/* Fernández Chuljak — identidad blanco y negro */
:root{
  --negro:#0a0a0a; --negro2:#141414; --gris:#8a8a8a; --gris2:#bdbdbd; --linea:#e6e6e6; --linea-osc:#262626;
  --blanco:#ffffff; --hueso:#f6f5f3;
  --f:"Figtree","Avenir Next","Avenir",system-ui,sans-serif;
  --pad:clamp(20px,6vw,96px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--blanco);color:var(--negro);font:400 17px/1.7 var(--f);-webkit-font-smoothing:antialiased}
a{color:inherit}
img{display:block}
::selection{background:var(--negro);color:var(--blanco)}

/* tracking de la marca */
.kicker,.top nav a,.marca span,.tag,.btn,.hero-tags,.n,.redes a,.fecha,.meta,.filtros button,.post-foot p,.share a,.back{letter-spacing:.22em;text-transform:uppercase}

/* ---------- encabezado ---------- */
.top{position:fixed;inset:0 0 auto 0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:22px var(--pad);color:var(--blanco);transition:background .35s,padding .35s}
.top.scrolled{background:rgba(10,10,10,.92);backdrop-filter:blur(12px);padding-top:14px;padding-bottom:14px}
.marca{display:flex;align-items:center;gap:14px;text-decoration:none}
.marca .fc{width:34px;height:34px}
.marca span{font-size:13px;font-weight:400;letter-spacing:.38em}
.top nav{display:flex;gap:clamp(18px,3vw,40px)}
.top nav a{font-size:12px;font-weight:500;text-decoration:none;opacity:.75;transition:opacity .2s}
.top nav a:hover{opacity:1}
@media (max-width:560px){.marca span{display:none}}
@media (max-width:760px){.nav-x{display:none}}

/* ---------- botones ---------- */
.btn{display:inline-flex;align-items:center;gap:14px;font-size:12px;font-weight:600;text-decoration:none;padding:16px 26px;border:1px solid currentColor;border-radius:999px;transition:background .25s,color .25s}
.btn i{font-style:normal;transition:transform .25s}
.btn:hover{background:var(--blanco);color:var(--negro)}
.btn:hover i{transform:translateX(4px)}
.btn-osc:hover{background:var(--negro);color:var(--blanco)}
.btn-sutil{border-color:rgba(255,255,255,.3)}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- hero ---------- */
.hero,.sobre-hero{position:relative;min-height:100svh;background:var(--negro);color:var(--blanco);display:flex;flex-direction:column;justify-content:center;padding:140px var(--pad) 120px;overflow:hidden}
.sobre-hero{min-height:78svh}
.hero-mark{position:absolute;right:-14vw;top:50%;width:min(78vw,980px);transform:translateY(-50%);opacity:.07;animation:gira 120s linear infinite;pointer-events:none}
@keyframes gira{to{transform:translateY(-50%) rotate(360deg)}}
.hero-in{position:relative;max-width:1100px}
.kicker{font-size:12px;font-weight:500;color:var(--gris2);margin:0 0 34px}
.kicker span{color:var(--gris);margin:0 8px}
.lema{font-weight:300;font-size:clamp(44px,7.6vw,118px);line-height:1;letter-spacing:-.035em;margin:0}
.lema span{display:block;opacity:0;transform:translateY(30px);animation:sube .9s cubic-bezier(.2,.7,.2,1) forwards}
.lema span:nth-child(2){animation-delay:.12s}.lema span:nth-child(3){animation-delay:.24s}
.lema b{font-weight:800}
@keyframes sube{to{opacity:1;transform:none}}
.hero-sub{font-size:clamp(17px,1.6vw,20px);color:var(--gris2);font-weight:300;margin:36px 0 40px;max-width:520px}
.hero-tags{position:absolute;left:var(--pad);bottom:40px;margin:0;font-size:11px;color:var(--gris)}
.hero-tags i{font-style:normal;margin:0 10px}
.hero-tags::before{content:"";display:inline-block;width:48px;height:1px;background:var(--gris);vertical-align:middle;margin-right:18px}

