@charset "UTF-8";
:root{--ink:#111e2c;--night:#080f19;--blue:#9dccf2;--muted:#596674;--paper:#f6f6f2;--red:#c93e2e;--line:#d8dddf;--green:#22755b;--max:1280px;font-family:'Segoe UI',Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default}button,a,input,summary{ -webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #368cd0;outline-offset:5px}img{display:block;max-width:100%}button{color:inherit}button svg{pointer-events:none}button:disabled{opacity:.45}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}.skip{position:absolute;top:-100px;left:12px;z-index:20;background:#fff;padding:12px}.skip:focus{top:12px}#main:focus{outline:none}
.preview-bar{background:#e6ebed;color:#4a5c6a;font-size:11px;letter-spacing:.3px;padding:9px max(24px,calc((100% - var(--max))/2));display:flex;justify-content:space-between;gap:16px}.preview-bar b{font-size:10px;letter-spacing:1.4px;margin-right:12px}.site-header{padding:22px max(30px,calc((100% - var(--max))/2));display:flex;gap:25px;align-items:center;justify-content:space-between;background:var(--night);color:#f1f5f8;min-height:90px;border-bottom:1px solid #ffffff13}.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.8px;font-size:17px;flex-shrink:0}.brand small{display:block;font-size:9px;letter-spacing:3.9px;font-weight:600;color:#9cc3df;margin-top:5px}.brand-mark{background:#fff;border-radius:5px;padding:5px;display:grid;place-items:center}.brand-mark img{object-fit:contain}.desktop-nav{display:flex;gap:30px;align-items:center;font-size:14px;color:#bac5d2}.desktop-nav a{padding:10px 0}.desktop-nav a:hover,.desktop-nav a.active{color:#fff}.desktop-nav a.active{box-shadow:0 2px #d15142}.account-link{font-size:13px;display:flex;align-items:center;gap:10px;border:1px solid #ffffff30;padding:12px 17px;border-radius:6px}.account-dot{width:7px;height:7px;background:var(--blue);border-radius:50%}.account-link:hover{background:#ffffff10}.menu-toggle{display:none;border:1px solid #ffffff40;border-radius:4px;background:transparent;width:43px;height:43px;padding:11px}.menu-toggle span{display:block;height:1px;background:#fff;margin:5px 0}.mobile-nav{background:#101c29;padding:8px 22px 20px;color:#fff}.mobile-nav a{display:block;padding:15px;border-bottom:1px solid #ffffff20}
.shell{max-width:var(--max);margin:auto;padding:0 30px}.eyebrow{text-transform:uppercase;letter-spacing:2px;font-weight:650;font-size:11px;display:flex;align-items:center;gap:10px}.eyebrow:before{content:'';height:6px;width:6px;border-radius:50%;background:var(--red);flex-shrink:0}.eyebrow.light{color:#aacbe4}.eyebrow.light:before{background:#9ecff2}.btn{display:inline-flex;align-items:center;justify-content:center;gap:26px;min-height:51px;padding:15px 23px;border:1px solid transparent;border-radius:5px;font-size:14px;font-weight:650;transition:background .18s,transform .18s}.btn:hover{transform:translateY(-2px)}.btn.primary{background:var(--red);color:#fff}.btn.primary:hover{background:#b33225}.btn.light{background:#f1f6fa;color:#132538}.btn.light:hover{background:#d9edfc}.btn.secondary{border-color:#b8c4cd;background:transparent}.btn.ghost-light{color:#e6f1fa;background:transparent;border-color:#7d97ab66}.btn.dark{background:var(--ink);color:#fff}.btn .arr,.arr{font-size:20px;line-height:1}.text-link{display:inline-flex;align-items:center;gap:12px;font-size:14px;font-weight:650;padding:12px 0;border-bottom:1px solid currentColor}.actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.hero{background:var(--night);color:#fff;position:relative;isolation:isolate;overflow:hidden}.hero-art{position:absolute;right:0;top:0;width:53%;height:100%;object-fit:cover;object-position:center 61%;z-index:-3}.hero:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#080f19 25%,#080f19e6 43%,#080f1910 72%),linear-gradient(0deg,#080f19 0%,#080f1900 