/* ============================================
   VALENTIN BARRIO — Portfolio
   ============================================ */

@font-face {
  font-family: 'Share Tech Mono';
  src: url('../fonts/ShareTechMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* --- Reset & Base --- */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
  color: #fff;
  font-family: 'Share Tech Mono', monospace;
  -webkit-font-smoothing: antialiased;
  user-select: none;
  -webkit-user-select: none;
}

/* --- CSS Variables --- */

:root {
  --footer-h: 48px;
  --transition-speed: 0.8s;
}

/* --- Viewer (everything above footer) --- */

#viewer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: var(--footer-h);
  overflow: hidden;
}

/* --- Strip: horizontal scroll container --- */

#strip {
  display: flex;
  height: 100%;
  transition: none;
}

.slide {
  position: relative;
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: block;
}

/* Text slide */
.slide--text {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.slide--text p {
  font-size: 1rem;
  line-height: 1.6;
  max-width: 600px;
  text-align: center;
}

/* Audio slide */
.slide--audio {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Ficha tecnica slide (end of project) */
.slide--ficha {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.ficha-content {
  text-align: center;
  max-width: 500px;
}

.ficha-content p {
  margin-bottom: 0.8rem;
  font-size: 0.85rem;
  line-height: 1.6;
}

.ficha-content p:last-child {
  margin-bottom: 0;
}

.ficha-desc {
  margin-bottom: 1.5rem !important;
  font-size: 1rem !important;
  line-height: 1.6;
}

.ficha-label {
  opacity: 0.5;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.65rem;
  margin-right: 0.5rem;
}

.ficha-content a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.ficha-content a:hover {
  opacity: 0.6;
}

/* Ficha navigation buttons */
.ficha-nav {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.ficha-nav__btn {
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.2s;
}

.ficha-nav__btn:hover {
  opacity: 1;
}

/* --- Mobile overrides --- */

@media (max-width: 768px) {
  .about-surname {
    display: none;
  }
}

/* --- Footer --- */

#footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--footer-h);
  border-top: 1px solid #fff;
  display: flex;
  align-items: center;
  z-index: 60;
  background: #000;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

/* Home footer */
.footer__left,
.footer__right {
  flex: 0 0 auto;
  padding: 0 1rem;
  white-space: nowrap;
}

.footer__center {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  overflow: hidden;
  white-space: nowrap;
  max-width: calc(100% - 300px);
}

/* Project footer — marquee full-width, arrows underneath via blend mode */
#footer-project {
  position: relative;
  align-items: center;
}

.footer__arrow {
  display: none;
}

.footer__arrow svg {
  width: 12px;
  height: 18px;
  fill: #fff;
  stroke: none;
}

.footer__arrow:hover {
  opacity: 0.6;
}

#btn-back { left: 0; }
#btn-next { right: 0; }

/* Marquee container — full width, text underneath arrows */
.footer__marquee {
  width: 100%;
  overflow: hidden;
  position: relative;
  transition: opacity 0.25s ease;
}

.footer__marquee-inner {
  display: inline-flex;
  white-space: nowrap;
  animation: marquee 60s linear infinite;
  color: #fff;
}

.footer__marquee-inner span {
  padding: 0 2.5rem;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Footer modes — crossfade transition */
#footer-home {
  display: flex; width: 100%; position: absolute; left: 0; right: 0;
  justify-content: space-between;
  opacity: 1;
  transition: opacity var(--transition-speed) ease;
}
#footer-project {
  display: flex; width: 100%; overflow: hidden;
  position: absolute; left: 0; right: 0;
  opacity: 0;
  transition: opacity var(--transition-speed) ease;
  pointer-events: none;
}

.view-project #footer-home { opacity: 0; pointer-events: none; }
.view-project #footer-project { opacity: 1; pointer-events: auto; }

/* Footer interactive elements */
.footer__left, .footer__right { cursor: pointer; }
.footer__left:hover, .footer__right:hover { opacity: 0.6; }
.footer__center { cursor: pointer; transition: opacity 0.25s ease; }
.footer__center:hover { opacity: 0.6; }

