/* ==========================================================================
   Zim Zam Labs — Shared Components
   Nav, footer, buttons, product card, pull quote, trust bar
   ========================================================================== */

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-body);
  padding: clamp(0.75rem, 0.5rem + 0.5vw, 1rem) clamp(1.5rem, 1rem + 1vw, 2.5rem);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--color-on-primary);
}

.btn--primary:hover {
  opacity: 0.9;
  color: var(--color-on-primary);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}

.btn--outline:hover {
  background-color: var(--color-primary-5);
  color: var(--color-primary);
}

.btn--secondary {
  background-color: var(--color-secondary-container);
  color: var(--color-on-secondary-container);
}

.btn--ghost {
  color: var(--color-primary);
  padding-inline: 0;
  border-bottom: 2px solid var(--color-primary-20);
  border-radius: 0;
  padding-bottom: 0.25rem;
}

.btn--ghost:hover {
  border-bottom-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--inverse {
  background-color: var(--color-surface);
  color: var(--color-primary);
}

.btn--inverse:hover {
  background-color: var(--color-surface-container-high);
  color: var(--color-primary);
}

.btn--full {
  width: 100%;
}

.btn--lg {
  font-size: var(--text-body-lg);
  padding: clamp(0.875rem, 0.625rem + 0.5vw, 1.25rem) clamp(2rem, 1.5rem + 1vw, 3rem);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  background-color: rgba(254, 249, 241, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-width);
  margin-inline: auto;
  padding: clamp(0.75rem, 0.5rem + 0.5vw, 1.25rem) var(--content-padding);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.nav__logo img {
  height: clamp(1.75rem, 1.5rem + 0.5vw, 2.25rem);
  width: auto;
}

.nav__logo-text {
  font-family: var(--font-headline);
  font-size: clamp(1.25rem, 1.1rem + 0.5vw, 1.625rem);
  font-weight: 700;
  font-style: italic;
  color: var(--color-on-surface);
  letter-spacing: -0.01em;
}

.nav__links {
  display: none;
  align-items: center;
  gap: clamp(1.5rem, 1rem + 1vw, 2.5rem);
}

.nav__link {
  font-family: var(--font-headline);
  font-size: clamp(0.9375rem, 0.875rem + 0.15vw, 1.0625rem);
  color: var(--color-on-surface-variant);
  letter-spacing: -0.01em;
  transition: color 0.3s ease;
  position: relative;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-primary);
}

.nav__link--active::after {
  content: '';
  position: absolute;
  bottom: -0.25rem;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
}

.nav__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  color: var(--color-primary);
}

.nav__toggle svg {
  width: 1.5rem;
  height: 1.5rem;
}

/* Mobile menu */
.nav__mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-surface);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.nav__mobile.is-open {
  display: flex;
}

.nav__mobile a {
  font-family: var(--font-headline);
  font-size: var(--text-h3);
  color: var(--color-on-surface);
}

.nav__mobile a:hover {
  color: var(--color-primary);
}

.nav__mobile-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-on-surface);
}

@media (min-width: 768px) {
  .nav__links { display: flex; }
  .nav__toggle { display: none; }
}

/* --- Footer --- */
.footer {
  background-color: var(--color-surface-container-low);
  padding: var(--space-section) var(--content-padding) var(--space-lg);
}

.footer__inner {
  max-width: var(--max-width-content);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  text-align: center;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer__logo img {
  height: 1.75rem;
  width: auto;
}

.footer__logo-text {
  font-family: var(--font-headline);
  font-size: clamp(1.125rem, 1rem + 0.3vw, 1.375rem);
  font-weight: 600;
  color: var(--color-on-surface);
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(1rem, 0.75rem + 0.75vw, 2rem);
}

.footer__nav a {
  font-size: var(--text-label);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
  transition: color 0.3s ease;
}

.footer__nav a:hover {
  color: var(--color-primary);
}

.footer__social {
  display: flex;
  gap: 1.5rem;
}

.footer__social a {
  color: var(--color-secondary);
  transition: color 0.3s ease;
}

