/* =========================================================
   mandresdll.cl — Portafolio estático
   Paleta clara: arena + tinta grafito + acento terracota único
   Tipografía: Satoshi (display/cuerpo) + JetBrains Mono (etiquetas)
   ========================================================= */

:root{
  --paper:      #F7F4EF;
  --paper-2:    #FFFFFF;
  --paper-3:    #EFEAE1;
  --paper-4:    #E7E1D6;

  --ink:        #17161A;
  --ink-soft:   #45424A;
  --muted:      #6E6960;

  --line:       rgba(23,22,26,.11);
  --line-2:     rgba(23,22,26,.20);

  --accent:     #C2512A;
  --accent-2:   #A63F1D;
  --accent-wash:rgba(194,81,42,.09);

  --wrap: 1400px;
  --pad: clamp(1.25rem, 4vw, 4.5rem);
  --sec: clamp(5.5rem, 11vw, 11rem);

  --ease: cubic-bezier(.16,1,.3,1);

  --f-display: "Satoshi", "Outfit", ui-sans-serif, system-ui, "Segoe UI", Helvetica, Arial, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
}

*,*::before,*::after{ box-sizing:border-box; }

html{
  scroll-behavior:smooth;
  scroll-padding-top:6.5rem;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-display);
  font-size:clamp(1rem,.96rem + .18vw,1.075rem);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

.shell{ width:100%; max-width:100%; overflow-x:clip; }
.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--pad); }

img,svg{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul,ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3{ margin:0; font-weight:700; letter-spacing:-.03em; line-height:1.04; }
p{ margin:0; }
button{ font:inherit; color:inherit; }

.mono{ font-family:var(--f-mono); font-size:.68rem; letter-spacing:.14em; text-transform:uppercase; font-weight:400; }
.muted{ color:var(--muted); max-width:62ch; line-height:1.7; }

.h2{ font-size:clamp(2rem,1.2rem + 2.6vw,3.5rem); letter-spacing:-.035em; }
.h3{ font-size:clamp(1.25rem,1rem + .9vw,1.7rem); letter-spacing:-.025em; }
.h3--mt{ margin-top:3rem; }

.skip{ position:absolute; left:-999px; top:0; z-index:200; background:var(--accent); color:#fff; padding:.75rem 1.25rem; font-weight:700; }
.skip:focus{ left:1rem; top:1rem; }
:focus-visible{ outline:2px solid var(--accent); outline-offset:3px; border-radius:3px; }

/* grano tenue, fijo, sin repintar en scroll */
.grain{
  position:fixed; inset:0; z-index:60; pointer-events:none; opacity:.030;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
}

/* =========================================================
   LOGO
   ========================================================= */
.logo{ display:inline-flex; align-items:center; color:var(--accent); }
.logo__mark{ width:2.6rem; height:2.6rem; flex:none; transition:transform .4s var(--ease); }
.logo__mark svg{ width:100%; height:100%; }
.logo:hover .logo__mark{ transform:rotate(-4deg) scale(1.05); }
.foot .logo__mark{ width:3rem; height:3rem; }

/* =========================================================
   BOTONES
   ========================================================= */
.btn{
  --bg:transparent; --fg:var(--ink); --bd:var(--line-2);
  display:inline-flex; align-items:center; gap:.65rem;
  padding:.95rem 1.6rem; border-radius:999px;
  background:var(--bg); color:var(--fg); border:1px solid var(--bd);
  font-weight:500; font-size:.95rem; letter-spacing:-.01em; cursor:pointer;
  transition:background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease), transform .2s var(--ease);
  will-change:transform;
}
.btn--solid{ --bg:var(--accent); --fg:#FFF7F3; --bd:var(--accent); font-weight:700; }
.btn--solid:hover{ --bg:var(--accent-2); --bd:var(--accent-2); }
.btn--ghost:hover{ --bd:var(--ink); background:rgba(23,22,26,.045); }
.btn--lg{ padding:1.15rem 2rem; font-size:1.05rem; }
.btn--sm{ padding:.62rem 1.1rem; font-size:.85rem; }
.btn:active{ transform:translateY(1px) scale(.985); }
.btn__meta{ font-family:var(--f-mono); font-size:.6rem; letter-spacing:.14em; opacity:.65; border-left:1px solid currentColor; padding-left:.65rem; }

