:root {
  color-scheme: light;
  --paper: #f7fafc;
  --surface: #ffffff;
  --ink: #0c2039;
  --muted: #53677d;
  --rule: #ccdbe6;
  --accent: #aaf4ed;
  --accent-strong: #00727d;
  --dark: #0c2039;
  --dark-soft: #1b3955;
  --radius: 7px;
  --shell: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Segoe UI", "Aptos", Arial, sans-serif; font-size: 16px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible { outline: 3px solid var(--accent-strong); outline-offset: 4px; border-radius: 2px; }
::selection { background: var(--accent); color: var(--ink); }
em { font-style: normal; color: var(--accent-strong); }
.shell { width: min(calc(100% - 72px), var(--shell)); margin-inline: auto; }
.skip-link { position: absolute; z-index: 20; left: 16px; top: -80px; padding: 10px 14px; background: var(--dark); color: #fff; }
.skip-link:focus { top: 12px; }

.site-header { border-bottom: 1px solid var(--rule); }
.header-inner { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; width: fit-content; white-space: nowrap; }
.brand-mark { display: block; width: 40px; height: 40px; flex: none; object-fit: contain; }
.brand-name { font-size: 23px; }
.brand-wordmark { display: inline-block; color: var(--ink); font-family: "Segoe UI", "Aptos", Arial, sans-serif; font-weight: 800; letter-spacing: -.065em; line-height: 1; text-transform: none; white-space: nowrap; }
.brand-wordmark > span { background: linear-gradient(110deg, #0069ad, #00727d); background-clip: text; color: transparent; }
.brand-wordmark--inline { font-size: 1em; letter-spacing: -.045em; }
.approach-section .brand-wordmark { color: var(--paper); }
.approach-section .brand-wordmark > span { background: none; color: var(--accent); }
.site-nav { display: flex; align-items: center; gap: clamp(18px, 3vw, 40px); color: var(--muted); font-size: 14px; font-weight: 650; }
.site-nav a { padding: 10px 0; border-bottom: 1px solid transparent; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); border-color: var(--ink); }
.nav-arrow { color: var(--accent-strong); margin-left: 3px; }

.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 22px; color: var(--accent-strong); font-size: 12px; font-weight: 800; letter-spacing: .16em; line-height: 1.3; text-transform: uppercase; }
.eyebrow-line { width: 27px; height: 1px; background: currentColor; }
.hero { display: grid; grid-template-columns: 1.07fr .93fr; align-items: center; gap: clamp(36px, 5vw, 80px); padding-block: clamp(70px, 9vw, 135px); }
.hero-copy { padding-bottom: 14px; }
h1, h2, h3, p { overflow-wrap: break-word; }
h1, h2 { margin: 0; font-weight: 650; letter-spacing: -.065em; line-height: 1.04; }
.hero h1 { max-width: 720px; font-size: clamp(53px, 6.3vw, 92px); }
.hero h1 em, .product-hero h1 em, .return-section h2 em { display: block; }
.hero-description { max-width: 520px; margin: 30px 0 0; color: var(--muted); font-size: clamp(17px, 1.45vw, 19px); line-height: 1.6; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 28px; margin-top: 38px; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 32px; padding: 12px 18px; border: 1px solid var(--ink); border-radius: var(--radius); font-size: 14px; font-weight: 700; line-height: 1.3; transition: transform .18s ease, background .18s ease, color .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--ink); color: #fff; }
.button-primary:hover { background: #23415e; }
.button-primary span { color: var(--accent); font-size: 18px; font-weight: 400; }
.button-secondary { background: var(--surface); color: var(--ink); }
.button-secondary:hover { background: var(--accent); }
.button-secondary span { color: var(--accent-strong); font-size: 18px; font-weight: 400; }
.text-link, .arrow-link { display: inline-flex; align-items: center; gap: 20px; width: fit-content; padding-block: 8px; border-bottom: 1px solid currentColor; color: var(--ink); font-size: 14px; font-weight: 700; }
.text-link:hover, .arrow-link:hover { color: var(--accent-strong); }
.text-link span, .arrow-link span { color: var(--accent-strong); font-size: 18px; font-weight: 400; line-height: 1; }