.footer__social a:hover {
  color: var(--color-primary);
}

.footer__social svg {
  width: 1.25rem;
  height: 1.25rem;
}

.footer__pledge {
  font-family: var(--font-headline);
  font-style: italic;
  font-size: var(--text-body);
  color: var(--color-on-surface-variant);
  max-width: 36rem;
  line-height: 1.5;
}

.footer__copyright {
  font-size: var(--text-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-secondary);
  opacity: 0.7;
}

/* --- Pull Quote --- */
.pull-quote {
  border-left: 2px solid var(--color-outline-variant);
  padding-left: var(--space-md);
  padding-block: var(--space-sm);
}

.pull-quote__text {
  font-family: var(--font-headline);
  font-style: italic;
  font-size: var(--text-pull-quote);
  line-height: 1.3;
  color: var(--color-on-surface);
}

.pull-quote__attribution {
  display: block;
  margin-top: var(--space-sm);
  font-family: var(--font-body);
  font-size: var(--text-label);
  font-weight: 700;
  font-style: normal;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
}

/* --- Product Card --- */
.product-card {
  background-color: var(--color-surface-container-lowest);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(190, 201, 197, 0.1);
  text-align: center;
}

.product-card__title {
  font-size: var(--text-h3);
  margin-bottom: var(--space-xs);
}

.product-card__subtitle {
  color: var(--color-secondary);
  margin-bottom: var(--space-md);
}

.product-card__tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.tier {
  padding: var(--space-md);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.tier:hover {
  border-color: var(--color-primary);
}

.tier--active {
  border: 2px solid var(--color-primary);
  background-color: var(--color-primary-5);
  position: relative;
}

.tier__label {
  display: block;
  font-size: var(--text-label);
  color: var(--color-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.tier__price {
  font-family: var(--font-headline);
  font-size: var(--text-h3);
  font-weight: 700;
}

.tier__per-serving {
  display: block;
  font-size: var(--text-label);
  color: var(--color-outline);
  margin-top: 0.25rem;
}

.tier__badge {
  position: absolute;
  top: -0.625rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: var(--color-on-primary);
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  white-space: nowrap;
}

.product-card__ingredients {
  padding-top: var(--space-md);
  border-top: 1px solid rgba(190, 201, 197, 0.2);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xs);
  text-align: left;
}

.product-card__ingredient {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-body-sm);
  color: var(--color-secondary);
}

.product-card__ingredient svg {
  width: 1rem;
  height: 1rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .product-card__ingredients {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --- Trust Bar --- */
.trust-bar {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  text-align: center;
}

.trust-bar__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.375rem;
}

.trust-bar__icon {
  color: var(--color-primary);
  width: 1.5rem;
  height: 1.5rem;
}

.trust-bar__text {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-secondary);
}

@media (min-width: 768px) {
  .trust-bar {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .trust-bar {
    grid-template-columns: repeat(6, 1fr);
  }
}

/* --- FAQ Accordion --- */
.faq-item {
  border-bottom: 1px solid rgba(190, 201, 197, 0.2);
  padding-bottom: var(--space-sm);
}

.faq-item__question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--space-sm) 0;
  text-align: left;
  font-weight: 700;
  font-size: var(--text-body);
  color: var(--color-on-surface);
  cursor: pointer;
}

.faq-item__icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-outline);
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.faq-item.is-open .faq-item__icon {
  transform: rotate(45deg);
}

.faq-item__answer {
  display: none;
  padding-bottom: var(--space-sm);
  color: var(--color-secondary);
  font-size: var(--text-body);
  line-height: 1.7;
}

.faq-item.is-open .faq-item__answer {
  display: block;
}

/* --- Inline CTA Link --- */
.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-weight: 700;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary-20);
  padding-bottom: 0.125rem;
  transition: border-color 0.3s ease;
}

.cta-link:hover {
  border-bottom-color: var(--color-primary);
  color: var(--color-primary);
}

