/**
 * Thơm — Components
 * Buttons, header, nav, footer, cards, forms.
 */

/* ============================= BUTTONS ============================= */
.btn,
.wp-block-button__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-8);
  min-height: 48px;                 /* touch target */
  border: var(--border-width-thick) solid transparent;
  border-radius: var(--radius-pill);
  background-color: var(--c-action);
  color: var(--c-text-on-brand);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  line-height: 1;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
}
.btn:hover  { background-color: var(--c-action-hover); color: var(--c-text-on-brand); }
.btn:active { background-color: var(--c-action-active); transform: translateY(1px); }
.btn[disabled], .btn.disabled { opacity: 0.5; cursor: not-allowed; }

.btn--secondary {
  background-color: transparent;
  border-color: var(--c-action);
  color: var(--c-action);
}
.btn--secondary:hover {
  background-color: var(--c-action);
  color: var(--c-text-on-brand);
}

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

.btn--inverse {
  background-color: var(--c-white);
  color: var(--c-gold-deep);
}
.btn--inverse:hover { background-color: var(--c-cream); color: var(--c-ink); }

.btn--full { width: 100%; }
.btn--sm { padding: var(--sp-2) var(--sp-6); min-height: 40px; font-size: var(--fs-label); }
.btn--lg { padding: var(--sp-4) var(--sp-12); min-height: 56px; font-size: var(--fs-base); }

/* Text link with arrow */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-small);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  text-decoration: none;
}
.link-arrow::after {
  content: "";
  width: 1em; height: 1em;
  background-color: currentColor;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6' stroke='%23000' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
  transition: transform var(--dur-base) var(--ease-out);
}
.link-arrow:hover::after { transform: translateX(3px); }

/* ============================= HEADER ============================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background-color: var(--c-bg);
  border-bottom: var(--border-width) solid transparent;
  transition: border-color var(--dur-base) var(--ease-out),
              background-color var(--dur-base) var(--ease-out);
}
.site-header.is-stuck {
  border-bottom-color: var(--c-border);
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  min-height: 72px;
}
@media (min-width: 1024px) { .site-header__inner { min-height: 88px; } }

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  font-weight: var(--fw-bold);
  line-height: var(--lh-h4);
  letter-spacing: var(--ls-h4);
  color: var(--c-text);
  text-decoration: none;
  flex-shrink: 0;
}
.site-brand:hover { color: var(--c-text); }
.site-brand__logo { max-height: 44px; width: auto; }

/* Primary navigation */
.nav-primary ul {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  margin: 0;
  padding: 0;
  list-style: none;
}
.nav-primary li { margin: 0; }
.nav-primary a {
  position: relative;
  display: block;
  padding-block: var(--sp-2);
  color: var(--c-text);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  text-decoration: none;
}
.nav-primary a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background-color: var(--c-action);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out);
}
.nav-primary a:hover::after,
.nav-primary .current-menu-item > a::after { transform: scaleX(1); }

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

/* Cart button */
.cart-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: var(--radius-circle);
  color: var(--c-text);
  text-decoration: none;
  transition: background-color var(--dur-fast) var(--ease-out);
}
.cart-link:hover { background-color: var(--c-surface-sunken); color: var(--c-text); }
.cart-link__count {
  position: absolute;
  top: 2px; right: 2px;
  min-width: 18px; height: 18px;
  padding-inline: 4px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-pill);
  background-color: var(--c-action);
  color: var(--c-text-on-brand);
  font-size: var(--fs-label);
  font-weight: var(--fw-bold);
  line-height: 1;
}
.cart-link__count:empty,
.cart-link__count[data-count="0"] { display: none; }

/* Mobile nav toggle */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-circle);
  background: transparent;
  cursor: pointer;
}
.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  display: block;
  width: 22px; height: 2px;
  background-color: var(--c-text);
  border-radius: var(--radius-pill);
  transition: transform var(--dur-base) var(--ease-out),
              opacity var(--dur-fast) var(--ease-out);
}
.nav-toggle__bars { position: relative; }
.nav-toggle__bars::before,
.nav-toggle__bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle__bars::before { top: -7px; }
.nav-toggle__bars::after  { top: 7px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background-color: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after  { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
@media (max-width: 1023px) {
  .nav-toggle { display: inline-flex; }

  .nav-primary {
    position: fixed;
    inset: 72px 0 0 0;
    z-index: var(--z-drawer);
    padding: var(--sp-8) var(--gutter) var(--sp-16);
    background-color: var(--c-bg);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--dur-base) var(--ease-out),
                transform var(--dur-base) var(--ease-out),
                visibility var(--dur-base);
  }
  .nav-primary.is-open { opacity: 1; visibility: visible; transform: translateY(0); }

