/* Lotvia · páginas de soluciones (SEO) */
:root{--ink:#1F0A2A;--ink2:#45384C;--mut:#6B5E72;--line:#ECE3EE;--bg:#FBF8FB;--soft:#F6F1F6;--rose:#D23358;--coral:#FC445E;--orange:#FD8C57;--ok:#1E9E6A;--grad:linear-gradient(90deg,#FD8C57,#FC445E 55%,#D23358)}
*{box-sizing:border-box}
body{margin:0;font-family:'Google Sans Flex','Google Sans',system-ui,-apple-system,'Segoe UI',sans-serif;font-size:16px;line-height:1.6;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--rose)}
img{max-width:100%}
.sx{max-width:1180px;margin:0 auto;padding:0 clamp(18px,4vw,40px)}

/* Encabezado */
.sh{position:sticky;top:0;z-index:40;background:rgba(251,248,251,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.sh .sx{display:flex;align-items:center;gap:14px;min-height:68px}
.sh .logo img{height:28px;display:block}
.sh nav{display:flex;gap:4px;align-items:center}
.sh nav.mid{margin:0 auto}
.sh nav.end{gap:8px}
.sh nav a.out{border:1px solid var(--line);background:#fff;color:var(--ink);font-weight:600;padding:9px 16px}
.sh nav a{padding:8px 12px;border-radius:999px;text-decoration:none;color:#444746;font-size:14.5px;white-space:nowrap}
.sh nav a.on{color:var(--rose);background:#F3EAF7;font-weight:600}
.sh nav a.cta{background:var(--ink);color:#fff;font-weight:600;padding:10px 18px}
.sh details{display:none;margin-left:auto}
.sh summary{list-style:none;width:44px;height:44px;border-radius:14px;background:var(--ink);display:grid;place-items:center;cursor:pointer}
.sh summary::-webkit-details-marker{display:none}
.sh .mm{position:fixed;left:12px;right:12px;top:76px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:10px;box-shadow:0 30px 60px -20px rgba(31,10,42,.35);display:flex;flex-direction:column}
.sh .mm a{padding:14px 16px;border-radius:14px;text-decoration:none;color:var(--ink);font-size:17px;font-weight:500}
.sh .mm a.cta{background:var(--rose);color:#fff;text-align:center;margin-top:6px;border-radius:999px}

