.install-hero { max-width: 1180px; margin: auto; padding: clamp(68px, 8vw, 112px) clamp(20px, 5vw, 72px) 48px; }
.install-hero .breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font: 700 9px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.install-hero .breadcrumbs a { color: var(--forest); text-decoration: none; }
.install-hero h1 { max-width: 900px; margin: 18px 0 20px; font-size: clamp(46px, 7vw, 82px); line-height: .96; letter-spacing: -.065em; }
.install-hero h1 em { color: var(--forest); font-family: var(--serif); font-weight: 500; }
.install-hero > p { max-width: 760px; color: var(--muted); font-size: clamp(17px, 2vw, 20px); line-height: 1.65; }
.install-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 25px; }
.install-badges span { padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; background: var(--paper); font: 700 8px var(--mono); letter-spacing: .05em; text-transform: uppercase; }
.platform-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; max-width: 1180px; margin: 0 auto; padding: 12px clamp(20px, 5vw, 72px) 110px; }
.platform-card { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 18px; padding: 25px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); text-decoration: none; transition: transform .2s ease, border-color .2s ease; }
.platform-card:hover { transform: translateY(-3px); border-color: var(--forest); }
.platform-card > span { display: grid; width: 46px; height: 46px; place-items: center; border-radius: 13px; background: color-mix(in srgb, var(--signal) 24%, var(--paper)); font: 800 12px var(--mono); }
.platform-card h2 { margin: 0 0 5px; font-size: 21px; letter-spacing: -.035em; }
.platform-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.platform-card > b { color: var(--forest); }
.install-layout { display: grid; grid-template-columns: minmax(0, 770px) 250px; gap: 72px; max-width: 1120px; margin: auto; padding: 0 clamp(20px, 5vw, 72px) 110px; }
.install-body { min-width: 0; }
.install-body h2 { margin: 58px 0 16px; font-size: clamp(29px, 4vw, 43px); line-height: 1.05; letter-spacing: -.045em; }
.install-body h3 { margin: 30px 0 9px; font-size: 21px; letter-spacing: -.025em; }
.install-body p, .install-body li { color: var(--muted); font-size: 16px; line-height: 1.75; }
.install-body strong { color: var(--ink); }
.install-body a { color: var(--forest); font-weight: 750; }
.install-note { margin: 24px 0; padding: 19px 21px; border: 1px solid var(--line); border-left: 4px solid var(--forest); border-radius: 0 13px 13px 0; background: var(--paper); }
.install-note p { margin: 0; font-size: 14px; }
.install-progress { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 27px 0 38px; }
.install-progress div { padding: 12px; border: 1px solid var(--line); border-radius: 11px; background: var(--paper); }
.install-progress span, .install-progress b { display: block; }
.install-progress span { color: var(--forest); font: 800 9px var(--mono); }
.install-progress b { margin-top: 5px; font-size: 10px; }
.code-panel { overflow: hidden; margin: 23px 0; border: 1px solid var(--line); border-radius: 15px; background: #0e1b14; box-shadow: 0 16px 42px rgba(16, 45, 30, .11); }
.code-panel header { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 10px 12px 10px 16px; border-bottom: 1px solid rgba(255,255,255,.12); color: #b9cfc0; font: 700 8px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.code-panel button { padding: 8px 10px; border: 1px solid rgba(255,255,255,.18); border-radius: 8px; background: rgba(255,255,255,.08); color: white; cursor: pointer; font: 750 9px inherit; }
.code-panel pre { margin: 0; padding: 22px; overflow-x: auto; color: #d9f1e1; font: 13px/1.7 var(--mono); }
.code-panel code { font: inherit; }
.verify-card { margin: 34px 0; padding: 25px; border-radius: 17px; background: #10251b; color: white; }
.verify-card span { color: var(--signal); font: 700 9px var(--mono); letter-spacing: .09em; }
.verify-card h3 { margin: 8px 0; }
.verify-card p { margin: 0; color: #bfd2c5; font-size: 14px; }
.troubleshooting { padding: 23px 26px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); }
.troubleshooting li { padding: 5px 0; }
.guide-nav { position: sticky; top: 102px; align-self: start; padding: 19px; border: 1px solid var(--line); border-radius: 15px; background: var(--paper); }
.guide-nav > b { display: block; margin-bottom: 11px; font: 700 9px var(--mono); letter-spacing: .09em; text-transform: uppercase; }
.guide-nav a { display: block; padding: 7px 0; color: var(--muted); text-decoration: none; font-size: 12px; }
.guide-nav a[aria-current="page"] { color: var(--forest); font-weight: 800; }
.install-cta { margin-top: 52px; padding: 29px; border-radius: 18px; background: color-mix(in srgb, var(--signal) 20%, var(--paper)); border: 1px solid var(--line); }
.install-cta h2 { margin-top: 0; }
.install-cta a { display: inline-block; margin: 4px 8px 0 0; padding: 11px 15px; border-radius: 9px; background: var(--ink); color: var(--cream); text-decoration: none; font-size: 12px; }
@media (max-width: 850px) {
  .platform-grid, .install-layout { grid-template-columns: 1fr; }
  .guide-nav { position: static; order: -1; }
  .install-progress { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .install-hero h1 { font-size: 45px; }
  .platform-card { grid-template-columns: auto 1fr; padding: 19px; }
  .platform-card > b { display: none; }
  .install-progress { grid-template-columns: 1fr; }
  .code-panel pre { padding: 17px; font-size: 11px; }
}