:root{--lab-black:#0c0e0f;--lab-bg:#111415;--lab-wall:#1d2020;--lab-wall-2:#202323;--lab-floor:#111314;--charcoal:#252728;--charcoal-light:#303334;--orange:#e2763b;--orange-soft:#b85b2d;--teal:#438b88;--teal-soft:#326765;--metal:#898b87;--metal-light:#b7b8b1;--wood:#594338;--wood-light:#735544;--warm-white:#eee7da;--warm-white-soft:#c8c0b3;--muted:#858986;--shadow:#0000008c;--scene-ease:cubic-bezier(.22, .72, .24, 1);--scene-duration:.62s}*{box-sizing:border-box}html{background:var(--lab-black);scroll-behavior:smooth;scroll-snap-type:y mandatory}body{background:var(--lab-black);min-width:320px;color:var(--warm-white);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;overflow-x:hidden}button{font:inherit}#robolab,.experience{width:100%;position:relative}.room{background:var(--lab-wall);isolation:isolate;width:100%;height:100dvh;position:fixed;inset:0;overflow:hidden}.room-wall{z-index:0;background:radial-gradient(at 50% 58%,#ffdca513,#0000 48%),linear-gradient(90deg,#0000001f,#0000 22% 78%,#0000001f),linear-gradient(#222626 0%,#1b1e1f 100%);border-bottom:1px solid #ffffff14;position:absolute;inset:0 0 20%}.room-wall:before{content:"";opacity:.65;background:linear-gradient(90deg,#0000 24.9%,#ffffff05 25%,#0000 25.1% 74.9%,#ffffff05 75%,#0000 75.1%);position:absolute;inset:0}.room-floor{z-index:1;background:radial-gradient(at 50% 0,#e2763b16,#0000 48%),linear-gradient(#171a1b 0%,#101213 100%);border-top:1px solid #ffffff14;height:20%;position:absolute;bottom:0;left:0;right:0}.room-floor:before{content:"";background:linear-gradient(90deg,#0000 5%,#ffffff17 25% 75%,#0000 95%);height:1px;position:absolute;top:0;left:0;right:0}.room-floor:after{content:"";filter:blur(15px);pointer-events:none;background:radial-gradient(#e2763b17,#0000 66%);width:min(44vw,620px);height:180%;position:absolute;top:-30%;left:50%;transform:translate(-50%)}.ambient-light{z-index:2;pointer-events:none;background:radial-gradient(at 50% 45%,#ffe0b112,#0000 36%),linear-gradient(90deg,#0000001f,#0000 28% 72%,#0000001f);position:absolute;inset:0}#environment{z-index:4;pointer-events:none;position:absolute;inset:0}.environment-layer{opacity:0;width:100%;height:100%;transition:opacity var(--scene-duration) var(--scene-ease), transform .7s var(--scene-ease);will-change:opacity, transform;position:absolute;inset:0;transform:translateY(16px)scale(1.018)}.environment-layer.is-active{opacity:1;transform:translate(0,0)scale(1)}.environment-layer.is-entering{opacity:0;transform:translateY(22px)scale(1.025)}.environment-layer.is-leaving{opacity:0;transform:translateY(-18px)scale(.985)}.environment-label{letter-spacing:.28em;text-transform:uppercase;color:#eee7da40;white-space:nowrap;font-size:9px;font-weight:700;position:absolute;bottom:5.5%;left:50%;transform:translate(-50%)}.environment-home{z-index:1}.home-glow{filter:blur(5px);background:radial-gradient(circle,#e2763b11,#0000 66%);width:min(48vw,680px);height:min(48vw,680px);position:absolute;top:39%;left:50%;transform:translate(-50%,-50%)}.home-bench{opacity:.78;width:min(68vw,920px);height:9%;position:absolute;bottom:14%;left:50%;transform:translate(-50%)}.home-bench-top{background:linear-gradient(180deg, var(--wood-light), var(--wood));border-radius:4px;height:12px;position:absolute;inset:0 0 auto;box-shadow:0 4px #00000040,0 12px 25px #00000038}.home-bench-front{background:#352a25;border-radius:0 0 4px 4px;position:absolute;inset:12px 4% 0}.home-lamp{width:80px;height:150px;position:absolute;top:14%;right:17%}.lamp-shade{background:#303435;border:2px solid #ffffff14;border-radius:50% 50% 12px 12px;width:58px;height:32px;position:absolute;top:0;left:8px;box-shadow:0 12px 35px #e2763b17}.lamp-stem{background:#414543;border-radius:999px;width:4px;height:110px;position:absolute;top:28px;left:35px}.home-component{background:#202324;border:5px solid #303435;border-radius:50%;width:56px;height:56px;position:absolute;bottom:19%;left:19%;box-shadow:0 10px 22px #00000059}.component-ring{border:3px solid var(--orange);opacity:.72;border-radius:50%;position:absolute;inset:11px}.robot{aspect-ratio:215/385;z-index:100;visibility:visible;opacity:1;pointer-events:none;filter:drop-shadow(0 16px 16px #00000052);width:clamp(145px,15vw,215px);height:auto;display:block;position:fixed;bottom:7vh;left:50%;transform:translate(-50%)}.robot-character{transform-origin:50% 82%;width:100%;height:100%;transition:transform .7s var(--scene-ease);z-index:31;display:block;position:relative}.robot-shadow{filter:blur(7px);z-index:0;background:#0000008c;border-radius:50%;width:70%;height:16px;position:absolute;bottom:0;left:50%;transform:translate(-50%)}.robot:after{display:none}.robot-antenna{z-index:50;background:#b7b8b1;border:1px solid #d7d8d1;border-radius:999px;width:5px;height:24px;position:absolute;top:0;left:50%;transform:translate(-50%);box-shadow:0 0 5px #eee7da59,inset 0 0 1px #fffc}.robot-antenna:before{content:"";background:var(--orange);border:3px solid #292c2d;border-radius:50%;width:14px;height:14px;position:absolute;top:-7px;left:50%;transform:translate(-50%);box-shadow:0 3px 10px #e2763b40}.robot-head{width:62%;height:27%;transform:translateX(-50%) rotate(var(--head-tilt,0deg));transform-origin:50% 75%;z-index:8;background:linear-gradient(145deg,#e0dcd3,#a8a8a2);border:4px solid #292c2d;border-radius:30%;transition:transform .22s;position:absolute;top:7.3%;left:50%;box-shadow:0 7px 18px #0006,inset 0 1px #ffffff73}.robot-ear{z-index:2;background:#888b87;border:3px solid #292c2d;border-radius:7px;width:11px;height:30%;position:absolute;top:34%}.robot-ear-left{left:-12px}.robot-ear-right{right:-12px}.robot-face{z-index:3;background:linear-gradient(#292c2d,#1b1e1f);border:3px solid #353839;border-radius:24px;width:77%;height:72%;position:absolute;top:13%;left:50%;overflow:hidden;transform:translate(-50%);box-shadow:inset 0 2px 5px #0006}.robot-eye,.eye{aspect-ratio:1;z-index:5;background:#faf8f1;border:clamp(1.5px,.18vw,2px) solid #d7d4cc;border-radius:50%;width:30%;height:auto;position:absolute;top:17%;overflow:hidden;box-shadow:0 2px 5px #00000073,inset 0 1px 1px #fffc}.robot-eye-left{left:13%}.robot-eye-right{right:13%}.robot-eye span,.robot-pupil,.pupil{aspect-ratio:1;width:51%;height:auto;transform:translate(calc(-50% + var(--eye-x,0px)), calc(-50% + var(--eye-y,0px)));background:#151718;border-radius:50%;transition:transform .12s ease-out;position:absolute;top:50%;left:50%}.robot-eye span:after,.robot-pupil:after,.pupil:after{content:"";aspect-ratio:1;background:#fff;border-radius:50%;width:28%;height:auto;position:absolute;top:10%;left:20%}.robot-mouth{background:var(--orange);border-radius:0 0 12px 