/* ---------- bloques ---------- */
.bloque{padding:clamp(80px,11vw,160px) var(--pad) 0;border-bottom:1px solid var(--linea)}
.bloque-osc{background:var(--negro);color:var(--blanco);border-bottom:0;padding-bottom:clamp(80px,11vw,160px)}
.bloque-head{max-width:1100px;margin-bottom:clamp(40px,6vw,80px)}
.bloque-head .n{font-size:11px;font-weight:600;color:var(--gris)}
.bloque-head h2{font-size:clamp(38px,6vw,88px);font-weight:300;letter-spacing:-.04em;line-height:1;margin:22px 0 0}
.bloque-osc .bloque-head h2{color:var(--blanco)}
.pilares{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--linea);margin:0 calc(var(--pad)*-1)}
.pilar{padding:clamp(40px,5vw,72px) var(--pad);border-right:1px solid var(--linea)}
.pilar:last-child{border-right:0}
.pilar h3{font-size:clamp(24px,2.4vw,32px);font-weight:800;letter-spacing:-.025em;margin:0 0 14px;line-height:1.1}
.pilar p{color:#4a4a4a;margin:0;max-width:380px}
@media (max-width:860px){.pilares{grid-template-columns:1fr}.pilar{border-right:0;border-bottom:1px solid var(--linea)}.pilar:last-child{border-bottom:0}}

/* ---------- social ---------- */
.causas{display:grid;grid-template-columns:1fr 1fr 1.3fr;gap:1px;background:var(--linea-osc);border:1px solid var(--linea-osc)}
.causa{background:var(--negro);padding:clamp(32px,4vw,56px)}
.causa-tag{font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--gris)}
.causa h3{font-size:clamp(24px,2.4vw,32px);font-weight:800;letter-spacing:-.025em;line-height:1.1;margin:16px 0 14px}
.causa p{color:var(--gris2);margin:0}
.video{position:relative;aspect-ratio:16/9;background:#000;margin-top:8px}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
@media (max-width:980px){.causas{grid-template-columns:1fr}}

/* ---------- locutor ---------- */
.locutor{position:relative;overflow:hidden;background:var(--hueso);padding:clamp(90px,12vw,170px) var(--pad);display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:48px}
.onda{display:flex;align-items:center;gap:clamp(3px,.5vw,7px);height:clamp(160px,24vw,320px);order:2}
.onda i{flex:1;background:var(--negro);border-radius:99px;height:20%;animation:onda 1.6s ease-in-out infinite;animation-delay:calc(var(--i) * -.09s)}
.onda i:nth-child(3n){animation-duration:1.2s}.onda i:nth-child(4n+1){animation-duration:2s}.onda i:nth-child(5n+2){animation-duration:1.4s}
@keyframes onda{0%,100%{height:12%}50%{height:92%}}
.locutor-in{order:1}
.locutor-in .n{font-size:11px;font-weight:600;color:var(--gris)}
.locutor-in h2{font-size:clamp(44px,7vw,104px);font-weight:800;letter-spacing:-.045em;line-height:.98;margin:22px 0 26px}
.locutor-in>p{font-size:clamp(17px,1.6vw,20px);font-weight:300;color:#3a3a3a;max-width:480px;margin:0 0 36px}
.locutor-datos{display:flex;gap:48px;margin-bottom:40px}
.locutor-datos strong{display:block;font-size:clamp(40px,4.4vw,64px);font-weight:300;letter-spacing:-.04em;line-height:1}
.locutor-datos span{display:block;margin-top:10px;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--gris)}
.locutor .btn:hover{background:var(--negro);color:var(--blanco)}
@media (max-width:860px){.locutor{grid-template-columns:1fr}.onda{order:0;height:120px}}

