/*
  YUKI CLASS visual system
  Type scale: 72 / 52 / 40 / 30 / 22 / 16 / 13
  Surfaces: paper #f7f8fa, white #ffffff, ink #102c34
  Rhythm: 8px base; section headers use numbered uppercase kickers
  Signature: live lesson status, schedule slots, and conversation trail—not decorative cards
*/

@layer reset, tokens, base, layout, components, responsive;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body, h1, h2, h3, h4, p, ul, ol, dl, dd, figure, fieldset { margin: 0; }
  ul, ol { padding: 0; list-style: none; }
  button, input, select { font: inherit; }
  button { border: 0; }
  a { color: inherit; text-decoration: none; }
  img { display: block; max-width: 100%; }
}

@layer tokens {
  :root {
    --paper: #f7f8fa;
    --white: #ffffff;
    --ink: #102c34;
    --ink-soft: #26464e;
    --muted: #687b82;
    --yellow: #ffbd1a;
    --yellow-soft: #fff0b7;
    --green: #167d74;
    --green-deep: #0d5f58;
    --mint: #d8eee8;
    --sky: #beddf2;
    --pink: #f7ddde;
    --line: #dfe4e7;
    --shadow-hard: 0 12px 32px rgb(31 57 66 / 8%);
    --shadow-soft: 0 24px 60px rgb(31 57 66 / 12%);
    --radius-lg: 36px;
    --radius: 24px;
    --radius-sm: 16px;
    --sans: Pretendard, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
    --shell: min(1180px, calc(100% - 48px));
  }
}

@layer base {
  html { scroll-padding-top: 92px; }
  body { min-width: 320px; overflow-x: clip; background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.55; }
  body.modal-open, body.drawer-open, body.menu-open { overflow: hidden; }
  h1, h2, h3, h4 { line-height: 1.12; letter-spacing: -.045em; text-wrap: balance; }
  p { color: var(--muted); text-wrap: pretty; }
  button, a { -webkit-tap-highlight-color: transparent; }
  button { color: inherit; cursor: pointer; }
  [hidden] { display: none !important; }
  :focus-visible { outline: 3px solid var(--green); outline-offset: 4px; }
  ::selection { background: var(--yellow-soft); color: var(--ink); }
  .shell { width: var(--shell); margin-inline: auto; }
  .sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; padding: 0; margin: -1px; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
  .skip-link { position: fixed; z-index: 1000; left: 18px; top: -70px; padding: 12px 18px; background: var(--ink); color: var(--white); }
  .skip-link:focus { top: 18px; }
}

@layer layout {
  .section-heading { margin-bottom: 48px; }
  .split-heading, .teacher-heading { display: grid; grid-template-columns: 1fr .72fr; align-items: end; gap: 96px; }
  .split-heading h2, .teacher-heading h2, .course-copy h2, .platform-copy h2, .level-copy h2, .faq-layout > div:first-child h2 { margin-top: 12px; font-size: clamp(2.6rem, 5vw, 4.7rem); }
  .split-heading > p, .teacher-heading > p { padding-bottom: 8px; font-size: 1.05rem; line-height: 1.8; }
  .section-index { color: var(--green); font-size: .72rem; font-weight: 900; letter-spacing: .16em; }
  .section-index.light { color: var(--yellow); }
}

@layer components {
  .site-header { position: sticky; z-index: 100; top: 0; border-bottom: 1px solid rgb(16 44 52 / 7%); background: rgb(255 255 255 / 94%); backdrop-filter: blur(16px); }
  .header-inner { min-height: 78px; display: flex; align-items: center; gap: 30px; }
  .brand { flex: none; display: inline-flex; align-items: center; gap: 10px; }
  .brand-symbol { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50% 50% 46% 54%; background: var(--yellow); font-size: 1.1rem; font-weight: 900; transform: rotate(-4deg); }
  .brand-word { display: flex; flex-wrap: wrap; align-items: baseline; max-width: 150px; font-size: 1rem; font-weight: 900; letter-spacing: -.04em; line-height: 1.05; }
  .brand-word b { margin-left: 4px; color: var(--green); }
  .brand-word small { width: 100%; margin-top: 4px; color: var(--muted); font-size: .54rem; font-weight: 800; letter-spacing: .06em; }
  .primary-nav { display: flex; gap: 22px; margin-left: auto; font-size: .82rem; font-weight: 800; }
  .primary-nav a, .header-login { min-height: 44px; display: inline-flex; align-items: center; position: relative; }
  .primary-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 7px; height: 2px; background: var(--green); transition: right .2s ease; }
  .primary-nav a:hover::after { right: 0; }
  .header-login { font-size: .86rem; font-weight: 800; }
  .header-actions { display: flex; align-items: center; gap: 13px; }
  .header-signup { min-height: 44px; display: inline-flex; align-items: center; color: var(--green-deep); font-size: .82rem; font-weight: 900; }
  .nav-mobile-actions { display: none; }
  .button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 0 25px; border-radius: 999px; background: var(--yellow); color: var(--ink); box-shadow: 0 8px 0 rgb(200 143 0 / 13%); font-weight: 900; transition: transform .18s ease, box-shadow .18s ease, background .18s ease; }
  .button:hover { transform: translateY(-2px); background: #ffc83d; box-shadow: 0 11px 0 rgb(200 143 0 / 10%); }
  .button-small { min-height: 44px; padding: 0 19px; font-size: .8rem; }
  .text-link { display: inline-flex; min-height: 44px; align-items: center; border-bottom: 1px solid var(--ink); font-size: .88rem; font-weight: 900; }
  .menu-toggle { display: none; width: 46px; height: 46px; margin-left: auto; border-radius: 50%; background: var(--white); }
  .menu-toggle i { display: block; width: 20px; height: 2px; margin: 5px auto; background: var(--ink); transition: transform .2s ease; }
  .menu-toggle[aria-expanded="true"] i:first-of-type { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] i:last-of-type { transform: translateY(-3.5px) rotate(-45deg); }

  .hero { position: relative; overflow: hidden; padding-top: 56px; background: var(--paper); }
  .hero::before { content: ""; position: absolute; width: 450px; height: 450px; left: -280px; top: 20px; border: 90px solid var(--mint); border-radius: 50%; opacity: .55; }
  .hero-grid { min-height: 620px; display: grid; grid-template-columns: .94fr 1.06fr; align-items: center; gap: 58px; padding-bottom: 52px; }
  .hero-grid > *, .hero-visual, .phone, .chat-float, .classroom, .classroom-stage, .product-panel, .product-tabs, .route-preview, .teacher-showcase { min-width: 0; }
  .hero-copy { position: relative; z-index: 3; padding-bottom: 20px; }
  .eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--green); font-size: .72rem; font-weight: 900; letter-spacing: .15em; }
  .eyebrow::before { content: ""; width: 28px; height: 3px; background: var(--yellow); }
  .hero-copy h1 { max-width: 650px; margin-top: 18px; font-size: clamp(3.15rem, 5vw, 4.7rem); font-weight: 850; letter-spacing: -.065em; }
  .hero-copy h1 strong { position: relative; z-index: 0; color: var(--green); font-weight: inherit; }
  .hero-copy h1 strong::after { content: ""; position: absolute; z-index: -1; left: 0; right: -4px; bottom: 5px; height: 18px; border-radius: 50%; background: var(--yellow-soft); transform: rotate(-1deg); }
  .hero-lead { max-width: 590px; margin-top: 28px; font-size: 1.08rem; line-height: 1.8; }
  .hero-actions { display: flex; align-items: center; gap: 26px; margin-top: 38px; }
  .hero-action-note { max-width: 540px; margin-top: 14px; color: var(--muted); font-size: .7rem; font-weight: 700; }
  .hero-notes { display: flex; flex-wrap: wrap; gap: 16px 24px; margin-top: 28px; color: var(--muted); font-size: .82rem; font-weight: 800; }
  .hero-notes i { display: inline-grid; place-items: center; width: 19px; height: 19px; margin-right: 5px; border-radius: 50%; background: var(--mint); color: var(--green); font-style: normal; }

