:root {
  color-scheme: light;
  --paper: #f4f6f4;
  --surface: #ffffff;
  --ink: #203033;
  --muted: #526266;
  --rule: #cbd4d1;
  --accent: #b8f0d3;
  --accent-strong: #216b55;
  --dark: #203033;
  --dark-soft: #2b3d40;
  --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: 32px; height: 32px; flex: none; }
.brand-name { font-size: 21px; font-weight: 750; letter-spacing: -.055em; line-height: 1; }
.brand-name span { color: var(--accent-strong); }
.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: #354a4e; }
.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 { min-height: clamp(490px, 42vw, 570px); display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; position: relative; padding: 25px 28px 30px; border-radius: var(--radius); background: var(--dark); color: var(--paper); }
.hero-art::before, .hero-art::after { content: ""; position: absolute; border: 1px solid rgba(184,240,211,.18); border-radius: 50%; pointer-events: none; }
.hero-art::before { width: 510px; height: 510px; right: -198px; top: -72px; }
.hero-art::after { width: 360px; height: 360px; right: -123px; top: 2px; }
.art-top, .art-bottom { display: flex; justify-content: space-between; align-items: flex-start; position: relative; z-index: 1; gap: 20px; font-size: 11px; font-weight: 750; letter-spacing: .13em; line-height: 1.4; text-transform: uppercase; }
.art-top { color: var(--accent); }
.art-monogram { display: block; position: relative; z-index: 1; width: clamp(240px, 28vw, 385px); max-width: 100%; height: auto; align-self: center; margin-top: -26px; }
.art-bottom { align-items: flex-end; border-top: 1px solid rgba(244,246,244,.3); padding-top: 22px; }
.art-cross { color: var(--accent); font-size: 30px; font-weight: 400; line-height: .8; }

.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; }

.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: #e3ece8; 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: #eaf0ed; }
.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; }
.baset-art strong { align-self: center; font-family: Arial, sans-serif; font-size: clamp(210px, 25vw, 340px); font-weight: 800; letter-spacing: -.14em; line-height: .8; transform: translateX(-.08em); }
.baset-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; }
.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: 65px minmax(130px, 1fr) minmax(210px, .9fr) 32px; align-items: center; gap: 20px; 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: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-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-state { color: var(--muted); font-size: 15px; }
.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 { min-height: 470px; }
  .art-monogram { width: min(70vw, 390px); }
  .approach-grid { grid-template-columns: 1fr; gap: 40px; }
  .approach-copy { max-width: 700px; }
  .product-hero { padding-top: 78px; }
  .baset-art { min-height: 440px; }
  .baset-art strong { font-size: clamp(240px, 47vw, 360px); }
  .catalog-row { grid-template-columns: 44px 1fr minmax(175px, .8fr) 25px; }
}

@media (max-width: 620px) {
  .shell { width: min(calc(100% - 36px), var(--shell)); }
  .header-inner { min-height: 74px; }
  .brand-name { font-size: 19px; }
  .brand-mark { width: 30px; height: 30px; }
  .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 { min-height: 390px; padding: 20px; }
  .art-monogram { width: min(65vw, 290px); }
  .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; }
  .baset-art strong { font-size: 230px; }
  .product-detail { grid-template-columns: 1fr; gap: 25px; }
  .detail-content h2 { font-size: 39px; }
  .detail-content p { font-size: 17px; }
  .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: 35px 1fr 24px; min-height: 145px; gap: 10px; }
  .catalog-name { font-size: 37px; }
  .catalog-state { grid-column: 2; grid-row: 2; margin-top: -25px; font-size: 13px; }
  .catalog-arrow { grid-column: 3; grid-row: 1; }
  .catalog-note { margin-left: 45px; }
}

@media (max-width: 390px) {
  .brand { gap: 7px; }
  .brand-name { font-size: 17px; }
  .site-nav { gap: 12px; font-size: 12px; }
  .hero h1 { font-size: 45px; }
  .art-monogram { width: min(60vw, 240px); }
  .product-hero h1 { font-size: 59px; }
}

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