.cube-guide{--blue:#355f82;--clay:#b86745;--ink:#263746;color:var(--ink);font-family:Inter,system-ui,sans-serif}.cube-guide *{box-sizing:border-box}.cube-guide h1,.cube-guide h2,.cube-guide h3{font-family:Georgia,serif;line-height:1.08}.cube-guide h1{font-size:clamp(2.2rem,5vw,5.1rem);margin:.35rem 0 1rem}.cube-guide h2{font-size:clamp(1.6rem,3.1vw,3rem);margin:.3rem 0 1rem}.cube-guide p{line-height:1.72}.cube-guide img{display:block;width:100%;height:auto;border-radius:22px}.cube-guide header,.cube-guide section,.cube-guide nav{max-width:1180px;margin:0 auto 4.5rem}.cube-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:3.2rem;align-items:center;padding:3.2rem;background:#edf2f4;border-bottom:8px solid var(--clay)}.cube-hero img{aspect-ratio:4/3;object-fit:cover}.eyebrow{font-size:.76rem;font-weight:800;letter-spacing:.17em;color:var(--clay)}.button{display:inline-block;padding:.9rem 1.25rem;border-radius:8px;background:var(--blue);color:#fff;text-decoration:none;font-weight:750}.cube-plan,.cube-walls,.cube-corner,.cube-panels{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;padding:0 1.5rem}.cube-base,.cube-ratio{display:grid;grid-template-columns:1.1fr .9fr;gap:2.5rem;align-items:center;padding:2.6rem;background:#f3e7df}.cube-ratio{background:#e4edf2}.cube-ratio figure,.cube-fill figure{margin:0}.cube-ratio figcaption,.cube-fill figcaption{font-size:.9rem;color:#5b6570;margin-top:.7rem;line-height:1.45}.cube-fill{display:grid;grid-template-columns:1fr 1fr;gap:2rem;padding:0 1.5rem}.cube-reading{max-width:900px!important;padding:3rem;border:2px solid #c8d6df;background:#fbfcfc}.seo-list{padding-left:1.3rem;line-height:1.65}.cube-finish{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;padding:3rem;background:#d9e5eb}.next-reading{padding:0 1.5rem}.next-reading__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.next-reading__grid a{display:grid;gap:.35rem;padding:1.25rem;border:1px solid #cad5db;color:var(--ink);text-decoration:none}.next-reading__grid span{font-size:1.5rem;color:var(--clay)}@media(max-width:760px){.cube-guide header,.cube-guide section,.cube-guide nav{margin-bottom:2.7rem}.cube-hero,.cube-plan,.cube-base,.cube-walls,.cube-ratio,.cube-corner,.cube-panels,.cube-finish{grid-template-columns:1fr;padding:1.4rem;gap:1.5rem}.cube-fill,.next-reading__grid{grid-template-columns:1fr}.cube-reading{padding:1.4rem}.cube-guide img{border-radius:15px}}