.hero-art { aspect-ratio: 3 / 2; overflow: hidden; border: 1px solid var(--rule); border-radius: var(--radius); background: #fff; box-shadow: 18px 18px 0 #eaf2f7; }
.hero-art img { display: block; width: 100%; height: 100%; object-fit: cover; transform: scale(1.12); }

.section-divider { border-block: 1px solid var(--rule); color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.section-divider .shell { min-height: 50px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.product-section { padding-block: clamp(72px, 8vw, 115px) clamp(88px, 10vw, 145px); }
.section-intro { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 42px; }
.section-intro .eyebrow { margin-bottom: 18px; }
.section-intro h2 { font-size: clamp(46px, 5vw, 70px); }
.product-feature { display: grid; grid-template-columns: 1fr .85fr; min-height: 340px; border: 1px solid var(--rule); border-radius: var(--radius); background: var(--surface); }
.product-identity { display: flex; flex-direction: column; justify-content: space-between; min-height: 340px; padding: clamp(27px, 4vw, 45px); border-right: 1px solid var(--rule); }
.product-glyph { color: var(--ink); font-family: Arial, sans-serif; font-size: clamp(96px, 11vw, 145px); font-weight: 750; letter-spacing: -.11em; line-height: .8; }
.product-glyph span { color: var(--accent-strong); font-size: .6em; font-weight: 400; margin-left: .14em; }
.product-identity > div:last-child { display: flex; flex-direction: column; gap: 3px; }
.product-kicker { color: var(--accent-strong); font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.product-identity strong { font-size: 38px; font-weight: 650; letter-spacing: -.06em; line-height: 1.15; }
.product-content { display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end; gap: 25px; padding: clamp(27px, 4vw, 45px); }
.product-content p { max-width: 450px; margin: 0; font-size: clamp(18px, 1.7vw, 22px); font-weight: 450; letter-spacing: -.02em; line-height: 1.45; }
.home-tool-list { border-top: 1px solid var(--ink); }
.home-tool { display: grid; grid-template-columns: 42px 76px minmax(170px, .7fr) minmax(230px, 1fr) 24px; align-items: center; gap: 18px; padding: 24px 0; border-bottom: 1px solid var(--rule); transition: padding .2s ease, color .2s ease; }
.home-tool:hover { padding-inline: 12px; color: var(--accent-strong); }
.home-tool-number { color: var(--accent-strong); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.home-tool-visual { display: block; width: 76px; height: 56px; object-fit: contain; padding: 4px; border: 1px solid var(--rule); border-radius: var(--radius); background: #eaf3f8; }
.home-tool-name { font-size: clamp(25px, 3vw, 37px); font-weight: 650; letter-spacing: -.055em; line-height: 1.15; }
.home-tool-description { color: var(--muted); font-size: 15px; line-height: 1.5; }
.home-tool-arrow { justify-self: end; color: var(--accent-strong); font-size: 21px; }

.approach-section { padding-block: clamp(80px, 9vw, 132px); background: var(--dark); color: var(--paper); }
.approach-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(45px, 8vw, 125px); }
.eyebrow-light { color: var(--accent); }
.approach-section h2 { max-width: 540px; font-size: clamp(52px, 5.7vw, 78px); }
.approach-copy { align-self: end; padding-bottom: 4px; }
.approach-copy > p:first-child { max-width: 520px; margin: 0; color: #e0edf4; font-size: clamp(18px, 1.6vw, 21px); line-height: 1.55; }
.approach-note { margin: 45px 0 0; padding-top: 20px; border-top: 1px solid rgba(244,246,244,.25); color: var(--accent); font-size: 13px; font-weight: 750; letter-spacing: .04em; }

