/* ==========================================================================
   Rubadub in Bytchyns Tub — shared design system
   Palette: aqua/teal + white, with rubber-duck yellow as a trim/accent.
   No build step, no external fonts — system font stacks only so the site
   has zero external network dependencies.
   ========================================================================== */

:root {
  --teal-deep: #0b6e77;
  --teal: #12a5b0;
  --teal-mid: #3fc1cb;
  --aqua: #8fe3e8;
  --aqua-pale: #e6fbfc;
  --aqua-pale-2: #d8f4f6;
  --yellow-pale: #fff6de;
  --duck-yellow: #ffc93c;
  --duck-yellow-dark: #f2a900;
  --white: #ffffff;
  --ink: #0f3a3e;
  --gray: #5a7679;
  --gray-light: #b9d3d5;
  --danger: #c0392b;
  --success: #1e8a4c;

  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-heading: "Century Gothic", "Trebuchet MS", "Segoe UI", Verdana, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(11, 110, 119, 0.1);
  --shadow-md: 0 8px 24px rgba(11, 110, 119, 0.16);
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  max-width: 100%;
  display: block;
}

a {
  color: var(--teal-deep);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--teal-deep);
  line-height: 1.2;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(1.9rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }

p { margin: 0 0 1em; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--teal-deep);
  color: var(--white);
  padding: 10px 16px;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}

.skip-link:focus {
  left: 0;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 0.9rem;
  padding: 12px 22px;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
  text-decoration: none;
}

.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  background: var(--teal-deep);
  color: var(--white);
}
.btn-primary:hover { background: var(--teal); box-shadow: var(--shadow-sm); }

.btn-accent {
  background: var(--duck-yellow);
  color: var(--ink);
}
.btn-accent:hover { background: var(--duck-yellow-dark); box-shadow: var(--shadow-sm); }

.btn-outline {
  background: transparent;
  border-color: var(--teal-deep);
  color: var(--teal-deep);
}
.btn-outline:hover { background: var(--aqua-pale); }

.btn-ghost {
  background: transparent;
  color: var(--teal-deep);
  border-color: transparent;
  padding: 8px 12px;
}

.btn-block { width: 100%; }
.btn-sm { padding: 8px 14px; font-size: 0.78rem; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ---------- header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--white);
  border-bottom: 3px solid var(--aqua);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--teal-deep);
}
.brand:hover { text-decoration: none; }

.brand img { width: 40px; height: 40px; }

.brand-text {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-size: 1rem;
  line-height: 1.1;
}
.brand-text span {
  display: block;
  font-size: 0.65rem;
  color: var(--gray);
  letter-spacing: 0.12em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 6px 2px;
  border-bottom: 3px solid transparent;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--teal-deep);
  border-bottom-color: var(--duck-yellow);
  text-decoration: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.cart-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border-radius: 999px;
  background: var(--aqua-pale);
  color: var(--teal-deep);
  font-weight: 700;
}
.cart-link:hover { background: var(--aqua-pale-2); text-decoration: none; }

.cart-count {
  background: var(--duck-yellow);
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 800;
  min-width: 20px;
  height: 20px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 2px solid var(--teal-deep);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--teal-deep);
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 20px 16px;
    border-bottom: 3px solid var(--aqua);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 10px 0; }
}

/* ---------- hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--aqua-pale) 0%, var(--white) 100%);
  padding: 56px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-grid .hero-art { order: -1; }
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--teal-deep);
  background: var(--yellow-pale);
  border: 1px solid var(--duck-yellow);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.hero .lede {
  font-size: 1.1rem;
  color: var(--gray);
  max-width: 46ch;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 24px;
}

/* ---------- sections / cards ---------- */
.section {
  padding: 56px 0;
}

.section-alt {
  background: var(--aqua-pale);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 36px;
}

.section-head .lede {
  color: var(--gray);
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--white);
  border: 1px solid var(--aqua-pale-2);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}

