/* Immersive role cards and the interactive kit launch. */
/* Give the opening phrase one consistent, upright type family. */
.scene-label strong{line-height:1.14}
.scene-label em{font-family:var(--sans);font-style:normal;font-weight:700;letter-spacing:-.045em;color:var(--green)}
.immersive-card{min-height:355px;padding:34px;position:relative}
.immersive-card .audience-copy{width:57%}
.immersive-card .audience-copy>strong{font-size:35px;letter-spacing:-.05em}
.immersive-card .audience-copy>.eyebrow{font-size:8px;margin-bottom:21px}
.immersive-card .audience-copy>span:not(.eyebrow):not(.role-cta){font-size:12px;max-width:235px}
.immersive-card .role-cta{margin-top:70px;gap:18px;position:relative;z-index:4}
.audience-canvas{position:absolute;right:-6px;bottom:3px;width:58%;height:305px;pointer-events:none;z-index:1;opacity:0;transition:opacity .6s}
.scene-ready .audience-canvas{opacity:1}.scene-ready .audience-fallback{display:none}
.immersive-card.student-choice{background:radial-gradient(ellipse at 78% 75%,#d5e1c0,transparent 68%),#edf0e4}
.immersive-card.teacher-choice{background:radial-gradient(ellipse at 78% 72%,#e6d6b8,transparent 65%),#f2ece1}
.audience-heading-tools{display:flex;align-items:flex-end;flex-direction:column;gap:14px}
.audience-heading-tools p{font-size:13px;margin:0;text-align:right}
.scene-control{display:inline-flex;align-items:center;gap:10px;padding:7px 11px;border:1px solid #c8d2c0;border-radius:30px;background:#f8f9f1;font-size:9px;font-weight:600;min-height:35px}
.interactive-spotlight{grid-template-columns:1fr 1fr;min-height:490px;gap:50px}
.interactive-spotlight h2{font-size:44px}
.interactive-spotlight .eyebrow{font-size:8px;letter-spacing:.11em}
.interactive-spotlight .button-row{gap:17px}
.interactive-spotlight .button{font-size:11px;gap:17px}
.interactive-spotlight .text-link{font-size:11px}
.interactive-ad-art{position:relative;height:330px;perspective:1100px}
.ad-tablet{position:absolute;inset:0 0 5px;background:#202f2b;border:9px solid #152d25;border-radius:16px;transform:rotateY(-15deg) rotateX(9deg) rotateZ(6deg);box-shadow:8px 5px 0 #63735d,20px 27px 35px #061c2766;overflow:hidden;color:var(--ink);display:flex;flex-direction:column}
.ad-toolbar{background:#e6eddb;padding:12px 17px;display:flex;justify-content:space-between;gap:10px;font-size:7px;font-weight:800;letter-spacing:.09em}
.ad-toolbar>span:last-child{color:#587347}.ad-screen{background:#fbfaee;padding:26px;flex:1;position:relative}
.ad-screen>span{font-size:6px;letter-spacing:.1em;font-weight:700;color:#70805f}
.ad-screen>strong{font-size:32px;line-height:1.04;letter-spacing:-.04em;display:block;font-weight:500;margin-top:15px}
.ad-screen em{color:#b36e48}.ad-vector{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:17px 0;color:#57734e;font-size:10px}
.ad-vector i{height:2px;flex:1;background:#c38454;position:relative}.ad-vector i::after{content:'';position:absolute;right:0;top:-4px;border-left:8px solid #c38454;border-top:5px solid transparent;border-bottom:5px solid transparent}
.ad-answer{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:7px 12px;border:1px solid #b7cbae;border-radius:4px;color:#427443;font-size:7px;letter-spacing:.08em;background:#ecf2df}
.ad-answer b{font-size:13px}.ad-tablet-foot{display:flex;justify-content:space-between;gap:10px;font-size:6px;letter-spacing:.12em;background:#ecf0e3;padding:8px 16px}
.ad-pencil{position:absolute;right:-10px;bottom:40px;width:10px;height:190px;border-radius:8px;background:linear-gradient(90deg,#b5945c,#f5dea4 30%,#d6b579 70%,#a47b3d);transform:rotate(21deg);box-shadow:7px 12px 15px #0c211740}
