:root{--navy:#14215c;--red:#c8202e;--ink:#11162e;--muted:#646b80;--line:#d7dbe5;--wash:#f4f5f8;--white:#fff;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;--mono:"SFMono-Regular",Consolas,monospace}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.58;background:var(--white)}a{color:inherit}.seo-top{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;padding:12px 5vw;border-bottom:1px solid var(--line)}.seo-top img{width:148px;height:auto}.seo-top nav{display:flex;gap:20px;flex-wrap:wrap}.seo-top a{text-decoration:none;color:var(--navy);font-weight:750}.seo-top a:hover{text-decoration:underline;text-decoration-color:var(--red);text-underline-offset:6px}.seo-main{width:min(1140px,90vw);margin:0 auto;padding:46px 0 80px}.crumb{color:var(--muted);font-family:var(--mono);font-size:.76rem;text-transform:uppercase}.crumb a{color:var(--navy)}.seo-hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:42px;align-items:center;padding:35px 0 50px;border-bottom:1px solid var(--navy)}.eyebrow{margin:0 0 12px;color:var(--red);font-family:var(--mono);font-size:.78rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.seo-hero h1{margin:0;color:var(--navy);font-size:clamp(2.8rem,6vw,5.8rem);line-height:.92;letter-spacing:-.07em}.seo-hero .lead{margin:22px 0 0;color:var(--muted);font-size:1.18rem}.seo-hero figure{margin:0}.seo-hero figure img{display:block;width:100%;height:auto;border:1px solid var(--line)}.seo-hero figcaption{margin-top:8px;color:var(--muted);font-size:.78rem}.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.cta{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 18px;border:1px solid var(--navy);background:var(--navy);color:white;text-decoration:none;font-weight:800}.cta.red{border-color:var(--red);background:var(--red)}.cta.ghost{background:white;color:var(--navy)}.intro-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:40px;margin:52px 0}.intro-grid h2,.content-section h2{margin:0;color:var(--navy);font-size:clamp(1.8rem,3vw,2.7rem);line-height:1.02;letter-spacing:-.045em}.intro-grid p{margin:0;color:var(--muted)}.pv-table{width:100%;border-collapse:collapse;margin-top:20px}.pv-table th,.pv-table td{padding:15px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.pv-table th{background:var(--navy);color:white;font-family:var(--mono);font-size:.75rem;text-transform:uppercase}.pv-table td:first-child{color:var(--navy);font-weight:850}.pv-table td:nth-child(2){color:var(--red)}.pv-table small{display:block;margin-top:4px;color:var(--muted)}.content-section{margin-top:58px}.context-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}.context-card{border:1px solid var(--line);padding:22px}.context-card span{color:var(--red);font-family:var(--mono);font-size:.72rem;font-weight:900}.context-card h3{margin:18px 0 8px;color:var(--navy)}.context-card p{margin:0;color:var(--muted)}.faq{margin-top:58px;padding:28px;background:var(--wash)}.faq h2{margin-top:0;color:var(--navy)}.faq details{padding:15px 0;border-top:1px solid var(--line)}.faq summary{cursor:pointer;color:var(--navy);font-weight:800}.faq p{color:var(--muted)}.seo-footer{padding:30px 5vw;border-top:1px solid var(--line);color:var(--muted);font-size:.82rem;display:flex;justify-content:space-between;gap:18px}.keyword-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}.keyword-list span{border:1px solid var(--line);padding:8px 10px;color:var(--navy);font-family:var(--mono);font-size:.75rem}.number-list{columns:4;column-gap:28px;margin-top:24px;padding-left:22px}.number-list li{break-inside:avoid;padding:5px 0;color:var(--navy)}@media(max-width:820px){.seo-top{align-items:flex-start;flex-direction:column}.seo-hero,.intro-grid{grid-template-columns:1fr}.seo-hero figure{order:-1}.context-groups{grid-template-columns:1fr}.number-list{columns:2}.seo-footer{flex-direction:column}}@media(max-width:520px){.number-list{columns:1}.pv-table thead{display:none}.pv-table tr{display:block;padding:14px 0;border-bottom:1px solid var(--line)}.pv-table td{display:block;border:0;padding:3px 0}.seo-hero h1{font-size:3rem}}