/* ---------- redes ---------- */
.redes-sec{padding:clamp(80px,11vw,160px) var(--pad);border-top:1px solid var(--linea)}
.redes-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--negro)}
.red{position:relative;display:flex;flex-direction:column;gap:8px;padding:36px 28px 40px 0;border-bottom:1px solid var(--linea);text-decoration:none;overflow:hidden}
.red+.red{padding-left:28px;border-left:1px solid var(--linea)}
.red span{font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--gris)}
.red strong{font-size:clamp(20px,1.9vw,26px);font-weight:700;letter-spacing:-.02em}
.red em{font-style:normal;color:#5a5a5a;font-size:15px}
.red i{position:absolute;top:30px;right:22px;font-style:normal;font-size:22px;transition:transform .3s}
.red:hover i{transform:translate(4px,-4px)}
.red::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--negro);transform:scaleX(0);transform-origin:left;transition:transform .4s}
.red:hover::after{transform:scaleX(1)}
@media (max-width:900px){.redes-grid{grid-template-columns:1fr 1fr}.red:nth-child(3){padding-left:0;border-left:0}}
@media (max-width:520px){.redes-grid{grid-template-columns:1fr}.red+.red{padding-left:0;border-left:0}}

/* ---------- artículos ---------- */
.lista{padding:clamp(70px,10vw,140px) var(--pad);background:var(--hueso)}
.lista-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.lista-head h2{font-size:clamp(40px,6vw,84px);font-weight:800;letter-spacing:-.04em;line-height:1;margin:0}
.filtros{display:flex;flex-wrap:wrap;gap:8px}
.filtros button{background:none;border:1px solid #cfcfcf;color:#555;padding:10px 18px;border-radius:999px;font:500 11px var(--f);letter-spacing:.16em;cursor:pointer;transition:all .2s}
.filtros button:hover{border-color:var(--negro);color:var(--negro)}
.filtros button.activo{background:var(--negro);border-color:var(--negro);color:var(--blanco)}
.posts{list-style:none;margin:0;padding:0;border-top:1px solid var(--negro)}
.posts a{display:grid;grid-template-columns:150px 1fr 60px;gap:28px;align-items:start;padding:38px 0;border-bottom:1px solid #d9d9d9;text-decoration:none;position:relative}
.posts a::before{content:"";position:absolute;inset:0 calc(var(--pad)*-1);background:var(--negro);transform:scaleY(0);transform-origin:bottom;transition:transform .45s cubic-bezier(.2,.7,.2,1);z-index:0}
.posts a>*{position:relative;z-index:1;transition:color .3s}
.posts a:hover::before{transform:scaleY(1)}
.posts a:hover>*{color:var(--blanco)}
.posts a:hover .extracto,.posts a:hover .fecha{color:var(--gris2)}
.fecha{font-size:11px;color:var(--gris);padding-top:10px}
.cuerpo{display:flex;flex-direction:column;gap:10px}
.tag{font-size:11px;font-weight:600;text-decoration:none}
.titulo{font-size:clamp(24px,2.8vw,38px);font-weight:700;letter-spacing:-.025em;line-height:1.12}
.extracto{color:#5a5a5a;max-width:700px}
.flecha{font-size:28px;font-weight:300;text-align:right;padding-top:2px;transition:transform .3s}
.posts a:hover .flecha{transform:translateX(-8px)}
.vacio{color:var(--gris)}
@media (max-width:700px){.posts a{grid-template-columns:1fr;gap:8px}.flecha{display:none}}

/* ---------- llamado ---------- */
.cta{position:relative;overflow:hidden;background:var(--negro);color:var(--blanco);text-align:center;padding:clamp(90px,13vw,170px) var(--pad)}
.cta .cta-mark{display:block;width:84px;height:84px;margin:0 auto 34px}
.cta h2{font-size:clamp(46px,8vw,120px);font-weight:800;letter-spacing:-.045em;line-height:1;margin:0}
.cta p{color:var(--gris2);font-weight:300;font-size:clamp(17px,1.6vw,21px);margin:20px 0 42px}

