/* ================================================================
   PORTAFOLIO — Slider de proyectos
   ================================================================ */

.portfolio {
  background: var(--paper);
}

/* ── Slider ─────────────────────────────────────────────────── */
.portfolio-slider-wrap {
  position: relative;
  overflow: hidden;
  margin: 0 -28px;
  padding: 0 28px;
}

.portfolio-slider {
  display: flex;
  gap: 24px;
  transition: transform 0.7s cubic-bezier(0.65, 0, 0.35, 1);
}

/* ── Card ───────────────────────────────────────────────────── */
.portfolio-card {
  flex: 0 0 calc((100% - 48px) / 3);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--cream);
  position: relative;
  transition: transform 0.5s ease;
  text-decoration: none;
  color: inherit;
  display: block;
}

.portfolio-card:hover {
  transform: translateY(-6px);
}

.portfolio-img {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  position: relative;
}

.portfolio-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.portfolio-card:hover .portfolio-img img {
  transform: scale(1.06);
}

.portfolio-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10, 10, 10, 0.7) 100%);
}

/* ── Overlay ────────────────────────────────────────────────── */
.portfolio-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 28px;
  z-index: 2;
  color: var(--cream);
}

.portfolio-tag {
  display: inline-block;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.portfolio-card h3 {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 8px;
}

.portfolio-card p {
  font-size: 13px;
  opacity: 0.8;
  line-height: 1.5;
  max-width: 90%;
}

/* ── Badge "En progreso" ────────────────────────────────────── */
.portfolio-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 5;
  background: var(--pink);
  color: var(--black);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
}

/* ── Visit link ─────────────────────────────────────────────── */
.portfolio-card .visit {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--pink);
  color: var(--black);
  display: grid;
  place-items: center;
  z-index: 3;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.portfolio-card:hover .visit {
  opacity: 1;
  transform: scale(1);
}

/* ── Controles ──────────────────────────────────────────────── */
.slider-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 50px;
}

.slider-progress {
  flex: 1;
  max-width: 300px;
  height: 2px;
  background: var(--line);
  position: relative;
}

.slider-progress-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: var(--black);
  transition: width 0.5s ease;
}

.slider-buttons {
  display: flex;
  gap: 12px;
}

.slider-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--black);
  display: grid;
  place-items: center;
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.slider-btn:hover:not(:disabled) {
  background: var(--black);
  color: var(--pink);
  transform: scale(1.05);
}

.slider-btn:disabled { opacity: 0.3; }

.slider-btn svg { width: 18px; height: 18px; }

/* ── Footer text ────────────────────────────────────────────── */
.portfolio-foot {
  margin-top: 60px;
  text-align: center;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  letter-spacing: -0.01em;
}

.portfolio-foot a {
  color: var(--pink-deep);
  border-bottom: 2px solid var(--pink);
  padding-bottom: 2px;
  transition: opacity 0.3s ease;
}

.portfolio-foot a:hover { opacity: 0.7; }