/* Ecosistema ampliado */
.topic-summary{display:grid;grid-template-columns:repeat(3,1fr);margin:32px 0 68px;border:1px solid var(--line);border-left:5px solid var(--red)}.topic-summary div{display:flex;flex-direction:column;padding:22px 26px;border-right:1px solid var(--line)}.topic-summary div:last-child{border-right:0}.topic-summary strong{color:var(--navy);font-size:2.25rem;line-height:1}.topic-summary span{margin-top:8px;color:var(--muted);font-size:.82rem}.topic-section{margin:0 0 52px}.topic-heading{display:grid;grid-template-columns:55px 1fr auto;gap:16px;align-items:end;padding:0 0 14px;border-bottom:2px solid var(--navy)}.topic-heading>span{color:var(--red);font-family:var(--mono);font-weight:900}.topic-heading h2{margin:0;color:var(--navy);font-size:clamp(1.6rem,3vw,2.4rem);line-height:1}.topic-heading em{color:var(--muted);font-size:.78rem;font-style:normal}.ecosystem-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 22px}.ecosystem-term{position:relative;display:grid;grid-template-columns:minmax(165px,.7fr) minmax(0,1.3fr);gap:8px 18px;align-items:start;padding:20px 0;border-bottom:1px solid var(--line)}.ecosystem-term>div{display:flex;flex-direction:column}.ecosystem-term strong{color:var(--navy);font-size:1.08rem}.ecosystem-term>div span{color:var(--red);font-size:.9rem}.term-examples{display:grid!important;gap:7px}.term-examples p{margin:0;color:var(--ink);font-size:.9rem;line-height:1.42}.term-examples p span{display:block;margin:0 0 2px;color:var(--red);font-family:var(--mono);font-size:.58rem!important;font-weight:900;text-transform:uppercase;letter-spacing:.05em}.ecosystem-term small{grid-column:1/-1;color:var(--muted);font-size:.72rem}.topic-page .ecosystem-term small{display:none}.cross-badge{grid-column:1/-1;justify-self:start;padding:5px 9px;border:1px solid #aab1c6;background:white;color:var(--navy);font-family:var(--mono);font-size:.67rem;font-weight:800;cursor:pointer}.cross-badge:hover{border-color:var(--red);color:var(--red)}.topic-quiz{display:grid;grid-template-columns:.72fr 1.28fr;gap:42px;margin-top:80px;padding:42px;background:var(--navy);color:white}.topic-quiz h2{margin:.2rem 0;color:white;font-size:2.4rem;line-height:1}.topic-quiz>div>p:last-child{color:#c9cee2}.topic-quiz-card{min-height:330px;padding:28px;background:white;color:var(--ink)}.quiz-counter{color:var(--red);font-family:var(--mono);font-size:.72rem;font-weight:900;text-transform:uppercase}.topic-quiz-card h3{margin:18px 0 24px;color:var(--navy);font-size:1.5rem;line-height:1.25}.topic-quiz-options{display:grid;grid-template-columns:1fr 1fr;gap:9px}.topic-quiz-options button,.topic-quiz-form button,.quiz-restart{min-height:46px;border:1px solid var(--navy);background:white;color:var(--navy);font-weight:800;cursor:pointer}.topic-quiz-options button:hover:not(:disabled){background:var(--wash)}.topic-quiz-options button.is-correct{border-color:#177245;background:#e7f4ec;color:#105733}.topic-quiz-options button.is-wrong{border-color:var(--red);background:#fff0f1;color:var(--red)}.topic-quiz-form label{display:block;margin-bottom:7px;color:var(--muted);font-size:.8rem}.topic-quiz-form>div{display:grid;grid-template-columns:1fr auto}.topic-quiz-form input{min-width:0;padding:12px;border:1px solid var(--navy);font:inherit}.topic-quiz-form button,.quiz-restart{padding:0 18px;background:var(--navy);color:white}.topic-quiz-feedback{margin-top:20px;color:var(--muted);font-size:.9rem}.topic-quiz-feedback strong{color:var(--navy)}.topic-quiz-feedback em{display:block;margin-top:4px}.topic-quiz-feedback button{display:block;margin-top:14px;padding:0;border:0;background:none;color:var(--red);font-weight:900;cursor:pointer}.topic-score{display:flex;align-items:baseline;gap:12px;margin-top:30px}.topic-score strong{color:var(--navy);font-size:4rem;line-height:1}.topic-score