.site-footer { background: #eaf3f8; }
.footer-main { display: flex; justify-content: space-between; gap: 50px; padding-block: 65px 80px; }
.footer-main p { margin: 18px 0 0; color: var(--muted); font-size: 14px; }
.footer-main nav { display: flex; gap: clamp(20px, 4vw, 55px); align-items: flex-start; color: var(--muted); font-size: 14px; font-weight: 650; }
.footer-main nav a:hover { color: var(--accent-strong); text-decoration: underline; text-underline-offset: 4px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding-block: 20px 28px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 12px; }

.product-hero { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: clamp(40px, 6vw, 90px); padding-block: clamp(80px, 9vw, 130px); }
.product-hero h1 { font-size: clamp(65px, 8vw, 112px); }
.product-hero .hero-description { max-width: 480px; }
.status-line { display: inline-flex; align-items: center; gap: 12px; margin-top: 42px; padding: 13px 17px; border: 1px solid var(--rule); border-radius: var(--radius); color: var(--muted); font-size: 13px; font-weight: 650; }
.status-indicator { width: 8px; height: 8px; flex: none; border-radius: 50%; background: var(--accent-strong); }
.baset-art { min-height: clamp(430px, 42vw, 545px); display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; padding: 30px; border-radius: var(--radius); background: var(--accent); color: var(--ink); }
.baset-art-label, .baset-art-foot { font-size: 12px; font-weight: 800; letter-spacing: .14em; }
.product-art-image { display: block; width: min(100%, 450px); height: auto; align-self: center; margin-block: auto; object-fit: contain; }
.baset-art-foot { align-self: flex-end; }
.workflow-art { min-height: clamp(430px, 42vw, 545px); display: flex; flex-direction: column; justify-content: space-between; padding: clamp(25px, 3vw, 38px); border: 1px solid var(--rule); border-radius: var(--radius); background: #e7f4fa; }
.workflow-art--qc { background: #e6f6f3; }
.workflow-art--email { background: #eaf0fa; }
.workflow-art--utilities { background: #e8f4ed; }
.workflow-art--legacy { background: #f1edf8; }
.workflow-art-label, .workflow-art-foot { color: var(--accent-strong); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.workflow-art-steps { list-style: none; margin: 28px 0; padding: 0; }
.workflow-art-steps li { display: flex; align-items: baseline; gap: 18px; padding: 15px 0; border-bottom: 1px solid rgba(12,32,57,.16); font-size: clamp(25px, 3vw, 39px); font-weight: 650; letter-spacing: -.055em; line-height: 1.15; }
.workflow-art-steps li:first-child { border-top: 1px solid rgba(12,32,57,.16); }
.workflow-art-steps span { flex: none; color: var(--accent-strong); font-size: 12px; font-weight: 800; letter-spacing: 0; }
.workflow-art-foot { align-self: flex-end; }
.product-detail { display: grid; grid-template-columns: .42fr 1fr; gap: clamp(40px, 8vw, 130px); padding-block: clamp(80px, 9vw, 130px); border-top: 1px solid var(--rule); }
.detail-label { display: flex; gap: 22px; align-items: flex-start; }
.detail-label > span { color: var(--accent-strong); font-size: 13px; font-weight: 800; }
.detail-label .eyebrow { margin: 0; }
.detail-content h2 { max-width: 760px; font-size: clamp(38px, 4vw, 58px); }
.detail-content p { max-width: 640px; margin: 28px 0 0; color: var(--muted); font-size: 18px; line-height: 1.65; }
.feature-section { padding-block: clamp(75px, 8vw, 120px); border-top: 1px solid var(--rule); }
.feature-section h2 { max-width: 760px; margin: 0 0 44px; font-size: clamp(42px, 5vw, 66px); }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(35px, 6vw, 90px); }
.feature-card { padding: 23px 0 32px; border-top: 1px solid var(--rule); }
.feature-art { display: block; width: 144px; height: 91px; margin: 0 0 20px; padding: 5px; border: 1px solid var(--rule); border-radius: var(--radius); background: #eaf3f8; object-fit: contain; }
