@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;650;700;750;800&display=swap');
:root{--bg:#131416;--panel:#1d1f22;--line:#34363b;--text:#f4f3f0;--muted:#b0b2b9;--amber:#f2bc68;--blue:#65b9f5;--ink:#202025}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.65 Manrope,Arial,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--amber);outline-offset:5px}a,button{transition:background .18s,color .18s,transform .18s}a:hover{color:var(--amber)}.wrap{max-width:1240px;margin:auto;padding:0 40px}.header{height:100px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:30px}.brand{display:flex;align-items:center;gap:10px;font-size:23px;letter-spacing:-1px;font-weight:800;line-height:1}.brand small{font-size:10px;letter-spacing:2px;font-weight:500;display:block;margin-top:7px;color:var(--muted)}.brandmark{width:36px;height:40px;background:var(--amber);clip-path:polygon(50% 0,95% 18%,88% 68%,50% 100%,12% 68%,5% 18%);position:relative}.brandmark:after{content:'';position:absolute;width:11px;height:14px;left:13px;top:10px;border-right:3px solid #202025;border-bottom:3px solid #202025;transform:rotate(40deg)}nav{display:flex;align-items:center;gap:30px}nav a{font-size:13px;color:var(--muted);min-height:44px;display:flex;align-items:center}nav a.active{color:var(--text)}.navcta{border:1px solid #65666b;border-radius:100px;padding:8px 20px!important;color:var(--text)!important}.eyebrow{text-transform:uppercase;letter-spacing:2px;font-size:10px;font-weight:700;color:var(--muted);display:flex;align-items:center;gap:10px}.dot{width:6px;height:6px;background:var(--amber);border-radius:50%;display:inline-block}h1,h2,h3,p{margin:0}h1{font-size:64px;line-height:1.08;font-weight:500;letter-spacing:-3.7px}h2{font-size:32px;line-height:1.2;letter-spacing:-1.1px;font-weight:500}h3{font-size:20px;line-height:1.35;font-weight:600;letter-spacing:-.5px}.muted{color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;border:0;border-radius:9px;padding:14px 23px;min-height:50px;background:var(--amber);color:var(--ink);font-size:13px;font-weight:750}.btn:hover{background:#ffd18f;color:var(--ink);transform:translateY(-2px)}.btn.secondary{background:transparent;border:1px solid #595b62;color:var(--text)}.btn.secondary:hover{background:#2a2c30}.arr{font-size:21px;line-height:1;font-weight:400}.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;padding:56px 0 48px;align-items:center}.hero h1{margin:24px 0}.hero h1 em{font-style:normal;color:var(--blue)}.hero p{max-width:440px;font-size:15px;line-height:1.8;color:var(--muted)}.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:30px}.hero-facts{display:flex;gap:28px;margin-top:30px;color:var(--muted);font-size:11px}.hero-facts span{display:flex;align-items:center;gap:7px}.hero-facts b{color:var(--text);font-size:16px;font-weight:500}.hero-art{height:436px;background:var(--blue);border-radius:22px;position:relative;overflow:hidden;color:var(--ink)}.hero-art .overline{position:absolute;top:26px;left:27px;font-size:10px;letter-spacing:2px;line-height:1.4;font-weight:700}.hero-art .art-plus{position:absolute;right:25px;top:20px;font-size:28px}.orbits{position:absolute;border:1px solid #d3ebff35;border-radius:50%;width:365px;height:365px;top:35px;left:58px}.orbits:before,.orbits:after{content:'';position:absolute;border:1px solid #d3ebff35;border-radius:50%;inset:35px}.orbits:after{inset:75px}.shield{position:absolute;top:80px;left:50%;transform:translateX(-50%) rotate(-10deg);width:213px;height:249px;background:linear-gradient(125deg,#eff8ff,#a9dbff 