/* Editorial photography, clear navigation and soft transitions lead into contact. */
body[data-page="home"] { --paper: #edf6fb; }
body[data-page="home"] #main { scroll-margin-top: var(--header); }
body[data-page="home"] section[id] { scroll-margin-top: 106px; }
.home-chapters { display: flex; justify-content: space-between; align-items: center; min-height: 89px; border-bottom: 1px solid var(--line); gap: 25px; }
.home-chapters>span { font-size: 11px; font-weight: 600; margin-right: auto; }
.home-chapters>span b { margin-left: 25px; font-size: 17px; font-weight: 400; }
.home-chapters a { display: flex; gap: 15px; font-size: 11px; padding: 15px 0 15px 38px; border-left: 1px solid var(--line); }
.home-chapters small { font-size: 9px; color: var(--accent); }
.home-chapters a:hover { color: var(--accent); }
.composition-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 45px; margin-bottom: 45px; }
.composition-heading .eyebrow { color: var(--accent); font-size: 10px; letter-spacing: 1.5px; }
.composition-heading h2 { font-size: clamp(34px,3.2vw,46px); letter-spacing: -1.5px; font-weight: 750; line-height: 1.4; margin-top: 20px; }
.composition-heading>p { font-size: 13px; line-height: 2; padding-bottom: 6px; }
.equipment-studio { padding: 80px 0 87px; background: white; }
.equipment-panels { min-width: 0; }
.studio-caption { display: flex; justify-content: space-between; align-items: center; gap: 38px; padding: 24px 0 0; min-height: 152px; }
.studio-caption .eyebrow { font-size: 9px; color: #828b8d; }
.studio-caption h3 { font-size: 24px; font-weight: 600; margin-top: 8px; line-height: 1.5; letter-spacing: -.5px; }
.studio-caption p { font-size: 12px; line-height: 1.95; margin-top: 11px; max-width: 530px; }
.studio-detail { display: flex; flex-direction: column-reverse; align-items: center; flex-shrink: 0; gap: 13px; font-size: 9px; }
.studio-detail b { display: grid; place-items: center; font-size: 27px; font-weight: 400; width: 53px; height: 53px; border-radius: 50%; border: 1px solid #cbd1d1; transition: background .2s,color .2s; }
.studio-detail:hover b { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Equipment breakpoints. */
@media(max-width:1100px) {
  .studio-caption h3 { font-size: 21px; }
  .studio-caption { gap: 22px; }
  .home-chapters a { padding-left: 25px; }
}
@media(max-width:850px) and (min-width:721px) {
  .composition-heading h2 { font-size: 32px; }
  .composition-heading>p { font-size: 11px; }
  .home-chapters { gap: 18px; }
  .home-chapters>span { font-size: 10px; }
  .home-chapters>span b { margin-left: 10px; }
  .home-chapters a { padding-left: 18px; font-size: 10px; gap: 9px; }
  .studio-caption h3 { font-size: 19px; }
  .studio-caption p { font-size: 11px; }
}
@media(max-width:720px) {
  body[data-page="home"] section[id] { scroll-margin-top: 90px; }
  .home-chapters { min-height: 71px; gap: 12px; overflow: auto; scrollbar-width: none; }
  .home-chapters>span { display: none; }
  .home-chapters a { font-size: 9px; padding: 9px 0 9px 10px; gap: 7px; white-space: nowrap; }
  .home-chapters a:first-of-type { border: 0; padding-left: 0; }
  .home-chapters small { font-size: 7px; }
  .composition-heading { display: block; margin-bottom: 28px; }
  .composition-heading .eyebrow { font-size: 8px; letter-spacing: .8px; }
  .composition-heading h2 { font-size: 29px; letter-spacing: -1px; margin-top: 17px; line-height: 1.45; }
  .composition-heading>p { font-size: 11px; line-height: 1.9; margin-top: 17px; }
  .equipment-studio { padding: 47px 0 53px; }
  .studio-caption { padding-top: 22px; align-items: flex-start; gap: 20px; min-height: 160px; }
  .studio-caption .eyebrow { font-size: 8px; }
