:root {
  --paper: #f5f6f1;
  --surface: #ffffff;
  --ink: #17282b;
  --muted: #667576;
  --line: #d8e0dc;
  --teal: #2c7774;
  --teal-deep: #173f44;
  --coral: #d96c4e;
  --gold: #c38b2b;
  --navy: #233f57;
  --shadow: 0 24px 64px rgba(28, 47, 48, .12);
  --radius: 18px;
  --shell: min(1180px, calc(100% - 48px));
  --sans: "DM Sans", "Microsoft YaHei", system-ui, sans-serif;
  --display: "Manrope", "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 15px; line-height: 1.6; }
body.modal-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
.shell { width: var(--shell); margin: 0 auto; }
.skip-link { position: fixed; left: 16px; top: 12px; z-index: 50; padding: 9px 14px; border-radius: 8px; background: var(--ink); color: #fff; transform: translateY(-160%); transition: transform .2s ease; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(245, 246, 241, .94); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(216, 224, 220, .75); }
.header-inner { min-height: 78px; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.brand-mark { position: relative; display: inline-flex; align-items: end; gap: 3px; width: 27px; height: 28px; }
.brand-mark span { display: block; width: 6px; border-radius: 4px 4px 2px 2px; background: var(--teal); }
.brand-mark span:nth-child(1) { height: 15px; opacity: .72; }
.brand-mark span:nth-child(2) { height: 24px; background: var(--coral); }
.brand-mark span:nth-child(3) { height: 19px; background: var(--gold); }
.brand-copy { display: grid; gap: 0; line-height: 1.1; }
.brand-copy strong { font: 800 16px/1.1 var(--display); letter-spacing: .13em; color: var(--teal-deep); }
.brand-copy small { color: var(--muted); font-size: 10px; letter-spacing: .15em; margin-top: 4px; }
.main-nav { display: flex; align-items: center; gap: 27px; margin-left: auto; }
.main-nav a, .text-link { color: #4c5d5e; font-size: 13px; font-weight: 600; transition: color .2s ease; }
.main-nav a:hover, .main-nav a:focus-visible, .text-link:hover, .text-link:focus-visible { color: var(--coral); }
.header-actions { display: flex; align-items: center; gap: 20px; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 0 21px; border: 1px solid transparent; border-radius: 10px; font-size: 13px; font-weight: 700; letter-spacing: .01em; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease; }
.button svg { width: 16px; height: 16px; stroke-width: 1.9; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, .icon-button:focus-visible, .word-slot:focus-visible, .bank-word:focus-visible, a:focus-visible { outline: 3px solid rgba(217, 108, 78, .35); outline-offset: 3px; }
.button-primary { background: var(--coral); color: white; box-shadow: 0 10px 24px rgba(217, 108, 78, .2); }
.button-primary:hover { background: #bf5337; box-shadow: 0 15px 30px rgba(217, 108, 78, .26); }
.button-small { min-height: 40px; padding: 0 15px; font-size: 12px; }
.button-quiet { color: var(--teal-deep); border-color: var(--line); background: rgba(255,255,255,.5); }
.button-quiet:hover { border-color: #b6cac4; background: #fff; }
.icon-button { width: 42px; height: 42px; display: inline-grid; place-items: center; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); }
.icon-button svg { width: 19px; height: 19px; }
.nav-toggle { display: none; margin-left: auto; }

