/* =========================================================================
   FUENTE LOCAL
   ========================================================================= */

@font-face {
  font-family: "Matter";
  src: url("Fonts/Matter-Regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Nantes";
  src: url("Fonts/Nantes-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}


/* =========================================================================
   RESET
   ========================================================================= */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
/* scroll-behavior gestionado por JS con easing personalizado */


/* =========================================================================
   DESIGN TOKENS  (mobile base: 390px)
   ========================================================================= */

:root {
  /* Colores */
  --color-bg:       #FFFFFF;
  --color-ink:      #000000;
  --color-border:   #DEDEDE;
  --color-slide-bg: #F5F5F5;

  /* Tipografía */
  --font:         "Matter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-display: "Nantes", Georgia, serif;
  --fs-hero: 36px;
  --lh-hero: 1.1;
  --fs-body: 16px;
  --lh-body: 1.35;

  /* Layout */
  --nav-h:  64px;
  --margin: 16px;
  --gutter: 8px;

  /* Carrusel */
  --car-h:   280px;
  --car-gap: 8px;
  --slide-l: 426px;
  --slide-p: 426px;
}


/* =========================================================================
   ANIMACIONES
   ========================================================================= */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}


/* =========================================================================
   BASE
   ========================================================================= */

body {
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font);
  font-weight: 400;
  line-height: 1;
  overflow-x: hidden;
  transition: background 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.dark {
  --color-bg:       #000000;
  --color-ink:      #F0F0F0;
  --color-border:   #2D2D2D;
  --color-slide-bg: #2A2F31;
}


/* =========================================================================
   NAVEGACIÓN
   ========================================================================= */

.nav-logo,
.nav-tagline,
.nav-about,
.nav-asterisk {
  position: fixed;
  top: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  color: #fff;
  mix-blend-mode: difference;
  z-index: 101;
  transform: translateY(0);
  transition: transform 0.35s cubic-bezier(0.25, 0, 0, 1);
}

.nav-logo {
  left: var(--margin);
  font-size: var(--fs-body);
  text-decoration: none;
  white-space: nowrap;
}

.nav-tagline {
  left: calc(
    var(--margin)
    + ((100vw - 2*var(--margin) - 11*var(--gutter)) / 12 + var(--gutter)) * 3
  );
  font-size: var(--fs-body);
  white-space: nowrap;
}

.nav-about {
  left: calc(
    var(--margin)
    + ((100vw - 2*var(--margin) - 11*var(--gutter)) / 12 + var(--gutter)) * 6
  );
  font-size: var(--fs-body);
  text-decoration: none;
  white-space: nowrap;
}

.nav-asterisk {
  right: var(--margin);
  left: auto;
  cursor: pointer;
}

.nav-logo-short { display: none; }
.nav-logo-long  { display: inline; }


/* =========================================================================
   HERO
   ========================================================================= */

.hero {
  padding: calc(var(--nav-h) + 32px) var(--margin) 60px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 400;
  line-height: var(--lh-hero);
  letter-spacing: -0.01em;
  max-width: 100%;
  margin-bottom: 48px;
  animation: fadeUp 1s cubic-bezier(0.25, 0, 0, 1) 0.05s both;
}

.hero-meta {
  display: flex;
  flex-direction: column;
  gap: 32px;
  animation: fadeUp 1s cubic-bezier(0.25, 0, 0, 1) 0.22s both;
}

.hero-meta-dates,
.hero-meta-desc {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}


/* =========================================================================
   LISTA DE PROYECTOS
   ========================================================================= */

.work {
  padding: 40px 0 80px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.project {
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s cubic-bezier(0.25, 0, 0, 1),
              transform 0.7s cubic-bezier(0.25, 0, 0, 1);
}
.project.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Cabecera (mobile): borde full-width, contenido insetado con padding */
.project-header {
  padding: 40px var(--margin) 0;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.project-client {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

.project-meta {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}
.project-meta p { margin: 0; }

/* Descripción al 50% de opacidad */
.project-desc {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  opacity: 0.5;
}

/* Enlace externo del proyecto */
.project-link {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-thickness: from-font;
  text-underline-offset: from-font;
  align-self: flex-start;
  margin-top: 16px; /* en mobile: gap(16) + margin(16) = 32px visual desde .project-desc */
  transition: opacity 0.25s ease;
}
.project-link:hover { opacity: 0.5; }
.project-link--ghost {
  visibility: hidden;
  pointer-events: none;
}

