* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #f9f9f9; color: #323232; font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; -webkit-font-smoothing: antialiased; }
button { font: inherit; cursor: pointer; }
button:focus-visible,a:focus-visible { outline: 3px solid #696969; outline-offset: 4px; }
#marketing-page { width: 100%; min-width: 0; overflow: clip; }
.site-nav { display: flex; justify-content: space-between; align-items: center; margin: 0 auto; max-width: 1260px; padding: 32px 58px; gap: 20px; }
a { color: inherit; text-decoration: none; }
.wordmark { font-size: 29px; font-weight: 650; letter-spacing: -1.5px; }
.wordmark span { font-size: 11px; letter-spacing: 1px; font-weight: 400; margin-left: 8px; color: #888888; }
.site-nav > div { display: flex; align-items: center; gap: 28px; font-size: 12px; }
.site-nav button { background: transparent; border: 0; padding: 11px 15px; border-radius: 9px; color: #4d4d4d; font-size: 12px; }
.site-nav button span { margin-left: 12px; }
.hero { padding: 76px 64px 92px; max-width: 1000px; margin: auto; }
.eyebrow { font-size: 10px; font-weight: 600; letter-spacing: 2px; color: #727272; margin: 0 0 28px; }
h1 { font-size: clamp(40px,5.6vw,76px); font-weight: 500; line-height: 1.08; letter-spacing: -3px; margin: 0 0 25px; }
h1 span { color: #8c8c8c; }
.hero-description { font-size: 17px; color: #7d7d7d; line-height: 1.7; max-width: 480px; margin: 0; }
.hero-actions { display: flex; gap: 25px; align-items: center; margin-top: 30px; flex-wrap: wrap; }
.hero-actions a { font-size: 12px; color: #7d7d7d; }
.primary { border: 0; border-radius: 11px; padding: 16px 20px; background: #535353; color: #ffffff; font-size: 12px; box-shadow: 0 3px 6px #4f4f4f14; }
.primary span { margin-left: 27px; }
.preview-note { font-size: 10px; color: #999999; line-height: 1.7; margin-top: 23px; }
.concept { margin-top: 63px; border: 0; background: #ffffffcc; padding: 26px 30px 8px; border-radius: 21px; max-width: 580px; box-shadow: 0 10px 45px #3a3a3a03; }
.concept-top { display: flex; align-items: center; gap: 9px; margin-bottom: 24px; font-size: 8px; font-weight: 500; letter-spacing: 1.5px; color: #9d9d9d; }
.dot { width: 5px; height: 5px; border-radius: 50%; background: #909090; }
.small-mark { font-size: 19px; margin-left: auto; letter-spacing: -2px; color: #686868; }
.concept-row { display: flex; gap: 17px; margin: 0 0 22px; }
.number { font-size: 9px; padding-top: 5px; color: #a0a0a0; }
.concept-row strong { font-size: 12px; font-weight: 600; color: #555555; }
.concept-row p { font-size: 10px; line-height: 1.6; color: #9a9a9a; margin: 5px 0 0; }
.detail-section { background: #f3f3f3; padding: 88px 64px; }
.detail-section > * { max-width: 770px; margin-left: auto; margin-right: auto; }
.detail-section h2 { font-size: 36px; line-height: 1.2; font-weight: 500; letter-spacing: -1px; }
.detail-section > p:not(.eyebrow) { line-height: 1.8; font-size: 15px; color: #7f7f7f; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; margin-top: 45px; }
.detail-grid span { color: #909090; font-size: 9px; letter-spacing: 1.6px; }
.detail-grid h3 { font-size: 20px; font-weight: 500; }
.detail-grid p { color: #8b8b8b; font-size: 13px; line-height: 1.8; }
footer { display: flex; justify-content: space-between; padding: 40px 58px; gap: 20px; color: #959595; font-size: 10px; }
@media(max-width:700px) { .site-nav { padding: 23px; } .site-nav a:not(.wordmark) { display: none; } .hero { padding: 54px 26px; } h1 { letter-spacing: -2px; } .hero-description { font-size: 16px; } .concept { padding: 23px 20px 6px; } .detail-section { padding: 64px 26px; } .detail-grid { grid-template-columns: 1fr; gap: 22px; } footer { padding: 28px; flex-wrap: wrap; } }
@media(prefers-reduced-motion:reduce) { html { scroll-behavior: auto; } }

/* WATER_UI_20261020_GREYSCALE */
.wordmark { display: inline-flex; align-items: center; flex-shrink: 0; }
.wordmark img { display: block; width: 160px; height: auto; filter: grayscale(1) contrast(1.15); }
.site-nav button { background: #eaeaea; color: #333; }
.site-nav button:hover { background: #dedede; }
.primary { background: #292929; box-shadow: none; }
.primary:hover { background: #414141; }
.concept { background: #fff; box-shadow: none; }