  .studio-caption h3 { font-size: 20px; margin-top: 9px; line-height: 1.5; }
  .studio-caption p { font-size: 11px; line-height: 1.9; }
  .studio-detail { font-size: 8px; gap: 10px; margin-top: 9px; }
  .studio-detail b { width: 38px; height: 38px; font-size: 22px; }
}
@media(max-width:380px) {
  .composition-heading h2 { font-size: 27px; }
}

/* Bright landscape and the original application photograph share one composition. */
.water-application { position: relative; height: 650px; background: white; isolation: isolate; }
.water-application::before { content: ''; position: absolute; inset: -6px 0 0; z-index: -1; pointer-events: none; background: linear-gradient(180deg,#76badb66,transparent 30%); mask: url('assets/photo-water-scene.webp') center/100% 100% no-repeat; }
.application-word { position: absolute; z-index: -2; top: 10px; right: max(5%,calc((100% - 1240px)/2)); font-size: clamp(68px,9vw,138px); font-weight: 900; line-height: 1; letter-spacing: -.06em; color: #d2e8f2; }
.application-landscape { position: absolute; inset: 0; z-index: -1; mask: url('assets/photo-water-scene.webp') center/100% 100% no-repeat; }
.application-landscape img { height: 100%; width: 100%; object-fit: cover; object-position: center 65%; }
.application-composition { height: 100%; position: relative; }
.application-copy { position: absolute; left: 4%; top: 27%; }
.application-copy .eyebrow { font-size: 9px; color: #427c98; letter-spacing: 1.5px; }
.application-copy h2 { font-size: clamp(34px,3.6vw,51px); color: #123f58; font-weight: 750; line-height: 1.4; margin-top: 20px; letter-spacing: -1.8px; }
.application-copy p { font-size: 13px; color: #4b758c; margin-top: 18px; line-height: 2; }
.paint-outline { display: inline-flex; align-items: center; justify-content: center; gap: 25px; min-height: 39px; padding: 8px 25px; border: 1px solid currentColor; border-radius: 40px; font-size: 11px; color: #087faf; transition: background .2s, color .2s; }
.paint-outline>span { font-size: 17px; line-height: 1; }
.paint-outline:hover { background: #076e9c; border-color: #076e9c; color: #fff; }
.application-copy .paint-outline { color: #176b91; margin-top: 26px; }
.application-copy .paint-outline:hover { color: white; }
.application-device { position: absolute; left: 60%; bottom: 50px; width: 278px; margin: 0; transform: rotate(8deg); }
.application-device img { width: 100%; border-radius: 6%; box-shadow: 18px 28px 35px #153f6533; }
.application-device figcaption { margin-top: 22px; text-align: center; color: #426f88; font-size: 11px; letter-spacing: 1px; transform: rotate(-8deg); }
.application-device figcaption span { display: block; font-size: 8px; color: #62889a; margin-top: 4px; letter-spacing: .5px; }
.application-credit { position: absolute; bottom: 19px; left: 4%; color: #507a90; font-size: 7px; letter-spacing: .5px; }

/* Restrained editorial navigation lets the photography carry the water theme. */
.proof-chapter { --story-teal: #087eac; --story-paper: #eef5f9; background: var(--story-paper); padding: 72px 0 70px; position: relative; }
.proof-container { max-width: 1040px; }
.proof-intro { margin-bottom: 28px; }
.proof-intro .eyebrow { color: #6c90a5; font-size: 9px; letter-spacing: 1.7px; }
.proof-intro h2 { margin-top: 14px; font-size: 32px; color: var(--story-teal); font-weight: 700; letter-spacing: -.8px; }
.proof-intro p { margin-top: 14px; font-size: 12px; color: #628297; }
.proof-stage { display: grid; grid-template-columns: 250px minmax(0,1fr); gap: 65px; align-items: start; }
.proof-selector { display: flex; flex-direction: column; gap: 0; padding-top: 0; border-top: 1px solid #d0e0e9; }
