/* ---------- Colores y base ---------- */
:root{
  --bg:#0a0a0b; --bg2:#111113; --line:rgba(255,255,255,.09);
  --text:#ecebe8; --muted:#9a9894; --dim:#5f5d5a;
  --accent:#dcae97; /* oro rosa */
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Inter Tight',system-ui,sans-serif;font-weight:300;line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit}
img,video{display:block;max-width:100%}
.wrap{max-width:1240px;margin:0 auto;padding:0 2rem}
.serif{font-family:'Instrument Serif',serif;font-weight:400}
.eyebrow{font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--accent)}

/* ---------- Idioma: se muestra .es o .en según la clase de <html> ---------- */
html:not(.lang-en) .en{display:none!important}
html.lang-en .es{display:none!important}

/* ---------- Menú ---------- */
nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:1rem 2rem;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
nav.solid{background:rgba(10,10,11,.82);backdrop-filter:blur(14px);border-color:var(--line)}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;font-weight:500;letter-spacing:.04em;font-size:.95rem}
.brand svg{width:38px;height:38px}
.nav-r{display:flex;align-items:center;gap:2rem}
.nav-links{display:flex;gap:1.8rem;list-style:none}
.nav-links a{text-decoration:none;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);transition:color .2s}
.nav-links a:hover{color:var(--text)}
.lang{display:flex;border:1px solid var(--line);border-radius:99px;overflow:hidden}
.lang button{background:none;border:0;color:var(--muted);font:500 .72rem 'Inter Tight',sans-serif;letter-spacing:.1em;padding:.4rem .75rem;cursor:pointer}
.lang button.on{background:var(--text);color:var(--bg)}

/* ---------- Portada con montaje ---------- */
.hero{position:relative;height:100svh;min-height:560px;display:flex;align-items:flex-end;overflow:hidden}
.hero video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,11,.55) 0%,rgba(10,10,11,.1) 35%,rgba(10,10,11,.4) 65%,var(--bg) 100%)}
.hero-c{position:relative;z-index:1;width:100%;padding-bottom:4.5rem}
.hero h1{font-size:clamp(3.4rem,9vw,8.5rem);line-height:.92;letter-spacing:-.02em;margin:.9rem 0 1.4rem}
.hero h1 i{color:var(--accent)}
.hero p.lead{max-width:580px;font-size:clamp(1rem,1.5vw,1.15rem);color:#d6d4d0}
.hero-row{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;flex-wrap:wrap}
.btns{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:2rem}
.btn{display:inline-flex;align-items:center;gap:.6rem;padding:.85rem 1.5rem;border-radius:99px;font:500 .8rem 'Inter Tight',sans-serif;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;cursor:pointer;border:1px solid transparent;transition:all .2s}
.btn-a{background:var(--text);color:var(--bg)}
.btn-a:hover{background:var(--accent)}
.btn-g{background:rgba(255,255,255,.04);color:var(--text);border-color:rgba(255,255,255,.25);backdrop-filter:blur(6px)}
.btn-g:hover{border-color:var(--accent);color:var(--accent)}
.tri{width:0;height:0;border-style:solid;border-width:5px 0 5px 8px;border-color:transparent transparent transparent currentColor}
.hero-tag{font-size:.75rem;color:var(--muted);letter-spacing:.06em;text-align:right;max-width:280px}
.hero-tag b{color:var(--text);font-weight:500;display:block;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:.2rem}

/* ---------- Secciones ---------- */
section{padding:7rem 0}
.s-head{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;margin-bottom:3rem;flex-wrap:wrap}
h2{font-size:clamp(2.4rem,5vw,4.2rem);line-height:1;letter-spacing:-.01em;margin-top:.8rem}
h2 i{color:var(--accent)}
.s-head p{max-width:440px;color:var(--muted);font-size:.95rem}
.bt{border-top:1px solid var(--line)}