18%);z-index:-2}.hero-layout{position:relative;min-height:640px;padding-top:70px;padding-bottom:78px;display:flex;align-items:flex-start}.hero-copy{max-width:650px;width:60%;position:relative;z-index:1}.hero h1{font-size:clamp(46px,5.35vw,78px);line-height:1.05;letter-spacing:-3px;font-weight:650;margin:26px 0 25px}.hero h1 em{font-style:normal;color:var(--blue)}.hero-copy>p{max-width:455px;font-size:17px;line-height:1.75;color:#b6c6d5;margin-bottom:31px}.hero-note{font-size:12px!important;color:#91a5b7!important;margin-top:19px!important}.hero-scene{position:absolute;right:33px;bottom:45px;max-width:276px;padding:19px 22px;background:#07111bd9;border:1px solid #a5c9e33d;backdrop-filter:blur(16px);border-radius:9px;transform:rotate(-2deg)}.hero-scene small{display:block;color:#a7c6de;font-size:10px;letter-spacing:1.7px;margin-bottom:10px}.hero-scene p{font-size:16px;line-height:1.5;margin:0}.hero-scene span{display:block;font-size:12px;color:#a3b8cb;margin-top:13px}.hero-scene:before{content:'';position:absolute;height:36px;width:2px;background:#8ec7ed;left:-1px;top:25px}.trust-strip{background:#101c29;color:#c9d6e2;border-top:1px solid #ffffff0e}.trust-strip .shell{display:flex;justify-content:space-between;gap:24px;padding-top:22px;padding-bottom:22px}.trust-strip span{font-size:12px;display:flex;align-items:center;gap:10px}.trust-strip i{color:var(--blue);font-style:normal;font-size:15px}
.section{padding-top:74px;padding-bottom:76px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:30px}.section h2,.course-body h2{font-size:clamp(30px,3.5vw,44px);font-weight:620;letter-spacing:-1.5px;line-height:1.12;margin:16px 0 0}.section-heading>p{max-width:310px;font-size:14px;line-height:1.7;color:var(--muted);margin:0}.topic-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:29px}.topic-tabs button{border:1px solid #d0d8dd;border-radius:40px;background:transparent;color:#465663;padding:11px 19px;font-size:13px;min-height:44px}.topic-tabs button[aria-pressed=true]{background:#152838;border-color:#152838;color:#fff}.topic-tabs button:hover{border-color:#54738d}.course-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.course-card{border:1px solid #d5dce0;border-radius:9px;overflow:hidden;background:#fff;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}.course-card:hover{transform:translateY(-5px);box-shadow:0 17px 35px #1c344a12}.course-thumb{height:190px;background:#0a1624;position:relative;overflow:hidden}.course-thumb img{height:100%;width:100%;object-fit:cover;object-position:50% 67%;transition:transform .45s}.course-card:hover .course-thumb img{transform:scale(1.035)}.course-thumb:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,#07101bc4,transparent 75%)}.thumb-label{position:absolute;left:17px;bottom:16px;z-index:1;color:#e5f4ff;font-size:10px;letter-spacing:1.8px;text-transform:uppercase}.course-thumb .symbol{position:absolute;right:17px;top:17px;color:#fff;z-index:1;font-size:22px}.course-card-body{padding:22px 20px 19px;display:flex;flex-direction:column;flex:1}.course-card h3{font-size:21px;line-height:1.22;letter-spacing:-.6px;font-weight:650;margin:0 0 13px}.course-card-body>p{font-size:13px;line-height:1.75;color:var(--muted);margin:0 0 24px}.course-card-bottom{margin-top:auto;border-top:1px solid #e7ebed;padding-top:17px;display:flex;align-items:center;justify-content:space-between;gap:8px}.course-card-bottom strong{font-size:17px}.course-card-bottom small{font-size:10px;color:var(--muted);display:block;font-weight:400;margin-top:3px}.course-card-bottom a{font-size:12px;font-weight:650;padding:10px 0}.catalog-foot{margin-top:25px;display:flex;justify-content:space-between;gap:20px;align-items:center}.catalog-foot p{font-size:12px;color:var(--muted)}.learning-teaser{background:#e8edf0}.learning-teaser .shell{display:grid;grid-template-columns:1fr 1fr;gap:85px;align-items:center}.learning-teaser