/* ============================================================
   PROJECT.CSS — Páginas individuales de proyecto
   Extiende portfolio.css con layout específico de caso de estudio
   ============================================================ */

/* ── PROJECT PAGE LAYOUT ── */
.project-page #main-content {
  /* Same margin as main */
}

/* ── PROJECT HERO ── */
.proj-hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--border);
}

.proj-hero-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 32px;
  transition: color var(--transition);
}

.proj-hero-back:hover { color: var(--text); }

.proj-hero-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.proj-category-badge {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid;
}

.proj-category-badge.blue   { color: var(--blue);   border-color: rgba(88,166,255,0.3);   background: rgba(88,166,255,0.08); }
.proj-category-badge.purple { color: var(--purple);  border-color: rgba(163,113,247,0.3); background: rgba(163,113,247,0.08); }
.proj-category-badge.green  { color: var(--accent);  border-color: rgba(16,185,129,0.3);  background: rgba(16,185,129,0.08); }
.proj-category-badge.red    { color: var(--red);     border-color: rgba(248,81,73,0.3);   background: rgba(248,81,73,0.08); }
.proj-category-badge.orange { color: var(--orange);  border-color: rgba(227,179,65,0.3);  background: rgba(227,179,65,0.08); }

.proj-hero-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.15;
}

.proj-hero-tagline {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 32px;
}

.proj-hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

/* Project meta info row */
.proj-meta-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.proj-meta-item {
  background: var(--bg-surface);
  padding: 16px 20px;
}

.proj-meta-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-subtle);
  margin-bottom: 4px;
}

.proj-meta-value {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

/* ── CASE STUDY CONTENT ── */
.proj-content {
  padding: 64px 0;
}

.proj-content-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 64px;
  align-items: start;
}

/* Main content area */
.proj-main { display: flex; flex-direction: column; gap: 56px; min-width: 0; }

/* Sidebar sticky */
.proj-sidebar {
  position: sticky;
  top: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Content blocks */
.content-block { display: flex; flex-direction: column; gap: 16px; min-width: 0; }

.content-block-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.content-block p {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.8;
}

.content-block h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

/* Feature list */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-item {
  display: flex;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}

.feature-item:hover { border-color: var(--border-mid); }

.feature-item-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
}

.feature-item-icon.blue   { background: rgba(88,166,255,0.10);  color: var(--blue); }
.feature-item-icon.purple { background: rgba(163,113,247,0.10); color: var(--purple); }
.feature-item-icon.green  { background: rgba(16,185,129,0.10);  color: var(--accent); }
.feature-item-icon.red    { background: rgba(248,81,73,0.10);   color: var(--red); }
.feature-item-icon.orange { background: rgba(227,179,65,0.10);  color: var(--orange); }

.feature-item-text strong {
  display: block;
  font-size: 13px;
  color: var(--text);
  margin-bottom: 3px;
}

.feature-item-text p {
  font-size: 12.5px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* Architecture diagram block */
.arch-block {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  min-width: 0;
}

.arch-block pre {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-muted);
  line-height: 1.7;
  overflow-x: auto;
  white-space: pre;
}

.arch-block pre .accent { color: var(--accent); }
.arch-block pre .blue   { color: var(--blue); }
.arch-block pre .purple { color: var(--purple); }

/* Media / screenshot block */
.media-block {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-surface);
}

.media-block-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
}

.media-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-mid);
}

.media-block-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.media-placeholder {
  background: var(--bg-card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

.media-placeholder i { font-size: 28px; display: block; margin-bottom: 8px; opacity: 0.4; }

.media-block img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* ── SIDEBAR WIDGETS ── */
.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sidebar-widget-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

/* Stack widget */
.stack-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stack-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 12.5px;
}

.stack-row:last-child { border-bottom: none; }

.stack-row .label { color: var(--text-muted); flex-shrink: 0; }
.stack-row .value { 
  color: var(--text); 
  font-weight: 500; 
  font-family: var(--mono); 
  font-size: 11px; 
  text-align: right; 
}

/* Key metrics widget */
.metric-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.metric-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.metric-row .metric-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-subtle);
}

.metric-row .metric-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
}

/* CTA widget */
.cta-widget {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cta-widget .btn-primary,
.cta-widget .btn-secondary {
  width: 100%;
  justify-content: center;
  font-size: 13px;
}

/* ── RESPONSIVE (project pages) ── */
@media (max-width: 860px) {
  .proj-content-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .proj-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .proj-meta-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .proj-hero { padding: 80px 0 40px; }
  .proj-meta-row { grid-template-columns: 1fr 1fr; }
  .proj-sidebar { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════════
   MULTIMEDIA COMPONENTS
   ══════════════════════════════════════════ */

/* ── IMAGE CAROUSEL ── */
.proj-carousel-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-surface);
  position: relative;
}

.carousel-container {
  position: relative;
  overflow: hidden;
  background: #000;
  aspect-ratio: 16/9;
}

.carousel-slides {
  display: flex;
  width: 500%; /* 5 slides default */
  height: 100%;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Dynamic widths based on count — override per page via JS */
.carousel-slides.count-2 { width: 200%; }
.carousel-slides.count-3 { width: 300%; }
.carousel-slides.count-4 { width: 400%; }
.carousel-slides.count-5 { width: 500%; }
.carousel-slides.count-6 { width: 600%; }

