en escala de 4/8 px ===== */
body{font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
main{padding:20px 20px 64px}
@media (min-width:700px){main{padding-top:40px}}
.brand{margin-bottom:20px;font-size:17px;display:flex;align-items:center;gap:4px}
h1{font-size:clamp(28px,7.5vw,36px);line-height:1.15;letter-spacing:-.02em;margin:0 0 16px}
h2{font-size:clamp(21px,5.5vw,24px);line-height:1.25;letter-spacing:-.01em;margin:0 0 12px}
h3{font-size:17px;margin:28px 0 12px}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
.mut{font-size:15px;line-height:1.55}
small{line-height:1.45}
.bar{margin:0 0 28px}
.card{padding:20px;margin-bottom:16px;border-radius:18px}
.btn{min-height:54px;padding:16px;font-size:17px;border-radius:14px;margin-top:12px}
.btn + .btn{margin-top:12px}
.opt{padding:16px 18px;margin-bottom:12px;min-height:56px;border-radius:14px;line-height:1.4}
.opt small{display:block;margin-top:6px;color:var(--mut);font-size:15px;line-height:1.45}
.opt:hover{border-color:var(--mut)}
.seg{gap:12px;margin:12px 0 20px}
.seg .opt{padding:14px 10px}
.sl{margin-bottom:24px}
.sl label{gap:12px;align-items:baseline;margin-bottom:6px;line-height:1.35}
.sl output{font-size:18px;white-space:nowrap}
input[type=range]{height:40px}
.vis{padding:20px 16px;margin:20px 0}
.vis b{margin:6px 0}
.sky{height:72px;margin:8px 0 28px}
.hero{padding:28px 20px}
.hero .big{margin:14px 0 8px}
.hero p{margin-top:16px}
.grid{gap:12px;margin-bottom:16px}
.k{padding:16px;border-radius:14px}
.k small{display:block;line-height:1.4}
.k b{margin-top:6px}
.wr{gap:6px 12px}
.line{padding:12px 0;gap:16px}
.line small{display:block;margin-top:4px}
.n{padding:16px;margin-bottom:16px;line-height:1.55}
ul{margin:8px 0 16px;padding-left:22px}
li{margin-bottom:8px}
details.card{padding:0 20px}
details.card[open]{padding-bottom:20px}
details.card summary{min-height:56px;line-height:1.35;padding:8px 0}
.sc{gap:10px}.sc>div{padding:12px;line-height:1.45}
.it{padding:12px 0;gap:12px}
.price{margin-top:16px}
.q{width:28px;height:28px;font-size:14px;vertical-align:middle}
label{line-height:1.45}
input[type=text]{width:100%;font:inherit;padding:14px;border:2px solid var(--line);border-radius:12px;background:var(--bg);color:var(--tx);min-height:52px}

/* ===== Contenido informativo de portada (buscadores) ===== */
.info{margin-top:48px;padding-top:32px;border-top:1px solid var(--line)}
.info h2{margin-top:32px}
.info h2:first-child{margin-top:0}
.info p{color:var(--tx)}
.foot{margin-top:40px;font-size:14px;color:var(--mut)}
.foot a{color:inherit}
.info h2{font-size:19px;margin:28px 0 8px}
.info h2:first-child{font-size:21px}
button[data-a="back"]{background:none;border:0;color:var(--mut);font-weight:600;text-decoration:underline;text-underline-offset:3px;min-height:48px;margin-top:8px}
.btn.s[data-a="back"]{background:none;border:0;color:var(--mut);font-weight:600;text-decoration:underline;text-underline-offset:3px;min-height:48px;margin-top:8px}