.hero { display: grid; grid-template-columns: minmax(0, .96fr) minmax(460px, 1.04fr); gap: 68px; align-items: center; padding-top: 85px; padding-bottom: 82px; }
.hero-copy { padding-left: 15px; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 20px; color: var(--teal); font-size: 11px; font-weight: 800; letter-spacing: .16em; line-height: 1.3; text-transform: uppercase; }
.eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 5px rgba(217, 108, 78, .11); }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--display); color: var(--teal-deep); letter-spacing: -.035em; }
h1 { margin-bottom: 23px; font-size: clamp(39px, 5.2vw, 70px); line-height: 1.08; font-weight: 800; }
h1 em, h2 em { color: var(--coral); font-style: normal; }
.hero-lede { max-width: 520px; margin-bottom: 30px; color: #5d6d6e; font-size: 16px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.hero-proof { display: flex; gap: 28px; margin-top: 44px; }
.hero-proof div { display: grid; gap: 2px; min-width: 88px; }
.hero-proof strong { font: 800 26px/1 var(--display); color: var(--teal-deep); }
.hero-proof span { color: var(--muted); font-size: 11px; }
.hero-visual { position: relative; min-width: 0; }
.visual-frame { position: relative; min-height: 525px; overflow: hidden; border: 8px solid #fff; border-radius: 26px; background: #2d3d3f; box-shadow: var(--shadow); }
.visual-frame img { width: 100%; height: 525px; display: block; object-fit: cover; object-position: center 44%; filter: saturate(.7) contrast(.96); }
.visual-wash { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(19, 49, 54, .03) 22%, rgba(17, 44, 48, .8) 100%); }
.visual-topline { position: absolute; top: 21px; left: 22px; right: 22px; display: flex; align-items: center; justify-content: space-between; color: rgba(255,255,255,.88); font-size: 11px; letter-spacing: .04em; }
.status-pill { display: inline-flex; align-items: center; gap: 7px; padding: 6px 9px; border: 1px solid rgba(255,255,255,.28); border-radius: 999px; background: rgba(18, 52, 55, .44); backdrop-filter: blur(9px); }
.status-pill span { width: 7px; height: 7px; border-radius: 50%; background: #7fe0a5; }
.sentence-panel { position: absolute; left: 34px; right: 34px; bottom: 35px; padding: 19px 21px 17px; border: 1px solid rgba(255,255,255,.4); border-radius: 16px; background: rgba(19, 48, 50, .8); color: white; box-shadow: 0 16px 38px rgba(0,0,0,.19); backdrop-filter: blur(10px); }
.mini-label { margin-bottom: 13px; color: rgba(255,255,255,.7); font-size: 11px; }
.sentence-line { display: flex; align-items: baseline; gap: 7px; flex-wrap: wrap; font: 700 clamp(22px, 3vw, 34px)/1.15 var(--display); letter-spacing: -.03em; }
.token { display: inline-block; padding: 2px 5px; border-bottom: 2px solid currentColor; }
.token.subject { color: #f5bf71; }
.token.verb { color: #7ed4d0; }
.token.object { color: #f8e5be; }
.role-line { display: grid; grid-template-columns: 1fr 1.7fr 1.25fr; max-width: 350px; margin-top: 7px; color: rgba(255,255,255,.58); font-size: 10px; }
.translation { margin: 15px 0 14px; color: rgba(255,255,255,.92); font-size: 13px; }
.panel-actions { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.63); font-size: 10px; }
.round-action { width: 34px; height: 34px; display: inline-grid; place-items: center; border: 0; border-radius: 50%; background: var(--coral); color: white; }
.round-action svg { width: 15px; height: 15px; }
.float-card { position: absolute; display: flex; align-items: center; gap: 10px; min-width: 178px; padding: 11px 13px; border: 1px solid rgba(255,255,255,.72); border-radius: 12px; color: var(--teal-deep); background: rgba(255,255,255,.92); box-shadow: 0 14px 28px rgba(26, 57, 59, .17); }
.float-card svg { width: 19px; height: 19px; color: var(--coral); }
.float-card span { display: grid; gap: 2px; }
.float-card b { font-size: 11px; }
.float-card small { color: var(--muted); font-size: 9px; }
.float-card-a { top: 76px; right: -24px; }
.float-card-b { bottom: 99px; left: -26px; }

.path-strip { display: grid; grid-template-columns: 220px 1fr; align-items: center; gap: 28px; padding: 23px 28px; border: 1px solid var(--line); border-radius: 17px; background: #fff; box-shadow: 0 10px 28px rgba(28, 47, 48, .05); }
.path-intro { display: grid; gap: 3px; }
.path-intro span { color: var(--muted); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.path-intro strong { color: var(--teal-deep); font: 700 14px var(--display); }
.path-steps { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.path-step { display: grid; gap: 1px; min-width: 76px; }
.path-step span { color: #a2aeaa; font-size: 9px; letter-spacing: .1em; }
.path-step b { color: var(--teal-deep); font: 800 19px/1.1 var(--display); }
.path-step small { color: var(--muted); font-size: 10px; white-space: nowrap; }
.path-step.active b { color: var(--coral); }
.path-step.active span { color: var(--coral); }
.path-line { height: 1px; flex: 1; background: var(--line); }