/* Hero (pantalla completa, centrado) */
.hero{position:relative;min-height:min(92vh,880px);display:flex;flex-direction:column;background:#12061A center/cover no-repeat;color:#fff;overflow:hidden;isolation:isolate}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.hero:before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse 50% 56% at 50% 46%,rgba(18,6,26,.86),rgba(18,6,26,.6) 58%,rgba(18,6,26,.15) 100%),linear-gradient(180deg,rgba(18,6,26,.35),rgba(18,6,26,0) 30%,rgba(18,6,26,0) 62%,rgba(18,6,26,.92))}
.hero:after{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse 80% 70% at 50% 45%,#000,transparent 80%);-webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 45%,#000,transparent 80%)}
.hero .hc{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:clamp(70px,9vw,110px) clamp(18px,4vw,40px) 40px;max-width:1080px;margin:0 auto}
.crumbs{font-size:13px;color:#A996B3;display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin:0 0 22px;padding:0;list-style:none}
.crumbs a{color:#CDBAD6;text-decoration:none}
.crumbs a:hover{color:#fff}
.crumbs li+li:before{content:"/";margin-right:8px;color:#6E5A78}
.chip-h{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:#E3D2EA;border:1px solid rgba(255,255,255,.18);background:rgba(18,6,26,.55);backdrop-filter:blur(6px);padding:8px 16px;border-radius:999px;font-family:'Roboto Mono',monospace}
.chip-h:before{content:"";width:7px;height:7px;border-radius:50%;background:#2BD47D;box-shadow:0 0 10px #2BD47D}
.hero h1{text-shadow:0 4px 30px rgba(18,6,26,.55);font-size:clamp(36px,5.4vw,72px);line-height:.98;letter-spacing:-.045em;margin:26px 0 22px;font-weight:800;text-wrap:balance}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#FD8C57,#FC445E 50%,#D23358);-webkit-background-clip:text;background-clip:text;color:transparent;padding-bottom:.06em}
.hero .lead{text-shadow:0 2px 14px rgba(18,6,26,.8);font-size:clamp(16.5px,1.7vw,20px);line-height:1.5;color:#D9C8E2;max-width:720px;margin:0 auto;text-wrap:pretty}
.btns{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px;justify-content:center}
.b{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 26px;border-radius:999px;font-weight:600;font-size:15.5px;text-decoration:none;border:1px solid transparent;white-space:nowrap;transition:transform .15s,box-shadow .15s}
.b:hover{transform:translateY(-1px)}
.b-brand{background:var(--grad);color:#fff;box-shadow:0 14px 28px -14px rgba(252,68,94,.8)}
.b-brand:after{content:"→";font-weight:700}
.b-ghost{border-color:rgba(255,255,255,.28);color:#fff;background:rgba(18,6,26,.5);backdrop-filter:blur(6px)}
.b-ghost:hover{border-color:rgba(255,255,255,.55)}
.b-wa{background:#1E9E6A;color:#fff}
.hero .kws{justify-content:center;margin-top:30px;max-width:760px}
.hero .kws span{background:rgba(18,6,26,.6);border-color:rgba(255,255,255,.16);color:#E3D2EA;backdrop-filter:blur(6px)}
.hero .kws span:first-child{border-color:rgba(252,68,94,.6);background:rgba(252,68,94,.16);color:#fff}
.tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;width:100%;max-width:1180px;margin:0 auto;padding:0 clamp(18px,4vw,40px) 26px}
.tabs a{display:flex;gap:8px;align-items:baseline;padding:0 0 12px;border-bottom:2px solid rgba(255,255,255,.14);color:#CDBAD6;text-decoration:none;font-size:14px;line-height:1.3;transition:color .15s,border-color .15s}
.tabs a i{font-style:normal;font-family:'Roboto Mono',monospace;font-size:11.5px;color:#8E7A98}
.tabs a:first-child{color:#fff;border-image:linear-gradient(90deg,#FD8C57,#FC445E,#D23358) 1}
.tabs a:hover{color:#fff;border-color:rgba(255,255,255,.4)}
.kws{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0 0}
.kws span{font-size:13px;color:var(--ink2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 12px}

/* Cuerpo */
.body{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;margin-top:40px;align-items:start}
.art{background:#fff;border:1px solid var(--line);border-radius:26px;padding:clamp(22px,3.4vw,44px)}
.art .intro{font-size:17.5px;color:var(--ink2);margin:0 0 6px}
.art section{padding-top:34px;scroll-margin-top:90px}
.art .n{font-family:'Roboto Mono',monospace;font-size:13px;color:#B5A9BA;font-weight:600}
.art h2{font-size:clamp(23px,2.6vw,30px);line-height:1.18;letter-spacing:-.02em;margin:4px 0 10px}
.art p{margin:0 0 14px;color:var(--ink2)}
.art ul{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:8px}
.art li{display:flex;gap:10px;align-items:center;background:var(--soft);border-radius:14px;padding:10px 14px;font-size:15px;font-weight:500}
.art li:before{content:"✓";flex:none;width:22px;height:22px;border-radius:50%;background:var(--grad);color:#fff;font-size:12px;font-weight:800;display:grid;place-items:center}
.aside{position:sticky;top:88px;display:flex;flex-direction:column;gap:14px}
.toc{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px 18px 10px}
.toc b{display:block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--rose);margin-bottom:8px}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:t}
.toc li{counter-increment:t;border-top:1px solid var(--line)}
.toc li:first-child{border-top:0}
.toc a{display:flex;gap:10px;padding:9px 0;color:var(--ink2);text-decoration:none;font-size:14px;line-height:1.35}
.toc a:before{content:counter(t,decimal-leading-zero);font-family:'Roboto Mono',monospace;font-size:12px;color:#B5A9BA;padding-top:1px}
.toc a:hover{color:var(--rose)}
.demo{background:linear-gradient(150deg,#1F0A2A,#3E1240);color:#fff;border-radius:22px;padding:22px}
.demo h3{margin:0 0 6px;font-size:18px;line-height:1.25}
.demo p{margin:0 0 16px;font-size:14px;color:#CDBAD6}
.demo .b{width:100%;height:46px;font-size:15px;margin-top:8px}

