/* Native Thread V13 · local assets; no runtime dependencies. */
:root {
  --ink: #10141c;
  --body: #616875;
  --muted: #818995;
  --blue: #246bff;
  --blue-light: #3c95ff;
  --line: #e7ebf1;
  --surface: #f7faff;
  --green: #19b875;
  --shell: 1344px;
  --gutter: 48px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  color: var(--ink);
  background: #fff;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; min-width: 280px; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
img { max-width: 100%; height: auto; }
button { border: 0; }
h1, h2, h3, p, figure { margin: 0; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid #256dff; outline-offset: 5px; border-radius: 4px; }
::selection { background: #dbeaff; color: #10141c; }
.shell { width: min(calc(100% - var(--gutter) * 2), var(--shell)); margin-inline: auto; }
.shell > *, .product-grid > *, .detail-hero-grid > * { min-width: 0; }
.skip-link { position: fixed; top: 12px; left: 16px; padding: 12px 18px; z-index: 200; border-radius: 8px; color: #fff; background: #10141c; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 48px; padding: 0 27px; border-radius: 999px; color: #fff; background: linear-gradient(105deg, #1760ff, #398fff); box-shadow: 0 5px 13px #216cff0e; font-size: 14px; line-height: 1.4; font-weight: 550; letter-spacing: .035em; white-space: nowrap; transition: box-shadow .25s, transform .25s, background .25s; }
.button:hover { transform: translateY(-2px); box-shadow: 0 7px 22px #216cff26; }
.button:active { transform: translateY(0); }
.button-small { min-height: 42px; padding-inline: 31px; font-size: 13px; }
.button-secondary { background: #f3f6fa; color: #3f4a59; box-shadow: inset 0 0 0 1px #e4e9f0; }
.button-secondary:hover { background: #eaf0f8; box-shadow: inset 0 0 0 1px #d8e2ef; }
.button-green { background: linear-gradient(110deg, #0daa69, #25c889); box-shadow: none; }
.button-green:hover { box-shadow: 0 7px 22px #19b87526; }
.arrow-icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 auto; transition: transform .25s; }
.text-link { display: inline-flex; align-items: center; gap: 13px; min-height: 28px; width: fit-content; padding: 0; color: var(--blue); background: transparent; font-size: 15px; font-weight: 550; line-height: 1.6; }
.text-link:hover .arrow-icon, .button:hover .arrow-icon { transform: translateX(3px); }
.section-kicker { font-size: 10px; font-weight: 550; letter-spacing: .31em; line-height: 1.7; color: #7d8592; }
/* Header */
.site-header { position: fixed; inset: 0 0 auto; z-index: 50; border-bottom: 1px solid transparent; transition: background .25s, box-shadow .25s, border-color .25s; }
.site-header.is-scrolled, .site-header.menu-is-open { background: #fffffff0; border-color: #e9edf4b3; box-shadow: 0 4px 22px #26406c04;  }
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 13px; flex-shrink: 0; }
.brand-logo { width: 40px; height: 30px; object-fit: contain; }
.brand-wordmark { display: flex; flex-direction: column; gap: 3px; }
.brand-wordmark strong { font-size: 15px; font-weight: 750; line-height: 1.15; letter-spacing: .015em; }
.brand-wordmark > span { font-size: 10px; letter-spacing: .3em; line-height: 1.4; }
.desktop-nav { display: flex; align-items: center; gap: 52px; }
.nav-link { position: relative; display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; color: #303641; }
.nav-link::after { content: ""; position: absolute; bottom: 3px; left: 0; right: 0; height: 2px; border-radius: 3px; background: var(--blue); transform: scaleX(0); transition: transform .25s; }
.nav-link:hover::after, .nav-link.is-active::after { transform: scaleX(1); }
.menu-button { display: none; flex: 0 0 44px; width: 44px; height: 44px; padding: 13px 10px; border-radius: 50%; background: transparent; }
.menu-button span { display: block; width: 22px; height: 1.5px; margin: 5px auto; border-radius: 2px; background: #242c39; transition: transform .25s; }
.menu-button[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:last-child { transform: translateY(-3.25px) rotate(-45deg); }
.mobile-menu { border-top: 1px solid var(--line); background: #fffffff8; box-shadow: 0 18px 20px #24396108; }
