.trig-page{background:var(--cream)}
.trig-hero{display:grid;gap:42px;padding:48px 0 82px}.trig-hero h1{font:700 clamp(43px,10vw,72px)/1.04 'Fredoka';letter-spacing:-.03em;margin:12px 0 22px}.trig-hero h1 em{color:var(--purple);font-style:normal}.trig-hero-copy>p:not(.eyebrow){max-width:650px;color:var(--muted);font-size:17px}.hero-actions{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin-top:26px}.breadcrumb{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:22px;color:var(--muted);font-size:13px}.breadcrumb a{color:var(--purple);text-decoration:none}
.hero-triangle{display:grid;place-items:center;min-height:360px;padding:24px;border-radius:32px;background:#ece9ff;overflow:hidden}.hero-triangle svg{width:100%;max-width:450px}.hero-triangle-fill{fill:#d7d1ff}.hero-side,.hero-hyp{stroke:#4436bd;stroke-width:6;stroke-linecap:round}.hero-hyp{stroke:#f36f56}.right-angle,.angle-arc{fill:none;stroke:#4436bd;stroke-width:4}.theta-label{font:700 24px 'Fredoka';fill:#4436bd}.side-label{font:700 15px 'Fredoka';fill:#3e3766}.hyp-label{fill:#c7523d}.hero-triangle p{margin:0;color:#514a78;text-align:center}
.concept-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.concept-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px}.concept-grid>div{display:grid;place-items:center;text-align:center;gap:4px;padding:24px 10px}.concept-grid span{font-size:29px}.concept-grid strong{font:700 17px 'Fredoka'}.concept-grid small{color:var(--muted)}
.trig-section,.example-section,.special-section{padding:82px 0}.section-intro{max-width:760px;margin-bottom:34px}.section-intro h2{font:700 clamp(34px,7vw,50px)/1.1 'Fredoka';margin:7px 0 12px}.section-intro>p:last-child{color:var(--muted);font-size:17px}.side-cards{display:grid;gap:18px}.side-cards article{padding:26px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 14px 32px rgba(43,35,104,.07)}.side-cards h3{font:700 26px 'Fredoka';margin:14px 0 8px}.side-cards p{color:var(--muted)}.side-cards b{font-size:13px;color:#5b5477}.side-chip{display:inline-flex;padding:6px 11px;border-radius:99px;font-size:11px;font-weight:800;letter-spacing:.1em}.side-chip.opposite{background:#ffe3dc;color:#a73e2c}.side-chip.adjacent{background:#e1f5e7;color:#246a42}.side-chip.hypotenuse{background:#e8e3ff;color:#5140b4}.why-box{display:grid;grid-template-columns:auto 1fr;gap:17px;align-items:start;margin-top:24px;padding:22px 24px;border-radius:22px;background:#fff4c9}.why-box>span{font-size:31px}.why-box b{font:700 20px 'Fredoka'}.why-box p{margin:5px 0 0;color:#66572d}
.ratio-section,.lab-section,.use-section,.quiz-section{padding:82px 0;background:var(--purple);color:#fff}.light-intro .eyebrow{color:#d9d4ff}.light-intro>p:last-child{color:#e4e0ff}.ratio-grid{display:grid;gap:18px}.ratio-card{padding:28px;border-radius:25px;background:#fff;color:#25203d}.ratio-name{display:inline-flex;padding:6px 11px;border-radius:99px;font-size:11px;font-weight:800;letter-spacing:.12em}.sin-card .ratio-name{background:#ffe4de;color:#a6402e}.cos-card .ratio-name{background:#e4f7e9;color:#266b43}.tan-card .ratio-name{background:#fff2c4;color:#7a5e00}.ratio-card h3{font:700 25px 'Fredoka';margin:15px 0 18px}.fraction{display:inline-grid;grid-template-rows:auto 2px auto;gap:6px;min-width:120px;text-align:center;font:700 20px 'Fredoka'}.fraction i{height:2px;background:#25203d}.ratio-card p{margin:18px 0 0;color:#696278}.memory-line{display:grid;gap:10px;margin-top:22px;padding:19px 22px;border:1px solid rgba(255,255,255,.2);border-radius:20px;background:rgba(255,255,255,.08)}.memory-line strong{font:700 24px 'Fredoka';color:var(--yellow)}.memory-line span{color:#eeeaff}