  .hero-visual { position: relative; min-height: 605px; border-radius: 48% 48% 39% 46%; background: var(--sky); isolation: isolate; }
  .hero-visual::after { content: ""; position: absolute; z-index: -1; width: 72%; height: 75%; left: 14%; bottom: -9%; border: 2px dashed rgb(22 125 116 / 28%); border-radius: 50%; transform: rotate(-11deg); }
  .hero-orbit { position: absolute; border-radius: 50%; }
  .hero-orbit-mint { width: 150px; height: 150px; right: -38px; top: 45px; background: var(--mint); }
  .hero-orbit-yellow { width: 76px; height: 76px; left: 12px; bottom: 44px; background: var(--yellow); }
  .phone { position: absolute; z-index: 2; width: 278px; min-height: 542px; left: 8%; top: 28px; padding: 16px 18px 22px; border: 8px solid var(--ink); border-radius: 40px; background: #fafbfb; box-shadow: 0 30px 70px rgb(25 70 83 / 22%); text-align: center; transform: rotate(-4deg); }
  .phone::before { content: ""; position: absolute; left: 50%; top: 7px; width: 72px; height: 19px; border-radius: 20px; background: var(--ink); transform: translateX(-50%); }
  .phone-top { display: flex; justify-content: space-between; padding-top: 8px; color: var(--ink); font-size: .65rem; font-weight: 800; }
  .phone-call .call-status { display: inline-flex; align-items: center; gap: 6px; margin-top: 27px; color: var(--green); font-size: .72rem; font-weight: 800; }
  .phone-call .call-status i { width: 7px; height: 7px; border-radius: 50%; background: #45b393; box-shadow: 0 0 0 4px rgb(69 179 147 / 15%); }
  .phone-call > img { width: 154px; height: 154px; margin: 22px auto 17px; border: 8px solid var(--white); border-radius: 50%; object-fit: cover; box-shadow: 0 10px 28px rgb(53 106 118 / 18%); }
  .phone-call > strong { display: block; font-size: 1.22rem; }
  .phone-call > span { display: block; margin-top: 5px; color: var(--muted); font-size: .76rem; }
  .phone-call .wave { height: 54px; justify-content: center; margin-top: 12px; }
  .phone-call .wave i { width: 4px; background: var(--green); }
  .phone-call .call-controls { display: flex; align-items: center; justify-content: center; gap: 17px; margin-top: 6px; }
  .phone-call .call-controls button { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; font-size: .6rem; font-weight: 900; }
  .round-control { background: #e9edef; }
  .phone-call .end-call { background: #ef7068; color: var(--white); }
  .phone-mark { width: 24px; height: 24px; display: inline-block; position: relative; border: 2px solid currentColor; border-radius: 50%; }
  .phone-mark::after { content: ""; position: absolute; width: 8px; height: 13px; left: 6px; top: 3px; border: solid currentColor; border-width: 0 3px 0 3px; border-radius: 45%; transform: rotate(-38deg); }
  .chat-float { position: absolute; z-index: 4; width: 258px; right: -10px; bottom: 72px; padding: 18px; border: 1px solid rgb(16 44 52 / 6%); border-radius: 25px; background: var(--white); box-shadow: var(--shadow-soft); color: var(--ink); text-align: left; transform: rotate(2deg); }
  .chat-float .chat-head { display: grid; grid-template-columns: 36px 1fr; grid-template-rows: 18px 16px; align-items: center; column-gap: 9px; margin-bottom: 14px; }
  .mini-avatar { grid-row: 1 / 3; width: 36px; height: 36px; overflow: hidden; border-radius: 50%; }
  .mini-avatar img { width: 100%; height: 100%; object-fit: cover; }
  .chat-float .chat-head b { font-size: .8rem; }
  .chat-float .chat-head small { color: var(--muted); font-size: .64rem; }
  .hero-bubble { display: block; width: fit-content; max-width: 88%; margin-top: 8px; padding: 9px 12px; font-size: .74rem; line-height: 1.45; }
  .hero-bubble.teacher { border-radius: 4px 14px 14px 14px; background: var(--mint); }
  .hero-bubble.student { margin-left: auto; border-radius: 14px 4px 14px 14px; background: var(--yellow-soft); }
  .typing { display: block; margin-top: 9px; color: #aab4b8; font-size: .45rem; letter-spacing: .2em; }
  .floating-label { position: absolute; z-index: 3; right: -18px; top: 92px; display: flex; flex-direction: column; padding: 13px 17px; border-radius: 14px; background: var(--pink); box-shadow: var(--shadow-hard); transform: rotate(4deg); }
  .floating-label b { font-size: .7rem; }
  .floating-label span { font-size: .76rem; }
  .demo-call { position: absolute; z-index: 5; left: -15px; bottom: 22px; min-height: 46px; padding: 0 17px; border-radius: 999px; background: var(--green); color: var(--white); font-weight: 800; box-shadow: var(--shadow-hard); }
  .demo-call span { color: #75dcc1; }
  .hero-ticker { min-height: 76px; display: flex; align-items: center; justify-content: center; gap: 30px; overflow: hidden; background: var(--ink); color: var(--white); font-size: clamp(.8rem, 1.4vw, 1rem); font-weight: 800; letter-spacing: .12em; white-space: nowrap; }
  .hero-ticker i { width: 6px; height: 6px; border-radius: 50%; background: var(--yellow); }

  .trust-section { padding: 120px 0; background: var(--white); }
  .trust-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 100px; align-items: start; }
  .trust-heading { position: sticky; top: 118px; }
  .trust-heading h2 { margin-top: 16px; font-size: clamp(2.7rem, 5vw, 4.6rem); }
  .trust-heading > p:nth-of-type(2) { max-width: 460px; margin-top: 24px; font-size: 1rem; line-height: 1.8; }
  .trust-proof { display: grid; gap: 14px; }
  .trust-proof li { min-height: 150px; display: grid; grid-template-columns: 54px 1fr auto; align-items: center; gap: 24px; padding: 24px; border-radius: var(--radius); background: var(--paper); }
  .trust-proof li:nth-child(2) { background: var(--mint); }
  .trust-proof li:nth-child(3) { background: var(--yellow-soft); }
  .trust-proof li > span { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%; background: var(--white); color: var(--green); box-shadow: var(--shadow-hard); font-size: .62rem; font-weight: 900; }
  .trust-proof h3 { font-size: 1.45rem; }
  .trust-proof p { max-width: 520px; margin-top: 8px; font-size: .8rem; }
  .trust-proof li > b { color: var(--green); font-size: .55rem; letter-spacing: .14em; }

