.focus-intro h1{font-size:clamp(32px,3.7vw,50px)}.focus-intro .intro-row>p{font-size:12px}.focus-lessons{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-bottom:22px;scroll-margin-top:25px}.focus-lessons button{display:flex;align-items:center;gap:8px;text-align:left;background:#191c18;border:1px solid #31382c;border-radius:6px;padding:12px 10px;font-size:10px;color:#aeb6a4;line-height:1.5}.focus-lessons button>span{color:#7d8971;font-size:9px}.focus-lessons button[aria-pressed="true"]{background:#2c2b23;border-color:#8c765c;color:#f2dcc0}.focus-lessons button[aria-pressed="true"]>span{color:var(--accent)}.focus-lessons button:hover{background:#262b22;color:var(--text)}
.focus-lab{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(350px,1fr);border:1px solid var(--line);border-radius:13px;background:var(--surface);overflow:hidden}.focus-visual{min-width:0;border-right:1px solid var(--line);background:#151914}.focus-viewfinder{position:relative;aspect-ratio:3/2;overflow:hidden;background:#20261c}.focus-viewfinder>canvas{width:100%;height:100%;display:block;cursor:crosshair;object-fit:contain}.focus-photo-top,.focus-photo-bottom{position:absolute;left:20px;right:20px;display:flex;align-items:center;justify-content:space-between;gap:10px;pointer-events:none}.focus-photo-top{top:19px}.focus-photo-top span{background:#111a;border:1px solid #ffffff3b;border-radius:4px;padding:6px 8px;color:#f0e8dc;font-size:7px;letter-spacing:.8px}.focus-photo-bottom{bottom:17px;font-size:10px;color:#f7f0e1;text-shadow:0 1px 5px #000}.focus-photo-bottom>span{background:#141a10a1;padding:6px 9px;border-radius:4px}.focus-photo-bottom button{pointer-events:auto;background:#111b;border:1px solid #ffffff3b;border-radius:4px;padding:7px 9px;font-size:9px;color:#e1dccf}.focus-grid{position:absolute;inset:0;width:100%;height:100%;stroke:#e9ead271;stroke-width:1;fill:none;pointer-events:none}.focus-af-box{position:absolute;width:30px;height:30px;border:2px solid #c5e995;border-radius:3px;transform:translate(-50%,-50%);box-shadow:0 0 0 1px #16210d80;pointer-events:none}.focus-af-box[data-mode="manual"]{border-color:#e4bc83}.focus-af-box[data-target="background"]{border-color:#a6c9ef}.focus-af-box[data-zone="eye"]{width:22px;height:22px}.focus-af-box[data-zone="zone"]{width:70px;height:58px}
.focus-camera-controls{display:grid;grid-template-columns:1fr 1fr;gap:15px;padding:17px 21px 12px}.focus-camera-controls label{display:block;font-size:9px;color:#9eae90;margin-bottom:7px}.focus-camera-controls select,.focus-control select{display:block;width:100%;background:#242b1e;border:1px solid #414e35;border-radius:5px;color:#d9dfce;padding:9px 10px;font-family:inherit;font-size:11px;min-width:0}.focus-camera-actions{display:flex;gap:7px;padding:0 21px 13px}.focus-camera-actions button{flex:1;background:#252d1f;border:1px solid #445137;border-radius:5px;padding:10px 8px;color:#b8c7a5;font-size:10px;line-height:1.4}.focus-camera-actions button:first-child{background:#d9c3a4;border-color:#d9c3a4;color:#24291d}.focus-camera-actions button[aria-pressed="true"]{border-color:#acbf91;color:#e1ecd6;background:#35432a}.focus-camera-actions button:disabled,.focus-camera-controls select:disabled{opacity:.45;cursor:default}.focus-targets{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:9px;color:#8e9e7f;padding:0 21px 17px;border-bottom:1px solid var(--line)}.focus-targets>div{display:flex;gap:6px}.focus-targets button{background:none;color:#aab99a;padding:5px 8px;font-size:9px;border:1px solid #3e4b33;border-radius:4px;white-space:nowrap}.focus-targets button[aria-pressed="true"]{border-color:#8c9f77;color:#e0d5be;background:#2c3324}
.focus-analysis{padding:21px}.focus-depth-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.focus-depth-heading span{font-size:8px;letter-spacing:1.2px;color:#9fac90}.focus-depth-heading strong{font-size:12px;font-weight:450;color:#d5c6aa;font-variant-numeric:tabular-nums}#focus-depth-chart{display:block;width:100%;height:auto;margin-top:8px;stroke:none;fill:none}.focus-depth-track{stroke:#47583b;stroke-width:3}#focus-depth-band{fill:#a5bd7c60;stroke:#9ab67b;stroke-width:1}.focus-depth-plane{stroke:#e3bf88;stroke-width:2}#focus-depth-subject{fill:#e9eee1;stroke:#252d1c;stroke-width:1}#focus-depth-chart text{font-family:inherit;font-size:9px;fill:#9eae8d}#focus-depth-ticks path{stroke:#516044}#focus-depth-plane-label{fill:#dfbc86!important}#focus-depth-subject-label{fill:#e9eee1!important}.focus-depth-legend{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:8px;color:#8d9e7d;line-height:1.6}.focus-depth-legend i{display:inline-block;width:6px;height:6px;background:#9eb779;margin-right:5px;border-radius:1px}.focus-diagnostics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:19px 0;padding:17px 0;border-block:1px solid #34402c}.focus-diagnostics>div{display:flex;flex-direction:column;gap:7px}.focus-diagnostics span{font-size:7px;letter-spacing:1px;color:#8a9b79}.focus-diagnostics strong{font-weight:450;font-size:11px;color:#bdcea9}.focus-diagnostics strong.warn{color:#e3ba8f}.focus-inspect{display:grid;grid-template-columns:144px 1fr;gap:20px;align-items:start}.focus-inspect figure{margin:0}.focus-inspect canvas{width:100%;height:auto;display:block;border-radius:5px;border:1px solid #49563b;background:#242b1e}.focus-inspect figcaption{font-size:8px;color:#95a684;margin-top:7px}.focus-inspect .eyebrow{font-size:8px;letter-spacing:1px}.focus-inspect p{font-size:11px;color:#c5b594;line-height:1.75;margin:9px 0 0}.focus-inspect .focus-speed-note{font-size:9px;color:#92a182}