span{color:var(--red);font-size:1.3rem;font-weight:900}.related-dialog{width:min(760px,92vw);max-height:86vh;padding:0;border:0;box-shadow:0 24px 80px #080e2f66}.related-dialog::backdrop{background:#0d153fcc}.related-dialog-inner{padding:30px}.related-dialog-top{display:flex;align-items:start;justify-content:space-between;gap:20px}.related-dialog-top h2{margin:0;color:var(--navy);font-size:2.5rem}.related-dialog-top button{border:0;background:none;color:var(--navy);font-size:2.2rem;cursor:pointer}.related-intro{color:var(--muted)}.related-list{display:grid;gap:10px;margin-top:22px}.related-list a{display:block;padding:16px;border:1px solid var(--line);text-decoration:none}.related-list a:hover{border-color:var(--red)}.related-list span{display:block;color:var(--red);font-family:var(--mono);font-size:.69rem;text-transform:uppercase}.related-list strong{display:block;margin-top:6px;color:var(--navy)}.related-list p{margin:5px 0 0;color:var(--muted);font-size:.86rem}.related-list p b{display:inline-flex;width:18px;height:18px;align-items:center;justify-content:center;margin-right:4px;background:var(--wash);color:var(--red);font-size:.66rem}.explorer-hero{padding:38px 0 50px;border-bottom:1px solid var(--navy)}.explorer-hero h1{max-width:850px;margin:0;color:var(--navy);font-size:clamp(3rem,7vw,6.6rem);line-height:.9;letter-spacing:-.075em}.explorer-hero>p:not(.eyebrow){max-width:760px;color:var(--muted);font-size:1.16rem}.explorer-hero label{display:block;margin-top:34px;color:var(--navy);font-family:var(--mono);font-size:.76rem;font-weight:900;text-transform:uppercase}.explorer-hero input{width:100%;margin-top:8px;padding:18px 20px;border:2px solid var(--navy);font:inherit;font-size:1.1rem}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin:52px 0 22px}.section-head h2{margin:4px 0 0;color:var(--navy);font-size:2.35rem}.section-index{color:var(--red);font-family:var(--mono);font-size:.72rem;font-weight:900}.explore-topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.explore-topic-card{display:grid;grid-template-columns:210px 1fr;border:1px solid var(--line);text-decoration:none;overflow:hidden}.explore-topic-card:hover{border-color:var(--red)}.explore-topic-card img{width:100%;height:100%;min-height:170px;object-fit:cover}.explore-topic-card>div{padding:22px}.explore-topic-card strong{display:block;color:var(--navy);font-size:1.35rem}.explore-topic-card span{color:var(--red);font-family:var(--mono);font-size:.72rem}.explore-topic-card p{margin:10px 0 0;color:var(--muted);font-size:.9rem}.search-output{scroll-margin-top:24px}.search-output[hidden]{display:none}.empty-search{grid-column:1/-1;padding:28px;background:var(--wash);color:var(--muted)}
@media(max-width:900px){.topic-quiz{grid-template-columns:1fr}.explore-topic-grid{grid-template-columns:1fr}}
@media(max-width:700px){.topic-summary{grid-template-columns:1fr}.topic-summary div{border-right:0;border-bottom:1px solid var(--line)}.ecosystem-list{grid-template-columns:1fr}.topic-heading{grid-template-columns:38px 1fr}.topic-heading em{display:none}.ecosystem-term{grid-template-columns:1fr}.topic-quiz{padding:26px}.topic-quiz-options{grid-template-columns:1fr}.explore-topic-card{grid-template-columns:1fr}.explore-topic-card img{height:auto;min-height:0}.section-head{align-items:start;flex-direction:column}}

/* Familias verbales y partículas */
.family-page .seo-hero figure img,.particle-page .seo-hero figure img{aspect-ratio:16/9;object-fit:cover}.term-meta{margin-top:7px;color:var(--muted);font-family:var(--mono);font-size:.64rem;font-style:normal;text-transform:uppercase}.sense-badge{grid-column:1/-1;justify-self:start;padding:5px 9px;background:var(--wash);color:var(--navy);font-family:var(--mono);font-size:.67rem;font-weight:800}.family-term .cross-badge,.particle-term .cross-badge{margin-top:2px}.family-card img,.particle-card img{filter:saturate(.88) contrast(1.03)}