h2{max-width:490px}.learning-teaser .intro{line-height:1.75;color:var(--muted);max-width:470px;margin:22px 0 28px}.mini-steps{display:flex;gap:9px;margin-bottom:25px;flex-wrap:wrap}.mini-steps span{background:#fff;padding:9px 12px;border-radius:4px;font-size:11px;color:#415665}.conversation-card{background:#fff;border-radius:15px;box-shadow:0 18px 60px #243c4e13;transform:rotate(1.5deg);padding:24px 26px;max-width:490px;position:relative}.conversation-card:before{content:'';position:absolute;left:-13px;bottom:-13px;right:13px;top:13px;border:1px solid #a9c0ce;border-radius:15px;z-index:-1}.chat-person{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid #edf0f2}.avatar{display:grid;place-items:center;background:#dce8f0;color:#2c546f;width:40px;height:40px;border-radius:50%;font-size:14px;font-weight:650;flex-shrink:0}.chat-person strong{font-size:13px;display:block}.chat-person small{font-size:10px;color:#71808c}.bubble{margin:22px 45px 0 0;background:#f0f3f5;border-radius:0 13px 13px 13px;padding:17px 20px;font-size:15px;line-height:1.6}.bubble.sent{background:#e0edf7;margin:16px 0 0 50px;border-radius:13px 0 13px 13px}.conversation-card .chat-caption{font-size:11px;color:#516d81;margin:24px 0 0;display:flex;gap:8px;align-items:center}.game-section{background:#0a1420;color:#fff;overflow:hidden}.game-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:75px;align-items:center}.game-layout h2{font-size:46px}.game-layout p{color:#aabfce;line-height:1.75;font-size:15px;max-width:390px}.game-preview{position:relative;border:1px solid #314a60;border-radius:11px;overflow:hidden;transform:perspective(1000px) rotateY(-7deg);box-shadow:0 25px 80px #0008}.game-preview img{width:100%;aspect-ratio:1.75;object-fit:cover}.game-preview:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,#050e19b3,transparent)}.game-caption{position:absolute;bottom:17px;left:21px;color:#dff3ff;font-size:10px;text-transform:uppercase;letter-spacing:2px;z-index:1}.company-line{display:flex;justify-content:space-between;align-items:center;gap:25px;padding-top:48px;padding-bottom:48px}.company-line h3{font-size:25px;margin:6px 0}.company-line p{color:var(--muted);font-size:14px}.site-footer{background:#e9edee;padding:30px max(30px,calc((100% - var(--max))/2));display:flex;align-items:center;justify-content:space-between;gap:25px;color:#52616d}.site-footer .brand{font-size:13px;color:#152431}.site-footer .brand small{font-size:7px;letter-spacing:2px;color:#536e7d}.site-footer p,.site-footer>span{font-size:11px}
.breadcrumb{font-size:12px;color:#8ba5b8;padding-top:28px}.breadcrumb a:hover{text-decoration:underline}.course-hero{background:var(--night);color:#fff;overflow:hidden}.course-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;padding-top:46px;padding-bottom:70px;align-items:center}.course-title h1{font-size:clamp(42px,5vw,68px);letter-spacing:-2.6px;line-height:1.04;margin:22px 0}.course-title>p{font-size:16px;line-height:1.8;color:#b4c7d6;max-width:530px}.course-title .meta{display:flex;gap:18px;flex-wrap:wrap;color:#d4e7f4;font-size:12px;margin:25px 0 31px}.course-title .meta span+span:before{content:'·';margin-right:18px;color:#6b859b}.course-visual{position:relative;isolation:isolate;height:405px;border-radius:14px;overflow:hidden;background:#10273c;border:1px solid #6584a038}.course-visual>img{width:100%;height:100%;object-fit:cover;object-position:center 65%;position:absolute;z-index:-2;opacity:.75}.course-visual:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,#081321e0,transparent);z-index:-1}.floating-message{margin:60px 27px 0;padding:19px 21px;background:#f5f8faf2;border:1px solid #fff;border-radius:10px;color:#253d50;max-width:315px;box-shadow:0 10px 32px #0003;transform:rotate(-3deg)}.floating-message small{font-size:10px;letter-spacing:1px;display:block;color:#58728b;margin-bottom:10px}.floating-message