/* ==========================================================================
   Carlos Jimenez Gonzalez - hoja de estilos compartida
   La usan index.html y todas las paginas de caso de estudio.
   Cambia un token aqui y cambia en todo el sitio.
   ========================================================================== */

/* ============================================================
   TOKENS — cambia aquí los colores y todo el sitio se adapta
   ============================================================ */
:root{
  --ink:#112837;           /* azul noche — fondos oscuros y texto principal */
  --ink-soft:#455B6D;      /* azul grisáceo — texto secundario */
  --paper:#F4F1EA;         /* crema cálido — fondo principal */
  --paper-dim:#E7E2D7;     /* crema un punto más oscuro — secciones alternas */

  /* Tres tonos del mismo azul. Cada uno tiene su fondo:
     --accent      #3377A4  color de marca. Bordes y decoración (basta 3:1)
     --accent-deep #2A6187  TEXTO sobre fondo claro, y rellenos con texto crema
     --accent-light#5A9DCB  TEXTO sobre el azul noche
     --accent-txt conmuta entre deep y light segun la seccion. Usalo para texto. */
  --accent:#3377A4;
  --accent-deep:#2A6187;
  --accent-light:#5A9DCB;
  --accent-txt:var(--accent-deep);

  --focus:#C2410C;         /* naranja: el foco de teclado NO debe ser azul, se */
  --focus-dark:#F0A93B;    /* confundiria con la marca. Se aclara en oscuro     */
  --ok:#0A6E36;            /* verde disponibilidad */
  --line:rgba(17,40,55,.16);
  --line-dark:rgba(244,241,234,.18);

  --display:"Bricolage Grotesque","Helvetica Neue",Arial,sans-serif;
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --pad:clamp(1.25rem,5vw,5rem);
  --maxw:1400px;
  --r:14px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--display);
  font-size:clamp(1rem,.95rem + .3vw,1.125rem);
  line-height:1.55;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
::selection{background:var(--accent-deep);color:var(--paper)}

/* grano sutil sobre todo el sitio */
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:.4;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.28'/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
}

/* ---------- utilidades ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
.eyebrow{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-soft);display:flex;align-items:center;gap:.7rem;margin:0 0 1.6rem;
}
.eyebrow::before{content:"";width:2rem;height:1px;background:var(--accent-txt);flex:none}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);padding:.8rem 1.2rem;z-index:10000}
.skip:focus{left:.5rem;top:.5rem}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}

/* ============================================================ NAV */
.nav{
  position:sticky;top:0;z-index:100;
  backdrop-filter:saturate(140%) blur(10px);
  background:var(--paper); /* respaldo si el navegador no soporta color-mix */
  background:color-mix(in srgb,var(--paper) 85%,transparent);
  border-bottom:1px solid var(--line);
}
.nav__in{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:64px}
.brand{font-weight:800;letter-spacing:-.03em;font-size:1.05rem;text-decoration:none;display:flex;align-items:center;gap:.55rem}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--accent-deep);flex:none}
.nav__links{display:flex;gap:1.75rem;align-items:center}
.nav__links a{
  text-decoration:none;font-size:.9rem;font-weight:600;letter-spacing:-.01em;
  position:relative;padding:.25rem 0;
}
.nav__links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent-deep);transition:width .3s ease}
.nav__links a:hover::after,.nav__links a:focus-visible::after{width:100%}
.nav__cta{
  background:var(--ink);color:var(--paper);text-decoration:none;font-weight:600;font-size:.88rem;
  padding:.6rem 1.1rem;border-radius:100px;transition:background .25s ease,transform .25s ease;
}
.nav__cta:hover{background:var(--accent-deep);transform:translateY(-1px)}
@media (max-width:820px){.nav__links{display:none}}

