/* ============================================
   GRUPO VALSER — Components v2
   Reusable UI primitives — rounded & friendly
   ============================================ */

/* ── Screen Reader Only ── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ── Scroll-to-Top Button ── */
.scroll-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-full);
  background: var(--gold);
  color: var(--navy);
  border: none;
  box-shadow: 0 6px 24px rgba(255,180,0,.3);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px) scale(.9);
  transition: all var(--transition-base);
  z-index: 900;
}
.scroll-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}
.scroll-top:hover {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 10px 32px rgba(255,180,0,.45);
}
.scroll-top .ti { font-size: var(--icon-md); }

/* ── Toast Notification ── */
.toast {
  position: fixed;
  bottom: var(--space-xl); left: 50%;
  transform: translateX(-50%) translateY(120%);
  padding: .9rem 1.6rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--white);
  background: var(--navy);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  opacity: 0;
  transition: all .4s var(--ease-spring);
  white-space: nowrap;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}
.toast--success { background: var(--green); color: var(--white); }
.toast--error   { background: #ef4444; color: var(--white); }

/* ── Chip / Tag ── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: .35rem 1rem;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-full);
  background: rgba(255,180,0,.08);
  color: var(--gold);
  border: 1px solid rgba(255,180,0,.15);
  transition: all var(--transition-fast);
}
.chip:hover { background: rgba(255,180,0,.15); }
.chip .ti { font-size: 14px; }

.chip--blue   { background: rgba(45,156,219,.08); color: var(--blue); border-color: rgba(45,156,219,.15); }
.chip--orange { background: rgba(242,153,74,.08); color: var(--orange); border-color: rgba(242,153,74,.15); }
.chip--green  { background: rgba(39,174,96,.08); color: var(--green); border-color: rgba(39,174,96,.15); }
.chip--purple { background: rgba(124,58,237,.08); color: var(--purple); border-color: rgba(124,58,237,.15); }

/* ── Skeleton loader ── */
.skeleton {
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-card) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

/* ── Divider ── */
.divider {
  width: 60px;
  height: 4px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--gold), var(--orange));
  margin-inline: auto;
}

/* ── Icon container (utility for any centered big icon) ── */
.icon-box {
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-lg);
  background: rgba(255,180,0,.08);
  color: var(--gold);
  transition: all var(--transition-base);
}
.icon-box--sm { width: 48px; height: 48px; }
.icon-box--md { width: 64px; height: 64px; }
.icon-box--lg { width: 80px; height: 80px; }
.icon-box--xl { width: 96px; height: 96px; }
.icon-box--sm .ti { font-size: var(--icon-sm); }
.icon-box--md .ti { font-size: var(--icon-md); }
.icon-box--lg .ti { font-size: var(--icon-lg); }
.icon-box--xl .ti { font-size: var(--icon-xl); }

/* ── Glass Card ── */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
}
.glass-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: rgba(255,180,0,.2);
}

/* ── Gradient text ── */
.gradient-text {
  background: linear-gradient(135deg, var(--gold) 0%, var(--orange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Loading spinner ── */
.spinner {
  width: 28px; height: 28px;
  border: 3px solid var(--border-color);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin-slow .8s linear infinite;
}

/* ── Page header (subpages) ── */
.page-header {
  padding: calc(var(--navbar-height) + var(--space-4xl)) 0 var(--space-4xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  top: 0; right: -10%;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: var(--gold);
  filter: blur(180px);
  opacity: .04;
  pointer-events: none;
}
.page-header__badge {
  display: inline-flex; align-items: center; gap: var(--space-sm);
  padding: .45rem 1rem;
  font-size: var(--fs-sm); font-weight: var(--fw-semibold);
  color: var(--gold);
  background: rgba(255,180,0,.07);
  border: 1px solid rgba(255,180,0,.15);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-lg);
}
.page-header__badge .ti { font-size: var(--icon-sm); }
.page-header__title { font-size: var(--fs-4xl); margin-bottom: var(--space-md); }
.page-header__subtitle { font-size: var(--fs-md); color: var(--text-secondary); max-width: 600px; margin-inline: auto; }

/* ── Feature Grid (subpages) ── */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-xl); }

.feature-card {
  padding: var(--space-2xl);
  background: var(--bg-glass);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  text-align: center;
  transition: all var(--transition-base);
}
.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(255,180,0,.2);
}
.feature-card__icon {
  display: flex; align-items: center; justify-content: center;
  width: 56px; height: 56px;
  margin-inline: auto; margin-bottom: var(--space-lg);
  border-radius: var(--radius-md);
  background: rgba(255,180,0,.08);
  color: var(--gold);
  transition: all var(--transition-base);
}
.feature-card:hover .feature-card__icon { transform: scale(1.08) rotate(-3deg); background: rgba(255,180,0,.16); }
.feature-card__icon .ti { font-size: var(--icon-lg); }
.feature-card h3 { font-size: var(--fs-lg); margin-bottom: var(--space-sm); }
.feature-card p { font-size: var(--fs-sm); color: var(--text-secondary); }

@media (max-width: 768px) {
  .feature-grid { grid-template-columns: 1fr; }
  .page-header__title { font-size: var(--fs-3xl); }
}
@media (max-width: 480px) {
  .scroll-top { bottom: var(--space-lg); right: var(--space-lg); width: 46px; height: 46px; }
}