:root {
  --bg: #fbf8f1;
  --surface: #ffffff;
  --ink: #302c2a;
  --muted: #69615b;
  --accent: #c2203c;
  --accent-hover: #a71a32;
  --on-accent: #ffffff;
  --line: #e3ded4;
  --alt: #f2f0e7;
  --green: #3f654e;
  --peach: #f9e6db;
  --lavender: #eae5f3;
  --butter: #f7efcb;
  --mint: #e3ecdf;
  --r-card: 24px;
  --r-btn: 999px;
  --shadow-sm: 0 4px 16px rgb(48 44 42 / 4%);
  --shadow-md: 0 15px 40px rgb(48 44 42 / 7%);
  --shadow-lg: 0 22px 60px rgb(48 44 42 / 12%);
  --container: 1180px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --section-pad: clamp(4rem, 7.5vw, 6.5rem);
  --fs-display: clamp(2.65rem, 1.2rem + 4.1vw, 4.65rem);
  --fs-h2: clamp(2rem, 1.25rem + 2.2vw, 3.1rem);
  --fs-h3: clamp(1.2rem, 1.05rem + .5vw, 1.45rem);
  --ease: cubic-bezier(.16, 1, .3, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif; font-size: clamp(1rem, .96rem + .15vw, 1.0625rem); line-height: 1.6; }
button, input, select { font: inherit; }
button, a, input, select, summary { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
svg { display: block; flex-shrink: 0; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.14; text-wrap: balance; }
h1, h2 { font-weight: 750; letter-spacing: -.045em; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); letter-spacing: -.025em; }
p { max-width: 62ch; }
section { padding-block: var(--section-pad); scroll-margin-top: 90px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
::selection { background: #f1c8cc; color: var(--ink); }
[hidden] { display: none !important; }
.container { max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.skip-link { position: fixed; top: -100px; left: 20px; padding: 12px 20px; background: var(--surface); z-index: 100; border: 2px solid var(--accent); }
.skip-link:focus { top: 12px; }
.demo-bar { min-height: 32px; padding: 6px 16px; text-align: center; color: #655d51; background: #eeeade; font-size: .75rem; letter-spacing: .025em; }
.demo-bar a { text-decoration: underline; text-underline-offset: 3px; font-weight: 650; }
.header { position: sticky; top: 0; z-index: 30; background: rgb(251 248 241 / 97%); transition: box-shadow .2s; border-bottom: 1px solid transparent; }
.header.scrolled { box-shadow: var(--shadow-sm); border-bottom-color: var(--line); }
.header-inner { min-height: 94px; display: flex; align-items: center; gap: 28px; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 9px; flex-shrink: 0; }
.brand-text { display: block; font-size: 1.6rem; letter-spacing: -.075em; font-weight: 850; line-height: 1.1; }
.brand-text > span { display: block; margin-top: 5px; font-size: .65rem; letter-spacing: .065em; font-weight: 500; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { font-size: .875rem; font-weight: 550; padding-block: 12px; }
.nav a:hover, .text-link:hover { color: var(--accent); }
.header-cta { display: inline-flex; gap: 22px; align-items: center; border: 1px solid var(--accent); color: var(--accent); border-radius: var(--r-btn); padding: 10px 20px; font-size: .875rem; font-weight: 650; min-height: 46px; }
.header-cta:hover { background: var(--accent); color: white; }
.menu-toggle, .nav-mobile-cta { display: none; }
.eyebrow { text-transform: uppercase; font-size: .71rem; line-height: 1.5; letter-spacing: .13em; font-weight: 700; color: var(--accent); margin-bottom: 20px; }
.status-dot { display: inline-block; width: 7px; height: 7px; background: var(--accent); border-radius: 50%; margin-right: 8px; vertical-align: 1px; }
.hero { padding-top: clamp(38px, 5.5vw, 74px); padding-bottom: 0; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.08fr 1fr; align-items: center; gap: 40px; }
.hero h1 { font-size: var(--fs-display); line-height: 1.045; }
.hello { color: var(--accent); display: inline-block; font-family: Georgia, serif; font-style: italic; font-weight: 500; letter-spacing: -.055em; position: relative; }
.hello::after { content: ""; position: absolute; left: 2px; right: -5px; bottom: -8px; height: 9px; border-top: 2px solid var(--accent); border-radius: 50%; transform: rotate(-4deg); }
.hero-lead { color: var(--muted); margin: 28px 0 30px; font-size: clamp(1rem, .85rem + .4vw, 1.16rem); line-height: 1.65; }
.btn { display: inline-flex; justify-content: center; align-items: center; gap: 28px; min-height: 54px; padding: 15px 26px; border: 0; border-radius: var(--r-btn); font-weight: 650; font-size: .94rem; line-height: 1.4; transition: transform .18s, box-shadow .18s, background .18s; }
.btn > span { font-size: 1.3rem; line-height: 1; }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 10px 25px -10px rgb(194 32 60 / 50%); }
.btn:active { transform: none; }
.hero-caption { display: flex; align-items: flex-start; gap: 8px; font-size: .75rem; max-width: 350px; margin-top: 17px; color: var(--muted); }
.little-check { color: var(--green); font-size: 1rem; line-height: 1.35; }
.hero-scene { position: relative; padding: 44px 13px 68px; min-width: 0; }
.scene-tag { position: absolute; top: 9px; right: 12px; background: var(--mint); color: #36563f; padding: 8px 15px; border-radius: var(--r-btn); font-size: .7rem; transform: rotate(5deg); z-index: 2; }
.learning-board { padding: 24px 27px 20px; background: #f0e8d8; border: 1px solid #e3d9c8; border-radius: 24px; transform: rotate(-4deg); box-shadow: 9px 12px 0 #eee7dc; }
.board-top { display: flex; align-items: center; gap: 15px; font-size: .55rem; letter-spacing: .15em; color: #6d6254; font-weight: 650; }
.board-dots { display: flex; gap: 5px; }
.board-dots i { width: 6px; height: 6px; background: #a9997d; border-radius: 50%; }
.board-title { font-size: clamp(3.4rem, 6.4vw, 5.7rem); letter-spacing: -.07em; line-height: .95; font-weight: 800; color: var(--accent); padding: 30px 4px; position: relative; }
.board-title > span:not(.title-spark) { font-family: Georgia, serif; font-weight: 500; font-style: italic; color: var(--green); }
.title-spark { position: absolute; top: 42px; right: 12px; font-size: 4.7rem; color: var(--accent); font-weight: 400; }
.word-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.word-card { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 160px; border-radius: 15px; box-shadow: var(--shadow-sm); padding: 12px; }
.card-apple { background: #fbf8f1; transform: rotate(-2deg); }
.card-buddy { background: #f6d886; transform: rotate(6deg); }
.word-letter { font-size: 3.7rem; line-height: 1.15; color: var(--accent); font-family: Georgia, serif; }
.word-card > span:nth-child(2) { font-size: 1rem; font-weight: 650; margin-top: 5px; }
.word-card small { font-size: .6rem; margin-top: 3px; color: #655b46; }
.smile-face { display: flex; gap: 17px; position: relative; width: 62px; height: 65px; padding: 17px 14px; }
.smile-face i { width: 5px; height: 10px; border-radius: 50%; background: var(--ink); }
.smile-face b { position: absolute; width: 32px; height: 17px; border: 2px solid var(--ink); border-top: none; bottom: 9px; left: 13px; border-radius: 0 0 30px 30px; }
.board-bottom { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 25px; font-size: .7rem; color: #62594c; }
.board-check { border: 1px solid #84785e; border-radius: 50%; width: 17px; height: 17px; text-align: center; line-height: 15px; }