/* Cada disciplina es un bloque atómico: si no cabe, salta entera a la línea siguiente */
.disc { white-space: nowrap; }

/* En mobile el ghost no ocupa espacio — solo existe en desktop para alinear columnas */
.project-link--ghost { display: none; }

/* Flechas del carrusel — solo en desktop */
.project-nav { display: none; }


/* =========================================================================
   CARRUSEL
   ========================================================================= */

.carousel-wrap {
  overflow: hidden;
  margin-top: 56px;
}

.carousel {
  display: flex;
  gap: var(--car-gap);
  padding: 0 var(--margin);
  overflow-x: scroll;
  scrollbar-width: none;
  cursor: grab;
  user-select: none;
  -webkit-overflow-scrolling: touch;
}
.carousel:active { cursor: grabbing; }
.carousel::-webkit-scrollbar { display: none; }

.slide {
  flex-shrink: 0;
  width: var(--slide-l);
  height: var(--car-h);
  border-radius: 6px;
  overflow: hidden;
  background: var(--color-slide-bg);
}

.slide img,
.slide video {
  height: 100%;
  width: auto;
  display: block;
  -webkit-user-drag: none;
  user-select: none;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.slide.is-loaded {
  width: auto; /* let the media's natural aspect ratio set the width */
}

.slide.is-loaded img,
.slide.is-loaded video { opacity: 1; }

.slide-l { width: var(--slide-l); background: var(--color-slide-bg); }
.slide-p { width: var(--slide-p); background: var(--color-slide-bg); }

/* Slide SVG — fondo transparente; invertido en light mode para que se vea oscuro */
.slide:has(img[data-src$=".svg"]) {
  background: transparent;
}
.slide:has(img[data-src$=".svg"]) img {
  filter: invert(1); /* light mode: SVG claro → invertido = oscuro */
}
body.dark .slide:has(img[data-src$=".svg"]) img {
  filter: none; /* dark mode: SVG claro → se muestra tal cual */
}


/* Slide cara — siempre cuadrada, fondo transparente (solo el círculo SVG es visible) */
.slide--face {
  width: var(--car-h); /* cuadrado: ancho = alto */
  background: transparent;
}
.slide--face .face-svg {
  display: block;
  width: 100%;
  height: 100%;
}


/* =========================================================================
   FOOTER
   ========================================================================= */

footer {
  background: var(--color-bg);
  padding: 40px var(--margin);
}

.footer-bio {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 400;
  line-height: var(--lh-hero);
  letter-spacing: -0.01em;
  margin-bottom: 48px;
}
.footer-bio a {
  color: var(--color-ink);
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 100% 1px;
  background-repeat: no-repeat;
  background-position: left 100%;
  transition: background-size 0.4s cubic-bezier(0.25, 0, 0, 1),
              background-position 0s;
}
.footer-bio a:hover {
  background-size: 0% 1px;
  background-position: right 100%;
  transition: background-size 0.4s cubic-bezier(0.25, 0, 0, 1),
              background-position 0s;
}

.footer-bottom {
  display: grid;
  grid-template-columns: 1fr;
  gap: 54px;
}

.footer-col { font-size: 16px; line-height: 1.4; display: flex; flex-direction: column; gap: 23px; }
.footer-col p { margin: 0; }
.footer-col-label { margin: 0; }

/* Prefijo del footer-bio — visible solo en mobile */
.footer-bio-place { display: inline; }
.footer-col a {
  color: var(--color-ink);
  text-decoration: none;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px;
  background-repeat: no-repeat;
  background-position: right 100%;
  transition: background-size 0.4s cubic-bezier(0.25, 0, 0, 1),
              background-position 0s;
}
.footer-col a:hover {
  background-size: 100% 1px;
  background-position: left 100%;
  transition: background-size 0.4s cubic-bezier(0.25, 0, 0, 1),
              background-position 0s;
}


/* =========================================================================
   GRID OVERLAY
   ========================================================================= */

.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
  padding: 0 var(--margin);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gutter);
}
.grid-overlay.visible { opacity: 1; }

.grid-col {
  background: rgba(255, 0, 80, 0.07);
  border-left:  1px solid rgba(255, 0, 80, 0.2);
  border-right: 1px solid rgba(255, 0, 80, 0.2);
  height: 100%;
}
body.dark .grid-col {
  background: rgba(255, 80, 120, 0.13);
  border-left:  1px solid rgba(255, 80, 120, 0.35);
  border-right: 1px solid rgba(255, 80, 120, 0.35);
}

