/* ====================================================================
   AITA AGENCY · PORTFOLIO — Estilos compartidos
   Respeta el sistema visual del index.html (variables --ink, --blue, etc.)
==================================================================== */

.projects-hero {
  padding: 140px 0 60px;
  background: var(--bg);
  position: relative;
}
.projects-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 0%, rgba(37,99,235,.06), transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(6,182,212,.05), transparent 50%);
  pointer-events: none;
}
.projects-hero .container { position: relative; z-index: 1; }
.projects-hero h1 {
  max-width: 820px;
  margin: 20px 0 18px;
}
.projects-hero .lead {
  max-width: 640px;
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--text-mute);
  line-height: 1.55;
}

/* ============ GRID DE PROYECTOS ============ */
.projects-grid-section { padding: 40px 0 120px; background: var(--bg); }
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.project-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .35s var(--ease);
  opacity: 0;
  transform: translateY(24px);
  will-change: transform, opacity;
}
.project-card.in-view {
  opacity: 1;
  transform: translateY(0);
}
.project-card:not(.coming-soon):hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(37,99,235,.2);
}
.project-card a {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
}

.project-card-media {
  aspect-ratio: 3/2;
  overflow: hidden;
  background: linear-gradient(135deg, #EEF2F7 0%, #E2E8F0 100%);
  position: relative;
}
.project-card-media img,
.project-card-media svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.project-card:not(.coming-soon):hover .project-card-media img,
.project-card:not(.coming-soon):hover .project-card-media svg {
  transform: scale(1.04);
}

.project-card-body {
  padding: 24px 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}
.project-card-type {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
}
.project-card h3 {
  font-size: 1.4rem;
  letter-spacing: -0.02em;
}
.project-card-resumen {
  font-size: 15px;
  color: var(--text-mute);
  line-height: 1.55;
}
.project-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 12px;
}
.project-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-mute);
  background: var(--line-soft);
  border-radius: 99px;
  border: 1px solid var(--line);
}

/* "Próximamente" ------------------------------------------------- */
.project-card.coming-soon { cursor: not-allowed; }
.project-card.coming-soon .project-card-media::after {
  content: 'Próximamente';
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--white);
  background: rgba(15,23,42,.85);
  backdrop-filter: blur(8px);
  border-radius: 99px;
}
.project-card.coming-soon::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(248,250,252,.35);
  z-index: 2;
  pointer-events: none;
  border-radius: var(--radius-lg);
}
.project-card.coming-soon a { pointer-events: none; }

/* ============ CASE STUDY (detalle) ============ */
.case-hero {
  padding: 140px 0 40px;
  background: var(--bg);
  position: relative;
}
.case-hero-inner {
  display: grid;
  gap: 40px;
  align-items: start;
}
@media (min-width: 900px) {
  .case-hero-inner {
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    align-items: center;
  }
}

.case-hero-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px 8px 12px;
  font-size: 13px;
  color: var(--text-mute);
  background: rgba(15,23,42,.04);
  border-radius: 99px;
  border: 1px solid var(--line);
  transition: all .25s var(--ease);
  margin-bottom: 22px;
}
.case-hero-back:hover {
  color: var(--ink);
  background: var(--white);
  border-color: var(--ink);
  transform: translateX(-2px);
}
.case-hero-type {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}
.case-hero h1 { margin-bottom: 20px; }
.case-hero-resumen {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--text-mute);
  line-height: 1.6;
  max-width: 560px;
}
.case-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.case-hero-media {
  aspect-ratio: 16/10;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, #EEF2F7 0%, #E2E8F0 100%);
  box-shadow: var(--shadow-lg);
}
.case-hero-media img,
.case-hero-media svg { width: 100%; height: 100%; object-fit: cover; }

.case-section { padding: 80px 0; }
.case-section:nth-of-type(even) { background: var(--bg-warm); }

.case-section-inner { max-width: 900px; margin: 0 auto; }
.case-section h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin-bottom: 24px;
}
.case-section p {
  font-size: 17px;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 18px;
}

/* Features */
.case-features {
  display: grid;
  gap: 32px;
  margin-top: 40px;
}
.case-feature {
  display: grid;
  gap: 24px;
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.case-feature.in-view {
  opacity: 1;
  transform: translateY(0);
}
@media (min-width: 780px) {
  .case-feature { grid-template-columns: 1fr 1.2fr; align-items: center; gap: 40px; }
  .case-feature:nth-child(even) .case-feature-media { order: -1; }
}
.case-feature-content h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.case-feature-content p {
  color: var(--text-mute);
  font-size: 15.5px;
  line-height: 1.65;
  margin: 0;
}
.case-feature-media {
  aspect-ratio: 16/10;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, #F1F5F9 0%, #E2E8F0 100%);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
}
.case-feature-media img,
.case-feature-media svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}
/* Cuando el proyecto usa capturas de una app oscura, el fondo del media
   se pone oscuro para que las bandas letterbox armonicen (evita halo blanco) */
.case-feature-media.dark-frame {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  border-color: #1E293B;
}

/* Stack */
.case-stack-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 20px;
}
.case-stack-item {
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
}
.case-arquitectura {
  padding: 24px 28px;
  background: var(--white);
  border-left: 3px solid var(--blue);
  border-radius: 12px;
  font-size: 15.5px;
  color: var(--text);
  line-height: 1.7;
  margin-top: 8px;
}

/* Resultados */
.case-results {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}
@media (min-width: 700px) {
  .case-results { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
}
.case-result {
  padding: 28px 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: left;
}
.case-result-metrica {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 10px;
}
.case-result-valor {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 8px;
}
.case-result-detalle {
  font-size: 14px;
  color: var(--text-mute);
  line-height: 1.55;
}

/* CTA */
.case-cta {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-soft) 100%);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.case-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(37,99,235,.25), transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(6,182,212,.15), transparent 50%);
}
.case-cta-inner { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; padding: 0 20px; }
.case-cta h2 {
  color: var(--white);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 16px;
}
.case-cta p {
  font-size: 1.05rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 32px;
}
.btn-cta-wa {
  background: #25D366;
  color: var(--white);
  padding: 18px 32px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 99px;
  box-shadow: 0 8px 24px -8px rgba(37,211,102,.5);
  transition: all .25s var(--ease);
}
.btn-cta-wa:hover { transform: translateY(-2px); box-shadow: 0 12px 32px -8px rgba(37,211,102,.7); }

/* Loading state */
.projects-loading {
  padding: 80px 20px;
  text-align: center;
  color: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 13px;
}

/* Mobile */
@media (max-width: 680px) {
  .projects-hero { padding: 110px 0 40px; }
  .case-hero { padding: 110px 0 20px; }
  .case-section { padding: 60px 0; }
  .case-cta { padding: 70px 0; }
  .case-feature { padding: 24px; }
  .case-arquitectura { padding: 20px 22px; font-size: 14.5px; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  .project-card,
  .case-feature {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}