/* Shared curriculum pages: all lesson content also works without JavaScript. */
.course-site{--accent:#ff956f}.course-site :focus-visible{outline:2px solid var(--accent);outline-offset:5px}.course-site .section-wrap{max-width:1560px;margin-inline:auto}.course-site .header .desktop-nav .active:after{background:var(--accent)}.course-site .section-kicker{color:var(--accent);font-size:12px}.breadcrumb{display:flex;gap:12px;align-items:center;flex-wrap:wrap;color:#b0bac4;font-size:13px;margin-bottom:44px}.breadcrumb>a:hover{color:var(--accent)}.breadcrumb>span:not([aria-current]){color:#526270}.breadcrumb [aria-current]{color:#e4e6e8}.course-hero{padding-top:28px;padding-bottom:0;background:radial-gradient(ellipse at 80% 50%,#17212a60,transparent 60%)}.course-hero-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(320px,.85fr);gap:7%;align-items:center}.course-eyebrow{display:flex;align-items:center;flex-wrap:wrap;gap:11px;font-size:12px;color:#b6c0c8;letter-spacing:.06em}.course-eyebrow i{font-style:normal;color:#4b5a66}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px color-mix(in srgb,var(--accent),transparent 55%)}.course-intro h1{font:600 clamp(66px,6.8vw,102px)/.98 var(--display);letter-spacing:-.015em;margin:27px 0 25px}.course-intro h1.long-title{font-size:clamp(53px,5.25vw,78px);max-width:630px}.course-intro h1>span{display:block;color:var(--accent);font-size:clamp(26px,2.6vw,39px);letter-spacing:.02em;line-height:1.2;margin-top:16px}.course-lead{font-size:18px;line-height:1.65;color:#a8b3bd;max-width:540px;margin:0 0 30px}.course-button{background:var(--accent,#ff956f);color:#0b1116;border:1px solid transparent;gap:22px;min-height:50px;transition:filter .2s,transform .2s;font-weight:600}.course-button:hover{filter:brightness(1.12);transform:translateY(-2px)}.course-button svg{width:19px}.instrument{background:linear-gradient(145deg,#141e27b0,#0e151ca0);border:1px solid 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span{font:14px var(--body);color:#d3d9de}.telemetry-skills p span:before{content:'+';color:var(--accent);margin-right:7px}.curriculum{padding-top:67px;padding-bottom:65px}.curriculum-heading,.directory-heading{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:36px}.curriculum-heading h2,.directory-heading h2{font-size:clamp(35px,3.4vw,50px);margin-top:14px;line-height:1.1}.curriculum-heading>p,.directory-heading>p{margin:0;color:#96a5b2;font-size:15px;line-height:1.65}.curriculum-layout{display:grid;grid-template-columns:235px minmax(0,1fr);gap:40px;align-items:start}.curriculum-sidebar{position:sticky;top:24px}.curriculum-sidebar>.mono{color:#718596;font-size:11px}.curriculum-sidebar nav{display:flex;flex-direction:column;gap:3px;margin-top:16px;border-left:1px solid var(--line)}.curriculum-sidebar nav a{font-size:14px;line-height:1.45;color:#a6b2bd;display:flex;gap:13px;padding:12px 15px;border-left:2px solid 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var(--body);height:100%;border-radius:0}.search-field input::placeholder{color:#91a1ae}.search-field kbd{font:12px var(--mono);border:1px solid #3c4a55;color:#8293a0;padding:0 6px}.expand-all{color:#bfccd6;font-size:13px;padding:12px 0;white-space:nowrap;min-width:110px;text-align:right}.expand-all:hover{color:var(--accent)}.unit{border:1px solid #2c3a46;background:linear-gradient(120deg,#111b24,#0c141b);margin-bottom:14px;scroll-margin-top:24px}.unit summary{display:flex;align-items:center;gap:22px;padding:23px;cursor:pointer;list-style:none}.unit summary::-webkit-details-marker{display:none}.unit summary:focus-visible{outline-offset:-3px}.unit-number{font-size:17px;color:var(--accent);align-self:flex-start;margin-top:7px}.unit-title{flex:1;min-width:0}.unit-title>.mono{font-size:10px;color:#8094a5;letter-spacing:.07em}.unit h3{font:600 28px/1.18 var(--display);margin:6px 0 0;overflow-wrap:anywhere}.unit-toggle{border:1px solid 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var(--display);margin:0}.empty-state