.ad-pencil::after{content:'';position:absolute;bottom:-17px;border-left:5px solid transparent;border-right:5px solid transparent;border-top:18px solid #bfb590}
.ad-badge{position:absolute;right:-20px;top:-20px;width:83px;height:83px;border-radius:50%;background:var(--lime);color:var(--ink);display:flex;flex-direction:column;justify-content:center;align-items:center;font-size:11px;line-height:1.7;box-shadow:0 7px 20px #12362328;transform:rotate(9deg)}
.ad-badge strong{font-size:12px}
.interactive-preview .section-heading{align-items:center}
.demo-format-tag{padding:18px 22px;border-left:1px solid #bcc9b2;min-width:215px}
.demo-format-tag>span{display:block;font-size:8px;font-weight:800;letter-spacing:.12em;color:#738368;margin-bottom:8px}
.demo-format-tag strong{display:block;font-size:17px;letter-spacing:-.03em}.demo-format-tag small{display:block;font-size:10px;color:var(--muted);margin-top:6px}
.interactive-features{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin:40px 0}
.interactive-features>div{padding-top:18px;border-top:1px solid #c6d1be}
.interactive-features span{font-family:var(--serif);font-size:17px;font-style:italic;color:#819172;display:block;margin-bottom:13px}
.interactive-features strong{font-size:16px;letter-spacing:-.03em;font-weight:600}.interactive-features p{font-size:11px;margin:10px 0 0;line-height:1.8}
.live-demo{background:var(--white);border:1px solid #c2cdb9;border-radius:16px;overflow:hidden;box-shadow:0 18px 45px #213d3410}
.live-demo-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:15px 20px;background:#f6f7ef;border-bottom:1px solid #ccd5c2}
.demo-tabs{display:flex;gap:6px;flex-wrap:wrap}.demo-tabs button{padding:10px 15px;border:1px solid transparent;background:transparent;border-radius:6px;font-size:11px;font-weight:700;min-height:43px}
.demo-tabs button span{font-size:9px;font-weight:500;margin-left:7px;opacity:.8}.demo-tabs button[aria-pressed=true]{color:#f5f7e9;background:var(--green);border-color:var(--green)}
.demo-external{display:flex;gap:15px;align-items:center;font-size:11px;font-weight:700;white-space:nowrap}
.demo-external>span{font-size:17px}.demo-external:hover{color:var(--clay)}
.demo-stage{min-height:590px;position:relative;background:#edf0e5}
.demo-stage iframe{display:block;width:100%;height:690px;max-width:100%;border:0;background:#eef1f6}
.demo-placeholder{text-align:center;display:flex;align-items:center;justify-content:center;flex-direction:column;min-height:590px;padding:45px 30px;background:radial-gradient(ellipse at 50% 30%,#fbfcef,#e4ebd9)}
.demo-play{width:82px;height:82px;display:grid;place-items:center;background:#d6e6bd;border:1px solid #c5d8a8;border-radius:50%;font-size:44px;padding-left:5px;margin-bottom:26px;color:var(--green);box-shadow:0 10px 30px #30513015}
.demo-placeholder h3{font-size:32px;max-width:560px;line-height:1.2;margin-bottom:22px}.demo-placeholder p:not(.eyebrow){font-size:13px;margin-bottom:25px;line-height:1.9}
.live-demo-foot{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 21px;font-size:9px;background:#f5f7ed;color:var(--muted);border-top:1px solid #ccd5c2}
.live-demo-foot a{font-size:10px;font-weight:700;color:var(--green)}
.kit-benefits{padding-top:12px}.kit-benefits .section-heading p{max-width:335px}
.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.benefit-card{background:#fffefa;border:1px solid var(--line);border-radius:12px;padding:27px}
.benefit-card>span{color:var(--clay);font-size:10px;font-weight:800;letter-spacing:.1em;display:block;margin-bottom:20px}
.benefit-card h3{font-size:21px;line-height:1.2;margin-bottom:14px}.benefit-card p{font-size:12px;margin:0;line-height:1.85}
