/* ==========================================================================
   INK FIRE — tema tipo «Neoto»
   Un solo archivo: base, tipografía, cursor, menú, slider y páginas.
   ========================================================================== */

:root{
  --ink:#16171a;          /* negro base */
  --ink-2:#1f2125;
  --paper:#ffffff;
  --muted:#8a8d93;
  --line:rgba(0,0,0,.12);
  --line-inv:rgba(255,255,255,.18);
  --accent:#e2542c;       /* brasa */
  --ease:cubic-bezier(.77,0,.175,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --pad:3.5rem;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-size:16px;line-height:1.5;font-weight:400;
  color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--accent);color:#fff}

h1,h2,h3,h4,h5,h6{margin:0;font-weight:400}
h6,.eyebrow{
  font-size:.9rem;letter-spacing:.05em;text-transform:uppercase;
  font-weight:400;line-height:1.4;
}
.massive{
  font-weight:900;
  font-size:clamp(3.25rem,10.5vw,10rem);
  line-height:.77;
  letter-spacing:-.07em;
}
.big{
  font-weight:900;
  font-size:clamp(2.25rem,5.5vw,4.5rem);
  line-height:.92;letter-spacing:-.045em;
}
.mid{font-weight:500;font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.15;letter-spacing:-.03em}
.lead{font-weight:300;font-size:clamp(1.15rem,1.9vw,1.6rem);line-height:1.45;letter-spacing:-.01em}
.d-block{display:block}
.mono{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
p{margin:0 0 1.15rem}
p:last-child{margin-bottom:0}

.wrap{width:100%;max-width:1360px;margin-inline:auto;padding-inline:var(--pad)}
.section{padding:clamp(5rem,12vh,9rem) 0}
.invert{color:#fff}
.invert .massive,.deck-slide .massive,.page-hero .massive{text-shadow:0 0 .25em rgba(0,0,0,.35)}
.invert .mono{color:rgba(255,255,255,.55)}

/* ---------- carga de página / transición ------------------------------- */
.veil{
  position:fixed;inset:0;background:var(--ink);z-index:9000;
  transform-origin:top;pointer-events:none;
}
body.is-loading .veil{transform:scaleY(1)}
.veil{transform:scaleY(0);transition:transform .7s var(--ease)}
body.is-loading .veil{transition:none}
body.is-leaving .veil{transform:scaleY(1);transform-origin:bottom}
body.is-loading .site-header{opacity:0}
.site-header{opacity:1;transition:opacity .6s ease .15s}

/* ---------- cursor ------------------------------------------------------ */
.cursor,.cursor-ring{
  position:fixed;top:0;left:0;z-index:8000;pointer-events:none;
  border-radius:50%;mix-blend-mode:difference;
  will-change:transform;
}
.cursor{width:6px;height:6px;background:#fff;margin:-3px 0 0 -3px}
.cursor-ring{
  width:38px;height:38px;margin:-19px 0 0 -19px;border:1px solid rgba(255,255,255,.6);
  transition:width .3s var(--ease-out),height .3s var(--ease-out),margin .3s var(--ease-out),opacity .3s;
  display:grid;place-items:center;
  font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:#fff;
}
.cursor-ring span{opacity:0;transition:opacity .25s}
body.cursor-hover .cursor-ring{width:64px;height:64px;margin:-32px 0 0 -32px}
body.cursor-drag .cursor-ring{width:88px;height:88px;margin:-44px 0 0 -44px;background:rgba(255,255,255,.08)}
body.cursor-drag .cursor-ring span{opacity:1}
@media (hover:none),(pointer:coarse){.cursor,.cursor-ring{display:none}}

/* ---------- header ------------------------------------------------------ */
.site-header{
  position:fixed;inset:0 0 auto;z-index:600;
  display:flex;align-items:center;justify-content:space-between;
  padding:2.25rem var(--pad);
  mix-blend-mode:normal;
}
.brand{display:flex;align-items:baseline;font-size:.82rem}
/* La flama hace de «i» en «fire»: el espacio de la izquierda lo pone el
   interletrado de la «f»; el de la derecha, este margen. */
.brand img{height:1.2em;width:auto;margin-right:.42em}
.brand .word{
  font-family:'Lexend Giga',Inter,sans-serif;font-size:1em;font-weight:400;
  letter-spacing:.42em;text-transform:lowercase;color:var(--ink);
  transition:color .4s ease;
}
/* el archivo de la flama es blanco: en fondo claro se pinta de negro */
.brand .mark{filter:brightness(0);transition:filter .4s ease}
.on-dark .brand .word,.menu-open .brand .word{color:#fff}
.on-dark .brand .mark,.menu-open .brand .mark{filter:none}