.scene-sticker { position: absolute; right: -12px; bottom: 93px; width: 116px; height: 116px; display: flex; flex-direction: column; align-items: center; justify-content: center; background: var(--accent); color: white; border: 5px solid var(--bg); border-radius: 50%; transform: rotate(11deg); }
.scene-sticker strong { font-size: 1.65rem; letter-spacing: -.05em; line-height: 1.15; }
.scene-sticker span { text-align: center; font-size: .68rem; line-height: 1.3; margin-top: 3px; }
.scene-note { position: absolute; bottom: 6px; left: 35px; font-size: .78rem; color: var(--green); transform: rotate(-3deg); }
.scene-note > span { font-size: 2.7rem; line-height: 1; margin-right: 9px; vertical-align: 4px; }
.scene-spark { position: absolute; z-index: 2; color: var(--green); }
.spark-one { top: -5px; left: -12px; font-size: 3.5rem; transform: rotate(15deg); }
.spark-two { right: 4px; bottom: 10px; font-size: 3rem; color: var(--accent); }
.hero-facts { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 56px; padding: 25px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: .81rem; }
.hero-facts > span { display: flex; align-items: center; gap: 10px; }
.hero-facts i { font-style: normal; font-size: .65rem; color: var(--accent); }
.facts-signature { font-family: Georgia, serif; font-style: italic; color: var(--green); font-size: 1.1rem; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 45px; margin-bottom: 38px; }
.section-lead { color: var(--muted); line-height: 1.7; font-size: 1rem; }
.section-heading .section-lead { padding-bottom: 3px; }
.program-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.program-card { border-radius: var(--r-card); padding: 24px 22px; display: flex; flex-direction: column; min-width: 0; }
.peach { background: var(--peach); }.lavender { background: var(--lavender); }.butter { background: var(--butter); }.mint { background: var(--mint); }
.program-top { display: flex; justify-content: space-between; align-items: center; min-height: 44px; margin-bottom: 28px; gap: 6px; }
.pill { font-size: .7rem; border: 1px solid rgb(48 44 42 / 25%); padding: 5px 10px; border-radius: 99px; white-space: nowrap; }
.program-symbol { color: var(--ink); font-size: 2.3rem; line-height: 1; }
.letters { font-family: Georgia, serif; font-size: 1.8rem; }
.program-card h3 { font-size: clamp(1.1rem, .8rem + .5vw, 1.3rem); margin-bottom: 17px; }
.program-card > p { font-size: .86rem; color: #5c5550; line-height: 1.65; }
.plain-list { list-style: none; padding: 0; margin: 23px 0 29px; color: #5c5550; font-size: .73rem; }
.plain-list li { padding-left: 13px; position: relative; margin-bottom: 8px; }
.plain-list li::before { content: "·"; position: absolute; left: 0; font-weight: 800; }
.program-bottom { display: flex; justify-content: space-between; align-items: center; gap: 7px; margin-top: auto; padding-top: 20px; border-top: 1px solid rgb(48 44 42 / 16%); }
.price { font-weight: 750; font-size: 1.55rem; letter-spacing: -.05em; line-height: 1.2; }
.price > span { display: block; font-size: .7rem; font-weight: 400; letter-spacing: 0; color: #5c5550; margin-top: 5px; }
.card-link { display: grid; place-items: center; width: 44px; height: 44px; flex-shrink: 0; border-radius: 50%; background: rgb(255 255 255 / 65%); font-size: 1.5rem; transition: background .2s, color .2s; }
.card-link:hover { background: var(--accent); color: white; }
.section-footnote { font-size: .75rem; color: var(--muted); margin-top: 20px; max-width: none; }
.band-alt { background: var(--alt); }
.approach-grid { display: grid; grid-template-columns: 1fr 1.06fr; gap: 80px; }
.approach-intro .section-lead { margin-top: 25px; max-width: 380px; }
.approach-note { display: flex; align-items: center; gap: 16px; margin-top: 36px; }
.approach-note > span { font-size: 3rem; color: var(--accent); line-height: 1; }
.approach-note p { font-size: .82rem; }
.approach-photo { margin: 34px 0 0; padding: 14px; background: var(--surface); border: 1px solid var(--line); border-radius: 26px; box-shadow: var(--shadow-sm); }
.approach-photo img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 18px; }
.approach-photo figcaption { margin-top: 14px; font-size: .78rem; line-height: 1.6; color: var(--muted); }
.approach-note strong { font-weight: 600; }
.benefit { display: flex; align-items: flex-start; gap: 23px; padding: 27px 0; border-bottom: 1px solid #d9d7cb; }
.benefit:first-child { padding-top: 0; }
.benefit:last-child { border-bottom: 0; padding-bottom: 0; }
.benefit-number { flex-shrink: 0; width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: #e1e7d8; color: #3e5943; font-size: .75rem; font-weight: 600; }
.benefit h3 { margin: 6px 0 12px; font-size: 1.2rem; }
.benefit p { color: var(--muted); font-size: .9rem; line-height: 1.7; }
.center-heading { text-align: center; margin-bottom: 50px; }
.center-heading .section-lead { margin: 22px auto 0; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 50px; }
.step { position: relative; }
.step:not(:last-child)::after { content: ""; position: absolute; top: 27px; height: 1px; left: 82px; right: -22px; background: var(--line); }
.step-counter { width: 55px; height: 55px; display: grid; place-items: center; border: 1px solid #d8b7b2; color: var(--accent); border-radius: 50%; font-size: 1.3rem; margin-bottom: 23px; background: #f8ece5; font-family: Georgia, serif; font-style: italic; }
.step h3 { margin-bottom: 15px; font-size: 1.18rem; }
.step p { color: var(--muted); font-size: .9rem; }
.trial-action { display: flex; align-items: center; justify-content: center; gap: 23px; margin-top: 44px; }
.trial-action > span { font-size: .78rem; color: var(--muted); }
.teacher-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.teacher-card { padding: 25px; min-height: 230px; position: relative; border-radius: 18px; border: 1px solid #deded1; overflow: hidden; background: #f9f8f2; }
.teacher-index { font-size: .61rem; letter-spacing: .13em; color: var(--muted); }
.teacher-card h3 { margin: 35px 0 12px; position: relative; z-index: 1; font-size: 1.55rem; }
.teacher-card p { font-size: .8rem; color: var(--muted); position: relative; z-index: 1; }
.teacher-decoration { position: absolute; top: 16px; right: 20px; font-size: 2.2rem; color: var(--green); line-height: 1; }
.teacher-card:nth-child(even) .teacher-decoration { color: var(--accent); }
.reviews-placeholder { display: flex; align-items: center; gap: 28px; border: 1px dashed #aaa994; border-radius: 22px; padding: 33px; margin-top: 64px; }
.quote-mark { font-family: Georgia, serif; color: var(--green); font-size: 6rem; line-height: .8; align-self: flex-start; padding-top: 7px; }
.reviews-placeholder .eyebrow { margin-bottom: 9px; color: var(--green); font-size: .65rem; }
.reviews-placeholder h3 { margin-bottom: 11px; }
.reviews-placeholder p:not(.eyebrow) { font-size: .84rem; color: var(--muted); max-width: 57ch; }
.empty-label { margin-left: auto; font-size: .72rem; color: #4b5c43; background: #e2e8da; padding: 8px 14px; border-radius: 20px; max-width: 160px; text-align: center; flex-shrink: 0; }
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; }
.faq-grid .section-lead { margin: 25px 0; }
.text-link { font-size: .9rem; font-weight: 600; border-bottom: 1px solid #cfb2ab; padding-block: 11px; display: inline-flex; gap: 22px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
summary { list-style: none; cursor: pointer; }
summary::-webkit-details-marker { display: none; }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding-block: 22px; font-size: .98rem; line-height: 1.5; font-weight: 600; }
.faq-list summary::after { content: "+"; font-size: 1.5rem; line-height: 1; font-weight: 400; color: var(--accent); flex-shrink: 0; transition: transform .2s; }
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { color: var(--muted); padding: 0 35px 24px 0; font-size: .9rem; }
.signup-section { background: #f3e4df; position: relative; }
.signup-grid { display: grid; grid-template-columns: 1fr minmax(0, 430px); align-items: center; gap: 85px; }
.signup-copy h2 { font-size: clamp(2.4rem, 1.5rem + 2.8vw, 3.85rem); }
.signup-copy h2 em { color: var(--accent); font-family: Georgia, serif; font-weight: 500; }
.signup-copy > p:not(.eyebrow) { color: #62534e; margin-top: 24px; font-size: .95rem; }
.free-note { display: flex; align-items: center; gap: 17px; margin-top: 32px; }
.free-note > span { color: var(--accent); font-size: 2.9rem; line-height: 1; }
.free-note strong, .free-note div > span { display: block; }
.free-note strong { font-size: 1rem; }.free-note div > span { font-size: .78rem; color: #62534e; }
.demo-warning { max-width: 360px; color: #62534e; font-size: .75rem; line-height: 1.65; margin-top: 35px; padding-top: 20px; border-top: 1px solid #d9c2ba; }
.form-card { background: var(--surface); padding: 34px; border-radius: var(--r-card); box-shadow: var(--shadow-md); }
.form-card h3 { font-size: 1.48rem; }.form-intro { color: var(--muted); font-size: .83rem; margin-top: 9px; margin-bottom: 24px; }
.field { margin-bottom: 17px; }
.field label { display: block; margin-bottom: 7px; font-weight: 600; font-size: .77rem; }
.field label > span { color: var(--accent); }
.field input, .field select { width: 100%; min-width: 0; height: 49px; padding: 10px 14px; border: 1px solid #d6d2cd; border-radius: 9px; background: #fdfcf9; color: var(--ink); font-size: 1rem; }
.field input::placeholder { color: #807870; font-size: .87rem; }
.field select:invalid { color: #756c65; }
.consent { display: flex; align-items: flex-start; gap: 10px; padding-block: 5px; cursor: pointer; }
.consent input { width: 18px; height: 18px; margin: 3px 0 0; flex-shrink: 0; accent-color: var(--accent); }
.consent span { font-size: .71rem; line-height: 1.6; color: var(--muted); }
.consent a { text-decoration: underline; text-underline-offset: 3px; color: #7f2032; }
.form-error { color: var(--accent); font-size: .8rem; margin-top: 8px; }
.form-error:empty { display: none; }
.form-submit { width: 100%; margin-top: 18px; padding-inline: 15px; gap: 16px; }
.form-caption { color: var(--muted); font-size: .67rem; text-align: center; margin-top: 12px; }
.form-success { background: var(--mint); color: #304b36; padding: 17px; margin-top: 18px; border-radius: 12px; font-size: .9rem; }
.contacts { padding-bottom: 60px; }
.contacts .section-heading { align-items: center; }
.demo-label { display: inline-block; border-radius: var(--r-btn); border: 1px solid var(--line); padding: 9px 15px; color: var(--muted); font-size: .7rem; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr 1fr; gap: 32px; border-top: 1px solid var(--line); padding-top: 32px; }
.contact-label { display: block; font-size: .7rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 14px; }
.contact-item p, .contact-phone { font-size: clamp(1.05rem, .9rem + .4vw, 1.3rem); font-weight: 600; line-height: 1.65; }
.contact-item small { display: block; font-size: .7rem; color: var(--muted); margin-top: 12px; }
.contact-phone { display: inline-block; min-height: 44px; padding-block: 6px; color: var(--accent); white-space: nowrap; }
.contact-item p > span { padding-left: 12px; font-weight: 400; }
.footer { padding-top: 36px; background: #eae9de; }
.footer-top { display: flex; align-items: center; gap: 70px; padding-bottom: 30px; }
.footer-brand { font-size: 1.8rem; font-weight: 800; letter-spacing: -.075em; line-height: 1.1; white-space: nowrap; }
.footer-brand > span { display: block; color: var(--green); font-size: .72rem; letter-spacing: .01em; font-weight: 400; margin-top: 10px; }
.footer-top p { font-size: .73rem; color: #5f5d52; line-height: 1.8; }
.footer-top p a { text-decoration: underline; text-underline-offset: 3px; }
.back-top { width: 46px; height: 46px; flex-shrink: 0; display: grid; place-items: center; border: 1px solid #b8b8a7; border-radius: 50%; font-size: 1.4rem; margin-left: auto; }
.privacy { border-block: 1px solid #d0d0c2; scroll-margin-top: 110px; }
.privacy > summary { padding-block: 15px; font-size: .76rem; text-decoration: underline; text-underline-offset: 3px; }
.privacy > summary::after { content: " +"; }.privacy[open] > summary::after { content: " −"; }
.privacy-content { padding-bottom: 25px; max-width: 780px; }
.privacy-content h3 { font-size: 1rem; margin: 8px 0 12px; }
.privacy-content p { font-size: .85rem; margin-top: 12px; max-width: none; color: #5f5d52; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 22px; color: #666357; font-size: .66rem; }
.mobile-cta { display: none; }
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s var(--ease), transform .65s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
.program-grid .reveal:nth-child(2), .teacher-grid .reveal:nth-child(2) { transition-delay: 60ms; }
.program-grid .reveal:nth-child(3), .teacher-grid .reveal:nth-child(3) { transition-delay: 120ms; }
.program-grid .reveal:nth-child(4), .teacher-grid .reveal:nth-child(4) { transition-delay: 180ms; }
@media (max-width: 1100px) {
  .nav { gap: 18px; }.header-inner { gap: 18px; }
  .header-cta { gap: 12px; padding-inline: 15px; }
  .program-card { padding: 22px 17px; }.pill { font-size: .65rem; padding-inline: 8px; }
  .program-symbol { font-size: 1.9rem; }.program-top { gap: 3px; }
  .hero-grid { gap: 30px; }.signup-grid { gap: 50px; }.approach-grid, .faq-grid { gap: 50px; }
}
@media (max-width: 900px) {
  .header-inner { min-height: 80px; }.header-cta { margin-left: auto; }
  .menu-toggle { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 50%; background: transparent; z-index: 32; }
  .menu-toggle span { height: 2px; width: 19px; background: var(--ink); transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 25px var(--gutter) 40px; background: var(--bg); border-bottom: 1px solid var(--line); box-shadow: var(--shadow-md); max-height: calc(100dvh - 115px); overflow: auto; }
  .nav.open { display: flex; flex-direction: column; align-items: stretch; gap: 6px; }
  .nav a { font-size: 1.2rem; min-height: 48px; }.nav .nav-mobile-cta { display: block; color: var(--accent); }
  .hero-grid { grid-template-columns: 1.05fr 1fr; gap: 20px; }.hero h1 { font-size: clamp(2.55rem, 5.4vw, 3.5rem); }
  .hero-scene { padding-inline: 5px; }.learning-board { padding: 20px; }.board-title { font-size: 4rem; }.title-spark { font-size: 3rem; right: 0; }
  .word-card { min-height: 132px; padding: 8px; }.word-letter { font-size: 3rem; }.word-card small { font-size: .52rem; }
  .scene-tag { font-size: .59rem; right: 0; }.scene-sticker { width: 91px; height: 91px; right: -7px; bottom: 100px; }.scene-sticker strong { font-size: 1.4rem; }
  .scene-note { font-size: .65rem; left: 8px; }.spark-one { font-size: 2.5rem; left: -7px; }.spark-two { font-size: 2rem; }
  .board-top { font-size: .42rem; gap: 8px; }.board-bottom { font-size: .6rem; }
  .hero-facts { flex-wrap: wrap; font-size: .75rem; gap: 17px; }.facts-signature { display: none !important; }
  .program-grid, .teacher-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
  .program-card { padding: 25px; }.program-card h3 { font-size: 1.4rem; }.program-card > p { font-size: .95rem; }.plain-list { font-size: .8rem; }
  .program-symbol { font-size: 2.3rem; }.pill { font-size: .75rem; }
  .section-heading { gap: 28px; }.section-heading .section-lead { max-width: 275px; font-size: .92rem; }
  .approach-grid, .faq-grid { grid-template-columns: 1fr; gap: 40px; }.approach-intro .section-lead { max-width: 540px; }
  .approach-photo { max-width: 560px; }
  .benefit { gap: 25px; }.steps { gap: 25px; }.step:not(:last-child)::after { right: 0; }
  .empty-label { display: none; }.teacher-card { min-height: 210px; }
  .signup-grid { grid-template-columns: 1fr 1fr; gap: 30px; }.form-card { padding: 25px; }
  .signup-copy h2 { font-size: 2.65rem; }.form-submit { font-size: .82rem; gap: 8px; }
  .contact-grid { gap: 23px; grid-template-columns: 1fr 1.1fr; }.contact-item:last-child { grid-column: 1 / -1; }
  .contacts .section-heading { display: block; }.demo-label { margin-top: 20px; }.footer-top { gap: 35px; }
}
@media (max-width: 640px) {
  html { scroll-padding-top: 80px; }section { scroll-margin-top: 76px; }body { padding-bottom: 82px; }
  .demo-bar { font-size: .65rem; }.demo-bar > span { display: none; }
  .header-inner { min-height: 76px; gap: 14px; }.brand-mark { width: 38px; height: 42px; }
  .brand-text { font-size: 1.45rem; }.brand-text > span { font-size: .59rem; }.header-cta { display: none; }
  .hero { padding-top: 35px; }.hero-grid { grid-template-columns: 1fr; gap: 22px; }
  .hero h1 { font-size: clamp(2.65rem, 9.7vw, 3.7rem); }.hero .eyebrow { font-size: .65rem; }
  .hero-lead { font-size: 1.03rem; margin-top: 25px; }.hero-caption { font-size: .72rem; }
  .hero-scene { width: min(100%, 380px); margin: 3px auto 0; padding: 42px 22px 65px; }
  .learning-board { padding: 22px; }.board-title { font-size: 4.4rem; padding-block: 24px; }.title-spark { font-size: 3.7rem; }
  .board-top { font-size: .48rem; }.word-card { min-height: 130px; }.word-card small { font-size: .55rem; }
  .scene-tag { right: 16px; font-size: .63rem; }.scene-sticker { right: 0; bottom: 88px; width: 99px; height: 99px; }
  .spark-one { left: 0; }.scene-note { bottom: 1px; left: 17px; font-size: .67rem; }.spark-two { right: 8px; }
  .hero-facts { margin-top: 30px; padding-block: 22px; display: grid; grid-template-columns: 1fr; gap: 11px; font-size: .8rem; }
  .section-heading { display: block; margin-bottom: 28px; }.section-heading .section-lead { margin-top: 23px; max-width: 100%; }
  .section-heading .section-lead br { display: none; }.eyebrow { font-size: .66rem; margin-bottom: 15px; }
  .program-grid { grid-template-columns: 1fr; gap: 16px; }.program-card { padding: 26px; }
  .program-top { margin-bottom: 18px; }.program-card h3 { font-size: 1.6rem; }.program-card h3 br { display: none; }
  .program-card > p { font-size: .96rem; }.plain-list { margin: 20px 0; font-size: .83rem; }.price { font-size: 1.8rem; }
