:root{--bg:#f5f4ef;--paper:#fff;--ink:#151714;--muted:#62665f;--line:#dcded7;--accent:#315f4b;--accent2:#d9eadf;--soft:#ecebe4;--max:1160px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}
a{color:inherit}img{max-width:100%}.wrap{width:min(calc(100% - 32px),var(--max));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(245,244,239,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{height:72px;display:flex;align-items:center;gap:24px}.brand{font-weight:900;font-size:25px;letter-spacing:-1.2px;text-decoration:none}.brand i{font-style:normal;color:var(--accent)}
.navlinks{display:flex;gap:18px;margin-left:auto}.navlinks a{text-decoration:none;font-size:14px;color:var(--muted);font-weight:650}.navlinks a:hover{color:var(--ink)}
.menu{display:none;margin-left:auto;border:1px solid var(--line);background:var(--paper);padding:8px 11px;border-radius:10px}
.hero{padding:84px 0 56px}.eyebrow{font-size:12px;letter-spacing:.13em;text-transform:uppercase;font-weight:800;color:var(--accent)}
h1,h2,h3{line-height:1.12;letter-spacing:-.035em}h1{font-size:clamp(42px,7vw,82px);max-width:920px;margin:14px 0 22px}h2{font-size:clamp(28px,4vw,44px);margin:46px 0 16px}h3{font-size:22px;margin-top:30px}
.lead{font-size:clamp(18px,2.2vw,23px);max-width:760px;color:var(--muted)}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-block;text-decoration:none;border:1px solid var(--ink);padding:11px 16px;border-radius:999px;font-weight:750}.btn.primary{background:var(--ink);color:#fff}.btn.soft{border-color:var(--line);background:var(--paper)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:22px;text-decoration:none;transition:.2s transform,.2s border}.card:hover{transform:translateY(-2px);border-color:#aeb3aa}.card .kicker{font-size:12px;color:var(--accent);font-weight:800;text-transform:uppercase;letter-spacing:.08em}.card h3{margin:8px 0 10px}.card p{color:var(--muted);margin:0}
.band{margin:56px 0;background:var(--ink);color:#fff;border-radius:26px;padding:34px}.band p{color:#cfd2cc}.band .btn{border-color:#fff;color:#fff}
.article{display:grid;grid-template-columns:minmax(0,760px) 260px;gap:60px;padding:54px 0}.article h1{font-size:clamp(38px,6vw,66px)}.article p,.article li{font-size:17px}.article .intro{font-size:21px;color:var(--muted)}.article-main{min-width:0}
.toc{position:sticky;top:100px;align-self:start;border-left:1px solid var(--line);padding-left:20px;font-size:14px}.toc b{display:block;margin-bottom:8px}.toc a{display:block;color:var(--muted);text-decoration:none;padding:5px 0}
.note{background:var(--accent2);border-radius:16px;padding:18px 20px;margin:24px 0}.example{background:#1c211e;color:#f4f5f2;border-radius:16px;padding:20px;white-space:pre-wrap;overflow:auto}.copy{float:right;border:0;border-radius:8px;padding:7px 10px;cursor:pointer}
.breadcrumb{font-size:13px;color:var(--muted);padding-top:24px}.breadcrumb a{text-decoration:none}.meta{font-size:13px;color:var(--muted);margin:16px 0 30px}
.tool{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:24px;margin:30px 0}.tool label{font-weight:750;display:block;margin:14px 0 6px}.tool input,.tool select,.tool textarea{width:100%;border:1px solid #cfd3cc;border-radius:11px;padding:12px;background:#fff;font:inherit}.tool textarea{min-height:100px}.result{margin-top:18px;background:var(--soft);padding:18px;border-radius:14px;white-space:pre-wrap}
.footer{border-top:1px solid var(--line);padding:40px 0 56px;margin-top:70px}.footgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footer a{display:block;color:var(--muted);text-decoration:none;margin:6px 0}.small{font-size:13px;color:var(--muted)}
@media(max-width:850px){.grid{grid-template-columns:1fr 1fr}.article{grid-template-columns:1fr}.toc{display:none}.navlinks{display:none}.menu{display:block}.nav.open{height:auto;flex-wrap:wrap;padding:16px 0}.nav.open .navlinks{display:flex;width:100%;flex-direction:column;padding-bottom:12px}.hero{padding-top:58px}.footgrid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.grid{grid-template-columns:1fr}.wrap{width:min(calc(100% - 24px),var(--max))}.hero{padding:44px 0}.band{padding:24px}.article{padding-top:34px}.footgrid{grid-template-columns:1fr}}