.burger{display:flex;align-items:center;gap:1rem;position:relative;z-index:2}
.burger-label{position:relative;display:inline-block;height:1em;min-width:4.4em;text-align:right;overflow:hidden}
.burger-label span{
  display:block;font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;
  transition:transform .45s var(--ease);
}
.burger-label .close{position:absolute;inset:0;transform:translateY(110%)}
.menu-open .burger-label .open{transform:translateY(-110%)}
.menu-open .burger-label .close{transform:translateY(0)}
.burger-icon{position:relative;width:34px;height:12px}
.burger-icon i{
  position:absolute;left:0;width:100%;height:1px;background:var(--ink);
  transition:transform .45s var(--ease),background .4s ease;
}
.burger-icon i:first-child{top:3px}
.burger-icon i:last-child{top:9px}
.on-dark .burger,.menu-open .burger{color:#fff}
.on-dark .burger-icon i,.menu-open .burger-icon i{background:#fff}
.menu-open .burger-icon i:first-child{transform:translateY(3px) rotate(45deg)}
.menu-open .burger-icon i:last-child{transform:translateY(-3px) rotate(-45deg)}

/* ---------- menú overlay ------------------------------------------------ */
.overlay{
  position:fixed;inset:0;z-index:500;background:var(--ink);
  clip-path:inset(0 0 100% 0);
  transition:clip-path .8s var(--ease);
  display:flex;flex-direction:column;justify-content:center;
  visibility:hidden;
}
.menu-open .overlay{clip-path:inset(0 0 0 0);visibility:visible}
.overlay-inner{
  display:flex;justify-content:space-between;align-items:flex-end;gap:3rem;
  flex-wrap:wrap;
}
.overlay-nav{list-style:none;margin:0;padding:0;text-align:right;margin-left:auto}
.overlay-nav li{overflow:hidden}
.overlay-nav > li > a,.overlay-nav > li > .sub-toggle{
  display:inline-block;color:#fff;font-weight:300;
  font-size:clamp(2rem,4.6vw,3.4rem);line-height:1.35;letter-spacing:-.02em;
  transform:translateY(105%);opacity:0;
  transition:transform .7s var(--ease),opacity .7s var(--ease),color .3s ease;
}
.menu-open .overlay-nav > li > a,.menu-open .overlay-nav > li > .sub-toggle{transform:translateY(0);opacity:1}
.menu-open .overlay-nav li:nth-child(1) > *{transition-delay:.18s}
.menu-open .overlay-nav li:nth-child(2) > *{transition-delay:.24s}
.menu-open .overlay-nav li:nth-child(3) > *{transition-delay:.30s}
.menu-open .overlay-nav li:nth-child(4) > *{transition-delay:.36s}
.menu-open .overlay-nav li:nth-child(5) > *{transition-delay:.42s}
.overlay-nav a:hover{color:var(--accent)}
.overlay-nav .has-sub{position:relative}
.overlay-nav .sub-toggle{font-size:1.6rem;font-weight:300;margin-left:.6rem;line-height:1;transition:transform .4s var(--ease),color .3s}
.overlay-nav .sub-toggle:hover{color:var(--accent)}
.menu-open .overlay-nav .sub-toggle.is-on{transform:rotate(45deg)}
.overlay-sub{
  list-style:none;margin:0;padding:0;max-height:0;overflow:hidden;
  transition:max-height .5s var(--ease);
}
.overlay-sub.is-open{max-height:16rem}
.overlay-sub a{
  display:block;color:rgba(255,255,255,.55);font-size:1rem;font-weight:300;
  letter-spacing:.02em;padding:.28rem 0;transition:color .3s;
}
.overlay-sub a:hover{color:#fff}
.overlay-aside{color:rgba(255,255,255,.6);font-size:.9rem;font-weight:300;max-width:22rem}
.overlay-aside .mono{margin-bottom:.2rem;display:block}
.overlay-aside p{margin-bottom:1.1rem}
.overlay-aside a:hover{color:#fff}
.social{display:inline-flex;gap:1.1rem;align-items:center}
.social a{display:inline-flex;opacity:.6;transition:opacity .3s ease,transform .3s var(--ease-out)}
.social a:hover{opacity:1;transform:translateY(-2px)}
.ico{width:19px;height:19px;stroke:currentColor;fill:none;stroke-width:1.25;stroke-linecap:round;stroke-linejoin:round}
.overlay-social{margin-top:1.8rem}
@media (max-width:768px){
  .overlay-inner{flex-direction:column;align-items:flex-start}
  .overlay-nav{text-align:left;margin-left:0}
}

