/* ==========================================================
   tecnoan.com.ar/portfolios — Estilos del portafolio
   Extiende css/tecnoan.css
   ========================================================== */

.pf-crumb {
  max-width: 1200px; margin: 0 auto;
  padding: 84px 1.5rem 0; font-size: .82rem; color: var(--text-muted);
}
.pf-crumb a { color: var(--text-muted); }
.pf-crumb a:hover { color: var(--accent-blue); }
.pf-crumb span { color: var(--accent-blue); }

/* ── Encabezado ── */
.pf-head {
  background: var(--gradient-hero);
  padding: 2rem 1.5rem 3.5rem; position: relative; overflow: hidden;
}
.pf-head::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 50% 45% at 80% 30%, rgba(0,212,255,.07) 0%, transparent 70%);
}
.pf-head .container { position: relative; z-index: 1; }
.pf-head h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; margin: 1rem 0 1rem; }
.pf-head h1 em { font-style: normal; color: var(--accent-blue); }
.pf-head p { color: var(--text-muted); max-width: 560px; font-size: 1.03rem; }

/* ── Filtros ── */
.pf-filters {
  display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.75rem;
}
.pf-filter {
  background: var(--dark-card); border: 1px solid var(--dark-border);
  color: var(--text-muted); border-radius: 50px;
  padding: .4rem 1rem; font-size: .82rem; font-weight: 600; cursor: pointer;
  transition: border-color .2s, color .2s, background .2s;
}
.pf-filter:hover { border-color: var(--accent-blue); color: var(--accent-blue); }
.pf-filter.active { background: var(--accent-blue); color: var(--dark-bg); border-color: var(--accent-blue); }

/* ── Grilla de proyectos ── */
.pf-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
}
.pf-card {
  display: flex; flex-direction: column;
  background: var(--dark-card); border: 1px solid var(--dark-border);
  border-radius: 16px; overflow: hidden;
  transition: border-color .3s, transform .3s, box-shadow .3s;
  text-decoration: none; color: inherit;
}
.pf-card:hover {
  border-color: var(--accent-blue); transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,.1);
}
.pf-card .pf-cover {
  aspect-ratio: 16 / 9; width: 100%; object-fit: cover;
  border-bottom: 1px solid var(--dark-border); background: var(--dark-bg);
}
.pf-card .pf-body { padding: 1.5rem; display: flex; flex-direction: column; flex: 1; }
.pf-tag {
  align-self: flex-start;
  font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  color: var(--accent-blue); background: rgba(0,212,255,.1);
  border: 1px solid rgba(0,212,255,.25); border-radius: 50px;
  padding: .2rem .7rem; margin-bottom: .8rem;
}
.pf-tag.o { color: var(--accent-orange); background: rgba(255,107,53,.1); border-color: rgba(255,107,53,.25); }
.pf-tag.g { color: var(--accent-green); background: rgba(0,230,118,.1); border-color: rgba(0,230,118,.25); }
.pf-tag.p { color: #6d3bd4; background: rgba(109,59,212,.1); border-color: rgba(109,59,212,.25); }
.pf-card h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: .5rem; }
.pf-card p  { color: var(--text-muted); font-size: .88rem; flex: 1; }
.pf-meta {
  display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1rem;
}
.pf-meta span {
  font-size: .72rem; color: var(--text-muted);
  border: 1px solid var(--dark-border); border-radius: 6px; padding: .2rem .5rem;
}
.pf-more {
  margin-top: 1rem; font-size: .82rem; font-weight: 700; color: var(--accent-blue);
}

/* ══════════════════════════════════════
   DETALLE DE PROYECTO (portfolios/iot)
══════════════════════════════════════ */
.case-hero {
  background: var(--gradient-hero); padding: 2rem 1.5rem 3rem;
  position: relative; overflow: hidden;
}
.case-hero .container { position: relative; z-index: 1; }
.case-hero .pf-tag { margin-bottom: 1rem; }
.case-hero h1 { font-size: clamp(1.8rem, 3.6vw, 2.8rem); font-weight: 800; margin-bottom: 1rem; max-width: 780px; }
.case-hero .sub { color: var(--text-muted); font-size: 1.05rem; max-width: 620px; }

.case-figure {
  background: var(--dark-bg); border: 1px solid var(--dark-border);
  border-radius: 16px; padding: 1.5rem; overflow-x: auto; margin: 2.5rem 0;
}
.case-figure img { display: block; width: 100%; min-width: 560px; border-radius: 8px; }
.case-figure figcaption { margin-top: .9rem; font-size: .8rem; color: var(--text-muted); text-align: center; }

.case-facts {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px,1fr));
  gap: 1rem; margin: 2rem 0;
}
.case-fact {
  background: var(--dark-card); border: 1px solid var(--dark-border);
  border-radius: 12px; padding: 1.2rem;
}
.case-fact b { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .07em; color: var(--text-muted); margin-bottom: .35rem; }
.case-fact span { font-size: .95rem; font-weight: 600; color: var(--text-light); }

.case-body { display: grid; grid-template-columns: 1fr; gap: 2.5rem; max-width: 820px; }
.case-body h2 { font-size: 1.3rem; margin-bottom: .8rem; }
.case-body h2 span { color: var(--accent-blue); font-weight: 800; margin-right: .5rem; }
.case-body p { color: var(--text-muted); font-size: .95rem; margin-bottom: .8rem; }
.case-body ul { color: var(--text-muted); font-size: .92rem; padding-left: 1.3rem; }
.case-body ul li { margin-bottom: .45rem; }

.case-result {
  background: rgba(0,230,118,.06); border: 1px solid rgba(0,230,118,.25);
  border-radius: 14px; padding: 1.5rem;
}
.case-result h3 { font-size: 1rem; color: var(--accent-green); margin-bottom: .6rem; }
.case-result ul { list-style: none; padding: 0; }
.case-result ul li { display: flex; gap: .6rem; padding: .35rem 0; color: var(--text-light); font-size: .92rem; }
.case-result ul li::before { content: '▲'; color: var(--accent-green); font-size: .7rem; margin-top: .35rem; }

.case-note {
  font-size: .78rem; color: var(--text-muted); font-style: italic;
  border-left: 2px solid var(--dark-border); padding-left: 1rem; margin-top: 1rem;
}

.case-nav {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--dark-border);
}

@media (max-width: 480px) {
  .pf-grid { grid-template-columns: 1fr; }
}