.mobile-menu-inner { padding: 14px 0 26px; }
.mobile-menu a { display: flex; justify-content: space-between; padding: 15px 2px; color: #3d4653; font-size: 15px; }
.mobile-menu a span { color: #798695; }
.mobile-menu .button { margin-top: 12px; width: 100%; }
/* Product overview */
.products-section { padding-top: 27px; }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 32px; margin-bottom: 16px; }
.section-heading h2 { font-size: 38px; line-height: 1.35; font-weight: 720; letter-spacing: -.035em; margin-top: 5px; }
.section-description { margin-top: 4px; font-size: 15px; line-height: 1.8; color: #69717e; }
.section-side-note { position: relative; padding-left: 82px; color: #8a939f; font-size: 8px; line-height: 2; letter-spacing: .28em; }
.section-side-note span { position: absolute; left: 0; top: 8px; height: 1px; width: 58px; background: #c8d0da; }
.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.product-card { position: relative; height: 264px; padding: 26px; border: 1px solid #e5ebf3; border-radius: 16px; overflow: hidden; background: linear-gradient(119deg, #fff 28%, #fbfdff 75%, #f8fbff); isolation: isolate; box-shadow: 0 2px 4px #365e8602; transition: transform .28s var(--ease), border-color .28s; }
@media (hover: hover) and (pointer: fine) {
.product-card:hover { transform: translateY(-4px); border-color: #d1def0;  }
}
.product-copy { position: relative; z-index: 2; width: 275px; max-width: 100%; }
.product-title-row { display: flex; align-items: center; gap: 15px; }
.product-icon { width: 56px; height: 56px; object-fit: cover; border-radius: 15px; flex: 0 0 auto; }
.product-title-row h3 { font-size: 23px; font-weight: 700; line-height: 1.4; letter-spacing: -.01em; }
.product-title-row p { margin-top: 2px; color: #717884; font-size: 14px; line-height: 1.6; white-space: nowrap; }
.product-description { margin-top: 17px; font-size: 14px; line-height: 1.72; color: #666e7b; }
.product-card .text-link { margin-top: 21px; font-size: 14px; }
/* Lightweight HTML/CSS mockups: only the NDT phone uses an actual screenshot. */
.device-scene { position: absolute; width: 366px; height: 264px; right: -6px; bottom: 0; transform-origin: right bottom; pointer-events: none; user-select: none; }
.scene-orbit { position: absolute; width: 340px; height: 136px; left: 18px; bottom: -16px; border-radius: 50%; transform: rotate(-8deg); background: linear-gradient(145deg, #eaf3ff, #e5effb7a); }
.desktop-device { position: absolute; top: 18px; left: 7px; width: 287px; height: 198px; padding: 5px; border-radius: 10px; background: linear-gradient(140deg, #111419, #2d3035 64%, #919aa4); box-shadow: 0 12px 16px #20365123, inset 0 0 0 1px #7a8087; transform: rotate(-.8deg); }
.desktop-screen { width: 100%; height: 100%; border-radius: 5px; overflow: hidden; background: #f9fbfe; border: 1px solid #161a20; }
.desktop-foot { position: absolute; bottom: -3px; left: -5px; right: -5px; height: 4px; border-radius: 1px 1px 5px 5px; background: linear-gradient(#c8d0d7, #87909a); box-shadow: 0 2px 3px #33465a17; }
.mini-topbar { display: flex; align-items: center; height: 21px; padding: 0 6px; gap: 8px; border-bottom: 1px solid #edf0f5; background: #fff; font-size: 4.6px; white-space: nowrap; }
.mini-brand { display: flex; align-items: center; gap: 3px; font-weight: 700; font-size: 5.9px; }
.mini-brand img { width: 9px; height: 9px; border-radius: 2px; }
.mini-search { border-radius: 8px; background: #f4f6fa; color: #a3adbc; padding: 2px 7px; width: 133px; }
.mini-toolbar { margin-left: auto; color: #9ba6b4; letter-spacing: 1px; }
.mini-app { display: grid; grid-template-columns: 42px minmax(0, 1fr); min-height: 170px; }
.mini-sidebar { display: flex; flex-direction: column; gap: 10px; padding: 11px 3px 0; border-right: 1px solid #eff2f7; background: #fff; font-size: 5px; color: #798594; white-space: nowrap; }
.mini-sidebar span { padding: 1px 2px; }
.mini-sidebar .selected { color: #4586ec; }
.mini-sidebar i { flex: 1; }
.mini-content { padding: 8px 9px; }
.mini-welcome { position: relative; height: 63px; }
.mini-welcome > div { position: relative; z-index: 1; }
.mini-welcome small { color: #929aa6; font-size: 4px; line-height: 1; }
