/* ByteHoy - portal de tecnología · hoja de estilos única
   Paleta tomada del logo: tinta navy + azul eléctrico + blanco */
:root{
  --ink:#0b1220;
  --ink-2:#141c2e;
  --blue:#2b6bff;
  --blue-dark:#1b4fd6;
  --blue-soft:#e8efff;
  --bg:#ffffff;
  --surface:#f5f7fc;
  --surface-2:#eef1f8;
  --line:#e4e8f2;
  --muted:#5b667a;
  --text:#141a24;
  /* acentos por categoría */
  --c-ia:#2b6bff;
  --c-moviles:#7c3aed;
  --c-gadgets:#0ea5a4;
  --c-analisis:#f59e0b;
  --c-seguridad:#e11d48;
  --c-gaming:#db2777;
  --radius:14px;
  --shadow:0 10px 30px rgba(11,18,32,.10);
  --shadow-sm:0 4px 14px rgba(11,18,32,.07);
  --maxw:1180px;
  --font-d:"Space Grotesk",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-b:"Inter",system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-b);color:var(--text);background:var(--bg);
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-d);line-height:1.12;margin:0;color:var(--ink);letter-spacing:-.02em;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- Cintillo superior ---------- */
.topbar{background:var(--ink);color:#c9d3e8;font-size:.8rem}
.topbar .wrap{display:flex;align-items:center;gap:16px;height:38px;justify-content:space-between}
.topbar .ticker{display:flex;align-items:center;gap:10px;overflow:hidden;white-space:nowrap}
.tk-tag{background:var(--c-seguridad);color:#fff;font-weight:700;font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;padding:3px 8px;border-radius:6px;flex:none}
.tk-text{overflow:hidden;text-overflow:ellipsis}
.topbar .meta{display:flex;gap:14px;flex:none}
.topbar .meta a:hover{color:#fff}

/* ---------- Cabecera ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.header-main{display:flex;align-items:center;gap:18px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand .mark{width:38px;height:38px;flex:none}
.brand .wordmark{font-family:var(--font-d);font-weight:700;font-size:1.5rem;letter-spacing:-.03em;color:var(--ink)}
.brand .wordmark b{color:var(--blue);font-weight:700}
.searchbox{margin-left:auto;display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:8px 14px;min-width:220px;color:var(--muted);transition:border-color .2s}
.searchbox:focus-within{border-color:var(--blue)}
.searchbox svg{flex:none}
.searchbox input{border:0;background:transparent;outline:none;font:inherit;color:var(--text);width:100%}
.btn{display:inline-flex;align-items:center;gap:8px;border:0;cursor:pointer;font:inherit;font-weight:600;border-radius:999px;padding:10px 18px;transition:transform .15s,box-shadow .2s,background .2s}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(43,107,255,.35)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.menu-toggle{display:none;background:none;border:0;cursor:pointer;padding:6px;color:var(--ink)}

/* navegación por categorías */
.catnav{border-top:1px solid var(--line);background:#fff}
.catnav .wrap{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.catnav .wrap::-webkit-scrollbar{display:none}
.catnav a{position:relative;padding:13px 14px;font-size:.9rem;font-weight:600;color:var(--ink);white-space:nowrap;border-bottom:3px solid transparent}
.catnav a:hover{color:var(--blue)}
.catnav a[data-c]::before{content:"";position:absolute;left:14px;top:9px;width:7px;height:7px;border-radius:2px;background:var(--dot,var(--blue))}
.catnav a[data-c]{padding-left:28px}
.catnav a:hover{border-bottom-color:currentColor}

/* etiqueta de categoría */
.tag{display:inline-block;font-family:var(--font-d);font-size:.7rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:#fff;padding:4px 9px;border-radius:6px;background:var(--blue)}
.tag.ia{background:var(--c-ia)} .tag.moviles{background:var(--c-moviles)} .tag.gadgets{background:var(--c-gadgets)}
.tag.analisis{background:var(--c-analisis);color:#3a2a02} .tag.seguridad{background:var(--c-seguridad)} .tag.gaming{background:var(--c-gaming)}

/* meta de artículo (autor, tiempo, vistas) */
.meta-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:.82rem;color:var(--muted)}
.meta-row .stat{display:inline-flex;align-items:center;gap:5px}
.meta-row svg{opacity:.7}