.section { padding: 128px 0; }
.section-paper { background: #eef3ef; }
.section-ink { background: var(--teal-deep); color: white; }
.section-heading { max-width: 930px; margin-bottom: 51px; }
.split-heading { display: grid; grid-template-columns: 1.12fr .88fr; gap: 70px; align-items: end; }
.split-heading h2 { margin-bottom: 0; font-size: clamp(32px, 4vw, 52px); line-height: 1.12; }
.split-heading > p { max-width: 390px; margin: 0 0 4px; color: var(--muted); font-size: 14px; line-height: 1.85; }
.split-heading.inverse h2 { color: white; }
.split-heading.inverse > p { color: rgba(255,255,255,.66); }
.split-heading .eyebrow { margin-bottom: 17px; }
.method-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 13px; }
.method-card { position: relative; min-height: 285px; padding: 28px 24px; border: 1px solid var(--line); border-radius: 15px; background: #fbfcf9; transition: transform .22s ease, box-shadow .22s ease; }
.method-card:hover { transform: translateY(-5px); box-shadow: 0 18px 34px rgba(33,63,59,.11); }
.method-card-featured { border-color: rgba(217,108,78,.48); background: #fffaf7; }
.method-card > svg { width: 24px; height: 24px; margin: 36px 0 18px; color: var(--coral); }
.method-card:nth-child(2) > svg { color: var(--teal); }
.method-card:nth-child(3) > svg { color: var(--gold); }
.method-card:nth-child(4) > svg { color: var(--navy); }
.method-index { position: absolute; top: 20px; right: 23px; color: #abb6b1; font: 600 11px var(--display); }
.method-card h3 { margin-bottom: 9px; color: var(--teal-deep); font: 800 19px/1.2 var(--display); letter-spacing: -.02em; }
.method-card p { min-height: 88px; margin-bottom: 21px; color: #647171; font-size: 12px; line-height: 1.8; }
.method-card a { display: inline-flex; align-items: center; gap: 6px; color: var(--coral); font-size: 11px; font-weight: 800; }
.method-card a svg { width: 13px; height: 13px; }
.method-meta { color: #83908b; font-size: 10px; }

.route-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.route-card { position: relative; min-height: 174px; display: grid; align-content: start; padding: 22px 21px; border: 1px solid rgba(255,255,255,.15); border-radius: 14px; background: rgba(255,255,255,.06); transition: background .22s ease, transform .22s ease, border-color .22s ease; }
.route-card:hover { transform: translateY(-4px); background: rgba(255,255,255,.11); border-color: rgba(255,255,255,.34); }
.route-icon { width: 33px; height: 33px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 9px; background: rgba(255,255,255,.14); color: white; }
.route-icon svg { width: 16px; height: 16px; }
.route-code { margin-bottom: 4px; color: rgba(255,255,255,.48); font-size: 9px; font-weight: 800; letter-spacing: .15em; }
.route-card strong { color: white; font: 700 17px/1.3 var(--display); }
.route-card small { margin-top: 5px; color: rgba(255,255,255,.62); font-size: 11px; }
.route-arrow { position: absolute; right: 18px; bottom: 18px; color: rgba(255,255,255,.72); }
.route-arrow svg { width: 17px; height: 17px; }
.route-coral { border-top: 3px solid var(--coral); }
.route-teal { border-top: 3px solid #72c7bc; }
.route-navy { border-top: 3px solid #8aa4c1; }
.route-gold { border-top: 3px solid #e3b85d; }

.atlas-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 88px; align-items: center; }
.atlas-copy h2, .progress-layout h2 { margin-bottom: 21px; font-size: clamp(34px, 4.3vw, 56px); line-height: 1.1; }
.atlas-copy > p, .progress-layout > div:first-child > p:not(.eyebrow) { max-width: 420px; margin-bottom: 25px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.text-cta { display: inline-flex; align-items: center; gap: 9px; color: var(--coral); font-size: 13px; font-weight: 800; }
.text-cta svg { width: 16px; height: 16px; transition: transform .2s ease; }
.text-cta:hover svg { transform: translateX(3px); }
.word-map { position: relative; min-height: 430px; border: 1px solid var(--line); border-radius: 22px; background: #fff; overflow: hidden; box-shadow: 0 14px 30px rgba(26, 55, 54, .08); }
.word-map:before { content: ""; position: absolute; inset: 24px; border: 1px dashed #d6e2de; border-radius: 50%; }
.map-line { position: absolute; height: 1px; background: #c7dad5; transform-origin: left center; }
.line-1 { width: 184px; left: 50%; top: 50%; transform: rotate(-27deg); }
.line-2 { width: 202px; left: 50%; top: 50%; transform: rotate(23deg); }
.line-3 { width: 185px; left: 50%; top: 50%; transform: rotate(152deg); }
.line-4 { width: 195px; left: 50%; top: 50%; transform: rotate(-149deg); }
.map-node { position: absolute; display: grid; gap: 2px; padding: 12px 15px; border: 1px solid #d3e2dd; border-radius: 12px; background: #fbfdfb; box-shadow: 0 8px 20px rgba(25,65,59,.07); }
.map-node b { color: var(--teal-deep); font: 800 15px var(--display); }
.map-node small, .map-node span { color: var(--muted); font-size: 9px; }
.map-center { top: 50%; left: 50%; min-width: 132px; transform: translate(-50%,-50%); border-color: rgba(217,108,78,.46); background: #fff8f4; text-align: center; }
.map-center b { font-size: 25px; color: var(--coral); }
.map-1 { top: 16%; left: 13%; }
.map-2 { top: 17%; right: 13%; }
.map-3 { bottom: 16%; left: 12%; }
.map-4 { bottom: 14%; right: 11%; }
.map-caption { position: absolute; left: 50%; bottom: 16px; display: flex; align-items: center; gap: 6px; transform: translateX(-50%); color: #7f918d; font-size: 10px; white-space: nowrap; }
.map-caption svg { width: 14px; height: 14px; color: var(--gold); }

.progress-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 93px; align-items: center; }
.progress-notes { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 30px; }
.progress-notes span { display: inline-flex; align-items: center; gap: 7px; padding: 7px 10px; border: 1px solid #d4ded9; border-radius: 999px; background: rgba(255,255,255,.65); color: #60706c; font-size: 10px; }
.progress-notes svg { width: 14px; height: 14px; color: var(--teal); }
.dashboard-preview { padding: 23px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 17px 36px rgba(26, 57, 52, .09); }
.dash-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid #e5ebe8; color: var(--teal-deep); font: 700 13px var(--display); }
.dash-date { color: #889793; font: 500 11px var(--sans); }
.dash-task { display: flex; align-items: center; gap: 11px; padding: 16px 0; border-bottom: 1px solid #ecf0ee; }
.dash-task > div { display: grid; gap: 3px; min-width: 0; flex: 1; }
.dash-task b { color: var(--teal-deep); font-size: 12px; }
.dash-task small { color: #82918e; font-size: 10px; }
.task-check, .task-number { width: 28px; height: 28px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; }
.task-check { background: #dfeee9; color: var(--teal); }
.task-check svg { width: 15px; height: 15px; }
.task-number { color: #8c9b97; background: #f1f4f2; font: 700 10px var(--display); }
.dash-task em { color: var(--teal); font-size: 10px; font-style: normal; }
.task-play { width: 31px; height: 31px; display: grid; place-items: center; border: 0; border-radius: 50%; background: var(--coral); color: white; }
.task-play svg { width: 13px; height: 13px; fill: currentColor; }
.task-lock { color: #b2bfba; }
.task-lock svg { width: 15px; height: 15px; }
.dash-foot { display: grid; grid-template-columns: 1fr auto; gap: 7px 14px; padding-top: 17px; color: #7d8c88; font-size: 10px; }
.dash-foot strong { color: var(--teal); font: 800 16px var(--display); }
.mini-progress { grid-column: 1 / -1; height: 6px; overflow: hidden; border-radius: 999px; background: #e5eeea; }
.mini-progress span { display: block; height: 100%; border-radius: inherit; background: var(--teal); }