35%,#15699f 75%,#d4edff);clip-path:polygon(50% 0,96% 18%,92% 61%,80% 80%,50% 100%,20% 80%,8% 61%,4% 18%);filter:drop-shadow(0 20px 25px #06355355)}.shield:before{content:'';position:absolute;inset:9px;background:linear-gradient(130deg,#a7d9fa,#176da5 70%,#93c9ee);clip-path:inherit}.shield:after{content:'';position:absolute;width:42px;height:73px;left:89px;top:60px;border-right:14px solid #eff8ff;border-bottom:14px solid #eff8ff;transform:rotate(42deg)}.float-card{position:absolute;bottom:66px;left:24px;background:#f3efe8;box-shadow:0 9px 22px #20202512;border-radius:12px;padding:16px 19px;font-size:12px;transform:rotate(-5deg)}.float-card b{display:block;font-size:14px}.tiny-check{display:inline-grid;place-items:center;background:var(--amber);border-radius:50%;width:26px;height:26px;margin-right:8px}.float-tag{position:absolute;right:20px;top:105px;border:1px solid #b4ddfa70;background:#2c82bd;border-radius:100px;padding:8px 16px;font-size:11px;transform:rotate(8deg)}.art-bottom{position:absolute;bottom:23px;left:26px;right:26px;display:flex;justify-content:space-between;font-size:10px;letter-spacing:1px}.art-bottom span:last-child{font-size:16px}.feature-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}.feature{background:var(--panel);border:1px solid var(--line);padding:24px;border-radius:14px;display:flex;align-items:flex-start;gap:18px}.feature .symbol{color:var(--blue);font-size:25px;line-height:1.2}.feature h3{font-size:15px;margin:0 0 7px}.feature p{font-size:12px;color:var(--muted);line-height:1.6}.section{padding:54px 0}.sectionhead{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}.sectionhead .eyebrow{margin-bottom:13px}.textlink{font-size:12px;display:inline-flex;align-items:center;gap:20px;min-height:44px}.module-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.modulecard{display:flex;flex-direction:column;min-height:218px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:24px}.modulecard:hover{background:#282a2f;color:var(--text)}.modulecard .number{font-size:12px;color:var(--blue);margin-bottom:28px}.modulecard h3{font-size:19px}.modulecard .meta{margin-top:auto;padding-top:23px;display:flex;justify-content:space-between;color:var(--muted);font-size:11px}.startband{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:32px;background:var(--amber);color:var(--ink);border-radius:14px;margin:0 0 54px}.startband h2{font-size:26px}.startband p{font-size:13px;margin-top:8px}.startband .btn{background:var(--ink);color:var(--text)}footer{border-top:1px solid var(--line);padding:25px 0 28px;display:flex;justify-content:space-between;color:var(--muted);font-size:10px;gap:15px}.crumbs{display:flex;flex-wrap:wrap;gap:10px;font-size:11px;color:var(--muted);padding:30px 0}.pagehead{padding:12px 0 34px}.pagehead h1{font-size:49px;letter-spacing:-2.3px;margin:14px 0}.pagehead p{color:var(--muted);max-width:660px;font-size:14px}.catalog-layout{display:grid;grid-template-columns:245px 1fr;gap:32px;align-items:start;padding-bottom:54px}.sidebar{border:1px solid var(--line);border-radius:14px;padding:23px;background:var(--panel)}.sidebar .eyebrow{margin-bottom:20px;font-size:9px}.sidebar a{display:flex;gap:13px;align-items:center;font-size:12px;padding:12px 0}.sidebar a span{color:var(--blue);font-size:10px}.sidebar .side-note{margin-top:18px;border-top:1px