/* ---------- Casos de estudio ---------- */
.case{padding:5rem 0;border-top:1px solid var(--line)}
.case:first-of-type{border-top:0;padding-top:0}
.case-head{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;flex-wrap:wrap;margin-bottom:2rem}
.case-n{font-size:.72rem;letter-spacing:.2em;color:var(--dim);text-transform:uppercase}
.case h3.t{font-size:clamp(2.2rem,4.4vw,3.6rem);line-height:1;margin-top:.6rem}
.case h3.t i{color:var(--accent)}
.badge{display:inline-flex;align-items:center;gap:.5rem;border:1px solid rgba(220,174,151,.4);color:var(--accent);border-radius:99px;padding:.35rem .85rem;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase}
.badge::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent)}
.player{position:relative;aspect-ratio:16/9;border-radius:6px;overflow:hidden;background:#000;cursor:pointer}
.player video,.player img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.player .play{position:absolute;left:1.5rem;bottom:1.5rem;z-index:2}
.player::after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.45),transparent 40%);pointer-events:none}
.f-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:4rem;margin-top:3rem}
.f-grid p{color:var(--muted);margin-bottom:1rem}
.f-grid p strong{color:var(--text);font-weight:500}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:6px;overflow:hidden;align-self:start}
.facts div{background:var(--bg);padding:1.1rem 1.25rem}
.facts dt{font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin-bottom:.3rem}
.facts dd{font-size:.9rem;color:var(--text)}
.facts .full{grid-column:1/-1}
.bd{margin-top:3.5rem}
.bd h4{font-size:1.7rem;margin-bottom:1.4rem}
.bd-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.bd-step figure{border-radius:6px;overflow:hidden;aspect-ratio:16/9;background:#000}
.bd-step img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.bd-step:hover img{transform:scale(1.04)}
.bd-n{font-size:.7rem;color:var(--accent);letter-spacing:.16em;margin:1rem 0 .3rem}
.bd-t{font-weight:500;margin-bottom:.35rem}
.bd-d{font-size:.85rem;color:var(--muted);line-height:1.55}
/* Comparador antes / después */
.compare{position:relative;aspect-ratio:16/9;border-radius:6px;overflow:hidden;margin-top:2.5rem;user-select:none;touch-action:pan-y;background:#000}
.compare img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.compare .after{clip-path:inset(0 0 0 var(--x,50%))}
.compare .bar{position:absolute;top:0;bottom:0;left:var(--x,50%);width:2px;background:var(--text);transform:translateX(-1px)}
.compare .knob{position:absolute;top:50%;left:var(--x,50%);transform:translate(-50%,-50%);width:46px;height:46px;border-radius:50%;background:var(--text);color:var(--bg);display:grid;place-items:center;font-size:.8rem;font-weight:600;pointer-events:none}
.compare .lbl{position:absolute;top:1rem;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;background:rgba(0,0,0,.55);padding:.3rem .7rem;border-radius:99px}
.compare .l1{left:1rem}.compare .l2{right:1rem}
.compare input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize}

/* ---------- Rejilla de trabajos ---------- */
.filters{display:flex;gap:.5rem;flex-wrap:wrap}
.filters button{background:none;border:1px solid var(--line);color:var(--muted);border-radius:99px;padding:.45rem 1rem;font:400 .8rem 'Inter Tight',sans-serif;cursor:pointer;transition:all .2s}
.filters button.on,.filters button:hover{border-color:var(--text);color:var(--text)}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:1.25rem}
.card{grid-column:span 4;cursor:pointer}
.card.big{grid-column:span 6}
.card.q{grid-column:span 3}
.card.hide{display:none}
.thumb{position:relative;aspect-ratio:16/9;border-radius:6px;overflow:hidden;background:var(--bg2)}
.thumb img,.thumb video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .4s,transform .6s}
.thumb video{opacity:0}
.card.playing .thumb video{opacity:1}
.card:hover .thumb img,.card:hover .thumb video{transform:scale(1.03)}
.thumb .dur{position:absolute;right:.7rem;bottom:.7rem;font-size:.7rem;background:rgba(0,0,0,.6);padding:.15rem .5rem;border-radius:4px;z-index:2}
.c-meta{display:flex;justify-content:space-between;gap:1rem;margin-top:.9rem}
.c-title{font-weight:500}
.c-tag{font-size:.75rem;color:var(--muted);text-align:right;white-space:nowrap}
.c-desc{font-size:.85rem;color:var(--muted);margin-top:.25rem;line-height:1.55}

