/* Jadegia shared '系列設計概念' (Design Concept) module
   Scoped to .jadegia-shared-concept — zero global side-effects.
   Variant: add class jadegia-concept--reversed to swap image/text columns. */

[data-pdp-shared-concept] {
  display: block;
}

/* ── Section wrapper ───────────────────────────────────────────── */
.jadegia-shared-concept {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  background: var(--white, #ffffff);
  border-top: 1px solid var(--border, #e0ddd8);
  margin-bottom: 96px;
  overflow: hidden;
  width: 100%;
}

/* ── Image column ──────────────────────────────────────────────── */
.jadegia-shared-concept .concept-image {
  flex: 0 0 55%;
  max-width: 55%;
  order: 1;
}

.jadegia-shared-concept .concept-image-inner {
  position: relative;
  width: 100%;
  aspect-ratio: 1.4 / 1;
  overflow: hidden;
  background: var(--offwhite, #f8f7f4);
}

.jadegia-shared-concept .concept-image-inner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.jadegia-shared-concept .concept-image-inner:hover img {
  transform: scale(1.03);
}

/* Placeholder shown when no image src is provided */
.jadegia-shared-concept .concept-image-placeholder {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    var(--jade-dark, #1a3628) 0%,
    var(--jade, #2d5a40) 60%,
    var(--jade-light, #4a8060) 100%
  );
}

/* ── Text column ───────────────────────────────────────────────── */
.jadegia-shared-concept .concept-text {
  flex: 0 0 45%;
  max-width: 45%;
  order: 2;
  padding: 0 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.jadegia-shared-concept .concept-text-inner {
  max-width: 448px;
  width: 100%;
}

/* ── Heading (spec #1: Title 1 — 32px 源流明 genryumin semibold) ── */
.jadegia-shared-concept .concept-heading {
  font-family: 'GenRyuMin 2.0', 'GenRyuMin', '源流明體', serif;
  font-size: var(--text-title1, 32px);
  font-weight: 600; /* semibold — genryumin 600; fallback Noto Serif TC 600 */
  color: var(--black, #0d0d0d);
  line-height: 1.3;
  letter-spacing: 0.02em;
  margin: 0 0 32px;
}

/* ── Body copy (spec #5: 18px Noto Sans TC light) ──────────────── */
.jadegia-shared-concept .concept-body {
  font-family: var(--sans-zh, 'Noto Sans TC', 'PingFang TC', 'Microsoft JhengHei', sans-serif);
  font-size: var(--text-body, 18px);
  font-weight: 300;
  color: #6b7280;
  line-height: 1.75;
  letter-spacing: 0.01em;
  margin: 0 0 48px;
}

/* ── CTA button — border with gold fill reveal on hover ────────── */
.jadegia-shared-concept .concept-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 56px;
  padding: 0 64px;
  border: 1px solid var(--black, #0d0d0d);
  background: transparent;
  cursor: pointer;
  overflow: hidden;
  font-family: 'Noto Sans TC', 'PingFang TC', 'Microsoft JhengHei', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--black, #0d0d0d);
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: color 0.5s;
  white-space: nowrap;
}

.jadegia-shared-concept .concept-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: #f5ce71;
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.jadegia-shared-concept .concept-btn span {
  position: relative;
  z-index: 1;
}

.jadegia-shared-concept .concept-btn:hover {
  color: var(--white, #ffffff);
}

.jadegia-shared-concept .concept-btn:hover::before {
  transform: translateY(0);
}

.jadegia-shared-concept .concept-btn:active {
  opacity: 0.85;
}

/* ── Reversed variant: image right, text left ──────────────────── */
.jadegia-shared-concept.jadegia-concept--reversed .concept-image {
  order: 2;
}

.jadegia-shared-concept.jadegia-concept--reversed .concept-text {
  order: 1;
}

/* ── Tablet (1024px and below) ─────────────────────────────────── */
@media (max-width: 1023px) {
  .jadegia-shared-concept .concept-text {
    padding: 0 40px;
  }

  .jadegia-shared-concept .concept-heading {
    font-size: 26px;
    margin-bottom: 24px;
  }

  .jadegia-shared-concept .concept-body {
    font-size: 16px;
    margin-bottom: 36px;
  }
}

/* ── Mobile (767px and below) ──────────────────────────────────── */
@media (max-width: 767px) {
  .jadegia-shared-concept {
    flex-direction: column;
    margin-bottom: 64px;
  }

  /* Image always stacks on top in mobile regardless of variant */
  .jadegia-shared-concept .concept-image,
  .jadegia-shared-concept.jadegia-concept--reversed .concept-image {
    flex: unset;
    max-width: 100%;
    width: 100%;
    order: 1;
  }

  .jadegia-shared-concept .concept-text,
  .jadegia-shared-concept.jadegia-concept--reversed .concept-text {
    flex: unset;
    max-width: 100%;
    width: 100%;
    padding: 40px 24px 48px;
    order: 2;
  }

  .jadegia-shared-concept .concept-text-inner {
    max-width: 100%;
  }

  .jadegia-shared-concept .concept-heading {
    font-size: 24px;
    margin-bottom: 20px;
  }

  .jadegia-shared-concept .concept-body {
    font-size: 16px;
    margin-bottom: 32px;
  }

  /* Full-width button on mobile */
  .jadegia-shared-concept .concept-btn {
    width: 100%;
    padding: 0;
  }
}