solid var(--line);padding-top:20px;font-size:11px;color:var(--muted)}.sidebar .side-note strong{display:block;color:var(--text);font-size:24px;font-weight:500;margin-bottom:6px}.module{scroll-margin-top:25px;margin-bottom:20px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--panel)}.modulehead{padding:22px 25px;background:#202b34;display:flex;gap:20px;align-items:center}.modulehead .badge{display:grid;place-items:center;width:42px;height:42px;flex-shrink:0;border-radius:10px;color:var(--blue);background:#65b9f515;font-size:15px}.modulehead h2{font-size:21px;letter-spacing:-.5px}.modulehead p{font-size:11px;color:var(--muted);margin-top:4px}.lesson-row{display:flex;align-items:center;gap:15px;min-height:78px;padding:17px 25px;border-top:1px solid var(--line)}.lesson-row:hover{background:#282a30}.lesson-row .num{color:#a6a8b0;font-size:11px;min-width:18px}.lesson-row .row-title{font-size:13px;font-weight:600}.lesson-row .row-title small{font-weight:400;font-size:10px;display:block;color:var(--muted);margin-top:3px}.lesson-row .duration{font-size:11px;color:var(--muted);margin-left:auto;white-space:nowrap}.lesson-row .row-arrow{font-size:17px;color:var(--blue)}.catalog-note{font-size:11px;color:var(--muted);padding-top:8px}.lesson-head{max-width:850px;padding:10px 0 27px}.lesson-head h1{font-size:43px;line-height:1.14;letter-spacing:-1.8px;margin:14px 0 18px}.lesson-meta{display:flex;gap:20px;color:var(--muted);font-size:11px}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 292px;gap:25px;align-items:start;padding-bottom:50px}.video{aspect-ratio:16/9;border-radius:15px;position:relative;overflow:hidden;background:#65b9f5;color:var(--ink);padding:28px}.video .video-no{position:absolute;right:30px;bottom:20px;font-size:140px;line-height:1;letter-spacing:-12px;color:#b6e1ff55;font-weight:500}.video .video-label{font-size:9px;letter-spacing:2px;font-weight:700}.video h2{font-size:30px;letter-spacing:-1px;line-height:1.15;margin-top:27px;max-width:340px;position:relative;z-index:1}.play{position:absolute;right:38px;top:43%;width:66px;height:66px;background:var(--amber);border:0;border-radius:50%;color:var(--ink);font-size:23px;box-shadow:0 4px 22px #22222218}.play:hover{transform:scale(1.06);background:#ffd18f}.playerbar{position:absolute;bottom:0;left:0;right:0;background:#17171be8;padding:12px 20px;display:flex;justify-content:space-between;color:#e7f2fa;font-size:10px}.demo-caption{font-size:10px;color:var(--muted);padding:10px 0 0}.lesson-aside{display:flex;flex-direction:column;gap:17px}.lesson-aside .sidebar{padding:21px}.lesson-aside .sidebar a{font-size:11px;padding:13px 0;line-height:1.5;border-bottom:1px solid var(--line)}.lesson-aside .sidebar a.current{color:var(--amber)}.lesson-aside .sidebar a:last-of-type{border-bottom:0}.download-card{padding:23px;border-radius:14px;background:var(--amber);color:var(--ink)}.download-card .file-label{font-size:10px;text-transform:uppercase;letter-spacing:1.5px}.download-card h3{font-size:20px;margin:14px 0 8px}.download-card p{font-size:11px;line-height:1.7}.download-card a{margin-top:19px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid #20202535;padding-top:15px;font-size:12px;font-weight:700;min-height:44px}.download-card a:hover{color:#68410e}.article-nav{display:flex;gap:26px;margin:23px 0 27px;border-bottom:1px solid var(--line);font-size:12px}.article-nav a{padding:10px 0 13px}.article-nav a:first-child{border-bottom:2px