/* =============================================
   PORTFOLIO.CSS — Bogdan Detailing
   Layout: Galería de trabajos realizados y Lightbox Premium
============================================= */

/* ── INTRO SEO ─────────────────────────────── */
.portfolio-intro {
  padding: var(--s10) var(--s8);
  background: var(--gris-2);
  border-bottom: 1px solid var(--gris-4);
}

.portfolio-intro__inner {
  max-width: 860px;
  margin: 0 auto;
}

.portfolio-intro p {
  color: var(--gris-texto);
  line-height: 1.65;
  margin: 0;
}

/* ── PAGE HEADER ───────────────────────────── */
.srv-header {
  position: relative;
  padding: calc(68px + var(--s20)) var(--s8) var(--s16);
  background: var(--gris-1);
  overflow: hidden;
  border-bottom: 1px solid var(--gris-4);
}

.srv-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, var(--rojo) 20%, var(--rojo) 80%, transparent 100%);
}

.srv-header__inner {
  position: relative;
  z-index: 2;
  max-width: 860px;
  margin: 0 auto;
}

.srv-header__eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--rojo);
  font-weight: 700;
  margin-bottom: var(--s4);
}

.srv-header__title {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  line-height: 0.95;
  margin-bottom: var(--s6);
}

.srv-header__title em {
  font-style: normal;
  -webkit-text-stroke: 2px var(--blanco);
  color: transparent;
}

.srv-header__sub {
  font-size: var(--text-base);
  color: var(--gris-texto);
  letter-spacing: 0.04em;
  max-width: 500px;
}

/* Decoración tipográfica de fondo */
.srv-header__bg-word {
  position: absolute;
  right: -2%;
  top: 50%;
  transform: translateY(-50%);
  font-size: clamp(5rem, 16vw, 14rem);
  font-weight: 900;
  letter-spacing: -0.06em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.04);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  z-index: 1;
}

/* ── PORTFOLIO MAIN CONTAINER ──────────────── */
.portfolio-main {
  background: var(--negro);
  padding: var(--s16) var(--s8);
  min-height: 50vh;
}

.portfolio-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: var(--s8);
  align-items: start;
}

/* ── PROJECT CARD PREMIUM ──────────────────── */
.project-card {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  background: var(--gris-2);
  border: 1px solid var(--gris-4);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: block;
  text-decoration: none;
}

.project-card__img-wrap {
  position: relative;
  display: block;
  overflow: hidden;
  width: 100%;
}

.project-card__img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), filter 0.4s ease;
  filter: brightness(0.9);
}

/* Capa de degradado sobre la imagen */
.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,10,10,0.95) 0%, rgba(10,10,10,0.4) 45%, transparent 100%);
  transition: opacity 0.4s ease;
  z-index: 1;
}

/* Badge contador de fotos flotante superior */
.project-card__badge {
  position: absolute;
  top: var(--s4);
  right: var(--s4);
  background: rgba(12,12,12,0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--blanco);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--s2) var(--s4);
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: var(--s2);
  z-index: 2;
  transition: all 0.3s ease;
  letter-spacing: 0.05em;
}

.project-card__badge i {
  color: var(--rojo);
}

/* Contenido / Metadatos inferiores */
.project-card__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--s8) var(--s6) var(--s6);
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: var(--s1);
  transition: transform 0.4s ease;
}

.project-card__tag {
  font-size: var(--text-xs);
  color: var(--rojo);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 800;
  display: block;
}

.project-card__title {
  color: var(--blanco);
  font-size: clamp(1.4rem, 2.5vw, 1.7rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.project-card__title-icon {
  font-size: 1.1rem;
  color: var(--gris-4);
  transition: transform 0.3s ease, color 0.3s ease;
}

/* Efectos Hover premium */
.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--rojo);
  box-shadow: 0 20px 40px rgba(204,0,0,0.25);
}

.project-card:hover .project-card__img {
  transform: scale(1.06);
  filter: brightness(1);
}

