.install-hero{padding:88px max(26px,calc((100vw - var(--content-wide))/2)) 96px;display:grid;grid-template-columns:1.15fr .85fr;gap:72px;align-items:center;background:radial-gradient(circle at 82% 12%,#304e92 0,transparent 34%),var(--night);color:#fff}
.install-hero .eyebrow{color:var(--mint)}
.install-hero h1{max-width:760px;margin:14px 0 22px;font-size:var(--font-page-title);line-height:.95;letter-spacing:-.06em}
.install-hero-copy>p{max-width:720px;color:#cbd5ef;font-size:1.17rem}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:11px 18px;border:1px solid transparent;border-radius:11px;font-weight:800;text-decoration:none}
.button.primary{background:var(--blue);color:#fff}
.button.ghost{border-color:#7386bb;color:#fff}
.button.secondary{border-color:#b8c6e8;background:#fff;color:var(--ink)}
.install-summary{padding:30px;border:1px solid rgba(255,255,255,.18);border-radius:21px;background:rgba(255,255,255,.06);box-shadow:0 28px 70px rgba(0,0,0,.28);backdrop-filter:blur(15px)}
.summary-icon{width:44px;height:44px;margin-bottom:23px;display:grid;place-items:center;border-radius:13px;background:rgba(124,232,207,.15);color:var(--mint);font-size:1.35rem;font-weight:900}
.install-summary h2{margin:8px 0 8px;font-size:1.8rem;letter-spacing:-.035em}
.install-summary>p{color:#bdc8e5}
.summary-points{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:23px}
.summary-points span{padding:9px 10px;border:1px solid rgba(255,255,255,.11);border-radius:9px;color:#d7dff4;font-size:.78rem}
.readiness-strip{display:grid;grid-template-columns:repeat(4,1fr);width:min(calc(100% - 52px),var(--content-wide));margin:-28px auto 0;position:relative;z-index:3;border:1px solid var(--line);border-radius:17px;background:#fff;box-shadow:var(--shadow-soft)}
.readiness-strip span{padding:20px 22px;color:var(--muted);font-size:.78rem}
.readiness-strip span+span{border-left:1px solid var(--line)}
.readiness-strip strong{display:block;color:var(--ink);font-size:.9rem}
.guide-shell{width:min(100%,var(--content-wide));margin:0 auto;padding:100px 26px 120px;display:grid;grid-template-columns:205px 1fr;gap:72px;align-items:start}
.guide-nav{position:sticky;top:24px;display:grid;gap:6px;padding:20px;border:1px solid var(--line);border-radius:15px;background:#fff}
.guide-nav strong{margin-bottom:5px;font-size:.74rem;letter-spacing:.11em;text-transform:uppercase}
.guide-nav a{position:relative;margin:0 -9px;padding:9px 12px 9px 18px;border-radius:9px;color:var(--muted);font-size:.87rem;text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease}
.guide-nav a::before{content:"";position:absolute;left:7px;top:50%;width:3px;height:0;border-radius:999px;background:var(--blue);transform:translateY(-50%);transition:height .2s ease}
.guide-nav a:hover{color:var(--blue-dark);background:var(--soft)}
.guide-nav a[aria-current="location"]{color:var(--ink);background:var(--soft);font-weight:850;transform:translateX(3px)}
.guide-nav a[aria-current="location"]::before{height:22px}
.guide-content{min-width:0}
.guide-section{position:relative;padding:15px 0 90px;border-bottom:1px solid var(--line);scroll-margin-top:30px}
.guide-section+.guide-section{padding-top:85px}
.guide-section:last-child{border-bottom:0;padding-bottom:0}
.section-number{position:absolute;right:0;top:0;color:#dbe2f2;font-size:4.2rem;font-weight:900;line-height:1;letter-spacing:-.07em}
.guide-section>.eyebrow{color:var(--blue-dark)}
.guide-section>h2{max-width:700px;margin:10px 0 16px;font-size:clamp(2.2rem,4.3vw,3.5rem);line-height:1.04;letter-spacing:-.05em}
.section-lead{max-width:740px;color:var(--muted);font-size:1.05rem}
.requirement-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:30px}
