.sustainability-page { --red: #179ecc; --red-deep: #006c92; }
.eco-banner { position: relative; isolation: isolate; overflow: hidden; min-height: 580px; display: flex; align-items: center; background: #0b3347; color: #fff; }
.eco-banner-image { position: absolute; z-index: -2; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 66%; }
.eco-banner::before { content: ''; position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, #052334dc 0%, #0523348a 44%, #05233424 78%), linear-gradient(0deg, #03202c88, transparent 70%); }
.eco-banner-copy { width: 100%; padding-top: 56px; padding-bottom: 44px; }
.eco-banner h1, .eco-banner h2 { color: #fff; font-size: clamp(36px, 4.3vw, 68px); line-height: 1.15; margin-bottom: 22px; }
.eco-banner p { max-width: 670px; font-size: 18px; line-height: 1.8; color: #eff9ff; }
.eco-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; margin-top: 28px; }
.eco-button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 12px 22px; border: 1px solid #006c92; background: #006c92; color: #fff; font-size: 16px; font-weight: 700; }
.eco-button:hover { background: #045572; color: #fff; }
.eco-button-light { background: #fff; border-color: #fff; color: #07536c; }
.eco-button-light:hover { background: #e7f7fc; color: #07536c; }
.eco-photo-credit { display: block; margin-top: 30px; color: #e1edf4; font-size: 13px; }
.eco-page { background: #fff; padding-bottom: 64px; }
.eco-content { max-width: 1160px; }
.eco-eyebrow { font-size: .875rem; font-weight: 700; color: #006c92; letter-spacing: .1em; margin-bottom: 12px; }
.eco-banner .eco-eyebrow { font-size: .875rem; color: #d6f4ff; }
.eco-global-hero { min-height: 520px; }
.eco-local-nav { display: flex; flex-wrap: wrap; gap: 24px; padding: 22px 0; border-bottom: 1px solid #cddfe6; }
.eco-local-nav a { display: inline-flex; min-height: 44px; align-items: center; font-weight: 700; }
.eco-local-nav a[aria-current="page"] { color: #006c92; border-bottom: 2px solid #169dcc; }
.eco-intro, .eco-story { padding: 48px 0; border-bottom: 1px solid #dce6eb; }
.eco-page h2 { font-size: clamp(26px, 3vw, 36px); color: #123747; margin-bottom: 20px; text-transform: none; }
.eco-story > p:not(.eco-eyebrow), .eco-intro > p, .eco-next > p { max-width: 870px; line-height: 1.9; word-break: keep-all; }
.eco-source { font-size: .875rem; color: #627780; margin-top: 20px; }
.eco-text-link { display: inline-flex; align-items: center; min-height: 44px; border-bottom: 1px solid #72a8bd; color: #006c92; font-weight: 700; margin-top: 16px; }
.eco-actions .eco-text-link { margin-top: 0; }
.eco-video { width: min(100%, 860px); margin: 28px 0 0; aspect-ratio: 16 / 9; overflow: hidden; background: #062b3b; }
.eco-video iframe { display: block; width: 100%; height: 100%; border: 0; }
.eco-korea-hero { padding: 56px 0; background: #e9f5fa; color: #123747; border-bottom: 1px solid #c8e5ef; }
.eco-korea-hero h1 { font-size: clamp(36px, 4.5vw, 64px); line-height: 1.3; margin: 20px 0; }
.eco-korea-hero p:not(.eco-eyebrow) { max-width: 780px; line-height: 1.9; }
.eco-directions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.eco-direction { border-top: 3px solid #199bc3; padding-top: 20px; }
.eco-direction h3 { color: #133c4d; font-size: 20px; margin-bottom: 14px; }
.eco-direction p { line-height: 1.85; }
.eco-next { padding: 38px; margin-top: 42px; background: #e9f5fa; }
.eco-activity { margin: 28px 0; padding-left: 24px; border-left: 3px solid #169dcc; }
.eco-activity h3 { font-size: 22px; margin-bottom: 12px; }
.eco-haebom { padding-top: 14px; }
.eco-haebom-intro { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(28px, 5vw, 64px); align-items: center; }
.eco-haebom-portrait { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 70%; }
.eco-haebom-intro h3 { font-size: clamp(30px, 3.5vw, 46px); line-height: 1.35; color: #006c92; margin-bottom: 24px; word-break: keep-all; }
.eco-haebom-intro p:not(.eco-eyebrow) { font-size: 18px; line-height: 1.9; word-break: keep-all; }
.eco-haebom-prose { max-width: 760px; margin: 48px auto 36px; font-size: 18px; line-height: 1.95; word-break: keep-all; overflow-wrap: anywhere; }
.eco-haebom-chapter + .eco-haebom-chapter { margin-top: 38px; }
.eco-haebom-chapter h4 { font-size: 24px; line-height: 1.5; color: #07536c; margin-bottom: 16px; }
.eco-haebom-chapter p + p { margin-top: 20px; }
.eco-haebom blockquote { margin: 36px 0 20px; padding: 20px 26px; border-left: 3px solid #179ecc; background: #eff8fc; color: #07536c; }
.eco-haebom blockquote p { font-size: 28px; font-weight: 700; }
.eco-haebom blockquote footer { font-size: 14px; margin-top: 8px; }
.eco-haebom figcaption { font-size: 14px; color: #536b75; margin-top: 12px; line-height: 1.7; }
.eco-gallery { margin: 48px 0 36px; padding-top: 32px; border-top: 1px solid #cddfe6; }