.feature-card h3 { margin: 0 0 10px; font-size: clamp(20px, 2.2vw, 26px); font-weight: 700; letter-spacing: -.035em; line-height: 1.2; }
.feature-card p { max-width: 480px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.6; }
.feature-card .utility-status { margin-top: 17px; color: var(--accent-strong); font-size: 12px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.availability-section { padding-block: clamp(65px, 7vw, 100px); background: #eaf3f8; }
.availability-inner { display: flex; justify-content: space-between; align-items: end; gap: 42px; }
.availability-inner h2 { max-width: 640px; font-size: clamp(37px, 4.5vw, 58px); }
.availability-inner p:not(.eyebrow) { max-width: 580px; margin: 22px 0 0; color: var(--muted); font-size: 17px; }
.availability-inner .button { flex: none; }
.return-section { display: flex; justify-content: space-between; align-items: end; gap: 36px; padding-block: clamp(70px, 8vw, 110px); border-top: 1px solid var(--rule); }
.return-section h2 { font-size: clamp(38px, 4vw, 55px); }
.return-section .button { flex: none; }
.not-found { min-height: 65dvh; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding-block: 90px; }
.not-found h1 { font-size: clamp(52px, 7vw, 92px); }
.not-found p:not(.eyebrow) { max-width: 520px; margin: 24px 0 35px; color: var(--muted); font-size: 18px; }
.catalog-hero { padding-block: clamp(75px, 9vw, 125px) clamp(65px, 7vw, 100px); }
.catalog-hero h1 { max-width: 1050px; font-size: clamp(58px, 7.2vw, 98px); }
.catalog-hero .hero-description { max-width: 600px; }
.catalog-section { padding-bottom: clamp(95px, 12vw, 170px); }
.catalog-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 25px; padding: 23px 0; border-top: 1px solid var(--ink); }
.catalog-heading h2 { font-size: clamp(27px, 3vw, 38px); }
.catalog-heading > span { color: var(--muted); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.catalog-row { display: grid; grid-template-columns: 50px 112px minmax(180px, 1fr) minmax(210px, .9fr) 32px; align-items: center; gap: 18px; min-height: 150px; padding: 20px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); transition: padding .2s ease, color .2s ease; }
.catalog-row + .catalog-row { border-top: 0; }
.catalog-row:hover { padding-inline: 14px; color: var(--accent-strong); }
.catalog-number { align-self: start; padding-top: 12px; color: var(--accent-strong); font-size: 13px; font-weight: 800; }
.catalog-visual { display: block; width: 112px; height: 76px; padding: 5px; border: 1px solid var(--rule); border-radius: var(--radius); background: #eaf3f8; object-fit: contain; }
.catalog-name { display: flex; flex-direction: column; font-size: clamp(34px, 4vw, 52px); font-weight: 650; letter-spacing: -.065em; line-height: 1; }
.catalog-name small { margin-top: 13px; color: var(--muted); font-size: 13px; font-weight: 650; letter-spacing: 0; }
.catalog-summary { display: flex; flex-direction: column; gap: 9px; color: var(--muted); font-size: 15px; line-height: 1.5; }
.catalog-summary small { color: var(--accent-strong); font-size: 12px; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.catalog-arrow { justify-self: end; color: var(--accent-strong); font-size: 23px; }
.catalog-note { max-width: 540px; margin: 22px 0 0 85px; color: var(--muted); font-size: 14px; }

@media (max-width: 850px) {
  .hero, .product-hero { grid-template-columns: 1fr; gap: 55px; }
  .hero { padding-top: 78px; }
  .hero h1 { max-width: 750px; }
  .hero-art { max-width: 680px; }
  .home-tool { grid-template-columns: 35px 64px minmax(140px, .8fr) minmax(190px, 1fr) 24px; gap: 12px; }
  .home-tool-visual { width: 64px; height: 50px; }
  .approach-grid { grid-template-columns: 1fr; gap: 40px; }
  .approach-copy { max-width: 700px; }
  .product-hero { padding-top: 78px; }
  .baset-art { min-height: 440px; }
  .catalog-row { grid-template-columns: 40px 84px 1fr minmax(175px, .8fr) 25px; gap: 12px; }
  .catalog-visual { width: 84px; height: 64px; }
}