.cta-link svg {
  width: 1rem;
  height: 1rem;
}

/* --- Photo Placeholder --- */
.photo-placeholder {
  background-color: var(--color-surface-container-high);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
  font-size: var(--text-body-sm);
  font-style: italic;
  text-align: center;
  padding: var(--space-md);
  min-height: 200px;
}

/* --- Ingredient Card (for ingredients page) --- */
.ingredient-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.ingredient-card__image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.ingredient-card__name {
  font-family: var(--font-headline);
  font-size: var(--text-h3);
}

.ingredient-card__desc {
  color: var(--color-secondary);
  line-height: 1.7;
}

/* --- Stat block --- */
.stat {
  text-align: center;
}

.stat__value {
  font-family: var(--font-headline);
  font-size: var(--text-h2);
  font-weight: 700;
}

.stat__label {
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  opacity: 0.7;
  margin-top: 0.25rem;
}

/* --- Data table --- */
.data-table {
  width: 100%;
  text-align: left;
  border-collapse: collapse;
}

.data-table th {
  font-family: var(--font-body);
  font-size: var(--text-label);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-secondary);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(190, 201, 197, 0.2);
}

.data-table th.text-primary {
  color: var(--color-primary);
}

.data-table td {
  padding: var(--space-sm) 0;
  font-size: var(--text-body);
  transition: background-color 0.2s ease;
}

.data-table tr:hover td {
  background-color: var(--color-surface-container-low);
}

.data-table td.highlight {
  color: var(--color-primary);
  font-weight: 700;
}

/* --- Spacer after nav --- */
.nav-spacer {
  height: clamp(3.5rem, 3rem + 1vw, 5rem);
}

/* --- Divider (no-line, spacing only) --- */
.divider {
  height: 1px;
  background-color: rgba(190, 201, 197, 0.2);
  border: none;
  margin-block: var(--space-lg);
}

/* --- Community (dark teal/blue) section --- */
.community-section {
  background: var(--gradient-primary);
  color: var(--color-on-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
}

/* --- Form elements --- */
.input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-surface);
  border: none;
  border-bottom: 2px solid var(--color-secondary);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  color: var(--color-on-surface);
  transition: border-color 0.3s ease;
}

.input:focus {
  outline: none;
  border-bottom-color: var(--color-primary);
}

.input::placeholder {
  color: var(--color-outline);
}

/* --- Step card (how it works) --- */
.step {
  text-align: center;
}

.step__icon {
  width: 4rem;
  height: 4rem;
  margin-inline: auto;
  background-color: var(--color-surface);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
  transition: transform 0.2s ease;
}

.step:hover .step__icon {
  transform: scale(1.1);
}

.step__icon svg {
  width: 1.75rem;
  height: 1.75rem;
}

.step__title {
  font-family: var(--font-headline);
  font-size: var(--text-h3);
  margin-bottom: var(--space-xs);
}

.step__desc {
  color: var(--color-secondary);
}

/* --- Discount Banner (affiliate referral) --- */
.discount-banner {
  position: fixed;
  top: clamp(3.5rem, 3rem + 1vw, 5rem);
  left: 0;
  width: 100%;
  z-index: 99;
  background-color: var(--color-surface-container-high);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: var(--space-xs) var(--content-padding);
  font-size: var(--text-body-sm);
  color: var(--color-primary);
  font-weight: 600;
}

.discount-banner__icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.discount-banner__close {
  position: absolute;
  right: var(--content-padding);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-outline);
  transition: color 0.2s ease;
}

.discount-banner__close:hover {
  color: var(--color-on-surface);
}

.discount-banner__close svg {
  width: 0.875rem;
  height: 0.875rem;
}

/* --- Nav Cart Icon --- */
.nav__right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav__cart {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  color: var(--color-primary);
}

.nav__cart svg {
  width: 1.5rem;
  height: 1.5rem;
}

.nav__cart-count {
  position: absolute;
  top: 0.125rem;
  right: 0;
  min-width: 1.125rem;
  height: 1.125rem;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  font-size: 0.625rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

@media (min-width: 768px) {
  .nav__toggle { display: none; }
}

/* --- Cart Overlay --- */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.cart-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