.eco-gallery-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; }
.eco-gallery-heading h4 { font-size: clamp(26px, 3vw, 36px); color: #07536c; line-height: 1.4; }
.eco-gallery-count { flex-shrink: 0; font-size: 12px; color: #627780; letter-spacing: .12em; padding-bottom: 6px; }
.eco-gallery-intro { margin: 16px 0 28px; line-height: 1.8; color: #536b75; word-break: keep-all; }
.eco-photo-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 28px 18px; }
.eco-photo-card { margin: 0; min-width: 0; }
.eco-photo-card > a { position: relative; display: block; aspect-ratio: 3 / 4; overflow: hidden; background: #e9f5fa; border-radius: 3px; }
.eco-photo-card img { width: 100%; height: 100%; display: block; object-fit: cover; }
.eco-photo-expand { position: absolute; right: 12px; bottom: 12px; display: grid; place-items: center; width: 34px; height: 34px; background: #063b50e6; color: #fff; border: 1px solid #ffffff55; border-radius: 50%; font-size: 20px; }
.eco-photo-card > a:hover .eco-photo-expand { background: #006c92; }
.eco-photo-card > a:focus-visible { outline: 3px solid #006c92; outline-offset: 5px; }
.eco-haebom .eco-photo-card figcaption { font-size: 14px; margin-top: 10px; word-break: keep-all; }
html.eco-lightbox-open { overflow: hidden; }
.eco-lightbox { box-sizing: border-box; width: min(1180px,calc(100% - 48px)); height: min(960px,92vh); height: min(960px,92dvh); max-width: none; max-height: none; padding: 22px; margin: auto; border: 1px solid #ffffff33; border-radius: 8px; background: #08212c; color: #fff; overflow: hidden; }
.eco-lightbox[open] { display: grid; grid-template-rows: auto minmax(0,1fr) auto; gap: 16px; }
.eco-lightbox:not([open]) { display: none; }
.eco-lightbox::backdrop { background: #031018ed; }
.eco-lightbox-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.eco-lightbox .eco-lightbox-heading h2 { font-size: 18px; margin: 0; color: #fff; letter-spacing: .02em; }
.eco-lightbox button { display: inline-grid; place-items: center; flex-shrink: 0; width: 44px; height: 44px; padding: 0; border: 1px solid #8096a1; border-radius: 50%; background: transparent; color: #fff; font-size: 24px; cursor: pointer; line-height: 1; }
.eco-lightbox button:hover { background: #17546b; }
.eco-lightbox :focus-visible { outline: 2px solid #91dcf6; outline-offset: 4px; }
.eco-lightbox-media { position: relative; min-height: 0; min-width: 0; touch-action: pan-y pinch-zoom; }
.eco-lightbox-media img { display: block; width: 100%; height: 100%; object-fit: contain; }
.eco-lightbox-error { position: absolute; inset: 0; margin: auto; width: min(90%,380px); height: fit-content; padding: 20px; text-align: center; background: #08212c; line-height: 1.8; }
.eco-lightbox-footer { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 12px 20px; }
.eco-lightbox-description p { margin: 0 0 6px; font-size: 16px; word-break: keep-all; }
.eco-lightbox-description span { font-size: 13px; color: #afcbd8; font-variant-numeric: tabular-nums; }
.eco-lightbox-controls { display: flex; gap: 10px; }
.eco-lightbox-footer a { grid-column: 1 / -1; width: fit-content; display: inline-flex; align-items: center; min-height: 32px; color: #b7e7f7; font-size: 13px; text-decoration: underline; text-underline-offset: 4px; }
@media (max-width: 980px) {
  .eco-photo-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 540px) {
  .eco-gallery-count { display: none; }
  .eco-photo-grid { gap: 22px 12px; }
  .eco-photo-expand { width: 30px; height: 30px; right: 8px; bottom: 8px; }
  .eco-lightbox { width: calc(100% - 16px); height: 95vh; height: 95dvh; padding: 14px; }
  .eco-lightbox[open] { gap: 12px; }
  .eco-lightbox .eco-lightbox-heading h2 { font-size: 16px; }
  .eco-lightbox-description p { font-size: 14px; }
}
.eco-haebom-sources { margin-top: 28px; padding: 22px; border: 1px solid #cddfe6; }
.eco-haebom-sources summary { cursor: pointer; color: #006c92; font-weight: 700; min-height: 32px; }
.eco-haebom-sources summary:focus-visible { outline: 2px solid #006c92; outline-offset: 6px; }
.eco-source-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; margin-top: 24px; align-items: start; }
.eco-source-grid img { width: 100%; height: auto; }
@media (max-width: 760px) {
  .eco-haebom-intro, .eco-source-grid { grid-template-columns: 1fr; }
  .eco-haebom-portrait { max-width: 460px; }
  .eco-haebom-prose { font-size: 17px; }
  .eco-haebom-chapter h4 { font-size: 22px; }
}
@media (max-width: 760px) {
  .eco-banner { min-height: 640px; }
  .eco-banner-image { object-position: 62% 65%; }
  .eco-banner::before { background: linear-gradient(0deg, #052334ee, #05233477 75%); }
  .eco-directions { grid-template-columns: 1fr; }
  .eco-next { padding: 26px 20px; }
}