.dos-hero{padding:50px 0 42px}.dos-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
.dos-hero h1{font-size:clamp(3.3rem,5.9vw,5.9rem);line-height:.91;letter-spacing:-.055em;margin:12px 0 20px;max-width:760px}.dos-hero .lead{font-size:1.17rem;line-height:1.65;color:#d8dde7}
.hero-photo{width:min(100%,455px);justify-self:end;background:#eee;border:1px solid var(--line);border-radius:26px;overflow:hidden;box-shadow:var(--shadow)}.hero-photo img{display:block;width:100%;height:auto}.credit{padding:8px 11px;background:var(--panel);font-size:.72rem;color:var(--muted)}
.wtf{margin:20px 0;padding:15px 17px;border-left:3px solid #62ff79;background:rgba(98,255,121,.055);border-radius:0 12px 12px 0;font-weight:850}
.fact-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:11px;margin-top:28px}.fact{background:var(--panel);border:1px solid var(--line);border-radius:17px;padding:17px}.fact strong{display:block;color:var(--gold);font-size:1.25rem}.fact small{color:var(--muted)}
.terminal-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.terminal{background:#030805;border:1px solid #25422c;border-radius:22px;padding:22px;box-shadow:0 0 40px rgba(57,255,94,.07) inset;min-height:480px;font-family:"Courier New",monospace;color:#65ff7c;text-shadow:0 0 7px rgba(101,255,124,.3)}
.terminal-head{display:flex;justify-content:space-between;color:#8eaa93;border-bottom:1px solid #17301c;padding-bottom:12px;margin-bottom:17px;font-size:.8rem}.term-output{white-space:pre-wrap;line-height:1.55;min-height:315px}.prompt-line{display:flex;align-items:center;gap:7px}.prompt{font-weight:900;white-space:nowrap}.cmd{flex:1;background:transparent;border:0;outline:0;color:#65ff7c;font:inherit;min-width:0}.term-help{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:22px}.cmd-btn{display:block;width:100%;text-align:left;margin:8px 0;padding:12px;border:1px solid var(--line);border-radius:11px;background:#1b202a;color:#fff;cursor:pointer;font-family:monospace}.cmd-btn:hover{border-color:#65ff7c}.mission{margin-top:20px;padding:14px;border-radius:12px;background:#101720}.mission strong{color:var(--gold)}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:14px}.compare>div{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:22px}.compare strong{font-size:1.5rem}
.quiz{background:linear-gradient(145deg,#171b25,#0c1017);border:1px solid var(--line);border-radius:24px;padding:24px}.quiz-options{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.choice{padding:14px;border:1px solid var(--line);border-radius:12px;background:#202631;color:#fff;font-weight:900;cursor:pointer}.choice.good{outline:2px solid var(--green)}.choice.bad{outline:2px solid #ff6969}.quiz-result{min-height:44px;margin-top:14px;font-weight:850}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:16px 18px;margin:9px 0}.faq summary{font-weight:900;cursor:pointer}.sources{color:var(--muted);border-top:1px solid var(--line);padding-top:20px}.sources a{color:#a9e8ff}
.next-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.next-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:19px;text-decoration:none}.next-card strong{display:block;margin:5px 0}.next-card small{color:var(--muted)}
@media(max-width:820px){.dos-grid,.terminal-wrap,.compare{grid-template-columns:1fr}.hero-photo{justify-self:center;width:min(100%,430px)}.fact-strip{grid-template-columns:1fr 1fr}.dos-hero h1{font-size:clamp(3rem,14vw,5rem)}.terminal{min-height:510px;padding:16px}.quiz-options,.next-cards{grid-template-columns:1fr}}