:root{
  --ink:#2B1850; --violet:#452B78; --lila:#E6DCF0; --lila-2:#F3EEF8;
  --cream:#F7F2EB; --paper:#FFFDF9; --gold:#B8913F; --muted:#6B5E80;
  --line:rgba(43,24,80,.12); --wa:#1F9D55;
  --r:18px; --max:1080px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Poppins',system-ui,sans-serif;color:var(--ink);background:var(--paper);line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.script{font-family:'Great Vibes',cursive;font-weight:400}

/* barra superior */
.topbar{background:var(--ink);color:#fff;font-size:12.5px;text-align:center;padding:8px 16px;letter-spacing:.02em}
.topbar b{color:var(--lila)}

/* header */
.header{position:sticky;top:0;z-index:20;background:rgba(255,253,249,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px}
.logo{text-decoration:none;display:flex;align-items:baseline;gap:8px}
.logo .script{font-size:32px;line-height:1;color:var(--ink)}
.logo small{font-size:11px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}

/* botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;text-decoration:none;font-weight:600;border-radius:999px;transition:transform .15s ease, box-shadow .15s ease, background .15s}
.btn svg{width:20px;height:20px;flex:none}
.btn-wa{background:var(--wa);color:#fff;padding:16px 28px;font-size:16px;box-shadow:0 8px 24px rgba(31,157,85,.28)}
.btn-wa:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(31,157,85,.34)}
.btn-sm{padding:9px 16px;font-size:13.5px;box-shadow:none}
.btn-ghost{border:1.5px solid var(--ink);padding:14px 24px;color:var(--ink)}

/* hero */
.hero{background:linear-gradient(180deg,var(--cream),var(--paper));padding:48px 0 56px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;background:var(--lila);color:var(--violet);font-size:12.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:6px 12px;border-radius:999px;margin-bottom:18px}
h1{font-size:clamp(32px,5vw,52px);line-height:1.08;font-weight:700;letter-spacing:-.02em;margin-bottom:18px}
h1 em{font-style:normal;color:var(--violet);background:linear-gradient(transparent 62%,var(--lila) 62%)}
.lead{font-size:18px;color:var(--muted);max-width:34em;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px 18px}
.hero-note{font-size:13.5px;color:var(--muted)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:36px;max-width:520px}
.stat{border-left:2px solid var(--gold);padding-left:12px}
.stat b{display:block;font-size:24px;line-height:1.1}
.stat span{font-size:12.5px;color:var(--muted)}
.hero-img{position:relative}
.hero-img img{border-radius:var(--r);aspect-ratio:4/5;object-fit:cover;object-position:50% 40%;width:100%;height:auto;max-height:620px;box-shadow:0 30px 60px -20px rgba(43,24,80,.35)}
.hero-badge{position:absolute;left:-18px;bottom:28px;background:var(--ink);color:#fff;border-radius:14px;padding:14px 18px;font-size:13px;line-height:1.35;box-shadow:0 12px 30px rgba(43,24,80,.3)}
.hero-badge b{display:block;font-size:22px;color:var(--lila)}

/* secciones */
section{padding:72px 0}
.sec-head{max-width:640px;margin-bottom:36px}
.kicker{font-size:12.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:10px}
h2{font-size:clamp(26px,3.6vw,38px);line-height:1.15;letter-spacing:-.015em;font-weight:700}
.sec-head p{color:var(--muted);margin-top:12px;font-size:16.5px}
.alt{background:var(--lila-2)}
.dark{background:var(--ink);color:#fff}
.dark .sec-head p,.dark .muted{color:rgba(255,255,255,.72)}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px}
.card .ico{width:44px;height:44px;border-radius:12px;background:var(--lila);display:grid;place-items:center;margin-bottom:16px;font-size:20px}
.card h3{font-size:18px;margin-bottom:8px;line-height:1.3}
.card p{color:var(--muted);font-size:15px}

/* pasos */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:s}
.step{position:relative;padding:24px 20px;border-radius:var(--r);background:#fff;border:1px solid var(--line)}
.step::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;font-weight:700;font-size:15px;margin-bottom:14px}
.step h3{font-size:16px;margin-bottom:6px}
.step p{font-size:14.5px;color:var(--muted)}
.center{text-align:center;margin-top:36px}