/* ---------- Portada: destacado ---------- */
.lead{padding:26px 0 8px}
.lead-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:22px}
.lead-hero{position:relative;border-radius:var(--radius);overflow:hidden;min-height:440px;display:flex;align-items:flex-end;box-shadow:var(--shadow)}
.lead-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.lead-hero .scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,18,32,0) 30%,rgba(11,18,32,.55) 62%,rgba(11,18,32,.94) 100%)}
.lead-hero .content{position:relative;padding:28px 30px;color:#fff}
.lead-hero h1{color:#fff;font-size:2.35rem;margin:12px 0 10px;max-width:20ch}
.lead-hero p{color:#dfe6f5;font-size:1.05rem;margin:0 0 14px;max-width:52ch}
.lead-hero .meta-row{color:#c4cfe6}
.lead-side{display:flex;flex-direction:column;gap:18px}
.side-card{display:grid;grid-template-columns:104px 1fr;gap:14px;align-items:start;padding-bottom:18px;border-bottom:1px solid var(--line)}
.side-card:last-child{border-bottom:0}
.side-card .thumb{border-radius:10px;overflow:hidden;aspect-ratio:1/1}
.side-card .thumb img{width:100%;height:100%;object-fit:cover}
.side-card h3{font-size:1.02rem;margin:8px 0 6px}
.side-card a:hover h3{color:var(--blue)}
.side-card .meta-row{font-size:.75rem}

/* ---------- Bloque de anuncio honesto ---------- */
.adslot{margin:26px auto;max-width:970px;border:1px dashed #cdd6e8;border-radius:12px;background:var(--surface);
  min-height:110px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#9aa6bd;gap:4px}
.adslot .label{font-size:.66rem;letter-spacing:.14em;text-transform:uppercase}
.adslot .demo{font-size:.9rem;color:var(--muted);font-weight:600}
.adslot.tall{min-height:600px;max-width:300px;margin:0}

/* ---------- Sección + rejilla de noticias ---------- */
.section{padding:34px 0}
.section-head{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.section-head h2{font-size:1.5rem;position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:2px;bottom:2px;width:5px;border-radius:3px;background:var(--blue)}
.section-head .more{margin-left:auto;font-weight:600;color:var(--blue);font-size:.9rem}
.section-head .more:hover{text-decoration:underline}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.with-rail{display:grid;grid-template-columns:1fr 300px;gap:30px;align-items:start}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .18s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.card .cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.card:hover .cover img{transform:scale(1.05)}
.card .cover .tag{position:absolute;left:12px;top:12px}
.card .body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{font-size:1.12rem;line-height:1.22}
.card:hover h3{color:var(--blue)}
.card p{font-size:.92rem;color:var(--muted);margin:0}
.card .meta-row{margin-top:auto;font-size:.76rem}

/* lista compacta lateral (rail) */
.rail h3{font-size:1.05rem;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--ink)}
.rank{list-style:none;margin:0 0 26px;padding:0;counter-reset:r}
.rank li{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;padding:12px 0;border-bottom:1px solid var(--line);counter-increment:r}
.rank li::before{content:counter(r);font-family:var(--font-d);font-weight:700;font-size:1.3rem;color:var(--blue);opacity:.55;line-height:1}
.rank a{font-weight:600;font-size:.92rem;color:var(--ink)}
.rank a:hover{color:var(--blue)}
.rank .k{display:block;font-size:.72rem;color:var(--muted);margin-top:3px}

/* ---------- Franja destacada / sobre ByteHoy ---------- */
.band{background:var(--ink);color:#e9eefb;position:relative;overflow:hidden}
.band::after{content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;background:radial-gradient(circle,rgba(43,107,255,.4),transparent 65%);filter:blur(10px)}
.band .wrap{position:relative;padding:52px 20px;display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
.band h2{color:#fff;font-size:1.9rem;margin-bottom:14px}
.band p{color:#c3cde3}
.band .kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.kpi{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:18px}
.kpi b{display:block;font-family:var(--font-d);font-size:1.9rem;color:#fff;line-height:1}
.kpi b span{font-size:inherit;color:inherit}
.kpi>span{display:block;font-size:.82rem;color:#aeb9d4;margin-top:6px}

