:root{color-scheme:dark;--bg:#070b14;--bg-soft:#111827;--panel:rgba(11,18,33,0.88);--panel-border:rgba(93,114,149,0.24);--text:#edf3ff;--muted:#9cabc9;--cyan:#45d4ff;--magenta:#ff3aa7;--shadow:0 24px 64px rgba(0,0,0,0.38)}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:radial-gradient(circle at top,rgba(92,58,255,.16),transparent 34%),linear-gradient(180deg,#050913,#090e19 50%,#060811);color:var(--text);font-family:Inter,Arial,sans-serif}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.app-shell{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:100vh}.left-rail{padding:28px 22px;border-right:1px solid rgba(125,145,181,.16);background:rgba(4,8,15,.62);position:-webkit-sticky;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:14px;margin-bottom:30px}.band-card h3,.brand strong,.panel h3,.route-card h3,.section-head h2,.topbar h1{letter-spacing:0}.brand span{display:block;color:var(--muted);font-size:.9rem;margin-top:4px}.brand-mark{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(69,212,255,.24),rgba(255,58,167,.28));border:1px solid rgba(108,152,255,.2);font-weight:700}.rail-nav{display:grid;grid-gap:10px;gap:10px}.rail-nav a{padding:12px 14px;border-radius:14px;color:#d7e4ff;background:rgba(13,20,35,.55);border:1px solid transparent}.rail-nav a:hover{border-color:rgba(69,212,255,.24)}.rail-note{margin-top:22px;padding:16px;border-radius:18px;background:rgba(10,18,33,.78);color:var(--muted);font-size:.95rem;line-height:1.55}.workspace{padding:34px 34px 26px}.topbar h1{margin:8px 0 14px;font-size:clamp(2.6rem,5vw,4.6rem);line-height:.98;max-width:11ch}.eyebrow{margin:0;color:var(--cyan);text-transform:uppercase;font-size:.8rem}.intro{margin:0;max-width:70ch;color:var(--muted);line-height:1.7;font-size:1.04rem}.content-grid,.hero-grid{display:grid;grid-gap:22px;gap:22px;margin-top:28px}.hero-grid{grid-template-columns:minmax(0,1.45fr) minmax(320px,.8fr)}.content-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.content-grid.single{grid-template-columns:minmax(0,1fr)}.device-panel,.panel,.summary-panel{border:1px solid var(--panel-border);border-radius:24px;background:var(--panel);box-shadow:var(--shadow)}.device-panel{overflow:hidden}.panel,.summary-panel{padding:24px}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:18px}.section-head h2{margin:0;font-size:1.35rem}.checklist,.process-list,.prose-panel p,.section-head p,.summary-panel p{color:var(--muted);line-height:1.65}.stat-row{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid rgba(119,137,170,.18)}.stat-row strong{text-align:right}.checklist,.process-list{padding-left:18px;margin:18px 0 0}.band-list,.route-grid{display:grid;grid-gap:14px;gap:14px}.route-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.band-card,.route-card{border-radius:18px;padding:18px;background:rgba(17,26,45,.78);border:1px solid rgba(88,114,171,.2)}.band-card h3,.route-card h3{margin:0 0 8px;font-size:1.02rem}.band-card p,.footer,.route-card p{color:var(--muted)}.band-card{display:flex;justify-content:space-between;gap:22px;align-items:flex-start}.band-card strong{color:var(--cyan);white-space:nowrap}.data-table{width:100%;border-collapse:collapse}.data-table td,.data-table th{padding:14px 12px;text-align:left;border-bottom:1px solid rgba(110,127,166,.18);vertical-align:top}.data-table th{color:#bfd9ff;font-weight:600}.footer{margin-top:26px;display:flex;justify-content:space-between;gap:24px;padding:20px 4px 0;font-size:.94rem}@media (max-width:1080px){.app-shell{grid-template-columns:1fr}.left-rail{position:static;height:auto;border-right:0;border-bottom:1px solid rgba(125,145,181,.16)}.content-grid,.hero-grid,.route-grid{grid-template-columns:1fr}}@media (max-width:720px){.workspace{padding:22px 16px 24px}.topbar h1{font-size:2.3rem}.panel,.summary-panel{padding:18px}.band-card,.footer,.section-head,.stat-row{display:block}.stat-row strong{display:block;margin-top:6px;text-align:left}}