.sample-open-links{display:flex;flex-direction:column;gap:9px;margin-top:17px}.sample-open-links a{font-size:11px;font-weight:600;padding:8px 0;border-bottom:1px solid var(--line)}
.sample-open-links a:hover{color:var(--clay)}
@media(max-width:1100px){.immersive-card{min-height:343px;padding:28px}.immersive-card .audience-copy>strong{font-size:31px}.immersive-card .audience-copy>.eyebrow{font-size:7px}.immersive-card .audience-copy>span:not(.eyebrow):not(.role-cta){font-size:11px}.audience-canvas{height:285px;width:61%;right:-13px}.immersive-card .role-cta{margin-top:64px;font-size:9px;gap:12px}.interactive-spotlight{gap:32px;padding:40px;min-height:470px}.interactive-spotlight h2{font-size:38px}.interactive-ad-art{height:315px}.ad-screen{padding:20px}.ad-screen>strong{font-size:29px}.ad-vector{font-size:8px;gap:9px}.ad-badge{right:-11px;top:-15px;scale:.88}.ad-toolbar{font-size:6px;padding:11px}.ad-screen>span{font-size:5px}.interactive-features{gap:22px}.benefit-card{padding:23px}.benefit-card h3{font-size:19px}}
@media(max-width:900px){.immersive-card{min-height:375px;padding:25px}.immersive-card .audience-copy{width:100%}.immersive-card .audience-copy>strong{font-size:31px}.immersive-card .audience-copy>span:not(.eyebrow):not(.role-cta){max-width:175px}.immersive-card .audience-copy>.eyebrow{max-width:none;font-size:7px}.audience-canvas{width:75%;height:260px;bottom:0;right:-29px}.immersive-card .role-cta{margin-top:133px;font-size:9px;gap:12px}.audience-heading-tools p{font-size:11px}.interactive-spotlight{padding:35px;gap:25px}.interactive-spotlight h2{font-size:33px}.interactive-ad-art{height:300px}.ad-screen>strong{font-size:26px}.ad-toolbar{font-size:5px}.ad-screen>span{font-size:5px}.ad-answer{font-size:6px}.ad-vector{flex-wrap:wrap;gap:6px;font-size:8px}.ad-vector i{min-width:20px}.interactive-features{grid-template-columns:repeat(2,1fr);gap:25px}.demo-format-tag{min-width:185px;padding:15px 18px}.demo-format-tag strong{font-size:15px}.demo-tabs button span{display:none}.demo-stage iframe{height:720px}.benefit-grid{grid-template-columns:repeat(2,1fr)}.benefit-card p{font-size:11px}.demo-placeholder h3{font-size:28px}}
@media(max-width:620px){.immersive-card{min-height:375px;padding:27px}.immersive-card .audience-copy{width:100%}.immersive-card .audience-copy>strong{font-size:34px}.immersive-card .audience-copy>span:not(.eyebrow):not(.role-cta){max-width:210px;font-size:12px}.immersive-card .audience-copy>.eyebrow{font-size:7px;margin-bottom:17px}.audience-canvas{height:260px;width:77%;right:-38px;bottom:-4px}.immersive-card .role-cta{margin-top:125px;font-size:10px;gap:13px}.immersive-card .role-cta b{width:29px;height:29px}.audience-heading-tools{align-items:flex-start;gap:16px;margin-top:19px}.audience-heading-tools p{text-align:left;font-size:12px}.audience-heading-tools p br{display:none}.scene-control{font-size:9px;min-height:35px}.interactive-spotlight{grid-template-columns:1fr;padding:34px 27px 35px;gap:45px}.interactive-spotlight h2{font-size:37px}.interactive-spotlight .eyebrow{font-size:7px;letter-spacing:.09em}.interactive-spotlight .button-row{gap:17px}.interactive-spotlight .button{font-size:10px;padding-inline:14px}.interactive-ad-art{height:310px;margin-inline:8px}.ad-tablet{inset:0 0 10px;border-width:7px;transform:rotateY(-10deg) rotateX(8deg) rotateZ(4deg)}.ad-screen{padding:21px 18px}.ad-screen>strong{font-size:29px}.ad-screen>span{font-size:5px}.ad-toolbar{font-size:6px;padding:10px 