:root{--ink:#17323b;--muted:#587078;--copper:#a65732;--cream:#f6f4ee;--paper:#fcfbf8;--line:#dce4e3;--soft:#eaf0ee;--white:#fff;--shadow:0 22px 55px rgba(23,50,59,.08)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.65 system-ui,-apple-system,"Segoe UI",Arial,sans-serif}
img{display:block;max-width:100%}
a{color:inherit}
a:focus-visible{outline:3px solid var(--copper);outline-offset:4px;border-radius:3px}
.skip-link{position:absolute;left:16px;top:-60px;background:var(--ink);color:#fff;padding:10px 16px;z-index:50}
.skip-link:focus{top:10px}
.container{width:min(1180px,calc(100% - 48px));margin-inline:auto}
.site-header{background:var(--paper);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:91px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex:none;line-height:1}
.brand img{width:46px;height:46px}
.brand strong{display:block;letter-spacing:.18em;font-size:16px;font-weight:800}
.brand small{display:block;margin-top:7px;font-size:11px;letter-spacing:.09em;color:var(--muted)}
nav{display:flex;align-items:center;flex-wrap:wrap;gap:clamp(13px,2.3vw,34px)}
nav a{text-decoration:none;font-size:13px;font-weight:650;white-space:nowrap}
nav a:hover,.footer-inner a:hover,.sources-copy a:hover{color:var(--copper)}
.hero{background:linear-gradient(130deg,#f8f7f2 0%,#f0f4f1 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:38px;align-items:center;min-height:650px;padding-block:72px 86px}
.hero-copy{position:relative;z-index:1}
.eyebrow,.kicker{text-transform:uppercase;letter-spacing:.16em;font-size:11px;font-weight:800;color:var(--copper)}
.eyebrow{display:flex;align-items:center;gap:11px;margin:0 0 28px}
.eyebrow-line{display:inline-block;width:25px;height:1px;background:currentColor}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{line-height:1.18}
h1{font-size:clamp(44px,5.3vw,76px);letter-spacing:-.058em;font-weight:760;margin-bottom:28px;max-width:750px}
h1 em{font-style:normal;color:var(--copper)}
.lead{font-size:clamp(17px,1.6vw,21px);line-height:1.7;color:#425d64;max-width:620px;margin-bottom:30px}
.text-link{display:inline-flex;gap:13px;align-items:center;text-decoration:none;border-bottom:2px solid var(--copper);padding-bottom:5px;font-size:14px;font-weight:750}
.text-link:hover{color:var(--copper)}
.hero-links{display:flex;flex-wrap:wrap;gap:14px 28px;align-items:center}
.hero-art{position:relative;min-height:470px;display:grid;place-items:center;isolation:isolate}
.hero-art::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:#dce9e5;filter:blur(35px);opacity:.65;z-index:-1}
.art-ring{position:absolute;border-radius:50%;border:1px solid rgba(23,50,59,.18)}
.art-ring-outer{width:450px;height:450px}
.art-ring-mid{width:335px;height:335px;border-style:dashed;transform:rotate(14deg)}
.art-ring-inner{width:212px;height:212px;background:var(--paper);box-shadow:var(--shadow);border-color:#e4e8e5}
.art-center{position:relative;width:130px;height:130px;display:grid;place-items:center}
.art-center img{width:128px;height:128px;object-fit:contain}
.orbit-dot{position:absolute;width:13px;height:13px;border-radius:50%;background:var(--copper)}
.orbit-dot-a{top:55px;right:105px}.orbit-dot-b{bottom:78px;left:65px;width:9px;height:9px;background:var(--ink)}
.art-caption{position:absolute;bottom:0;margin:0;color:var(--muted);letter-spacing:.16em;text-transform:uppercase;font-size:11px;font-weight:700}
.section{padding-block:105px;scroll-margin-top:25px}
.section-heading{max-width:660px;margin-bottom:40px}
.section-heading .kicker{margin-bottom:16px}
h2{font-size:clamp(34px,3.6vw,50px);letter-spacing:-.045em;margin-bottom:19px}
.section-heading>p:last-child{font-size:17px;color:var(--muted);line-height:1.7;margin-bottom:0}
.principle-section{background:var(--cream)}
.steps-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.step-card{background:#fff;border:1px solid var(--line);border-top:3px solid var(--copper);padding:32px;min-height:220px}
.step-number{display:block;font-size:11px;letter-spacing:.15em;color:var(--copper);font-weight:850;margin-bottom:24px}
.step-card h3,.guidance-card h3{font-size:22px;letter-spacing:-.03em;margin-bottom:12px}
.step-card p,.guidance-card p{color:var(--muted);margin:0}
.use-section{background:#fff}
.guidance-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.guidance-card{padding:30px;border:1px solid var(--line);background:var(--paper);min-height:275px}
.guidance-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:#dfeae5;color:var(--ink);font-size:26px;line-height:1;margin-bottom:27px}