/* ---------- IA ---------- */
#ai{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.flow > div{padding:1.6rem 1.4rem;position:relative;border-right:1px solid var(--line)}
.flow > div:last-child{border-right:0}
.flow > div:not(:last-child)::after{content:'→';position:absolute;right:-.6rem;top:1.5rem;width:1.2rem;height:1.2rem;display:grid;place-items:center;background:var(--bg2);color:var(--accent);font-size:.85rem;z-index:1}
.flow .k{font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.flow h3{font-size:1.5rem;margin:.5rem 0 .6rem;line-height:1.1}
.flow p{font-size:.85rem;color:var(--muted)}
.flow .me{background:rgba(220,174,151,.06)}
.tools{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;margin-top:3rem}
.tool{border:1px solid var(--line);border-radius:6px;overflow:hidden;background:var(--bg)}
.tool figure{aspect-ratio:16/9;background:#000;overflow:hidden}
.tool figure img{width:100%;height:100%;object-fit:cover}
.tool .b{padding:1.3rem 1.3rem 1.5rem}
.tool .k{font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}
.tool h3{font-weight:500;font-size:1.05rem;margin:.35rem 0 .5rem}
.tool p{font-size:.85rem;color:var(--muted)}
.tool code{font-family:ui-monospace,Consolas,monospace;font-size:.78rem;color:var(--accent)}
.note{margin-top:2.5rem;font-size:.9rem;color:var(--muted);max-width:760px;border-left:2px solid var(--accent);padding-left:1rem}

/* ---------- En desarrollo ---------- */
.lab{display:grid;grid-template-columns:1.4fr 1fr;gap:1.25rem}
.lab figure{position:relative;border-radius:6px;overflow:hidden;background:#000}
.lab figure img{width:100%;height:100%;object-fit:cover}
.lab .big{grid-row:span 2;aspect-ratio:auto;min-height:100%}
.lab .sm{aspect-ratio:16/9}
.lab figcaption{position:absolute;left:.8rem;bottom:.8rem;font-size:.72rem;background:rgba(0,0,0,.6);padding:.25rem .65rem;border-radius:99px}
.wip{display:inline-flex;align-items:center;gap:.5rem;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);border:1px dashed var(--dim);border-radius:99px;padding:.3rem .8rem}

/* ---------- Capacidades ---------- */
.caps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.cap{background:var(--bg);padding:2rem 1.6rem}
.cap .n{font-size:.7rem;color:var(--accent);letter-spacing:.16em}
.cap h3{font-size:1.7rem;margin:.6rem 0 .8rem;line-height:1.1}
.cap p{font-size:.88rem;color:var(--muted);margin-bottom:1.2rem}
.cap ul{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem}
.cap li{font-size:.75rem;border:1px solid var(--line);border-radius:99px;padding:.2rem .65rem;color:var(--text)}

/* ---------- Sobre mí ---------- */
.about{display:grid;grid-template-columns:1fr 1fr;gap:4.5rem;align-items:start}
.about .txt p{color:var(--muted);font-size:1.02rem;margin-bottom:1.1rem}
.about .txt p strong{color:var(--text);font-weight:500}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2rem;padding-top:2rem;border-top:1px solid var(--line)}
.stats b{display:block;font-family:'Instrument Serif',serif;font-weight:400;font-size:2.6rem;line-height:1;color:var(--text)}
.stats span{font-size:.78rem;color:var(--muted)}
.timeline h3{font-size:1.6rem;margin-bottom:1rem}
.timeline > div + div{margin-top:3rem}
.tl{list-style:none}
.tl li{display:grid;grid-template-columns:120px 1fr;gap:1rem;padding:1rem 0;border-top:1px solid var(--line)}
.tl .y{font-size:.78rem;color:var(--dim);padding-top:.15rem}
.tl .r{font-weight:500;font-size:.95rem}
.tl .o{font-size:.84rem;color:var(--muted)}

/* ---------- Contacto ---------- */
#contact{border-top:1px solid var(--line);text-align:center;padding:8rem 0 6rem}
#contact h2{font-size:clamp(2.8rem,7vw,6rem)}
#contact p{color:var(--muted);margin:1.2rem auto 2.4rem;max-width:520px}
#contact .btns{justify-content:center}
footer{border-top:1px solid var(--line);padding:1.8rem 0;font-size:.75rem;color:var(--dim)}
footer .wrap{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}