/* ---------- slider portada --------------------------------------------- */
.deck{position:relative;height:100svh;overflow:hidden;background:var(--ink);cursor:none}
.deck-track{display:flex;height:100%;will-change:transform;transition:transform 1s var(--ease)}
.deck-slide{position:relative;flex:0 0 100%;height:100%;display:grid;place-items:center;overflow:hidden}
.deck-bg{position:absolute;inset:0;overflow:hidden}
.deck-bg img,.deck-bg video{
  width:100%;height:100%;object-fit:cover;opacity:0;
  filter:grayscale(.3) contrast(1.06);
  transform:scale(1.12);transition:transform 1.6s var(--ease),opacity 1s ease 1s;
}
.deck-slide.is-active .deck-bg img{opacity:.5}
.deck-slide.is-active .deck-bg img,.deck-slide.is-active .deck-bg video{transform:scale(1)}
.deck-bg video{position:absolute;inset:0;opacity:0}
.deck-slide.is-active .deck-bg video.is-playing{opacity:.5}
.deck-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(105deg,rgba(0,0,0,.82),rgba(0,0,0,.34) 55%,rgba(0,0,0,.66))}
.deck-body{position:relative;z-index:2;width:100%;padding-inline:var(--pad);color:#fff;text-align:left}
.tilt{display:block;will-change:transform;transition:transform .6s var(--ease-out)}
.deck-slide .massive{text-indent:-.039em}
.deck-slide .massive .d-block{display:block}
/* Cada elemento entra desde la izquierda, escalonado, como en la referencia. */
.deck-slide h6,.deck-slide .massive,.deck-slide .deck-note,.deck-slide .deck-cta{
  opacity:0;transform:translateX(-20px);
}
.deck-slide h6{transition:1s .45s}
.deck-slide .massive{transition:1s .9s}
.deck-slide .deck-note{transition:1s 1.35s}
.deck-slide .deck-cta{transition:1s 1.8s}
.deck-slide.is-active h6,.deck-slide.is-active .massive,
.deck-slide.is-active .deck-note,.deck-slide.is-active .deck-cta{opacity:1;transform:none}
.deck-note{max-width:30rem;margin-top:1.6rem;font-weight:300;color:rgba(255,255,255,.9)}
.deck-cta{
  display:inline-flex;align-items:center;gap:.7rem;margin-top:2rem;
  font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;color:#fff;
}
.deck-cta::after{content:'';width:2.5rem;height:1px;background:currentColor;transition:width .4s var(--ease)}
.deck-cta:hover::after{width:4rem}

.deck-ui{
  position:absolute;inset:auto 0 0;z-index:3;color:#fff;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 var(--pad) 2.25rem;font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
}
.deck-count{display:flex;align-items:baseline;gap:.55rem}
.deck-count b{font-size:1rem;font-weight:500;letter-spacing:0}
.deck-count i{font-style:normal;opacity:.4}
.deck-count s{text-decoration:none;opacity:.4}
.deck-legal{opacity:.5;letter-spacing:.06em;text-transform:none;font-size:.75rem}
.deck-follow{display:flex}
.deck-arrows{position:absolute;inset:0;z-index:3;pointer-events:none}
.deck-arrows button{
  position:absolute;top:50%;transform:translateY(-50%);pointer-events:auto;
  width:5rem;height:5rem;color:#fff;opacity:.35;transition:opacity .3s;cursor:none;
}
.deck-arrows button:hover{opacity:1}
.deck-arrows .prev{left:calc(var(--pad) - 2.5rem)}
.deck-arrows .next{right:calc(var(--pad) - 2.5rem)}
.deck-progress{position:absolute;left:0;bottom:0;height:2px;background:var(--accent);z-index:4;width:0;transition:width .3s linear}
@media (max-width:768px){
  .deck-ui{font-size:.62rem;padding-bottom:1.5rem}
  .deck-legal{display:none}
  .deck-arrows{display:none}
}