p{font-size:16px;line-height:1.5;margin:0}.visual-caption{position:absolute;bottom:25px;left:27px;right:27px;font-size:23px;line-height:1.3;letter-spacing:-.5px}.visual-caption small{display:block;font-size:10px;letter-spacing:1.6px;color:#a9cbe3;margin-bottom:10px}.course-body{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:75px;padding-top:60px;padding-bottom:75px}.course-body h2{font-size:32px;margin:0 0 22px}.outcomes{list-style:none;padding:0;margin:0 0 45px}.outcomes li{display:flex;gap:15px;padding:13px 0;font-size:15px;line-height:1.65}.outcomes li:before{content:'✓';color:var(--green);font-weight:700;flex-shrink:0}.syllabus{border-top:1px solid var(--line)}.syllabus details{border-bottom:1px solid var(--line)}.syllabus summary{list-style:none;padding:21px 0;display:flex;gap:15px;align-items:center;cursor:pointer;font-size:15px;font-weight:600}.syllabus summary::-webkit-details-marker{display:none}.syllabus summary:after{content:'+';margin-left:auto;font-size:22px;font-weight:400}.syllabus details[open] summary:after{content:'−'}.syllabus summary span{color:#70889a;font-size:12px;font-weight:400}.syllabus details p{margin:0 0 24px 34px;color:var(--muted);font-size:14px;line-height:1.8}.price-card{background:#fff;border:1px solid #d5dde2;border-radius:10px;padding:28px;align-self:start;position:sticky;top:25px}.price-card .price{font-size:45px;letter-spacing:-2px;font-weight:650;margin:15px 0 2px}.price-card .price span{font-size:24px}.price-card>small{font-size:12px;color:var(--muted)}.price-card ul{padding-left:18px;font-size:13px;line-height:2;color:#49606f;margin:23px 0}.price-card .btn{width:100%}.price-card .subnote{font-size:11px;line-height:1.6;color:#71808c;margin:17px 0 0;text-align:center}.course-extra{background:#e8eef2;padding:25px;border-radius:9px;margin-top:30px}.course-extra h3{margin:0 0 8px;font-size:17px}.course-extra p{font-size:14px;line-height:1.75;color:var(--muted);margin:0}
.lesson-shell{max-width:1120px;margin:auto;padding:28px 30px 70px}.lesson-topline{display:flex;gap:20px;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:23px;font-size:12px;color:var(--muted)}.lesson-topline a{color:#263f54;font-weight:600}.lesson-topline span{color:#6a7f8d}.lesson-grid{display:grid;grid-template-columns:210px minmax(0,1fr);gap:52px;margin-top:32px}.lesson-aside h2{font-size:16px;line-height:1.4;margin:8px 0 23px}.lesson-aside ol{list-style:none;padding:0;margin:0}.lesson-aside li{padding:14px 0;display:flex;align-items:center;gap:12px;color:#6b7e8d;font-size:12px}.step-circle{width:26px;height:26px;border-radius:50%;border:1px solid #bac9d3;display:grid;place-items:center;font-size:10px;flex-shrink:0}.lesson-aside li.current{color:#142b3d;font-weight:650}.lesson-aside li.current .step-circle{background:#193c56;color:#fff;border-color:#193c56}.lesson-aside li.done .step-circle{background:#e0eee6;color:#237156;border-color:#e0eee6}.progress-track{height:3px;background:#dfe6ea;border-radius:3px;margin:22px 0 10px;overflow:hidden}.progress-track span{display:block;height:100%;background:#367796;transition:width .35s}.lesson-aside>p{font-size:11px;line-height:1.7;color:#71818c}.lesson-main{min-width:0}.lesson-main h1{font-size:clamp(29px,3.4vw,43px);letter-spacing:-1.2px;line-height:1.14;margin:10px 0 14px}.lesson-intro{font-size:15px;line-height:1.75;color:var(--muted);margin:0 0 26px}.scene-chat{border:1px solid #d2dee6;background:#fff;border-radius:12px;overflow:hidden;margin:0 0 26px}.scene-chat .chat-person{padding:17px 23px;background:#f7fafb}.scene-chat .bubble{max-width:365px;margin:22px 70px 18px 23px}.scene-chat>.scene-time{font-size:10px;color:#788c9c;margin:0 23px 21px}.scene-chat .read-badge{font-size:10px;margin-left:auto;color:#5d7a8f}.question-label{font-weight:600;font-size:15px;margin:0 0 