.value-card {
  text-align: center;
  padding: 28px 20px;
}
.value-card img { margin: 0 auto 16px; width: 64px; height: 64px; }

/* ---------- product cards ---------- */
.product-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--aqua-pale-2);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

.product-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--aqua-pale);
}

.product-card-body {
  padding: 16px 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.product-card-body h3 {
  margin: 0;
  font-size: 1.02rem;
}

.product-cat {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--teal);
  font-weight: 700;
}

.product-desc {
  color: var(--gray);
  font-size: 0.92rem;
  flex: 1;
}

.product-price {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--teal-deep);
}

.product-price .save {
  display: block;
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: normal;
  font-size: 0.78rem;
  color: var(--success);
  font-weight: 700;
}

.bundle-badge {
  display: inline-block;
  background: var(--duck-yellow-dark);
  color: var(--ink);
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 999px;
  width: fit-content;
}

/* ---------- filter chips ---------- */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 2px solid var(--aqua);
  background: var(--white);
  color: var(--teal-deep);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
}

.chip img { width: 18px; height: 18px; }

.chip.active,
.chip:hover {
  background: var(--teal-deep);
  border-color: var(--teal-deep);
  color: var(--white);
}

/* ---------- footer ---------- */
.site-footer {
  background: var(--teal-deep);
  color: var(--aqua-pale);
  padding: 48px 0 24px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.2fr;
  gap: 32px;
}

@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.site-footer h4 {
  color: var(--duck-yellow);
  font-size: 0.85rem;
  margin-bottom: 14px;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li { margin-bottom: 8px; }

.site-footer a {
  color: var(--aqua-pale);
  font-size: 0.92rem;
}
.site-footer a:hover { color: var(--duck-yellow); }

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.footer-brand img { width: 34px; height: 34px; }
.footer-brand span {
  font-family: var(--font-heading);
  text-transform: uppercase;
  color: var(--white);
  font-size: 0.95rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  margin-top: 32px;
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--aqua);
}

.footer-bottom button {
  background: none;
  border: none;
  color: var(--aqua);
  text-decoration: underline;
  cursor: pointer;
  font-size: 0.82rem;
  padding: 0;
}

/* ---------- forms ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 620px) {
  .form-grid { grid-template-columns: 1fr; }
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-field.full { grid-column: 1 / -1; }

.form-field label {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--teal-deep);
}

.form-field input,
.form-field select,
.form-field textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 11px 13px;
  border: 2px solid var(--gray-light);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--ink);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--teal);
}

.form-field.has-error input,
.form-field.has-error select,
.form-field.has-error textarea {
  border-color: var(--danger);
}

.field-error {
  color: var(--danger);
  font-size: 0.8rem;
  min-height: 1em;
}

.form-note {
  font-size: 0.82rem;
  color: var(--gray);
}

fieldset {
  border: 2px solid var(--aqua-pale-2);
  border-radius: var(--radius-md);
  padding: 16px 18px 18px;
  margin: 0 0 20px;
}

legend {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--teal-deep);
  padding: 0 8px;
  font-size: 0.9rem;
}

.radio-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 2px solid var(--aqua-pale-2);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 600;
}
.radio-option:has(input:checked) {
  border-color: var(--teal);
  background: var(--aqua-pale);
}

/* ---------- cart / checkout tables ---------- */
.cart-table {
  width: 100%;
  border-collapse: collapse;
}

.cart-table th {
  text-align: left;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--teal-deep);
  border-bottom: 2px solid var(--aqua-pale-2);
  padding: 10px 8px;
}

.cart-table td {
  padding: 14px 8px;
  border-bottom: 1px solid var(--aqua-pale-2);
  vertical-align: middle;
}

.cart-item-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.cart-item-info img {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  background: var(--aqua-pale);
}

.qty-input {
  width: 60px;
  padding: 8px;
  border: 2px solid var(--gray-light);
  border-radius: var(--radius-sm);
  text-align: center;
}

.remove-btn {
  background: none;
  border: none;
  color: var(--danger);
  cursor: pointer;
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: underline;
}