/* ============================================================ HERO */
.hero{padding:clamp(3.5rem,9vw,8rem) 0 clamp(2.5rem,6vw,5rem);position:relative}
.status{
  display:inline-flex;align-items:center;gap:.6rem;font-family:var(--mono);font-size:.74rem;
  letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--line);
  padding:.45rem .9rem;border-radius:100px;background:var(--paper-dim);margin-bottom:1.8rem;
}
.status .pulse{width:8px;height:8px;border-radius:50%;background:var(--ok);position:relative;flex:none}
.status .pulse::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid var(--ok);animation:pulse 2.4s ease-out infinite}
@keyframes pulse{0%{transform:scale(.6);opacity:.9}100%{transform:scale(1.6);opacity:0}}

h1.hero__title{
  font-size:clamp(3rem,11.5vw,9.5rem);
  line-height:.86;letter-spacing:-.045em;font-weight:800;margin:0 0 1.5rem;
  text-wrap:balance;
}
h1.hero__title em{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.02em;color:var(--accent-txt)}
.hero__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(1.5rem,4vw,4rem);align-items:end;margin-top:2rem}
@media (max-width:900px){.hero__grid{grid-template-columns:1fr;align-items:start}}
.hero__lead{font-size:clamp(1.05rem,1.6vw,1.35rem);line-height:1.5;max-width:46ch;margin:0 0 2rem;color:var(--ink-soft)}
.hero__lead strong{color:var(--ink);font-weight:600}
.hero__actions{display:flex;flex-wrap:wrap;gap:.75rem}
.btn{
  display:inline-flex;align-items:center;gap:.55rem;text-decoration:none;font-weight:600;font-size:.95rem;
  padding:.9rem 1.5rem;border-radius:100px;border:1.5px solid var(--ink);transition:all .25s ease;
}
.btn--solid{background:var(--ink);color:var(--paper)}
.btn--solid:hover{background:var(--accent-deep);border-color:var(--accent-deep);transform:translateY(-2px)}
.btn--ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.btn .arrow{transition:transform .25s ease}
.btn:hover .arrow{transform:translateX(4px)}

.hero__meta{border-top:1.5px solid var(--ink);padding-top:1.1rem;display:grid;gap:1.1rem}
.hero__meta dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:.4rem 1.2rem;font-size:.9rem}
.hero__meta dt{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);align-self:center}
.hero__meta dd{margin:0;font-weight:600}

/* ============================================================ MARQUEE */
.marquee{
  background:var(--ink);color:var(--paper);padding:.9rem 0;overflow:hidden;
  border-top:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink);
}
.marquee__track{display:flex;width:max-content;animation:slide 38s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
@keyframes slide{to{transform:translateX(-50%)}}
.marquee span{
  font-family:var(--mono);font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;
  padding:0 1.6rem;white-space:nowrap;display:inline-flex;align-items:center;gap:1.6rem;
}
.marquee span::after{content:"◆";color:var(--accent);font-size:.6rem}

/* ============================================================ SECCIONES */
section{scroll-margin-top:80px}
.sec{padding:clamp(4rem,9vw,8rem) 0}
/* En fondo oscuro el naranja vivo sí tiene contraste suficiente: se conmuta el token */
.sec--dark,.marquee,.footer{--accent-txt:var(--accent-light);--focus:var(--focus-dark)}
.sec--dark{background:var(--ink);color:var(--paper)}
.sec--dark .eyebrow{color:rgba(244,241,234,.62)}
.sec--dark .btn{border-color:var(--paper);color:var(--paper)}
.sec--dark .btn--solid{background:var(--paper);border-color:var(--paper);color:var(--ink)}
.sec--dark .btn--solid:hover{background:var(--accent-light);color:var(--ink);border-color:var(--accent-light)}
.sec--dark .btn--ghost:hover{background:var(--paper);color:var(--ink)}
h2.sec__title{
  font-size:clamp(2.1rem,6vw,4.6rem);line-height:.95;letter-spacing:-.04em;font-weight:800;
  margin:0 0 1.2rem;text-wrap:balance;
}
h2.sec__title em{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--accent-txt)}
.sec__intro{max-width:56ch;font-size:1.05rem;color:var(--ink-soft);margin:0 0 3rem}
.sec--dark .sec__intro{color:rgba(244,241,234,.72)}