.proof-selector button { position: relative; width: 100%; min-height: 104px; padding: 22px 24px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; text-align: left; color: #617e90; border-bottom: 1px solid #d0e0e9; transition: background .2s,color .2s; }
.proof-selector button::before { content: ''; position: absolute; top: 21px; bottom: 21px; left: 0; width: 2px; background: var(--accent); opacity: 0; transition: opacity .2s; }
.proof-selector button[aria-selected="true"] { color: #103c53; background: #ffffff91; }
.proof-selector button[aria-selected="true"]::before { opacity: 1; }
.proof-selector button:hover { color: var(--accent); background: #ffffff60; }
.proof-index { font-size: 8px; letter-spacing: 1px; opacity: .85; }
.proof-selector strong { font-family: "Microsoft YaHei", "PingFang SC", sans-serif; font-size: 22px; line-height: 1.25; font-weight: 600; margin-top: 10px; }
.proof-tab-arrow { position: absolute; right: 25px; bottom: 34px; font-size: 19px; opacity: 0; }
.proof-selector [aria-selected="true"] .proof-tab-arrow { opacity: 1; }
.proof-panels { min-width: 0; }
.proof-photo { aspect-ratio: 1.72; position: relative; overflow: hidden; background: #d9ecf5; mask: url('assets/photo-water-rim.webp') center/100% 100% no-repeat; }
.proof-photo img { height: 100%; width: 100%; object-fit: cover; object-position: center 28%; }
.proof-story-0 .proof-photo img { object-position: center top; }
.proof-story-1 .proof-photo img { object-fit: contain; padding: 33px 35px; background: #f5f4ef; }
.proof-story-2 .proof-photo img { object-fit: contain; padding: 65px 100px; background: #f8f8f4; }
.proof-story-3 .proof-photo img { object-position: center 30%; }
.proof-story-content { text-align: center; padding: 10px 24px 0; min-height: 258px; }
.proof-story-content .eyebrow { color: #7995a7; font-size: 8px; letter-spacing: 1.5px; }
.proof-story-content h3 { color: var(--story-teal); font-size: 26px; font-weight: 650; letter-spacing: -.6px; margin-top: 10px; font-family: "Microsoft YaHei", "PingFang SC", sans-serif; }
.proof-story-content p { max-width: 450px; margin: 12px auto 0; font-size: 12px; color: #5e7e93; line-height: 1.95; }
.proof-fact { display: flex; justify-content: center; align-items: center; gap: 22px; margin: 18px 0 22px; }
.proof-fact>span { font-size: 9px; color: #6a8b9e; line-height: 1.8; text-align: left; }
.proof-fact>strong { color: #a87932; font-size: 34px; font-weight: 500; line-height: 1; }
.proof-fact small { font-size: 11px; margin-left: 4px; }
.proof-fact strong>span { font-size: 18px; margin: 0 13px; color: #b3cbd8; }

@media(max-width:1100px) {
  .water-application { height: 610px; }
  .application-copy { left: 2%; top: 28%; }
  .application-device { left: 61%; width: 245px; bottom: 60px; }
  .proof-stage { grid-template-columns: 215px minmax(0,1fr); gap: 40px; }
  .proof-selector button { min-height: 92px; }
  .proof-story-content { padding: 8px 12px 0; }
}
@media(max-width:850px) and (min-width:721px) {
  .water-application { height: 550px; }
  .application-copy { left: 0; top: 25%; }
  .application-copy h2 { font-size: 35px; }
  .application-copy p { font-size: 11px; }
  .application-device { width: 214px; left: 62%; bottom: 55px; }
  .application-credit { left: 0; }
  .proof-stage { grid-template-columns: 190px minmax(0,1fr); gap: 25px; }
  .proof-selector { gap: 0; }
  .proof-selector button { min-height: 89px; }
  .proof-selector strong { font-size: 21px; }
  .proof-selector .proof-index { font-size: 7px; }
  .proof-story-content h3 { font-size: 25px; }
  .proof-story-content p { font-size: 11px; }
  .proof-story-2 .proof-photo img { padding: 55px 70px; }
}