12px}.ad-vector{font-size:8px;gap:7px;padding-block:20px;flex-wrap:nowrap}.ad-badge{right:-17px;top:-23px;width:77px;height:77px}.ad-pencil{right:-6px;bottom:32px;height:145px;width:8px}.ad-pencil::after{border-inline-width:4px}.demo-format-tag{margin-top:23px;min-width:0;padding:0 0 0 16px}.demo-format-tag strong{font-size:17px}.demo-format-tag>span{font-size:8px;margin-bottom:5px}.demo-format-tag small{font-size:10px}.interactive-features{gap:24px 20px;margin:29px 0}.interactive-features strong{font-size:16px}.interactive-features p{font-size:10px}.interactive-features span{font-size:17px;margin-bottom:10px}.live-demo{border-radius:12px}.live-demo-bar{display:block;padding:13px}.demo-tabs{display:flex;gap:5px}.demo-tabs button{flex:1;min-width:0;padding:10px;font-size:11px}.demo-external{font-size:10px;justify-content:space-between;margin-top:13px;padding:9px 3px 0;border-top:1px solid var(--line)}.demo-stage{min-height:500px}.demo-stage iframe{height:690px}.demo-placeholder{min-height:500px;padding:35px 20px}.demo-placeholder h3{font-size:26px}.demo-placeholder p:not(.eyebrow){font-size:11px}.demo-play{width:68px;height:68px;font-size:38px;margin-bottom:24px}.demo-placeholder .eyebrow{font-size:8px}.live-demo-foot{display:block;padding:15px;line-height:1.8}.live-demo-foot>span{font-size:8px;display:block;margin-bottom:7px}.live-demo-foot a{font-size:10px}.interactive-preview .preview-footnote{font-size:10px}.kit-benefits{padding-top:0}.benefit-grid{grid-template-columns:1fr;gap:16px}.benefit-card{padding:26px}.benefit-card>span{font-size:9px;margin-bottom:17px}.benefit-card h3{font-size:22px}.benefit-card p{font-size:12px}.kit-benefits .section-heading p{max-width:none}.sample-meta span{font-size:8px}.sample-open-links a{font-size:11px}}
@media(max-width:370px){.immersive-card{padding:24px;min-height:372px}.immersive-card .audience-copy>strong{font-size:31px}.immersive-card .audience-copy>span:not(.eyebrow):not(.role-cta){font-size:11px}.immersive-card .role-cta{margin-top:137px;font-size:9px!important}.audience-canvas{height:242px;width:78%;right:-31px;bottom:5px}.interactive-spotlight{padding:30px 23px}.interactive-spotlight h2{font-size:33px}.interactive-ad-art{height:295px;margin-inline:4px}.ad-screen>strong{font-size:26px}.ad-screen>span{font-size:4px}.ad-vector{font-size:7px}.demo-placeholder h3{font-size:23px}.demo-tabs button{font-size:10px}}
@media(prefers-reduced-motion:reduce){.audience-canvas{transition:none}.immersive-card:hover{transform:none}}

/* Give the moving objects their own space, away from the copy. */
.physics-stage{height:590px;border-radius:34px}
.physics-stage .stage-top{top:26px;left:28px;right:28px;flex-direction:row;font-size:8px}
.physics-stage .scene-label{top:72px;bottom:auto;left:20px;right:20px;text-align:center}
.physics-stage .scene-label>span{font-size:9px;color:var(--green);letter-spacing:.19em}
.physics-stage .scene-label strong{font-family:var(--sans);font-size:39px;font-weight:650;line-height:1.14;letter-spacing:-.05em;margin-top:9px}
.physics-stage .scene-label em{font-family:inherit;font-weight:inherit;font-style:normal;letter-spacing:inherit;color:inherit}
.physics-stage #physics-canvas{inset:148px 0 52px;width:100%;height:calc(100% - 200px)}
.physics-stage .stage-bottom{bottom:19px;font-size:10px}
.audience-grid .immersive-card{height:580px;min-height:580px;padding:30px}
.immersive-card .audience-copy{width:100%;position:static}
.immersive-card .audience-copy>.eyebrow{font-size:9px;max-width:none;margin-bottom:16px}
.immersive-card .audience-copy>strong{font-size:36px}
.immersive-card .audience-copy>span:not(.eyebrow):not(.role-cta){font-size:13px;max-width:none;line-height:1.65}
