/* Cyprus Oxygen Systems — Fresh Air / Nature Green (light-first)
   Palette: emerald #059669 / #10B981, mist backgrounds #F6FDF9..#ECFDF5,
   deep pine text #064E3B. Fonts: Rubik (headings) + Nunito Sans (body). */

:root {
  --accent-primary: #059669;
  --accent-primary-rgb: 5, 150, 105;
  --accent-primary-glow: rgba(5, 150, 105, 0.14);
  --accent-secondary: #10B981;

  /* Soft tints used across sections and badges — kept close to white,
     the saturated mint variants read too loud on large surfaces */
  --green-soft: #F2F8F4;
  --green-mist: #FAFCFB;
  --green-line: #CDE7DA;
  --pine: #064E3B;
  --sun-soft: #FEFCE8;
}

[data-theme="light"] {
  --accent-primary: #059669;
  --accent-primary-rgb: 5, 150, 105;
  --accent-primary-glow: rgba(5, 150, 105, 0.12);
  --accent-secondary: #047857;

  --bg-0: #FFFFFF;
  --bg-1: #FAFCFB;
  --bg-2: #FFFFFF;
  --bg-3: #F2F8F4;
  --bg-4: #E2F0E8;

  --text-primary: #1F2937;
  --text-secondary: #3F5249;
  --text-muted: #5F7268;
  --text-accent: #064E3B;

  --border-subtle: #E4EEE8;
  --border-default: #D2E3D9;
  --border-strong: #B7D6C5;
  --border-hover: #6EE7B7;
}

/* ── Typography ───────────────────────────────────────────── */
body {
  font-family: "Nunito Sans", system-ui, -apple-system, sans-serif;
  background: var(--bg-1);
  color: var(--text-primary);
}

h1, h2, h3, h4, h5, h6,
.display-section, .nd-btn {
  font-family: "Rubik", system-ui, -apple-system, sans-serif;
}

/* ── Section helpers (shared with booking templates) ──────── */
.surface-light { background: var(--bg-1); }
.surface-tint { background: var(--green-soft); }

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-primary);
}

.display-section {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--text-accent);
}

/* Booking templates (shared with water-systems) reference these — map to green theme */
:root, [data-theme="light"] {
  --yellow-soft: var(--sun-soft);
  --navy: var(--pine);
  --state-out: #DC2626;
}

.input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border-radius: 0.625rem;
  border: 1px solid var(--border-default);
  background: var(--bg-0);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-glow);
}

/* ── Buttons (NovaDark ships no .nd-btn-- modifier styles) ── */
.nd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 1px solid transparent;
  border-radius: 0.625rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.nd-btn--sm { padding: 0.375rem 0.875rem; font-size: 0.8125rem; min-height: 34px; }
.nd-btn--md { padding: 0.5rem 1.25rem; font-size: 0.875rem; }
.nd-btn--lg { padding: 0.75rem 1.75rem; font-size: 1rem; }
.nd-btn--pill { border-radius: 999px; }

.nd-btn--primary {
  background: var(--accent-primary);
  color: #FFFFFF;
}

.nd-btn--primary:hover {
  background: var(--accent-secondary);
  box-shadow: 0 8px 20px -8px rgba(var(--accent-primary-rgb), 0.5);
}

.nd-btn--ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-accent);
}

.nd-btn--ghost:hover {
  border-color: var(--accent-primary);
  background: var(--green-soft);
}

/* Booking templates (shared with water-systems) use these button names */
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border: none;
  border-radius: 999px;
  background: var(--accent-primary);
  color: #FFFFFF;
  font-family: "Rubik", system-ui, sans-serif;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.btn-cta:hover {
  background: var(--accent-secondary);
  box-shadow: 0 8px 20px -8px rgba(var(--accent-primary-rgb), 0.5);
}

.btn-secondary-on-light {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--text-accent);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.btn-secondary-on-light:hover {
  border-color: var(--accent-primary);
  background: var(--green-soft);
}

/* ── Product cards ────────────────────────────────────────── */
.product-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-2);
  border: 1px solid var(--border-subtle);
  border-radius: 1rem;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.product-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 12px 32px -16px rgba(6, 78, 59, 0.25);
  transform: translateY(-2px);
}

.product-card__image {
  position: relative;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--green-mist) 0%, var(--green-soft) 60%, var(--bg-4) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-card__image img {
  transform: scale(1.04);
}

.product-card__placeholder {
  color: var(--accent-primary);
  opacity: 0.55;
}

.product-card__badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--pine);
  border: 1px solid var(--green-line);
}

/* ── Category chips ───────────────────────────────────────── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border-default);
  background: var(--bg-2);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  text-decoration: none;
}

.chip:hover {
  border-color: var(--accent-primary);
  color: var(--text-accent);
  background: var(--green-soft);
}

.chip--active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #FFFFFF;
}

.chip--active:hover {
  background: var(--accent-secondary);
  color: #FFFFFF;
}

/* ── Forms ────────────────────────────────────────────────── */
.field-input,
input[type="text"], input[type="email"], input[type="tel"],
input[type="date"], input[type="number"], input[type="password"],
select, textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border-radius: 0.625rem;
  border: 1px solid var(--border-default);
  background: var(--bg-0);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field-input:focus,
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-glow);
}

/* ── Quantity stepper / cart ──────────────────────────────── */
.qty-input { max-width: 5rem; text-align: center; }

/* ── Trust badges row ─────────────────────────────────────── */
.trust-item {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
}

.trust-item__icon {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.75rem;
  background: var(--green-soft);
  border: 1px solid var(--green-line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
}

/* ── Catalog layout: filter panel left, top on mobile ─────── */
.catalog-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .catalog-layout {
    grid-template-columns: 16rem 1fr;
    gap: 2.5rem;
  }
  .catalog-filters {
    position: sticky;
    top: 5rem;
  }
  /* Desktop: panel always open, summary is a plain heading */
  .filters-summary {
    pointer-events: none;
  }
  .filters-summary::after {
    display: none;
  }
}

.filters-panel {
  background: var(--bg-2);
  border: 1px solid var(--border-subtle);
  border-radius: 1rem;
  overflow: hidden;
}

.filters-summary {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 1rem 1.25rem;
  font-family: "Rubik", system-ui, sans-serif;
  font-weight: 600;
  color: var(--text-accent);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.filters-summary::-webkit-details-marker { display: none; }

.filters-summary::after {
  content: "";
  margin-left: auto;
  width: 0.5rem;
  height: 0.5rem;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

details[open] > .filters-summary::after {
  transform: rotate(-135deg);
}

.filters-body {
  padding: 0 1.25rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.filters-group {
  border: none;
  padding: 0;
  margin: 0;
}

.filters-legend {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.625rem;
}

.filters-option {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.3125rem 0;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.filters-option input[type="radio"] {
  width: 1rem;
  height: 1rem;
  min-height: 0;
  accent-color: var(--accent-primary);
  cursor: pointer;
}

.filters-option:hover span { color: var(--text-accent); }

.filters-body input[type="number"] {
  min-height: 38px;
  padding: 0.375rem 0.625rem;
  font-size: 0.9375rem;
}

/* ── Reduced motion ───────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .product-card, .product-card__image img, .chip {
    transition: none;
  }
  .product-card:hover { transform: none; }
  .product-card:hover .product-card__image img { transform: none; }
}