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.week64-footer{background:#06172c;color:#d3e2ed;padding:58px 0 24px}.week64-footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:44px}.week64-footer-brand>a img{width:235px}.week64-footer-brand p{max-width:360px;color:#91a9ba;font-size:.83rem;margin-top:15px;line-height:1.65}.week64-socials{display:flex;gap:8px;flex-wrap:wrap;margin-top:17px}.week64-social{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 12px;border:1px solid rgba(255,255,255,.14);border-radius:11px;color:#dceaf2;font-size:.75rem;font-weight:850}.week64-social svg{width:18px;height:18px;fill:none;stroke:#dceaf2;stroke-width:1.6}.week64-social:first-child svg{fill:#dceaf2;stroke:none}.week64-social:hover{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.25)}.week64-footer-col h3{color:#fff;font-size:.9rem;letter-spacing:0;margin-bottom:12px}.week64-footer-col a{display:block;color:#9fb4c4;font-size:.79rem;padding:4px 0}.week64-footer-col a:hover{color:#fff}.week64-signature{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-top:20px;font-size:.61rem;color:#86c98d;text-transform:uppercase;letter-spacing:.08em;font-weight:950}.week64-signature i{width:18px;height:1px;background:linear-gradient(90deg,rgba(82,214,87,.55),rgba(43,139,212,.4))}.week64-footer-bottom{margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.09);color:#7891a3;font-size:.7rem}
@media(max-width:1100px){.week64-hero-grid{grid-template-columns:1fr 420px;gap:34px}.week64-hero-panel h1{font-size:4rem}.week64-quarter-grid{grid-template-columns:1fr 1fr}.week64-footer-grid{grid-template-columns:1.2fr 1fr 1fr}.week64-footer-col:last-child{display:none}}
@media(max-width:880px){.week64-page .main-nav,.week64-page .header-cta{display:none}.week64-page .menu-btn{display:block}.week64-page .mobile-nav{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;border-bottom:1px solid var(--w64-line);padding:14px 18px;box-shadow:0 18px 30px rgba(7,26,51,.1)}.week64-page .mobile-nav.is-open{display:grid}.week64-page .mobile-nav a{padding:10px 4px;border-bottom:1px solid #edf1f4;font-weight:800}.week64-hero-grid{grid-template-columns:1fr;min-height:0;padding:42px 0 54px}.week64-compass{justify-self:start;max-width:620px}.week64-section-head{grid-template-columns:1fr;gap:15px}.week64-calc-grid,.week64-convert-grid{grid-template-columns:1fr}.week64-atlas-toolbar{align-items:flex-start;flex-direction:column}.week64-atlas-summary{grid-template-columns:1fr}.week64-selected{grid-template-columns:1fr}.week64-seam-track{grid-template-columns:1fr}.week64-seam-track>i{width:1px;height:24px;justify-self:center;background:linear-gradient(var(--w64-green),var(--w64-blue2))}.week64-seam-track>i:after{content:"↓";right:-7px;top:4px}.week64-method-grid,.week64-related-grid{grid-template-columns:1fr 1fr}.week64-footer-grid{grid-template-columns:1fr 1fr}.week64-footer-brand{grid-column:1/-1}.week64-footer-col:last-child{display:block}}
@media(max-width:640px){:root{--w64-max:min(100% - 24px,1240px)}.week64-page .header-inner{min-height:68px}.week64-page .brand-logo img{width:196px}.week64-page .mobile-nav{top:68px}.week64-hero-grid{padding:28px 0 38px}.week64-hero-panel{padding:18px 17px 16px;border-radius:24px}.week64-hero-panel:before{inset:8px;border-radius:18px}.week64-breadcrumb{margin-bottom:20px;font-size:.74rem}.week64-hero-panel h1{font-size:clamp(2.75rem,13vw,4rem);line-height:.93}.week64-lead{font-size:1rem}.week64-actions{display:grid;grid-template-columns:1fr}.week64-compass{padding:18px;border-radius:22px}.week64-compass-main{grid-template-columns:1fr 118px;min-height:175px}.week64-compass-main>div:first-child strong{font-size:4.2rem}.week64-compass-ring{width:112px;height:112px}.week64-compass-ring b{font-size:2.4rem}.week64-miniweeks{grid-template-columns:repeat(9,1fr)}.week64-calc,.week64-atlas,.week64-convert,.week64-seam,.week64-method,.week64-related,.week64-faq{padding:58px 0}.week64-section-head h2{font-size:2.5rem}.week64-form,.week64-result,.week64-weekform,.week64-weekanswer{padding:18px;border-radius:21px}.week64-form-actions,.week64-result-actions,.week64-quick,.week64-year-nav,.week64-atlas-actions{display:grid;grid-template-columns:1fr}.week64-answer{grid-template-columns:1fr}.week64-answer>div strong{font-size:3.2rem}.week64-range{grid-template-columns:1fr}.week64-range i{width:1px;height:20px;justify-self:center}.week64-range i:after{content:"↓";right:-7px;top:1px}.week64-result-strip{flex-direction:column}.week64-atlas-shell{padding:14px;border-radius:22px}.week64-quarter-grid{grid-template-columns:1fr}.week64-week-grid{grid-template-columns:repeat(7,1fr)}.week64-selected>div:last-child{display:grid;grid-template-columns:1fr 2fr 1fr}.week64-two-fields{grid-template-columns:1fr}.week64-weekanswer-days{grid-template-columns:1fr}.week64-weekanswer-days i{width:1px;height:20px;justify-self:center}.week64-weekanswer-days b:last-child{text-align:left}.week64-method-grid,.week64-example,.week64-related-grid,.week64-faq-grid{grid-template-columns:1fr}.week64-method-note{flex-direction:column}.week64-method-note strong{text-align:left}.week64-footer-grid{grid-template-columns:1fr}.week64-footer-brand{grid-column:auto}.week64-signature{font-size:.56rem;gap:6px}.week64-socials{display:grid;grid-template-columns:1fr 1fr}.week64-social{justify-content:center}}
@media(max-width:360px){.week64-hero-panel h1{font-size:2.55rem}.week64-compass-main{grid-template-columns:1fr 102px}.week64-compass-ring{width:98px;height:98px}.week64-compass-main>div:first-child strong{font-size:3.8rem}.week64-section-head h2{font-size:2.25rem}.week64-week-grid{grid-template-columns:repeat(6,1fr)}}
@media(prefers-reduced-motion:reduce){.week64-page *{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{.site-header,.week64-hero,.week64-calc,.week64-convert,.week64-seam,.week64-method,.week64-related,.week64-faq,.week64-footer,.week64-atlas-actions{display:none!important}.week64-atlas{background:#fff!important;color:#111!important;padding:0}.week64-atlas .week64-section-head h2,.week64-quarter-head span,.week64-quarter-head b,.week64-atlas-summary strong,.week64-selected,.week64-week{color:#111!important}.week64-atlas-shell,.week64-quarter,.week64-atlas-summary div,.week64-week{background:#fff!important;border-color:#ccc!important;box-shadow:none!important}}

/* Release QA: text colors follow the section surface. */
.week64-atlas .week64-micro,.week64-seam .week64-micro{color:#8ed597}