.requirement-grid article{padding:24px;border:1px solid var(--line);border-radius:17px;background:#fff}
.requirement-grid h3{margin:0 0 12px}
.requirement-grid ul{margin:0;padding-left:19px;color:var(--muted)}
.requirement-grid li+li{margin-top:7px}
code{padding:.1em .32em;border-radius:5px;background:#eef1fa;color:#283961;font-size:.88em}
.hosting-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:30px}
.hosting-grid div{padding:22px;border:1px solid var(--line);border-radius:15px;background:#fff}
.hosting-grid strong,.hosting-grid span,.hosting-grid small{display:block}
.hosting-grid strong{font-size:1.6rem;letter-spacing:-.04em}
.hosting-grid span{margin-top:3px;color:#344362;font-size:.83rem;font-weight:750}
.hosting-grid small{margin-top:7px;color:var(--muted)}
.steps{display:grid;margin-top:32px}
.steps>article{display:grid;grid-template-columns:52px 1fr;gap:21px;padding:26px 0;border-top:1px solid var(--line)}
.steps>article>span{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:var(--soft);color:var(--blue-dark);font-weight:850}
.steps h3{margin:5px 0 7px;font-size:1.2rem}
.steps p{margin:0;color:var(--muted)}
.steps ul{color:var(--muted)}
.alternate-download{margin-top:22px;padding:22px;border:1px solid var(--line);border-radius:15px;background:#f8faff}
.alternate-download .eyebrow{color:var(--blue-dark)}
.alternate-download h4{margin:5px 0 7px;font-size:1.08rem}
.alternate-download p{max-width:700px}
.alternate-download .button{margin-top:14px;min-height:42px;padding:8px 14px;font-size:.84rem}
.code-block{margin-top:16px;padding:13px 13px 13px 16px;display:flex;justify-content:space-between;gap:16px;align-items:center;border-radius:11px;background:#0d1834;color:#dfe6ff}
.code-block code{overflow:auto;background:transparent;color:inherit;white-space:nowrap}
.code-block button{padding:6px 10px;border:1px solid #52668f;border-radius:7px;background:#1a2c55;color:#fff;font-size:.75rem;font-weight:750;cursor:pointer}
.check-list{columns:2;margin-bottom:0}
.routing-panel{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:30px}
.routing-panel>div{padding:23px;border:1px solid var(--line);border-radius:15px;background:#fff}
.routing-panel h3{margin:0 0 6px}
.routing-panel p{margin:0;color:var(--muted)}
.protected-paths{margin-top:16px;padding:20px;display:flex;gap:9px;flex-wrap:wrap;align-items:center;border-radius:14px;background:#fff0f1}
.protected-paths strong{width:100%;color:#852e43}
.protected-paths code{background:#fff;color:#693346}
.after-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:26px}
.after-grid span{padding:14px;border:1px solid var(--line);border-radius:11px;background:#fff;color:#344362;font-weight:700}
.final-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
@media(max-width:900px){.install-hero{grid-template-columns:1fr}
.guide-shell{grid-template-columns:1fr}
.guide-nav{position:static;grid-template-columns:repeat(3,1fr)}
.guide-nav strong{grid-column:1/-1}
}
@media(max-width:700px){.install-hero{padding:62px 20px 72px}
.readiness-strip{width:calc(100% - 28px);grid-template-columns:1fr 1fr}
.readiness-strip span:nth-child(3){border-left:0;border-top:1px solid var(--line)}
.readiness-strip span:nth-child(4){border-top:1px solid var(--line)}
.guide-shell{padding:78px 20px}
.guide-nav{grid-template-columns:1fr 1fr}
.requirement-grid,.hosting-grid,.routing-panel,.after-grid{grid-template-columns:1fr}
.summary-points{grid-template-columns:1fr}
.section-number{font-size:3.2rem}
.check-list{columns:1}
.steps>article{grid-template-columns:44px 1fr;gap:13px}
.code-block{align-items:flex-start;flex-direction:column}
.code-block code{max-width:100%}
}