/* ═══════════════════════════════════════════════════════════════════
   LS DOMÓTICA — proyectos.css
   ------------------------------------------------------------------
   Casos reales con previews de video y detalle expandido.
═══════════════════════════════════════════════════════════════════ */

.portfolio {
  padding: var(--section-pad) 0;
  background:
    linear-gradient(180deg, rgba(7, 9, 15, 0) 0%, rgba(15, 23, 42, 0.34) 48%, rgba(7, 9, 15, 0) 100%),
    var(--bg);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  max-width: 1080px;
  margin: 0 auto;
}

.portfolio-loading {
  grid-column: 1 / -1;
  padding: 28px;
  text-align: center;
  color: rgba(220, 228, 255, 0.64);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.025);
}

.proj-card {
  display: grid;
  grid-template-rows: auto 1fr;
  padding: 0;
  overflow: hidden;
  text-align: left;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.025));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  color: var(--text);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.32);
  transition: transform var(--t-normal), border-color var(--t-normal), box-shadow var(--t-normal);
}

.proj-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 149, 255, 0.36);
  box-shadow: 0 30px 90px rgba(0, 149, 255, 0.18);
}

.proj-card-media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0a0f1a;
}

.proj-card-media::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(440px 260px at 18% 12%, rgba(0, 212, 255, 0.28), transparent 68%),
    radial-gradient(340px 220px at 82% 24%, rgba(91, 141, 239, 0.2), transparent 70%),
    linear-gradient(135deg, #071426 0%, #0f172a 56%, #020617 100%);
  transform: scale(1.02);
}

.proj-card-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 42%, rgba(2, 6, 23, 0.84) 100%),
    radial-gradient(420px 260px at 20% 12%, rgba(0, 212, 255, 0.16), transparent 70%);
  pointer-events: none;
}

.proj-card video,
.proj-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  filter: saturate(1.05) contrast(1.04);
}

.proj-card video {
  position: relative;
  z-index: 0;
  opacity: 0;
  transition: opacity 220ms ease;
}

.proj-card-media.is-ready video {
  opacity: 1;
}

.proj-card-media.is-error video {
  display: none;
}

.proj-card-placeholder {
  position: relative;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(420px 240px at 22% 18%, rgba(0, 212, 255, 0.22), transparent 68%),
    linear-gradient(135deg, #071426 0%, #0f172a 100%);
}

.proj-card-badge {
  position: absolute;
  left: 16px;
  bottom: 16px;
  z-index: 1;
  padding: 6px 11px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(238, 242, 255, 0.9);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
}

.proj-card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px;
}

.proj-card-kicker {
  color: #38bdf8;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.proj-card-body strong {
  font-family: var(--font-display);
  color: #fff;
  font-size: clamp(1.35rem, 2vw, 1.7rem);
  line-height: 1.1;
}

.proj-card-body span:not(.proj-card-kicker) {
  color: rgba(220, 228, 255, 0.67);
  font-size: 0.93rem;
  line-height: 1.55;
}

.proj-card-body em {
  margin-top: 8px;
  color: #93c5fd;
  font-style: normal;
  font-size: 0.9rem;
  font-weight: 800;
}

.project-detail {
  margin-top: 44px;
  padding: 28px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.018));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 22px;
  box-shadow: 0 26px 86px rgba(0, 0, 0, 0.35);
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  padding: 9px 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  color: rgba(238, 242, 255, 0.82);
  font-weight: 800;
  transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
}

.back-btn:hover {
  color: #fff;
  border-color: rgba(0, 149, 255, 0.45);
  background: rgba(0, 149, 255, 0.08);
}

.proj-featured {
  display: grid;
  grid-template-columns: minmax(260px, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(28px, 5vw, 60px);
  align-items: center;
}

.proj-featured-media {
  display: flex;
  justify-content: center;
  position: relative;
}

.proj-featured video,
.proj-featured img,
.proj-featured iframe,
.proj-featured-placeholder {
  width: min(100%, 360px);
  max-height: 680px;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  border-radius: 30px;
  background: #0f172a;
  padding: 9px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 28px 86px rgba(0, 0, 0, 0.48);
}

.proj-featured-placeholder {
  display: block;
  background:
    radial-gradient(360px 320px at 28% 18%, rgba(0, 212, 255, 0.24), transparent 72%),
    linear-gradient(145deg, #071426 0%, #111827 100%);
}

.proj-featured iframe {
  height: min(680px, 72vh);
}

.proj-featured-text {
  min-width: 0;
}

.proj-featured-text h3 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  color: #ffffff;
  margin: 12px 0 18px;
}

.proj-featured-desc {
  font-size: 0.97rem;
  color: rgba(220, 228, 255, 0.72);
  line-height: 1.76;
  margin: 0;
}

.proj-featured-desc.highlight {
  color: #ffffff;
  font-weight: 700;
}

#project-description {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.proj-badge {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(34, 197, 94, 0.1);
  color: #86efac;
  border: 1px solid rgba(34, 197, 94, 0.22);
}

@media (max-width: 860px) {
  .portfolio-grid,
  .proj-featured {
    grid-template-columns: 1fr;
  }

  .project-detail {
    padding: 22px;
  }
}

@media (max-width: 520px) {
  .proj-card-body {
    padding: 18px;
  }

  .proj-featured video,
  .proj-featured img,
  .proj-featured iframe,
  .proj-featured-placeholder {
    width: min(100%, 300px);
    border-radius: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .proj-card,
  .back-btn {
    transition: none !important;
  }
}