p{color:#93a5b4}.source-note{display:grid;grid-template-columns:1fr 1.7fr;gap:40px;border-top:1px solid var(--line);margin-top:60px;padding-top:30px}.source-note .mono{font-size:10px;color:#899eaf;letter-spacing:.07em}.source-note h2{font:500 27px/1.15 var(--display);margin-top:13px;max-width:230px}.source-note p{color:#91a3b1;font-size:13px;line-height:1.8;margin:0 0 12px}.source-links{display:flex;flex-direction:column;gap:8px;margin-top:17px}.source-links a{font-size:12px;color:#b7c9d6;text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}.source-links a:hover{color:var(--accent)}.related{background:#0d141a;border-top:1px solid var(--line);padding-top:50px;padding-bottom:65px}.related-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}.related-heading .mono{color:#97a8b6;font-size:11px}.related-heading h2{font-size:39px;margin-top:10px}.related-heading>a{display:flex;align-items:center;gap:13px;font-size:14px;white-space:nowrap}.related-heading>a svg{width:18px;color:var(--accent)}.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.course-card{display:flex;flex-direction:column;background:linear-gradient(145deg,#141d25,#0f171e);border:1px solid #34424d;padding:24px;min-height:307px;position:relative;transition:border-color .2s,transform .2s;overflow:hidden;--accent:#ff956f}.course-card:before{content:'';position:absolute;left:-1px;top:-1px;width:21px;height:21px;border-left:2px solid var(--accent);border-top:2px solid var(--accent);opacity:.75}.course-card:hover{border-color:var(--accent);transform:translateY(-4px)}.course-card-top{display:flex;align-items:center;justify-content:space-between;color:#8c9aa8;min-height:42px}.course-card-top .mono{font-size:11px}.course-glyph{color:var(--accent);font:500 36px/1 var(--display);opacity:.85}.course-card-copy{margin:24px 0 25px;flex:1}.course-card .card-category{color:var(--accent);font-size:10px}.course-card h3{font:600 33px/1.05 var(--display);margin:10px 0 14px;max-width:300px}.course-card p{font-size:15px;line-height:1.55;color:#9daab6;margin:0;max-width:280px}.course-card-foot{display:flex;align-items:center;justify-content:space-between;gap:7px;border-top:1px solid var(--line);padding-top:17px;color:#b1bfca;font-size:12px}.course-card-foot i{font-style:normal;color:#546575;margin-inline:6px}.course-card-foot svg{color:var(--accent);width:18px;flex-shrink:0}.hub-hero{position:relative;isolation:isolate;overflow:hidden;min-height:590px;padding-top:26px;padding-bottom:60px;max-width:none!important}.hub-art{position:absolute;inset:0;z-index:-2;background:linear-gradient(90deg,#090d11 12%,#090d11d9 38%,#090d112b 75%),linear-gradient(0deg,#090d11 0%,transparent 35%),url('/assets/aviation-hero.png') 80% 51%/cover no-repeat;opacity:.85}.hub-hero h1{font:600 clamp(78px,7.9vw,117px)/.94 var(--display);letter-spacing:-.015em;margin:30px 0 23px}.hub-hero h1 span{color:var(--accent)}.hub-hero-copy>p{font-size:18px;color:#aab8c4;line-height:1.65;margin-bottom:28px}.hub-hero-copy{position:relative;z-index:1}.hub-flight-note{position:absolute;right:7.3%;bottom:68px;color:#a6b6c2;font-size:10px;border-left:1px solid var(--accent);padding-left:17px}.hub-flight-note strong{display:block;color:#e2e8eb;font:500 24px var(--display);letter-spacing:.05em;margin:7px 0}.hub-stats{display:grid;grid-template-columns:1fr 1fr 1fr 1.35fr;border-block:1px solid var(--line);background:#0f171e;padding:24px 7.3%;gap:24px}.hub-stats>div{display:flex;gap:17px;align-items:center;border-right:1px solid var(--line)}.hub-stats strong{font:500 38px/1 var(--display);color:var(--accent)}.hub-stats span{font:11px/1.5 var(--mono);color:#9badbb}.hub-stats .hub-stat-program{display:block;border:0}.hub-stat-program strong{font-size:21px;display:block;color:#d5dee5;margin-top:8px}.course-directory{padding-top:62px;padding-bottom:65px}.directory-tools{display:flex;justify-content:space-between;align-items:center;gap:25px;border-bottom:1px solid var(--line);padding-bottom:23px;margin-bottom:18px}.course-filters{display:flex;gap:7px;flex-wrap:wrap}.course-filters