.tutorial-body{background:var(--soft)}.tutorial-body .nav{background:transparent}.tutorial-nav-active{color:var(--blue);font-weight:650}.tutorial-main{padding-bottom:64px}.tutorial-hero{display:grid;grid-template-columns:1.15fr 1fr;gap:60px;align-items:center;padding:70px 0 56px}.tutorial-eyebrow{color:var(--blue);font-size:12px;font-weight:750;letter-spacing:3px;margin:0 0 20px}.tutorial-hero h1{font-size:64px;line-height:1.13;letter-spacing:-2.8px;margin:0 0 22px}.tutorial-hero h1 span{color:var(--blue)}.tutorial-lead{max-width:460px;color:var(--muted);font-size:17px;margin-bottom:28px}.tutorial-editions{display:inline-flex;padding:5px;background:#e8edf5;border:1px solid var(--line);border-radius:12px;gap:5px}.tutorial-editions a{min-height:44px;display:flex;align-items:center;padding:10px 24px;font-size:14px;font-weight:600;border-radius:8px}.tutorial-editions a[aria-current=page]{background:var(--blue);color:white;box-shadow:0 3px 9px #2563eb22}.tutorial-editions a:hover{outline:1px solid var(--blue)}.tutorial-language-note{font-size:13px;color:var(--muted);margin:12px 0 0}.tutorial-hero-art{position:relative;min-height:310px;display:grid;place-items:center}.academy-orbit{position:absolute;width:290px;height:290px;border:1px solid #cbd9f0;border-radius:50%;box-shadow:0 0 0 28px #eaf0fa,0 0 0 29px #dbe5f5;transform:translate(20px,-5px)}.academy-window{position:relative;width:min(100%,365px);height:234px;background:#fff;border:1px solid #dbe5f5;border-radius:16px;box-shadow:0 20px 45px #223b6612;transform:rotate(-4deg);padding:18px}.academy-window-bar{display:flex;align-items:center;gap:5px}.academy-window-bar i{width:5px;height:5px;border-radius:50%;background:#cad5e5}.academy-window-bar span{margin-left:auto;font-size:9px;font-weight:600;letter-spacing:1.4px;color:var(--muted)}.academy-play{width:68px;height:68px;border-radius:20px;background:var(--blue);color:white;font-size:35px;display:grid;place-items:center;margin:25px auto 20px;box-shadow:0 9px 20px #2563eb25}.academy-lines{display:flex;flex-direction:column;gap:6px;align-items:center}.academy-lines i{width:105px;height:5px;border-radius:4px;background:#e4ebf6}.academy-lines i+i{width:70px}.academy-timeline{height:4px;background:#e9eef7;margin-top:20px;border-radius:4px}.academy-timeline i{display:block;width:34%;height:100%;background:var(--blue);border-radius:4px}.academy-label{position:absolute;right:0;bottom:5px;font-size:10px;font-weight:650;letter-spacing:2px;color:var(--muted);background:var(--soft);padding:12px}.tutorial-jumps{display:flex;gap:12px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0;flex-wrap:wrap}.tutorial-jumps a{padding:10px 18px;min-height:44px;border-radius:8px;font-size:14px;font-weight:600;color:var(--muted)}.tutorial-jumps a:hover{background:#e7eefb;color:var(--blue)}.tutorial-status:empty{display:none}.tutorial-section{padding-top:56px;scroll-margin-top:24px}.tutorial-section-heading{margin-bottom:24px}.tutorial-section-heading>div{position:relative;padding-left:46px}.tutorial-section-index{position:absolute;left:0;top:3px;color:var(--blue);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums}.tutorial-section h2{font-size:26px;letter-spacing:-.7px;margin:0 0 5px}.tutorial-section-heading p{font-size:14px;color:var(--muted);margin:0}.tutorial-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.tutorial-card{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden;transition:box-shadow .18s,border-color .18s;min-width:0}.tutorial-card:has(button):hover{box-shadow:0 10px 25px #18365d0d;border-color:#b7cbef}.tutorial-thumbnail{position:relative;display:grid;place-items:center;width:100%;aspect-ratio:16/9;border:0;border-radius:0;background:#eaf0fb;color:var(--blue);overflow:hidden}.tutorial-thumbnail:before,.tutorial-thumbnail:after{content:'';position:absolute;border:1px solid #2563eb14;border-radius:22px;width:65%;height:140%;transform:rotate(35deg);right:-20%;top:-50%}.tutorial-thumbnail:after{right:45%;top:40%;width:48%;height:100%}.tutorial-thumbnail-intro{background:#142a4b;color:#fff}.tutorial-thumbnail-intro:before,.tutorial-thumbnail-intro:after{border-color:#ffffff14}.tutorial-thumbnail-start{background:#e7f1f6;color:#16768a}.tutorial-thumbnail-knowledge{background:#edf0f9;color:#6252ac}.tutorial-card-number{position:absolute;left:20px;top:15px;font-size:12px;opacity:.7;letter-spacing:1px}.tutorial-card-badge{position:absolute;right:15px;top:13px;font-size:11px;font-weight:600;padding:3px 9px;border:1px solid currentColor;border-radius:20px}.tutorial-card-symbol{display:grid;place-items:center;width:54px;height:54px;border:1px solid currentColor;border-radius:50%;z-index:1}.tutorial-card-symbol svg{width:23px;height:23px;margin-left:3px}.tutorial-card-brand{position:absolute;left:20px;bottom:16px;font-size:9px;letter-spacing:2px;opacity:.65}.tutorial-card-copy{padding:22px;display:flex;flex-direction:column}.tutorial-card-kicker{color:var(--muted);font-size:11px;margin-bottom:7px}.tutorial-card