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/* A controllable walkthrough of an example study session. */
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/* Two matching photographs suggest a glance toward the laptop before the walkthrough. */
.hero{isolation:isolate;background:#1a332b;overflow:hidden}.hero::before,.hero::after{content:"";position:absolute;inset:0;z-index:-1;background-position:center 48%;background-size:cover;transform:scale(1);transition:opacity .45s ease,transform 2s ease}.hero::before{background-image:linear-gradient(90deg,rgba(15,36,30,.91) 0%,rgba(18,38,31,.78) 38%,rgba(18,38,31,.12) 75%),url('assets/study-audio-laptop.jpg')}.hero::after{background-image:linear-gradient(90deg,rgba(15,36,30,.91) 0%,rgba(18,38,31,.78) 38%,rgba(18,38,31,.12) 75%),url('assets/study-audio-notes.jpg')}.hero.is-journey::after{opacity:0}.hero.is-journey::before,.hero.is-journey::after{transform:scale(1.045)}
@media(max-width:700px){.hero{background:#1a332b}.hero::before,.hero::after{background-position:64% center}.hero::before{background-image:linear-gradient(0deg,rgba(14,35,29,.95) 0%,rgba(14,35,29,.86) 48%,rgba(14,35,29,.12) 100%),url('assets/study-audio-laptop.jpg')}.hero::after{background-image:linear-gradient(0deg,rgba(14,35,29,.95) 0%,rgba(14,35,29,.86) 48%,rgba(14,35,29,.12) 100%),url('assets/study-audio-notes.jpg')}}
@media(prefers-reduced-motion:reduce){.hero::before,.hero::after{transition:none}.hero.is-journey::before,.hero.is-journey::after{transform:none}}

/* A quiet invitation sits over the photograph without blocking the main offer. */
.hero-preview{position:absolute;right:5%;bottom:32px;display:flex;align-items:center;gap:12px;max-width:300px;padding:14px 16px;background:#f9fbf5;color:#183a34;border:1px solid #e4ebe0;border-radius:5px;box-shadow:0 12px 35px #10251d38;animation:preview-enter .6s .4s both}.hero-preview:hover{background:#eaf3e7}.hero-preview-play{display:grid;place-items:center;flex:none;width:38px;height:38px;border-radius:50%;background:#d9ead7;font-size:11px;padding-left:2px}.hero-preview strong,.hero-preview small{display:block}.hero-preview strong{font-size:12px;line-height:1.35}.hero-preview small{font-size:11px;color:#567360;margin-top:5px}.hero-preview small span{margin-left:4px}@keyframes preview-enter{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media(max-width:700px){.hero-preview{top:20px;bottom:auto;right:auto;left:6%;max-width:250px;padding:10px 12px;gap:9px}.hero-preview-play{width:32px;height:32px;font-size:10px}.hero-preview strong{font-size:11px}.hero-preview small{font-size:10px;margin-top:3px}}@media(prefers-reduced-motion:reduce){.hero-preview{animation:none}}

/* Account navigation and editorial study guides. */
.header-account{display:flex;align-items:center;gap:22px;font-size:12px;font-weight:700}.header-account>a:first-child:hover{text-decoration:underline;text-underline-offset:5px}.number-highlight{position:relative;white-space:nowrap;display:inline-block}.number-highlight::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:3px;background:#a5c992;border-radius:100%;transform:rotate(-2deg)}.hero .number-highlight{color:#fff;font-weight:700}.articles{background:#f9faf5}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:55px}.article-grid article{display:flex;flex-direction:column;align-items:flex-start;min-height:255px;padding:28px;background:#fff;border:1px solid #dce6dc;border-radius:4px}.article-category{font-size:10px;letter-spacing:.1em;font-weight:800;color:#6d8d76}.article-grid h3{font-size:21px;line-height:1.3;margin-top:25px}.article-grid h3 a:hover{text-decoration:underline;text-underline-offset:4px}.article-grid p{font-size:13px;line-height:1.75;color:var(--muted);margin:12px 0 24px}.article-link{margin-top:auto;font-size:12px;font-weight:700;border-bottom:1px solid #9ab5a0;padding-bottom:5px}.article-link span{margin-left:10px}.account-note{display:flex;align-items:center;justify-content:space-between;gap:35px;padding:48px 8%;background:#e8f0e4}.account-note h2{font-size:28px;margin:10px 0}.account-note p:not(.eyebrow){color:var(--muted);font-size:14px;line-height:1.7;max-width:620px}.account-note .button{flex-shrink:0}.article-header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 8%;background:#fff;border-bottom:1px solid var(--line)}.article-back{font-size:12px;font-weight:700}.article-page{max-width:850px;margin:auto;padding:90px 6% 100px}.article-page h1{font-size:clamp(38px,5vw,64px);line-height:1.1;margin:22px 0}.article-intro{font-size:18px;line-height:1.7;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:35px}.article-body{max-width:680px}.article-body h2{font-size:25px;line-height:1.25;margin:38px 0 12px}.article-body p{font-size:16px;line-height:1.8;color:#425b4d;margin:14px 0}.article-body a{text-decoration:underline;text-underline-offset:3px}.article-end{margin-top:50px;padding:28px;background:#e8f0e4}.article-end p{font-weight:700;margin-bottom:16px}@media(max-width:900px){.header-account{display:none}}@media(max-width:700px){.article-grid{grid-template-columns:1fr;margin-top:38px}.article-grid article{min-height:0}.article-grid h3{margin-top:16px}.account-note{align-items:flex-start;flex-direction:column;padding:40px 6%}.article-header{padding:20px 6%}.article-back{font-size:11px}.article-page{padding:65px 6% 75px}.article-intro{font-size:16px}}