.mini-welcome b { display: block; margin-top: 4px; font-size: 11px; line-height: 1.35; font-weight: 750; letter-spacing: -.035em; }
.mini-welcome p { font-size: 4px; margin-top: 3px; color: #9aa3af; }
.mini-welcome > img { position: absolute; top: 1px; right: -5px; width: 126px; height: 60px; opacity: .8; mask-image: linear-gradient(to right, transparent, black 30%, black 80%, transparent); }
.mini-shortcuts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 4px; margin-top: 3px; }
.mini-shortcuts span { display: flex; align-items: center; gap: 3px; padding: 5px 3px; border-radius: 4px; border: 1px solid #edf0f4; font-size: 4.1px; white-space: nowrap; background: #fff; color: #667489; }
.mini-shortcuts i { font-style: normal; font-size: 8px; color: #6a9ff5; }
.mini-shortcuts span:nth-child(2) i { color: #67bbaa; }
.mini-shortcuts span:nth-child(3) i { color: #bc9eef; }
.mini-heading { display: flex; justify-content: space-between; font-size: 5.3px; font-weight: 650; margin: 9px 0 6px; }
.mini-heading span { color: #9aa7b7; font-size: 4px; font-weight: 400; }
.mini-lesson-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 5px; }
.mini-lesson-grid > div { background: #fff; border: 1px solid #edf1f6; border-radius: 4px; padding: 5px; }
.mini-lesson-grid i { width: 12px; height: 12px; display: grid; place-items: center; font-style: normal; background: #edf3ff; border-radius: 4px; color: #6e99df; font-size: 8px; }
.mini-lesson-grid > div:nth-child(2) i { background: #edf9f4; color: #69b499; }
.mini-lesson-grid > div:nth-child(3) i { background: #f5efff; color: #ae93d6; }
.mini-lesson-grid b { display: block; margin-top: 4px; font-size: 4.8px; font-weight: 550; }
.mini-lesson-grid small { display: block; margin-top: 2px; font-size: 3.5px; color: #99a3b1; }
.phone-device { position: absolute; padding: 4px; border-radius: 22px; background: linear-gradient(120deg, #161a20 55%, #505965 72%, #171a20 88%); border: 1px solid #7b828c; box-shadow: 0 9px 15px #23364c28, inset 0 0 0 1px #111318; }
.phone-screen { position: relative; width: 100%; height: 100%; border-radius: 17px; overflow: hidden; background: #fff; }
.phone-island { position: absolute; left: 50%; top: 2px; transform: translateX(-50%); width: 38%; height: 8px; border-radius: 0 0 7px 7px; background: #10131a; z-index: 4; }
.phone-side-button { position: absolute; right: -2px; top: 57px; width: 2px; height: 25px; border-radius: 1px; background: #3a4049; }
.ndt-phone { width: 106px; height: 224px; top: 70px; left: 240px; transform: rotate(13deg); }
.ndt-phone .phone-screen > img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.ndt-phone .phone-island { height: 7px; top: 1px; }
.trust-scene .scene-orbit { background: linear-gradient(140deg, #f0f5fa, #e7f0fa); }
.trust-call-phone { top: 25px; left: 65px; width: 137px; height: 284px; transform: rotate(-6deg); z-index: 3; }
.trust-list-phone { top: 42px; left: 193px; width: 126px; height: 274px; transform: rotate(8deg); z-index: 2; }
.trust-call-phone .phone-screen { background: radial-gradient(ellipse at 40% 86%, #133539 0, #1d272d 40%, #1d2028 70%); color: #fff; }
.phone-status { display: flex; justify-content: space-between; padding: 9px 9px 0; font-size: 5px; line-height: 1; }
.phone-status b { font-weight: 650; }
.phone-status > span { letter-spacing: .5px; }
.call-identity { display: flex; flex-direction: column; align-items: center; padding-top: 35px; }
.call-identity > b { font-size: 14px; font-weight: 550; letter-spacing: -.025em; }
.call-identity > span { margin-top: 5px; font-size: 12px; }
.call-identity > em { margin-top: 11px; border-radius: 4px; padding: 3px 6px; color: #36d993; background: #1374564a; font-size: 7px; line-height: 1; font-style: normal; }
.call-controls { position: absolute; display: flex; justify-content: space-between; left: 17px; right: 17px; bottom: 58px; }
.call-controls > div { text-align: center; }
.call-controls i { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; box-shadow: inset 0 0 0 1px #ffffff19; }
.call-controls .accept { background: #25c078; }
.call-controls .decline { background: #fa484a; }