/* ============================================================ PROYECTOS */
.work{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(1rem,2.5vw,2rem)}
.card{grid-column:span 6;text-decoration:none;color:inherit;display:block;position:relative}
.card--wide{grid-column:span 12}
.card--third{grid-column:span 4}
@media (max-width:860px){.card,.card--wide,.card--third{grid-column:span 12}}

.card__media{
  position:relative;overflow:hidden;border-radius:var(--r);background:var(--paper-dim);
  border:1.5px solid var(--line);aspect-ratio:4/3;
}
.card--wide .card__media{aspect-ratio:16/8}
.card--third .card__media{aspect-ratio:3/4}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.8,.2,1)}
.card:hover .card__media img{transform:scale(1.04)}

/* placeholder visible mientras no haya imagen */
.card__media.is-empty::before{
  content:attr(data-ph);
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-soft);text-align:center;padding:1.5rem;
  background:
    repeating-linear-gradient(45deg,transparent 0 14px,rgba(17,40,55,.06) 14px 28px);
}
.card__tag{
  position:absolute;top:.9rem;left:.9rem;z-index:2;background:var(--paper);color:var(--ink);
  font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;
  padding:.35rem .7rem;border-radius:100px;border:1px solid var(--line);
}
.card__body{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;padding:1rem .2rem 0}
.card__name{font-size:clamp(1.15rem,2vw,1.6rem);font-weight:700;letter-spacing:-.03em;margin:0}
.card__desc{font-size:.9rem;color:var(--ink-soft);margin:.3rem 0 0;max-width:42ch}
.card__year{font-family:var(--mono);font-size:.78rem;color:var(--ink-soft);flex:none}
.card:hover .card__name{color:var(--accent-deep)}

/* ============================================================ SOBRE MÍ */
.about{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2rem,6vw,5rem);align-items:start}
@media (max-width:900px){.about{grid-template-columns:1fr}}
.about__photo{
  border-radius:var(--r);overflow:hidden;border:1.5px solid var(--line-dark);
  aspect-ratio:4/5;background:#1B3547;position:relative;
}
.about__photo.is-empty::before{
  content:attr(data-ph);position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(244,241,234,.55);text-align:center;padding:1.5rem;
  background:repeating-linear-gradient(45deg,transparent 0 14px,rgba(244,241,234,.05) 14px 28px);
}
.about__photo img{width:100%;height:100%;object-fit:cover}
.about__text p{font-size:clamp(1.05rem,1.5vw,1.25rem);line-height:1.6;margin:0 0 1.2rem;color:rgba(244,241,234,.86)}
.about__text p:first-of-type{font-size:clamp(1.3rem,2.4vw,1.8rem);line-height:1.35;color:var(--paper);font-weight:600;letter-spacing:-.02em}
.about__text strong{color:var(--accent-txt);font-weight:600}
.skills{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:2rem;padding-top:2rem;border-top:1px solid var(--line-dark)}
.skills span{
  font-family:var(--mono);font-size:.75rem;letter-spacing:.06em;
  border:1px solid var(--line-dark);padding:.4rem .8rem;border-radius:100px;color:rgba(244,241,234,.85);
}

/* ============================================================ SERVICIOS */
.services{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:clamp(1rem,2vw,1.5rem)}
.service{
  border:1.5px solid var(--line);border-radius:var(--r);padding:clamp(1.5rem,3vw,2.2rem);
  background:var(--paper);position:relative;overflow:hidden;transition:transform .3s ease,border-color .3s ease;
}
.service:hover{transform:translateY(-4px);border-color:var(--ink)}
.service__num{font-family:var(--mono);font-size:.75rem;color:var(--accent-deep);letter-spacing:.14em}
.service h3{font-size:clamp(1.35rem,2.4vw,1.75rem);letter-spacing:-.03em;font-weight:700;margin:.8rem 0 .8rem}
.service p{color:var(--ink-soft);font-size:.98rem;margin:0 0 1.3rem}
.service ul{list-style:none;padding:0;margin:0;display:grid;gap:.5rem}
.service li{font-size:.9rem;display:flex;gap:.6rem;align-items:flex-start}
.service li::before{content:"→";color:var(--accent-deep);flex:none;font-weight:700}