/* =========================================================
   NAV
   ========================================================= */
.nav{ position:fixed; inset:.9rem 0 auto; z-index:80; pointer-events:none; }
.nav__inner{
  pointer-events:auto;
  width:min(var(--wrap), calc(100% - 2rem));
  margin-inline:auto;
  display:flex; align-items:center; gap:1.5rem;
  padding:.55rem .55rem .55rem 1rem;
  border-radius:999px; border:1px solid transparent;
  transition:background .5s var(--ease), border-color .5s var(--ease), box-shadow .5s var(--ease);
}
.nav.is-stuck .nav__inner{
  background:rgba(255,255,255,.78);
  backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  border-color:var(--line);
  box-shadow:0 14px 34px -22px rgba(23,22,26,.35);
}
.nav__brand{ margin-right:auto; }
.nav__links{ display:flex; gap:.2rem; }
.nav__links a{
  padding:.5rem .8rem; border-radius:999px; font-size:.88rem; color:var(--ink-soft);
  transition:color .3s var(--ease), background .3s var(--ease);
}
.nav__links a:hover, .nav__links a.is-active{ color:var(--accent); background:var(--accent-wash); }

.nav__burger{
  display:none; width:2.6rem; height:2.6rem; border-radius:999px;
  background:var(--paper-2); border:1px solid var(--line-2); cursor:pointer;
  flex-direction:column; align-items:center; justify-content:center; gap:.32rem;
}
.nav__burger span{ display:block; width:1.05rem; height:1.6px; background:var(--ink); border-radius:2px; transition:transform .35s var(--ease); }
.nav__burger[aria-expanded="true"] span:first-child{ transform:translateY(4.6px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:last-child{ transform:translateY(-4.6px) rotate(-45deg); }

.mobilemenu{
  position:fixed; inset:0; z-index:75; background:var(--paper);
  display:flex; flex-direction:column; justify-content:center; gap:2rem;
  padding:6.5rem var(--pad) 3rem;
}
.mobilemenu[hidden]{ display:none; }
.mobilemenu nav{ display:flex; flex-direction:column; }
.mobilemenu nav a{
  font-size:clamp(1.85rem,8vw,2.5rem); font-weight:700; letter-spacing:-.04em;
  padding:.5rem 0; border-bottom:1px solid var(--line);
}
.mobilemenu__foot{ display:flex; flex-direction:column; gap:.4rem; color:var(--muted); font-family:var(--f-mono); font-size:.78rem; }

/* =========================================================
   HERO
   ========================================================= */
.hero{ position:relative; min-height:100dvh; display:flex; align-items:center; padding:9rem 0 4rem; }
.hero__wash{
  position:absolute; inset:0; z-index:-1; pointer-events:none;
  background:
    radial-gradient(58rem 38rem at 80% 14%, rgba(194,81,42,.13), transparent 62%),
    radial-gradient(46rem 32rem at 4% 92%, rgba(120,132,120,.10), transparent 62%),
    linear-gradient(180deg,#FBF9F5 0%, var(--paper) 60%);
}
.hero__grid{ display:grid; grid-template-columns:1.32fr .68fr; gap:clamp(2rem,4vw,3.75rem); align-items:center; }
.hero__eyebrow{
  display:inline-flex; align-items:center; gap:.6rem;
  font-family:var(--f-mono); font-size:.68rem; letter-spacing:.16em; text-transform:uppercase;
  color:var(--muted); margin-bottom:1.75rem;
}
.hero__eyebrow .dot{ width:.45rem; height:.45rem; border-radius:999px; background:var(--accent); animation:breathe 3.2s ease-in-out infinite; }
@keyframes breathe{ 0%,100%{ opacity:1; transform:scale(1);} 50%{ opacity:.35; transform:scale(.65);} }