.project-card:hover .project-card__badge {
  border-color: var(--rojo);
  background: var(--rojo);
}

.project-card:hover .project-card__badge i {
  color: var(--blanco);
}

.project-card:hover .project-card__title-icon {
  transform: translateX(4px);
  color: var(--rojo);
}

/* ── VANILLA JS LIGHTBOX MODAL PREMIUM ─────── */
.portfolio-lb {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(4,4,4,0.94);
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

.portfolio-lb--active {
  opacity: 1;
  pointer-events: auto;
}

/* Cabecera superior del Lightbox */
.portfolio-lb__header {
  height: 70px;
  padding: 0 var(--s8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  background: linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, transparent 100%);
  flex-shrink: 0;
  z-index: 10;
}

.portfolio-lb__info {
  display: flex;
  align-items: center;
  gap: var(--s4);
}

.portfolio-lb__title {
  color: var(--blanco);
  font-size: var(--text-sm);
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--s2);
}

.portfolio-lb__title i {
  color: var(--rojo);
}

.portfolio-lb__counter {
  color: var(--gris-texto);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  background: rgba(255,255,255,0.05);
  padding: var(--s1) var(--s3);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
}

.portfolio-lb__close {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--blanco);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.25s var(--ease-spring);
}

.portfolio-lb__close:hover {
  background: var(--rojo);
  border-color: transparent;
  transform: scale(1.1) rotate(90deg);
}

/* Viewport central donde se muestra la imagen */
.portfolio-lb__viewport {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s4);
  overflow: hidden;
}

.portfolio-lb__img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 0 60px rgba(0,0,0,0.8);
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 0.3s ease, transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-lb__img--loaded {
  opacity: 1;
  transform: scale(1);
}

/* Botones de navegación laterales */
.portfolio-lb__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  background: rgba(12,12,12,0.6);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--blanco);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  cursor: pointer;
  z-index: 10;
  transition: all 0.25s var(--ease-spring);
}

.portfolio-lb__btn--prev {
  left: var(--s6);
}

.portfolio-lb__btn--next {
  right: var(--s6);
}

.portfolio-lb__btn:hover {
  background: var(--rojo);
  border-color: transparent;
  transform: translateY(-50%) scale(1.12);
}

.portfolio-lb__btn:active {
  transform: translateY(-50%) scale(0.95);
}

/* Barra inferior de miniaturas */
.portfolio-lb__thumbs {
  height: 90px;
  background: rgba(0,0,0,0.4);
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s3);
  padding: 0 var(--s6);
  overflow-x: auto;
  flex-shrink: 0;
  scrollbar-width: none;
}

.portfolio-lb__thumbs::-webkit-scrollbar {
  display: none;
}

.portfolio-lb__thumb {
  width: 64px;
  height: 48px;
  border-radius: 4px;
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  opacity: 0.4;
  transition: all 0.2s ease;
  flex-shrink: 0;
  background: var(--negro);
}

.portfolio-lb__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.portfolio-lb__thumb:hover {
  opacity: 0.8;
  transform: translateY(-2px);
}

.portfolio-lb__thumb--active {
  opacity: 1;
  border-color: var(--rojo);
  box-shadow: 0 0 15px rgba(204,0,0,0.5);
  transform: translateY(0) !important;
}

/* ── RESPONSIVE ────────────────────────────── */
@media (max-width: 600px) {
  .srv-header__title {
    font-size: clamp(2.4rem, 9vw, 3rem);
  }
  
  .portfolio-main {
    padding: var(--s10) var(--s4);
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .portfolio-lb__btn {
    width: 44px;
    height: 44px;
    font-size: 1.1rem;
  }
  
  .portfolio-lb__btn--prev { left: var(--s3); }
  .portfolio-lb__btn--next { right: var(--s3); }
  
  .portfolio-lb__header {
    padding: 0 var(--s4);
  }
  
  .portfolio-lb__thumbs {
    justify-content: flex-start;
    padding: 0 var(--s4);
  }
}