13px}.choices{display:grid;gap:10px}.choice{display:flex;gap:14px;text-align:left;align-items:center;background:#fff;border:1px solid #d2dce2;border-radius:7px;padding:17px 19px;font-size:14px;line-height:1.55;width:100%}.choice .letter{flex-shrink:0;display:grid;place-items:center;width:25px;height:25px;border-radius:4px;background:#edf2f5;font-size:11px;color:#577184}.choice:hover{border-color:#608aa8;background:#f6fafc}.choice[aria-pressed=true]{border-color:#487d9e;box-shadow:0 0 0 1px #487d9e;background:#eef5fa}.choice.correct{border-color:#247b5b;background:#eef8f1}.choice.incorrect{border-color:#b57845;background:#fff7ed}.choice:disabled{opacity:1}.feedback{border-radius:8px;padding:21px 23px;margin-top:19px;border-left:3px solid #267756;background:#e9f4ed}.feedback.incorrect{border-left-color:#a77b3e;background:#faf1e4}.feedback h3{font-size:16px;margin:0 0 8px}.feedback p{font-size:14px;line-height:1.75;margin:0;color:#435e50}.feedback.incorrect p{color:#6b593f}.lesson-actions{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:24px;flex-wrap:wrap}.lesson-actions .hint{font-size:12px;color:#607a8c}.explain-panel{border:1px solid #d4dfe5;background:white;padding:28px;border-radius:12px}.explain-panel h2{font-size:23px;letter-spacing:-.6px;margin:0 0 16px}.explain-panel p{font-size:15px;line-height:1.85;color:#4d6373}.rule-line{border-top:1px solid #e2e8ed;padding:18px 0;display:flex;gap:14px;font-size:14px;line-height:1.65}.rule-line span{font-size:12px;color:#477597}.video-disclosure{border:1px solid var(--line);border-radius:8px;margin-top:18px;padding:0 19px}.video-disclosure summary{padding:17px 0;font-size:13px;font-weight:600;cursor:pointer}.video-disclosure video{width:100%;max-height:420px;display:block;border-radius:6px;margin-bottom:16px;background:#081320}.video-disclosure p{font-size:12px;color:var(--muted);line-height:1.7}.finish-badge{width:65px;height:65px;display:grid;place-items:center;border-radius:50%;font-size:29px;background:#e0f0e7;color:#237756;margin:18px 0 22px}.takeaway{background:#112a3c;color:#fff;border-radius:10px;padding:28px;margin-top:27px}.takeaway small{color:#8dbbd9;font-size:10px;letter-spacing:2px}.takeaway p{font-size:23px;line-height:1.55;margin:13px 0}.finish-note{color:var(--muted);font-size:12px;line-height:1.7}.dashboard{padding-top:60px;padding-bottom:80px}.dashboard h1{font-size:46px;letter-spacing:-2px;font-weight:650;margin:15px 0}.dashboard-intro{color:var(--muted);font-size:15px;margin-bottom:34px}.continue-card{background:#0c1a28;color:#fff;border-radius:13px;display:grid;grid-template-columns:1.1fr .9fr;overflow:hidden;margin-bottom:40px}.continue-copy{padding:38px}.continue-copy h2{font-size:32px;letter-spacing:-1px;margin:18px 0 14px}.continue-copy p{font-size:14px;color:#b4cadd;line-height:1.7}.continue-copy .progress-track{background:#36526b;margin:22px 0}.continue-copy .progress-track span{background:#aed9f8}.continue-art{position:relative;min-height:285px}.continue-art img{width:100%;height:100%;position:absolute;object-fit:cover;object-position:50% 68%;opacity:.7}.dashboard-panels{display:grid;grid-template-columns:1fr 1fr;gap:25px}.dash-panel{border:1px solid #d4dce0;border-radius:9px;background:#fff;padding:27px}.dash-panel h2{font-size:20px;margin:0 0 21px}.dash-panel p{font-size:14px;color:var(--muted);line-height:1.75}.skill-row{display:flex;gap:14px;padding:15px 0;border-top:1px solid #e9ecee;font-size:14px;line-height:1.6}.skill-row>span{color:#268363}.dash-panel .text-link{font-size:13px}.business-hero .hero-art{object-position:center 71%}.business-benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:35px}.business-benefits h3{font-size:22px;font-weight:600}.business-benefits p{font-size:15px;line-height:1.8;color:var(--muted)}