.call-controls svg { width: 14px; height: 14px; fill: #fff; }
.call-controls > div > span { display: block; margin-top: 5px; color: #c4ccce; font-size: 5px; }
.mock-home-bar { position: absolute; width: 36%; height: 2px; border-radius: 2px; bottom: 5px; left: 32%; background: currentColor; opacity: .75; }
.trust-app-header { display: flex; justify-content: space-between; align-items: center; margin: 17px 8px 8px; font-size: 8px; }
.trust-app-header > span { color: #9ba3af; }
.trust-app-header b { font-weight: 650; font-size: 8px; }
.trust-app-label { margin: 0 8px 5px; color: #838d9b; font-size: 5px; }
.trust-search { background: #f6f8fa; color: #adb5c0; margin: 0 7px 5px; padding: 4px; font-size: 5px; border-radius: 4px; }
.number-row { display: flex; align-items: center; gap: 5px; margin: 0 6px; padding: 9px 0; border-bottom: 1px solid #f0f2f5; }
.number-row > i { flex: 0 0 11px; width: 11px; height: 11px; display: grid; place-items: center; border-radius: 50%; color: #6aabc3; background: #eaf6fa; font-size: 5px; font-style: normal; }
.number-row > div { min-width: 0; }
.number-row b { display: block; font-size: 5px; font-weight: 550; white-space: nowrap; }
.number-row small { display: block; font-size: 4px; color: #a5adb8; margin-top: 3px; white-space: nowrap; }
.number-row em { margin-left: auto; font-size: 3.7px; border: 1px solid #bee7d5; padding: 1px 2px; color: #38a67f; font-style: normal; border-radius: 3px; white-space: nowrap; }
.number-row > span { margin-left: auto; font-size: 9px; color: #a4adb9; }
.number-row .rule { color: #a8acbd; background: #f0f1f7; }
.second-label { margin-top: 9px; }
/* Principles and about: compact, without a second competing hero image. */
.principles-section { padding-top: 72px; padding-bottom: 64px; }
.principles-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.principles-heading h2 { margin-top: 8px; font-size: 29px; font-weight: 650; letter-spacing: -.025em; line-height: 1.5; }
.small-caption { font-size: 12px; color: #9199a5; white-space: nowrap; margin-bottom: 7px; }
.principles-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; margin-top: 30px; }
.principle { border-top: 1px solid #e3e9f0; padding-top: 20px; }
.principle-number { font-size: 11px; color: #4d83c5; letter-spacing: .14em; }
.principle h3 { font-size: 19px; font-weight: 650; line-height: 1.5; margin: 11px 0 8px; }
.principle p { color: #79818e; font-size: 14px; line-height: 1.9; }
.about-section { padding-block: 58px; background: linear-gradient(120deg, #f7faff, #f4f8fc); border-block: 1px solid #edf2f8; }
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 110px; align-items: center; }
.about-heading h2 { font-size: 33px; line-height: 1.5; font-weight: 650; letter-spacing: -.025em; margin-top: 12px; }
.about-tags { display: flex; align-items: center; gap: 16px; margin-top: 20px; color: #7e8b9a; font-size: 11px; }
.about-tags i { width: 3px; height: 3px; border-radius: 50%; background: #a3b3c7; }
.about-copy > p { color: #697583; font-size: 15px; line-height: 1.95; }
.about-copy > p + p { margin-top: 12px; }
.about-copy .text-link { margin-top: 20px; font-size: 14px; }
/* Footer */
.site-footer { padding-top: 33px; background: #fff; }
.footer-top { display: flex; align-items: center; gap: 30px; padding-bottom: 28px; }
.footer-top .brand-logo { width: 32px; height: 25px; }
.footer-top .brand-wordmark strong { font-size: 12px; }
.footer-top .brand-wordmark > span { font-size: 9px; }
.footer-top > p { font-size: 12px; color: #929aa5; }
.footer-nav { display: flex; align-items: center; gap: 25px; margin-left: auto; color: #727b87; font-size: 12px; }
.footer-nav button { padding: 0; background: transparent; font-size: inherit; }
.footer-nav a, .footer-nav button { min-height: 32px; display: inline-flex; align-items: center; }
.footer-nav a:hover, .footer-nav button:hover, .footer-meta a:hover { color: var(--blue); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; border-top: 1px solid #edf0f5; padding-block: 18px 21px; font-size: 10px; color: #8f98a5; line-height: 1.7; }
.footer-meta { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.footer-motto { font-size: 8px; letter-spacing: .18em; }