  .journey { padding: 96px 0; background: var(--sky); color: var(--ink); }
  .journey-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 100px; }
  .journey-heading { position: sticky; top: 120px; align-self: start; }
  .journey-heading .section-index { color: var(--green); }
  .journey-heading h2 { margin-top: 17px; font-size: clamp(2.8rem, 5vw, 4.5rem); }
  .journey-heading > p:last-child { max-width: 420px; margin-top: 24px; color: var(--ink-soft); line-height: 1.8; }
  .journey-track { position: relative; }
  .journey-track::before { content: ""; position: absolute; left: 26px; top: 22px; bottom: 22px; width: 2px; background: rgb(255 255 255 / 70%); }
  .journey-track li { min-height: 155px; display: grid; grid-template-columns: 54px 1fr; gap: 24px; position: relative; padding: 0 0 16px; }
  .journey-track > li > span { z-index: 1; width: 54px; height: 54px; display: grid; place-items: center; border-radius: 50%; background: var(--yellow); color: var(--ink); box-shadow: var(--shadow-hard); font-size: .68rem; font-weight: 900; }
  .journey-track li div { padding: 22px 24px 24px; border-radius: var(--radius); background: rgb(255 255 255 / 82%); box-shadow: var(--shadow-hard); }
  .journey-track li:nth-child(2) div { background: var(--yellow-soft); }
  .journey-track li:nth-child(3) div { background: var(--mint); }
  .journey-track li:nth-child(4) div { background: var(--pink); }
  .journey-track small { color: var(--green); font-size: .58rem; font-weight: 900; letter-spacing: .14em; }
  .journey-track h3 { margin-top: 8px; font-size: 1.6rem; }
  .journey-track p { max-width: 500px; margin-top: 10px; color: var(--muted); font-size: .86rem; }
  .journey-track a { min-height: 38px; display: inline-flex; align-items: center; margin-top: 10px; color: var(--green-deep); font-size: .7rem; font-weight: 900; }
  .flow-condition { display: inline-flex; margin-top: 10px; padding: 5px 9px; border-radius: 99px; background: var(--white); color: var(--green-deep); font-size: .58rem; font-weight: 800; }
  .journey-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 21px; margin-top: 34px; }
  .journey-actions .button { min-height: 50px; }
  .journey-actions > a:last-child { min-height: 44px; display: inline-flex; align-items: center; border-bottom: 1px solid var(--ink); color: var(--ink); font-size: .75rem; font-weight: 900; }
  .journey-support { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; color: var(--muted); font-size: .7rem; font-weight: 800; }
  .journey-support a { padding-bottom: 2px; border-bottom: 1px solid var(--line); color: var(--green); }

  .product-section { padding: 100px 0; background: var(--paper); }
  .classroom { min-height: 690px; display: grid; grid-template-columns: 240px 1fr; overflow: hidden; border: 1px solid rgb(16 44 52 / 8%); border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-soft); }
  .classroom-rail { display: flex; flex-direction: column; padding: 26px 18px; border-right: 1px solid var(--line); background: var(--yellow-soft); }
  .rail-brand { display: flex; align-items: center; gap: 10px; padding: 0 10px 24px; border-bottom: 1px solid rgb(16 44 52 / 15%); }
  .rail-brand > i { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; background: var(--yellow); font-style: normal; font-weight: 900; }
  .rail-brand span { display: flex; flex-direction: column; }
  .rail-brand b { font-size: .72rem; }.rail-brand small { color: var(--muted); font-size: .48rem; letter-spacing: .15em; }
  .product-tabs { display: grid; gap: 7px; margin-top: 25px; }
  .product-tabs button { min-height: 70px; display: grid; grid-template-columns: 31px 1fr; grid-template-rows: auto auto; align-content: center; padding: 11px; background: transparent; text-align: left; }
  .product-tabs button > span { grid-row: 1 / 3; width: 24px; height: 24px; display: grid; place-items: center; align-self: center; border: 1px solid currentColor; border-radius: 50%; font-size: .5rem; }
  .product-tabs button { font-size: .75rem; font-weight: 900; }.product-tabs button i { color: var(--muted); font-size: .48rem; font-style: normal; letter-spacing: .12em; }
  .product-tabs button[aria-selected="true"] { border-radius: var(--radius-sm); background: var(--white); box-shadow: var(--shadow-hard); }
  .classroom-rail > p { margin-top: auto; padding: 16px 10px 0; border-top: 1px solid rgb(16 44 52 / 15%); font-size: .58rem; }
  .classroom-stage { position: relative; min-width: 0; background: #edf2f3; }
  .product-panel { min-height: 686px; display: flex; flex-direction: column; }
  .product-panel > header { min-height: 92px; display: flex; justify-content: space-between; align-items: center; padding: 20px 32px; border-bottom: 1px solid var(--line); background: var(--white); }
  .product-panel > header small { color: var(--green); font-size: .56rem; font-weight: 900; letter-spacing: .13em; }
  .product-panel > header h3 { margin-top: 5px; font-size: 1.25rem; }
  .live-badge, .online-badge, .report-score { display: inline-flex; align-items: center; gap: 7px; padding: 7px 11px; border-radius: 99px; background: var(--mint); color: var(--green); font-size: .6rem; font-weight: 900; }
  .live-badge i, .online-badge i { width: 7px; height: 7px; border-radius: 50%; background: #43b993; }
  .voice-workspace { flex: 1; display: grid; grid-template-columns: 1.05fr .95fr; }
  .teacher-live { display: flex; flex-direction: column; align-items: center; justify-content: center; position: relative; padding: 30px; background: var(--sky); text-align: center; }
  .teacher-live > img { z-index: 1; width: 190px; height: 190px; border: 8px solid var(--white); border-radius: 50%; object-fit: cover; }
  .sound-ring { position: absolute; width: 238px; height: 238px; border: 1px solid var(--green); border-radius: 50%; opacity: .35; animation: breathe 2s ease-in-out infinite; }
  .teacher-live h4 { margin-top: 23px; font-size: 1.55rem; }
  .teacher-live p { margin-top: 6px; font-size: .8rem; }
  .wave { height: 32px; display: flex; align-items: center; gap: 5px; margin-top: 24px; }
  .wave i { width: 4px; height: 10px; border-radius: 9px; background: var(--green); animation: wave 1s ease-in-out infinite alternate; }
  .wave i:nth-child(2n) { height: 25px; animation-delay: -.3s; }.wave i:nth-child(3n) { height: 17px; animation-delay: -.6s; }.wave.paused i { animation-play-state: paused; }
  .lesson-note { display: flex; flex-direction: column; justify-content: center; padding: 54px; background: var(--white); }
  .lesson-note > small { color: var(--green); font-size: .6rem; font-weight: 900; letter-spacing: .14em; }
  .lesson-note > strong { margin-top: 18px; font-size: clamp(2.2rem, 4vw, 3.5rem); line-height: 1.2; letter-spacing: -.05em; }
  .lesson-note > p { margin-top: 10px; }
  .lesson-note > div { display: flex; gap: 15px; margin-top: 38px; padding-top: 24px; border-top: 1px solid var(--line); }
  .lesson-note > div > span { width: 42px; height: 42px; display: grid; place-items: center; flex: none; border-radius: 50%; background: var(--yellow); font-weight: 900; }
  .lesson-note > div p { display: flex; flex-direction: column; }.lesson-note > div b { color: var(--ink); font-size: .8rem; }.lesson-note > div small { margin-top: 3px; font-size: .67rem; }
  .product-panel > footer { min-height: 84px; display: flex; align-items: center; justify-content: center; gap: 17px; border-top: 1px solid var(--line); background: var(--white); }
  .product-panel > footer button { width: 52px; height: 52px; border-radius: 50%; background: var(--paper); font-size: .55rem; font-weight: 900; }
  .product-panel > footer .end-call { width: 60px; height: 60px; display: grid; place-items: center; background: #ef6e68; color: var(--white); }
  .chat-panel { padding-bottom: 22px; background: #edf2f3; }
  .chat-date { display: flex; justify-content: center; padding: 22px; }.chat-date span { padding: 5px 10px; border-radius: 99px; background: var(--white); color: var(--muted); font-size: .55rem; }
  .message { display: flex; align-items: end; gap: 10px; width: 72%; margin: 8px 32px; }
  .message img { width: 35px; height: 35px; border-radius: 50%; object-fit: cover; }
  .message p { padding: 14px 17px; border: 1px solid var(--line); background: var(--white); color: var(--ink-soft); font-size: .84rem; }
  .teacher-message p { border-radius: 18px 18px 18px 3px; }
  .student-message { align-self: flex-end; justify-content: flex-end; }.student-message p { border-color: var(--yellow); border-radius: 18px 18px 3px 18px; background: var(--yellow-soft); }
  .chat-compose { min-height: 56px; display: flex; align-items: center; gap: 10px; margin: auto 32px 0; padding: 6px 7px 6px 18px; border: 1px solid var(--line); border-radius: 99px; background: var(--white); color: var(--muted); font-size: .72rem; }
  .chat-compose button { width: 40px; height: 40px; margin-left: auto; border-radius: 50%; background: var(--green); color: var(--white); font-weight: 900; }
  .report-grid { flex: 1; display: grid; grid-template-columns: 1.15fr .85fr; grid-template-rows: auto auto; gap: 14px; padding: 28px; }
  .report-grid article { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--white); }
  .teacher-comment { grid-row: 1 / 3; display: flex; flex-direction: column; justify-content: center; background: var(--mint) !important; }
  .teacher-comment > span { display: flex; align-items: center; gap: 12px; }.teacher-comment img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }.teacher-comment b { font-size: .78rem; }
  .teacher-comment p { margin-top: 24px; color: var(--ink); font-size: 1.35rem; font-weight: 800; line-height: 1.55; }
  .expression-list { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; }
  .expression-list small { grid-column: 1 / -1; color: var(--green); font-size: .58rem; font-weight: 900; }
  .expression-list strong { margin-top: 10px; font-size: .85rem; }.expression-list p { align-self: end; font-size: .6rem; }
  .progress-card small, .homework-card small { color: var(--green); font-size: .56rem; font-weight: 900; letter-spacing: .1em; }
  .progress-card b, .homework-card b { display: block; margin-top: 7px; }
  .progress-card > div { height: 7px; overflow: hidden; margin-top: 14px; border-radius: 9px; background: var(--line); }.progress-card > div i { display: block; width: 34%; height: 100%; background: var(--green); }
  .progress-card p, .homework-card span { display: block; margin-top: 8px; font-size: .62rem; }
  .homework-card { background: var(--yellow-soft) !important; }

  .courses-section { padding: 128px 0; background: var(--white); }
  .courses-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; align-items: center; }
  .course-copy > p:nth-of-type(2) { max-width: 470px; margin-top: 23px; font-size: 1rem; line-height: 1.8; }
  .goal-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 34px; }
  .goal-filter button { min-height: 44px; padding: 0 16px; border: 1px solid var(--line); border-radius: 99px; background: var(--white); color: var(--muted); font-size: .76rem; font-weight: 900; }
  .goal-filter button[aria-selected="true"] { border-color: var(--green); background: var(--mint); color: var(--green-deep); }
  .arrow-link { margin-top: 36px; }
  .course-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 34px; }
  .course-actions .button { min-height: 52px; }
  .route-preview { position: relative; padding: 42px; border: 1px solid rgb(16 44 52 / 7%); border-radius: var(--radius-lg); background: var(--paper); box-shadow: var(--shadow-soft); }
  .route-preview::before { content: "MATCHED ROUTE"; position: absolute; right: 24px; top: -11px; padding: 5px 10px; border-radius: 99px; background: var(--yellow); color: var(--green-deep); font-size: .55rem; font-weight: 900; letter-spacing: .14em; }
  .route-top { display: flex; justify-content: space-between; padding-bottom: 19px; border-bottom: 1px solid var(--line); font-size: .65rem; font-weight: 900; }
  .route-top span { color: var(--muted); }.route-top b { color: var(--green); }
  .route-title { display: grid; grid-template-columns: 76px 1fr; gap: 22px; margin-top: 28px; }
  .route-title > span { width: 76px; height: 76px; display: grid; place-items: center; border: 7px solid var(--white); border-radius: 50%; background: var(--sky); box-shadow: var(--shadow-hard); font-size: 1.6rem; font-weight: 900; }
  .route-title small { color: var(--green); font-size: .55rem; font-weight: 900; letter-spacing: .13em; }
  .route-title h3 { margin-top: 4px; font-size: 1.8rem; }.route-title p { margin-top: 8px; font-size: .78rem; }
  .route-steps { margin-top: 34px; border-top: 1px solid var(--line); }
  .route-steps li { min-height: 60px; display: grid; grid-template-columns: 45px 1fr; align-items: center; border-bottom: 1px solid var(--line); }
  .route-steps span { color: var(--green); font-size: .6rem; font-weight: 900; }.route-steps b { font-size: .78rem; }
  .route-foot { display: flex; align-items: center; margin-top: 24px; font-size: .66rem; font-weight: 900; }
  .route-avatars { display: flex; margin-left: auto; }.route-avatars img { width: 38px; height: 38px; margin-left: -8px; border: 3px solid var(--paper); border-radius: 50%; object-fit: cover; }.route-foot > b { margin-left: 8px; color: var(--green); }

  .teachers-section { padding: 100px 0; background: var(--paper); }
  .teacher-showcase { display: grid; grid-template-columns: 1.45fr .55fr; gap: 20px; }
  .teacher-featured { min-height: 590px; display: grid; grid-template-columns: 1.05fr .95fr; overflow: hidden; border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-soft); }
  .teacher-featured figure { position: relative; min-height: 100%; overflow: hidden; background: var(--sky); }
  .teacher-featured figure img { width: 100%; height: 100%; object-fit: cover; }
  .teacher-featured figcaption { position: absolute; left: 20px; top: 20px; padding: 7px 11px; border-radius: 99px; background: var(--yellow); color: var(--ink); font-size: .55rem; font-weight: 900; letter-spacing: .12em; }
  .teacher-profile { display: flex; flex-direction: column; justify-content: center; padding: 48px; }
  .teacher-profile > small { color: var(--green); font-size: .65rem; font-weight: 900; letter-spacing: .18em; }
  .teacher-profile h3 { margin-top: 7px; font-size: 2.4rem; }
  .teacher-profile > p { margin-top: 21px; line-height: 1.8; }
  .teacher-profile dl { margin-top: 30px; border-top: 1px solid var(--line); }
  .teacher-profile dl > div { display: grid; grid-template-columns: 90px 1fr; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: .72rem; }
  .teacher-profile dt { color: var(--muted); }.teacher-profile dd { font-weight: 800; }
  .teacher-profile a { margin-top: 30px; font-size: .72rem; font-weight: 900; }.teacher-profile a span { margin-left: 5px; color: var(--green); }
  .teacher-list { display: flex; flex-direction: column; gap: 12px; }
  .teacher-list article { min-height: 185px; display: grid; grid-template-columns: 42% 58%; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow-hard); }
  .teacher-list article img { width: 100%; height: 100%; object-fit: cover; }
  .teacher-list article div { display: flex; flex-direction: column; justify-content: center; padding: 20px; }
  .teacher-list small { color: var(--green); font-size: .55rem; font-weight: 900; letter-spacing: .14em; }.teacher-list h3 { margin-top: 4px; font-size: 1.15rem; }.teacher-list article p { margin-top: 8px; font-size: .65rem; }.teacher-list article span { margin-top: 13px; color: var(--ink); font-size: .6rem; font-weight: 800; }
  .teacher-disclaimer { margin-top: auto; padding: 14px; border-top: 1px solid var(--line); font-size: .58rem; }

  .outcomes-section { padding: 120px 0; background: var(--mint); color: var(--ink); }
  .outcomes-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 90px; align-items: center; }
  .outcomes-copy h2 { margin-top: 14px; font-size: clamp(2.7rem, 5vw, 4.6rem); }
  .outcomes-copy > p:last-child { max-width: 490px; margin-top: 25px; color: var(--ink-soft); line-height: 1.8; }
  .outcome-story { overflow: hidden; border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-soft); }
  .outcome-story blockquote { margin: 0; padding: 38px; border-bottom: 1px solid var(--line); background: var(--yellow-soft); color: var(--ink); }
  .outcome-story blockquote small { color: #715600; font-size: .6rem; font-weight: 900; letter-spacing: .12em; }
  .outcome-story blockquote p { margin-top: 14px; color: var(--ink); font-size: clamp(1.35rem, 2.4vw, 2rem); font-weight: 900; line-height: 1.5; }
  .outcome-story blockquote footer { margin-top: 19px; color: #715600; font-size: .65rem; font-weight: 800; }
  .outcome-story ol { display: grid; grid-template-columns: repeat(3, 1fr); }
  .outcome-story li { min-height: 190px; padding: 28px 24px; }
  .outcome-story li + li { border-left: 1px solid var(--line); }
  .outcome-story li span { color: var(--green); font-size: .55rem; font-weight: 900; letter-spacing: .14em; }
  .outcome-story li b { display: block; margin-top: 16px; font-size: .95rem; }
  .outcome-story li p { margin-top: 9px; color: var(--muted); font-size: .68rem; }

  .platform-section { padding: 120px 0; background: var(--green-deep); color: var(--white); }
  .platform-grid { display: grid; grid-template-columns: .86fr 1.14fr; gap: 90px; align-items: center; }
  .platform-copy > p:last-child { max-width: 510px; margin-top: 25px; color: #b4d0cc; line-height: 1.8; }
  .platform-board { display: grid; grid-template-columns: 1.1fr .9fr; gap: 12px; }
  .platform-board article { min-height: 145px; padding: 23px; border: 1px solid rgb(255 255 255 / 28%); background: rgb(255 255 255 / 8%); }
  .platform-board small { color: #9fc6c0; font-size: .55rem; font-weight: 900; letter-spacing: .14em; }.platform-board b { display: block; margin-top: 9px; font-size: 1.15rem; }.platform-board span { display: block; margin-top: 7px; color: #afc9c5; font-size: .65rem; }
  .board-next { grid-row: 1 / 3; min-height: 302px !important; display: flex; flex-direction: column; justify-content: center; background: var(--yellow) !important; color: var(--ink); }
  .board-next small, .board-next span { color: #705600; }.board-next b { font-size: 2.3rem; }.board-next i { width: fit-content; margin-top: 38px; padding: 6px 10px; border: 1px solid var(--ink); border-radius: 99px; font-size: .6rem; font-style: normal; font-weight: 900; }
  .board-progress > div { height: 6px; margin-top: 15px; background: rgb(255 255 255 / 16%); }.board-progress > div i { display: block; width: 34%; height: 100%; background: var(--yellow); }

  .level-section { padding: 128px 0; background: var(--yellow-soft); }
  .level-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 100px; align-items: start; }
  .level-copy { position: sticky; top: 118px; }
  .level-copy > p:nth-of-type(2) { max-width: 420px; margin-top: 24px; line-height: 1.8; }
  .level-note { display: flex; align-items: center; gap: 13px; margin-top: 35px; padding-top: 22px; border-top: 1px solid rgb(16 44 52 / 16%); }
  .level-note > span { width: 37px; height: 37px; display: grid; place-items: center; border: 1px solid var(--ink); border-radius: 50%; font-size: .6rem; font-weight: 900; }
  .level-note p { display: flex; flex-direction: column; }.level-note b { color: var(--ink); font-size: .72rem; }.level-note small { margin-top: 3px; font-size: .6rem; }
  .level-form { padding: 42px; border: 2px solid var(--ink); background: var(--white); box-shadow: 10px 10px 0 var(--ink); }
  .form-progress { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px; padding-bottom: 22px; border-bottom: 1px solid var(--line); color: var(--green); font-size: .58rem; font-weight: 900; letter-spacing: .1em; }
  .form-progress > b { height: 5px; overflow: hidden; background: var(--line); }.form-progress > b i { display: block; width: 34%; height: 100%; background: var(--green); }
  .level-form fieldset { padding: 0; border: 0; margin-top: 29px; }
  .level-form legend { margin-bottom: 13px; font-size: .85rem; font-weight: 900; }
  .option-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
  .option-grid.three { grid-template-columns: repeat(3, 1fr); }
  .option-grid input { position: absolute; opacity: 0; pointer-events: none; }
  .option-grid span { min-height: 50px; display: grid; place-items: center; border: 1px solid var(--line); background: var(--paper); color: var(--muted); font-size: .72rem; cursor: pointer; }
  .option-grid input:checked + span { border: 2px solid var(--ink); background: var(--mint); color: var(--green-deep); font-weight: 900; box-shadow: 3px 3px 0 var(--ink); }
  .option-grid input:focus-visible + span { outline: 3px solid var(--green); outline-offset: 3px; }
  .level-form select { width: 100%; min-height: 50px; padding: 0 14px; border: 1px solid var(--line); border-radius: 0; background: var(--paper); color: var(--ink); font-size: .75rem; }
  .form-submit { width: 100%; margin-top: 34px; }

  .faq-section { padding: 96px 0; background: var(--white); }
  .faq-start-card { display: grid; gap: 12px; margin-top: 28px; padding: 20px; border-radius: var(--radius); background: var(--yellow-soft); }
  .faq-start-card b { font-size: 1.05rem; }
  .faq-start-card .button { width: 100%; }
  .faq-start-card > a:last-child { min-height: 40px; display: inline-flex; align-items: center; justify-content: center; color: var(--green-deep); font-size: .76rem; font-weight: 900; }
  .faq-layout { display: grid; grid-template-columns: .65fr 1.35fr; gap: 110px; }
  .faq-list { border-top: 1px solid var(--line); }
  .faq-list article { border-bottom: 1px solid var(--line); }
  .faq-list button { width: 100%; min-height: 78px; display: flex; align-items: center; gap: 20px; padding: 13px 2px; background: transparent; text-align: left; font-weight: 900; }
  .faq-list button span { flex: 1; }.faq-list button i { font-size: 1.45rem; font-style: normal; font-weight: 400; transition: transform .2s ease; }.faq-list button[aria-expanded="true"] i { transform: rotate(45deg); }
  .faq-answer p { max-width: 680px; padding: 0 50px 25px 2px; font-size: .85rem; line-height: 1.8; }
  .faq-intro { max-width: 430px; margin-top: 24px; line-height: 1.8; }

  .start-section { padding: 112px 0; background: var(--yellow-soft); }
  .start-heading { display: grid; grid-template-columns: .68fr 1.05fr .9fr; align-items: end; gap: 48px; }
  .start-heading h2 { font-size: clamp(2.7rem, 5vw, 4.6rem); }
  .start-heading > p:last-child { padding-bottom: 7px; line-height: 1.8; }
  .start-paths { display: grid; grid-template-columns: 1.05fr .95fr; gap: 18px; margin-top: 52px; }
  .start-paths article { border: 1px solid rgb(16 44 52 / 7%); border-radius: var(--radius-lg); background: var(--white); }
  .start-primary { min-height: 390px; display: flex; flex-direction: column; justify-content: center; padding: 48px; box-shadow: var(--shadow-soft); }
  .start-primary > span, .start-secondary article > span { color: var(--green); font-size: .6rem; font-weight: 900; letter-spacing: .13em; }
  .start-primary h3 { margin-top: 11px; font-size: clamp(2rem, 3.3vw, 3rem); }
  .start-primary p { max-width: 480px; margin-top: 17px; line-height: 1.8; }
  .start-primary .button { align-self: flex-start; margin-top: 29px; }
  .start-primary > small { margin-top: 17px; color: var(--muted); font-size: .62rem; font-weight: 800; }
  .start-secondary { display: grid; gap: 12px; }
  .start-secondary article { min-height: 189px; display: flex; flex-direction: column; justify-content: center; padding: 30px; border-width: 1px; }
  .start-secondary h3 { margin-top: 7px; font-size: 1.45rem; }
  .start-secondary p { margin-top: 8px; font-size: .75rem; }
  .start-secondary a { min-height: 40px; display: inline-flex; align-items: center; align-self: flex-start; margin-top: 11px; border-bottom: 1px solid var(--ink); font-size: .68rem; font-weight: 900; }

  .final-cta { padding: 100px 0; background: var(--yellow); text-align: center; }
  .final-cta p { color: #715600; font-size: .78rem; font-weight: 900; }
  .final-cta h2 { margin-top: 12px; font-size: clamp(2.7rem, 5vw, 4.8rem); }
  .dark-button { margin-top: 34px; background: var(--ink); color: var(--white); box-shadow: 0 9px 0 rgb(13 95 88 / 22%); }

  .site-footer { padding: 65px 0 24px; background: var(--ink); color: var(--white); }
  .footer-grid { display: grid; grid-template-columns: 1.15fr auto auto .9fr; gap: 48px; }
  .footer-brand .brand-symbol { color: var(--ink); }.footer-brand .brand-word b { color: var(--yellow); }.footer-brand .brand-word small { color: #90a5aa; }
  .footer-grid > div:first-child > p { max-width: 350px; margin-top: 17px; color: #879ca1; font-size: .75rem; }
  .footer-links { display: grid; grid-template-columns: repeat(2, auto); gap: 11px 27px; font-size: .72rem; font-weight: 800; }
  .footer-portals { display: flex; flex-direction: column; gap: 9px; }
  .footer-portals small { margin-bottom: 3px; color: var(--yellow); font-size: .52rem; font-weight: 900; letter-spacing: .14em; }
  .footer-portals a { min-height: 28px; display: inline-flex; align-items: center; color: #c5d2d5; font-size: .7rem; font-weight: 800; }
  .footer-portals > span { max-width: 190px; margin-top: 5px; color: #70868b; font-size: .56rem; line-height: 1.6; }
  .footer-notice { justify-self: end; color: #7d9298; font-size: .68rem; text-align: right; }
  .copyright { display: flex; justify-content: space-between; margin-top: 47px; padding-top: 20px; border-top: 1px solid rgb(255 255 255 / 12%); color: #70868b; font-size: .62rem; }

  .mobile-dock { display: none; }
  .chat-drawer { position: fixed; z-index: 450; inset: 0; }
  .drawer-backdrop { position: absolute; inset: 0; background: rgb(16 44 52 / 58%); backdrop-filter: blur(4px); }
  .chat-drawer aside { position: absolute; right: 0; top: 0; bottom: 0; width: min(430px, 100%); display: flex; flex-direction: column; background: var(--paper); box-shadow: -20px 0 60px rgb(16 44 52 / 20%); animation: drawer-in .25s ease both; }
  .chat-drawer header { min-height: 78px; display: flex; align-items: center; justify-content: space-between; padding: 13px 18px; border-bottom: 1px solid var(--line); background: var(--white); }
  .chat-drawer header > div { display: flex; align-items: center; gap: 11px; }.chat-drawer header img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }.chat-drawer header span { display: flex; flex-direction: column; }.chat-drawer header small { color: var(--green); font-size: .58rem; }.chat-drawer header b { font-size: .83rem; }.chat-drawer header > button { width: 44px; height: 44px; border-radius: 50%; background: var(--paper); font-size: 1.35rem; }
  .drawer-messages { flex: 1; overflow: auto; padding: 24px 18px; }.drawer-date { margin-bottom: 20px; text-align: center; font-size: .58rem; }.drawer-bubble { width: fit-content; max-width: 80%; margin-top: 10px; padding: 12px 14px; border: 1px solid var(--line); background: var(--white); color: var(--ink-soft); font-size: .78rem; }.drawer-bubble.teacher { border-radius: 16px 16px 16px 3px; }.drawer-bubble.student { margin-left: auto; border-color: var(--yellow); border-radius: 16px 16px 3px 16px; background: var(--yellow-soft); }
  .drawer-input { min-height: 74px; display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-top: 1px solid var(--line); background: var(--white); }.drawer-input span { flex: 1; padding: 12px 14px; border-radius: 99px; background: var(--paper); color: var(--muted); font-size: .72rem; }.drawer-input button { width: 42px; height: 42px; border-radius: 50%; background: var(--green); color: var(--white); }