.hero__title{ font-size:clamp(2.35rem,1.05rem + 3.9vw,4.4rem); font-weight:900; letter-spacing:-.045em; line-height:1.02; max-width:24ch; }
.hero__lead{ margin-top:1.9rem; max-width:56ch; color:var(--ink-soft); font-size:clamp(1rem,.95rem + .3vw,1.18rem); line-height:1.65; }
.hero__actions{ margin-top:2.75rem; display:flex; flex-wrap:wrap; gap:.85rem; }

.hero__visual{ position:relative; height:min(34rem,60vh); }
.shot{
  position:absolute; margin:0; overflow:hidden; border-radius:1.15rem;
  border:1px solid var(--line); background:var(--paper-3);
  box-shadow:0 34px 60px -34px rgba(23,22,26,.42);
}
.shot img{ width:100%; height:100%; object-fit:cover; object-position:top center; }
.shot--a{ width:78%; aspect-ratio:16/10; top:2%; right:0; z-index:3; }
.shot--b{ width:56%; aspect-ratio:16/10; bottom:6%; left:0; z-index:4; }
.shot--c{ width:44%; aspect-ratio:4/3; bottom:34%; right:-4%; z-index:2; }

/* =========================================================
   MARQUEE
   ========================================================= */
.marquee{ border-block:1px solid var(--line); padding:1.35rem 0; overflow:hidden; background:var(--paper-3); }
.marquee__track{ display:flex; width:max-content; will-change:transform; }
.marquee__row{ display:flex; align-items:center; gap:2.5rem; padding-right:2.5rem; }
.marquee__row span{ font-family:var(--f-mono); font-size:.76rem; letter-spacing:.16em; text-transform:uppercase; color:var(--ink-soft); white-space:nowrap; }
.marquee__row i{ width:.3rem; height:.3rem; border-radius:999px; background:var(--accent); flex:none; }

/* =========================================================
   CIFRAS
   ========================================================= */
.figures{ padding-block:clamp(3.5rem,7vw,6rem); }
.stats{ display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid var(--line); }
.stat{ padding:1.75rem 1.5rem 0 0; border-right:1px solid var(--line); }
.stat:last-child{ border-right:0; }
.stat b{
  display:block; font-family:var(--f-mono); font-weight:500; line-height:1;
  font-size:clamp(1.9rem,1.2rem + 2vw,3rem); letter-spacing:-.04em; color:var(--accent);
}
.stat span{ display:block; margin-top:.75rem; font-size:.85rem; color:var(--muted); line-height:1.5; max-width:22ch; }

/* =========================================================
   BLOQUE TIPO TRAYECTORIA (trabajos + experiencia)
   ========================================================= */
.track{ padding-block:var(--sec); border-top:1px solid var(--line); }
.track__grid{ display:grid; grid-template-columns:.82fr 1.18fr; gap:clamp(2.5rem,6vw,6.5rem); align-items:start; }
.track__aside{ position:sticky; top:8rem; display:grid; gap:1.5rem; justify-items:start; }
.track__aside .h2{ max-width:15ch; }
.track__legend{ margin-top:.5rem; width:100%; border-top:1px solid var(--line); }
.track__legend li{
  display:flex; justify-content:space-between; gap:1rem; align-items:baseline;
  padding:.8rem 0; border-bottom:1px solid var(--line); font-size:.9rem; color:var(--ink-soft);
}
.track__legend span{ font-family:var(--f-mono); font-size:.62rem; letter-spacing:.14em; text-transform:uppercase; color:var(--muted); }