/* Contact dialog: exposes only real, configured contact details. */
.contact-dialog { width: min(480px, calc(100% - 32px)); max-height: calc(100dvh - 40px); margin: auto; padding: 42px 32px 30px; color: var(--ink); border: 1px solid #e6ebf3; border-radius: 24px; box-shadow: 0 30px 100px #182b5340; text-align: center; overflow-y: auto; }
.contact-dialog::backdrop { background: #1822376e; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.dialog-close { position: absolute; right: 12px; top: 12px; width: 36px; height: 36px; border-radius: 50%; background: #f3f6fa; color: #738195; font-size: 23px; line-height: 1; }
.dialog-close:hover { background: #e8eef6; }
.contact-symbol { display: grid; place-items: center; width: 56px; height: 56px; margin: 0 auto 19px; color: var(--blue); background: #edf4ff; border: 1px solid #e5eeff; border-radius: 17px; }
.contact-symbol svg { width: 26px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.contact-dialog h2 { font-size: 27px; margin-top: 8px; font-weight: 650; }
.contact-dialog #contact-description { color: #7d8795; font-size: 14px; line-height: 1.85; margin-top: 14px; }
.contact-unconfigured { margin-top: 25px; padding: 18px 14px; background: #f7f9fc; border: 1px solid #e8edf4; border-radius: 12px; }
.contact-unconfigured strong { font-size: 13px; font-weight: 550; color: #69778a; }
.contact-unconfigured p { margin-top: 8px; font-size: 12px; color: #929dab; line-height: 1.8; }
.contact-email { display: inline-block; margin-top: 25px; font-size: 20px; color: var(--blue); overflow-wrap: anywhere; }
.contact-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.copy-status { margin-top: 12px; min-height: 20px; font-size: 12px; color: #6f7d8f; }
body.dialog-is-open { overflow: hidden; }
/* Product detail pages */
.detail-page { background: #fff; }
.detail-page .site-header { background: #fffffff0; }
.detail-hero { padding-top: 107px; padding-bottom: 45px; }
.detail-hero-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 60px; margin-top: 32px; }
.detail-hero-copy { padding-block: 14px; }
.detail-product-name { display: flex; align-items: center; gap: 12px; margin: 15px 0 24px; font-size: 20px; font-weight: 650; }
.detail-product-name img { width: 42px; height: 42px; border-radius: 12px; }
.detail-hero h1 { font-size: clamp(35px, 3.5vw, 51px); line-height: 1.35; font-weight: 730; letter-spacing: -.035em; }
.detail-intro { max-width: 460px; color: #75808e; font-size: 16px; line-height: 1.9; margin-top: 22px; }
.detail-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.detail-scene-wrap { position: relative; min-height: 440px; overflow: clip; border-radius: 25px; background: radial-gradient(ellipse at 50% 80%, #e8f1fc9e, #fff 70%); }
.detail-scene-wrap .device-scene { top: 44%; left: 50%; right: auto; bottom: auto; transform: translate(-50%, -50%) scale(1.5); transform-origin: center; }
.detail-scene-wrap .trust-scene { transform: translate(-50%, -50%) scale(1.46); }
.visual-note { max-width: 600px; margin-left: auto; margin-top: 13px; color: #9ca5b1; font-size: 11px; line-height: 1.8; text-align: center; }
.detail-features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 48px; padding-top: 36px; padding-bottom: 65px; border-top: 1px solid var(--line); }
.feature-symbol { font-size: 11px; color: #7b9cce; letter-spacing: .12em; }
.detail-features h2 { margin-top: 13px; font-size: 19px; font-weight: 650; }
.detail-features p { font-size: 14px; color: #798594; line-height: 1.9; margin-top: 12px; max-width: 340px; }
.screenshots-section { padding-block: 55px 65px; background: #f6f9fd; border-block: 1px solid #edf1f7; }
.screenshots-section .section-heading h2 { font-size: 32px; margin-top: 10px; }
.screenshots-section .section-description { font-size: 13px; }
.screenshot-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 34px; }
.screenshot-grid figure { padding: 29px 18px 25px; background: #fff; border: 1px solid #e5ebf3; border-radius: 18px; }
.gallery-phone { max-width: 236px; margin-inline: auto; border: 5px solid #272d37; border-radius: 28px; overflow: hidden; box-shadow: 0 10px 23px #26395414; }