button{font-size:13px;padding:10px 15px;border:1px solid #374551;color:#b0bfcb;transition:.2s}.course-filters button[aria-pressed=true]{background:#ff956f;color:#0c1319;border-color:#ff956f}.course-filters button:hover{border-color:var(--accent)}.directory-tools .search-field{flex:0 1 230px;min-width:190px;height:43px}.hangar-return{border-top:1px solid var(--line);background:linear-gradient(110deg,#18222b,#10151b);display:flex;align-items:center;justify-content:space-between;gap:30px;padding-block:47px}.hangar-return .mono{color:var(--accent);font-size:11px}.hangar-return h2{font-size:39px;margin-top:12px}.hangar-return p{color:#a2b3c0;margin-bottom:0;font-size:15px}.hangar-return .button{border:1px solid #65717a;font-size:14px;gap:22px;white-space:nowrap}.hangar-return .button:hover{border-color:var(--accent);color:var(--accent)}
@media(min-width:1600px){.hub-hero-copy,.hub-hero>.breadcrumb{margin-left:max(0px,calc((100vw - 1360px)/2 - 7.3vw))}}
@media(max-width:1100px){.course-hero-grid{gap:4%;grid-template-columns:minmax(0,1.1fr) minmax(300px,.85fr)}.curriculum-layout{grid-template-columns:200px minmax(0,1fr);gap:28px}.curriculum-heading>p br,.directory-heading>p br{display:none}.curriculum-heading>p,.directory-heading>p{max-width:300px}.course-telemetry{gap:22px}.course-telemetry>div{padding-right:22px}.course-grid{gap:14px}.course-card{padding:21px}.directory-tools{flex-wrap:wrap}.directory-tools .search-field{flex:1}.hub-stats{padding-inline:5%}.hub-flight-note{right:5%}.unit summary{gap:16px}.unit-body{margin-left:59px}}
@media(max-width:780px){.course-hero{padding-top:24px;padding-bottom:0}.breadcrumb{margin-bottom:30px;font-size:12px;gap:9px}.course-hero-grid{grid-template-columns:1fr;gap:32px}.course-eyebrow{font-size:10px;gap:8px}.course-intro h1{font-size:68px;margin:24px 0 20px}.course-intro h1.long-title{font-size:56px}.course-intro h1>span{font-size:29px;margin-top:12px}.course-lead{font-size:16px;max-width:540px;margin-bottom:25px}.instrument{display:grid;grid-template-columns:38% 62%}.instrument-top,.instrument-bottom{grid-column:1/-1;padding:12px 17px;font-size:10px}.subject-diagram{height:100%;min-height:180px;align-self:center}.instrument-note{padding:23px 18px 23px 5px;align-self:center}.instrument-note h2{font-size:23px}.instrument-note p{font-size:13px}.course-telemetry{flex-wrap:wrap;gap:15px 25px;padding:20px 0;margin-top:32px}.course-telemetry strong{font-size:36px}.course-telemetry>div{padding-right:25px}.course-telemetry>div:nth-child(2){border:0}.course-telemetry .telemetry-skills{flex-basis:100%;border-top:1px solid var(--line);padding-top:13px}.telemetry-skills p{gap:8px 18px}.telemetry-skills p span{font-size:12px}.curriculum{padding-top:43px;padding-bottom:43px}.curriculum-heading,.directory-heading{display:block;margin-bottom:25px}.curriculum-heading h2,.directory-heading h2{font-size:36px;margin-top:12px}.curriculum-heading>p,.directory-heading>p{font-size:14px;max-width:none;margin-top:14px}.curriculum-layout{grid-template-columns:1fr;gap:21px}.curriculum-sidebar{position:static}.curriculum-sidebar nav{flex-direction:row;gap:8px;overflow-x:auto;border:0;margin-top:10px;padding:3px 3px 10px;scrollbar-width:thin}.curriculum-sidebar nav a{flex-shrink:0;max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block;border:1px solid #354553;padding:9px 13px;font-size:12px}.curriculum-sidebar nav a span{margin-right:8px}.curriculum-sidebar .sidebar-source{display:none}.curriculum-sidebar>.mono{font-size:10px}.curriculum-tools{gap:10px;margin-bottom:16px}.search-field{padding:0 11px;height:46px;gap:8px}.search-field input{font-size:14px}.search-field kbd{display:none}.expand-all{font-size:12px;min-width:92px}.unit summary{padding:20px 16px;gap:13px}.unit-number{font-size:14px;margin-top:5px}.unit-title>.mono{font-size:9px}.unit h3{font-size:25px}.unit-toggle{width:25px;height:25px}.unit-body{margin:0 17px;padding-bottom:17px}.topic-list