/* Portafolio de proyectos — atelier técnico MWS */
.page-projects {
  --pf-ink: #070708;
  --pf-surface: #101012;
  --pf-panel: #16161a;
  --pf-line: rgba(255, 255, 255, 0.1);
  --pf-mute: #9b9ba3;
  --pf-text: #f2f2f4;
  --pf-signal: #c9ff00;
  --pf-signal-soft: rgba(201, 255, 0, 0.14);
  --pf-display: 'Syne', 'Montserrat', system-ui, sans-serif;
  --pf-body: 'Montserrat', system-ui, sans-serif;
  --pf-mono: 'IBM Plex Mono', 'Courier New', monospace;
  --pf-ease: cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  background: var(--pf-ink);
  color: var(--pf-text);
  font-family: var(--pf-body);
  overflow-x: hidden;
}

.page-projects::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.page-projects > * {
  position: relative;
  z-index: 1;
}

/* Hero */
.pf-hero {
  min-height: min(78vh, 720px);
  display: grid;
  align-items: end;
  padding: clamp(5.5rem, 12vh, 7.5rem) clamp(1.25rem, 4vw, 3rem) clamp(2.5rem, 6vh, 4rem);
  isolation: isolate;
}

.pf-hero__stage {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background:
    radial-gradient(ellipse 55% 50% at 12% 20%, rgba(201, 255, 0, 0.16) 0%, transparent 55%),
    radial-gradient(ellipse 40% 45% at 90% 80%, rgba(201, 255, 0, 0.07) 0%, transparent 50%),
    linear-gradient(165deg, #070708 0%, #0e0e12 48%, #070708 100%);
}

.pf-hero__grid {
  position: absolute;
  inset: -8%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 70% at 40% 35%, #000 15%, transparent 72%);
  animation: pf-grid-drift 36s linear infinite;
}

.pf-hero__orbit {
  position: absolute;
  width: min(52vw, 520px);
  aspect-ratio: 1;
  right: -6%;
  top: 8%;
  border: 1px solid rgba(201, 255, 0, 0.18);
  border-radius: 50%;
  opacity: 0.55;
  animation: pf-orbit 18s var(--pf-ease) infinite;
}

.pf-hero__orbit::after {
  content: '';
  position: absolute;
  inset: 12%;
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}

.pf-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  width: 100%;
  margin: 0 auto;
}

.pf-hero__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 1.25rem;
  font-family: var(--pf-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pf-mute);
}

.pf-hero__brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  background: var(--pf-signal);
  color: #0a0a0a;
  font-family: var(--pf-display);
  font-weight: 800;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  border-radius: 6px;
}

.pf-hero__title {
  margin: 0 0 1rem;
  font-family: var(--pf-display);
  font-weight: 800;
  font-size: clamp(2.6rem, 7.2vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  max-width: 12ch;
}

.pf-hero__title em {
  font-style: normal;
  color: var(--pf-signal);
}

.pf-hero__lead {
  margin: 0 0 1.75rem;
  max-width: 36rem;
  font-size: clamp(1rem, 2.1vw, 1.15rem);
  line-height: 1.55;
  color: var(--pf-mute);
}

.pf-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.25rem;
}

.pf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 2.85rem;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  font-family: var(--pf-body);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.25s var(--pf-ease), background 0.25s, border-color 0.25s, color 0.25s;
}

.pf-btn:hover {
  transform: translateY(-2px);
}

.pf-btn--primary {
  background: var(--pf-signal);
  color: #0a0a0a;
}

.pf-btn--primary:hover {
  background: #d8ff3d;
  color: #0a0a0a;
}

.pf-btn--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.22);
  color: var(--pf-text);
}

.pf-btn--ghost:hover {
  border-color: var(--pf-signal);
  color: var(--pf-signal);
}

.pf-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--pf-line);
  max-width: 40rem;
}

.pf-hero__meta strong {
  display: block;
  font-family: var(--pf-display);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--pf-signal);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.pf-hero__meta span {
  font-family: var(--pf-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pf-mute);
}