@media (max-width: 620px) {
  .shell { width: min(calc(100% - 36px), var(--shell)); }
  .header-inner { min-height: 74px; }
  .brand-name { font-size: 20px; }
  .brand-mark { width: 34px; height: 34px; }
  .site-nav { gap: 15px; font-size: 13px; }
  .site-nav a { padding: 8px 0; }
  .hero { padding-block: 65px 75px; gap: 52px; }
  .hero h1 { font-size: clamp(48px, 12vw, 70px); }
  .hero-description { margin-top: 24px; }
  .hero-actions { gap: 22px; margin-top: 30px; }
  .hero-art { aspect-ratio: 4 / 3; margin-right: 12px; }
  .section-intro h2 { font-size: 46px; }
  .product-feature { grid-template-columns: 1fr; }
  .product-identity { min-height: 260px; border-right: 0; border-bottom: 1px solid var(--rule); }
  .product-glyph { font-size: 100px; }
  .product-identity strong { font-size: 32px; }
  .product-content { min-height: 245px; }
  .product-content p { font-size: 18px; }
  .approach-section h2 { font-size: 51px; }
  .footer-main { flex-direction: column; gap: 35px; padding-block: 55px; }
  .footer-main nav { flex-wrap: wrap; gap: 20px 35px; }
  .footer-bottom { flex-direction: column; gap: 7px; }
  .product-hero { padding-block: 65px 85px; }
  .product-hero h1 { font-size: 68px; }
  .baset-art { min-height: 350px; padding: 20px; }
  .workflow-art { min-height: 320px; padding: 22px; }
  .workflow-art-steps li { font-size: 29px; }
  .product-detail { grid-template-columns: 1fr; gap: 25px; }
  .detail-content h2 { font-size: 39px; }
  .detail-content p { font-size: 17px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-section h2 { font-size: 45px; }
  .availability-inner { align-items: flex-start; flex-direction: column; }
  .home-tool { grid-template-columns: 28px 56px 1fr 20px; gap: 10px; padding: 23px 0; }
  .home-tool-visual { width: 56px; height: 48px; grid-column: 2; grid-row: 1 / span 2; }
  .home-tool-name { font-size: 29px; }
  .home-tool-description { grid-column: 3; grid-row: 2; }
  .home-tool-arrow { grid-column: 4; grid-row: 1; }
  .return-section { align-items: flex-start; flex-direction: column; }
  .return-section h2 { font-size: 40px; }
  .catalog-hero { padding-block: 68px 65px; }
  .catalog-hero h1 { font-size: clamp(47px, 11.5vw, 69px); }
  .catalog-row { grid-template-columns: 28px 62px minmax(0, 1fr) 20px; min-height: 145px; gap: 8px; }
  .catalog-visual { width: 62px; height: 54px; grid-column: 2; grid-row: 1 / span 2; padding: 3px; }
  .catalog-name { font-size: 32px; grid-column: 3; grid-row: 1; }
  .catalog-summary { grid-column: 3; grid-row: 2; margin-top: 8px; font-size: 13px; }
  .catalog-arrow { grid-column: 4; grid-row: 1; }
  .catalog-note { margin-left: 45px; }
}

@media (max-width: 390px) {
  .brand { gap: 7px; }
  .brand-name { font-size: 18px; }
  .site-nav { gap: 12px; font-size: 12px; }
  .hero h1 { font-size: 45px; }
  .product-hero h1 { font-size: 59px; }
}

@media (max-width: 350px) {
  .site-nav a[href="#approach"], .site-nav a[href="/#approach"] { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}