:root {
  --brand: #5BB8D4;
  --brand-dark: #3A9CBD;
  --brand-light: #EBF7FB;
}

html { scroll-behavior: smooth; }

*:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

/* ── Buttons ── */
.btn-primary {
  background-color: var(--brand);
  color: #fff;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  transition: background-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover {
  background-color: var(--brand-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(91,184,212,0.35);
}

.btn-outline {
  border: 2px solid var(--brand);
  color: var(--brand);
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  transition: background-color 0.2s, color 0.2s, transform 0.2s;
}
.btn-outline:hover {
  background-color: var(--brand);
  color: #fff;
  transform: translateY(-1px);
}

/* ── Hero ── */
.hero-bg {
  background:
    radial-gradient(ellipse at 15% 75%, rgba(91,184,212,0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 20%, rgba(91,184,212,0.12) 0%, transparent 55%),
    linear-gradient(145deg, #0c1a2e 0%, #142d4c 60%, #0c1a2e 100%);
}

/* ── Product cards ── */
.product-card {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.product-card:hover {
  transform: translateY(-5px);
}

/* ── Cart sidebar ── */
#cart-sidebar {
  transform: translateX(100%);
  transition: transform 0.3s ease;
}
#cart-sidebar.open {
  transform: translateX(0);
}

/* ── Toast ── */
#toast {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
#toast.show { opacity: 1; }

/* ── Filter pills ── */
.filter-pill {
  cursor: pointer;
  border-radius: 9999px;
  padding: 6px 20px;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1.5px solid #e5e7eb;
  color: #6b7280;
  transition: all 0.15s;
  background: #fff;
}
.filter-pill:hover,
.filter-pill.active {
  border-color: var(--brand);
  color: var(--brand);
  background: var(--brand-light);
}