/* Filters */
.pf-filters {
  position: sticky;
  top: 72px;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(7, 7, 8, 0.82);
  border-top: 1px solid var(--pf-line);
  border-bottom: 1px solid var(--pf-line);
}

.pf-filters__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0.85rem clamp(1.25rem, 4vw, 3rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
}

.pf-filters__label {
  font-family: var(--pf-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pf-mute);
  margin-right: 0.35rem;
}

.pf-chip {
  appearance: none;
  border: 1px solid var(--pf-line);
  background: var(--pf-panel);
  color: var(--pf-mute);
  border-radius: 999px;
  padding: 0.45rem 0.95rem;
  font-family: var(--pf-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s var(--pf-ease);
}

.pf-chip:hover {
  border-color: rgba(201, 255, 0, 0.45);
  color: var(--pf-text);
}

.pf-chip.is-active {
  background: var(--pf-signal);
  border-color: var(--pf-signal);
  color: #0a0a0a;
}

.pf-chip__count {
  opacity: 0.7;
  margin-left: 0.2rem;
}

/* Sections / mosaic */
.pf-section {
  padding: clamp(2.5rem, 6vh, 4rem) clamp(1.25rem, 4vw, 3rem) clamp(1rem, 3vh, 2rem);
}

.pf-section.is-hidden {
  display: none;
}

.pf-section__head {
  max-width: 1180px;
  margin: 0 auto 1.5rem;
  display: grid;
  gap: 0.4rem;
}

.pf-section__kicker {
  margin: 0;
  font-family: var(--pf-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pf-signal);
}

.pf-section__title {
  margin: 0;
  font-family: var(--pf-display);
  font-size: clamp(1.6rem, 3.4vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.pf-section__desc {
  margin: 0;
  max-width: 40rem;
  color: var(--pf-mute);
  font-size: 0.98rem;
  line-height: 1.5;
}

.pf-mosaic {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
}

.page-projects .project-card {
  grid-column: span 4;
  background: var(--pf-panel);
  border: 1px solid var(--pf-line);
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transform: translateY(0);
  transition:
    transform 0.35s var(--pf-ease),
    border-color 0.35s,
    box-shadow 0.35s;
  animation: pf-card-in 0.7s var(--pf-ease) both;
}

.page-projects .project-card:nth-child(1) {
  grid-column: span 8;
  grid-row: span 2;
}

.page-projects .project-card:nth-child(2),
.page-projects .project-card:nth-child(3) {
  grid-column: span 4;
}

.page-projects .project-card:nth-child(n+4) {
  grid-column: span 4;
}

.page-projects .project-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--project-primary, var(--pf-signal)) 70%, white 0%);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.page-projects .project-card-image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0a0a0c;
}

.page-projects .project-card:nth-child(1) .project-card-image {
  aspect-ratio: 16 / 11;
  min-height: 280px;
}

.page-projects .project-card-image img,
.page-projects .project-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--pf-ease), opacity 0.25s ease;
}

.page-projects .project-card:hover .project-card-image img,
.page-projects .project-card:hover .project-card-img {
  transform: scale(1.06);
}

.page-projects .project-card-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.page-projects .project-card.has-hover-video.is-video-playing .project-card-video {
  opacity: 1;
}

.page-projects .project-card.has-hover-video.is-video-playing .project-card-img {
  opacity: 0;
}

.page-projects .project-card-overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1rem 1.1rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 0.75rem;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.78) 90%);
}

.page-projects .project-category,
.page-projects .project-category-badge {
  background: var(--project-primary, var(--pf-signal));
  color: #0a0a0a;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-projects .project-year,
.page-projects .project-year-badge {
  font-family: var(--pf-mono);
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.75);
}

.page-projects .project-card-content {
  padding: 1.2rem 1.25rem 1.35rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.55rem;
}