.grid-switch {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 9999;
  cursor: pointer;
  user-select: none;
  display: none;
}
.grid-switch-track {
  width: 51px;
  height: 31px;
  background: #E5E5EA;
  border-radius: 100px;
  position: relative;
  transition: background 0.25s ease;
  flex-shrink: 0;
}
.grid-switch-track.on { background: #34C759; }
.grid-switch-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 27px;
  height: 27px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.25s ease;
}
.grid-switch-track.on .grid-switch-thumb { transform: translateX(20px); }


/* =========================================================================
   ACCESIBILIDAD — sin movimiento
   ========================================================================= */

@media (prefers-reduced-motion: reduce) {
  .hero-headline,
  .hero-meta { animation: none; opacity: 1; transform: none; }

  .project { opacity: 1; transform: none; transition: none; }

  .slide img, .slide video { opacity: 1; transition: none; }

  .footer-col a,
  .footer-bio a { background-image: none; text-decoration: underline; text-decoration-thickness: from-font; text-underline-offset: from-font; }
  .footer-bio a:hover { text-decoration: none; }
}


/* =========================================================================
   BREAKPOINTS
   ========================================================================= */

/* ── Mobile: ocultar nav secundaria y grid overlay ── */
@media (max-width: 1023px) {
  .grid-switch,
  .grid-overlay { display: none; }

  .nav-tagline,
  .nav-about { display: none; }
}

/* ── 1024px ───────────────────────────────────────── */
@media (min-width: 1024px) {
  :root {
    --fs-hero: 36px;
    --lh-hero: 1.1;
    --fs-body: 13px;
    --lh-body: 1.4;
    --nav-h:   52px;
    --margin:  24px;
    --gutter:  8.5px;
    --car-h:   380px;
    --car-gap: 8px;
    --slide-l: 584px;
    --slide-p: 295px;
  }

  .nav-logo-short { display: inline; }
  .nav-logo-long  { display: none; }

  /* Nav items a 14px — 1px por encima del body de 13px */
  .nav-logo,
  .nav-tagline,
  .nav-about { font-size: 14px; }

  .hero-meta-dates, .hero-meta-desc,
  .project-client, .project-meta, .project-desc, .project-link { font-size: var(--fs-body); }

  /* Hero */
  .hero {
    padding-top: calc(var(--nav-h) + 60px);
    padding-bottom: 48px;
    height: 478px;
  }
  .hero-headline {
    margin-bottom: 64px;
    max-width: calc((100vw - 2*var(--margin) - 11*var(--gutter)) / 12 * 8 + 7*var(--gutter));
  }
  .hero-meta {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--gutter);
  }
  .hero-meta-dates { grid-column: 4 / span 2; }
  .hero-meta-desc  { grid-column: 7 / span 4; }

  /* Proyectos */
  .carousel-wrap  { margin-top: 48px; }
  .project        { gap: 0; }
  .work           { gap: 54px; padding-top: 0; padding-bottom: 60px; }
  .slide          { border-radius: 6px; }

  /* Cabecera: grid de 12 cols — cliente(1-3) · meta(4-6) · desc(7-10) · nav(11-12) */
  .project-header {
    margin: 0 var(--margin);
    padding: 48px 0 0;
    border-top-width: 1px;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--gutter);
    align-items: start;
  }
  .project-client { grid-column: 1 / span 3; }
  .project-meta   { grid-column: 4 / span 3; }
  .project-desc   { grid-column: 7 / span 3; }
  .project-nav    { grid-column: 11 / span 2; display: flex; gap: 8px; justify-content: flex-end; }

  /* Link dentro del bloque meta (debajo de disciplinas) */
  .project-link {
    display: block;
    margin-top: 8px;
    text-align: left;
    align-self: auto;
  }
  .project-link--ghost {
    display: block;
    visibility: hidden;
    pointer-events: none;
  }

  /* Botones de navegación del carrusel */
  .project-nav-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-ink);
    padding: 0;
    display: flex;
    align-items: center;
    opacity: 0.5;
    transition: opacity 0.2s ease;
  }
  .project-nav-btn:hover { opacity: 1; }