@media(max-width:720px) {
  .equipment-studio { padding-bottom: 75px; }
  .water-application { height: 680px; }
  .application-word { top: -27px; font-size: clamp(39px,10.7vw,75px); right: 6%; }
  .application-landscape,.water-application::before { mask-size: 160% 100%; mask-position: 70% top; }
  .application-landscape img { object-position: 48% bottom; }
  .application-copy { left: 0; top: 110px; width: 100%; z-index: 1; }
  .application-copy .eyebrow { font-size: 8px; letter-spacing: 1px; }
  .application-copy h2 { font-size: 33px; line-height: 1.32; margin-top: 15px; }
  .application-copy p { font-size: 11px; margin-top: 16px; line-height: 1.9; }
  .application-copy .paint-outline { margin-top: 21px; font-size: 10px; padding: 7px 19px; min-height: 35px; gap: 15px; }
  .application-device { width: 173px; left: auto; right: 8%; bottom: 42px; transform: rotate(9deg); }
  .application-device figcaption { font-size: 9px; margin-top: 12px; }
  .application-device figcaption span { font-size: 6px; }
  .application-credit { font-size: 6px; left: 0; bottom: 12px; letter-spacing: 0; }
  .proof-chapter { padding: 40px 0 45px; }
  .proof-intro { margin-bottom: 20px; }
  .proof-intro .eyebrow { font-size: 8px; letter-spacing: 1px; }
  .proof-intro h2 { font-size: 25px; line-height: 1.4; margin-top: 13px; letter-spacing: -1px; }
  .proof-intro p { font-size: 10px; line-height: 1.9; margin-top: 12px; }
  .proof-stage { grid-template-columns: 1fr; gap: 16px; }
  .proof-selector { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; padding-top: 0; border: 0; }
  .proof-selector button { min-height: 80px; padding: 15px 16px; border: 1px solid #d0e0e9; }
  .proof-selector button::before { top: 15px; bottom: 15px; }
  .proof-selector strong { font-size: 20px; margin-top: 8px; }
  .proof-index { font-size: 6px; letter-spacing: .6px; }
  .proof-tab-arrow { display: none; }
  .proof-photo { height: auto; aspect-ratio: 1.5; margin: 5px 0 0; }
  .proof-story-1 .proof-photo img { padding: 23px 25px; }
  .proof-story-2 .proof-photo img { padding: 40px 65px; }
  .proof-story-content { min-height: 248px; padding: 5px 5px 0; }
  .proof-story-content .eyebrow { font-size: 7px; }
  .proof-story-content h3 { font-size: 27px; margin-top: 9px; }
  .proof-story-content p { font-size: 11px; margin-top: 11px; }
  .proof-fact { margin: 16px 0 20px; gap: 20px; }
  .proof-fact>strong { font-size: 32px; }
  .proof-fact>span { font-size: 8px; }
  .proof-story-content .paint-outline { font-size: 10px; min-height: 35px; padding: 6px 21px; }
}

/* A quiet divider closes the homepage without decorative shapes. */
body[data-page="home"] .light-footer { padding-top: 25px; border-top: 1px solid #dce9f0; }
@media(max-width:720px) {
  body[data-page="home"] .light-footer { padding-top: 10px; }
}

/* Photograph captions and source labels. */
.proof-story-1 .proof-photo img,.proof-story-2 .proof-photo img { object-fit: cover; padding: 0; background: none; object-position: center; }
.proof-story-3 .proof-photo img { object-position: center; }
.proof-visual-credit { display: block; color: #7696a9; font-size: 7px; letter-spacing: .4px; line-height: 1.7; margin-bottom: 8px; }
@media(max-width:720px) {
  .proof-visual-credit { font-size: 6px; margin-bottom: 6px; }
}

/* Equipment is read as two equal product families above a spacious campaign image. */
.equipment-stage { display: block; }
.equipment-selector { display: flex; align-items: stretch; gap: 32px; padding: 0; border-bottom: 1px solid #dceaf1; margin-bottom: 24px; }