dialog{border:1px solid #b7c9d7;border-radius:14px;padding:38px;max-width:610px;width:calc(100% - 32px);color:var(--ink);background:#f9faf8;box-shadow:0 24px 100px #0004}dialog::backdrop{background:#040c16b8;backdrop-filter:blur(5px)}.dialog-close{position:absolute;right:13px;top:11px;font-size:29px;border:0;background:transparent;width:38px;height:38px;color:#556a7a}dialog h2{font-size:30px;line-height:1.2;letter-spacing:-1px;margin:15px 0 20px}dialog p{font-size:15px;line-height:1.8;color:var(--muted)}dialog img{border-radius:8px;margin-top:20px}dialog .checkout-price{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;margin:25px 0;font-size:14px}dialog .checkout-price strong{font-size:30px;letter-spacing:-1px}dialog .payment-options{display:flex;gap:9px;margin:18px 0 25px}dialog .payment-options span{padding:8px 14px;background:#e8edf0;border-radius:4px;font-size:12px}
@media(min-width:1440px){.hero-art{right:calc((100% - 1440px)/2);width:740px}.hero-layout{min-height:660px}.hero-scene{right:10px}.hero-copy{width:56%}.shell{padding-left:0;padding-right:0}}
@media(max-width:1050px){.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.course-thumb{height:235px}.hero h1{font-size:59px}.hero-copy{width:64%}.hero-art{width:58%}.hero-layout{min-height:650px}.hero-scene{right:26px;bottom:28px;width:230px}.course-hero-grid{gap:35px}.course-body{gap:35px;grid-template-columns:minmax(0,1fr) 285px}.price-card{padding:23px}.learning-teaser .shell,.game-layout{gap:45px}.game-layout h2{font-size:37px}.desktop-nav{gap:20px}.site-header{gap:15px}.brand{font-size:15px}}
@media(max-width:760px){.preview-bar{padding:8px 20px;font-size:10px}.preview-bar b{font-size:9px}.preview-bar>span:last-child{display:none}.site-header{padding:17px 21px;min-height:76px;gap:12px}.brand{font-size:13px;gap:9px}.brand small{font-size:8px;letter-spacing:2.5px}.brand-mark img{width:34px;height:26px}.desktop-nav{display:none}.account-link{margin-left:auto;font-size:12px;padding:10px 12px;min-height:43px}.account-link .account-dot{display:none}.account-link .arr{display:none}.menu-toggle{display:block;flex-shrink:0}.shell{padding-left:23px;padding-right:23px}.hero-layout{padding-top:43px;padding-bottom:46px;min-height:750px;display:block}.hero-copy{width:100%;max-width:590px}.hero h1{font-size:clamp(39px,8vw,59px);letter-spacing:-2px;line-height:1.07;margin:23px 0 18px;max-width:540px}.hero-copy>p{font-size:15px;line-height:1.7;max-width:400px}.hero-art{top:auto;bottom:0;height:480px;width:100%;object-position:50% 68%;opacity:.75}.hero:after{background:linear-gradient(180deg,#080f19 0%,#080f19 35%,#080f1980 60%,#080f1900 76%,#080f19 100%)}.hero .actions{gap:13px}.hero-note{max-width:270px!important;font-size:11px!important}.hero-scene{right:23px;bottom:40px;max-width:237px;transform:rotate(-2deg);padding:16px 18px}.hero-scene p{font-size:14px}.hero-scene span{font-size:11px}.hero-scene small{font-size:9px}.trust-strip .shell{gap:14px;display:grid;grid-template-columns:1fr 1fr;padding-top:19px;padding-bottom:19px}.trust-strip span{font-size:10px;gap:7px}.section{padding-top:48px;padding-bottom:48px}.section-heading{display:block;margin-bottom:25px}.section-heading>p{max-width:none;margin-top:18px;font-size:14px}.section h2{font-size:34px}.topic-tabs{gap:7px}.topic-tabs button{font-size:12px;padding:10px 13px}.course-grid{gap:14px}.course-thumb{height:190px}.course-card-body{padding:19px 16px}.course-card h3{font-size:20px}.course-card-body>p{font-size:13px}.course-card-bottom{flex-wrap:wrap;gap:8px}.course-card-bottom a{font-size:12px}.course-card-bottom strong{font-size:16px}.catalog-foot{align-items:flex-start}.catalog-foot p{max-width:220px;line-height:1.7}.learning-teaser .shell,.game-layout{grid-template-columns:1fr;gap:40px}.learning-teaser .intro{font-size:15px}.conversation-card{margin:0 8px;transform:none;max-width:none;padding:22px}.game-preview{transform:none}.game-layout h2{font-size:37px}.company-line{align-items:flex-start;flex-direction:column;padding-top:35px;padding-bottom:35px;gap:12px}.company-line