12px;width:38%;height:clamp(8px,.75vw,12px);position:absolute;bottom:20%;left:50%;transform:translate(-50%);box-shadow:0 2px #00000040}.robot-neck{z-index:5;background:#292c2d;border-radius:5px;width:24%;height:clamp(9px,.8vw,12px);position:absolute;top:22.5%;left:50%;transform:translate(-50%)}.robot-neck:after{content:"";background:#3b3e3d;border-radius:999px;width:82%;height:6px;position:absolute;bottom:-3px;left:50%;transform:translate(-50%)}.robot-body{z-index:4;background:linear-gradient(145deg,#ddd9d0,#a7a7a1);border:4px solid #292c2d;border-radius:22px;width:62%;height:35%;position:absolute;top:25.2%;left:50%;transform:translate(-50%);box-shadow:0 10px 22px #0000006b,inset 0 1px #ffffff59}.robot-chest{z-index:3;background:#202324;border:3px solid #35393a;border-radius:10px;width:56%;height:38%;position:absolute;top:18%;left:50%;transform:translate(-50%);box-shadow:inset 0 2px 5px #0006}.robot-chest:before{content:"01";letter-spacing:.12em;color:#e4e7df;font-size:10px;font-weight:800;position:absolute;top:35%;left:50%;transform:translate(-50%)}.robot-chest:after{content:"";background:var(--orange);border-radius:999px;width:54%;height:5px;position:absolute;bottom:15%;left:50%;transform:translate(-50%)}.robot-display{background:var(--teal);border:3px solid #292c2d;border-radius:5px;width:72%;height:45%;position:absolute;top:18%;left:50%;transform:translate(-50%)}.robot-display span:after{content:"01";height:100%;color:var(--warm-white);justify-content:center;align-items:center;font-size:9px;font-weight:800;display:flex}.robot-panel{gap:3px;width:54%;height:5px;display:flex;position:absolute;bottom:11%;left:50%;transform:translate(-50%)}.robot-panel i{background:var(--orange);border-radius:999px;flex:1;display:block}.robot-arm{transform-origin:50% 12%;z-index:2;width:13%;height:27%;transition:transform .7s var(--scene-ease);background:#858782;border:3px solid #292c2d;border-radius:999px;position:absolute;top:28%}.robot-arm-left{left:-9%}.robot-arm-right{right:-9%}.robot-joint{background:var(--orange);border:3px solid #292c2d;border-radius:50%;width:14px;height:14px;position:absolute;top:-7px;left:50%;transform:translate(-50%)}.robot-forearm{background:#777a76;border:3px solid #292c2d;border-radius:999px;width:100%;height:75%;position:absolute;top:85%;left:50%;transform:translate(-50%)}.robot-hand{background:#242728;border:3px solid #292c2d;border-radius:8px;width:145%;height:20px;position:absolute;bottom:-22px;left:50%;transform:translate(-50%)}.robot-leg{z-index:1;width:13%;height:19%;min-height:58px;max-height:74px;transition:transform .7s var(--scene-ease);background:#777a76;border:3px solid #292c2d;border-radius:999px;position:absolute;top:94%}.robot-leg-left{left:27%}.robot-leg-right{right:27%}.robot-foot{background:#242728;border:3px solid #292c2d;border-radius:9px;width:155%;height:23px;position:absolute;bottom:-13px;left:50%;transform:translate(-50%)}.robot-home .robot-character{transform:translateY(0)}.robot-home .robot-leg-left{transform:translate(-1px)rotate(-1deg)}.robot-home .robot-leg-right{transform:translate(1px)rotate(1deg)}.robot-study .robot-character{transform:translateY(1px)rotate(-1deg)}.robot-study .robot-arm-left{transform:rotate(-13deg)}.robot-study .robot-arm-right{transform:rotate(17deg)}.robot-study .robot-leg-left{transform:translate(-4px)rotate(-2deg)}.robot-study .robot-leg-right{transform:translate(4px)rotate(2deg)}.robot-build .robot-character{transform:translateY(1px)}.robot-build .robot-arm-left{transform:rotate(-24deg)}.robot-build .robot-arm-right{transform:rotate(28deg)}.robot-build .robot-leg-left{transform:translate(-7px)rotate(-4deg)}.robot-build .robot-leg-right{transform:translate(7px)rotate(4deg)}.robot-teach .robot-character{transform:translateY(-1px)}.robot-teach .robot-arm-left{transform:rotate(-32deg)}.robot-teach .robot-arm-right{transform:rotate(4deg)}.robot-teach .robot-leg-left{transform:translate(-3px)rotate(-2deg)}.robot-teach .robot-leg-right{transform:translate(3px)rotate(2deg)}.robot-inspect .robot-character{transform:translateY(2px)rotate(1deg)}.robot-inspect .robot-arm-left{transform:rotate(-8deg)}.robot-inspect .robot-arm-right{transform:rotate(32deg)}.robot-inspect .robot-leg-left{transform:translate(-6px)rotate(-3deg)}.robot-inspect .robot-leg-right{transform:translate(6px)rotate(3deg)}.robot-write .robot-character{transform:translateY(2px)rotate(-1deg)}.robot-write .robot-arm-left{transform:rotate(-17deg)}.robot-write .robot-arm-right{transform:rotate(20deg)}.robot-write .robot-leg-left{transform:translate(-5px)rotate(-3deg)}.robot-write .robot-leg-right{transform:translate(5px)rotate(3deg)}.robot-read .robot-character{transform:translateY(1px)}.robot-read .robot-arm-left{transform:rotate(-20deg)}.robot-read .robot-arm-right{transform:rotate(15deg)}.robot-read .robot-leg-left{transform:translate(-4px)rotate(-2deg)}.robot-read .robot-leg-right{transform:translate(4px)rotate(2deg)}.robot-kit .robot-character{transform:translateY(0)}.robot-kit .robot-arm-left{transform:rotate(-26deg)}.robot-kit .robot-arm-right{transform:rotate(26deg)}.robot-kit .robot-leg-left{transform:translate(-7px)rotate(-4deg)}.robot-kit .robot-leg-right{transform:translate(7px)rotate(4deg)}#intro{z-index:40;opacity:1;width:min(420px,38vw);transition:opacity .5s ease, transform .6s var(--scene-ease);pointer-events:auto;position:absolute;top:clamp(70px,16vh,150px);left:clamp(32px,6.7vw,110px);transform:translateY(0)}#intro.is-hidden{opacity:0;pointer-events:none;transform:translateY(-18px)}#intro>div:first-child{color:var(--warm-white-soft);letter-spacing:.03em;margin-bottom:18px;font-size:12px;font-weight:500}#intro h1{letter-spacing:-.045em;max-width:360px;color:var(--warm-white);margin:0 0 18px;font-size:clamp(32px,3.1vw,52px);line-height:.98}#intro p{max-width:390px;color:var(--warm-white-soft);margin:0;font-size:clamp(13px,1.05vw,15px);line-height:1.55}#intro .scroll-entry{color:#eee7dab3;align-items:center;gap:9px;margin-top:24px;font-size:12px;display:flex}#intro .scroll-entry:before{content:"↓";width:20px;height:20px;color:var(--orange);border:1px solid #eee7da59;border-radius:50%;place-items:center;display:grid}#scene-copy{opacity:0;visibility:hidden;pointer-events:none;transition:opacity .43s,visibility 0s linear .43s}.experience[data-scene]:not([data-scene=home]) #scene-copy{opacity:1;visibility:visible;pointer-events:auto;transition:opacity .43s,visibility linear}#scene-number,#scene-kicker,#scene-title,#scene-description{z-index:35;transition:opacity .43s ease, transform .52s