.page-projects .project-card-title {
  margin: 0;
  font-family: var(--pf-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--pf-text);
  line-height: 1.25;
}

.page-projects .project-card:nth-child(1) .project-card-title {
  font-size: clamp(1.35rem, 2.4vw, 1.8rem);
}

.page-projects .project-card-desc {
  margin: 0;
  color: var(--pf-mute);
  font-size: 0.9rem;
  line-height: 1.55;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-projects .project-card:nth-child(1) .project-card-desc {
  -webkit-line-clamp: 4;
  font-size: 0.95rem;
}

.page-projects .project-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.15rem 0 0.35rem;
}

.page-projects .project-tech-tags .tech-tag {
  border: 1px solid var(--pf-line);
  background: rgba(255, 255, 255, 0.03);
  color: rgba(242, 242, 244, 0.82);
  border-radius: 999px;
  padding: 0.22rem 0.55rem;
  font-size: 0.68rem;
  font-weight: 600;
}

.page-projects .project-cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--project-primary, var(--pf-signal));
}

.page-projects .project-cta i {
  transition: transform 0.25s var(--pf-ease);
}

.page-projects .project-card:hover .project-cta i {
  transform: translateX(4px);
}

/* Empty / CTA */
.pf-empty {
  max-width: 1180px;
  margin: 0 auto;
  padding: 3rem 0;
  text-align: center;
  color: var(--pf-mute);
  display: none;
}

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

.pf-cta {
  padding: clamp(3rem, 8vh, 5.5rem) clamp(1.25rem, 4vw, 3rem) clamp(4rem, 10vh, 6.5rem);
}

.pf-cta__panel {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(1.75rem, 4vw, 2.75rem);
  border-radius: 24px;
  border: 1px solid rgba(201, 255, 0, 0.22);
  background:
    radial-gradient(ellipse 60% 80% at 0% 50%, rgba(201, 255, 0, 0.12), transparent 55%),
    linear-gradient(135deg, #121216 0%, #0c0c10 100%);
  display: grid;
  gap: 1.25rem;
  align-items: center;
}

@media (min-width: 800px) {
  .pf-cta__panel {
    grid-template-columns: 1.4fr auto;
  }
}

.pf-cta__panel h2 {
  margin: 0 0 0.45rem;
  font-family: var(--pf-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  letter-spacing: -0.02em;
}

.pf-cta__panel p {
  margin: 0;
  color: var(--pf-mute);
  max-width: 36rem;
  line-height: 1.55;
}

.pf-cta__panel p a {
  color: var(--pf-signal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.pf-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

@keyframes pf-grid-drift {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-36px, -36px, 0); }
}

@keyframes pf-orbit {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.45; }
  50% { transform: scale(1.04) rotate(8deg); opacity: 0.7; }
}

@keyframes pf-card-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .pf-hero__grid,
  .pf-hero__orbit,
  .page-projects .project-card {
    animation: none !important;
  }

  .page-projects .project-card,
  .page-projects .project-card-image img,
  .pf-btn,
  .pf-chip {
    transition: none !important;
  }
}

@media (max-width: 980px) {
  .page-projects .project-card,
  .page-projects .project-card:nth-child(1),
  .page-projects .project-card:nth-child(2),
  .page-projects .project-card:nth-child(3),
  .page-projects .project-card:nth-child(n+4) {
    grid-column: span 6;
    grid-row: auto;
  }

  .page-projects .project-card:nth-child(1) .project-card-image {
    min-height: 0;
  }
}

@media (max-width: 640px) {
  .pf-filters {
    top: 60px;
  }

  .pf-filters__inner {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .pf-filters__inner::-webkit-scrollbar {
    display: none;
  }

  .page-projects .project-card,
  .page-projects .project-card:nth-child(1),
  .page-projects .project-card:nth-child(2),
  .page-projects .project-card:nth-child(3),
  .page-projects .project-card:nth-child(n+4) {
    grid-column: span 12;
  }

  .pf-hero__title {
    max-width: none;
  }
}