.process{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-top:3.5rem;padding-top:3rem;border-top:1.5px solid var(--line)}
.step__n{font-family:var(--serif);font-size:2.6rem;line-height:1;color:var(--accent-deep);display:block;margin-bottom:.5rem}
.step h4{font-size:1.05rem;margin:0 0 .4rem;letter-spacing:-.02em}
.step p{font-size:.9rem;color:var(--ink-soft);margin:0}

/* ============================================================ AGENCIAS */
.hire{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
@media (max-width:900px){.hire{grid-template-columns:1fr}}
.hire__list{list-style:none;padding:0;margin:0;display:grid;gap:1.2rem}
.hire__list li{display:grid;grid-template-columns:auto 1fr;gap:1rem;align-items:start;padding-bottom:1.2rem;border-bottom:1px solid var(--line)}
.hire__list li:last-child{border-bottom:0;padding-bottom:0}
.hire__list b{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;color:var(--accent-deep);padding-top:.35rem}
.hire__list span{font-size:1rem;color:var(--ink-soft)}
.hire__list span strong{color:var(--ink);font-weight:600;display:block;margin-bottom:.15rem;font-size:1.05rem}

/* ============================================================ CONTACTO */
.contact{text-align:center;padding:clamp(4.5rem,11vw,10rem) 0}
.contact__mail{
  display:inline-block;font-size:clamp(1.6rem,7vw,5rem);font-weight:800;letter-spacing:-.045em;
  text-decoration:none;line-height:1.05;margin:1rem 0 2.5rem;position:relative;word-break:break-word;
}
.contact__mail::after{content:"";position:absolute;left:0;right:0;bottom:.08em;height:.07em;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .45s cubic-bezier(.2,.8,.2,1)}
.contact__mail:hover::after{transform:scaleX(1)}
.socials{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:center}
.socials a{
  text-decoration:none;font-family:var(--mono);font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;
  border:1px solid var(--line-dark);padding:.65rem 1.2rem;border-radius:100px;transition:all .25s ease;
}
.socials a:hover{background:var(--accent-deep);border-color:var(--accent-deep);color:var(--paper)}

/* ============================================================ FOOTER */
.footer{border-top:1px solid var(--line-dark);padding:2rem 0;font-size:.82rem;color:rgba(244,241,234,.66)}
.footer__in{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center}
.footer a{text-decoration:none}
.footer a:hover{color:var(--accent-txt)}

/* ============================================================ REVEAL */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s cubic-bezier(.2,.8,.2,1),transform .8s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ==========================================================================
   PÁGINAS DE CASO DE ESTUDIO (caso-*.html)
   ========================================================================== */
.volver{
  display:inline-flex;align-items:center;gap:.5rem;text-decoration:none;font-family:var(--mono);
  font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);
  margin-bottom:2.5rem;transition:color .25s ease;
}
.volver:hover{color:var(--accent-deep)}
.volver .arrow{transition:transform .25s ease}
.volver:hover .arrow{transform:translateX(-4px)}

.caso__hero{padding:clamp(2.5rem,7vw,5rem) 0 clamp(2rem,5vw,3.5rem)}
h1.caso__title{
  font-size:clamp(2.4rem,8.5vw,7rem);line-height:.9;letter-spacing:-.045em;font-weight:800;
  margin:0 0 1.2rem;text-wrap:balance;
}
.caso__claim{
  font-family:var(--serif);font-style:italic;font-size:clamp(1.35rem,3.2vw,2.4rem);
  line-height:1.25;color:var(--accent-deep);max-width:24ch;margin:0 0 2.5rem;
}
.ficha{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1.5rem;
  border-top:1.5px solid var(--ink);border-bottom:1px solid var(--line);padding:1.5rem 0;margin-bottom:3rem;
}
.ficha dt{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:.35rem}
.ficha dd{margin:0;font-weight:600;font-size:1rem;line-height:1.35}

