/* Homepage header and hero only. */
.homepage-top .hero-v21{min-height:auto}
.homepage-top .mainnav .navinner{width:calc(100% - 64px);max-width:none;height:104px;gap:20px}
.homepage-top .mainnav .brand.brand-stack{min-width:220px;flex:0 0 300px;padding:0}
.homepage-top .mainnav .brand.brand-stack img{width:300px;height:90px;object-fit:contain;object-position:left center}
.homepage-top .hero-wide{width:calc(100% - 64px);max-width:1920px;margin:auto;padding:56px 0 76px;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(28px,3vw,64px)}
.homepage-top .hero-v21 .hero-copy{max-width:none;min-width:0}
.homepage-top .hero-v21 .hero-copy h1{font-size:clamp(44px,4.4vw,84px);max-width:none}
.homepage-top .hero-v21 .hero-copy>p{max-width:none;font-size:clamp(18px,1.4vw,23px)}
.homepage-top .hero-live-stage{min-width:0;min-height:0;display:flex;flex-direction:column;gap:0;width:100%}
.homepage-top [hidden]{display:none!important}
.screen-switch{display:flex;gap:6px;margin-bottom:12px}
.screen-switch button,.lab-tools button,.lab-input-row button{font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;border:1px solid #28536b;color:#c7e2ed;background:#0a2c43;border-radius:7px;padding:10px 14px}
.screen-switch button[aria-pressed=true]{background:#2bc6e9;color:#031a2b;border-color:#2bc6e9}
.homepage-top .live-build-monitor{border-radius:20px;min-height:640px}
.homepage-top .live-build-body{grid-template-columns:minmax(0,1fr) minmax(180px,.55fr);min-height:580px}
.homepage-top .live-files{display:none}
.homepage-top .editor-code{overflow-x:auto;font-size:11px}
.homepage-top .live-status{display:flex;padding:10px}
.homepage-top .live-build-topbar{grid-template-columns:40px 1fr auto;gap:10px;padding:0 14px}
.linux-lab{border:1px solid #285a73;border-radius:20px;overflow:hidden;background:#061a29;box-shadow:0 24px 65px #0004;color:#d5eaf2;min-width:0}
.lab-header{display:flex;align-items:center;gap:14px;padding:20px;background:#10344b;font:600 12px Consolas,monospace;flex-wrap:wrap}
.lab-dots{color:#48d9a2;letter-spacing:3px}.lab-badge{margin-left:auto;font-size:10px;color:#56e7af}
.lab-intro{padding:24px 26px 12px}.lab-eyebrow{font-size:10px;letter-spacing:.18em;color:#4dd6f6;font-weight:700}
.linux-lab .lab-intro h2{font-size:clamp(26px,2.3vw,40px);line-height:1.12;margin:12px 0;color:#f1faff;letter-spacing:-.025em}
.lab-intro p{font-size:13px;color:#9cb8c9;line-height:1.6;margin:0}
.lab-lesson{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 26px}
.lab-lesson label{display:block;font-size:9px;letter-spacing:.1em;color:#8bafc2;margin-bottom:7px}
.lab-lesson select{max-width:100%;background:#10334a;color:#e5f6ff;border:1px solid #31596f;border-radius:6px;padding:9px;font-family:inherit;font-size:13px;font-weight:600}
#labProgress{font:12px Consolas,monospace;color:#57e2b1;white-space:nowrap}
.lab-goal{margin:0 26px 15px;font-size:14px;line-height:1.6;color:#dcecf4;min-height:44px}
.lab-terminal{margin:0 26px;border:1px solid #22465c;border-radius:10px;background:#020f1a;overflow:hidden;font:13px/1.65 Consolas,monospace}
.lab-terminal-title{padding:9px 14px;background:#0c2536;color:#7cabc2;font-size:11px;display:flex;justify-content:space-between;gap:8px}
.lab-output{height:175px;overflow:auto;padding:12px 14px;white-space:pre-wrap;overflow-wrap:anywhere;color:#a7d4e6}
.lab-output .command{color:#60e8b2}.lab-input-row{display:flex;align-items:center;border-top:1px solid #1b3b4e;padding:9px 12px;gap:9px;color:#57e2b1}
.lab-input-row input{min-width:0;flex:1;width:100%;border:0;background:transparent;color:#ecfbff;font:inherit;outline-offset:3px}
.lab-input-row button{padding:7px 10px;white-space:nowrap}
.lab-tools{display:flex;gap:8px;flex-wrap:wrap;margin:14px 26px 0}.lab-tools button{font-size:12px;padding:8px 11px}.lab-tools button:disabled{opacity:.45;cursor:default}
.lab-feedback{color:#64e8b5;margin:10px 26px;font-size:12px;line-height:1.6;min-height:20px}
.lab-footer{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid #204156;padding:14px 26px;font-size:10px;color:#86abba}.lab-footer a{color:#52d6f4}
.linux-lab button:focus-visible,.screen-switch button:focus-visible,.linux-lab a:focus-visible,.linux-lab select:focus-visible{outline:2px solid #68deff;outline-offset:3px}
@media(max-width:1250px){.homepage-top .mainnav .navinner{width:calc(100% - 32px);flex-wrap:wrap;height:auto;min-height:100px;padding:8px 0}.homepage-top .mainnav nav{order:3;width:100%;justify-content:center}.homepage-top .mainnav .quote-btn{margin-left:auto}.homepage-top .hero-wide{width:calc(100% - 40px);gap:26px}.homepage-top .hero-points{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:1000px){.homepage-top .hero-wide{grid-template-columns:minmax(0,1fr);padding-top:36px}.homepage-top .hero-v21 .hero-copy{max-width:none}.homepage-top .live-build-body{grid-template-columns:minmax(0,1fr) 240px}.homepage-top .hero-v21 .hero-copy h1{font-size:clamp(42px,7vw,70px)}}
@media(max-width:650px){.homepage-top .mainnav .brand.brand-stack{min-width:0;flex-basis:220px}.homepage-top .mainnav .brand.brand-stack img{width:220px;height:70px}.homepage-top .mainnav .navinner{min-height:86px}.homepage-top .hero-wide{width:calc(100% - 28px);padding-bottom:60px}.lab-intro{padding:20px 16px 8px}.lab-lesson{padding:12px 16px;flex-wrap:wrap}.lab-goal{margin:0 16px 12px}.lab-terminal{margin:0 12px}.lab-tools{margin:12px 16px 0}.lab-feedback{margin:10px 16px}.lab-footer{padding:14px 16px}.lab-header{padding:15px 14px;gap:8px}.lab-header b{font-size:10px}.lab-badge{font-size:8px}.homepage-top .live-build-body{grid-template-columns:minmax(0,1fr)}.homepage-top .live-status{display:none}.homepage-top .live-build-title b{font-size:10px}.lab-output{height:190px}}