var(--scene-ease);position:absolute;left:65.5%}[data-scene=home] #scene-number,[data-scene=home] #scene-kicker,[data-scene=home] #scene-title,[data-scene=home] #scene-description{opacity:0;pointer-events:none;transform:translateY(15px)}#scene-number{color:var(--orange);letter-spacing:.08em;font-size:10px;font-weight:700;top:44%}#scene-kicker{letter-spacing:.22em;color:#eee7da7a;font-size:10px;font-weight:600;top:calc(44% + 18px)}#scene-title{letter-spacing:-.035em;width:min(360px,28vw);color:var(--warm-white);margin:0;font-size:clamp(23px,2vw,32px);line-height:1.08;top:calc(44% + 48px)}#scene-description{width:min(390px,29vw);color:var(--warm-white-soft);margin:0;font-size:13px;line-height:1.55;top:calc(44% + 91px)}.classroom-board{background:linear-gradient(145deg,#252929,#1b1e1e);border:1px solid #ffffff17;border-radius:6px;width:34%;height:37%;padding:25px;position:absolute;top:16%;left:11%;box-shadow:0 18px 40px #0000003d}.board-heading{letter-spacing:.2em;color:#eee7da8c;font-size:11px}.board-equation{color:var(--warm-white);align-items:center;gap:12px;margin-top:48px;font-size:clamp(17px,1.8vw,28px);display:flex}.board-equation span:nth-child(2),.board-equation span:nth-child(4){color:var(--orange)}.board-line{background:#ffffff1a;width:75%;height:1px;margin-top:25px}.classroom-desk{border-top:9px solid var(--wood-light);background:#3a2d27;width:42%;height:9%;position:absolute;bottom:13%;left:8%;box-shadow:0 18px 32px #0000004d}.classroom-notebook{background:#d6d0c4;border-radius:2px;width:30%;height:44px;position:absolute;top:-44px;left:28%;transform:rotate(-3deg)}.classroom-pencil{background:var(--orange);border-radius:999px;width:70px;height:5px;position:absolute;top:-20px;right:13%;transform:rotate(8deg)}.classroom-monitor{background:#111313;border:5px solid #282b2c;border-radius:7px;width:23%;height:22%;position:absolute;bottom:14%;right:11%;box-shadow:0 20px 35px #0000004d}.monitor-screen{background:linear-gradient(145deg,#438b8866,#438b880a);border:1px solid #438b8859;position:absolute;inset:12px}.workshop-pegboard{background:radial-gradient(circle,#ffffff0d 2px,#0000 3px) 0 0/22px 22px;border:1px solid #ffffff0f;border-radius:4px;grid-template-columns:repeat(4,1fr);gap:16px;width:28%;height:42%;padding:25px;display:grid;position:absolute;top:12%;right:8%}.peg{background:#646866;border-radius:50%;width:8px;height:8px;margin:auto}.workshop-bench{border-top:11px solid var(--wood-light);background:#382b25;width:49%;height:13%;position:absolute;bottom:12%;left:8%;box-shadow:0 22px 40px #00000052}.workshop-vise{background:#5d625f;border:3px solid #292c2d;border-radius:6px 6px 2px 2px;width:65px;height:32px;position:absolute;top:-32px;left:12%}.workshop-motor{background:#747873;border:3px solid #292c2d;border-radius:8px;width:55px;height:36px;position:absolute;top:-36px;left:48%}.workshop-gear{border:8px dotted var(--metal);border-radius:50%;width:45px;height:45px;position:absolute;top:-28px;right:15%}.workshop-light{width:130px;height:160px;position:absolute;top:10%;left:57%}.task-light-head{background:#343837;border:3px solid #222525;border-radius:50%;width:72px;height:30px;position:absolute;top:0;right:0}.task-light-arm{transform-origin:top;background:#464a48;width:5px;height:130px;position:absolute;top:20px;right:35px;transform:rotate(18deg)}.course-shelf{border-bottom:8px solid var(--wood-light);background:#0000001f;border-left:4px solid #4d3a30;border-right:4px solid #4d3a30;align-items:flex-end;gap:10px;width:40%;height:42%;padding:20px;display:flex;position:absolute;top:15%;left:9%}.course-book{background:#343838;border:1px solid #ffffff14;border-radius:3px;flex:1;justify-content:center;align-items:center;height:55%;display:flex}.course-book:nth-child(2){height:70%}.course-book:nth-child(3){height:62%}.course-book:nth-child(4){height:78%}.course-book span{writing-mode:vertical-rl;letter-spacing:.14em;color:#eee7da99;font-size:9px}.course-display{background:#202324;border:1px solid #ffffff17;border-radius:8px;width:29%;height:28%;padding:30px;position:absolute;top:22%;right:12%;box-shadow:0 20px 50px #00000047}.course-display-top{letter-spacing:-.04em;font-size:clamp(22px,2.4vw,38px);font-weight:700}.course-display-bottom{letter-spacing:.18em;color:var(--teal);margin-top:20px;font-size:9px}.project-wall{width:45%;height:45%;position:absolute;top:13%;left:9%}.project-card{background:#272a2b;border:1px solid #ffffff17;width:40%;min-height:100px;padding:20px;position:absolute;box-shadow:0 16px 28px #00000040}.project-card-one{top:0;left:0;transform:rotate(-2deg)}.project-card-two{top:12%;right:0;transform:rotate(2deg)}.project-card-three{bottom:0;left:18%;transform:rotate(-1deg)}.environment-panel-title{letter-spacing:.08em;font-size:12px;font-weight:700}.environment-panel-subtitle{letter-spacing:.15em;text-transform:uppercase;color:var(--orange);margin-top:8px;font-size:9px}.project-table{border-top:10px solid var(--wood-light);background:#3a2c26;width:31%;height:13%;position:absolute;bottom:12%;right:8%}.project-sketch{background:#d6d0c4;width:35%;height:42px;position:absolute;top:-42px;left:20%;transform:rotate(-4deg)}.project-circuit{border:2px solid var(--teal);background:#202727;width:52px;height:33px;position:absolute;top:-33px;right:15%}.diary-board{background:#242727;border:1px solid #ffffff14;grid-template-columns:repeat(2,1fr);gap:18px;width:47%;height:47%;padding:25px;display:grid;position:absolute;top:13%;left:9%;box-shadow:0 20px 40px #0000004d}.diary-note{background:#393b38;border:1px solid #ffffff0f;flex-direction:column;gap:13px;min-height:110px;padding:20px;display:flex;box-shadow:0 7px 14px #0003}.diary-note:first-child{transform:rotate(-2deg)}.diary-note:nth-child(2){transform:rotate(2deg)}.diary-note:nth-child(3){transform:rotate(1deg)}.diary-note:nth-child(4){transform:rotate(-1deg)}.diary-note strong{letter-spacing:.18em;color:var(--orange);font-size:10px}.diary-note span{color:#eee7dab3;font-size:12px}.diary-notebook{color:#252728;background:#d3cdc0;width:27%;height:25%;padding:24px;position:absolute;bottom:13%;right:10%;transform:rotate(2deg);box-shadow:0 20px 30px #0000004d}.notebook-title{letter-spacing:.15em;font-size:11px;font-weight:800}.notebook-line{background:#25272833;width:100%;height:1px;margin-top:19px}.resource-shelf{border-bottom:9px solid var(--wood-light);background:#272b2b;align-items:flex-end;gap:9px;width:52%;height:45%;padding:22px;display:flex;position:absolute;top:14%;left:8%}.resource-book{background:#343938;border:1px solid #ffffff12;flex:1;justify-content:center;align-items:center;height:65%;display:flex;box-shadow:0 12px 20px #00000040}.resource-book:nth-child(2){height:78%}.resource-book:nth-child(3){height:72%}.resource-book:nth-child(4){height:84%}.resource-book:nth-child(5){height:68%}.resource-book 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