/* imagen de portada y galería */
.caso__fig{margin:0 0 clamp(2rem,5vw,3.5rem)}
.caso__fig .marco{
  position:relative;overflow:hidden;border-radius:var(--r);background:var(--paper-dim);
  border:1.5px solid var(--line);aspect-ratio:16/9;
}
.caso__fig .marco img{width:100%;height:100%;object-fit:cover}
.caso__fig .marco.is-empty::before{
  content:attr(data-ph);position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-soft);text-align:center;padding:1.5rem;
  background:repeating-linear-gradient(45deg,transparent 0 14px,rgba(17,40,55,.06) 14px 28px);
}
.caso__fig figcaption{font-size:.85rem;color:var(--ink-soft);margin-top:.7rem;font-style:italic}
.caso__fig--alto .marco{aspect-ratio:4/5}
.galeria{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1rem,2.5vw,2rem)}
@media (max-width:700px){.galeria{grid-template-columns:1fr}}

/* cuerpo del caso */
.caso__cuerpo{max-width:68ch;margin:0 auto}
.caso__cuerpo h2{
  font-size:clamp(1.6rem,3.5vw,2.4rem);letter-spacing:-.035em;font-weight:800;
  margin:clamp(2.5rem,5vw,4rem) 0 1rem;line-height:1.1;
}
.caso__cuerpo h2:first-child{margin-top:0}
.caso__cuerpo h3{font-size:1.15rem;letter-spacing:-.02em;margin:2rem 0 .6rem}
.caso__cuerpo p{margin:0 0 1.2rem;line-height:1.65}
.caso__cuerpo ul{padding-left:1.1rem;margin:0 0 1.2rem}
.caso__cuerpo li{margin-bottom:.5rem}
.caso__cuerpo blockquote{
  margin:2.5rem 0;padding:1.5rem 0 1.5rem 1.8rem;border-left:3px solid var(--accent-deep);
  font-family:var(--serif);font-size:clamp(1.2rem,2.4vw,1.6rem);line-height:1.4;font-style:italic;
}
.caso__cuerpo blockquote cite{
  display:block;font-family:var(--display);font-style:normal;font-size:.85rem;
  font-weight:600;color:var(--ink-soft);margin-top:1rem;
}

/* resultados */
.metricas{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1.5rem;margin:2.5rem 0}
.metrica{border-top:2px solid var(--accent);padding-top:1rem}
.metrica b{display:block;font-size:clamp(2rem,5vw,3.2rem);line-height:1;letter-spacing:-.04em;font-weight:800}
.metrica span{display:block;font-size:.88rem;color:rgba(244,241,234,.78);margin-top:.5rem}

/* navegación entre casos */
.siguiente{border-top:1.5px solid var(--line);padding:clamp(2.5rem,6vw,4rem) 0}
.siguiente a{text-decoration:none;display:flex;justify-content:space-between;align-items:baseline;gap:1rem;flex-wrap:wrap}
.siguiente .et{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft)}
.siguiente .tit{font-size:clamp(1.6rem,4.5vw,3rem);font-weight:800;letter-spacing:-.04em;transition:color .25s ease}
.siguiente a:hover .tit{color:var(--accent-deep)}

/* Creditos del caso: quien hizo que. Sustituye a las metricas cuando
   no hay cifras publicables — mejor sin dato que con un dato inventado. */
.creditos{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1.75rem;margin:2.5rem 0 0}
.credito{border-top:2px solid var(--accent);padding-top:1rem}
.credito b{display:block;font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-txt);margin-bottom:.5rem;font-weight:500}
.credito span{display:block;font-size:1rem;line-height:1.45;color:rgba(244,241,234,.86)}

/* Figura de proporcion libre: la imagen manda. Para mezclar formatos
   distintos en una misma galeria (cartel vertical junto a pieza cuadrada). */
.caso__fig--libre .marco{aspect-ratio:auto}
.caso__fig--libre .marco img{height:auto;object-fit:contain}
.formato{position:absolute;bottom:.9rem;left:.9rem;z-index:2;background:var(--paper);color:var(--ink);
  font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;
  padding:.32rem .68rem;border-radius:100px;border:1px solid var(--line)}