/* línea que se dibuja al hacer scroll */
.track__list{ position:relative; padding-left:0; }
.track__rail{
  position:absolute; left:-1.75rem; top:0; bottom:0; width:2px; background:var(--line);
  border-radius:2px; overflow:hidden;
}
.track__rail i{ position:absolute; inset:0 0 auto 0; height:100%; background:var(--accent); transform:scaleY(0); transform-origin:top; }

.entry{ padding:clamp(1.9rem,3.4vw,3rem) 0; border-top:1px solid var(--line); }
.entry:first-child{ border-top:0; padding-top:0; }
.entry:last-child{ border-bottom:1px solid var(--line); }
.entry__meta{ display:flex; align-items:center; gap:1.1rem; color:var(--muted); }
.entry__meta .mono:first-child{ color:var(--accent); }
.entry__title{ margin-top:.8rem; font-size:clamp(1.3rem,1rem + 1.15vw,2.1rem); letter-spacing:-.032em; line-height:1.18; }
.entry__title span{ display:block; margin-top:.4rem; font-size:.92rem; font-weight:400; letter-spacing:-.01em; color:var(--ink-soft); }
.entry__title a{ transition:color .3s var(--ease); }
.entry__title a:hover{ color:var(--accent); }
.entry__desc{ margin-top:1rem; color:var(--muted); max-width:60ch; line-height:1.68; }
.entry__bullets{ margin-top:1.2rem; display:grid; gap:.55rem; }
.entry__bullets li{ position:relative; padding-left:1.35rem; color:var(--muted); font-size:.94rem; line-height:1.6; max-width:64ch; }
.entry__bullets li::before{ content:""; position:absolute; left:0; top:.68rem; width:.5rem; height:1px; background:var(--line-2); }

.entry__media{
  display:block; margin-top:1.6rem; overflow:hidden; border-radius:1.1rem; aspect-ratio:16/10;
  border:1px solid var(--line); background:var(--paper-3);
  box-shadow:0 30px 55px -38px rgba(23,22,26,.45);
}
.entry__media img{ width:100%; height:100%; object-fit:cover; object-position:top center; transition:transform .7s var(--ease); will-change:transform; }
.entry__media:hover img{ transform:scale(1.04); }

/* La captura nunca se vela ni se recorta: entra con el bloque que la
   contiene y se queda a opacidad 1. El único movimiento propio es un
   parallax interno de la imagen, que no altera el marco. */

.tags{ display:flex; flex-wrap:wrap; gap:.45rem; margin-top:1.35rem; }
.tags li{
  padding:.35rem .8rem; border-radius:999px; border:1px solid var(--line-2);
  font-family:var(--f-mono); font-size:.6rem; letter-spacing:.12em; text-transform:uppercase; color:var(--ink-soft);
}
.entry__link{
  display:inline-flex; align-items:center; gap:.5rem; margin-top:1.5rem;
  font-family:var(--f-mono); font-size:.7rem; letter-spacing:.12em; text-transform:uppercase;
  color:var(--accent); border-bottom:1px solid rgba(194,81,42,.35); padding-bottom:.3rem;
  transition:border-color .3s var(--ease), gap .3s var(--ease);
}
.entry__link svg{ width:.85rem; height:.85rem; }
.entry__link:hover{ border-color:var(--accent); gap:.85rem; }

/* =========================================================
   BENTO — 4 col x 3 filas, sin celdas vacías
   ========================================================= */
.caps{ padding-block:var(--sec); border-top:1px solid var(--line); }
.caps__head{ display:grid; gap:1.25rem; margin-bottom:clamp(2.5rem,5vw,4rem); }
.caps__head .h2{ max-width:16ch; }