/* ---------- artículo ---------- */
.post-head{background:var(--negro);color:var(--blanco);padding:clamp(150px,18vw,220px) var(--pad) clamp(60px,8vw,100px)}
.post-head-in{max-width:960px;margin:0 auto}
.post-head .tag{color:var(--gris2)}
.post-head h1{font-size:clamp(38px,6.4vw,88px);font-weight:800;letter-spacing:-.04em;line-height:1.02;margin:22px 0 30px}
.meta{font-size:11px;color:var(--gris);margin:0}
.meta i{font-style:normal;margin:0 8px}
.post-img{width:100%;max-height:72vh;object-fit:cover}
.post-body{max-width:720px;margin:0 auto;padding:clamp(56px,8vw,96px) 20px 0;font-size:clamp(18px,1.6vw,20px);line-height:1.8;color:#1d1d1d}
.post-body>p:first-child{font-size:1.25em;line-height:1.55;font-weight:300;color:var(--negro)}
.post-body p{margin:0 0 1.4em}
.post-body h2{font-size:clamp(26px,3vw,34px);font-weight:800;letter-spacing:-.025em;line-height:1.15;margin:2em 0 .7em}
.post-body blockquote{margin:2.4em 0;padding:1.6em 0;border-top:1px solid var(--negro);border-bottom:1px solid var(--negro);font-size:clamp(24px,2.8vw,34px);line-height:1.3;font-weight:300;letter-spacing:-.02em;color:var(--negro)}
.post-body blockquote p{margin:0}
.post-body a{text-decoration-thickness:1px;text-underline-offset:4px}
.post-body img{max-width:100%;margin:2em 0}
.post-foot{max-width:720px;margin:0 auto;padding:56px 20px clamp(80px,10vw,130px)}
.post-foot p{font-size:11px;color:var(--gris);margin:0 0 16px;padding-top:36px;border-top:1px solid var(--linea)}
.share{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:48px}
.share a{font-size:11px;font-weight:600;text-decoration:none;border:1px solid var(--negro);padding:12px 20px;border-radius:999px;transition:all .2s}
.share a:hover{background:var(--negro);color:var(--blanco)}
.back{font-size:11px;font-weight:600;text-decoration:none;color:var(--gris)}
.back:hover{color:var(--negro)}

/* ---------- sobre mí ---------- */
.sobre-nombre{font-size:clamp(46px,8vw,120px);font-weight:300;letter-spacing:-.04em;line-height:.98;margin:0}
.sobre-nombre b{font-weight:800}
.sobre{display:grid;grid-template-columns:repeat(3,1fr)}
.sobre-col{padding:clamp(56px,7vw,100px) var(--pad);border-right:1px solid var(--linea)}
.sobre-col:last-child{border-right:0}
.sobre-col .n{font-size:11px;font-weight:600;color:var(--gris)}
.sobre-col .grande{font-size:clamp(21px,2vw,26px);font-weight:500;letter-spacing:-.015em;line-height:1.35;margin:20px 0 18px}
.sobre-col p{color:#4a4a4a}
.sobre-col .btn{margin-top:16px}
@media (max-width:900px){.sobre{grid-template-columns:1fr}.sobre-col{border-right:0;border-bottom:1px solid var(--linea)}}

/* ---------- pie ---------- */
.pie{background:var(--negro);color:var(--blanco);padding:clamp(70px,9vw,120px) var(--pad) 36px;border-top:1px solid var(--linea-osc)}
.pie-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:48px;padding-bottom:64px;border-bottom:1px solid var(--linea-osc)}
.pie-logo{display:flex;align-items:center;gap:22px}
.pie-logo .fc{width:72px;height:72px;flex:none}
.pie-logo strong{display:block;font-weight:400;font-size:clamp(20px,2.4vw,30px);letter-spacing:.32em}
.pie-logo span{display:block;margin-top:10px;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--gris2)}
.pie-lema{margin:0;font-size:clamp(20px,2vw,26px);font-weight:300;line-height:1.35;letter-spacing:-.01em;color:var(--gris2);text-align:right}
.pie-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px;padding-top:28px;font-size:13px;color:var(--gris)}
.pie-bottom p{margin:0}
.redes{display:flex;flex-wrap:wrap;gap:28px}
.redes a{font-size:11px;font-weight:600;text-decoration:none;color:var(--gris2)}
.redes a:hover{color:var(--blanco)}
@media (max-width:700px){.pie-lema{text-align:left}}

/* ---------- animación de aparición ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal,.lema span{opacity:1;transform:none;animation:none;transition:none}.hero-mark{animation:none}}