.carousel-slide {
  flex: 1;
  min-width: 0;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* Nav arrows */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  background: rgba(13, 17, 23, 0.8);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text);
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all var(--transition);
  backdrop-filter: blur(4px);
}

.carousel-btn:hover { background: rgba(13,17,23,0.95); border-color: var(--border-mid); }
.carousel-btn.prev { left: 12px; }
.carousel-btn.next { right: 12px; }

/* Counter */
.carousel-counter {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(13,17,23,0.8);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 11px;
  color: var(--text-muted);
  backdrop-filter: blur(4px);
  z-index: 10;
  font-family: var(--mono);
}

/* Fullscreen button */
.carousel-fullscreen-btn {
  position: absolute;
  top: 12px;
  left: 12px;
  width: 30px;
  height: 30px;
  background: rgba(13,17,23,0.8);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 11px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all var(--transition);
  backdrop-filter: blur(4px);
}
.carousel-fullscreen-btn:hover { color: var(--text); border-color: var(--border-mid); }

/* Indicators */
.carousel-indicators-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}

.carousel-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border-mid);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
}
.carousel-dot.active { background: var(--accent); transform: scale(1.3); }
.carousel-dot:hover  { background: var(--text-muted); }

/* Fullscreen modal */
.carousel-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  z-index: 9000;
  align-items: center;
  justify-content: center;
}
.carousel-modal.active { display: flex; }

.carousel-modal img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius);
}

.carousel-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  background: rgba(30,30,30,0.9);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-modal-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: rgba(30,30,30,0.9);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.carousel-modal-nav:hover { background: rgba(50,50,50,0.95); }
.carousel-modal-prev { left: 20px; }
.carousel-modal-next { right: 20px; }

.carousel-modal-counter {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--mono);
}

/* ── DEMO TABS ── */
.demo-tabs-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-surface);
}

.demo-tabs-header {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

.demo-tab-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
  margin-bottom: -1px;
}

.demo-tab-btn:hover { color: var(--text); background: var(--bg-hover); }

.demo-tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: var(--bg-surface);
}

.demo-tab-pane { display: none; padding: 24px; }
.demo-tab-pane.active { display: block; }

/* YouTube embed */
.youtube-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  border: 1px solid var(--border);
}

.youtube-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-caption {
  margin-top: 14px;
}

.video-caption h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.video-caption p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ── CHALLENGES & SOLUTIONS ── */
.challenges-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.challenge-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-card);
}

.challenge-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
}

.challenge-header i {
  color: var(--orange);
  font-size: 13px;
}

.challenge-header h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.challenge-body {
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.challenge-problem,
.challenge-solution {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.challenge-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.challenge-problem .challenge-label { color: var(--red); }
.challenge-solution .challenge-label { color: var(--accent); }

.challenge-problem p,
.challenge-solution p {
  font-size: 12.5px;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

/* ── WORKFLOW STEPS ── */
.workflow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.workflow-step {
  background: var(--bg-card);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.workflow-step-num {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--mono);
}

.workflow-step-icon {
  font-size: 18px;
  color: var(--text-muted);
}

.workflow-step h4 {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.workflow-step p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

/* ── TESTIMONIALS ── */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color var(--transition);
}

.testimonial-card:hover { border-color: var(--border-mid); border-left-color: var(--accent); }

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.testimonial-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.testimonial-role {
  font-size: 11px;
  color: var(--text-muted);
}

.testimonial-quote {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.65;
  font-style: italic;
  margin: 0;
}

.testimonial-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.metric-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(16,185,129,0.2);
}

.metric-badge.blue   { background: rgba(88,166,255,0.08);  color: var(--blue);   border-color: rgba(88,166,255,0.2); }
.metric-badge.purple { background: rgba(163,113,247,0.08); color: var(--purple); border-color: rgba(163,113,247,0.2); }
.metric-badge.orange { background: rgba(227,179,65,0.08);  color: var(--orange); border-color: rgba(227,179,65,0.2); }

/* ── PROJECT NAVIGATION (prev/next) ── */
.proj-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  margin-top: 16px;
  gap: 16px;
}

.proj-nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted) !important;
  transition: color var(--transition);
  max-width: 280px;
}

.proj-nav-link:hover { color: var(--text) !important; }

.proj-nav-link.next { flex-direction: row-reverse; text-align: right; }

.proj-nav-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-subtle);
  display: block;
  margin-bottom: 2px;
}

/* ── RESPONSIVE: multimedia ── */
@media (max-width: 700px) {
  .testimonials-grid { grid-template-columns: 1fr; }
  .challenge-body    { grid-template-columns: 1fr; }
  .workflow-steps    { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .workflow-steps    { grid-template-columns: 1fr; }
  .demo-tab-btn      { padding: 10px 14px; font-size: 12px; }
  
  .proj-navigation {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  .proj-nav-link {
    max-width: none;
    border: 1px solid var(--border);
    padding: 16px;
    border-radius: var(--radius);
    background: var(--bg-card);
  }
  .proj-nav-link.next {
    flex-direction: row;
    text-align: left;
  }
}