/* ============================================================
   components.css — buttons, plates, cards, tables, FAQ, notes
   ============================================================ */

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  border: 1.5px solid transparent;
  border-radius: 0;
  transition: background-color var(--motion-fast) var(--motion-ease),
              color var(--motion-fast) var(--motion-ease),
              border-color var(--motion-fast) var(--motion-ease);
  cursor: pointer;
  text-decoration: none;
  min-height: 48px;
}

.btn-primary {
  background: var(--color-ink);
  color: var(--color-bone);
  border-color: var(--color-ink);
}
.btn-primary:hover { background: var(--color-umber); border-color: var(--color-umber); }

.btn-secondary {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}
.btn-secondary:hover { background: var(--color-ink); color: var(--color-bone); }

.btn-ghost-bone {
  background: transparent;
  color: var(--color-bone);
  border-color: var(--color-bone);
}
.btn-ghost-bone:hover { background: var(--color-bone); color: var(--color-ink); }

.btn-link {
  background: transparent;
  border-color: transparent;
  padding: 0;
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.12em;
  position: relative;
  color: var(--color-ink);
  min-height: 0;
}
.btn-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 1px;
  background: currentColor;
  transform-origin: left;
  transition: transform var(--motion-base) var(--motion-ease);
}
.btn-link:hover::after { transform: scaleX(0.6); }

/* ---------- Hairlines ---------- */
.rule {
  height: 1px;
  background: var(--color-hairline-strong);
  border: 0;
  margin: 0;
}

/* ---------- Image plates ---------- */
.plate {
  position: relative;
  background: var(--color-oat);
  border: 1px solid var(--color-hairline-strong);
  overflow: hidden;
  aspect-ratio: 4 / 5;
}
.plate--wide { aspect-ratio: 3 / 2; }
.plate--portrait { aspect-ratio: 3 / 4; }
.plate--square { aspect-ratio: 1 / 1; }

.plate__caption {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  right: var(--space-4);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-graphite);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  pointer-events: none;
  z-index: 2;
}

.plate svg.plate__art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* ---------- Plant photography plate ---------- */
.plant-plate {
  position: relative;
  background: var(--color-oat);
  border: 1px solid var(--color-hairline-strong);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  isolation: isolate;
}
.plant-plate--portrait { aspect-ratio: 3 / 4; }
.plant-plate--wide     { aspect-ratio: 3 / 2; }
.plant-plate--tall     { aspect-ratio: 4 / 6; }

.plant-plate > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 110%;
  object-fit: cover;
  object-position: center;
  display: block;
  filter: saturate(0.86) contrast(1.02);
}

.plant-plate::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
              rgba(0, 0, 0, 0)    0%,
              rgba(0, 0, 0, 0)    55%,
              rgba(30, 30, 30, 0.22) 100%);
  pointer-events: none;
  z-index: 1;
}

.plant-plate .plate__caption {
  z-index: 2;
  color: var(--color-oat);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.35);
}

/* ---------- Spec table ---------- */
.spec-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 calc(-1 * var(--gutter));
  padding: 0 var(--gutter);
}
.spec-table-wrap:focus-visible { outline-offset: 4px; }
.spec-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: var(--fs-small);
}
.spec-table thead th {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-graphite);
  text-align: left;
  padding: var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--color-hairline-strong);
}
.spec-table tbody td {
  padding: var(--space-5) var(--space-3);
  border-bottom: 1px solid var(--color-hairline);
  vertical-align: top;
  transition: background-color var(--motion-fast) var(--motion-ease);
}
.spec-table tbody tr:hover td { background: var(--color-oat); }
.spec-table .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
  white-space: nowrap;
}
.spec-table .ingredient {
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: -0.005em;
}
.spec-table .source {
  color: var(--color-graphite);
  font-size: 13px;
  display: block;
  margin-top: 2px;
  font-family: var(--font-body);
}

/* ---------- Cards ---------- */
.card {
  border: 1px solid var(--color-hairline-strong);
  background: var(--color-bone);
  padding: var(--space-7);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.card--oat { background: var(--color-oat); }

/* ---------- SKU card ---------- */
.sku {
  border: 1px solid var(--color-hairline-strong);
  background: var(--color-bone);
  padding: var(--space-7);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  height: 100%;
  transition: background-color var(--motion-base) var(--motion-ease);
}
.sku:hover { background: var(--color-oat); }
.sku__plate {
  aspect-ratio: 4 / 3;
  background: var(--color-oat);
  border: 1px solid var(--color-hairline);
  margin-bottom: var(--space-3);
  position: relative;
  overflow: hidden;
}
.sku:hover .sku__plate { background: var(--color-oat-deep); }
.sku__plate svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.sku__index {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--color-graphite);
  text-transform: uppercase;
}
.sku__name {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.18;
  letter-spacing: 0;
  font-weight: var(--weight-h2);
}
.sku__desc {
  color: var(--color-graphite);
  font-size: 15px;
  line-height: 1.55;
}
.sku__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--color-graphite);
  display: flex;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-hairline);
  margin-top: auto;
  text-transform: uppercase;
}

/* ---------- FAQ ---------- */
.faq {
  border-top: 1px solid var(--color-hairline-strong);
}
.faq__item {
  border-bottom: 1px solid var(--color-hairline-strong);
}
.faq__trigger {
  width: 100%;
  text-align: left;
  padding: var(--space-6) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-5);
  font-family: var(--font-display);
  font-size: clamp(18px, 1.7vw, 22px);
  line-height: 1.25;
  letter-spacing: 0;
  color: var(--color-ink);
  cursor: pointer;
  font-weight: var(--weight-h2);
}
.faq__trigger::after {
  content: '';
  width: 14px;
  height: 14px;
  background-image: linear-gradient(currentColor, currentColor),
                    linear-gradient(currentColor, currentColor);
  background-size: 14px 1.5px, 1.5px 14px;
  background-position: center center, center center;
  background-repeat: no-repeat;
  color: var(--color-graphite);
  flex: 0 0 auto;
  transition: transform var(--motion-base) var(--motion-ease);
}
.faq__item.is-open .faq__trigger::after {
  transform: rotate(45deg);
}
.faq__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--motion-base) var(--motion-ease);
}
.faq__item.is-open .faq__panel {
  grid-template-rows: 1fr;
}
.faq__panel-inner {
  overflow: hidden;
}
.faq__panel-text {
  padding: 0 0 var(--space-7);
  max-width: 60ch;
  color: var(--color-graphite);
  font-size: 16px;
  line-height: 1.6;
}

/* ---------- Field notes ---------- */
.fieldnote {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-hairline-strong);
}
.fieldnote:last-child {
  border-bottom: 1px solid var(--color-hairline-strong);
}
.fieldnote__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-graphite);
}
.fieldnote__meta span { display: inline-flex; align-items: center; gap: var(--space-2); }
.fieldnote__meta span::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 1px;
  background: var(--color-graphite);
}
.fieldnote__meta span:first-child::before { display: none; }
.fieldnote__quote {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  max-width: 60ch;
  font-weight: var(--weight-h2);
}

/* ---------- In/Out list ---------- */
.io-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
}
@media (min-width: 768px) {
  .io-list {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}
.io-list__col-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-hairline-strong);
}
.io-list__col-head h3 {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: -0.005em;
  font-weight: var(--weight-h2);
}
.io-list__col-head .text-mono {
  color: var(--color-graphite);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 10px;
}
.io-list__row {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-hairline);
}
.io-list__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
}
.io-list__reason {
  color: var(--color-graphite);
  font-size: 14px;
  line-height: 1.5;
}