.gallery-phone img { width: 100%; }
.screenshot-grid figcaption { margin-top: 26px; text-align: center; }
.screenshot-grid figcaption b { display: block; font-size: 17px; font-weight: 650; }
.screenshot-grid figcaption span { display: block; color: #939eac; font-size: 12px; line-height: 1.7; margin-top: 8px; }
.detail-bottom { padding-block: 56px; display: flex; justify-content: space-between; gap: 35px; align-items: center; }
.detail-bottom h2 { font-size: 26px; line-height: 1.6; font-weight: 650; margin-top: 10px; }
.availability-note { font-size: 12px; color: #99a3b0; margin-top: 12px; }
.product-legal { display: flex; gap: 20px; margin-top: 12px; font-size: 12px; color: #748aab; }
.product-legal:empty { display: none; }
.trust-statement { padding-block: 63px; background: #f4faf7; border-block: 1px solid #eaf3ee; }
.trust-statement-inner { position: relative; text-align: center; }
.statement-mark { display: block; height: 53px; font-family: Georgia, serif; font-size: 100px; line-height: 1; color: #c3e9d5; }
.trust-statement h2 { font-size: 36px; line-height: 1.6; margin-top: 15px; font-weight: 650; letter-spacing: -.035em; }
.trust-statement p:last-child { color: #7c9187; font-size: 14px; line-height: 1.9; margin-top: 20px; }
.trust-detail .feature-symbol { color: #4f9c7a; }
.trust-detail .detail-scene-wrap { background: radial-gradient(ellipse at 50% 80%, #eff6f4 0, #fff 70%); }
.detail-page .site-footer { border-top: 1px solid var(--line); }
/* Layout breakpoints; device composition scales independently of body copy. */
@media (max-width: 1399px) {
.product-copy { width: 248px; }
.product-card .device-scene { transform: scale(.85); right: -8px; }
.card-desktop-break { display: none; }
.product-title-row { gap: 12px; }
.product-icon { width: 50px; height: 50px; border-radius: 13px; }
.product-title-row h3 { font-size: 22px; }
.product-title-row p { font-size: 13px; }
.product-description { font-size: 13px; line-height: 1.85; max-width: 242px; }
.about-layout { gap: 65px; }
.detail-scene-wrap .device-scene { transform: translate(-50%, -50%) scale(1.27); }
.detail-scene-wrap .trust-scene { transform: translate(-50%, -50%) scale(1.3); }
}
@media (max-width: 1199px) {
:root { --gutter: 36px; }
.section-heading h2 { font-size: 34px; }
.product-card { height: 488px; padding: 28px; }
.product-copy { width: 100%; }
.product-title-row h3 { font-size: 24px; }
.product-title-row p { font-size: 14px; }
.product-icon { width: 55px; height: 55px; }
.product-description { font-size: 14px; line-height: 1.85; max-width: 100%; }
.product-card .text-link { margin-top: 18px; font-size: 14px; }
.product-card .device-scene { left: 50%; right: auto; bottom: -22px; transform: translateX(-50%) scale(1.08); transform-origin: center bottom; }
.principles-heading h2 { font-size: 25px; }
.principles-grid { gap: 27px; }
.about-layout { gap: 50px; }
.about-heading h2 { font-size: 29px; }
.about-copy > p { font-size: 14px; }
.footer-top { gap: 20px; }
.footer-top > p { display: none; }
.detail-hero-grid { gap: 20px; }
.detail-scene-wrap .device-scene { transform: translate(-50%, -50%) scale(1.13); }
.detail-scene-wrap .trust-scene { transform: translate(-50%, -50%) scale(1.17); }
.detail-features { gap: 25px; }
.detail-features h2 { font-size: 17px; }
.detail-features p { font-size: 13px; }
}
@media (max-width: 900px) {
:root { --gutter: 28px; }
.desktop-nav { gap: 34px; }
.section-side-note { display: none; }
.product-card { padding: 25px; }
.product-title-row { gap: 12px; }
.product-title-row h3 { font-size: 22px; }
.product-title-row p { font-size: 13px; }
.product-card .device-scene { transform: translateX(-50%) scale(.94); }
.product-description { font-size: 13px; }
.principles-heading h2 { font-size: 23px; }
.small-caption { display: none; }
.principle h3 { font-size: 17px; }
.principle p { font-size: 12px; }
.wide-break { display: none; }
.about-layout { gap: 30px; }
.about-heading h2 { font-size: 24px; }
.about-copy > p { font-size: 13px; }
.about-tags { gap: 11px; }
.detail-hero-grid { grid-template-columns: minmax(0, 1fr); margin-top: 15px; }
.detail-hero-copy { max-width: 650px; }