/* Trayectoria en la seccion Sobre mi */
.trayectoria{list-style:none;padding:0;margin:2.5rem 0 0;display:grid;gap:0}
.trayectoria li{display:grid;grid-template-columns:auto 1fr;gap:1.25rem;align-items:start;
  padding:1.1rem 0;border-top:1px solid var(--line-dark)}
.trayectoria b{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;color:var(--accent-txt);
  padding-top:.28rem;font-weight:500;white-space:nowrap}
.trayectoria span{font-size:.94rem;color:rgba(244,241,234,.72);line-height:1.45}
.trayectoria span strong{display:block;color:var(--paper);font-weight:600;font-size:1rem;margin-bottom:.12rem}
@media (max-width:560px){.trayectoria li{grid-template-columns:1fr;gap:.35rem}.trayectoria b{padding-top:0}}

/* Las tarjetas de un tercio llevan material cuadrado */
.card--third .card__media{aspect-ratio:1/1}

/* ==========================================================================
   CINTA DE CLIENTES
   Monocromo en crema sobre el azul noche. Al pasar el raton, cada marca
   se rellena con su color real y el texto salta a blanco o negro segun
   contraste (calculado marca a marca, minimo 4,3:1 en todas).
   Los colores viven en el atributo style de cada <li>: --marca y --marca-txt.
   ========================================================================== */
.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}

.clientes{
  --accent-txt:var(--accent-light);--focus:var(--focus-dark);
  background:var(--ink);color:var(--paper);
  border-top:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink);
  padding:1.15rem 0;overflow:hidden;position:relative;
}
/* difuminado en los bordes: la cinta entra y sale, no se corta en seco */
.clientes::before,.clientes::after{
  content:"";position:absolute;top:0;bottom:0;width:clamp(2rem,7vw,7rem);z-index:2;pointer-events:none;
}
.clientes::before{left:0;background:linear-gradient(90deg,var(--ink),transparent)}
.clientes::after{right:0;background:linear-gradient(270deg,var(--ink),transparent)}

.clientes__cinta{display:flex;width:max-content;animation:desfile 52s linear infinite}
.clientes:hover .clientes__cinta,.clientes:focus-within .clientes__cinta{animation-play-state:paused}
@keyframes desfile{to{transform:translateX(-50%)}}

.clientes__lista{display:flex;align-items:center;list-style:none;margin:0;padding:0;flex:none}

.cliente{
  flex:none;display:flex;align-items:center;justify-content:center;
  margin:0 .3rem;padding:.55rem 1.15rem;border-radius:100px;
  background:transparent;transition:background .3s ease,transform .3s ease;
}
.cliente:hover{background:var(--marca);transform:translateY(-2px)}

.cliente__nombre{
  font-size:clamp(.95rem,1.5vw,1.2rem);font-weight:600;letter-spacing:-.02em;white-space:nowrap;
  color:var(--paper);transition:color .3s ease;
}
.cliente:hover .cliente__nombre{color:var(--marca-txt)}

/* Version con logotipo oficial: la mascara tine cualquier SVG o PNG
   con transparencia al color que toque, sin tocar el archivo original. */
.cliente__logo{
  display:block;width:clamp(76px,9vw,116px);height:clamp(24px,3vw,34px);
  background-color:var(--paper);transition:background-color .3s ease;
  -webkit-mask:var(--src) center/contain no-repeat;
          mask:var(--src) center/contain no-repeat;
}
.cliente:hover .cliente__logo{background-color:var(--marca-txt)}

@media (prefers-reduced-motion:reduce){
  .clientes__cinta{animation:none;flex-wrap:wrap;width:100%;justify-content:center}
  .clientes__lista:last-child{display:none}
  .clientes__lista{flex-wrap:wrap;justify-content:center;gap:.25rem}
}