/* ---------- Newsletter ---------- */
.newsletter{background:linear-gradient(135deg,var(--blue),#5b8bff);color:#fff;border-radius:20px;padding:40px 34px;text-align:center;box-shadow:var(--shadow)}
.newsletter h2{color:#fff;font-size:1.7rem;margin-bottom:8px}
.newsletter p{color:#e7eeff;max-width:52ch;margin:0 auto 20px}
.nl-form{display:flex;gap:10px;max-width:480px;margin:0 auto;flex-wrap:wrap}
.nl-form input{flex:1;min-width:200px;border:0;border-radius:999px;padding:14px 18px;font:inherit;outline:none}
.nl-form .btn{background:var(--ink);color:#fff}
.nl-form .btn:hover{background:#000}
.nl-note{font-size:.76rem;color:#dbe6ff;margin:14px 0 0}

/* ---------- Pie ---------- */
.site-footer{background:var(--ink);color:#aab5cd;padding:48px 0 26px;margin-top:10px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand .wordmark{font-family:var(--font-d);font-weight:700;font-size:1.35rem;color:#fff}
.foot-brand .wordmark b{color:var(--blue)}
.foot-brand p{margin-top:12px;font-size:.9rem;max-width:34ch}
.foot-col h4{color:#fff;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.foot-col a{display:block;padding:6px 0;font-size:.9rem;color:#aab5cd}
.foot-col a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:22px;font-size:.82rem;color:#7f8ba6}
.foot-bottom a{color:#c3cde3}
.foot-bottom .credit a{color:var(--blue);font-weight:600}
.social{display:flex;gap:10px;margin-top:16px}
.social a{width:36px;height:36px;border-radius:9px;background:rgba(255,255,255,.07);display:grid;place-items:center;color:#c3cde3}
.social a:hover{background:var(--blue);color:#fff}

/* ---------- Página de artículo ---------- */
.article-wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.breadcrumb{font-size:.82rem;color:var(--muted);padding:22px 0 0}
.breadcrumb a:hover{color:var(--blue)}
.article-head{max-width:760px;margin:0 auto;padding:14px 0 8px;text-align:center}
.article-head h1{font-size:2.6rem;margin:16px 0 14px;letter-spacing:-.025em}
.article-head .dek{font-size:1.2rem;color:var(--muted);font-family:var(--font-b)}
.byline{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;margin:20px 0 0;font-size:.86rem;color:var(--muted)}
.byline .avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--blue),#7c3aed);color:#fff;display:grid;place-items:center;font-family:var(--font-d);font-weight:700}
.byline .who b{color:var(--ink)}
.article-figure{margin:26px auto;max-width:1000px}
.article-figure img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.article-figure figcaption{font-size:.8rem;color:var(--muted);text-align:center;margin-top:8px}
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:44px;align-items:start;margin-top:8px}
.article-body{max-width:720px;font-size:1.11rem;color:#26303f}
.article-body h2{font-size:1.6rem;margin:34px 0 12px}
.article-body h3{font-size:1.25rem;margin:26px 0 8px}
.article-body p{margin:0 0 1.15em}
.article-body a{color:var(--blue);font-weight:500;border-bottom:1px solid transparent}
.article-body a:hover{border-bottom-color:var(--blue)}
.article-body ul{padding-left:1.2em;margin:0 0 1.2em}
.article-body li{margin-bottom:.5em}
.article-body blockquote{margin:26px 0;padding:6px 0 6px 22px;border-left:4px solid var(--blue);font-family:var(--font-d);font-size:1.3rem;color:var(--ink);line-height:1.3}
.pull{background:var(--surface);border-radius:12px;padding:20px 22px;margin:24px 0;font-size:1rem}
.pull b{color:var(--ink)}
.share{display:flex;gap:10px;align-items:center;margin:30px 0;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.share span{font-weight:600;color:var(--ink);font-size:.9rem}
.share a{width:38px;height:38px;border-radius:9px;background:var(--surface);display:grid;place-items:center;color:var(--ink)}
.share a:hover{background:var(--blue);color:#fff}

/* aside sticky del artículo */
.article-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:24px}
.aside-box{border:1px solid var(--line);border-radius:12px;padding:18px}
.aside-box h4{font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.aside-box .rank li:last-child{border-bottom:0}