.equipment-selector button { display: grid; grid-template-columns: 83px 1fr 18px; gap: 16px; position: relative; align-items: center; min-height: 106px; padding: 8px 12px 18px 0; border-bottom: 3px solid transparent; text-align: left; color: #68899b; }
.equipment-selector button[aria-selected="true"] { color: #103c53; border-bottom-color: var(--accent); }
.equipment-selector button:hover { color: var(--accent); }
.equipment-selector img { width: 83px; height: 60px; object-fit: cover; border-radius: 2px; background: #eff8fc; }
.selector-copy { display: flex; flex-direction: column; gap: 6px; }
.selector-copy small { font-size: 9px; color: #7294a7; }
.selector-copy strong { font-size: 17px; font-weight: 600; line-height: 1.5; white-space: nowrap; }
.selector-arrow { font-size: 20px; color: #98b8c8; }
.equipment-selector [aria-selected="true"] .selector-arrow { color: var(--accent); }
.selector-number { display: none; }
.studio-all { margin: 0 0 13px auto; align-self: center; flex-shrink: 0; font-size: 11px; gap: 22px; color: #456f88; }
.studio-product { position: relative; aspect-ratio: 2.05; overflow: hidden; background: #eef7fc; }
.studio-product>img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 57%; }
.studio-image-note { position: absolute; left: 26px; bottom: 18px; color: #7293a6; font-size: 8px; letter-spacing: .4px; }
.studio-caption { padding-top: 29px; min-height: 139px; gap: 35px; }
.studio-caption>div { display: grid; grid-template-columns: 1fr 1fr; align-items: center; column-gap: 60px; flex: 1; }
.studio-caption .eyebrow { grid-column: 1; }
.studio-caption h3 { grid-column: 1; font-size: 26px; margin-top: 9px; }
.studio-caption p { grid-column: 2; grid-row: 1 / 3; margin: 0; font-size: 13px; }
.studio-detail { margin-left: 20px; }
@media(max-width:1100px) {
  .equipment-selector { gap: 22px; }
  .equipment-selector button { grid-template-columns: 69px 1fr 15px; gap: 12px; }
  .equipment-selector img { width: 69px; height: 53px; }
  .selector-copy strong { font-size: 15px; }
  .studio-caption>div { column-gap: 35px; }
  .studio-caption h3 { font-size: 23px; }
  .studio-caption p { font-size: 12px; }
}
@media(max-width:850px) and (min-width:721px) {
  .equipment-selector { gap: 20px; flex-wrap: wrap; }
  .studio-all { font-size: 10px; gap: 15px; }
  .equipment-selector button { grid-template-columns: 58px 1fr; gap: 10px; min-height: 93px; }
  .equipment-selector img { width: 58px; height: 48px; }
  .selector-arrow { display: none; }
  .selector-copy strong { font-size: 14px; }
  .studio-caption>div { column-gap: 25px; }
  .studio-caption h3 { font-size: 21px; }
  .studio-caption p { font-size: 11px; }
}
@media(max-width:720px) {
  .equipment-selector { display: grid; grid-template-columns: 1fr 1fr; gap: 9px 17px; margin-bottom: 17px; border-bottom: 0; }
  .equipment-selector button { display: flex; flex-direction: column; gap: 9px; align-items: flex-start; min-height: 0; padding: 0 0 11px; }
  .equipment-selector img { width: 100%; height: 76px; object-fit: cover; }
  .selector-copy { gap: 4px; }
  .selector-copy small { font-size: 8px; }
  .selector-copy strong { font-size: 13px; }
  .selector-arrow { display: none; }
  .studio-all { grid-column: 1 / -1; justify-self: end; margin: 0; font-size: 10px; gap: 15px; }
  .studio-product { aspect-ratio: 1.5; margin-inline: -8px; }
  .studio-product>img { object-position: 50% center; }
  .studio-image-note { left: 14px; bottom: 10px; font-size: 6px; }
  .studio-caption { padding-top: 23px; align-items: flex-start; gap: 20px; }
  .studio-caption>div { display: block; }
  .studio-caption h3 { font-size: 21px; margin-top: 9px; }
  .studio-caption p { font-size: 11px; margin-top: 13px; line-height: 1.9; }
  .studio-detail { margin-left: 0; margin-top: 15px; }
}