/* ============================================================
   ESTÁNDAR INGENIEROS — Proyectos Page
   ============================================================ */

/* ── Projects Main Grid ────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  transition: all var(--transition-base);
}

@media (min-width: 640px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ── Project Filter Bar ────────────────────────────────────── */
.projects-filter-bar {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

@media (min-width: 640px) {
  .projects-filter-bar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.projects-count {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.projects-count strong {
  color: var(--color-text-primary);
  font-weight: var(--weight-semibold);
}

/* ── Project Card (Extended) ───────────────────────────────── */
.project-card--full {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-slow);
  display: flex;
  flex-direction: column;
}

.project-card--full:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-orange);
}

.project-card--full .project-card__image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
}

.project-card--full .project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slower);
}

.project-card--full:hover .project-card__image img {
  transform: scale(1.06);
}

.project-card--full .project-card__body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-card--full .project-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.project-card--full .project-card__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  letter-spacing: var(--tracking-snug);
}

.project-card--full .project-card__location {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

.project-card--full .project-card__location svg {
  width: 14px;
  height: 14px;
  fill: var(--color-orange);
  flex-shrink: 0;
}

.project-card--full .project-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  flex: 1;
  margin-bottom: var(--space-5);
}

.project-card--full .project-card__services {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.project-card--full .project-card__service-tag {
  padding: var(--space-1) var(--space-3);
  background: var(--color-bg-section);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
}

.project-card--full .project-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.project-card--full .project-card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-orange);
  text-decoration: none;
  transition: gap var(--transition-fast);
  opacity: 1;
  transform: none;
}

.project-card--full .project-card__cta:hover {
  gap: var(--space-3);
}

.project-card--full .project-card__cta svg {
  width: 16px;
  height: 16px;
}

/* ── Project Placeholder Images ────────────────────────────── */
.project-img {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.project-img--1 {
  background: linear-gradient(135deg, #1E2820 0%, #2A3830 50%, #1A2820 100%);
}
.project-img--2 {
  background: linear-gradient(135deg, #201E28 0%, #302838 50%, #201A28 100%);
}
.project-img--3 {
  background: linear-gradient(135deg, #28201E 0%, #382820 50%, #281A1A 100%);
}
.project-img--4 {
  background: linear-gradient(135deg, #1E2028 0%, #282038 50%, #1A1A28 100%);
}
.project-img--5 {
  background: linear-gradient(135deg, #282018 0%, #383018 50%, #281E10 100%);
}
.project-img--6 {
  background: linear-gradient(135deg, #182028 0%, #182838 50%, #101A28 100%);
}

.project-img__pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.project-img__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(243,146,0,0.05) 0%, transparent 60%);
}

.project-img__icon {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.project-img__icon svg {
  width: 48px;
  height: 48px;
  fill: rgba(255,255,255,0.15);
}

.project-img__icon span {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.25);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

/* ── Project Gallery Trigger ───────────────────────────────── */
.project-card__gallery-trigger {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  position: relative;
}

.project-card__gallery-badge {
  position: absolute;
  bottom: var(--space-3);
  right: var(--space-3);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(0,0,0,0.55);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
  transition: background var(--transition-fast);
}

.project-card__gallery-trigger:hover .project-card__gallery-badge {
  background: var(--color-orange);
}

.project-card__gallery-badge svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

/* ── Lightbox / Photo Viewer ───────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(10,10,10,0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

.lightbox[hidden] {
  display: none;
}

.lightbox__stage {
  position: relative;
  max-width: min(1100px, 92vw);
  max-height: 86vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox__image {
  max-width: 100%;
  max-height: 76vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  display: block;
}

.lightbox__caption {
  color: rgba(255,255,255,0.88);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  margin-top: var(--space-4);
  text-align: center;
}

.lightbox__counter {
  color: rgba(255,255,255,0.45);
  font-size: var(--text-xs);
  margin-top: var(--space-1);
}

.lightbox__close,
.lightbox__arrow {
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.20);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 2;
  transition: background var(--transition-fast);
}

.lightbox__close:hover,
.lightbox__arrow:hover {
  background: rgba(255,255,255,0.22);
}

.lightbox__close {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  width: 44px;
  height: 44px;
}

.lightbox__close svg {
  width: 20px;
  height: 20px;
}

.lightbox__arrow {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
}

.lightbox__arrow svg {
  width: 24px;
  height: 24px;
}

.lightbox__arrow--prev { left: var(--space-5); }
.lightbox__arrow--next { right: var(--space-5); }

@media (max-width: 640px) {
  .lightbox__arrow { width: 40px; height: 40px; }
  .lightbox__arrow svg { width: 18px; height: 18px; }
  .lightbox__arrow--prev { left: var(--space-2); }
  .lightbox__arrow--next { right: var(--space-2); }
  .lightbox__close { width: 38px; height: 38px; top: var(--space-3); right: var(--space-3); }
}

/* ── Hidden project (for filter) ──────────────────────────── */
.project-card--full.is-hidden {
  display: none;
}

/* ── No results message ────────────────────────────────────── */
.projects-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-16) var(--space-6);
  display: none;
}

.projects-empty.is-visible {
  display: block;
}

.projects-empty__icon {
  width: 64px;
  height: 64px;
  background: var(--color-bg-section);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}

.projects-empty__icon svg {
  width: 32px;
  height: 32px;
  fill: var(--color-text-muted);
}

.projects-empty__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.projects-empty__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}