/* Mode switch icon */
.switch-icon {
  width: 22px;
  height: 22px;
  stroke: #fff;
  stroke-width: 1.5;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: middle;
}

/* Close button (✕) when lengüeta is open */
.footer__close {
  font-size: 1.1rem;
  line-height: 1;
}

/* --- Lengüeta (project browser menu) --- */

.lengueta {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(100%);
  background: #000;
  border: 1px solid #fff;
  border-bottom: none;
  padding: 1rem 1.5rem;
  min-width: 200px;
  z-index: 55;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  opacity: 0;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
  pointer-events: none;
}

/* Cover the footer border where lengüeta meets it */
.lengueta::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: #000;
}

.lengueta--open {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.lengueta__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  max-height: 60vh;
  overflow-y: auto;
  text-align: center;
}

.lengueta__item {
  padding: 0.2rem 0;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.2s;
  white-space: nowrap;
  width: 100%;
  text-align: center;
}

.lengueta__item:hover {
  opacity: 1;
}

.lengueta__item--active {
  opacity: 1;
}

/* Type headers in menu — bigger and more spaced */
.lengueta__type-header {
  font-weight: bold;
  font-size: 1rem;
  opacity: 0.4;
  padding: 1.3rem 0 0.25rem;
  cursor: pointer;
  letter-spacing: 0.15em;
}

.lengueta__type-header:first-child {
  padding-top: 0.2rem;
}

.lengueta__type-header:hover {
  opacity: 1;
}

.lengueta__type-header.lengueta__item--active {
  opacity: 1;
}

/* Project group — tight spacing */
.lengueta__group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  width: 100%;
}

/* Project names under types */
.lengueta__project {
  font-size: 0.75rem;
  padding: 0.15rem 0;
}

/* Navigation items */
.lengueta__nav {
  padding: 1.2rem 0 0.3rem;
  cursor: pointer;
  opacity: 0.7;
  text-align: center;
  width: 100%;
}

.lengueta__nav:hover {
  opacity: 1;
}

/* Make marquee clickable in project mode */
.view-project .footer__marquee {
  cursor: pointer;
}

/* Footer menu bar — replaces marquee when menu is open in project */
.footer__menu-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 0 1rem;
  height: 100%;
}

.footer__menu-bar .footer__close {
  font-size: 1.1rem;
  cursor: pointer;
}

.footer__menu-nav {
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.footer__menu-nav:hover {
  opacity: 1;
}

/* --- 8x8 Grid Transition --- */

#grid-transition {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: var(--footer-h);
  display: grid;
  grid-template: repeat(8, 1fr) / repeat(8, 1fr);
  z-index: 30;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
}

#grid-transition.active {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
}

.grid-cell {
  background: #000;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 150ms ease;
}

/* --- Audio Player --- */

.audio-player {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 2rem;
  max-width: 400px;
}

.audio-player__btn {
  width: 32px;
  height: 32px;
  border: 1px solid #fff;
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.audio-player__btn:hover {
  background: #fff;
}

.audio-player__btn:hover .audio-player__icon {
  border-left-color: #000;
}

/* Play triangle */
.audio-player__icon--play {
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 10px solid #fff;
  margin-left: 2px;
}

/* Pause bars */
.audio-player__icon--pause {
  display: flex;
  gap: 3px;
}

.audio-player__icon--pause span {
  width: 3px;
  height: 12px;
  background: #fff;
}

.audio-player__progress {
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.3);
  position: relative;
  cursor: pointer;
}

.audio-player__progress-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: #fff;
  width: 0%;
}

.audio-player__time {
  font-size: 0.7rem;
  opacity: 0.7;
  flex-shrink: 0;
}

/* --- Utility --- */

/* Cursor */
body { cursor: crosshair; }
.footer__arrow, .audio-player__btn, .footer__right { cursor: pointer; }