/* ---------- demos de locución ---------- */
.locutor .btn-sutil-osc{border-color:transparent;margin-left:6px}
.locutor .btn-sutil-osc:hover{background:transparent;color:var(--negro);text-decoration:underline;text-underline-offset:5px}
.demos{background:var(--hueso);padding:0 var(--pad) clamp(80px,10vw,140px)}
.demos-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:end;gap:18px;border-top:1px solid var(--negro);padding-top:28px;margin-bottom:8px}
.demos-head h3{font-size:clamp(24px,2.4vw,32px);font-weight:800;letter-spacing:-.025em;margin:0}
.demos-filtros{display:flex;flex-wrap:wrap;gap:8px}
.demos-filtros button{font:600 12px var(--f);background:transparent;color:var(--negro);border:1px solid #cfcfcf;border-radius:999px;padding:8px 14px;cursor:pointer}
.demos-filtros button.activo{background:var(--negro);color:var(--blanco);border-color:var(--negro)}
.demos-lista{list-style:none;margin:0;padding:0}
.demo{display:grid;grid-template-columns:52px 1fr auto;align-items:center;gap:18px;padding:18px 0;border-bottom:1px solid #dcdcdc}
.demo[hidden]{display:none}
.demo-play{width:52px;height:52px;border-radius:50%;border:1.5px solid var(--negro);background:transparent;cursor:pointer;display:grid;place-items:center;transition:background .2s}
.demo-play:hover,.demo.sonando .demo-play{background:var(--negro)}
.demo-play .ic{width:0;height:0;border-style:solid;border-width:8px 0 8px 13px;border-color:transparent transparent transparent var(--negro);margin-left:4px}
.demo-play:hover .ic{border-left-color:var(--blanco)}
.demo.sonando .ic{width:12px;height:14px;border:0;margin:0;background:linear-gradient(90deg,var(--blanco) 0 4px,transparent 4px 8px,var(--blanco) 8px 12px)}
.demo-play:focus-visible{outline:2px solid var(--negro);outline-offset:3px}
.demo-info{display:flex;flex-direction:column;gap:3px;min-width:0}
.demo-titulo{font-size:clamp(17px,1.5vw,20px);font-weight:700;letter-spacing:-.01em}
.demo-meta{font-size:13px;color:#6b6b6b}
.demo-meta b{color:var(--negro);font-weight:700}
.demo-barra{display:block;height:3px;background:#dedede;margin-top:8px;cursor:pointer;border-radius:2px;overflow:hidden}
.demo-barra i{display:block;height:100%;width:0;background:var(--negro)}
.demo-dur{font-size:13px;color:#6b6b6b;font-variant-numeric:tabular-nums}
@media (max-width:560px){.demo{grid-template-columns:44px 1fr auto;gap:12px}.demo-play{width:44px;height:44px}}


/* ---------- video que carga al darle play ---------- */
.video-play{position:absolute;inset:0;width:100%;height:100%;padding:0;border:0;background:#000;cursor:pointer;display:block}
.video-play img{width:100%;height:100%;object-fit:cover;opacity:.75;transition:opacity .25s}
.video-play:hover img{opacity:.9}
.video-ic{position:absolute;left:50%;top:50%;width:72px;height:72px;margin:-36px 0 0 -36px;border-radius:50%;background:rgba(255,255,255,.95)}
.video-ic::after{content:"";position:absolute;left:29px;top:22px;border-style:solid;border-width:14px 0 14px 22px;border-color:transparent transparent transparent #0a0a0a}
.video-play:focus-visible{outline:2px solid #fff;outline-offset:-4px}

/* ---------- te puede interesar ---------- */
.relacionados{margin:0 0 48px}
.relacionados h2{font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--gris);margin:0 0 8px;padding-top:36px;border-top:1px solid var(--linea)}
.relacionados ul{list-style:none;margin:0;padding:0}
.relacionados a{display:grid;grid-template-columns:1fr auto;gap:4px 18px;padding:20px 0;border-bottom:1px solid var(--linea);text-decoration:none}
.relacionados .tag{grid-column:1;color:var(--gris)}
.rel-titulo{grid-column:1;font-size:clamp(19px,1.8vw,24px);font-weight:700;letter-spacing:-.02em;line-height:1.2}
.rel-flecha{grid-column:2;grid-row:1/3;align-self:center;font-size:24px;font-weight:300;transition:transform .25s}
.relacionados a:hover .rel-flecha{transform:translateX(6px)}
.relacionados a:hover .rel-titulo{text-decoration:underline;text-underline-offset:5px}