.example-layout{display:grid;gap:28px}.ladder-scene{position:relative;min-height:330px;border-radius:28px;background:#e7f4ff;overflow:hidden}.wall{position:absolute;right:15%;top:12%;bottom:16%;width:12px;background:#8798aa}.floor{position:absolute;left:10%;right:10%;bottom:16%;height:12px;background:#6e7e65}.ladder{position:absolute;left:31%;bottom:17%;width:10px;height:250px;background:#f36f56;transform-origin:bottom center;transform:rotate(60deg);border-radius:8px}.ladder-angle,.ladder-length,.ladder-height{position:absolute;padding:6px 9px;border-radius:10px;background:#fff;font-weight:800;color:#423b67;box-shadow:0 6px 18px rgba(48,51,78,.12)}.ladder-angle{left:26%;bottom:19%}.ladder-length{left:48%;top:37%}.ladder-height{right:18%;top:45%}.example-steps{display:grid;gap:14px}.example-steps>div{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;padding:20px;border:1px solid var(--line);border-radius:20px;background:#fff}.example-steps span{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:#eae6ff;color:var(--purple);font:700 18px 'Fredoka'}.example-steps p{margin:4px 0;color:#544d6b}
.lab-section{background:#28204f}.lab-grid{display:grid;gap:24px}.lab-controls,.dynamic-triangle-card{padding:26px;border-radius:25px;background:#fff;color:#29233f}.lab-controls label>span{display:flex;justify-content:space-between;gap:14px;align-items:center}.lab-controls label b{font:700 20px 'Fredoka'}.lab-controls output{font:700 26px 'Fredoka';color:var(--purple)}.lab-controls input[type=range]{width:100%;margin:18px 0 24px;accent-color:var(--purple)}.ratio-results{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.ratio-results>div{padding:15px 10px;border-radius:16px;background:#f4f2ff;text-align:center}.ratio-results span,.ratio-results small{display:block;color:#70698a;font-size:12px}.ratio-results strong{display:block;margin:5px 0;font:700 21px 'Fredoka';color:#4436bd}.side-results{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:13px}.side-results p{margin:0;padding:12px 8px;border:1px solid #ece9f7;border-radius:14px;text-align:center;font-size:12px;color:#6b6480}.side-results b{display:block;margin-top:3px;font:700 17px 'Fredoka';color:#29233f}.dynamic-triangle-card{display:grid;place-items:center}.dynamic-triangle-card svg{width:100%;max-width:430px}.dynamic-triangle-card line{stroke:#5b4bdb;stroke-width:6;stroke-linecap:round}.dynamic-triangle-card #hypLine{stroke:#f36f56}.dynamic-triangle-card path{fill:none;stroke:#5b4bdb;stroke-width:3}.dynamic-triangle-card text{font:700 14px 'Fredoka';fill:#514a6d}.dynamic-triangle-card #thetaText{font-size:18px;fill:#4436bd}.dynamic-triangle-card p{margin:8px 0 0;color:#5b5472;text-align:center;min-height:48px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:22px;background:#fff}.table-wrap table{width:100%;min-width:540px;border-collapse:collapse}.table-wrap th,.table-wrap td{padding:18px 20px;border-bottom:1px solid var(--line);text-align:center}.table-wrap thead th{background:#eeeaff;color:#4336a5;font:700 17px 'Fredoka'}.table-wrap tbody th{font:700 20px 'Fredoka';color:#40385f}.table-wrap tbody td{font:700 18px 'Fredoka';color:#5c5570}.table-wrap tr:last-child th,.table-wrap tr:last-child td{border-bottom:0}.pattern-box{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;margin-top:20px;padding:20px 22px;border-radius:20px;background:#e5f5ea}.pattern-box span{font-size:29px}.pattern-box p{margin:3px 0;color:#3e5c49}