.bento{ display:grid; grid-template-columns:repeat(4,1fr); grid-auto-flow:dense; gap:.75rem; }
.cell{
  border:1px solid var(--line); border-radius:1.5rem;
  padding:clamp(1.5rem,2.6vw,2.25rem);
  background:var(--paper-2);
  box-shadow:0 18px 40px -32px rgba(23,22,26,.30);
  display:flex; flex-direction:column;
  transition:border-color .45s var(--ease), transform .45s var(--ease), box-shadow .45s var(--ease);
}
.cell:hover{ border-color:var(--line-2); transform:translateY(-3px); box-shadow:0 26px 50px -32px rgba(23,22,26,.38); }
.cell__top{ margin-bottom:1.5rem; color:var(--accent); }
.cell h3{ font-size:clamp(1.15rem,.95rem + .7vw,1.7rem); letter-spacing:-.03em; line-height:1.16; }
.cell p{ margin-top:.9rem; color:var(--muted); font-size:.94rem; line-height:1.65; }
.cell--a{ grid-column:span 2; grid-row:span 2; }
.cell--b{ grid-column:span 2; grid-row:span 1; }
.cell--c{ grid-column:span 1; grid-row:span 1; }
.cell--d{ grid-column:span 1; grid-row:span 1; }
.cell--e{ grid-column:span 4; grid-row:span 1; overflow:hidden; }
.cell--a h3{ max-width:16ch; }

.cell__viz{ margin-top:auto; padding-top:2.5rem; display:grid; gap:.85rem; }
.viz-bar{ display:grid; grid-template-columns:1fr auto; align-items:center; gap:1rem; }
.viz-bar i{ display:block; height:.32rem; border-radius:999px; background:var(--accent); width:var(--w); transform-origin:left; }
.viz-bar span{ color:var(--muted); }

.cell__stream{ display:flex; gap:.7rem; overflow-x:auto; padding-bottom:.4rem; scrollbar-width:thin; }
.stream__item{
  flex:0 0 auto; min-width:15rem;
  border:1px solid var(--line); border-radius:1rem; padding:1.05rem 1.2rem; background:var(--paper);
}
.stream__item b{ display:block; font-size:.97rem; letter-spacing:-.02em; }
.stream__item span{ display:block; margin-top:.3rem; color:var(--muted); font-size:.82rem; }

/* =========================================================
   ARCHIVO — huincha de tarjetas
   ========================================================= */
.reel{ padding-block:var(--sec); border-top:1px solid var(--line); overflow:hidden; }
.reel__head{
  display:grid; grid-template-columns:1fr auto; gap:1.5rem 2rem; align-items:end;
  margin-bottom:clamp(2.25rem,4vw,3.25rem);
}
.reel__head .h2{ max-width:14ch; }
.reel__head .muted{ margin-top:1rem; }
.reel__nav{ display:flex; gap:.5rem; }
.reel__btn{
  width:3rem; height:3rem; border-radius:999px; border:1px solid var(--line-2);
  background:var(--paper-2); display:grid; place-items:center; cursor:pointer;
  transition:background .3s var(--ease), border-color .3s var(--ease), transform .2s var(--ease), opacity .3s var(--ease);
}
.reel__btn svg{ width:1.1rem; height:1.1rem; }
.reel__btn:hover{ background:var(--accent); border-color:var(--accent); color:#FFF7F3; }
.reel__btn:active{ transform:scale(.94); }
.reel__btn[disabled]{ opacity:.35; cursor:default; }
.reel__btn[disabled]:hover{ background:var(--paper-2); border-color:var(--line-2); color:inherit; }

.reel__viewport{
  overflow-x:auto; overflow-y:hidden;
  scroll-snap-type:x proximity;
  scrollbar-width:none; -ms-overflow-style:none;
  cursor:grab;
  margin-inline:calc(var(--pad) * -1);
  padding-inline:var(--pad);
  perspective:1500px;
  perspective-origin:50% 45%;
  overscroll-behavior-x:contain;
}
.reel__viewport::-webkit-scrollbar{ display:none; }
.reel__viewport.is-dragging{ cursor:grabbing; scroll-snap-type:none; }
.reel__track{
  display:flex; gap:1rem; width:max-content;
  padding-block:2.25rem 1.25rem;
  transform-style:preserve-3d;
}