.detail-intro { max-width: 560px; }
.detail-hero h1 { font-size: 42px; }
.detail-scene-wrap { min-height: 400px; margin-top: 5px; }
.detail-scene-wrap .device-scene { transform: translate(-50%, -50%) scale(1.35); }
.detail-scene-wrap .trust-scene { transform: translate(-50%, -50%) scale(1.35); }
.visual-note { margin-inline: auto; }
.detail-bottom { align-items: start; flex-direction: column; gap: 23px; }
.gallery-phone { border-width: 4px; border-radius: 23px; }
.screenshot-grid { gap: 13px; }
.screenshot-grid figure { padding: 20px 13px; }
}
@media (max-width: 767px) {
:root { --gutter: 22px; }
html { scroll-padding-top: 83px; }
.header-inner { min-height: 70px; }
.brand-logo { width: 33px; height: 26px; }
.brand { gap: 10px; }
.brand-wordmark strong { font-size: 13px; }
.brand-wordmark > span { font-size: 9px; }
.desktop-nav { display: none; }
.menu-button { display: block; margin-right: -9px; }
.desktop-break { display: none; }
.products-section { padding-top: 28px; }
.section-kicker { font-size: 9px; letter-spacing: .26em; }
.section-heading { margin-bottom: 21px; }
.section-heading h2 { font-size: 29px; line-height: 1.5; margin-top: 4px; }
.section-description { font-size: 13px; line-height: 1.8; margin-top: 3px; max-width: 350px; }
.product-grid { grid-template-columns: minmax(0, 1fr); gap: 17px; }
.product-card { height: 468px; padding: 25px; border-radius: 17px; }
.product-icon { width: 55px; height: 55px; border-radius: 15px; }
.product-title-row { gap: 14px; }
.product-title-row h3 { font-size: 24px; }
.product-title-row p { font-size: 13px; }
.product-description { margin-top: 18px; font-size: 14px; line-height: 1.8; }
.product-card .text-link { margin-top: 16px; font-size: 14px; }
.product-card .device-scene { bottom: -20px; transform: translateX(-50%) scale(1.02); }
.product-card .ndt-scene { transform: translateX(-50%) scale(.92); }
.principles-end { display: block; }
.principles-section { padding-top: 48px; padding-bottom: 42px; }
.principles-heading h2 { max-width: 320px; font-size: 24px; line-height: 1.55; margin-top: 10px; }
.principles-grid { grid-template-columns: minmax(0, 1fr); gap: 23px; margin-top: 25px; }
.principle { position: relative; padding: 19px 0 0 40px; }
.principle-number { position: absolute; left: 0; top: 24px; font-size: 10px; }
.principle h3 { font-size: 17px; margin: 0 0 7px; }
.principle p { font-size: 13px; line-height: 1.85; }
.about-section { padding-block: 40px; }
.about-layout { grid-template-columns: minmax(0, 1fr); gap: 28px; }
.about-heading h2 { font-size: 28px; line-height: 1.55; }
.about-tags { font-size: 11px; gap: 15px; margin-top: 19px; }
.about-copy > p { font-size: 14px; line-height: 1.9; }
.about-copy .text-link { margin-top: 18px; }
.site-footer { padding-top: 28px; }
.footer-top { flex-wrap: wrap; gap: 20px; padding-bottom: 20px; }
.footer-top .brand-logo { width: 30px; }
.footer-nav { width: 100%; margin-left: 0; gap: 25px; }
.footer-bottom { flex-direction: column; align-items: start; gap: 9px; font-size: 9px; padding-block: 17px 24px; }
.footer-motto { font-size: 7px; letter-spacing: .15em; }
.footer-meta { gap: 12px; }
.contact-dialog { padding: 40px 22px 26px; border-radius: 20px; }
.contact-dialog h2 { font-size: 25px; }
.contact-dialog #contact-description { font-size: 13px; }
.detail-hero { padding-top: 91px; padding-bottom: 34px; }
.detail-hero-grid { gap: 8px; }
.detail-product-name { font-size: 19px; margin-bottom: 20px; }
.detail-product-name img { width: 39px; height: 39px; border-radius: 11px; }
.detail-hero h1 { font-size: clamp(31px, 8.5vw, 43px); }
.detail-intro { font-size: 14px; margin-top: 20px; }
.detail-actions { margin-top: 22px; gap: 10px; }
.detail-actions .button { font-size: 13px; min-height: 46px; padding-inline: 22px; }
.detail-scene-wrap { min-height: 307px; margin-top: 7px; }
.detail-scene-wrap .device-scene, .detail-scene-wrap .trust-scene { transform: translate(-50%, -50%) scale(.95); }
.visual-note { font-size: 10px; line-height: 1.85; margin-top: 8px; }
.detail-features { grid-template-columns: minmax(0, 1fr); gap: 27px; padding-top: 31px; padding-bottom: 38px; }