h3{font-size:23px}.site-footer{padding:28px 23px;flex-wrap:wrap;gap:20px}.site-footer p{margin:0}.site-footer>span{width:100%;font-size:10px}.breadcrumb{font-size:11px;padding-top:23px}.course-hero-grid{grid-template-columns:1fr;padding-top:28px;padding-bottom:42px;gap:30px}.course-title h1{font-size:47px;letter-spacing:-2px}.course-title>p{font-size:15px}.course-title .meta{font-size:11px;gap:12px}.course-title .meta span+span:before{margin-right:12px}.course-visual{height:280px}.floating-message{margin:27px 24px 0;max-width:275px;padding:15px 19px}.floating-message p{font-size:14px}.visual-caption{font-size:20px;bottom:21px}.visual-caption small{font-size:9px}.course-body{grid-template-columns:1fr;padding-top:36px;padding-bottom:45px;gap:32px}.price-card{position:static;grid-row:1}.course-body h2{font-size:29px}.outcomes{margin-bottom:30px}.lesson-shell{padding:21px 22px 45px}.lesson-topline{align-items:flex-start;font-size:11px}.lesson-topline span{text-align:right;max-width:130px}.lesson-grid{grid-template-columns:1fr;gap:25px;margin-top:22px}.lesson-aside h2{display:none}.lesson-aside ol{display:flex;justify-content:space-between;gap:8px}.lesson-aside li{font-size:10px;padding:0;gap:6px;display:flex;flex-direction:column;align-items:flex-start}.lesson-aside>p{display:none}.lesson-aside .progress-track{margin:16px 0 0}.step-circle{width:24px;height:24px}.lesson-main h1{font-size:33px;margin-top:13px}.lesson-intro{font-size:14px}.scene-chat .chat-person{padding:15px 18px}.scene-chat .bubble{margin:18px 25px 16px 18px;font-size:14px;padding:15px 17px}.scene-chat>.scene-time{margin-left:18px}.scene-chat .read-badge{display:none}.choice{font-size:13px;padding:15px 14px;gap:11px}.lesson-actions{gap:15px}.lesson-actions .btn{width:100%}.lesson-actions .hint{font-size:11px}.feedback{padding:19px}.feedback p{font-size:13px}.explain-panel{padding:23px}.explain-panel h2{font-size:21px}.explain-panel p{font-size:14px}.rule-line{font-size:13px}.takeaway{padding:23px}.takeaway p{font-size:21px}.dashboard{padding-top:35px;padding-bottom:45px}.dashboard h1{font-size:35px;letter-spacing:-1.3px}.continue-card{grid-template-columns:1fr}.continue-copy{padding:27px}.continue-copy h2{font-size:29px}.continue-art{display:none}.dashboard-panels{grid-template-columns:1fr;gap:18px}.dash-panel{padding:24px}.business-benefits{grid-template-columns:1fr;gap:16px}.business-hero .hero-layout{min-height:695px}dialog{padding:30px 23px}dialog h2{font-size:27px}}
@media(max-width:410px){.hero h1{font-size:41px}.hero-layout{min-height:765px}.course-grid{grid-template-columns:1fr}.course-thumb{height:210px}.course-card-bottom{flex-wrap:nowrap}.course-card-body>p{margin-bottom:17px}.btn{font-size:13px;padding:14px 18px;gap:17px}.hero .actions .btn{min-height:49px}.account-link{font-size:11px;padding:10px}.account-link>span:last-child{display:none}.brand{font-size:12px}.brand small{font-size:7px}.section h2{font-size:31px}.course-title h1{font-size:41px}.eyebrow{font-size:10px;letter-spacing:1.5px}.topic-tabs button{font-size:11px;padding:10px 12px}.catalog-foot{display:block}.course-title .meta{gap:9px}.course-title .meta span+span:before{margin-right:9px}.lesson-topline{font-size:10px}.lesson-aside li{font-size:9px}.floating-message{max-width:250px}.game-layout h2{font-size:34px}}
@media(max-width:350px){.account-link{display:none}.menu-toggle{margin-left:auto}.hero h1{font-size:37px}.hero .actions{align-items:stretch}.hero .actions .btn{width:100%}.hero-layout{min-height:810px}.preview-bar{font-size:9px;padding-left:16px;padding-right:16px}.preview-bar b{margin-right:7px;font-size:8px}.lesson-aside li{font-size:8px}}
.in-lesson .desktop-nav{visibility:hidden}.lesson-main h1:focus,.feedback:focus{outline:none}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}