:root{--bg:#DDE5EA;--ink:#0B2545;--white:#F6F8F9;--blue:#1F6FEB;--line:#9FB1BF}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font:1.05rem/1.6 Figtree,system-ui,sans-serif;padding-left:34px;position:relative}
/* caño vertical continuo */
body::before{content:"";position:fixed;left:0;top:0;bottom:0;width:34px;z-index:6;background:linear-gradient(90deg,#aab6bf,#fdfefe 35%,#dfe6ea 60%,#8d9ba6);border-right:2px solid var(--ink)}
h1,h2,h3,.logo,.btn,.pill,.tabs button{font-family:Unbounded,system-ui,sans-serif}
h1{font-weight:900;font-size:clamp(2.1rem,5.8vw,4.6rem);line-height:1.02;max-width:15ch;letter-spacing:-.02em}
h2{font-weight:700;font-size:clamp(1.5rem,3.2vw,2.3rem);line-height:1.15;margin-bottom:.6rem}
.lead{max-width:60ch;margin-bottom:1.6rem}
a{color:inherit}:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
section{padding:4.5rem clamp(1.2rem,5vw,4.5rem)}
.top{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;padding:.9rem clamp(1.2rem,5vw,4.5rem);background:var(--bg);border-bottom:2px solid var(--ink)}
.logo{text-decoration:none;font-weight:900;display:flex;align-items:center;gap:.6rem}
.logo i{width:26px;height:26px;border-radius:50%;border:6px solid var(--ink);background:var(--bg);box-shadow:inset 0 0 0 4px var(--blue)}
nav{display:flex;gap:1.4rem;align-items:center;font-weight:600;font-size:.95rem}
nav a{text-decoration:none}.pill{background:var(--ink);color:var(--white);padding:.55rem 1.1rem;border-radius:99px;font-size:.8rem}
.btn{display:inline-block;border:0;cursor:pointer;background:var(--blue);color:#fff;padding:.9rem 1.5rem;border-radius:99px;font-weight:700;font-size:.85rem;text-decoration:none}
.btn.alt{background:transparent;color:var(--ink);border:2px solid var(--ink)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.cta{display:flex;gap:1rem;flex-wrap:wrap;margin-top:1.8rem}
/* hero */
.hero{padding-top:5rem}.hero p{margin-top:1.3rem;max-width:50ch;font-size:1.15rem}
.flow{width:100%;margin-top:2.5rem;overflow:visible}
.flow use{fill:none;stroke-linejoin:round}
.flow .o{stroke:var(--ink);stroke-width:52}
.flow .m{stroke:var(--white);stroke-width:46}
.flow .w{stroke:var(--blue);stroke-width:14;stroke-dasharray:28 22;stroke-linecap:round;animation:go 1.4s linear infinite}
@keyframes go{to{stroke-dashoffset:-50}}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;background:var(--ink);color:var(--white);padding-block:1.8rem}
.stats b{display:block;font:700 1.15rem Unbounded,sans-serif;color:#7FB0FF}
/* catálogo */
.tools{display:flex;gap:1rem;flex-wrap:wrap;justify-content:space-between;margin-bottom:1.5rem}
.tabs{display:flex;gap:.5rem;flex-wrap:wrap}
.tabs button{font-size:.75rem;font-weight:600;padding:.55rem 1rem;border-radius:99px;border:2px solid var(--ink);background:transparent;color:var(--ink);cursor:pointer}
.tabs button[aria-selected=true]{background:var(--c,var(--ink));border-color:var(--c,var(--ink));color:#fff}
input,textarea{font:inherit;padding:.7rem 1rem;border:2px solid var(--ink);border-radius:12px;background:var(--white);color:var(--ink);width:100%}
#q{width:min(100%,280px);border-radius:99px}
.layout{display:grid;grid-template-columns:1fr 300px;gap:1.5rem;align-items:start}
.list{display:grid;gap:.7rem}
.row{display:grid;grid-template-columns:14px 1fr auto;gap:1rem;align-items:center;background:var(--white);border:2px solid var(--ink);border-radius:14px;padding:.8rem 1rem}
.row .dot{align-self:stretch;border-radius:7px;background:var(--c)}
.row h3{font:600 .95rem Unbounded,sans-serif}.row small{display:block;opacity:.75}
.row .buy{text-align:right}.row .buy b{display:block}
.row button{margin-top:.3rem;border:0;background:var(--ink);color:#fff;border-radius:99px;padding:.35rem .9rem;cursor:pointer;font:inherit;font-weight:600}
.quote{position:sticky;top:5rem;background:var(--ink);color:var(--white);border-radius:16px;padding:1.3rem}
.quote ul{list-style:none;padding:0;margin:.8rem 0;display:grid;gap:.5rem;font-size:.92rem;max-height:260px;overflow:auto}
.quote li{display:flex;justify-content:space-between;gap:.5rem;align-items:center}
.quote li button{background:#fff2;border:0;color:#fff;width:24px;height:24px;border-radius:50%;cursor:pointer}
.quote .empty{opacity:.7}.total{margin-bottom:1rem;display:flex;justify-content:space-between}
.quote .btn{width:100%;font-size:.75rem}
/* colores */
.colors{background:var(--white)}
.bands{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.bands div{border-top:0}
.bands span{display:block;height:34px;border-radius:17px;background:linear-gradient(180deg,#fff6,transparent 45%,#0003),var(--c);margin-bottom:.9rem}
.bands h3{font:700 1rem Unbounded,sans-serif}
/* contacto */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:3rem}
.info{list-style:none;padding:0;display:grid;gap:.7rem}.info b{display:block;font:600 .8rem Unbounded,sans-serif}
.contact form{display:grid;gap:1rem}label{display:grid;gap:.3rem;font-weight:600}
.st{min-height:1.4rem;font-weight:600}.st.err{color:#B3261E}
footer{background:var(--ink);color:var(--white);padding:1.4rem;text-align:center}
@media(max-width:860px){
 body{padding-left:18px}body::before{width:18px}
 .layout,.contact{grid-template-columns:1fr}.stats,.bands{grid-template-columns:1fr 1fr}
 .quote{position:static}nav a:not(.pill){display:none}
}
@media(prefers-reduced-motion:reduce){.flow .w{animation:none}html{scroll-behavior:auto}}