.use-section{background:#f36f56}.use-grid{display:grid;gap:16px}.use-grid article{padding:25px;border-radius:23px;background:#fff;color:#29233f}.use-grid span{font-size:34px}.use-grid h3{font:700 24px 'Fredoka';margin:12px 0 7px}.use-grid p{margin:0;color:#665f77}
.quiz-section{background:#fff;color:#29233f}.quiz-layout{display:grid;gap:28px}.quiz-layout>div:first-child .eyebrow{color:var(--purple)}.quiz-layout>div:first-child h2{font:700 clamp(34px,7vw,48px)/1.1 'Fredoka';margin:8px 0}.quiz-layout>div:first-child p:last-child{color:var(--muted)}.quiz-card{padding:26px;border-radius:25px;background:#29204f;color:#fff}.quiz-progress{display:flex;justify-content:space-between;gap:10px;color:#cfc9ef;font-size:12px}.quiz-card h3{font:700 25px/1.25 'Fredoka';margin:20px 0}.quiz-options{display:grid;gap:10px}.quiz-options button{width:100%;padding:14px 16px;border:1px solid #4b416e;border-radius:15px;background:#3a315e;color:#fff;text-align:left;font:700 15px inherit;cursor:pointer}.quiz-options button:hover{background:#4a3e78}.quiz-options button.correct{border-color:#86d9a7;background:#245d3a}.quiz-options button.wrong{border-color:#f49b8a;background:#733d36}.quiz-options button:disabled{cursor:default}.quiz-feedback{min-height:45px;color:#ddd7f7}.quiz-card .button{margin-top:8px}.quiz-card .button[hidden]{display:none}
.remember-section{display:grid;gap:20px;padding:82px 0}.remember-card,.next-card{padding:28px;border:1px solid var(--line);border-radius:26px;background:#fff}.remember-card h2,.next-card h2{font:700 31px 'Fredoka';margin:8px 0 14px}.remember-card ol{display:grid;gap:9px;padding-left:22px;color:#554e68}.big-memory{margin:22px 0 0;padding:14px;border-radius:15px;background:#eeeaff;color:#4436bd;text-align:center;font:700 25px 'Fredoka';letter-spacing:.08em}.next-card>span{font-size:38px}.next-card>p:not(.eyebrow){color:var(--muted)}.next-card .button{margin-top:10px}
.trig-share{padding:65px 0;background:#fff1c4}.share-panel{display:grid;gap:16px;align-items:center}.share-panel h2{font:700 34px 'Fredoka';margin:6px 0}.share-panel p:not(.eyebrow){color:#6f6033}.share-panel>#shareFeedback{grid-column:1/-1;margin:0;font-size:13px;color:#6a5a2d}
@media(min-width:760px){.trig-hero{grid-template-columns:1.05fr .95fr;align-items:center;gap:62px;padding:72px 0 105px}.side-cards,.ratio-grid,.use-grid{grid-template-columns:repeat(3,1fr)}.memory-line{grid-template-columns:auto 1fr auto 1fr auto 1fr;align-items:center}.example-layout,.lab-grid,.quiz-layout{grid-template-columns:1fr 1fr;align-items:center}.remember-section{grid-template-columns:1.15fr .85fr}.share-panel{grid-template-columns:1fr auto}.side-cards article{min-height:210px}}
@media(max-width:650px){.concept-grid{grid-template-columns:1fr}.concept-grid>div{grid-template-columns:auto 1fr;grid-template-rows:auto auto;text-align:left;place-items:start;column-gap:12px}.concept-grid>div span{grid-row:1/3}.ratio-results,.side-results{grid-template-columns:1fr}.hero-triangle{min-height:300px}.trig-section,.example-section,.special-section,.ratio-section,.lab-section,.use-section,.quiz-section{padding:64px 0}.memory-line{grid-template-columns:auto 1fr}.ladder-scene{min-height:285px}.ladder{height:210px}.ladder-length{left:44%;top:36%}.lab-controls,.dynamic-triangle-card,.quiz-card{padding:20px}.table-wrap{margin-right:-14px}.remember-section{padding:64px 0}.share-panel h2{font-size:29px}}