.summary-box {
  background: var(--aqua-pale);
  border-radius: var(--radius-md);
  padding: 22px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.summary-row.total {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--teal-deep);
  border-top: 2px solid var(--aqua-pale-2);
  padding-top: 12px;
  margin-top: 12px;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray);
}
.empty-state img { width: 120px; margin: 0 auto 20px; }

/* ---------- gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 960px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 700px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }

.gallery-tile {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--aqua-pale-2);
  box-shadow: var(--shadow-sm);
  cursor: zoom-in;
  background: none;
  padding: 0;
}
.gallery-tile img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(15, 58, 62, 0.88);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 24px;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: min(90vw, 640px);
  max-height: 80vh;
  border-radius: var(--radius-md);
}
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: var(--white);
  border: none;
  border-radius: 999px;
  width: 40px;
  height: 40px;
  font-size: 1.2rem;
  cursor: pointer;
}
.lightbox-caption {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--white);
  font-size: 0.9rem;
  max-width: 80vw;
  text-align: center;
}

/* ---------- misc page bits ---------- */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--gray);
  padding: 14px 0;
}
.breadcrumb a { color: var(--teal); }

.page-header {
  background: var(--aqua-pale);
  padding: 40px 0;
  text-align: center;
}

.legal-content h2 { margin-top: 1.6em; }
.legal-content ul { padding-left: 1.3em; }
.legal-content { max-width: 780px; margin: 0 auto; }

.callout {
  background: var(--yellow-pale);
  border: 1px solid var(--duck-yellow);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin: 20px 0;
}

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}
.badge-list li {
  list-style: none;
  background: var(--white);
  border: 1px solid var(--aqua-pale-2);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.82rem;
  color: var(--teal-deep);
  font-weight: 700;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }

.confirmation-box {
  text-align: center;
  max-width: 560px;
  margin: 0 auto 30px;
}
.confirmation-box img { width: 100px; margin: 0 auto 16px; }

/* ---------- cookie consent ---------- */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 600;
  background: var(--teal-deep);
  color: var(--white);
  padding: 18px 20px;
  display: none;
  box-shadow: 0 -6px 20px rgba(0, 0, 0, 0.18);
}
.cookie-banner.open { display: block; }

.cookie-banner-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-banner p {
  margin: 0;
  flex: 1;
  min-width: 240px;
  font-size: 0.9rem;
}

.cookie-banner a { color: var(--duck-yellow); }

.cookie-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.cookie-prefs-btn {
  position: fixed;
  left: 20px;
  bottom: 20px;
  z-index: 590;
  background: var(--white);
  border: 2px solid var(--teal-deep);
  color: var(--teal-deep);
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  display: none;
}
.cookie-prefs-btn.visible { display: inline-flex; align-items: center; gap: 6px; }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 58, 62, 0.6);
  z-index: 700;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.open { display: flex; }

.modal-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-md);
}

.pref-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--aqua-pale-2);
}
.pref-row:last-of-type { border-bottom: none; }

.pref-row strong { display: block; font-size: 0.92rem; }
.pref-row span { font-size: 0.8rem; color: var(--gray); }

.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle .track {
  position: absolute;
  inset: 0;
  background: var(--gray-light);
  border-radius: 999px;
  transition: background 0.15s ease;
  cursor: pointer;
}
.toggle .track::before {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  left: 3px;
  top: 3px;
  background: var(--white);
  border-radius: 50%;
  transition: transform 0.15s ease;
}
.toggle input:checked + .track { background: var(--teal); }
.toggle input:checked + .track::before { transform: translateX(20px); }
.toggle input:disabled + .track { background: var(--teal-mid); cursor: not-allowed; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

/* ---------- toast (add to cart feedback) ---------- */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--teal-deep);
  color: var(--white);
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-size: 0.9rem;
  z-index: 800;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.center-text { text-align: center; }
.mt-0 { margin-top: 0; }
.text-muted { color: var(--gray); }