solid var(--blue);color:var(--blue)}article h2{font-size:25px;margin-bottom:15px}article p{color:#c5c5cc;font-size:14px;line-height:1.9;margin-bottom:18px}article h3{font-size:17px;margin:26px 0 12px}.takeaways{margin:0;padding:0;list-style:none}.takeaways li{padding:11px 0 11px 27px;position:relative;color:#c5c5cc;font-size:13px;border-bottom:1px solid #34363b80}.takeaways li:before{content:'↗';position:absolute;left:0;color:var(--blue)}.quote{background:var(--panel);border-left:2px solid var(--blue);padding:22px 24px;margin:24px 0;border-radius:0 10px 10px 0}.quote p{font-size:16px;color:var(--text);margin:0}.quote small{display:block;color:var(--muted);font-size:10px;margin-bottom:9px}.practice{padding:25px;border:1px solid var(--line);border-radius:14px;margin:28px 0}.practice .eyebrow{color:var(--blue)}.practice h3{margin:12px 0}.practice p{margin:0;font-size:13px}.lesson-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:24px;margin-top:30px}dialog{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:18px;padding:30px;max-width:440px;width:calc(100% - 32px)}dialog::backdrop{background:#000b}dialog h2{font-size:24px}dialog p{font-size:14px;color:var(--muted);margin:18px 0 25px}.skip{position:absolute;left:20px;top:-70px;z-index:10;background:var(--amber);color:var(--ink);padding:12px}.skip:focus{top:8px}.mobile-menu{display:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(min-width:1400px){.wrap{max-width:1320px}.hero{gap:72px}h1{font-size:70px}.hero-art{height:450px}}
@media(max-width:1000px){.wrap{padding:0 28px}h1{font-size:52px}.hero{gap:25px}.hero-art{height:408px}.module-grid{grid-template-columns:repeat(2,1fr)}.lesson-layout{grid-template-columns:minmax(0,1fr) 255px}.video{padding:22px}.video h2{font-size:24px;max-width:230px}.play{right:20px;width:54px;height:54px}.catalog-layout{grid-template-columns:210px 1fr;gap:20px}.feature{padding:20px;gap:12px}}
@media(max-width:760px){.wrap{padding:0 20px}.header{height:84px;gap:15px}.brand{font-size:20px}.brandmark{width:30px;height:34px}.brandmark:after{left:10px;top:8px}.brand small{font-size:8px}nav{gap:18px}nav a{font-size:11px}.navcta{display:none!important}.hero{grid-template-columns:1fr;padding:34px 0 25px;gap:27px}h1{font-size:47px;letter-spacing:-2.5px}.hero h1{margin:19px 0}.hero p{font-size:14px}.hero .actions{margin-top:24px;gap:10px}.btn{padding:13px 18px;font-size:12px}.hero-facts{margin-top:24px;gap:24px}.hero-art{height:335px}.shield{top:45px;width:180px;height:211px}.shield:after{left:75px;top:52px;width:32px;height:58px;border-width:11px}.orbits{width:300px;height:300px;left:50%;top:18px;transform:translateX(-50%)}.float-card{bottom:49px;font-size:10px;padding:12px;left:18px}.float-card b{font-size:12px}.float-tag{font-size:9px;top:90px;right:13px}.art-bottom{bottom:17px}.feature-grid{grid-template-columns:1fr;gap:10px}.feature{padding:21px}.feature .symbol{min-width:27px}.feature p{font-size:12px}.section{padding:37px 0}.sectionhead{align-items:start;gap:12px}.sectionhead h2{font-size:27px}.sectionhead .textlink{font-size:10px;gap:8px;white-space:nowrap;margin-top:22px}.module-grid{gap:10px}.modulecard{padding:20px 17px;min-height:205px}.modulecard h3{font-size:17px}.modulecard .number{margin-bottom:21px}.modulecard .meta{font-size:10px;gap:5px}.startband{padding:25px;display:block;margin-bottom:35px}.startband h2{font-size:25px}.startband .btn{margin-top:22px}footer{font-size:9px;flex-wrap:wrap}.crumbs{padding:23px 