  .section-footnote { font-size: .72rem; }.benefit { gap: 17px; }.benefit-number { width: 33px; height: 33px; }
  .approach-photo { margin-top: 26px; padding: 12px; border-radius: 22px; }
  .approach-photo figcaption { font-size: .76rem; }
  .benefit h3 { font-size: 1.12rem; }.benefit p { font-size: .9rem; }.approach-note { margin-top: 25px; }
  .center-heading { text-align: left; margin-bottom: 32px; }.center-heading .section-lead { margin-left: 0; }.center-heading .section-lead br { display: none; }
  .steps { grid-template-columns: 1fr; gap: 30px; }.step { padding-left: 68px; min-height: 70px; }
  .step-counter { position: absolute; left: 0; top: 0; width: 46px; height: 46px; }
  .step:not(:last-child)::after { top: 60px; bottom: -14px; height: auto; left: 23px; right: auto; width: 1px; }
  .step h3 { font-size: 1.15rem; margin-bottom: 10px; }.trial-action { flex-direction: column; gap: 14px; margin-top: 34px; align-items: stretch; }.trial-action > span { text-align: center; }
  .teacher-grid { grid-template-columns: 1fr 1fr; gap: 12px; }.teacher-card { padding: 19px 15px; min-height: 205px; }
  .teacher-card h3 { font-size: 1.1rem; margin-top: 44px; }.teacher-card p { font-size: .72rem; }.teacher-card p br { display: none; }
  .teacher-index { font-size: .5rem; }.teacher-decoration { top: 40px; right: 15px; font-size: 1.8rem; }
  .reviews-placeholder { padding: 23px; gap: 10px; margin-top: 35px; align-items: flex-start; }
  .quote-mark { font-size: 3.5rem; }.reviews-placeholder h3 { font-size: 1.25rem; }.reviews-placeholder p:not(.eyebrow) { font-size: .82rem; }
  .faq-grid { gap: 30px; }.faq-list summary { font-size: .92rem; gap: 18px; }.faq-list details p { padding-right: 12px; }
  .signup-grid { grid-template-columns: 1fr; gap: 34px; }.signup-copy h2 { font-size: clamp(2.6rem, 9.5vw, 3.3rem); }
  .signup-copy > p:not(.eyebrow) { font-size: .95rem; }.demo-warning { max-width: 100%; margin-top: 24px; }
  .form-card { padding: 26px 22px; }.form-card h3 { font-size: 1.4rem; }.form-submit { font-size: .9rem; }
  .consent span { font-size: .74rem; }.form-caption { font-size: .7rem; }.contact-grid { grid-template-columns: 1fr; gap: 27px; }
  .contact-item:last-child { grid-column: auto; }.contact-item { padding-bottom: 23px; border-bottom: 1px solid var(--line); }
  .contact-item:last-child { border-bottom: 0; padding-bottom: 0; }.contact-item small { font-size: .75rem; }.contact-label { margin-bottom: 9px; }
  .contact-item p, .contact-phone { font-size: 1.2rem; }.contacts { padding-bottom: 40px; }
  .footer-top { flex-wrap: wrap; gap: 24px; position: relative; }.footer-top p { width: 100%; font-size: .75rem; padding-right: 15px; }
  .back-top { position: absolute; top: 1px; right: 0; }.footer-bottom { flex-direction: column; gap: 8px; font-size: .7rem; }
  .mobile-cta { display: flex; position: fixed; z-index: 25; bottom: calc(12px + env(safe-area-inset-bottom)); left: 20px; right: 20px; min-height: 52px; box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden; transform: translateY(20px); transition: opacity .2s, visibility .2s, transform .2s; }
  .mobile-cta.visible { opacity: 1; visibility: visible; transform: none; }
}
@media (max-width: 480px) {
  .hero-copy > .btn { width: 100%; gap: 16px; }.btn { font-size: .88rem; padding-inline: 19px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }*, *::before, *::after { transition: none !important; animation: none !important; }
  .js .reveal { opacity: 1; transform: none; }.btn-primary:hover { transform: none; }
}