.card{
  scroll-snap-align:center;
  flex:0 0 auto; width:clamp(15.5rem,25vw,22rem);
  display:flex; flex-direction:column;
  transform-style:preserve-3d;
  will-change:transform;
  backface-visibility:hidden;
  transition:transform .45s var(--ease);
}
.card__media{
  overflow:hidden; border-radius:1.1rem; aspect-ratio:16/10;
  border:1px solid var(--line); background:var(--paper-3);
  box-shadow:0 20px 42px -32px rgba(23,22,26,.42);
  transition:box-shadow .5s var(--ease);
}
.card__media img{
  width:100%; height:100%; object-fit:cover; object-position:top center;
  transition:transform .7s var(--ease); will-change:transform;
}
.card:hover .card__media img{ transform:scale(1.05); }
.card:hover .card__media{ box-shadow:0 30px 55px -30px rgba(23,22,26,.5); }

/* entrada de la huincha: sólo opacidad, el transform lo maneja el carrusel */
html.js-motion .reel__track .card{
  opacity:0;
  transition:opacity .5s var(--ease), transform .45s var(--ease);
  transition-delay:calc(var(--i,0) * 45ms), 0ms;
}
html.js-motion .reel__track.is-in .card{ opacity:1; }

.reel__hint{
  display:flex; align-items:center; gap:.55rem; margin-top:1.25rem;
  color:var(--muted); font-family:var(--f-mono); font-size:.62rem;
  letter-spacing:.14em; text-transform:uppercase;
}
.reel__hint svg{ width:1.05rem; height:1.05rem; color:var(--accent); flex:none; }
.card__body{ padding-top:1.05rem; display:grid; gap:.3rem; }
.card__name{ font-size:1.05rem; font-weight:700; letter-spacing:-.025em; transition:color .3s var(--ease); }
.card:hover .card__name{ color:var(--accent); }
.card__kind{ color:var(--muted); font-size:.85rem; }
.card__url{ margin-top:.35rem; color:var(--accent); text-transform:none; letter-spacing:.05em; font-size:.64rem; }

.reel__progress{ margin-top:2.25rem; height:2px; background:var(--line); border-radius:2px; overflow:hidden; }
.reel__progress i{ display:block; height:100%; width:0; background:var(--accent); border-radius:2px; }

/* =========================================================
   DRON / TIKTOK
   ========================================================= */
.drone{ padding-block:var(--sec); border-top:1px solid var(--line); background:var(--paper-3); }
.drone__grid{ display:grid; grid-template-columns:.85fr 1.15fr; gap:clamp(2.5rem,5vw,5rem); align-items:start; }
.drone__copy{ display:grid; gap:1.35rem; justify-items:start; position:sticky; top:8rem; }
.drone__copy .h2{ max-width:13ch; }
.drone__feed{
  border:1px solid var(--line); border-radius:1.5rem; background:var(--paper-2);
  padding:clamp(1rem,2vw,1.75rem); min-height:24rem;
  display:grid; place-items:center;
  box-shadow:0 22px 50px -38px rgba(23,22,26,.35);
}
.drone__feed blockquote{ margin:0; width:100%; }
.drone__fallback{ display:grid; gap:1rem; justify-items:center; text-align:center; padding:3rem 1.5rem; color:var(--muted); }
.drone__fallback svg{ width:2.5rem; height:2.5rem; color:var(--accent); }

/* =========================================================
   FORMACIÓN
   ========================================================= */
.edu{ padding-block:var(--sec); border-top:1px solid var(--line); }
.edu__grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:clamp(2.5rem,6vw,6rem); align-items:start; }
.edu__list{ margin-top:2rem; border-top:1px solid var(--line); }
.edu__list li{ display:grid; grid-template-columns:1fr auto; gap:.25rem 1.5rem; padding:1.3rem 0; border-bottom:1px solid var(--line); }
.edu__list b{ font-size:1.02rem; font-weight:500; letter-spacing:-.02em; }
.edu__list span{ grid-column:1; color:var(--muted); font-size:.88rem; }
.edu__list i{ grid-row:1 / span 2; grid-column:2; font-style:normal; color:var(--accent); align-self:center; white-space:nowrap; }