0;font-size:10px}.pagehead{padding:5px 0 27px}.pagehead h1{font-size:40px;letter-spacing:-1.8px}.pagehead p{font-size:13px}.catalog-layout{display:flex;flex-direction:column;gap:20px;padding-bottom:35px}.catalog-layout>.sidebar{width:100%;padding:17px 20px}.catalog-layout>.sidebar .eyebrow{margin-bottom:8px}.catalog-layout>.sidebar a{display:inline-flex;padding:7px 9px 7px 0;font-size:10px;gap:5px}.catalog-layout>.sidebar .side-note{display:none}.catalog-main{width:100%}.modulehead{padding:20px 18px;gap:12px}.modulehead h2{font-size:19px}.lesson-row{padding:16px 18px;gap:12px}.lesson-row .row-title{font-size:12px}.lesson-row .duration{font-size:10px}.lesson-row .row-arrow{display:none}.lesson-head h1{font-size:36px;letter-spacing:-1.5px}.lesson-head{padding-top:5px}.lesson-meta{gap:15px;font-size:10px}.lesson-layout{display:flex;flex-direction:column;gap:23px}.lesson-main{display:contents}.video{width:100%;padding:20px;order:1;min-height:206px}.video h2{font-size:24px;max-width:235px;margin-top:20px}.video .video-label{font-size:8px}.video .video-no{font-size:112px;right:25px}.play{right:22px;top:42%;width:49px;height:49px;font-size:19px}.playerbar{padding:9px 15px;font-size:9px}.demo-caption{order:2;padding:0;margin-top:-15px}.lesson-aside{order:3;width:100%;gap:16px}.lesson-aside .sidebar{padding:20px}.lesson-aside .sidebar .eyebrow{margin-bottom:9px}.lesson-aside .sidebar a{padding:11px 0}.download-card{padding:22px}.download-card h3{margin:8px 0}.download-card a{margin-top:12px}.article-nav{order:4;width:100%;margin:0;gap:25px}article{order:5;width:100%}article h2{font-size:24px}article p{font-size:14px}.lesson-bottom{align-items:start}.lesson-bottom .textlink{font-size:10px}.lesson-bottom .btn{font-size:11px;gap:10px}.eyebrow{font-size:9px;letter-spacing:1.5px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.lesson-topnav{display:flex;justify-content:space-between;align-items:center;gap:16px;border:1px solid var(--line);background:var(--panel);border-radius:10px;padding:4px 18px;margin:0 0 27px}.lesson-topnav a{display:flex;align-items:center;gap:12px;min-height:44px;font-size:12px;color:var(--text)}.lesson-topnav a:hover{color:var(--amber)}.topnav-count{font-size:11px;color:var(--muted);white-space:nowrap}@media(max-width:760px){.lesson-topnav{padding:4px 12px;gap:8px;margin-bottom:23px}.lesson-topnav a{font-size:11px;gap:6px}.topnav-count{font-size:10px}}

/* Official logo geometry; prototype palette adaptation. */
.brand{gap:24px;letter-spacing:0;flex-shrink:0}.brand-logo{display:block;width:210px;height:auto}.brand-course{border-left:1px solid var(--line);padding-left:22px;font-size:11px;line-height:1.6;font-weight:500;letter-spacing:0;color:var(--muted)}
@media(max-width:1000px){.brand{gap:15px}.brand-logo{width:180px}.brand-course{padding-left:15px;font-size:10px}.header nav{gap:18px}.header .navcta{display:none!important}}
@media(max-width:760px){.header{height:auto;min-height:140px;flex-wrap:wrap;padding:21px 0 12px;gap:12px}.brand{width:100%;gap:15px;justify-content:space-between}.brand-logo{width:165px}.brand-course{font-size:9px;padding-left:12px;line-height:1.5}.header nav{width:100%;justify-content:flex-end;gap:25px}.header nav a{min-height:32px}.video .video-label{letter-spacing:1px}}
@media(max-width:370px){.brand-logo{width:145px}.brand-course{font-size:8px;padding-left:9px}.brand{gap:9px}}

