/* Section 04 only: a quiet capability index, not cards or a pinned story. */
.hqess-why { background: var(--hqess-warm-white); color: var(--hqess-graphite); padding-block: clamp(4.5rem, 7vw, 6.5rem); scroll-margin-top: 1rem; }
.hqess-why__header { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr); gap: 4rem; align-items: end; margin-bottom: 3rem; }
.hqess-why__eyebrow { font-size: 0.875rem; font-weight: 600; letter-spacing: 0.16em; color: var(--hqess-green); margin: 0 0 1.25rem; }
.hqess-why__header h2 { font-size: clamp(2.75rem, 4.65vw, 4.5rem); line-height: 1.02; margin: 0; }
.hqess-why__header h2 span { display: block; }
.hqess-why__lead { color: #5e665f; font-size: 1.2rem; line-height: 1.55; max-width: 29rem; margin: 0 0 0.2rem; }
.hqess-why__item { display: block; padding-block: 2rem; }
.hqess-why__copy { border-top: 1px solid #cdd2cc; padding-block: 1.1rem; }
.hqess-why__copy h3 { margin: 0; font-size: inherit; }
.hqess-why__button { display: flex; align-items: baseline; gap: 1.5rem; width: 100%; border: 0; padding: 0; background: transparent; color: var(--hqess-graphite); font-family: inherit; font-size: clamp(1.65rem, 2.4vw, 2.2rem); font-weight: 600; line-height: 1.15; text-align: left; cursor: pointer; }
.hqess-why__button:disabled { opacity: 1; cursor: default; -webkit-text-fill-color: currentColor; }
.hqess-why__button:focus-visible { outline: 2px solid var(--hqess-green); outline-offset: 6px; }
.hqess-why__number { flex: 0 0 1.5rem; color: #747e75; font-size: 0.95rem; font-weight: 500; letter-spacing: 0.05em; }
.hqess-why__description { color: #59625c; font-size: 1.1rem; line-height: 1.5; margin: 0.8rem 0 0 3rem; max-width: 28rem; }
.hqess-why__media { margin: 0; min-width: 0; }
.hqess-why__media picture { display: block; aspect-ratio: 16 / 10; overflow: hidden; border-radius: 20px; background: #e8ece6; }
.hqess-why__media img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hqess-why__media figcaption { display: flex; align-items: baseline; gap: 1rem; margin-top: 0.8rem; color: #6c766e; font-size: 0.75rem; letter-spacing: 0.09em; line-height: 1.5; }
.hqess-why__media figcaption > span:first-child { color: var(--hqess-green); }

@media (min-width: 1101px) {
  .hqess-why.is-interactive .hqess-why__workspace { display: grid; grid-template-columns: minmax(0, 0.4fr) minmax(0, 0.6fr); grid-template-rows: repeat(5, auto); column-gap: clamp(2.5rem, 4vw, 4rem); }
  .hqess-why.is-interactive .hqess-why__item { display: contents; }
  .hqess-why.is-interactive .hqess-why__copy { grid-column: 1; grid-row: var(--capability-row); display: flex; flex-direction: column; justify-content: center; padding-block: 1rem; }
  .hqess-why.is-interactive .hqess-why__item:last-child .hqess-why__copy { border-bottom: 1px solid #cdd2cc; }
  .hqess-why.is-interactive .hqess-why__button { color: #767f77; }
  .hqess-why.is-interactive .hqess-why__label { position: relative; padding-bottom: 0.35rem; }
  .hqess-why.is-interactive .hqess-why__label::after { content: ''; position: absolute; inset: auto 0 0; height: 2px; background: var(--hqess-energy-gradient); transform: scaleX(0); transform-origin: left; transition: transform 500ms cubic-bezier(0.22, 1, 0.36, 1); }
  .hqess-why.is-interactive .hqess-why__item.is-active .hqess-why__label { color: var(--hqess-green); }
  .hqess-why.is-interactive .hqess-why__item.is-active .hqess-why__label::after { transform: scaleX(1); }
  .hqess-why.is-interactive .hqess-why__description { display: none; }
  .hqess-why.is-interactive .hqess-why__item.is-active .hqess-why__description { display: block; }
  .hqess-why.is-interactive .hqess-why__item.is-active .hqess-why__button { color: var(--hqess-graphite); }
  .hqess-why.is-interactive .hqess-why__item.is-active .hqess-why__number { color: var(--hqess-green); }
  .hqess-why.is-interactive .hqess-why__item.is-active .hqess-why__copy { border-top-color: #7c9180; }
  .hqess-why.is-interactive .hqess-why__media { grid-column: 2; grid-row: 1 / 6; align-self: start; opacity: 0; visibility: hidden; transform: translateY(14px); pointer-events: none; z-index: 0; transition: opacity 320ms ease, transform 320ms ease, visibility 0s linear 320ms; }
  .hqess-why.is-interactive .hqess-why__item.is-active .hqess-why__media { opacity: 1; visibility: visible; transform: translateY(0); z-index: 1; transition-delay: 0s; }
}

@supports (background-clip: text) or (-webkit-background-clip: text) {
  .hqess-why.is-interactive .hqess-why__item.is-active .hqess-why__label { background: var(--hqess-energy-gradient); background-clip: text; -webkit-background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
}

:root:lang(zh) .hqess-why__header h2 { font-size: clamp(2rem, 2.8vw, 2.8rem); line-height: 1.25; }
:root:lang(zh) .hqess-why__lead { font-size: 1rem; line-height: 1.8; }
:root:lang(zh) .hqess-why__button { font-size: clamp(1.4rem, 1.7vw, 1.65rem); line-height: 1.3; }
:root:lang(zh) .hqess-why__description { font-size: 0.95rem; line-height: 1.7; }
:root:lang(zh) .hqess-why__media figcaption { font-size: 0.75rem; letter-spacing: 0.03em; }

@media (max-width: 1100px) {
  .hqess-why__header { grid-template-columns: 1fr; gap: 1.5rem; margin-bottom: 1.5rem; }
  .hqess-why__header h2 { font-size: clamp(2.6rem, 5.8vw, 4rem); }
  .hqess-why__lead { max-width: 40rem; }
  .hqess-why__item { padding-block: 1.5rem; }
  .hqess-why__copy { padding-bottom: 1.5rem; }
  .hqess-why__description { max-width: 38rem; }
  .hqess-why__number { color: var(--hqess-green); }
}
@media (max-width: 600px) {
  .hqess-why { padding-block: 3.5rem; }
  .hqess-why__header h2 { font-size: clamp(2.2rem, 9vw, 3rem); }
  .hqess-why__lead { font-size: 1.1rem; }
  .hqess-why__button { gap: 1rem; font-size: 1.8rem; }
  .hqess-why__description { margin-left: 0; font-size: 1.1rem; }
  .hqess-why__media picture { border-radius: 16px; }
  :root:lang(zh) .hqess-why__header h2 { font-size: clamp(1.4rem, 5.5vw, 2rem); }
}
@media (prefers-reduced-motion: reduce) {
  .hqess-why .hqess-why__media { transition: none !important; transform: none !important; }
  .hqess-why .hqess-why__label::after { transition: none !important; }
}