.detail-features article { position: relative; padding-left: 34px; }
.feature-symbol { position: absolute; top: 4px; left: 0; font-size: 10px; }
.detail-features h2 { font-size: 18px; margin-top: 0; }
.detail-features p { margin-top: 9px; max-width: 100%; }
.screenshots-section { padding-block: 36px; }
.screenshots-section .section-heading h2 { font-size: 26px; }
.screenshots-section .section-description { font-size: 12px; }
.screenshot-grid { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 88%; gap: 13px; margin-top: 24px; overflow-x: auto; overscroll-behavior-inline: contain; scroll-snap-type: x mandatory; padding: 2px 2px 16px; scrollbar-color: #c8d5e7 transparent; scrollbar-width: thin; }
.screenshot-grid figure { scroll-snap-align: start; padding: 24px 20px; }
.gallery-phone { max-width: 226px; }
.screenshot-grid figcaption { margin-top: 22px; }
.detail-bottom { padding-block: 38px; gap: 25px; }
.detail-bottom h2 { font-size: 24px; }
.detail-bottom .button { font-size: 13px; }
.trust-statement { padding-block: 41px; }
.trust-statement h2 { font-size: 27px; }
.trust-statement p:last-child { font-size: 13px; }
}
@media (min-width: 480px) and (max-width: 767px) {
.product-card { height: 447px; }
.product-card .device-scene { transform: translateX(-50%) scale(1.05); left: 57%; }
.detail-scene-wrap .device-scene, .detail-scene-wrap .trust-scene { transform: translate(-50%, -50%) scale(1.12); }
}
@media (max-width: 374px) {
:root { --gutter: 18px; }
.brand-wordmark strong { font-size: 12px; }
.product-card { padding: 22px; height: 468px; }
.product-title-row { gap: 11px; }
.product-icon { width: 49px; height: 49px; border-radius: 13px; }
.product-title-row h3 { font-size: 22px; }
.product-title-row p { font-size: 12px; }
.product-description { font-size: 13px; }
.product-card .device-scene { transform: translateX(-50%) scale(.9); }
.product-card .ndt-scene { transform: translateX(-50%) scale(.82); }
.about-heading h2 { font-size: 25px; }
.detail-scene-wrap .device-scene, .detail-scene-wrap .trust-scene { transform: translate(-50%, -50%) scale(.81); }
}
@media (prefers-reduced-motion: reduce) {
html { scroll-behavior: auto; }
*, *::before, *::after { animation: none !important; transition: none !important; }
}

/* V13 shared refinements */
.brand-logo { width: 43px; height: 30px; object-fit: contain; flex-shrink: 0; }
.brand-wordmark strong { letter-spacing: .025em; }
.back-link { display: inline-flex; align-items: center; min-height: 40px; gap: 7px; color: #68768a; font-size: 13px; }
.back-link:hover { color: var(--blue); }
.detail-hero { padding-top: 106px; padding-bottom: 40px; }
.detail-hero-grid { margin-top: 18px; }
.site-header.is-scrolled, .site-header.menu-is-open { background: #fafcff; }
.product-card:focus-within { border-color: #9cc0ff; }
.product-card .text-link { position: static; }
.product-card .text-link::after { content: ""; position: absolute; inset: -26px; z-index: 6; border-radius: 15px; }
.product-copy { position: static; }
.product-title-row, .product-description { position: relative; z-index: 2; }
.product-card .text-link .arrow-icon { pointer-events: none; }
.product-card { cursor: pointer; }
.dialog-is-open { overflow: hidden; padding-right: var(--scrollbar-compensation, 0px); }
.dialog-is-open .site-header { padding-right: var(--scrollbar-compensation, 0px); }
.back-to-top { position: fixed; bottom: max(22px, env(safe-area-inset-bottom)); right: 22px; width: 44px; height: 44px; z-index: 20; display: grid; place-items: center; border-radius: 50%; color: #617791; background: #fff; border: 1px solid #dfe8f3; box-shadow: 0 4px 18px #1235570a; }
.back-to-top svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.back-to-top:hover { color: var(--blue); border-color: #a9c8f1; }
[data-anchor-target]:focus { outline: none; }
.footer-top .brand-logo { width: 34px; height: 24px; }
@media (max-width: 767px) {
 .brand-logo { width: 36px; height: 26px; }
 .detail-hero { padding-top: 90px; padding-bottom: 32px; }
 .back-to-top { right: 15px; bottom: max(15px, env(safe-area-inset-bottom)); }
 .product-card .text-link::after { inset: -25px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }