/* Vidvanza homepage — a deliberately lightweight, responsive product experience. */
:root {
  --ink: #1b1b2b;
  --ink-soft: #383847;
  --cream: #fbf8f0;
  --sand: #f1eadb;
  --orange: #ff6b3d;
  --orange-deep: #ed4e25;
  --yellow: #ffd75c;
  --lilac: #c5b6f1;
  --line: rgba(27, 27, 43, .13);
  --muted: #696875;
  --shadow: 0 24px 70px rgba(35, 28, 43, .14);
  --radius: 1.5rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5.5rem; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--cream); font: 500 16px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; }
.shell { width: min(1160px, calc(100% - 3rem)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: .75rem; left: .75rem; transform: translateY(-200%); padding: .7rem 1rem; border-radius: .5rem; background: var(--ink); color: white; font-weight: 800; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: absolute; z-index: 10; inset: 0 0 auto; border-bottom: 1px solid transparent; transition: background .2s ease, border-color .2s ease, box-shadow .2s ease; }
.site-header.is-sticky { position: fixed; background: rgba(251, 248, 240, .94); border-color: var(--line); box-shadow: 0 6px 30px rgba(35, 28, 43, .06); backdrop-filter: blur(14px); }
.nav { min-height: 5.25rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .55rem; min-width: 0; color: var(--ink); font-size: 1.25rem; font-weight: 900; letter-spacing: -.06em; text-decoration: none; }
.brand-logo { width: 6.25rem; height: 2.5rem; flex: 0 0 auto; object-fit: contain; }
.brand-logo + span { display: none; }
.nav-menu { display: flex; align-items: center; gap: 1.65rem; }
.nav-menu > a:not(.button), .footer a { font-size: .92rem; font-weight: 700; text-decoration: none; }
.nav-menu > a:not(.button):hover, .footer a:hover { color: var(--orange-deep); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; min-height: 3.25rem; padding: .78rem 1.15rem; border: 1px solid transparent; border-radius: .8rem; font-size: .95rem; font-weight: 850; text-decoration: none; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button span { font-size: 1.15rem; line-height: 1; }
.button-small { min-height: 2.7rem; padding: .55rem .9rem; border-radius: .7rem; background: var(--ink); color: white; }
.button-primary { color: white; background: var(--orange); box-shadow: 0 12px 24px rgba(237, 78, 37, .25); }
.button-primary:hover { background: var(--orange-deep); }
.button-cream { background: var(--cream); color: var(--ink); }
.menu-button { display: none; border: 0; background: transparent; color: var(--ink); }

.hero { position: relative; min-height: 730px; padding: 9.9rem 0 6.5rem; overflow: hidden; background: linear-gradient(108deg, var(--cream) 0%, var(--cream) 57%, #f4d79f 100%); }
.hero-layout { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: clamp(2rem, 7vw, 7rem); }
.hero-copy { max-width: 550px; }
.eyebrow { display: flex; align-items: center; gap: .55rem; margin: 0 0 1.25rem; color: #55535f; font-size: .76rem; font-weight: 850; letter-spacing: .075em; text-transform: uppercase; }
.eyebrow-dot { width: .52rem; height: .52rem; border-radius: 50%; background: var(--orange); }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 500; letter-spacing: -.065em; }
h1 { max-width: 650px; margin-bottom: 1.35rem; font-size: clamp(3.5rem, 6.2vw, 6.3rem); line-height: .95; }
h1 em, h2 em { color: var(--orange); font-weight: inherit; }
.hero-text { max-width: 490px; margin-bottom: 2rem; color: var(--muted); font-size: 1.12rem; line-height: 1.7; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1.35rem; }
.text-link { border-bottom: 1px solid currentColor; padding-bottom: .15rem; font-size: .92rem; font-weight: 800; text-decoration: none; }
.text-link span { margin-left: .25rem; color: var(--orange); }
.learner-proof { display: flex; align-items: center; gap: .85rem; margin-top: 3.5rem; }
.learner-faces { display: flex; padding-left: .3rem; }
.learner-faces i { display: grid; width: 2rem; height: 2rem; margin-left: -.3rem; place-items: center; border: 2px solid var(--cream); border-radius: 50%; color: var(--ink); background: var(--yellow); font-size: .65rem; font-style: normal; font-weight: 900; }
.learner-faces i:nth-child(2) { background: var(--lilac); }.learner-faces i:nth-child(3) { background: #99cebd; }
.learner-proof p { margin: 0; color: var(--muted); font-size: .75rem; line-height: 1.45; }.learner-proof strong { color: var(--ink); font-size: .81rem; }
.hero-orb { position: absolute; border-radius: 50%; pointer-events: none; }.hero-orb-one { width: 28rem; height: 28rem; top: -20rem; left: 33%; background: #f3cf74; opacity: .32; }.hero-orb-two { width: 11rem; height: 11rem; right: 4%; bottom: -4rem; background: var(--lilac); opacity: .6; }

.hero-visual { position: relative; min-width: 0; min-height: 495px; width: 100%; max-width: 455px; margin-inline: auto; }
.sunburst { position: absolute; z-index: 0; width: 20rem; height: 20rem; right: -4rem; top: 4rem; border-radius: 48% 52% 54% 46%; background: var(--yellow); transform: rotate(22deg); }
.study-card { position: absolute; z-index: 1; inset: 1rem 1.1rem 0 0; padding: 1.25rem; border: 1px solid rgba(27, 27, 43, .12); border-radius: 1.8rem; background: #fffdfa; box-shadow: var(--shadow); transform: rotate(-3deg); }
.study-topbar { display: flex; align-items: center; gap: .5rem; color: #777481; font-size: .7rem; font-weight: 750; }.study-topbar button { margin-left: auto; border: 0; color: #777481; background: transparent; letter-spacing: .12em; cursor: pointer; }.mini-logo { display: grid; width: 1.25rem; height: 1.25rem; place-items: center; border-radius: .38rem; color: white; background: var(--orange); font-size: .8rem; font-weight: 900; }.progress-line { height: .32rem; margin: 1.35rem 0 1.45rem; overflow: hidden; border-radius: 1rem; background: #f1eee8; }.progress-line span { display: block; width: 62%; height: 100%; border-radius: inherit; background: var(--orange); }.lesson-label { margin-bottom: .65rem; color: var(--orange-deep); font-size: .62rem; font-weight: 900; letter-spacing: .09em; }.study-card h2 { margin-bottom: .75rem; font-size: clamp(1.6rem, 3.2vw, 2.3rem); line-height: 1; }
.lesson-illustration { position: relative; height: 170px; margin-bottom: .7rem; overflow: hidden; border-radius: 1.1rem; background: #f7e6ac; }.brain { position: absolute; left: 38%; top: 2.3rem; width: 6.2rem; height: 5.5rem; border: .25rem solid var(--ink); border-radius: 47% 48% 43% 43%; background: #fc8c67; }.brain i { position: absolute; border: .18rem solid var(--ink); border-radius: 50%; }.brain i:nth-child(1) { width: 1.3rem; height: 1.8rem; left: 1rem; top: .7rem; }.brain i:nth-child(2) { width: 1.6rem; height: 1.1rem; right: .6rem; top: 1.1rem; }.brain i:nth-child(3) { width: 1rem; height: 1.2rem; left: 2.2rem; bottom: .4rem; }.brain i:nth-child(4) { width: .9rem; height: 1.2rem; right: 1.6rem; bottom: .55rem; }.book { position: absolute; left: calc(38% - .85rem); bottom: 1.3rem; width: 7.8rem; height: 1.8rem; border: .2rem solid var(--ink); border-radius: .15rem .15rem .8rem .8rem; background: #fffdf6; transform: rotate(-5deg); }.book b { position: absolute; width: .85rem; height: .15rem; top: .55rem; background: var(--orange); }.book b:nth-child(1) { left: 1rem; }.book b:nth-child(2) { left: 2.2rem; }.book b:nth-child(3) { left: 3.4rem; }.spark { position: absolute; color: var(--orange); font-size: 1.6rem; font-weight: 900; }.spark-one { top: 1rem; left: 2.2rem; }.spark-two { right: 2.4rem; top: 2rem; color: var(--ink); }
.answer-row { display: flex; align-items: center; gap: .65rem; min-height: 3.15rem; margin-top: .55rem; padding: .55rem .75rem; border: 1px solid #e7e1d6; border-radius: .75rem; font-size: .76rem; font-weight: 800; }.answer-row.muted { color: #7a7781; }.answer-icon { display: grid; width: 1.25rem; height: 1.25rem; place-items: center; border-radius: 50%; color: white; background: #55a587; font-size: .76rem; }.muted .answer-icon { color: var(--ink); background: #eae6dc; }.answer-arrow { margin-left: auto; font-size: 1rem; }
.floating-note { position: absolute; z-index: 2; display: grid; grid-template-columns: 1.8rem auto; column-gap: .4rem; align-items: center; padding: .7rem .8rem; border: 1px solid rgba(27, 27, 43, .1); border-radius: .8rem; background: #fffdfb; box-shadow: 0 14px 30px rgba(44, 35, 47, .16); font-size: .72rem; transform: rotate(4deg); }.floating-note > span { display: grid; width: 1.8rem; height: 1.8rem; grid-row: span 2; place-items: center; border-radius: .55rem; color: #ed4e25; background: #fff1dc; }.floating-note strong { font-size: .7rem; }.floating-note small { color: #797681; font-size: .58rem; }.note-streak { top: 1.2rem; right: -2rem; }.note-score { left: -2rem; bottom: 1.2rem; }.note-score > span { color: #63549a; background: #eeeaff; }

.trust-bar { padding: 1.15rem 0; color: #59505d; background: #f2d6bc; }.trust-items { display: flex; justify-content: space-between; gap: 1rem; }.trust-items p { display: flex; align-items: center; gap: .55rem; margin: 0; font-size: .72rem; font-weight: 800; letter-spacing: .02em; }.trust-items span { color: var(--orange-deep); font-size: .68rem; }
.section { padding: clamp(5rem, 9vw, 8.5rem) 0; }.intro-section { overflow: hidden; }.section-heading { display: grid; grid-template-columns: 1.4fr .7fr; column-gap: 4rem; align-items: end; max-width: 1040px; margin-bottom: 3.5rem; }.section-heading .eyebrow { grid-column: 1 / -1; }.section-heading h2, .how-copy h2, .rewards-copy h2, .download-layout h2 { margin-bottom: 0; font-size: clamp(2.8rem, 5.2vw, 5rem); line-height: .97; }.section-heading > p:last-child { max-width: 355px; margin: 0 0 .3rem; color: var(--muted); font-size: 1rem; line-height: 1.65; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }.feature-card { position: relative; min-height: 315px; padding: 1.45rem; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fffdf8; transition: transform .25s ease, box-shadow .25s ease; }.feature-card:hover { box-shadow: 0 15px 35px rgba(45, 37, 43, .1); transform: translateY(-5px); }.feature-card-warm { background: #f7d9ba; }.feature-card-dark { color: white; border-color: transparent; background: var(--ink); }.feature-number { color: #9e9aa3; font-size: .72rem; font-weight: 900; }.feature-card-dark .feature-number { color: #9b99ad; }.feature-icon { display: grid; width: 4rem; height: 4rem; margin: 3.3rem 0 1.55rem; place-items: center; border-radius: 1.2rem; font-size: 2rem; font-weight: 900; }.icon-spark { color: var(--orange-deep); background: #fff1dc; }.icon-target { color: #604c9b; background: #eee6ff; }.icon-chart { color: var(--yellow); background: #3c3b50; }.feature-card h3 { margin-bottom: .55rem; font-size: 1.1rem; letter-spacing: -.035em; }.feature-card p { max-width: 255px; margin: 0; color: var(--muted); font-size: .86rem; line-height: 1.55; }.feature-card-dark p { color: #d0ced9; }.feature-arrow { position: absolute; right: 1.45rem; bottom: 1.15rem; color: var(--orange); font-size: 1.4rem; }

.how-section { background: var(--sand); }.how-layout { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(3rem, 8vw, 9rem); }.how-art { position: relative; min-height: 490px; }.art-shape { position: absolute; border-radius: 46% 54% 48% 52%; }.art-shape-yellow { width: 22rem; height: 22rem; top: 2rem; left: .2rem; background: var(--yellow); transform: rotate(-15deg); }.art-shape-purple { width: 16rem; height: 16rem; right: .6rem; bottom: 1.5rem; background: var(--lilac); transform: rotate(15deg); }.mini-lesson-card { position: absolute; z-index: 1; top: 3.6rem; left: 3.2rem; width: 13.3rem; padding: 1rem; border-radius: 1rem; background: #fffefa; box-shadow: 0 19px 35px rgba(62, 50, 54, .17); transform: rotate(-7deg); }.mini-chip { display: inline-block; padding: .3rem .5rem; border-radius: 1rem; color: #6d609c; background: #eeeaff; font-size: .52rem; font-weight: 900; letter-spacing: .08em; }.atom { position: relative; width: 7rem; height: 6.4rem; margin: .8rem auto; }.atom i { position: absolute; width: 7rem; height: 2.7rem; border: .17rem solid var(--ink); border-radius: 50%; top: 1.8rem; transform: rotate(45deg); }.atom i:nth-child(2) { transform: rotate(-45deg); }.atom b { position: absolute; width: 1.1rem; height: 1.1rem; left: 3rem; top: 2.65rem; border-radius: 50%; background: var(--orange); }.mini-lines span { display: block; height: .35rem; margin-top: .35rem; border-radius: 1rem; background: #ebe6dc; }.mini-lines span:nth-child(2) { width: 70%; }.mini-lines span:nth-child(3) { width: 83%; }.mini-quiz-card { position: absolute; z-index: 2; right: .1rem; bottom: 3rem; width: 12.7rem; padding: 1rem; border-radius: .95rem; color: white; background: var(--ink); box-shadow: 0 19px 35px rgba(62, 50, 54, .2); transform: rotate(7deg); }.mini-quiz-card span { display: block; margin-bottom: .3rem; color: #c8c5d5; font-size: .6rem; font-weight: 800; }.mini-quiz-card b { font-family: Georgia, serif; font-size: 1.7rem; font-weight: 500; }.mini-quiz-card div { display: flex; gap: .3rem; margin-top: .65rem; }.mini-quiz-card i { width: 1.3rem; height: .3rem; border-radius: 1rem; background: #605f72; }.mini-quiz-card i:first-child { background: var(--orange); }.art-star, .art-plus { position: absolute; z-index: 3; color: var(--orange); font-size: 2.3rem; font-weight: 900; }.art-star { top: 1.2rem; right: 2rem; }.art-plus { bottom: .6rem; left: 2.3rem; color: var(--ink); }.how-copy { max-width: 480px; }.how-copy h2 { margin-bottom: 2.5rem; }.steps { display: grid; gap: 1.6rem; margin: 0; padding: 0; list-style: none; }.steps li { display: grid; grid-template-columns: 2.3rem 1fr; gap: 1rem; }.steps li > span { display: grid; width: 2rem; height: 2rem; place-items: center; border-radius: 50%; color: var(--orange-deep); background: #fff4dc; font-size: .75rem; font-weight: 900; }.steps h3 { margin: .15rem 0 .25rem; font-size: 1rem; letter-spacing: -.025em; }.steps p { margin: 0; color: var(--muted); font-size: .88rem; }

.rewards-section { padding-top: clamp(3rem, 7vw, 6rem); }.rewards-panel { position: relative; display: grid; grid-template-columns: .94fr 1.06fr; min-height: 520px; overflow: hidden; border-radius: 2rem; color: white; background: var(--orange); }.rewards-panel::before { position: absolute; width: 28rem; height: 28rem; right: -10rem; top: -10rem; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; box-shadow: 0 0 0 3rem rgba(255,255,255,.06), 0 0 0 6rem rgba(255,255,255,.04); content: ""; }.rewards-copy { position: relative; z-index: 1; padding: clamp(2.5rem, 6vw, 5.4rem); }.eyebrow-light { color: rgba(255,255,255,.75); }.eyebrow-light .eyebrow-dot { background: var(--yellow); }.rewards-copy h2 { margin-bottom: 1.5rem; }.rewards-copy h2 em { color: var(--yellow); }.rewards-copy > p:not(.eyebrow) { max-width: 430px; margin-bottom: 1.9rem; color: rgba(255,255,255,.87); line-height: 1.7; }.rewards-visual { position: relative; min-height: 440px; }.rewards-visual img { position: absolute; z-index: 1; width: min(32vw, 350px); right: -3.6rem; bottom: -3.5rem; mix-blend-mode: multiply; transform: rotate(8deg); }.trophy-card, .rank-card { position: absolute; z-index: 2; border: 1px solid rgba(255,255,255,.3); border-radius: 1.25rem; box-shadow: 0 20px 40px rgba(119, 36, 21, .23); backdrop-filter: blur(8px); }.trophy-card { display: grid; top: 4.8rem; left: 2rem; width: 12.8rem; padding: 1.1rem; background: rgba(255, 244, 216, .95); color: var(--ink); transform: rotate(-8deg); }.trophy-card small { font-size: .52rem; font-weight: 900; letter-spacing: .1em; }.trophy-card strong { margin: .3rem 0 0; font-family: Georgia, serif; font-size: 2.7rem; font-weight: 500; line-height: 1; }.trophy-card b { color: var(--orange-deep); font-size: .7rem; }.trophy-crown { position: absolute; right: .8rem; top: -1.2rem; color: var(--yellow); font-size: 2.3rem; }.rank-card { bottom: 2.3rem; left: .5rem; width: 13.8rem; padding: 1rem 1.1rem; background: rgba(39, 35, 50, .93); transform: rotate(4deg); }.rank-card > span { color: #bdb8c7; font-size: .57rem; font-weight: 900; letter-spacing: .1em; }.rank-card strong { display: block; margin-top: .1rem; font-family: Georgia, serif; color: var(--yellow); font-size: 2.25rem; font-weight: 500; line-height: 1; }.rank-card p { margin: .2rem 0 .7rem; color: #ded8e6; font-size: .62rem; }.rank-card div { display: flex; gap: .2rem; }.rank-card i { height: .25rem; flex: 1; border-radius: 1rem; background: #625f70; }.rank-card i:nth-child(-n+4) { background: var(--yellow); }
.quote-section { padding-bottom: clamp(4rem, 8vw, 7rem); }.quote-layout { max-width: 800px; text-align: center; }.quote-mark { height: 2.9rem; margin: 0 0 -1.8rem; color: var(--orange); font-family: Georgia, serif; font-size: 7rem; line-height: 1; }.quote-layout blockquote { margin: 0 auto 1rem; font-family: Georgia, serif; font-size: clamp(1.75rem, 3.2vw, 3rem); line-height: 1.18; letter-spacing: -.045em; }.quote-by { margin: 0; color: var(--muted); font-size: .72rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }

.subject-section { background: #fffdfa; }
.subject-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.subject-links a { display: flex; min-height: 125px; flex-direction: column; justify-content: space-between; padding: 1.3rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--cream); color: var(--ink); text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; }
.subject-links a:nth-child(2), .subject-links a:nth-child(5) { background: #f7d9ba; }
.subject-links a:nth-child(3), .subject-links a:nth-child(6) { color: white; border-color: transparent; background: var(--ink); }
.subject-links a:hover { box-shadow: 0 15px 35px rgba(45, 37, 43, .1); transform: translateY(-4px); }
.subject-links strong { font-family: Georgia, "Times New Roman", serif; font-size: 1.5rem; font-weight: 500; line-height: 1; letter-spacing: -.045em; }
.subject-links span { color: var(--orange-deep); font-size: .78rem; font-weight: 850; }
.subject-links a:nth-child(3) span, .subject-links a:nth-child(6) span { color: var(--yellow); }
.editorial-note { margin: 1.6rem 0 0; color: var(--muted); font-size: .8rem; line-height: 1.6; }
.editorial-note a { color: var(--orange-deep); font-weight: 800; }
.home-faq-section { background: var(--sand); }
.home-faq-layout { display: grid; grid-template-columns: minmax(240px, .65fr) minmax(0, 1.35fr); gap: clamp(2.5rem, 9vw, 9rem); align-items: start; }
.home-faq-intro h2 { margin: 0 0 1.1rem; font-size: clamp(2.6rem, 4.2vw, 4.35rem); line-height: .98; }
.home-faq-intro > p:not(.eyebrow) { max-width: 330px; margin-bottom: 1.5rem; color: var(--muted); line-height: 1.7; }

@media (max-width: 850px) {
  .subject-links { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-faq-layout { grid-template-columns: 1fr; gap: 2.5rem; }
}

@media (max-width: 640px) {
  .subject-links { grid-template-columns: 1fr; }
  .subject-links a { min-height: 108px; }
}

.download-section { position: relative; overflow: hidden; padding: clamp(4.5rem, 7vw, 6.5rem) 0; color: white; background: var(--ink); }.download-layout { position: relative; z-index: 1; display: grid; grid-template-columns: 1.25fr .75fr; align-items: end; gap: 3rem; }.download-layout h2 em { color: var(--yellow); }.download-actions p { margin: 0 0 1.5rem; color: #c9c6d0; line-height: 1.65; }.store-links { display: flex; flex-wrap: wrap; gap: .7rem; }.store-links a { display: inline-block; transition: transform .2s ease; }.store-links a:hover { transform: translateY(-3px); }.store-links img { width: 135px; height: 40px; }.download-dot { position: absolute; border: 1px solid rgba(255,255,255,.13); border-radius: 50%; }.download-dot-one { width: 31rem; height: 31rem; top: -20rem; right: -6rem; }.download-dot-two { width: 18rem; height: 18rem; bottom: -10rem; left: 34%; background: rgba(197,182,241,.08); }
.footer { padding: 2.5rem 0 1.2rem; color: white; background: #12121d; }.brand-footer { color: white; }.footer-top, .footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }.footer-top { padding-bottom: 2rem; border-bottom: 1px solid rgba(255,255,255,.13); }.footer-top nav, .footer-bottom div { display: flex; flex-wrap: wrap; gap: 1.3rem; }.footer-top nav { justify-content: flex-end; }.footer-top a { color: #c7c4d0; }.footer-bottom { padding-top: 1.15rem; color: #898693; font-size: .7rem; }.footer-bottom p { margin: 0; }.footer-bottom a { color: inherit; font-size: inherit; }

.brand-mark, .mini-logo { display: block; flex: 0 0 auto; padding: 0; overflow: hidden; background: url("assets/img/logo.svg") 50% 0 / 400% auto no-repeat; font-size: 0; }
.brand-mark { width: 2.5rem; height: 2.5rem; border-radius: .55rem; background-size: 100%; transform: none; }
.mini-logo { width: 1.25rem; height: 1.25rem; border-radius: .38rem; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .55s ease, transform .55s ease; }.reveal.is-visible { opacity: 1; transform: translateY(0); }.reveal-delay { transition-delay: .12s; }.reveal-delay-2 { transition-delay: .22s; }

@media (max-width: 850px) {
  .menu-button { position: relative; z-index: 3; display: grid; gap: .32rem; width: 2.6rem; height: 2.6rem; place-content: center; border: 1px solid var(--line); border-radius: .65rem; cursor: pointer; }.menu-button span:not(.sr-only) { display: block; width: 1.1rem; height: 2px; border-radius: 1rem; background: currentColor; transition: transform .2s ease; }.menu-button[aria-expanded="true"] span:nth-child(2) { transform: translateY(3px) rotate(45deg); }.menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-3px) rotate(-45deg); }.nav-menu { position: absolute; z-index: 2; top: .65rem; right: 1rem; left: 1rem; display: grid; gap: .1rem; padding: 4rem 1rem 1rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--cream); box-shadow: 0 18px 40px rgba(35,28,43,.15); opacity: 0; pointer-events: none; transform: translateY(-.5rem); transition: opacity .2s ease, transform .2s ease; }.nav-menu.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }.nav-menu > a:not(.button) { padding: .65rem .3rem; }.nav-menu .button { margin-top: .3rem; }
  .hero { min-height: auto; padding: 8.2rem 0 4.6rem; }.hero-layout, .how-layout, .rewards-panel, .download-layout { grid-template-columns: 1fr; }.hero-copy { min-width: 0; max-width: 630px; }.hero-text { max-width: 100%; }.hero-visual { margin-top: 1rem; }.hero-orb-one { left: 60%; }.section-heading { grid-template-columns: 1fr; gap: 1rem; }.feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }.feature-card { min-height: 300px; }.how-layout { gap: 3rem; }.how-copy { max-width: 630px; }.rewards-panel { min-height: 0; }.rewards-copy { padding-bottom: 2.5rem; }.rewards-visual { min-height: 400px; }.rewards-visual img { width: 300px; }.download-layout { gap: 2rem; }.download-layout h2 { max-width: 550px; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 2rem, 1160px); }.nav { min-height: 4.6rem; }.menu-button { z-index: 3; display: grid; gap: .32rem; width: 2.6rem; height: 2.6rem; place-content: center; border: 1px solid var(--line); border-radius: .65rem; cursor: pointer; }.menu-button span:not(.sr-only) { display: block; width: 1.1rem; height: 2px; border-radius: 1rem; background: currentColor; transition: transform .2s ease; }.menu-button[aria-expanded="true"] span:nth-child(2) { transform: translateY(3px) rotate(45deg); }.menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-3px) rotate(-45deg); }.nav-menu { position: absolute; z-index: 2; top: .65rem; right: 1rem; left: 1rem; display: grid; gap: .1rem; padding: 4rem 1rem 1rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--cream); box-shadow: 0 18px 40px rgba(35,28,43,.15); opacity: 0; pointer-events: none; transform: translateY(-.5rem); transition: opacity .2s ease, transform .2s ease; }.nav-menu.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }.nav-menu > a:not(.button) { padding: .65rem .3rem; }.nav-menu .button { margin-top: .3rem; }.hero { padding-top: 7.2rem; }.hero-layout { gap: 1.7rem; }h1 { font-size: clamp(3.25rem, 15vw, 4.6rem); }.hero-text { font-size: 1rem; }.learner-proof { margin-top: 2.5rem; }.hero-visual { min-height: 420px; transform: scale(.93); transform-origin: top center; margin-bottom: -2rem; }.study-card { inset: .5rem 1.1rem 0 0; }.note-streak { right: -1.2rem; }.note-score { left: -1rem; }.trust-items { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }.trust-items p { font-size: .65rem; }.section { padding: 4.4rem 0; }.section-heading { margin-bottom: 2rem; }.section-heading h2, .how-copy h2, .rewards-copy h2, .download-layout h2 { font-size: clamp(2.65rem, 12vw, 4rem); }.feature-grid { grid-template-columns: 1fr; }.feature-card { min-height: 240px; }.feature-icon { margin: 2.4rem 0 1rem; }.how-art { min-height: 405px; transform: scale(.86); transform-origin: center top; margin: 0 -2rem -3rem; }.mini-lesson-card { left: 2.3rem; }.mini-quiz-card { right: 1.3rem; }.how-layout { gap: 1.4rem; }.steps { gap: 1.35rem; }.rewards-section { padding-top: 1.5rem; }.rewards-panel { width: calc(100% + 2rem); margin-inline: -1rem; border-radius: 0; }.rewards-copy { padding: 3.6rem 1.5rem 1.3rem; }.rewards-visual { min-height: 355px; }.trophy-card { left: 1.1rem; top: 2.7rem; }.rank-card { bottom: 1.8rem; left: .7rem; }.rewards-visual img { width: 255px; right: -2.8rem; bottom: -2.6rem; }.quote-section { padding: 4.7rem 0; }.download-layout { gap: 1.8rem; }.footer-top, .footer-bottom { align-items: flex-start; flex-direction: column; gap: 1.25rem; }.footer-top nav { gap: .75rem 1.05rem; }.footer-bottom { gap: .8rem; }.footer-bottom div { gap: .55rem 1rem; }
}

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; } .reveal { opacity: 1; transform: none; } }

@media (max-width: 850px) { .menu-button { background: rgba(255, 253, 248, .92); box-shadow: 0 8px 20px rgba(35, 28, 43, .09); } }

@media (max-width: 1024px) {
  .site-header .nav { position: relative; }
  .site-header .menu-button { position: relative; z-index: 4; display: grid !important; width: 2.75rem; height: 2.75rem; flex: 0 0 auto; place-content: center; gap: .32rem; border: 1px solid var(--line); border-radius: .7rem; color: var(--ink); background: rgba(255, 253, 248, .96); box-shadow: 0 8px 20px rgba(35, 28, 43, .09); cursor: pointer; opacity: 1; visibility: visible; }
  .site-header .menu-button span:not(.sr-only) { display: block; width: 1.1rem; height: 2px; border-radius: 1rem; background: currentColor; }
  .site-header .nav-menu { position: absolute; z-index: 3; top: .45rem; right: 0; left: 0; display: grid; gap: .1rem; padding: 4.1rem 1rem 1rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--cream); box-shadow: 0 18px 40px rgba(35, 28, 43, .15); opacity: 0; pointer-events: none; transform: translateY(-.5rem); transition: opacity .2s ease, transform .2s ease; }
  .site-header .nav-menu.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .site-header .nav-menu > a:not(.button) { padding: .65rem .3rem; }
  .site-header .nav-menu .button { margin-top: .3rem; }
}

@media (max-width: 640px) {
  .brand { gap: .45rem; font-size: 1.15rem; }
  .brand-logo { width: 5.5rem; height: 2.2rem; }
  .brand-mark { width: 2.2rem; height: 2.2rem; border-radius: .5rem; }
  .how-art { overflow: hidden; }
  .rewards-panel { width: auto; margin-inline: 0; border-radius: 1.25rem; }
  .footer-top, .footer-bottom { align-items: center; flex-direction: column; gap: 1.15rem; text-align: center; }
  .footer-top { padding-bottom: 1.5rem; }
  .footer-top nav, .footer-bottom div { justify-content: center; gap: .75rem 1rem; }
  .footer-bottom { padding-top: 1rem; }
}