.chips{ display:flex; flex-wrap:wrap; gap:.45rem; margin-top:2rem; }
.chips span{
  padding:.45rem .9rem; border-radius:999px; border:1px solid var(--line-2);
  font-size:.82rem; color:var(--ink-soft); background:var(--paper-2);
  transition:border-color .3s var(--ease), color .3s var(--ease);
}
.chips span:hover{ border-color:var(--accent); color:var(--accent); }

/* =========================================================
   CTA + FOOTER
   ========================================================= */
.cta{ padding-block:clamp(5.5rem,11vw,10rem); border-top:1px solid var(--line); position:relative; overflow:hidden; }
.cta::before{
  content:""; position:absolute; inset:auto 0 -45% 0; height:85%;
  background:radial-gradient(48rem 24rem at 50% 100%, rgba(194,81,42,.16), transparent 70%);
  pointer-events:none;
}
.cta__inner{ position:relative; display:grid; gap:1.65rem; justify-items:start; }
.cta__eyebrow{ color:var(--accent); }
.cta__title{ font-size:clamp(2.1rem,1.15rem + 3.4vw,4.3rem); font-weight:900; letter-spacing:-.045em; max-width:20ch; line-height:1.03; }
.cta__actions{ display:flex; flex-wrap:wrap; gap:.85rem; margin-top:.5rem; }
.cta__note{ color:var(--muted); font-size:.9rem; }

.foot{ border-top:1px solid var(--line); padding-block:clamp(2.5rem,5vw,4rem); background:var(--paper-3); }
.foot__inner{ display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:1.5rem; }
.foot__legal{ color:var(--muted); }

/* =========================================================
   VOLVER ARRIBA
   ========================================================= */
.totop{
  position:fixed; right:clamp(1rem,3vw,2.25rem); bottom:clamp(1rem,3vw,2.25rem); z-index:70;
  width:3.35rem; height:3.35rem; border-radius:999px; cursor:pointer;
  border:1px solid var(--line-2); background:rgba(255,255,255,.85);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  display:grid; place-items:center;
  box-shadow:0 16px 34px -20px rgba(23,22,26,.45);
  opacity:0; transform:translateY(14px) scale(.85); pointer-events:none;
  transition:opacity .4s var(--ease), transform .4s var(--ease), background .3s var(--ease);
}
.totop.is-on{ opacity:1; transform:none; pointer-events:auto; }
.totop:hover{ background:var(--accent); color:#FFF7F3; }
.totop:active{ transform:scale(.93); }
.totop__ring{ position:absolute; inset:0; width:100%; height:100%; transform:rotate(-90deg); pointer-events:none; }
.totop__ring circle{ fill:none; stroke-width:2; }
.totop__ring .bg{ stroke:transparent; }
.totop__ring .fg{ stroke:var(--accent); stroke-linecap:round; transition:stroke .3s var(--ease); }
.totop:hover .totop__ring .fg{ stroke:#FFF7F3; }
.totop__arrow{ width:1.05rem; height:1.05rem; position:relative; z-index:1; }

/* =========================================================
   REVELADOS (sólo se ocultan si GSAP cargó)
   ========================================================= */
/* Nada se oculta salvo que JS esté activo y el visitante no haya
   pedido reducir el movimiento. Sin JS, todo se ve. */
html.js-motion .reveal{
  opacity:0; transform:translateY(22px);
  transition:opacity .5s var(--ease), transform .6s var(--ease);
}
html.js-motion .reveal.is-in{ opacity:1; transform:none; }

/* máscara por palabra para los títulos de sección */
.wmask{ display:inline-block; overflow:hidden; vertical-align:bottom; padding-bottom:.14em; margin-bottom:-.14em; }
.wline{ display:inline-block; }
html.js-motion .wline{
  transform:translateY(105%); opacity:0;
  transition:transform .6s var(--ease), opacity .35s var(--ease);
  transition-delay:calc(var(--i,0) * 32ms);
}
html.js-motion .is-in .wline{ transform:none; opacity:1; }