.immersive-card .audience-copy>span:not(.eyebrow):not(.role-cta) br{display:none}
.immersive-card .role-cta{position:absolute;bottom:26px;left:30px;right:30px;margin-top:0!important;display:flex;justify-content:space-between;font-size:11px!important;border-top:1px solid #b9c7af;padding-top:18px}
.immersive-card .audience-canvas{inset:162px 0 auto;width:100%;height:323px}
.audience-scene-note{position:absolute;top:481px;left:24px;right:24px;text-align:center;font-size:11px;color:#4d6656;pointer-events:none}
.immersive-card .audience-fallback{bottom:125px;right:25%;scale:1.1}
@media(max-width:1100px){.physics-stage{height:565px}.physics-stage .scene-label strong{font-size:34px}.audience-grid .immersive-card{padding:26px}.immersive-card .audience-copy>strong{font-size:32px}.immersive-card .role-cta{left:26px;right:26px}}
@media(max-width:900px){.physics-stage{height:505px}.physics-stage .scene-label strong{font-size:29px}.physics-stage .stage-top{font-size:6px;left:20px;right:20px}.physics-stage .stage-bottom{font-size:8px;left:20px;right:20px}.audience-grid .immersive-card{height:550px;min-height:550px;padding:24px}.immersive-card .audience-copy>strong{font-size:30px}.immersive-card .audience-copy>span:not(.eyebrow):not(.role-cta){font-size:12px}.immersive-card .audience-copy>.eyebrow{font-size:7px}.immersive-card .audience-canvas{top:169px;height:286px}.audience-scene-note{top:455px;font-size:10px}.immersive-card .role-cta{left:24px;right:24px}}
@media(max-width:620px){.physics-stage{height:460px;max-width:460px;border-radius:28px}.physics-stage .scene-label{top:65px}.physics-stage .scene-label strong{font-size:33px}.physics-stage #physics-canvas{inset:132px 0 48px;height:calc(100% - 180px)}.physics-stage .stage-bottom{font-size:9px}.audience-grid .immersive-card{height:565px;min-height:565px;padding:27px}.immersive-card .audience-copy>strong{font-size:35px}.immersive-card .audience-copy>span:not(.eyebrow):not(.role-cta){font-size:12px}.immersive-card .audience-copy>.eyebrow{font-size:8px}.immersive-card .audience-canvas{top:159px;height:313px}.audience-scene-note{top:472px;font-size:10px}.immersive-card .role-cta{left:27px;right:27px;font-size:11px!important}}
@media(max-width:370px){.physics-stage .scene-label strong{font-size:29px}.physics-stage .stage-bottom{font-size:8px}.audience-grid .immersive-card{padding:23px}.immersive-card .audience-copy>strong{font-size:31px}.immersive-card .audience-copy>span:not(.eyebrow):not(.role-cta){font-size:11px}.immersive-card .audience-copy>.eyebrow{font-size:7px}.immersive-card .role-cta{left:23px;right:23px}}
.physics-stage .scene-label strong{display:flex;justify-content:center;align-items:baseline;gap:.24em;flex-wrap:wrap}
.physics-stage .scene-label>span{font-size:12px}
.audience-grid .immersive-card .audience-copy{position:absolute;inset:30px 30px 26px;width:auto}
.audience-grid .immersive-card .role-cta{bottom:0;left:0;right:0}
@media(max-width:1100px){.audience-grid .immersive-card .audience-copy{inset:26px 26px 26px}}
@media(max-width:900px){.audience-grid .immersive-card .audience-copy{inset:24px 24px 26px}}
@media(max-width:620px){.audience-grid .immersive-card .audience-copy{inset:27px 27px 26px}}
@media(max-width:370px){.audience-grid .immersive-card .audience-copy{inset:23px 23px 26px}}
.physics-stage .scene-fallback{top:205px;left:50%;width:185px;height:235px;scale:1;transform:translateX(-50%) rotate(-25deg);transform-origin:center}
.physics-stage .scene-fallback b{width:65px;height:65px;left:33%}
@media(max-width:620px){.physics-stage .scene-fallback{top:176px;width:155px;height:200px}}