li{font-size:14px;padding-block:11px}.unit-source{font-size:11px}.source-note{grid-template-columns:1fr;gap:20px;margin-top:38px;padding-top:26px}.source-note h2{font-size:27px;max-width:none;margin-top:10px}.source-note p{font-size:12px}.source-links a{font-size:12px}.related{padding-top:36px;padding-bottom:40px}.related-heading{align-items:start;flex-direction:column;gap:18px}.related-heading h2{font-size:35px}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.course-card{padding:19px;min-height:285px}.course-card h3{font-size:29px}.course-card-copy{margin:19px 0 23px}.course-card .card-category{font-size:9px;letter-spacing:.03em}.course-card-top .mono{font-size:10px}.course-glyph{font-size:31px}.course-card p{font-size:14px}.course-card-foot{font-size:11px}.hub-hero{padding-top:24px;padding-bottom:45px;min-height:650px}.hub-hero h1{font-size:clamp(70px,12vw,91px)}.hub-hero-copy>p{font-size:16px;max-width:370px}.hub-art{background:linear-gradient(90deg,#090d11eb 2%,#090d11b0 60%,#090d1180 100%),linear-gradient(0deg,#090d11 1%,transparent 45%),url('/assets/aviation-hero.png') 65% 50%/cover no-repeat}.hub-flight-note{bottom:35px;left:6%;right:auto;font-size:9px}.hub-flight-note strong{display:inline;margin:0 13px 0 0;font-size:18px}.hub-flight-note>span:first-child{display:none}.hub-stats{grid-template-columns:1fr 1fr;padding:23px 6%;gap:23px 20px}.hub-stats strong{font-size:33px}.hub-stats span{font-size:10px}.hub-stats>div:nth-child(2){border:0}.hub-stat-program strong{font-size:18px}.course-directory{padding-top:42px;padding-bottom:45px}.directory-tools{gap:17px;padding-bottom:19px}.course-filters{gap:7px}.course-filters button{font-size:12px;padding:9px 12px}.directory-tools .search-field{flex-basis:100%}.directory-status{font-size:12px}.hangar-return{padding-block:36px;align-items:start;flex-direction:column;gap:22px}.hangar-return h2{font-size:35px}.hangar-return p{font-size:14px}}
@media(max-width:520px){.course-grid{grid-template-columns:1fr}.course-card{min-height:260px;padding:23px}.course-card-top{min-height:35px}.course-card h3{font-size:32px;max-width:none}.course-card-copy{margin:19px 0 24px}.course-card p{max-width:none}.course-card-foot{font-size:12px}.course-card .card-category{font-size:10px}.course-card-top .mono{font-size:11px}.course-glyph{font-size:34px}.course-intro h1{font-size:62px}.course-intro h1.long-title{font-size:51px}.course-intro h1>span{font-size:26px}.course-telemetry{gap:14px}.course-telemetry>div{gap:10px;padding-right:17px}.course-telemetry span{font-size:9px}.course-telemetry .telemetry-skills span{font-size:11px}.instrument{grid-template-columns:33% 67%}.instrument-note h2{font-size:22px}.instrument-note p{font-size:12px}.instrument-top,.instrument-bottom{font-size:9px}.hub-hero{min-height:640px}.hub-hero h1{font-size:72px}.hub-hero-copy>p br{display:none}.hub-hero-copy>p{max-width:290px}.hub-flight-note{bottom:34px}.source-links a{line-height:1.7}.unit-title>.mono{letter-spacing:.04em}}
@media(prefers-reduced-motion:reduce){.course-card:hover,.course-button:hover{transform:none}}
@media print{.header,.footer,.curriculum-sidebar,.curriculum-tools,.related,.instrument,.course-button,.hangar-return,.source-links,.course-hero>.breadcrumb{display:none!important}.course-site{background:white;color:black}.course-site .section-wrap{padding:20px}.course-hero-grid,.curriculum-layout,.source-note{display:block}.course-intro h1{font-size:40px}.unit,.unit-body{border-color:#999;background:white}.topic-list li,.course-lead,.source-note p{color:#222}.unit h3{color:black}.unit{break-inside:avoid}.unit-body{margin-left:25px}.course-telemetry{margin-top:20px}.course-hero{background:none}}
.learning-note{margin:0 0 22px;padding:15px 18px;border-left:2px solid var(--accent);background:#17232c80;color:#b0c0cc;font-size:14px;line-height:1.65}.expand-all:disabled{opacity:.45;cursor:default}
/* Let the mobile route strip scroll inside its grid cell. */
.curriculum-sidebar,.curriculum-content{min-width:0}
@media(max-width:780px){.curriculum-layout,.course-hero-grid{grid-template-columns:minmax(0,1fr)}}