/* ═══════════════════════════════════════════════════
   PAGE: WHY-US — 為什麼選前衛東方 專用樣式
   前衛東方官網 V2
   ═══════════════════════════════════════════════════ */

/* ── Sub Hero (繼承 page-about.css 的 .sub-hero) ── */
.sub-hero {
  position: relative;
  height: 72vh;
  min-height: 520px;
  max-height: 820px;
  width: 100%;
  overflow: hidden;
  background: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
}

.sub-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: brightness(0.72) saturate(1.05);
  transform: scale(1.03);
  transition: transform 1.2s ease-out;
}

.sub-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(28, 27, 24, 0.45) 0%,
    rgba(28, 27, 24, 0.25) 45%,
    rgba(28, 27, 24, 0.55) 100%
  );
}

.sub-hero-inner {
  position: relative;
  z-index: 2;
  padding: 0 24px;
  max-width: 780px;
}

.sub-hero-tag {
  display: inline-block;
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 13px;
  letter-spacing: 0.5em;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
  margin-bottom: 22px;
}

.sub-hero-title {
  font-family: 'Noto Serif TC', serif;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 400;
  letter-spacing: 0.22em;
  color: #fff;
  line-height: 1.35;
  margin: 0 0 18px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
}

.sub-hero-sub {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: rgba(255, 255, 255, 0.68);
  letter-spacing: 0.08em;
  margin: 0 0 28px;
}

.sub-hero-desc {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 2;
  letter-spacing: 0.04em;
  max-width: 620px;
  margin: 0 auto;
}

.sub-hero-desc span {
  display: block;
}


/* ══════════════════════════════════════════
   02 · 對比區 — 深色底
══════════════════════════════════════════ */
.whyus-compare {
  background: var(--dark);
  color: #fff;
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

.compare-col {
  padding: 40px 36px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.compare-col--other {
  background: rgba(255, 255, 255, 0.03);
}

.compare-col--us {
  background: rgba(154, 132, 86, 0.08);
  border-color: var(--accent);
}

.compare-heading {
  font-family: 'Noto Serif TC', serif;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  margin: 0 0 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.compare-col--us .compare-heading {
  color: var(--accent);
  border-bottom-color: rgba(154, 132, 86, 0.3);
}

.compare-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.compare-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 14px;
  line-height: 1.75;
  letter-spacing: 0.03em;
}

.compare-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
}

.compare-item--no .compare-icon {
  background: rgba(196, 92, 92, 0.15);
  color: var(--error);
}

.compare-item--no span:last-child {
  color: rgba(255, 255, 255, 0.55);
}

.compare-item--yes .compare-icon {
  background: rgba(154, 132, 86, 0.2);
  color: var(--accent);
}

.compare-item--yes span:last-child {
  color: rgba(255, 255, 255, 0.9);
}


/* ══════════════════════════════════════════
   03 · 六大優勢卡片
══════════════════════════════════════════ */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.advantage-card {
  padding: 40px 32px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.6);
  transition:
    border-color var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.advantage-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.advantage-num {
  display: inline-block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 28px;
  font-weight: 300;
  color: var(--accent);
  letter-spacing: 0.05em;
  line-height: 1;
  margin-bottom: 18px;
}

.advantage-title {
  font-family: 'Noto Serif TC', serif;
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--ink);
  margin: 0 0 14px;
}

.advantage-desc {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 13.5px;
  line-height: 1.95;
  color: rgba(28, 27, 24, 0.72);
  letter-spacing: 0.03em;
  margin: 0;
}


/* ══════════════════════════════════════════
   響應式
══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .advantage-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .sub-hero {
    height: 60vh;
    min-height: 420px;
  }

  .compare-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .compare-col {
    padding: 28px 24px;
  }

  .advantage-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .advantage-card {
    padding: 28px 24px;
  }
}