/* Astro-Volga blue and warm amber. Lighter blue for text on graphite. */
:root{--brand-blue:#0067B1}
.hero-art,.video{background:var(--brand-blue);color:#f4f8fc}
.lesson-video-frame{width:100%;aspect-ratio:16/9;border-radius:15px;overflow:hidden;background:#090a0c}.lesson-video-frame iframe{display:block;width:100%;height:100%;border:0}.video-missing{display:flex;flex-direction:column;justify-content:flex-start}.video-missing p{position:absolute;left:28px;bottom:24px;max-width:280px;color:#f4f8fc;font-size:13px;z-index:1}
.material-links a{gap:12px;line-height:1.35}.material-links a>span:first-child{min-width:0}.material-links small{display:block;margin-top:5px;font-size:9px;font-weight:600;text-transform:uppercase;letter-spacing:.8px;opacity:.62}.material-links .arr{flex-shrink:0}
.float-card{color:var(--ink)}.tiny-check{color:var(--ink)}
.float-tag{color:#f4f8fc}.video .video-no{color:#b6e1ff55}
.playerbar{background:#111b25ed}.hero h1 em{color:var(--blue)}

.hero-video{min-width:0;border:0;border-radius:0;overflow:hidden;background:transparent}.hero-video-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:23px 24px}.hero-video-service{font-size:10px;font-weight:800;letter-spacing:1.5px;color:var(--text)}.hero-video-frame{position:relative;aspect-ratio:16/9;background:#0b0d10}.hero-video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.hero-video-footer{padding:19px 24px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:9px;font-size:10px;color:var(--muted)}.hero-video-footer a{color:var(--amber);display:inline-flex;align-items:center;min-height:44px;font-size:11px}@media(max-width:760px){.hero-video{border-radius:0}.hero-video-heading{padding:18px}.hero-video-footer{padding:12px 18px;gap:0}.hero-video-footer>span{width:100%}}
/* Desktop hero: video spans from descriptor to the bottom of the actions. */
@media(min-width:1001px){
.hero{grid-template-columns:minmax(390px,.85fr) minmax(0,1.4fr);column-gap:40px;row-gap:0;align-items:stretch}
.hero>div:first-child{display:contents}
.hero>div:first-child>*{grid-column:1}
.hero>div:first-child>.eyebrow{grid-row:1}
.hero h1{grid-row:2;font-size:clamp(52px,4.3vw,62px);letter-spacing:-2.8px}
.hero>div:first-child>p{grid-row:3}
.hero .actions{grid-row:4;gap:10px}
.hero .actions .btn{padding-left:17px;padding-right:17px;gap:15px;font-size:12px}
.hero .hero-facts{grid-row:5}
.hero>.hero-video{grid-column:2;grid-row:1 / 5;align-self:stretch}
.hero-video-frame{height:100%;aspect-ratio:auto;min-height:350px}
}

/* Three-course learning path */
.course-grid{grid-template-columns:repeat(3,1fr)}
.course-section{scroll-margin-top:24px;margin-bottom:58px}
.course-title{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;padding:28px 28px 25px;margin-bottom:16px;border-radius:16px;background:var(--brand-blue);color:#fff}
.course-title h2{font-size:34px;margin:7px 0 5px}
.course-title p{font-size:12px;color:#d8ebf8}
.course-title .btn.secondary{border-color:#ffffff70;color:#fff}
.course-index{font-size:10px;letter-spacing:2px;text-transform:uppercase}
.course-section .module{margin-left:18px}
.course-section .modulehead h3{font-size:21px}
@media(max-width:760px){
 .course-grid{grid-template-columns:1fr}
 .course-title{display:block;padding:23px 20px}
 .course-title h2{font-size:28px}
 .course-title .btn{margin-top:18px;width:100%}
 .course-section{margin-bottom:42px}
 .course-section .module{margin-left:0}
 .course-section .modulehead h3{font-size:18px}
}