/* galería */
.gallery{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.tile{border-radius:14px;overflow:hidden;background:#fff;border:1px solid var(--line)}
.tile img{aspect-ratio:1/1;object-fit:cover;width:100%;transition:transform .5s ease}
.tile:hover img{transform:scale(1.04)}
.tile span{display:block;padding:10px 12px;font-size:14px;font-weight:600}
.materials{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.pill{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 14px;font-size:13.5px}

/* calculadora */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:22px;padding:32px}
.calc label{font-size:14px;color:rgba(255,255,255,.75)}
.calc .inv{font-size:40px;font-weight:700;margin:4px 0 14px}
.calc input[type=range]{width:100%;accent-color:var(--lila);height:28px}
.calc .range-lbl{display:flex;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.55)}
.calc-out{display:grid;gap:12px}
.calc-row{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px dashed rgba(255,255,255,.18);padding-bottom:10px;gap:12px}
.calc-row span{font-size:14.5px;color:rgba(255,255,255,.75)}
.calc-row b{font-size:22px}
.calc-row.win b{color:#9BE3B6;font-size:28px}
.calc small{display:block;font-size:12px;color:rgba(255,255,255,.5);margin-top:6px}

/* condiciones */
.ficha{display:grid;grid-template-columns:repeat(2,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden}
.ficha div{padding:24px 26px;border-bottom:1px solid var(--line)}
.ficha div:nth-child(odd){border-right:1px solid var(--line)}
.ficha div:nth-last-child(-n+2){border-bottom:0}
.ficha h3{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);margin-bottom:6px}
.ficha p{font-size:15.5px}
.ficha p b{font-size:20px}

/* faq */
.faq{max-width:760px}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:16.5px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-size:22px;line-height:1;color:var(--violet);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);margin-top:10px;font-size:15.5px}

/* cierre */
.cierre{text-align:center}
.cierre h2{max-width:18em;margin:0 auto 10px}
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:26px 0 30px}
.chip{font:inherit;font-size:15px;cursor:pointer;border:1.5px solid rgba(255,255,255,.35);background:transparent;color:#fff;border-radius:999px;padding:11px 18px;transition:all .15s}
.chip:hover{border-color:#fff}
.chip[aria-pressed="true"]{background:var(--lila);border-color:var(--lila);color:var(--ink);font-weight:600}

/* footer */
footer{padding:36px 0 110px;font-size:14px;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;align-items:center}
footer a{color:var(--violet)}

/* barra fija */
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:30;background:rgba(255,253,249,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:10px 16px;transform:translateY(110%);transition:transform .3s ease}
.sticky.on{transform:none}
.sticky .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0}
.sticky p{font-size:14px;line-height:1.3}
.sticky p b{display:block}
.sticky .btn-wa{padding:12px 20px;font-size:15px;white-space:nowrap}

/* reveal */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease}
.js .reveal.in{opacity:1;transform:none}

/* índice interno */
.index-list{display:grid;gap:12px;max-width:640px}
.index-list a{display:flex;justify-content:space-between;align-items:center;gap:16px;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px}
.index-list a:hover{border-color:var(--violet)}
.index-list code{font-size:13px;color:var(--muted)}

@media (max-width:900px){
  .hero .wrap{grid-template-columns:1fr;gap:32px}
  .hero-img{max-width:460px}
  .cards{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:repeat(3,1fr)}
  .calc{grid-template-columns:1fr}
}
@media (max-width:560px){
  .wrap{padding:0 16px}
  section{padding:56px 0}
  .header .btn-sm span{display:none}
  .header .btn-sm{padding:10px}
  .lead{font-size:16.5px}
  .btn-wa{width:100%}
  .hero-cta{flex-direction:column;align-items:stretch;text-align:center}
  .stats{gap:8px}
  .stat b{font-size:20px}
  .hero-badge{left:12px;bottom:12px}
  .steps{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .ficha{grid-template-columns:1fr}
  .ficha div:nth-child(odd){border-right:0}
  .ficha div:nth-last-child(2){border-bottom:1px solid var(--line)}
  .calc{padding:22px}
  .sticky p{font-size:12.5px}
  .sticky .btn-wa{width:auto;padding:11px 16px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}.js .reveal{opacity:1;transform:none}}