/* ---------- Comentarios (visual, no funcional) ---------- */
.comments{max-width:760px;margin:40px auto 0}
.comments h2{font-size:1.5rem;display:flex;align-items:center;gap:10px}
.comments h2 .n{font-size:.9rem;background:var(--surface-2);color:var(--muted);padding:3px 10px;border-radius:999px;font-family:var(--font-b);font-weight:600}
.comment-form{display:flex;gap:12px;margin:18px 0 26px}
.comment-form .avatar{width:42px;height:42px;border-radius:50%;background:var(--surface-2);flex:none}
.comment-form .field{flex:1}
.comment-form textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 14px;font:inherit;resize:vertical;min-height:60px;outline:none}
.comment-form textarea:focus{border-color:var(--blue)}
.comment-form .row{display:flex;justify-content:space-between;align-items:center;margin-top:10px;gap:10px}
.comment-form .row small{color:var(--muted);font-size:.76rem}
.comment{display:flex;gap:12px;padding:16px 0;border-top:1px solid var(--line)}
.comment .avatar{width:42px;height:42px;border-radius:50%;flex:none;display:grid;place-items:center;color:#fff;font-family:var(--font-d);font-weight:700}
.comment .c-body{flex:1}
.comment .c-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:4px}
.comment .c-head b{color:var(--ink);font-size:.95rem}
.comment .c-head time{font-size:.76rem;color:var(--muted)}
.comment .verified{font-size:.66rem;background:var(--blue-soft);color:var(--blue-dark);padding:2px 7px;border-radius:6px;font-weight:600}
.comment p{margin:0 0 8px;font-size:.96rem}
.comment .actions{display:flex;gap:16px;font-size:.8rem;color:var(--muted)}
.comment .actions a{display:inline-flex;align-items:center;gap:5px}
.comment .actions a:hover{color:var(--blue)}
.reply{margin-left:54px}

/* valoración (estrellas cosméticas) */
.rating{display:flex;align-items:center;gap:10px;background:var(--surface);border-radius:12px;padding:14px 18px;margin:24px 0}
.stars{color:var(--c-analisis);letter-spacing:2px;font-size:1.15rem}
.rating b{font-family:var(--font-d);font-size:1.3rem;color:var(--ink)}
.rating small{color:var(--muted);font-size:.8rem}

/* ficha técnica */
.spec{width:100%;border-collapse:collapse;margin:24px 0;font-size:.95rem}
.spec th,.spec td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line)}
.spec th{width:38%;color:var(--muted);font-weight:600}
.spec tr:nth-child(odd){background:var(--surface)}

/* siguiente lectura */
.more-read{border-top:1px solid var(--line);margin-top:44px;padding-top:30px}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .lead-grid{grid-template-columns:1fr}
  .lead-hero{min-height:360px}
  .lead-hero h1{font-size:1.8rem}
  .grid{grid-template-columns:repeat(2,1fr)}
  .with-rail{grid-template-columns:1fr}
  .band .wrap{grid-template-columns:1fr;padding:40px 20px;gap:26px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .article-layout{grid-template-columns:1fr}
  .article-aside{position:static}
  .article-head h1{font-size:2rem}
}
@media (max-width:600px){
  .header-main{height:62px;gap:10px}
  .searchbox{display:none}
  .menu-toggle{display:block;margin-left:auto}
  .brand .wordmark{font-size:1.25rem}
  .header-cta{display:none}
  .catnav .wrap{gap:0}
  .grid{grid-template-columns:1fr}
  .lead-hero h1{font-size:1.55rem}
  .lead-hero .content{padding:20px}
  .foot-grid{grid-template-columns:1fr}
  .article-head h1{font-size:1.65rem}
  .article-body{font-size:1.05rem}
  .newsletter{padding:30px 20px}
  .reply{margin-left:20px}
  .band .kpis{grid-template-columns:1fr 1fr}
}
/* menú móvil desplegable */
.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:13px 20px;border-bottom:1px solid var(--line);font-weight:600;color:var(--ink)}
.mobile-nav .msearch{display:flex;gap:8px;padding:14px 20px;align-items:center;background:var(--surface)}
.mobile-nav .msearch input{flex:1;border:1px solid var(--line);border-radius:999px;padding:10px 14px;font:inherit;outline:none}