/* ============================================================
   proyecto.css — Individual Project Detail Pages
   Depends on: variables.css, main.css, components.css
   ============================================================ */


/* ============================================================
   1. HERO SECTION OVERRIDE
   ============================================================ */

.proyecto-hero {
  background-color: var(--color-primary);
  color: #ffffff;
  text-align: center;
  padding: var(--spacing-20) var(--spacing-6);
}

.proyecto-hero h1,
.proyecto-hero h2,
.proyecto-hero p {
  color: #ffffff;
}

.proyecto-hero h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-4);
}

.proyecto-hero p {
  font-size: var(--font-size-lg);
  opacity: 0.85;
  max-width: 640px;
  margin-inline: auto;
}

@media (min-width: 768px) {
  .proyecto-hero {
    padding: var(--spacing-24) var(--spacing-8);
  }

  .proyecto-hero h1 {
    font-size: var(--font-size-5xl);
  }
}


/* ============================================================
   2. PHOTO GALLERY — SLIDESHOW
   ============================================================ */

.proyecto-galeria {
  padding: var(--spacing-12) var(--spacing-6);
}

.proyecto-galeria h2 {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-8);
}

/* Slideshow container */
.proyecto-slideshow {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  background: var(--color-secondary);
  aspect-ratio: 4 / 3;
}

/* Individual slide */
.proyecto-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.65s ease-in-out;
  will-change: opacity;
  pointer-events: none;
}

.proyecto-slide.active {
  opacity: 1;
  pointer-events: auto;
}

.proyecto-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  cursor: zoom-in;
  transition: transform 0.55s ease-out;
}

.proyecto-slideshow:hover .proyecto-slide.active img {
  transform: scale(1.025);
}

/* Navigation arrows — hidden until hover */
.slideshow-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background: rgba(31, 26, 24, 0.62);
  color: #fff;
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  opacity: 0;
  transition: background var(--transition-fast), opacity var(--transition-fast);
}

.proyecto-slideshow:hover .slideshow-btn {
  opacity: 1;
}

.slideshow-btn:hover {
  background: var(--color-primary);
}

.slideshow-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  opacity: 1;
}

.slideshow-btn--prev { left: var(--spacing-3); }
.slideshow-btn--next { right: var(--spacing-3); }

/* Dot indicators */
.slideshow-dots {
  position: absolute;
  bottom: var(--spacing-3);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 10;
}

.slideshow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.38);
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.slideshow-dot.active {
  background: var(--color-accent);
  transform: scale(1.45);
}

/* Image counter — top right */
.slideshow-counter {
  position: absolute;
  top: var(--spacing-3);
  right: var(--spacing-3);
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  z-index: 10;
  letter-spacing: 0.04em;
  pointer-events: none;
  user-select: none;
}


/* ============================================================
   3. LIGHTBOX
   ============================================================ */

.proyecto-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background-color: rgba(0, 0, 0, 0.93);
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
}

.proyecto-lightbox.open {
  display: flex;
}

.lightbox-img-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.proyecto-lightbox img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

/* Shared button base */
.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: fixed;
  background: transparent;
  border: none;
  color: #ffffff;
  cursor: pointer;
  font-size: var(--font-size-2xl);
  line-height: 1;
  padding: var(--spacing-3);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), opacity var(--transition-fast);
  opacity: 0.75;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background-color: rgba(255, 255, 255, 0.12);
  opacity: 1;
}

/* Close — top right */
.lightbox-close {
  top: var(--spacing-4);
  right: var(--spacing-4);
  font-size: var(--font-size-3xl);
}

/* Arrows — vertical center, left/right edges */
.lightbox-prev,
.lightbox-next {
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--font-size-4xl);
}

.lightbox-prev {
  left: var(--spacing-4);
}

.lightbox-next {
  right: var(--spacing-4);
}


/* ============================================================
   4. RESPONSIVE VIDEO EMBED + YOUTUBE LITE
   ============================================================ */

.proyecto-video {
  padding: var(--spacing-12) var(--spacing-6);
}

.proyecto-video h2 {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-6);
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ── YouTube Lite Embed ───────────────────────────────────────────
   Shows a thumbnail + play button until the user clicks.
   Falls back to a "Ver en YouTube" link if embedding is blocked.
   ─────────────────────────────────────────────────────────────── */