/* cascadas por índice */
html.js-motion .stagger > *{
  opacity:0; transform:translateY(20px);
  transition:opacity .45s var(--ease), transform .55s var(--ease);
  transition-delay:calc(var(--i,0) * 45ms);
}
html.js-motion .stagger.is-in > *{ opacity:1; transform:none; }

html.js-motion .chips span{
  opacity:0; transform:translateY(8px);
  transition:opacity .35s var(--ease), transform .35s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
  transition-delay:calc(var(--i,0) * 18ms);
}
html.js-motion .chips.is-in span{ opacity:1; transform:none; }

html.js-motion .viz-bar i{ transform:scaleX(0); transition:transform .8s var(--ease); transition-delay:calc(var(--i,0) * 90ms); }
html.js-motion .cell--a.is-in .viz-bar i{ transform:scaleX(1); }

/* filete de acento que se traza bajo cada encabezado de sección */
.rule{ position:relative; height:1px; background:var(--line); margin-bottom:clamp(2rem,4vw,3rem); }
.rule::after{
  content:""; position:absolute; inset:0 auto 0 0; width:100%; height:1px;
  background:var(--accent); transform-origin:left;
}
html.js-motion .rule::after{ transform:scaleX(0); transition:transform .9s var(--ease); }
html.js-motion .rule.is-in::after{ transform:scaleX(1); }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1180px){
  .hero__grid{ grid-template-columns:1fr; }
  .hero__visual{ height:min(26rem,48vh); order:-1; }
  .hero__title{ max-width:18ch; }
  .track__grid, .edu__grid, .drone__grid{ grid-template-columns:1fr; }
  .track__aside, .drone__copy{ position:static; }
  .track__aside .h2, .drone__copy .h2{ max-width:20ch; }
  .track__rail{ left:-1rem; }
  .bento{ grid-template-columns:repeat(2,1fr); }
  .cell--a{ grid-column:span 2; grid-row:span 1; }
  .cell--b, .cell--e{ grid-column:span 2; }
}

@media (max-width:900px){
  .nav__links{ display:none; }
  .nav__cta{ display:none; }
  .nav__burger{ display:flex; }
  .stats{ grid-template-columns:repeat(2,1fr); }
  .stat{ padding-bottom:1.75rem; border-bottom:1px solid var(--line); }
  .stat:nth-child(2n){ border-right:0; }
  .stat:nth-last-child(-n+2){ border-bottom:0; padding-bottom:0; }
  .reel__head{ grid-template-columns:1fr; }
  .reel__nav{ justify-content:flex-start; }
  .track__rail{ display:none; }
}

@media (max-width:640px){
  .hero{ padding-top:7.5rem; }
  .hero__visual{ height:15rem; }
  .shot--a{ width:82%; }
  .shot--b{ width:58%; }
  .shot--c{ display:none; }
  .bento{ grid-template-columns:1fr; }
  .cell--a,.cell--b,.cell--c,.cell--d,.cell--e{ grid-column:span 1; grid-row:span 1; }
  .stats{ grid-template-columns:1fr; }
  .stat{ border-right:0; }
  .edu__list li{ grid-template-columns:1fr; }
  .edu__list i{ grid-row:auto; grid-column:1; }
  .foot__inner{ flex-direction:column; align-items:flex-start; }
  .btn{ width:100%; justify-content:center; }
  .cta__actions, .hero__actions{ width:100%; }
  .card{ width:min(78vw,20rem); }
  .totop{ width:3rem; height:3rem; }
}

@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
  html .reveal, html .stagger > *, html .chips span, html .wline{ opacity:1 !important; transform:none !important; }
  html .viz-bar i{ transform:scaleX(1) !important; }
}