/* A static four-step study workflow. */
.study-workflow{padding:105px 8%;background:#f9faf5}.study-workflow h2{font-size:clamp(39px,4.3vw,60px);line-height:1.12;letter-spacing:-.065em;margin-top:20px}.study-workflow h2 em{color:#78a487}.workflow-steps{list-style:none;padding:0;margin:58px 0 0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}.workflow-steps li{min-width:0;padding-top:28px;border-top:1px solid var(--line)}.workflow-number{color:#799884;font-size:11px;font-weight:700}.workflow-steps h3{font-size:20px;margin-top:40px}.workflow-steps p{font-size:13px;line-height:1.75;color:var(--muted);margin-top:10px}@media(max-width:900px){.workflow-steps{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:40px}}@media(max-width:700px){.study-workflow{padding:72px 6%}.study-workflow h2{font-size:clamp(38px,9vw,48px)}.workflow-steps{grid-template-columns:1fr;gap:24px;margin-top:38px}.workflow-steps li{padding-top:23px}.workflow-steps h3{margin-top:13px}}

/* Lists and topic links in study guides */
.study-list{padding-left:1.4rem;color:#425b4d;font-size:16px;line-height:1.8}.study-list li{padding-left:.25rem;margin:12px 0}.topics-note a{text-decoration:underline;text-underline-offset:3px}
.topic-list h3 a:hover{text-decoration:underline;text-underline-offset:4px}
@media(max-width:700px){.footer-links{flex-wrap:wrap;row-gap:14px}}

/* Free and full-access offers */
.pricing{grid-template-columns:minmax(0,.8fr) minmax(0,1.5fr);gap:7%}
.price-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-items:stretch}
.price-card{display:flex;flex-direction:column;align-items:stretch;min-width:0;padding:28px}
.price-card .price{font-size:clamp(32px,3vw,43px)}
.price-card .price small{white-space:normal}
.price-list{list-style:none;padding:0;margin:20px 0;color:#425b4d;font-size:13px;line-height:1.6}
.price-list li{position:relative;padding-left:20px;margin:8px 0}
.price-list li::before{content:'✓';position:absolute;left:0;color:#568567;font-weight:700}
.price-card .button{margin-top:auto;gap:12px}
.button-outline{border:1px solid #789b83;color:#183a34;background:#fff}
.button-outline:hover{background:#edf5e8}
@media(max-width:900px){.pricing{grid-template-columns:1fr;gap:35px}}
@media(max-width:700px){.price-options{grid-template-columns:1fr}.price-card{padding:25px}}

/* Vector icons keep the same quiet linework on desktop and mobile. */
.icon{display:inline-block;width:18px;height:18px;flex:none;vertical-align:middle}
.header-cta .icon,.hero-link .icon,.article-link .icon,.inline-link .icon{margin-left:7px}
.hero-preview small .icon{width:13px;height:13px;margin-left:4px}
.hero-preview-play{padding:0}
.hero-preview-play .icon{width:17px;height:17px}
.practice-aside>.icon{width:25px;height:25px;color:#c4dfa7}

/* Full-length questions and a stable explanation area, without a moving cursor. */
.platform{grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:7%}
.platform-copy,.platform-demo,.quiz{min-width:0}
.demo-content h3{max-width:none;font-size:18px;line-height:1.5;letter-spacing:-.035em}
.demo-options>div{align-items:flex-start;line-height:1.6;padding:10px}
.demo-choice b{flex:none}
.demo-explanation{opacity:1;transform:none;font-size:12px;line-height:1.7;transition:none;padding:14px}
.demo-explanation[hidden]{display:block;visibility:hidden}
.demo-explanation p,.feedback p{margin-top:8px}
.question-reference{font-size:11px;line-height:1.7}
.question-reference a{text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
.demo-buttons button{display:grid;place-items:center;width:44px;height:44px}
.quiz h3{font-size:21px;line-height:1.5;letter-spacing:-.035em}
.answers button{line-height:1.6}
.feedback-result{display:block}
.gallery-invitation{margin-top:30px;padding-top:22px;border-top:1px solid var(--line);max-width:390px}
.gallery-invitation p{font-size:13px;line-height:1.7;color:var(--muted)}
.gallery-trigger{background:none;color:var(--ink);border:0;border-bottom:1px solid currentColor;cursor:pointer;padding:10px 0 6px;margin-top:3px;min-height:44px}