/* --- Cart Drawer --- */
.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: clamp(300px, 80vw, 400px);
  height: 100vh;
  background-color: var(--color-surface);
  z-index: 201;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-xl);
}

.cart-drawer.is-open {
  transform: translateX(0);
}

.cart-drawer__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--content-padding);
  border-bottom: 1px solid rgba(190, 201, 197, 0.2);
}

.cart-drawer__title {
  font-family: var(--font-headline);
  font-size: var(--text-h3);
}

.cart-drawer__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  color: var(--color-outline);
  transition: color 0.2s ease;
}

.cart-drawer__close:hover {
  color: var(--color-on-surface);
}

.cart-drawer__close svg {
  width: 1.25rem;
  height: 1.25rem;
}

.cart-drawer__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md) var(--content-padding);
}

.cart-drawer__empty {
  text-align: center;
  color: var(--color-outline);
  padding: var(--space-xl) 0;
  font-size: var(--text-body);
}

.cart-drawer__footer {
  padding: var(--space-md) var(--content-padding);
  border-top: 1px solid rgba(190, 201, 197, 0.2);
}

/* --- Cart Items --- */
.cart-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-sm);
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-md);
  border-bottom: 1px solid rgba(190, 201, 197, 0.15);
}

.cart-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.cart-item__info {
  flex: 1;
}

.cart-item__name {
  font-weight: 600;
  font-size: var(--text-body);
  margin-bottom: 0.25rem;
}

.cart-item__price {
  font-size: var(--text-body-sm);
  color: var(--color-secondary);
}

.cart-item__controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cart-item__qty-btn {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-outline-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  color: var(--color-on-surface);
  transition: all 0.2s ease;
}

.cart-item__qty-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.cart-item__qty {
  font-weight: 600;
  font-size: var(--text-body);
  min-width: 1.5rem;
  text-align: center;
}

.cart-item__remove {
  color: var(--color-error);
  font-size: var(--text-body-sm);
  font-weight: 600;
  margin-top: 0.25rem;
  transition: opacity 0.2s ease;
}

.cart-item__remove:hover {
  opacity: 0.7;
}

/* --- Cart Total Rows --- */
.cart-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-body);
  padding: 0.25rem 0;
}

.cart-total-row--discount {
  color: var(--color-primary);
}

.cart-total-row--total {
  font-weight: 700;
  font-size: var(--text-body-lg);
  border-top: 1px solid rgba(190, 201, 197, 0.2);
  padding-top: var(--space-sm);
  margin-top: var(--space-xs);
}

/* --- Checkout Grid --- */
.checkout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .checkout-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

/* --- Checkout Form --- */
.checkout-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.checkout-form label {
  display: block;
  font-size: var(--text-body-sm);
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: 0.25rem;
}

.checkout-form select.input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236E7976' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.checkout-error {
  display: none;
  background-color: var(--color-error-container);
  color: var(--color-error);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-size: var(--text-body-sm);
  font-weight: 600;
}

.checkout-error.is-visible {
  display: block;
}

/* --- Order Summary Card --- */
.summary-card {
  background-color: var(--color-surface-container-lowest);
  border: 1px solid rgba(190, 201, 197, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  align-self: start;
}

.summary-card__title {
  font-family: var(--font-headline);
  font-size: var(--text-h3);
  margin-bottom: var(--space-md);
}

.summary-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-body);
  padding: 0.375rem 0;
}

.summary-item--discount {
  color: var(--color-primary);
}

.summary-divider {
  height: 1px;
  background-color: rgba(190, 201, 197, 0.2);
  border: none;
  margin: var(--space-sm) 0;
}

.summary-item--total {
  font-weight: 700;
  font-size: var(--text-body-lg);
}

/* --- Order Confirmation --- */
.order-confirmed {
  text-align: center;
  padding: var(--space-xl) 0;
}

.order-confirmed__icon {
  width: 4rem;
  height: 4rem;
  margin: 0 auto var(--space-md);
  color: var(--color-primary);
}

.order-confirmed__details {
  text-align: left;
  max-width: 500px;
  margin: var(--space-lg) auto 0;
}