h3{font-size:18px;line-height:1.4;margin:0;overflow-wrap:anywhere}.tutorial-card-copy p{color:var(--muted);font-size:14px;margin:12px 0 0;overflow-wrap:anywhere}.tutorial-card-foot{margin-top:auto;padding-top:20px}.tutorial-pending{font-size:12px;color:var(--muted)}.tutorial-watch{border:0;background:transparent;padding:0;min-height:44px;display:flex;align-items:center;gap:10px;font-weight:650;color:var(--blue);font-size:13px}.tutorial-watch svg{width:15px}.tutorial-card-featured{display:grid;grid-template-columns:1.1fr 1fr;align-items:stretch}.tutorial-card-featured .tutorial-card-copy{padding:32px 38px;justify-content:center}.tutorial-card-featured h3{font-size:27px}.tutorial-card-featured .tutorial-card-foot{margin-top:0}.tutorial-knowledge-empty{grid-column:1/-1;padding:40px 24px;text-align:center;border:1px dashed #cbd5e5;border-radius:15px;background:#f0f3f9}.tutorial-empty-icon{display:grid;place-items:center;width:44px;height:44px;border:1px solid #ccd8ef;border-radius:12px;margin:0 auto 14px;color:#7186ac}.tutorial-empty-icon svg{width:18px}.tutorial-knowledge-empty h3{font-size:17px;margin:0 0 6px}.tutorial-knowledge-empty p{font-size:13px;color:var(--muted);margin:0}.tutorial-dialog{width:min(1000px,calc(100% - 32px));max-width:1000px;padding:0;border:1px solid var(--line);border-radius:16px;max-height:calc(100dvh - 32px);overflow:auto}.tutorial-dialog-head{display:flex;align-items:center;justify-content:space-between;padding:16px 22px;gap:20px}.tutorial-dialog-head h2{font-size:18px;margin:0;overflow-wrap:anywhere}.tutorial-dialog-head button{font-size:26px;background:transparent;border:0;min-width:44px;min-height:44px}.tutorial-player{aspect-ratio:16/9;background:#0d1728}.tutorial-player iframe{width:100%;height:100%;border:0;display:block}.tutorial-dialog-foot{padding:16px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:12px}.tutorial-dialog-foot p{margin:0;color:var(--muted)}.tutorial-dialog-foot a{color:var(--blue);min-height:44px;display:flex;align-items:center;flex-shrink:0}.tutorial-dialog::backdrop{background:#0a1739b8}.tutorial-body button:focus-visible,.tutorial-body a:focus-visible{outline:3px solid #83aaff;outline-offset:3px}
@media(max-width:960px){.tutorial-hero{gap:32px}.tutorial-hero h1{font-size:52px}.tutorial-hero-art{min-height:270px}.academy-orbit{width:220px;height:220px}.tutorial-grid{gap:15px}.tutorial-card-copy{padding:18px}.tutorial-card-featured .tutorial-card-copy{padding:25px}.tutorial-card-featured h3{font-size:23px}}
@media(max-width:720px){.tutorial-hero{grid-template-columns:1fr;padding:38px 0 30px;gap:26px}.tutorial-hero h1{font-size:46px}.tutorial-lead{font-size:15px}.tutorial-hero-art{display:none}.tutorial-jumps{gap:2px}.tutorial-jumps a{padding:10px;font-size:12px}.tutorial-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.tutorial-card-featured{grid-template-columns:1fr}.tutorial-card-featured .tutorial-card-copy{padding:22px}.tutorial-card-featured h3{font-size:22px}.tutorial-section{padding-top:40px}.tutorial-section h2{font-size:23px}.tutorial-section-heading p{font-size:13px}.tutorial-card h3{font-size:16px}.tutorial-card-brand{font-size:8px;left:14px}.tutorial-card-badge{font-size:9px;right:10px;top:10px}.tutorial-card-number{left:14px;top:10px}.tutorial-card-symbol{width:42px;height:42px}.tutorial-card-symbol svg{width:19px}.tutorial-dialog-foot{align-items:flex-start;flex-direction:column;gap:4px}.tutorial-body .nav nav{justify-content:flex-start;gap:24px}}
@media(max-width:450px){.tutorial-grid{grid-template-columns:1fr}.tutorial-editions a{padding-inline:20px}.tutorial-hero h1{font-size:43px}.tutorial-main{padding-bottom:40px}.tutorial-card h3{font-size:18px}.tutorial-jumps{justify-content:space-between}.tutorial-jumps a{padding-inline:7px}}
@media(prefers-reduced-motion:reduce){.tutorial-card{transition:none}}

/* Shared VANTA artwork for every edition, section and future catalog item. */
.tutorial-thumbnail{background:#03122e;color:#fff;padding:0}
.tutorial-thumbnail:before,.tutorial-thumbnail:after{content:none}
.tutorial-card-cover{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.tutorial-card-number,.tutorial-card-badge{z-index:1}
.tutorial-card-badge{background:#071a3cbb;border-color:#ffffff55}
.tutorial-card-symbol{position:absolute;left:50%;top:72%;transform:translate(-50%,-50%);width:44px;height:44px;background:#ffffff18;border-color:#ffffffb3;box-shadow:0 3px 14px #0003}
button.tutorial-thumbnail:hover .tutorial-card-symbol{background:#2563eb;border-color:#fff}
button.tutorial-thumbnail:focus-visible{outline-offset:-4px}
@media(max-width:720px){.tutorial-card-symbol{width:36px;height:36px}.tutorial-card-symbol svg{width:17px}}