/* Zynia v2 visual layer */
.hero-v2{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding:68px 0 52px}
.hero-visual{background:linear-gradient(135deg,#ece8ff,#e7f7f0);border:1px solid var(--line);border-radius:28px;overflow:hidden;box-shadow:0 18px 55px rgba(20,20,20,.08)}
.hero-visual img{display:block;width:100%;height:auto;aspect-ratio:840/373;object-fit:cover}
.hero-points{display:flex;gap:18px;flex-wrap:wrap;margin:22px 0 0;padding:0;list-style:none}.hero-points li{font-size:14px;color:var(--muted)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:18px 0 0}.stat{padding:12px 14px;background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:14px;text-align:center}.stat b{display:block;font-size:20px}.stat span{font-size:12px;color:var(--muted)}
.visual-card{position:relative;overflow:hidden;min-height:180px}.visual-card:after{content:"";position:absolute;width:100px;height:100px;border-radius:50%;background:linear-gradient(135deg,#d8cef8,#d9efe4);right:-24px;bottom:-28px;opacity:.85}
.iconbox{width:42px;height:42px;border-radius:13px;background:var(--accent2);display:grid;place-items:center;font-weight:900;color:var(--accent);margin-bottom:14px}
.tool-showcase{display:grid;grid-template-columns:1fr 1fr;gap:18px}.tool-feature{border-radius:22px;padding:26px;border:1px solid var(--line);background:var(--paper);text-decoration:none;position:relative;overflow:hidden}.tool-feature:nth-child(2n){background:#eef7f5}.tool-feature:nth-child(3n){background:#f2effb}.tool-feature p{color:var(--muted);max-width:58ch}.tool-feature .arrow{font-weight:900;color:var(--accent)}
.article-hero-image{border-radius:22px;overflow:hidden;border:1px solid var(--line);margin:24px 0 34px}.article-hero-image img{display:block;width:100%;height:auto}
@media(max-width:850px){.hero-v2{grid-template-columns:1fr;padding-top:44px}.stats{grid-template-columns:1fr 1fr}.tool-showcase{grid-template-columns:1fr}}

.article-main>p{max-width:72ch}.article-main li{margin:.5em 0}.article-main a{color:var(--accent);text-underline-offset:3px}
.article-main h2{padding-top:8px}.meta{border-bottom:1px solid var(--line);padding-bottom:18px}

/* v4: más variedad editorial, menos sensación de plantilla */
.article-main h2 + ul{background:rgba(255,255,255,.55);border:1px solid var(--line);border-radius:16px;padding:16px 20px 16px 40px}
.article-main .example{margin:18px 0 28px}