.focus-explanation{padding:26px;display:flex;flex-direction:column;min-width:0}.focus-explanation h2{font-size:28px;font-weight:450;letter-spacing:-.7px;line-height:1.22;margin:17px 0 14px}.focus-explanation .composition-body{margin-bottom:17px}.focus-controls{display:grid;gap:21px;margin:0 0 24px}.focus-control{--control-color:#d8bc97}.focus-control-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:11px}.focus-control label{font-size:11px;color:#d1d6c8}.focus-control output{font-size:20px;color:#e4c7a6;font-variant-numeric:tabular-nums;white-space:nowrap}.focus-control select{margin-top:9px}.focus-control .range-ends{font-size:9px}.focus-control .focus-switch{display:flex;align-items:center;gap:9px;line-height:1.6;cursor:pointer}.focus-switch input{accent-color:#c2cca9;width:16px;height:16px;margin:0;flex-shrink:0}.focus-presets{display:flex;gap:6px;margin-bottom:23px}.focus-presets button{flex:1;background:#242a20;border:1px solid #3c4732;color:#abb89c;border-radius:5px;font-size:10px;line-height:1.5;padding:10px 6px}.focus-presets button[aria-pressed="true"]{background:#d9c3a4;border-color:#d9c3a4;color:#24291d}.focus-presets button:hover{border-color:#b9bf9e}.focus-memo{margin-top:48px;border-top:1px solid var(--line);padding-top:33px}.focus-memo h2{font-size:34px;font-weight:450;letter-spacing:-1px;margin:17px 0 30px}.focus-memo h2 span{color:#a6b093}.focus-quiz{margin-top:40px;border-top:1px solid var(--line)}
@media(max-width:1150px){.focus-lab{grid-template-columns:minmax(0,1.5fr) minmax(315px,1fr)}.focus-explanation{padding:22px}.focus-explanation h2{font-size:25px}.focus-lessons{gap:6px}.focus-lessons button{font-size:9px;padding:10px 8px}.focus-inspect{grid-template-columns:115px 1fr;gap:15px}.focus-analysis{padding:18px}.focus-photo-top span:last-child{display:none}}
@media(max-width:800px){.header .course-tabs{gap:15px;justify-content:flex-start}.header .course-tabs a{flex-shrink:0;font-size:10px}.focus-intro h1{font-size:36px}.focus-intro h1 em{display:block;margin-top:5px}.focus-intro .eyebrow{font-size:7px;letter-spacing:.8px}.focus-lessons{grid-template-columns:repeat(3,1fr);gap:6px;margin-bottom:17px}.focus-lessons button{font-size:9px;line-height:1.5;padding:10px 7px;gap:5px}.focus-lab{grid-template-columns:1fr;overflow:visible}.focus-visual{border-right:0;border-bottom:1px solid var(--line);border-radius:12px 12px 0 0;overflow:hidden}.focus-camera-controls{padding:17px 17px 12px;gap:10px}.focus-camera-controls select{font-size:10px;padding:9px 7px}.focus-camera-actions{padding:0 17px 13px}.focus-camera-actions button{font-size:9px;padding:10px 5px}.focus-targets{padding:0 17px 16px;font-size:8px;gap:7px}.focus-targets button{font-size:9px;padding:5px 7px}.focus-analysis{padding:17px}.focus-depth-heading span{font-size:7px;letter-spacing:1px}.focus-depth-heading strong{font-size:10px}.focus-depth-legend{font-size:7px}.focus-inspect{grid-template-columns:105px 1fr;gap:14px}.focus-inspect p{font-size:10px}.focus-inspect .eyebrow{font-size:7px;letter-spacing:.5px}.focus-diagnostics strong{font-size:10px}.focus-diagnostics span{font-size:7px;letter-spacing:.6px}.focus-photo-top{top:13px;left:14px;right:14px}.focus-photo-bottom{bottom:12px;left:14px;right:14px;font-size:9px}.focus-photo-bottom button{font-size:8px;padding:6px 7px}.focus-photo-top span{font-size:6px}.focus-explanation{padding:24px}.focus-explanation h2{font-size:28px}.focus-explanation .composition-lead{font-size:14px}.focus-explanation .composition-body{font-size:13px}.focus-control label{font-size:12px}.focus-control output{font-size:22px}.focus-control select{font-size:12px}.focus-presets button{font-size:10px}.focus-memo{margin-top:35px;padding-top:28px}.focus-memo h2{font-size:29px}.focus-quiz{margin-top:30px}}
@media(max-width:800px) and (min-height:650px){.focus-visual{display:contents}.focus-viewfinder{position:sticky;top:0;z-index:4;aspect-ratio:3/2;box-shadow:0 7px 20px #0005;border-radius:12px 12px 0 0}.focus-controls input,.focus-controls select,.focus-presets,.focus-camera-controls select,.focus-camera-actions button,.focus-targets button{scroll-margin-top:calc(66vw + 24px)}}