/* A deliberately simple, screenshot-first lightbox. */
.gallery-open{overflow:hidden}
.gallery-dialog{width:min(1080px,calc(100% - 48px));max-width:none;max-height:calc(100dvh - 48px);padding:30px;background:#f8faf5;color:var(--ink);border:1px solid var(--line);border-radius:8px;box-shadow:0 28px 100px #092b2440;overscroll-behavior:contain}
.gallery-dialog::backdrop{background:#0c241ed9;backdrop-filter:blur(5px)}
.gallery-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:24px}
.gallery-heading h2{font-size:28px;margin-top:9px;line-height:1.2}
.gallery-heading p:not(.eyebrow){font-size:13px;line-height:1.6;color:var(--muted);margin-top:10px}
.gallery-close,.gallery-controls button{display:grid;place-items:center;flex:none;width:44px;height:44px;background:transparent;color:var(--ink);border:1px solid #b9cbbc;border-radius:50%;cursor:pointer}
.gallery-close:hover,.gallery-controls button:hover{background:#e6efe2}
.gallery-controls button:disabled{opacity:.35;cursor:default}
.gallery-figure{margin:0}
.gallery-stage{display:grid;place-items:center;min-height:200px;background:#e8eee5;border:1px solid var(--line);border-radius:4px;overflow:hidden;touch-action:pan-y pinch-zoom}
.gallery-image{display:block;max-width:100%;max-height:65dvh;width:auto;height:auto;object-fit:contain}
.gallery-image[hidden]{display:none}
.gallery-figure figcaption{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-top:18px}
.gallery-count{font-size:10px;letter-spacing:.1em;color:var(--muted);font-weight:700}
.gallery-caption{font-size:14px;line-height:1.6;margin-top:5px}
.gallery-controls{display:flex;gap:8px}
.gallery-empty{text-align:center;padding:70px 24px;background:#eaf0e6;border-radius:4px}
.gallery-empty p{font-size:17px;font-weight:600;line-height:1.5}
.gallery-empty span{display:block;font-size:13px;line-height:1.7;color:var(--muted);margin-top:10px}
.gallery-error{font-size:14px;line-height:1.7;padding:30px;text-align:center}
@media(max-width:900px){.platform{gap:4%}.platform-demo{padding:18px}.demo-content{padding:22px}.demo-controls>div:first-child{flex-direction:column;align-items:flex-start;gap:5px}}
@media(max-width:700px){
  .platform{grid-template-columns:minmax(0,1fr);gap:30px}
  .platform-demo{padding:12px}
  .demo-content{padding:20px 16px}
  .demo-content h3{font-size:17px;line-height:1.5}
  .demo-options>div{font-size:12px;gap:8px;padding:10px 8px}
  .demo-options span{width:21px;height:23px}
  .demo-controls{gap:8px;align-items:center}
  .demo-description{font-size:11px;line-height:1.5}
  .demo-buttons{gap:3px}
  .demo-buttons button{width:44px;height:44px}
  .quiz{padding:22px 18px}
  .quiz h3{font-size:20px}
  .gallery-dialog{width:calc(100% - 24px);max-height:calc(100dvh - 24px);padding:18px}
  .gallery-heading{gap:12px}
  .gallery-heading h2{font-size:24px}
  .gallery-empty{padding:48px 18px}
  .gallery-stage{min-height:160px}
}

/* Simulator captures already contain the status bar and Dynamic Island. */
.gallery-stage{min-height:0;padding:22px;background:radial-gradient(ellipse at 50% 30%,#f6f8f1,#e3ebe0);overflow:visible}
.gallery-device{position:relative;min-width:0;max-width:100%;padding:0}
.gallery-image{max-height:clamp(90px,calc(100dvh - 360px),650px);border-radius:3px}
.gallery-stage[data-device="iphone"] .gallery-device{padding:8px;border:2px solid #5c605d;border-radius:38px;background:#171a18;box-shadow:0 2px 0 #a7ada8 inset,0 18px 36px #183a3426}
.gallery-stage[data-device="iphone"] .gallery-image{border-radius:28px}
.gallery-stage[data-device="iphone"] .gallery-device::before,.gallery-stage[data-device="iphone"] .gallery-device::after{content:"";position:absolute;width:3px;border-radius:2px;background:#545a55}
.gallery-stage[data-device="iphone"] .gallery-device::before{left:-4px;top:18%;height:12%;box-shadow:0 48px 0 #545a55}
.gallery-stage[data-device="iphone"] .gallery-device::after{right:-4px;top:27%;height:16%}
.gallery-stage:has(.gallery-image[hidden]) .gallery-device{display:none}
@media(max-width:700px){.gallery-stage{padding:18px}.gallery-stage[data-device="iphone"] .gallery-device{padding:7px;border-radius:34px}.gallery-stage[data-device="iphone"] .gallery-image{border-radius:25px}}
@media(max-height:550px){.gallery-dialog{padding:16px}.gallery-heading{margin-bottom:12px}.gallery-heading h2{font-size:22px}.gallery-heading p:not(.eyebrow){display:none}.gallery-stage{padding:12px}.gallery-image{max-height:calc(100dvh - 230px)}.gallery-figure figcaption{padding-top:10px}}