.care-section{background:var(--ink);color:#fff}
.care-grid{display:grid;grid-template-columns:.75fr 1fr;gap:75px;align-items:start}
.care-grid .section-heading{margin:0}
.care-grid .kicker{color:#efb58c}
.care-grid .section-heading>p:last-child{color:#c7d4d2}
.care-panel{background:#f5f6f2;color:var(--ink);padding:38px 42px;border-radius:4px}
.care-panel ol{margin:0;padding-left:24px}
.care-panel li{padding:0 0 21px 10px;color:#4e656b}
.care-panel li:last-child{padding-bottom:0}
.care-panel li::marker{color:var(--copper);font-weight:800}
.care-panel strong{color:var(--ink)}
.model-section{background:#eaf0ee}
.model-grid{display:grid;grid-template-columns:.9fr 1fr;gap:85px;align-items:start}
.model-grid .section-heading{margin:0}
.source-note{background:#fff;border:1px solid var(--line);padding:36px 40px;box-shadow:var(--shadow);color:#425d64}
.source-note p{margin-bottom:16px}
.source-note p:last-child{margin-bottom:0}
.source-note a{text-decoration-color:var(--copper);text-underline-offset:3px;font-weight:650}
.source-note a:hover{color:var(--copper)}
.note-label{display:block;text-transform:uppercase;letter-spacing:.15em;font-size:11px;font-weight:800;color:var(--copper);margin-bottom:24px}
.source-date{font-size:13px;letter-spacing:.03em;color:var(--muted);margin-top:30px}
.spec-hero{background:linear-gradient(125deg,#f8f7f2,#eaf0ee);padding-block:100px 90px}
.spec-hero-inner{max-width:1180px}
.spec-hero h1{max-width:900px}
.spec-hero .lead{max-width:760px}
.archive-banner{max-width:800px;border-left:4px solid var(--copper);background:#fff;padding:20px 24px;color:#415b62;box-shadow:var(--shadow)}
.archive-banner strong{color:var(--ink)}
.spec-section{background:#fff}
.spec-grid,.accessory-grid{display:grid;grid-template-columns:.72fr 1fr;gap:75px;align-items:start}
.spec-grid .section-heading,.accessory-grid .section-heading{margin:0}
.spec-list{margin:0;border-top:2px solid var(--ink)}
.spec-list>div{display:grid;grid-template-columns:160px 1fr;gap:24px;padding:19px 4px;border-bottom:1px solid var(--line)}
.spec-list dt{font-weight:750;color:var(--ink)}
.spec-list dd{margin:0;color:#425d64}
.accessory-section{background:var(--cream)}
.accessory-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.accessory-list li{background:#fff;border:1px solid var(--line);padding:18px 20px;color:#425d64;min-height:83px;display:flex;align-items:center}
.spec-source-section{background:#eaf0ee}
.spec-source-inner .section-heading{max-width:790px}
.spec-source-inner .section-heading a{color:var(--ink);text-decoration-color:var(--copper);text-underline-offset:3px}
.site-footer{background:var(--ink);color:#e7ecea;padding-block:27px}
.footer-inner{display:flex;gap:18px;justify-content:space-between;align-items:center;font-size:12px;letter-spacing:.03em}
.footer-inner a{text-decoration:none;font-weight:700}
@media(max-width:950px){.hero-grid{grid-template-columns:1fr;min-height:auto;padding-block:75px}.hero-art{min-height:385px}.art-ring-outer{width:360px;height:360px}.art-ring-mid{width:280px;height:280px}.art-ring-inner{width:190px;height:190px}.steps-grid,.guidance-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.care-grid,.model-grid,.spec-grid,.accessory-grid{gap:45px}}
@media(max-width:700px){.container{width:min(100% - 32px,1180px)}.header-inner{align-items:flex-start;flex-direction:column;gap:17px;padding-block:18px}nav{gap:8px 18px}nav a{font-size:12px}.hero-grid{padding-block:58px 65px;gap:0}.hero-art{min-height:330px}.hero-art::before{width:290px;height:290px}.art-ring-outer{width:310px;height:310px}.art-ring-mid{width:245px;height:245px}.art-ring-inner{width:165px;height:165px}.art-center,.art-center img{width:100px;height:100px}.orbit-dot-a{top:16px;right:40px}.orbit-dot-b{bottom:35px;left:25px}.art-caption{font-size:9px}.section{padding-block:74px}.steps-grid,.guidance-grid,.care-grid,.model-grid,.spec-grid,.accessory-grid{grid-template-columns:1fr;gap:18px}.care-grid .section-heading,.model-grid .section-heading,.spec-grid .section-heading,.accessory-grid .section-heading{margin-bottom:16px}.step-card,.guidance-card{min-height:0;padding:26px}.care-panel,.source-note{padding:28px}.spec-hero{padding-block:65px}.archive-banner{padding:18px}.spec-list>div{grid-template-columns:115px 1fr;gap:16px}.accessory-list{grid-template-columns:1fr}.accessory-list li{min-height:0}.footer-inner{align-items:flex-start;flex-direction:column;gap:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}