/* v2: botón tienda + productos en vivo */
.btn-store{background:var(--ink);color:#fff;padding:16px 28px;font-size:16px;box-shadow:0 8px 24px rgba(43,24,80,.28)}
.btn-store:hover{transform:translateY(-2px);background:var(--violet)}
.btn-store svg{width:20px;height:20px}
.btn-line{border:1.5px solid var(--wa);color:var(--wa);padding:14px 22px;font-size:15px;background:#fff}
.btn-line:hover{background:#f1fbf5}
.dark .btn-store{background:var(--lila);color:var(--ink)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.prod-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:20px}
.prod-head .sec-head{margin-bottom:0}
.live{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.live::before{content:'';width:8px;height:8px;border-radius:50%;background:#1F9D55;box-shadow:0 0 0 4px rgba(31,157,85,.15)}
.fchips{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;margin-bottom:18px;scrollbar-width:none}
.fchips::-webkit-scrollbar{display:none}
.fchip{font:inherit;font-size:14px;white-space:nowrap;cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:999px;padding:8px 14px}
.fchip[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.prods{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;min-height:200px}
.prod{position:relative;display:flex;flex-direction:column;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:transform .15s, box-shadow .15s}
.prod:hover{transform:translateY(-3px);box-shadow:0 14px 30px -14px rgba(43,24,80,.3)}
.prod img{aspect-ratio:1/1;object-fit:cover;width:100%;height:auto;background:var(--cream)}
.prod .rank{position:absolute;top:10px;left:10px;background:var(--ink);color:#fff;font-size:12px;font-weight:700;border-radius:999px;padding:3px 9px}
.prod .sold{position:absolute;top:10px;right:10px;background:#fff;color:var(--muted);font-size:11.5px;font-weight:600;border-radius:999px;padding:3px 9px}
.prod.agotado img{opacity:.55}
.pname{padding:12px 12px 4px;font-size:14px;font-weight:600;line-height:1.3}
.pweb{padding:0 12px;font-size:12.5px;color:var(--muted)}
.pweb s{opacity:.7}
.pmay{padding:4px 12px 14px;font-size:13px;color:var(--violet)}
.pmay b{font-size:17px;color:var(--ink)}
.prod-more{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:24px}
.alert{background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:12px;padding:14px 16px;font-size:14.5px;margin-top:20px}
.sticky .btns{display:flex;gap:8px}
.sticky .btn-store{padding:12px 18px;font-size:15px;white-space:nowrap;box-shadow:none}
.sticky .btn-wa{padding:12px 14px}
@media (max-width:900px){.prods{grid-template-columns:repeat(3,1fr)}}
@media (max-width:560px){
  .prods{grid-template-columns:1fr 1fr;gap:10px}
  .btn-store,.btn-line{width:100%}
  .cta-row{flex-direction:column}
  .sticky p{display:none}
  .sticky .btns{width:100%}
  .sticky .btn-store{flex:1;width:auto;font-size:14px;padding:12px}
  .sticky .btn-wa{width:auto}
}

/* v3: logo imagen */
.logo{align-items:center;gap:10px}
.logo img{height:40px;width:auto}
.logo small{border-left:1px solid var(--line);padding-left:10px;line-height:1}
footer img{height:44px;width:auto;display:block}
@media (max-width:560px){.logo img{height:32px}.logo small{font-size:10px;letter-spacing:.14em}}
.logo img{height:48px}
.header .btn{width:auto;flex:none}
@media (max-width:560px){.logo img{height:34px}.hero-cta .btn{font-size:15px;padding:15px 18px}.stat span{font-size:11.5px}}

/* v4: hero con anillos */
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;border-radius:var(--r);overflow:hidden;box-shadow:0 30px 60px -20px rgba(43,24,80,.35)}
.hero-grid img{width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;background:var(--cream)}

/* mini calculadora del paso 3 */
.mini-calc{margin-top:14px;background:var(--lila-2);border-radius:12px;padding:12px}
.mini-calc label{display:block;font-size:12.5px;font-weight:600;color:var(--violet);margin-bottom:6px}
.mc-row{display:flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:0 10px}
.mc-row span{color:var(--muted);font-weight:600}
.mc-row input{border:0;outline:0;font:inherit;font-size:16px;width:100%;padding:9px 0;background:transparent;color:var(--ink)}
.mc-row:focus-within{border-color:var(--violet)}
.mc-out{margin-top:8px;font-size:13.5px;color:var(--ink)}
.mc-out b{font-size:16px}
.mc-out.warn{color:#9a5b00}