/* ---------- hero de páginas internas ------------------------------------ */
.page-hero{
  position:relative;min-height:78svh;display:flex;align-items:center;
  overflow:hidden;color:#fff;
}
.page-hero .bg{position:absolute;inset:0}
.page-hero .bg img{width:100%;height:100%;object-fit:cover;opacity:.45;filter:grayscale(.3) contrast(1.06);transform:scale(1.08);animation:slowzoom 14s var(--ease-out) forwards}
.page-hero .bg::after{content:'';position:absolute;inset:0;background:linear-gradient(105deg,rgba(0,0,0,.72),rgba(0,0,0,.32) 58%,rgba(0,0,0,.6))}
.page-hero .wrap{position:relative;z-index:2;padding-top:8rem;padding-bottom:4rem}
@keyframes slowzoom{to{transform:scale(1)}}
.page-hero .lead{max-width:36rem;color:rgba(255,255,255,.82)}
.page-head{padding:10rem 0 3rem}
.page-head .big span{display:block}

/* ---------- revelados al hacer scroll ----------------------------------- */
[data-reveal]{opacity:0;transform:translateY(2.2rem);transition:opacity .9s var(--ease-out),transform .9s var(--ease-out)}
[data-reveal].is-in{opacity:1;transform:none}
[data-reveal-line]{overflow:hidden;padding-bottom:.14em;margin-bottom:-.14em}
[data-reveal-line] > *{display:block;transform:translateY(105%);transition:transform 1s var(--ease)}
[data-reveal-line].is-in > *{transform:translateY(0)}

/* ---------- rejillas ----------------------------------------------------- */
.grid{display:grid;gap:2.5rem}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.grid-3{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}}

.feature .icon{width:26px;height:26px;margin-bottom:1.4rem;stroke:var(--ink);fill:none;stroke-width:1.4}
.feature h3{font-size:1.5rem;font-weight:500;letter-spacing:-.03em;margin-bottom:.9rem}
.feature p{color:var(--muted);font-weight:300}

/* piezas / portafolio */
.work{position:relative;display:block;overflow:hidden;background:var(--ink)}
.work img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease-out),opacity .6s ease;opacity:.9}
.work:hover img{transform:scale(1.06);opacity:.45}
.work-cap{
  position:absolute;inset:auto 0 0;padding:2rem;color:#fff;
  transform:translateY(1rem);opacity:0;transition:all .6s var(--ease-out);
}
.work:hover .work-cap{transform:none;opacity:1}
.work-cap h3{font-size:1.75rem;font-weight:500;letter-spacing:-.03em}
.work-cap p{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.7);margin:.4rem 0 0}
.work-tall{aspect-ratio:3/4}
.work-wide{aspect-ratio:16/10}
.work-square{aspect-ratio:1}
.masonry{display:grid;grid-template-columns:repeat(12,1fr);gap:2rem}
.masonry .c4{grid-column:span 4}
.masonry .c5{grid-column:span 5}
.masonry .c6{grid-column:span 6}
.masonry .c7{grid-column:span 7}
.masonry .c8{grid-column:span 8}
.masonry .offset{margin-top:5rem}
@media (max-width:900px){
  .masonry{grid-template-columns:1fr;gap:1.25rem}
  .masonry > *{grid-column:1/-1 !important;margin-top:0 !important}
}

/* filtros */
.filters{display:flex;flex-wrap:wrap;gap:2rem;margin-bottom:3.5rem}
.filters button{
  font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);
  position:relative;padding-bottom:.4rem;transition:color .3s;
}
.filters button::after{content:'';position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--ink);transition:width .4s var(--ease)}
.filters button.is-on{color:var(--ink)}
.filters button.is-on::after{width:100%}

/* cita */
.quote{background:var(--ink);color:#fff}
.quote blockquote{margin:0;max-width:52rem}
.quote cite{display:block;margin-top:2rem;font-style:normal;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.5)}

/* equipo */
.member{position:relative;overflow:hidden}
.member img{width:100%;aspect-ratio:3/4;object-fit:cover;filter:grayscale(1);transition:filter .8s var(--ease-out),transform 1.2s var(--ease-out)}
.member:hover img{filter:grayscale(0);transform:scale(1.04)}
.member .role{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-top:1.2rem}
.member .name{font-size:1.5rem;font-weight:500;letter-spacing:-.03em;margin-top:.3rem}