.yt-lite {
  position: absolute;
  inset: 0;
  background: oklch(15% 0.008 30);
  cursor: pointer;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.yt-lite .yt-thumb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
  transition: opacity var(--transition-fast);
}

.yt-lite:hover .yt-thumb {
  opacity: 1;
}

.yt-lite .yt-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 68px;
  height: 48px;
  background: #ff0000;
  border: none;
  border-radius: 12px;
  color: white;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
  line-height: 1;
}

.yt-lite:hover .yt-play-btn {
  background: #cc0000;
  transform: translate(-50%, -50%) scale(1.08);
}

/* "Ver en YouTube" link — always visible as fallback */
.yt-lite .yt-external {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  background: rgba(0, 0, 0, 0.72);
  color: #fff;
  font-size: var(--font-size-xs);
  font-weight: 500;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background var(--transition-fast);
  pointer-events: all;
}

.yt-lite .yt-external:hover {
  background: rgba(0, 0, 0, 0.92);
  color: #fff;
}

/* Once activated (iframe injected), hide the play button */
.yt-lite.active .yt-play-btn,
.yt-lite.active .yt-thumb,
.yt-lite.active .yt-external {
  display: none;
}

.yt-lite iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}


/* ============================================================
   5. SPECS / CARACTERÍSTICAS
   ============================================================ */

.proyecto-specs {
  padding: var(--spacing-12) var(--spacing-6);
  background-color: var(--color-bg-alt);
}

.proyecto-specs h2 {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-8);
}

.specs-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-4);
}

@media (min-width: 768px) {
  .specs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.spec-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
  background-color: var(--color-bg-main);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.spec-item::before {
  content: "✓";
  color: var(--color-secondary);
  font-weight: 700;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
  line-height: 1.4;
}

.spec-item .spec-icon {
  flex-shrink: 0;
  color: var(--color-secondary);
  font-size: var(--font-size-xl);
  line-height: 1.4;
}

/* When using .spec-icon, hide the ::before checkmark */
.spec-item:has(.spec-icon)::before {
  display: none;
}

.spec-item .spec-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.spec-item .spec-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.spec-item .spec-value {
  font-size: var(--font-size-base);
  color: var(--color-text-main);
  font-weight: 500;
}


/* ============================================================
   6. GOOGLE MAPS EMBED
   ============================================================ */

.proyecto-mapa {
  padding: var(--spacing-12) var(--spacing-6);
}

.proyecto-mapa h2 {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-6);
}

.mapa-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 500px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.mapa-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: var(--radius-lg);
}


/* ============================================================
   7. UNIT TABS (e.g. M16 floor plans)
   ============================================================ */

.proyecto-tabs {
  padding: var(--spacing-12) var(--spacing-6);
}

.proyecto-tabs h2 {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-6);
}

.tabs-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-6);
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-5);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-xl);
  background-color: transparent;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast);
}

.tab-btn:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

.tab-btn.active {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

/* Tab panels */
.tab-panel {
  display: none;
  animation: fadeInPanel var(--transition-normal) ease-in-out;
}

.tab-panel.active {
  display: block;
}

@keyframes fadeInPanel {
  from {
    opacity: 0;
    transform: translateY(var(--spacing-2));
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tab-panel img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.tab-panel .tab-content {
  margin-top: var(--spacing-6);
}


/* ============================================================
   8. CTA SECTION
   ============================================================ */

.proyecto-cta {
  padding: var(--spacing-16) var(--spacing-6);
  background-color: var(--color-bg-alt);
  text-align: center;
}

.proyecto-cta h2 {
  font-size: var(--font-size-3xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-4);
}

.proyecto-cta p {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--spacing-8);
}

.proyecto-cta .btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
  justify-content: center;
  align-items: center;
}


/* ============================================================
   UTILITY: Section max-width centering
   ============================================================ */

.proyecto-galeria,
.proyecto-video,
.proyecto-specs,
.proyecto-mapa,
.proyecto-tabs,
.proyecto-cta {
  max-width: var(--max-width);
  margin-inline: auto;
}