  .nav-primary ul {
    flex-direction: column;
    align-items: stretch;
    gap: var(--sp-1);
  }
  .nav-primary a {
    padding: var(--sp-4) 0;
    font-family: var(--font-display);
    font-size: var(--fs-h3);
    border-bottom: var(--border-width) solid var(--c-border);
  }
  .nav-primary a::after { display: none; }

  body.nav-open { overflow: hidden; }
}

@media (min-width: 1024px) {
  .nav-toggle { display: none; }
}

/* ============================= FOOTER ============================= */
.site-footer {
  margin-top: var(--sp-section);
  padding-block: var(--sp-16) var(--sp-8);
  background-color: var(--c-bg-inverse);
  color: var(--c-text-inverse);
}
.site-footer a { color: var(--c-text-inverse); text-decoration: none; opacity: 0.8; }
.site-footer a:hover { opacity: 1; color: var(--c-text-inverse); text-decoration: underline; }

.site-footer__grid {
  display: grid;
  gap: var(--sp-12);
  grid-template-columns: 1fr;
}

/* The brand column carries the logo and tagline, so it stays widest; the
   link columns size to their content. Templates are chosen by how many
   columns actually rendered — see footer.php. */
@media (min-width: 768px) {
  .site-footer__grid--2 { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
  .site-footer__grid--3,
  .site-footer__grid--4 { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr); }
}

@media (min-width: 1024px) {
  .site-footer__grid--4 {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.5fr);
  }
}

/* With only the brand, centre it rather than stranding it in a wide row. */
.site-footer__grid--1 { max-width: var(--container-text); }

.site-footer__heading {
  margin-bottom: var(--sp-4);
  font-family: var(--font-body);
  font-size: var(--fs-label);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--c-text-inverse);
  opacity: 0.6;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: var(--sp-3); }

.site-footer__bottom {
  margin-top: var(--sp-12);
  padding-top: var(--sp-6);
  border-top: var(--border-width) solid var(--c-border-inverse);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  justify-content: space-between;
  font-size: var(--fs-small);
  opacity: 0.7;
}

/* ============================= CARDS ============================= */
.card {
  display: flex;
  flex-direction: column;
  background-color: var(--c-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}
.card__media {
  aspect-ratio: 1 / 1;
  background-color: var(--c-surface-sunken);
  overflow: hidden;
}
.card__media img { width: 100%; height: 100%; object-fit: cover; }
.card__body { padding: var(--sp-6); }

/* Feature / value-prop tile */
.feature {
  text-align: center;
  padding: var(--sp-8) var(--sp-4);
}
.feature__icon {
  width: 56px; height: 56px;
  margin: 0 auto var(--sp-6);
  display: grid;
  place-items: center;
  border-radius: var(--radius-circle);
  background-color: var(--c-action-subtle);
  color: var(--c-gold-deep);
}
.feature__title { font-size: var(--fs-h4); margin-bottom: var(--sp-2); }
.feature__text  { color: var(--c-text-muted); font-size: var(--fs-small); line-height: var(--lh-relaxed); }

/* ============================= FORMS ============================= */
.field { margin-bottom: var(--sp-6); }
.field__label {
  display: block;
  margin-bottom: var(--sp-2);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
}
.field__label .required { color: var(--c-danger); }

input[type="text"], input[type="email"], input[type="url"],
input[type="password"], input[type="search"], input[type="number"],
input[type="tel"], input[type="date"], select, textarea {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  min-height: 48px;
  background-color: var(--c-surface);
  border: var(--border-width) solid var(--c-border-strong);
  border-radius: var(--radius-md);
  font-size: var(--fs-base);
  transition: border-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--c-action);
  box-shadow: 0 0 0 3px var(--c-action-subtle);
}
textarea { min-height: 140px; resize: vertical; }

.field__hint  { margin-top: var(--sp-2); font-size: var(--fs-small); color: var(--c-text-muted); }
.field__error { margin-top: var(--sp-2); font-size: var(--fs-small); color: var(--c-danger); }

.form-notice {
  padding: var(--sp-4) var(--sp-6);
  margin-bottom: var(--sp-6);
  border-radius: var(--radius-md);
  font-size: var(--fs-small);
}
.form-notice--success { background-color: var(--c-success-bg); color: var(--c-success); }
.form-notice--error   { background-color: var(--c-danger-bg); color: var(--c-danger); }

/* Honeypot — must stay visually hidden but not display:none */
.field--hp {
  position: absolute !important;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}