/* marquee */
.marquee{overflow:hidden;border-block:1px solid var(--line);padding:1.6rem 0}
.marquee-inner{display:flex;gap:4rem;white-space:nowrap;animation:slide 32s linear infinite;width:max-content}
.marquee span{font-size:clamp(1.5rem,3vw,2.5rem);font-weight:900;letter-spacing:-.045em;color:var(--muted)}
@keyframes slide{to{transform:translateX(-50%)}}

/* números */
.stats{display:flex;flex-wrap:wrap;gap:4rem}
.stat b{display:block;font-size:clamp(2.5rem,5vw,4rem);font-weight:900;letter-spacing:-.06em;line-height:1}
.stat span{font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}

/* servicios / lista */
.rows{border-top:1px solid var(--line)}
.row{
  display:grid;grid-template-columns:5rem 1fr 1.1fr;gap:2rem;align-items:start;
  padding:2.5rem 0;border-bottom:1px solid var(--line);transition:padding-left .5s var(--ease);
}
.row:hover{padding-left:1.25rem}
.row .num{font-size:.72rem;letter-spacing:.18em;color:var(--muted);padding-top:.6rem}
.row h3{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:500;letter-spacing:-.035em}
.row p{color:var(--muted);font-weight:300}
@media (max-width:800px){.row{grid-template-columns:1fr;gap:.9rem}.row .num{padding-top:0}}

/* formulario */
.form{display:grid;gap:1rem;max-width:34rem}
.form input,.form select,.form textarea{
  width:100%;padding:1.1rem 1.25rem;border:1px solid var(--line-inv);
  background:rgba(255,255,255,.06);color:#fff;font:inherit;font-weight:300;
  border-radius:0;transition:border-color .3s,background .3s;
}
.form input::placeholder,.form textarea::placeholder{color:rgba(255,255,255,.45)}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:#fff;background:rgba(255,255,255,.12)}
.form select option{color:#111}
.form textarea{min-height:9rem;resize:vertical}
.btn{
  display:inline-flex;align-items:center;gap:.9rem;padding:1.1rem 2rem;
  background:#fff;color:var(--ink);font-size:.75rem;letter-spacing:.2em;text-transform:uppercase;
  transition:background .4s var(--ease),color .4s var(--ease);justify-self:start;
}
.btn:hover{background:var(--accent);color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--accent)}

/* datos de contacto */
.info{display:grid;gap:2.4rem}
.info .mono{display:block;margin-bottom:.4rem}
.info a:hover{color:var(--accent)}

/* pie */
.site-footer{background:var(--ink);color:rgba(255,255,255,.6);padding:5rem 0 2.5rem}
.site-footer .top{display:flex;justify-content:space-between;gap:3rem;flex-wrap:wrap;align-items:flex-end}
.site-footer .big{color:#fff;max-width:16em}
.site-footer nav{display:flex;gap:1.6rem;flex-wrap:wrap;align-items:center;font-size:.75rem;letter-spacing:.16em;text-transform:uppercase}
.footer-social{margin-left:auto}
.site-footer nav a:hover,.site-footer .top a:hover{color:#fff}
.site-footer .bottom{
  display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;
  margin-top:4rem;padding-top:1.6rem;border-top:1px solid var(--line-inv);
  font-size:.75rem;
}

/* typewriter */
.typing::after{content:'';display:inline-block;width:.06em;height:.78em;background:currentColor;margin-left:.06em;animation:blink 1s steps(1) infinite;vertical-align:baseline}
@keyframes blink{50%{opacity:0}}

/* whatsapp flotante */
.page-home .wa{display:none}
.wa{
  position:fixed;right:1.6rem;bottom:1.6rem;z-index:400;
  width:3.4rem;height:3.4rem;display:grid;place-items:center;border-radius:50%;
  background:#25d366;color:#fff;box-shadow:0 10px 30px rgba(0,0,0,.25);
  transform:translateY(150%);transition:transform .6s var(--ease);
}
.wa.is-in{transform:none}
.wa svg{width:1.6rem;height:1.6rem;fill:currentColor}

@media (max-width:768px){:root{--pad:1.5rem}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
  [data-reveal]{opacity:1;transform:none}
  [data-reveal-line] > *{transform:none}
  .deck-slide h6,.deck-slide .massive,.deck-slide .deck-note,.deck-slide .deck-cta{
    opacity:1;transform:none;transition:none;
  }
  .deck-bg img{opacity:.5;transition:none}
}