.blk{margin-top:64px}
.eyb{font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--rose)}
.blk h2{font-size:clamp(26px,3.2vw,38px);letter-spacing:-.025em;line-height:1.12;margin:6px 0 20px}
.mods{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.mod{display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;text-decoration:none;color:var(--ink);transition:transform .15s,box-shadow .15s}
.mod:hover{transform:translateY(-2px);box-shadow:0 18px 30px -22px rgba(31,10,42,.5)}
.mod i{width:34px;height:34px;border-radius:11px;background:var(--grad);display:grid;place-items:center;color:#fff;font-style:normal;font-weight:800}
.mod b{font-size:16px;margin-top:6px}
.mod small{color:var(--mut);font-size:13.5px;line-height:1.4}
.mod span{margin-top:auto;padding-top:8px;color:var(--rose);font-size:13.5px;font-weight:600}

.faq{max-width:820px;margin:64px auto 0}
.faq h2{text-align:center}
.faq .eyb{display:block;text-align:center}
.faq details{background:#fff;border:1px solid var(--line);border-radius:18px;margin-bottom:10px;overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:18px 54px 18px 22px;font-weight:600;font-size:16.5px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:50%;background:#F3EAF7;color:var(--rose);display:grid;place-items:center;font-weight:700;transition:transform .2s}
.faq details[open] summary:after{content:"−"}
.faq details p{margin:0;padding:0 22px 20px;color:var(--ink2)}

.more{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.more a{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 16px;text-decoration:none;color:var(--ink);font-weight:600;font-size:14.5px;line-height:1.3}
.more a:after{content:"→";flex:none;width:26px;height:26px;border-radius:50%;background:var(--soft);display:grid;place-items:center;color:var(--rose)}
.more a:hover{border-color:#E1C6DB}

.band{margin:72px clamp(8px,1.4vw,18px) 0;border-radius:28px;background:var(--grad);color:#fff;overflow:hidden}
.band .sx{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:34px;padding-bottom:34px}
.band h2{margin:0;font-size:clamp(24px,3vw,34px);letter-spacing:-.02em;line-height:1.1}
.band p{margin:6px 0 0;color:#FFE3EA}
.band .b-w{background:#fff;color:var(--rose)}
.b-line{border-color:var(--line);color:var(--ink);background:#fff}
.band .b-o{border-color:rgba(255,255,255,.6);color:#fff}
.band + .lvft{margin-top:-28px;padding-top:28px}

/* Hub */
.hub-c{margin-top:46px}
.hub-c h2{font-size:clamp(24px,2.8vw,32px);letter-spacing:-.02em;margin:4px 0 4px}
.hub-c > p{color:var(--mut);margin:0 0 18px}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.card{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;text-decoration:none;color:var(--ink);transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-2px);box-shadow:0 18px 30px -22px rgba(31,10,42,.5)}
.card .t{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--rose)}
.card b{font-size:18px;line-height:1.25}
.card small{color:var(--mut);font-size:14px;line-height:1.5}
.card.pilar{background:linear-gradient(150deg,#1F0A2A,#3E1240);color:#fff;border:0}
.card.pilar small{color:#CDBAD6}
.card.pilar .t{color:#FFB088}

@media(max-width:1100px){.sh nav.mid{display:none}.sh nav.end{margin-left:auto}}
@media(max-width:980px){
  .tabs{grid-template-columns:repeat(2,minmax(0,1fr))}
  .body{grid-template-columns:1fr}.aside{position:static}.toc{display:none}
  .mods,.more{grid-template-columns:repeat(2,minmax(0,1fr))}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:760px){
  .sh nav{display:none}.sh details{display:block}
  .hero{min-height:auto}.hero:before{background:linear-gradient(180deg,rgba(18,6,26,.55),rgba(18,6,26,.78) 40%,rgba(18,6,26,.92))}.tabs{display:none}.hero .hc{padding-bottom:56px}
  .b{flex:1}.cards{grid-template-columns:1fr}
}
@media(max-width:480px){.mods,.more{grid-template-columns:1fr}}