  .modal { position: fixed; z-index: 500; inset: 0; display: grid; place-items: center; padding: 20px; }
  .modal-backdrop { position: absolute; inset: 0; background: rgb(16 44 52 / 66%); backdrop-filter: blur(5px); }
  .modal-card { position: relative; z-index: 1; width: min(500px, 100%); padding: 42px; border-radius: var(--radius-lg); background: var(--white); box-shadow: var(--shadow-soft); text-align: center; }
  .modal-close { position: absolute; right: 14px; top: 14px; width: 44px; height: 44px; border-radius: 50%; background: var(--paper); font-size: 1.35rem; }
  .result-badge { display: inline-block; padding: 6px 10px; background: var(--mint); color: var(--green); font-size: .55rem; font-weight: 900; letter-spacing: .14em; }
  .modal-card > p:first-of-type { margin-top: 24px; font-size: .72rem; }.modal-card h2 { margin-top: 4px; font-size: 2.2rem; }
  .result-teacher { display: flex; align-items: center; gap: 14px; margin: 27px 0 18px; padding: 15px; background: var(--sky); text-align: left; }.result-teacher img { width: 66px; height: 66px; border: 4px solid var(--white); border-radius: 50%; object-fit: cover; }.result-teacher span { display: flex; flex-direction: column; }.result-teacher small { color: var(--green); font-size: .58rem; }.result-teacher b { margin-top: 4px; font-size: .78rem; }
  .result-copy { font-size: .8rem; }.modal-card > .button { width: 100%; margin-top: 24px; }.modal-card > small { display: block; margin-top: 15px; color: var(--muted); font-size: .58rem; }
  .toast { position: fixed; z-index: 600; left: 50%; bottom: 28px; max-width: calc(100% - 32px); padding: 12px 17px; border: 1px solid var(--white); border-radius: 99px; background: var(--ink); color: var(--white); box-shadow: var(--shadow-soft); opacity: 0; pointer-events: none; transform: translate(-50%, 20px); transition: opacity .2s ease, transform .2s ease; font-size: .72rem; }.toast.show { opacity: 1; transform: translate(-50%, 0); }

  @keyframes wave { to { height: 30px; } }
  @keyframes breathe { 50% { transform: scale(1.08); opacity: .15; } }
  @keyframes drawer-in { from { transform: translateX(100%); } }
}

@layer responsive {
  @media (max-width: 1080px) {
    .primary-nav { gap: 15px; }.header-signup { display: none; }
    .hero-grid { gap: 34px; }.hero-copy h1 { font-size: clamp(3rem, 5.8vw, 4.5rem); }.hero-visual { min-height: 570px; }.phone { left: 4%; }.chat-float { right: -12px; }
    .journey-layout, .level-layout { gap: 60px; }
    .courses-layout, .platform-grid, .trust-layout, .outcomes-layout { gap: 55px; }
    .teacher-featured { grid-template-columns: .95fr 1.05fr; }.teacher-profile { padding: 34px; }
    .footer-grid { gap: 34px; }
  }

  @media (max-width: 900px) {
    :root { --shell: min(100% - 36px, 760px); }
    .header-actions { display: none; }.menu-toggle { display: block; }
    .primary-nav { position: fixed; inset: 76px 0 auto; max-height: calc(100vh - 76px); overflow-y: auto; display: grid; gap: 0; padding: 10px 18px 22px; border-bottom: 1px solid var(--line); background: var(--white); box-shadow: 0 18px 45px rgb(16 44 52 / 12%); opacity: 0; visibility: hidden; transform: translateY(-10px); transition: .2s ease; }
    .primary-nav.open { opacity: 1; visibility: visible; transform: translateY(0); }.primary-nav > a { min-height: 49px; border-bottom: 1px solid var(--line); }.primary-nav a::after { display: none; }
    .nav-mobile-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; margin-top: 13px; }
    .nav-mobile-actions a { min-height: 46px; justify-content: center; padding: 5px 8px; border: 1px solid var(--line); background: var(--paper); font-size: .68rem; text-align: center; }
    .nav-mobile-actions a:nth-child(2) { border-color: var(--ink); background: var(--yellow); color: var(--ink); }
    .hero { padding-top: 44px; }.hero-grid { min-height: 0; grid-template-columns: 1fr; gap: 46px; padding-bottom: 70px; }.hero-copy { max-width: 700px; }.hero-copy h1 { font-size: clamp(3.25rem, 9vw, 5rem); }.hero-visual { width: min(620px, 100%); margin-inline: auto; }
    .journey-layout, .trust-layout, .outcomes-layout { grid-template-columns: 1fr; }.journey-heading, .trust-heading { position: static; }.journey-heading > p:last-child, .trust-heading > p:nth-of-type(2), .outcomes-copy > p:last-child { max-width: 650px; }
    .split-heading, .teacher-heading { grid-template-columns: 1fr; gap: 20px; }.split-heading > p, .teacher-heading > p { max-width: 620px; }
    .classroom { grid-template-columns: 1fr; }.classroom-rail { display: block; padding: 18px; border-right: 0; border-bottom: 1px solid var(--line); }.rail-brand { display: none; }.product-tabs { grid-template-columns: repeat(3, 1fr); margin: 0; }.product-tabs button { min-height: 58px; }.classroom-rail > p { display: none; }
    .courses-layout, .platform-grid, .level-layout, .faq-layout { grid-template-columns: 1fr; }.course-copy > p:nth-of-type(2), .platform-copy > p:last-child, .level-copy > p:nth-of-type(2) { max-width: 650px; }.level-copy { position: static; }
    .teacher-showcase { grid-template-columns: 1fr; }.teacher-list { display: grid; grid-template-columns: repeat(2, 1fr); }.teacher-disclaimer { grid-column: 1 / -1; }
    .start-heading { grid-template-columns: 1fr 1fr; }.start-heading .section-index { grid-column: 1 / -1; }.start-paths { grid-template-columns: 1fr; }.start-primary { min-height: 340px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }.footer-notice { grid-column: 1 / -1; justify-self: start; text-align: left; }
  }

