@font-face {
  font-family: 'NeueHelvetica';
  src: url('assets/fonts/Neue Helvetica Pro 65 Medium.woff2') format('woff2');
}

:root {
  --font-big-size: 20px;
  --font-small: 12px;
  --pad: 10px;
  --gap: 10px;
  --col: calc((100vw - 2 * var(--pad) - 11 * var(--gap)) / 12);
  --col9-left: calc(var(--pad) + 8 * (var(--col) + var(--gap)));
}

body {
  min-height: 100vh;
  position: relative;
  font-family: 'NeueHelvetica', 'Arial', ui-sans-serif, system-ui, sans-serif;
  background: white;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ── Site title ── */
.site-title {
  position: fixed;
  left: var(--pad);
  right: var(--pad);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-big-size);
  color: black;
  pointer-events: none;
  z-index: 10;
}

/* ── Site about ── */
.site-about {
  position: fixed;
  top: var(--pad);
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gap);
  padding: 0 var(--pad);
  pointer-events: none;
  z-index: 10;
}

.site-about p {
  grid-column: 1 / 13;
  max-width: 500px;
  font-size: var(--font-small);
  line-height: 1.3;
  text-wrap: pretty;
}

/* ── Footer nav ── */
.footer-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  padding: var(--pad);
  gap: var(--gap);
  pointer-events: none;
  z-index: 30;
}

.footer-nav > * {
  pointer-events: auto;
}

.dark-mode-btn {
  grid-column: 1 / 2;
  font-size: var(--font-small);
  color: black;
  cursor: pointer;
}

body.dark .dark-mode-btn {
  color: white;
}

/* ── Dark mode ── */
body.dark {
  background: black;
  color: white;
}

body.dark .site-title {
  color: white;
}

.nav-links {
  grid-column: 9 / 13;
  display: flex;
  gap: 20px;
  font-size: var(--font-small);
  color: black;
}

.nav-links a {
  color: inherit;
  text-decoration: none;
}

body.dark .nav-links {
  color: white;
}

/* ── Project list ── */
.project-list {
  position: fixed;
  top: 200px;
  left: var(--pad);
  display: flex;
  flex-direction: column;
  color: black;
  z-index: 20;
}

body.dark .project-list {
  color: white;
}

.list-row {
  display: flex;
  text-decoration: none;
  color: inherit;
  font-size: var(--font-small);
  line-height: 1.4;
  transition: opacity 0.4s ease;
}

.list-row.dimmed {
  opacity: 0.3;
}

.list-name {
  width: 260px;
  flex-shrink: 0;
}

.list-type {
  width: 300px;
  flex-shrink: 0;
}

.list-year {
  flex-shrink: 0;
}

/* ── Carousel ── */
.carousel {
  position: fixed;
  top: var(--pad);
  left: var(--col9-left);
  right: var(--pad);
  z-index: 25;
  display: none;
  flex-direction: column;
}

.carousel.visible {
  display: flex;
}

.carousel-img-wrapper {
  position: relative;
}

.carousel img {
  width: 100%;
  height: auto;
  display: block;
}

.carousel-prev,
.carousel-next {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
}

.carousel-prev { left: 0;  cursor: w-resize; }
.carousel-next { right: 0; cursor: e-resize; }

.carousel-footer {
  display: flex;
  gap: 20px;
  margin-top: 10px;
  font-size: var(--font-small);
  align-items: center;
}

.carousel-title {
  display: none;
  font-size: var(--font-small);
  margin-bottom: 5px;
}

.carousel-visit {
  text-decoration: none;
  color: inherit;
}

.carousel-close {
  margin-left: auto;
  cursor: pointer;
  color: inherit;
  font-size: var(--font-small);
  font-family: inherit;
  background: none;
  border: none;
  padding: 0;
}

/* ── Projects scroll container ── */
#projects-container {
  position: fixed;
  left: 50%;
  top: 0;
  bottom: 0;
  transform: translateX(-50%);
  width: 25vw;
  overflow-y: scroll;
  scrollbar-width: none;
  -ms-overflow-style: none;
  z-index: 1;
}

#projects-container::-webkit-scrollbar {
  display: none;
}

#projects-track {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 10px 0;
}

.project {
  width: 100%;
  position: relative;
  cursor: pointer;
  isolation: isolate;
}

.project img {
  width: 100%;
  height: auto;
  display: block;
  pointer-events: none;
  transition: opacity 0.5s ease, filter 0.5s ease;
}

@media (hover: hover) {
  #projects-track:has(.project:hover) .project:not(:hover) img {
    opacity: 0.1;
  }
}

#projects-track:has(.project.touching) .project:not(.touching) img {
  opacity: 0.1;
}

#projects-track:has(.project.touching) .project.touching img {
  opacity: 1;
}

.project.touching .project-name {
  opacity: 1;
}

#projects-track:has(.project.active) .project:not(.active) img {
  opacity: 0.1;
}

.project.active img {
  filter: blur(6px);
}

.project.active .project-name {
  opacity: 1;
}

.project-name {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: var(--font-small);
  line-height: 1.4;
  color: white;
  mix-blend-mode: difference;
  opacity: 0;
  transition: opacity 0.4s;
}

@media (hover: hover) {
  .project:hover .project-name {
    opacity: 1;
  }
}

@media (max-width: 768px) {
  #projects-container {
    width: 80vw;
    scroll-snap-type: y mandatory;
  }

  .project {
    scroll-snap-align: center;
    opacity: 0.2;
  }

  .project.snap-active {
    opacity: 1;
  }

  /* Desactiva el dimming de desktop en mobile — snap controla la opacidad */
  #projects-track:has(.project.touching) .project:not(.touching) img,
  #projects-track:has(.project.active) .project:not(.active) img {
    opacity: 1;
  }

  #projects-track:has(.project.touching) .project.touching img,
  .project.active img {
    opacity: 1;
    filter: none;
  }

  .project-list { display: none; }

  .footer-nav {
    grid-template-columns: repeat(6, 1fr);
  }

  .dark-mode-btn {
    grid-column: 1 / 4;
  }

  .nav-links {
    grid-column: 4 / 7;
    justify-content: flex-end;
  }

  .carousel {
    left: 10px;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
  }

  .carousel.visible {
    display: flex;
  }

  .carousel-title {
    display: block;
  }

  .carousel-footer {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--gap);
    margin-top: 10px;
    align-items: center;
  }

  #carousel-counter {
    grid-column: 1 / 2;
  }

  #carousel-visit {
    grid-column: 2 / 4;
  }

  .carousel-close {
    grid-column: 6 / 7;
    margin-left: 0;
  }
}