/* ---------- Visor a pantalla completa ---------- */
dialog{border:0;padding:0;background:transparent;max-width:none;max-height:none;width:100vw;height:100vh;overflow:hidden}
dialog::backdrop{background:rgba(0,0,0,.93)}
.lb{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem 2rem}
.lb video{width:min(1400px,100%);max-height:80vh;background:#000;border-radius:4px}
.lb .cap-t{color:var(--text);margin-top:1rem;font-size:.95rem;text-align:center}
.lb .x{position:absolute;top:1.2rem;right:1.5rem;background:none;border:1px solid rgba(255,255,255,.3);color:#fff;width:44px;height:44px;border-radius:50%;font-size:1.3rem;cursor:pointer}

/* ---------- Animación de entrada ---------- */
.rv{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ---------- Tablet y móvil ---------- */
@media (max-width:1000px){
  .f-grid,.about,.lab{grid-template-columns:1fr;gap:2.5rem}
  .lab{gap:1rem}.lab .big{grid-row:auto;aspect-ratio:16/9}
  .bd-steps,.caps,.flow,.tools{grid-template-columns:1fr 1fr}
  .flow > div:nth-child(2){border-right:0}
  .flow > div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .flow > div:nth-child(2):not(:last-child)::after{display:none}
  .card,.card.big,.card.q{grid-column:span 6}
}
@media (max-width:720px){
  .wrap{padding:0 1rem}
  nav{padding:.8rem 1rem}
  .nav-links{display:none}
  section{padding:4.5rem 0}
  .case{padding:3.5rem 0}
  .hero-c{padding-bottom:2.5rem}
  .hero::after{background:linear-gradient(180deg,rgba(10,10,11,.5) 0%,rgba(10,10,11,.35) 30%,rgba(10,10,11,.7) 55%,var(--bg) 100%)}
  .hero-tag{text-align:left}
  .card,.card.big,.card.q{grid-column:span 12}
  .bd-steps,.caps,.flow,.tools{grid-template-columns:1fr}
  .flow > div{border-right:0;border-bottom:1px solid var(--line)}
  .flow > div:last-child{border-bottom:0}
  .flow > div:not(:last-child)::after{display:none}
  .facts{grid-template-columns:1fr}
  .stats b{font-size:2rem}
  .tl li{grid-template-columns:90px 1fr}
  .lb{padding:4rem .5rem 1rem}
}

/* ---------- Tarjetas de proyectos destacados (portada) ---------- */
.projs{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.proj{display:block;text-decoration:none;color:inherit}
.proj .thumb{aspect-ratio:4/5}
.proj .thumb::after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,10,11,.85),transparent 55%);z-index:1}
.proj .pi{position:absolute;left:1.3rem;right:1.3rem;bottom:1.3rem;z-index:2}
.proj .pk{font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.proj h3{font-size:2.1rem;line-height:1;margin:.5rem 0 .6rem}
.proj h3 i{color:var(--accent)}
.proj .pd{font-size:.85rem;color:#c9c7c3}
.proj .go{display:inline-block;margin-top:.9rem;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;border-bottom:1px solid var(--accent);padding-bottom:.15rem}
.proj:hover .go{color:var(--accent)}

/* ---------- Páginas de proyecto ---------- */
.page-top{padding:8rem 0 2.5rem}
.back{display:inline-flex;gap:.5rem;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);text-decoration:none;margin-bottom:2rem}
.back:hover{color:var(--text)}
.page-top h1{font-size:clamp(3rem,7vw,6rem);line-height:.95;letter-spacing:-.02em;margin:.8rem 0 0}
.page-top h1 i{color:var(--accent)}
.next{display:flex;justify-content:space-between;align-items:center;gap:2rem;border-top:1px solid var(--line);padding:3.5rem 0;text-decoration:none;color:inherit}
.next .serif{font-size:clamp(2rem,4vw,3.4rem);line-height:1}
.next .serif i{color:var(--accent)}
.next:hover .serif{color:var(--accent)}
.next .arr{font-size:2rem;color:var(--accent)}

@media (max-width:1000px){ .projs{grid-template-columns:1fr 1fr} .projs .proj:last-child{grid-column:span 2} .projs .proj:last-child .thumb{aspect-ratio:16/9} }
@media (max-width:720px){ .projs{grid-template-columns:1fr} .projs .proj:last-child{grid-column:auto} .proj .thumb{aspect-ratio:4/5} .page-top{padding:6rem 0 1.5rem} }