  @media (max-width: 700px) {
    :root { --shell: calc(100% - 28px); }
    html { scroll-padding-top: 76px; }
    body { padding-bottom: calc(68px + env(safe-area-inset-bottom)); }
    .site-header { position: sticky; }.header-inner { min-height: 68px; }.brand-symbol { width: 36px; height: 36px; }.brand-word { font-size: .92rem; }.brand-word small { display: none; }.primary-nav { inset-block-start: 68px; }
    .hero { padding-top: 34px; }.hero::before { width: 310px; height: 310px; left: -235px; top: 110px; border-width: 62px; }.hero-grid { gap: 35px; padding-bottom: 70px; }.eyebrow { font-size: .61rem; }.hero-copy h1 { max-width: 560px; margin-top: 13px; font-size: clamp(2.15rem, 8.7vw, 3rem); line-height: 1.08; letter-spacing: -.06em; }.hero-copy h1 strong { display: inline; }.hero-copy h1 strong::after { height: 12px; }.hero-lead { max-width: 520px; margin-top: 22px; font-size: .96rem; line-height: 1.75; }.hero-actions { align-items: stretch; flex-direction: column; gap: 16px; margin-top: 28px; }.hero-actions .button { width: 100%; min-height: 52px; }.hero-actions .text-link { align-self: center; font-size: .8rem; }.hero-action-note { margin-top: 12px; text-align: center; }.hero-notes { gap: 10px 15px; margin-top: 25px; font-size: .72rem; }
    .hero-visual { min-height: 500px; border-radius: 42px; }.phone { width: 238px; min-height: 470px; left: 3%; top: 13px; padding: 14px 15px; border-width: 7px; border-radius: 34px; }.phone-call > img { width: 125px; height: 125px; margin: 18px auto 13px; }.phone-call > strong { font-size: 1.05rem; }.phone::before { width: 61px; height: 17px; }.chat-float { width: 215px; right: -6px; bottom: 37px; padding: 14px; }.floating-label { display: none; }.demo-call { left: 5px; bottom: -10px; }
    .hero-ticker { min-height: 54px; justify-content: flex-start; gap: 18px; padding-left: 14px; font-size: .6rem; }
    .journey, .product-section, .courses-section, .teachers-section, .platform-section, .level-section, .faq-section, .trust-section, .outcomes-section, .start-section { padding: 66px 0; }.journey-layout, .trust-layout, .outcomes-layout { gap: 42px; }.journey-heading h2, .split-heading h2, .teacher-heading h2, .course-copy h2, .platform-copy h2, .level-copy h2, .faq-layout > div:first-child h2, .trust-heading h2, .outcomes-copy h2, .start-heading h2 { font-size: clamp(2.05rem, 9.3vw, 2.55rem); line-height: 1.12; overflow-wrap: anywhere; }.journey-track li { min-height: 132px; grid-template-columns: 48px 1fr; gap: 18px; }.journey-track::before { left: 23px; }.journey-track > li > span { width: 48px; height: 48px; }.journey-track h3 { font-size: 1.35rem; }.journey-track p { font-size: .77rem; }
    .trust-proof li { min-height: 135px; grid-template-columns: 48px 1fr; gap: 16px; }.trust-proof li > b { grid-column: 2; margin-top: -22px; }.trust-proof h3 { font-size: 1.2rem; }.trust-proof p { font-size: .74rem; }
    .section-heading { margin-bottom: 33px; }.split-heading, .teacher-heading { gap: 15px; }.split-heading > p, .teacher-heading > p { font-size: .88rem; }
    .classroom, .classroom-stage, .product-panel, .route-preview, .teacher-showcase { width: 100%; max-width: 100%; }.classroom, .route-preview { overflow: hidden; }.classroom { min-height: 0; box-shadow: var(--shadow-hard); }.classroom-rail { padding: 9px; }.product-tabs { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; overflow: hidden; }.product-tabs button { min-width: 0; min-height: 53px; grid-template-columns: 1fr; padding: 7px 4px; text-align: center; font-size: .68rem; white-space: nowrap; }.product-tabs button > span { display: none; }.product-tabs button i { margin-top: 2px; }.product-panel { min-height: 580px; }.product-panel > header { min-height: 78px; padding: 16px; }.product-panel > header h3 { max-width: 220px; font-size: .95rem; }.live-badge, .online-badge, .report-score { padding: 6px 8px; font-size: .5rem; }.voice-workspace { grid-template-columns: 1fr; }.teacher-live { min-height: 285px; padding: 24px; }.teacher-live > img { width: 128px; height: 128px; }.sound-ring { width: 165px; height: 165px; }.teacher-live h4 { margin-top: 17px; font-size: 1.2rem; }.wave { margin-top: 14px; }.lesson-note { padding: 29px 25px; }.lesson-note > strong { margin-top: 10px; font-size: 2.05rem; }.lesson-note > div { margin-top: 20px; padding-top: 17px; }.product-panel > footer { min-height: 72px; }.chat-panel { min-height: 580px; }.message { width: 84%; margin-inline: 16px; }.message p { font-size: .75rem; }.chat-compose { margin-inline: 16px; }.report-grid { grid-template-columns: 1fr; grid-template-rows: auto; padding: 15px; }.teacher-comment { grid-row: auto; }.teacher-comment p { margin-top: 16px; font-size: 1.02rem; }.report-grid article { padding: 18px; }
    .courses-layout { gap: 43px; }.course-copy > p:nth-of-type(2) { font-size: .87rem; }.goal-filter { flex-wrap: nowrap; overflow-x: auto; margin-right: -14px; padding: 0 14px 3px 0; scrollbar-width: none; }.goal-filter::-webkit-scrollbar { display: none; }.goal-filter button { flex: none; }.route-preview { padding: 26px 21px; box-shadow: 6px 6px 0 var(--yellow); }.route-title, .route-title > div, .route-title h3, .route-title p, .route-foot { min-width: 0; overflow-wrap: anywhere; }.route-title { grid-template-columns: 57px minmax(0, 1fr); gap: 13px; }.route-title > span { width: 57px; height: 57px; font-size: 1.2rem; }.route-title h3 { font-size: 1.35rem; }.route-title p { font-size: .68rem; }
    .teacher-showcase { gap: 12px; }.teacher-featured { min-height: 0; grid-template-columns: 1fr; }.teacher-featured figure { min-height: 360px; }.teacher-profile { padding: 29px 23px; }.teacher-profile h3 { font-size: 1.9rem; }.teacher-list { grid-template-columns: 1fr; }.teacher-list article { min-height: 155px; }.teacher-disclaimer { grid-column: auto; }
    .outcome-story blockquote { padding: 27px 22px; }.outcome-story ol { grid-template-columns: 1fr; }.outcome-story li { min-height: 0; padding: 23px 21px; }.outcome-story li + li { border-top: 1px solid rgb(255 255 255 / 20%); border-left: 0; }
    .platform-grid { gap: 43px; }.platform-board { grid-template-columns: 1fr 1fr; }.board-next { grid-column: 1 / -1; grid-row: auto; min-height: 190px !important; }.board-next b { font-size: 1.8rem; }.platform-board article { min-height: 135px; padding: 18px; }.platform-board b { font-size: .96rem; }
    .level-layout { gap: 42px; }.level-form { padding: 26px 18px; box-shadow: 6px 6px 0 var(--ink); }.option-grid { grid-template-columns: repeat(2, 1fr); }.option-grid.three { grid-template-columns: 1fr; }.option-grid span { min-height: 48px; }.faq-layout { gap: 38px; }.faq-list button { min-height: 70px; font-size: .85rem; }.faq-answer p { padding-right: 30px; font-size: .77rem; }
    .start-heading { grid-template-columns: 1fr; gap: 17px; }.start-heading .section-index { grid-column: auto; }.start-heading > p:last-child { padding: 0; }.start-paths { margin-top: 35px; }.start-primary { min-height: 0; padding: 31px 22px; box-shadow: 6px 6px 0 var(--ink); }.start-primary h3 { font-size: 1.85rem; }.start-primary .button { align-self: stretch; }.start-secondary article { min-height: 0; padding: 25px 21px; }
    .final-cta { padding: 75px 0; }.final-cta h2 { font-size: clamp(2.35rem, 11vw, 3.2rem); }.footer-grid { grid-template-columns: 1fr; gap: 34px; }.footer-notice { grid-column: auto; }.copyright { gap: 12px; }.site-footer { padding-bottom: 27px; }
    .mobile-dock { position: fixed; z-index: 350; left: 0; right: 0; bottom: 0; min-height: calc(64px + env(safe-area-inset-bottom)); display: grid; grid-template-columns: repeat(5, 1fr); padding: 6px 8px env(safe-area-inset-bottom); border-top: 1px solid var(--line); background: rgb(255 255 255 / 96%); backdrop-filter: blur(16px); }.mobile-dock a, .mobile-dock button { min-height: 50px; display: grid; place-items: center; border-radius: 12px; background: transparent; color: var(--muted); font-size: .62rem; font-weight: 900; }.mobile-dock .active, .mobile-dock .dock-start { background: var(--yellow); color: var(--ink); }
    .modal-card { padding: 39px 20px 25px; box-shadow: 6px 6px 0 var(--yellow); }.modal-card h2 { font-size: 1.8rem; }.toast { bottom: 82px; }
  }

  @media (max-width: 380px) {
    .phone { left: -3%; }.chat-float { right: -13%; transform: scale(.88) rotate(2deg); }.demo-call { left: 0; }.hero-notes span { width: 100%; }
    .platform-board { grid-template-columns: 1fr; }.board-next { grid-column: auto; }
  }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  }
}