  /* Footer */
  footer {
    position: relative;
    height: 100vh;
    overflow: hidden;
    padding: 0;
  }
  .footer-bio {
    position: absolute;
    top: 26px;
    left: var(--margin);
    width: calc((100vw - 2*var(--margin) - 11*var(--gutter)) / 12 * 9 + 8*var(--gutter));
    line-height: 1.1;
    margin-bottom: 0;
  }
  .footer-bottom {
    position: absolute;
    bottom: 40px;
    left: 0; right: 0;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--gutter);
    padding: 0 var(--margin);
    align-items: end;
  }
  .footer-clients { grid-column: 1 / span 3; }
  .footer-awards  { grid-column: 4 / span 3; }
  .footer-contact { grid-column: 10 / span 3; }
  .footer-col     { display: flex; flex-direction: column; gap: 23px; font-size: var(--fs-body); }
  .footer-bio-place { display: none; }

  /* .grid-switch  { display: flex; } */ /* oculto temporalmente */
  .grid-overlay { display: grid; }
}

/* ── 1440px ───────────────────────────────────────── */
@media (min-width: 1440px) {
  :root {
    --fs-hero: 52px;
    --lh-hero: 1.1;
    --fs-body: 16px;
    --lh-body: 1.4;
    --nav-h:   72px;
    --margin:  32px;
    --gutter:  12px;
    --car-h:   540px;
    --car-gap: 14px;
    --slide-l: 830px;
    --slide-p: 420px;
  }

  .hero           { padding-top: calc(var(--nav-h) + 86px); padding-bottom: 60px; height: 673px; }
  .hero-headline  { margin-bottom: 90px; }
  .footer-bio     { font-size: var(--fs-hero); top: 36px; }
  .footer-bottom  { bottom: 40px; }
  .footer-col     { gap: 32px; }
  .slide          { border-radius: 8px; } /* restore desde el 6px de 1024px */
  .hero-meta-desc { grid-column: 7 / span 3; }
  .nav-logo,
  .nav-tagline,
  .nav-about      { font-size: var(--fs-body); } /* reset nav desde 14px de 1024px */
  .project-header { padding-top: 54px; }
  .carousel-wrap  { margin-top: 56px; }
  .project        { gap: 0; }
  .work           { gap: 112px; padding-top: 0; padding-bottom: 80px; }
}

/* ── 1920px ───────────────────────────────────────── */
@media (min-width: 1920px) {
  :root {
    --fs-hero: 72px;
    --lh-hero: 1.2;
    --fs-body: 20px;
    --lh-body: 1.4;
    --nav-h:   98px;
    --margin:  64px;
    --gutter:  16px;
    --car-h:   620px;
    --car-gap: 16px;
    --slide-l: 953px;
    --slide-p: 480px;
  }

  .hero           { padding-top: calc(var(--nav-h) + 112px); padding-bottom: 80px; height: 897px; }
  .hero-headline  { margin-bottom: 160px; }
  .footer-bio     { font-size: var(--fs-hero); top: 48px; left: var(--margin); }
  .footer-bottom  { bottom: 48px; }
  .project-header { padding-top: 72px; border-top-width: 1px; }
  .carousel-wrap  { margin-top: 80px; }
  .project        { gap: 0; }
  .work           { gap: 140px; padding-top: 0; padding-bottom: 120px; }
}

/* ── 2100px ───────────────────────────────────────── */
@media (min-width: 2100px) {
  :root {
    --fs-hero: 72px;
    --lh-hero: 1.2;
    --fs-body: 22px;
    --lh-body: 1.4;
    --nav-h:   107px;
    --margin:  70px;
    --gutter:  17.5px;
    --car-h:   678px;
    --car-gap: 17.5px;
    --slide-l: 1044px;
    --slide-p: 528px;
  }

  .hero           { padding-top: calc(var(--nav-h) + 122px); padding-bottom: 96px; height: 1083px; }
  .hero-headline  { margin-bottom: 131px; }
  .footer-bio     { font-size: 74px; top: 88px; }
  .footer-bottom  { bottom: 40px; }
  .project-header { padding-top: 70px; border-top-width: 1px; }
  .carousel-wrap  { margin-top: 88px; }
  .project        { gap: 0; }
  .work           { gap: 128px; padding-top: 0; padding-bottom: 140px; }
}

/* =========================================================================
   LOADER DE PÁGINA
   Overlay que cubre mientras cargan los primeros slides. Desaparece con un
   fade suave una vez que están listos + mínimo 800 ms.
   ========================================================================= */

#loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--color-bg);
  transition: opacity 0.25s ease;
}

#loader.is-hiding {
  opacity: 0;
  pointer-events: none;
}

.loader-dot {
  position: fixed;
  top: 0;
  right: var(--margin);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  color: var(--color-ink);
  animation: loaderBlink 0.4s ease-in-out infinite;
}

@keyframes loaderBlink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}