/* Shared editorial design for the four Spectra guide articles. */
:root{color-scheme:light;--paper:#fff;--outside:#d8d7d2;--ink:#080808;--muted:#676762;--line:rgba(8,8,8,.14);--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;--sans:Inter,"Helvetica Neue",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--outside);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:focus-visible{outline:2px solid currentColor;outline-offset:4px}
.canvas{width:min(1500px,90vw);margin:clamp(16px,4.1vw,60px) auto;background:var(--paper);border:1px solid var(--line)}.page-rail{margin:0 clamp(14px,2.4vw,36px);border-left:1px solid var(--line);border-right:1px solid var(--line)}
.topbar{display:grid;grid-template-columns:1fr auto 1fr;min-height:76px;border-bottom:1px solid var(--line)}.home-link,.contact-link,.brand{display:flex;align-items:center;min-width:0;padding:0 clamp(12px,2.1vw,30px);font:9px var(--mono);letter-spacing:.12em;text-transform:uppercase}.home-link{justify-self:start;gap:7px}.brand{justify-content:center;font:10px var(--sans);font-weight:450;letter-spacing:.16em;white-space:nowrap}.contact-cell{display:flex;align-items:center;justify-content:flex-end;padding:0 clamp(12px,2.1vw,30px)}.contact-link{min-height:34px;justify-content:center;padding:0 16px;border:1px solid rgba(8,8,8,.38)}
.main{padding-bottom:0}.breadcrumb{display:flex;flex-wrap:wrap;gap:10px;padding:20px clamp(24px,5vw,76px);color:var(--muted);font:9px var(--mono);letter-spacing:.04em}.breadcrumb a:hover,.footer a:hover{color:var(--ink)}
.article-hero{padding:clamp(38px,6vw,88px) clamp(24px,5vw,76px) clamp(30px,4vw,56px);display:grid;grid-template-columns:minmax(0,1.15fr) minmax(270px,.85fr);gap:clamp(36px,7vw,112px);align-items:end}.eyebrow{margin:0;color:var(--muted);font:9px var(--mono);letter-spacing:.18em;text-transform:uppercase}.article-hero h1{margin:22px 0 0;font-size:clamp(54px,8vw,112px);line-height:.88;letter-spacing:-.08em;font-weight:620}.article-hero-side{max-width:480px;padding:0 0 6px 24px;border-left:1px solid var(--line)}.lead{margin:0 0 18px;color:#464642;font-size:15px;line-height:1.8}.back-link{display:inline-flex;align-items:center;gap:8px;padding:0 0 5px;border-bottom:1px solid var(--line);font:9px var(--mono);letter-spacing:.08em;text-transform:uppercase}
.hero-image{margin:0 clamp(24px,5vw,76px);aspect-ratio:2.58/1;overflow:hidden;background:#dededb}.hero-image img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 48%}.article-marker{display:grid;grid-template-columns:minmax(220px,.55fr) minmax(0,1fr);gap:clamp(34px,7vw,110px);padding:clamp(54px,7vw,96px) clamp(24px,5vw,76px) 24px;margin-top:clamp(30px,4vw,56px);border-top:1px solid var(--line)}.article-marker .marker-note{margin:0;color:var(--muted);font:9px var(--mono);letter-spacing:.16em;text-transform:uppercase}
.article-copy{padding:0 clamp(24px,5vw,76px) clamp(28px,5vw,70px)}.article-section{display:grid;grid-template-columns:minmax(220px,.55fr) minmax(0,1fr);gap:clamp(34px,7vw,110px);padding:clamp(38px,5.2vw,74px) 0;border-top:1px solid var(--line)}.article-index{margin:7px 0 0;color:var(--muted);font:9px var(--mono);letter-spacing:.15em;text-transform:uppercase}.article-section h2{max-width:900px;margin:0 0 20px;font-size:clamp(30px,4.3vw,58px);line-height:1.08;letter-spacing:-.055em;font-weight:430}.article-section h3{margin:28px 0 9px;font-size:19px;font-weight:500;letter-spacing:-.025em}.article-section p,.article-section li{max-width:760px;color:#50504b;font-size:15px;line-height:1.85}.article-section p{margin:0 0 16px}.article-section ul,.article-section ol{margin:12px 0 22px;padding-left:22px}.article-section li{padding:4px 0}.article-section a{text-decoration:underline;text-decoration-color:rgba(8,8,8,.35);text-underline-offset:3px}.article-section a:hover{text-decoration-color:currentColor}
.cta-section{display:grid;grid-template-columns:minmax(220px,.55fr) minmax(0,1fr) auto;gap:clamp(24px,5vw,72px);align-items:center;padding:clamp(54px,7vw,100px) clamp(24px,5vw,76px);border-top:1px solid var(--line)}.cta-section h2{max-width:700px;margin:0;font-size:clamp(28px,4vw,52px);font-weight:430;letter-spacing:-.055em;line-height:1.12}.cta-copy{margin:12px 0 0;color:var(--muted);font-size:14px;line-height:1.75}.button{display:inline-flex;min-height:40px;align-items:center;justify-content:center;padding:0 18px;border:1px solid var(--ink);background:var(--ink);color:#fff;font:9px var(--mono);letter-spacing:.09em;text-transform:uppercase;white-space:nowrap;transition:background .2s ease,color .2s ease}.button:hover{background:transparent;color:var(--ink)}
.footer{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px clamp(24px,5vw,76px) 30px;border-top:1px solid var(--line);color:var(--muted);font-size:10px}.footer-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.footer a:hover{color:var(--ink)}
@media(max-width:900px){.article-hero{grid-template-columns:minmax(0,1fr) minmax(220px,.82fr);gap:32px}.article-section,.article-marker{grid-template-columns:minmax(160px,.4fr) minmax(0,1fr);gap:28px}.cta-section{grid-template-columns:minmax(160px,.35fr) minmax(0,1fr) auto;gap:24px}}
@media(max-width:680px){.canvas{width:calc(100% - 20px);margin:10px auto}.page-rail{margin:0 9px}.topbar{grid-template-columns:1fr auto 1fr;min-height:60px}.home-link,.contact-link{font-size:7px;letter-spacing:.045em;padding:0 5px}.brand{font-size:8px;letter-spacing:.08em;padding:0 4px}.contact-cell{padding:0 5px}.contact-link{min-height:31px;padding:0 8px}.breadcrumb{padding:16px 18px;font-size:8px}.article-hero{grid-template-columns:1fr;gap:26px;padding:48px 18px 28px}.article-hero h1{font-size:clamp(48px,13vw,72px)}.article-hero-side{max-width:none;padding:0 0 0 14px}.lead{font-size:14px;line-height:1.72}.hero-image{margin:0 18px;aspect-ratio:1.18/1}.article-marker{grid-template-columns:1fr;gap:10px;margin-top:26px;padding:42px 18px 18px}.article-copy{padding:0 18px 40px}.article-section,.article-marker{grid-template-columns:1fr;gap:14px}.article-section{padding:36px 0}.article-index{margin:0}.article-section h2{font-size:clamp(28px,8vw,40px);margin-bottom:16px}.article-section p,.article-section li{font-size:14px}.cta-section{grid-template-columns:1fr;gap:18px;padding:46px 18px}.cta-section h2{font-size:clamp(28px,8vw,38px)}.cta-section .button{justify-self:start}.footer{align-items:flex-start;flex-direction:column;padding:20px 18px 26px}.footer-links{gap:12px 16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}