/* ===========================
   ZYNIA V5 — visual redesign
   =========================== */
:root{
  --bg:#f8f8fb;--paper:#fff;--ink:#11131a;--muted:#666a76;--line:#e6e7ed;
  --accent:#5d35e6;--accent2:#eee9ff;--soft:#f3f4f8;--max:1180px;
}
body{background:linear-gradient(180deg,#fbfbfe 0,#f7f7fb 45%,#fff 100%)}
.site-header{background:rgba(255,255,255,.91);box-shadow:0 1px 0 rgba(18,18,25,.05)}
.brand{font-size:28px;color:#1e2030}.brand i{color:var(--accent)}
.navlinks a{font-weight:700;color:#4e5260}.navlinks a:hover{color:var(--accent)}
.btn{border-radius:13px;padding:12px 18px}.btn.primary{background:linear-gradient(135deg,#5d35e6,#724af0);border-color:transparent;box-shadow:0 8px 24px rgba(93,53,230,.22)}
.hero-v3{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center;padding:62px 0 34px}
.hero-v3 h1{font-size:clamp(48px,7vw,82px);margin-bottom:18px}
.hero-v3 .accent{color:var(--accent)}
.hero-art{border-radius:28px;background:radial-gradient(circle at 50% 40%,#efe9ff,#f9f7ff 70%);border:1px solid #e7e1fb;box-shadow:0 28px 80px rgba(88,61,170,.14);overflow:hidden}
.hero-art img{display:block;width:100%;aspect-ratio:550/360;object-fit:cover}
.pills{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}.pill{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 11px;font-size:13px;font-weight:700;color:#515564}
.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin:56px 0 20px}.section-head h2{margin:0}.section-head a{color:var(--accent);font-weight:800;text-decoration:none;font-size:14px}
.visual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.visual-tile{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;text-decoration:none;box-shadow:0 10px 25px rgba(18,20,30,.04);transition:.2s}.visual-tile:hover{transform:translateY(-3px);box-shadow:0 16px 35px rgba(18,20,30,.08)}
.visual-tile img{width:100%;height:120px;object-fit:cover;display:block}.visual-tile .pad{padding:18px}.visual-tile h3{margin:0 0 8px;font-size:20px}.visual-tile p{margin:0;color:var(--muted);font-size:14px}
.feature-split{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.feature-panel{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden}.feature-panel img{display:block;width:100%;height:250px;object-fit:cover}.feature-panel .pad{padding:22px}
.tool-grid-modern{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.tool-card-modern{background:linear-gradient(135deg,#fff,#f6f3ff);border:1px solid #e4def9;border-radius:18px;padding:20px;text-decoration:none}.tool-card-modern:nth-child(2){background:linear-gradient(135deg,#fff,#eefaf6)}.tool-card-modern:nth-child(3){background:linear-gradient(135deg,#fff,#fff1f6)}.tool-card-modern:nth-child(4){background:linear-gradient(135deg,#fff,#eef6ff)}.tool-card-modern h3{margin:0 0 7px}.tool-card-modern p{margin:0;color:var(--muted)}
.article{grid-template-columns:minmax(0,780px) 250px}.article-main{background:#fff;border:1px solid var(--line);border-radius:24px;padding:clamp(22px,4vw,42px);box-shadow:0 16px 50px rgba(20,20,35,.04)}
.article .intro{font-size:20px}.article-main h1{font-size:clamp(38px,5.7vw,62px)}
.article-main .note{background:linear-gradient(135deg,#f2efff,#edf8f4);border:1px solid #e1dcf5}
.article-main h2{margin-top:42px}
.article-banner{margin:-10px 0 30px;border-radius:18px;overflow:hidden;border:1px solid var(--line);background:#f4f1ff}.article-banner img{display:block;width:100%;height:210px;object-fit:cover}
.category-hero{display:grid;grid-template-columns:1fr .72fr;gap:28px;align-items:center;padding:54px 0 28px}.category-hero img{width:100%;height:220px;object-fit:cover;border-radius:22px;border:1px solid var(--line)}
.card{box-shadow:0 8px 22px rgba(20,20,30,.03)}
.tool{box-shadow:0 12px 40px rgba(20,20,35,.05)}
.stats .stat{box-shadow:0 8px 20px rgba(20,20,35,.04)}
.footer{background:#fff}
@media(max-width:850px){
  .hero-v3,.feature-split,.category-hero{grid-template-columns:1fr}
  .visual-grid{grid-template-columns:1fr 1fr}
  .tool-grid-modern{grid-template-columns:1fr}
}
@media(max-width:560px){.visual-grid{grid-template-columns:1fr}}

/* V5 final visual: bloque editorial que sustituye Filosofía Zynia */
.zynia-principles{margin-top:64px;margin-bottom:64px}
.principles-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.principle{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 10px 28px rgba(20,20,35,.04)}
.principle span{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#eee9ff;color:var(--accent);font-weight:900;margin-bottom:18px}
.principle h3{font-size:18px;margin:0 0 8px}.principle p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}
@media(max-width:850px){.principles-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.principles-grid{grid-template-columns:1fr}}