.closing-cta { display: flex; align-items: center; gap: 25px; padding-top: 78px; padding-bottom: 82px; }
.cta-mark { display: inline-flex; align-items: end; gap: 4px; width: 43px; height: 45px; margin-right: 4px; }
.cta-mark span { display: block; width: 10px; border-radius: 7px 7px 2px 2px; }
.cta-mark span:nth-child(1) { height: 23px; background: #a9c9bd; }
.cta-mark span:nth-child(2) { height: 40px; background: var(--coral); }
.cta-mark span:nth-child(3) { height: 31px; background: var(--gold); }
.closing-cta > div:not(.cta-mark) { flex: 1; }
.closing-cta .eyebrow { margin-bottom: 8px; }
.closing-cta h2 { margin-bottom: 5px; color: var(--teal-deep); font-size: 30px; }
.closing-cta p:last-child { margin: 0; color: var(--muted); font-size: 13px; }

.site-footer { border-top: 1px solid var(--line); background: #e9efea; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 22px; align-items: end; padding: 35px 0 37px; }
.footer-brand p { margin: 13px 0 0; color: #6d7c78; font-size: 11px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: end; gap: 18px; color: #60706c; font-size: 11px; }
.footer-links a:hover { color: var(--coral); }
.footer-copy { grid-column: 1 / -1; color: #899691; font-size: 10px; }

.modal { position: fixed; inset: 0; z-index: 40; display: grid; place-items: center; padding: 20px; opacity: 0; pointer-events: none; transition: opacity .22s ease; }
.modal.is-open { opacity: 1; pointer-events: auto; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(16, 39, 42, .64); }
.modal-card { position: relative; width: min(520px, 100%); padding: 33px; border: 1px solid rgba(255,255,255,.42); border-radius: 18px; background: #fbfdf9; box-shadow: 0 28px 70px rgba(0,0,0,.3); transform: translateY(12px); transition: transform .25s ease; }
.modal.is-open .modal-card { transform: translateY(0); }
.modal-close { position: absolute; top: 16px; right: 16px; background: transparent; border-color: transparent; }
.modal-card h2 { margin-bottom: 7px; font-size: 32px; }
.modal-copy { margin-bottom: 24px; color: var(--muted); font-size: 13px; }
.demo-sentence { display: flex; align-items: center; gap: 7px; min-height: 70px; padding: 13px; border: 1px solid #d4e0dc; border-radius: 12px; background: #f0f6f1; color: var(--teal-deep); font: 700 24px var(--display); }
.word-slot { padding: 8px 10px; border: 1px solid #b9d4ca; border-radius: 8px; background: #fff; color: var(--teal); font: 700 18px var(--display); }
.word-slot.is-selected { border-color: var(--coral); box-shadow: 0 0 0 3px rgba(217,108,78,.13); color: var(--coral); }
.word-bank { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 13px; }
.bank-word { padding: 8px 11px; border: 1px solid #d4ded9; border-radius: 999px; background: #fff; color: #5c6d6a; font-size: 11px; }
.bank-word:hover { border-color: var(--teal); color: var(--teal); }
.demo-feedback { min-height: 24px; margin-bottom: 18px; color: var(--muted); font-size: 11px; }
.demo-feedback.success { color: var(--teal); }
.demo-feedback.error { color: var(--coral); }
.modal-submit { width: 100%; }

@media (max-width: 1020px) {
  :root { --shell: min(100% - 36px, 860px); }
  .header-inner { gap: 21px; }
  .main-nav { gap: 16px; }
  .hero { grid-template-columns: 1fr; gap: 46px; padding-top: 58px; }
  .hero-copy { padding-left: 0; }
  .hero-visual { width: min(680px, 100%); margin: 0 auto; }
  .method-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .atlas-layout, .progress-layout { grid-template-columns: 1fr; gap: 50px; }
}

@media (max-width: 860px) {
  .path-strip { grid-template-columns: 1fr; gap: 18px; }
  .path-steps { min-width: 0; max-width: 100%; overflow-x: auto; justify-content: flex-start; padding-bottom: 2px; }
  .path-line { min-width: 28px; flex: 0 0 28px; }
}

@media (max-width: 720px) {
  :root { --shell: calc(100% - 30px); }
  body { font-size: 14px; }
  .site-header { position: sticky; }
  .header-inner { min-height: 68px; }
  .nav-toggle { display: inline-grid; }
  .main-nav { position: absolute; top: 67px; left: 15px; right: 15px; display: grid; gap: 2px; padding: 9px; border: 1px solid var(--line); border-radius: 12px; background: #fff; box-shadow: 0 16px 30px rgba(24,51,48,.13); opacity: 0; pointer-events: none; transform: translateY(-6px); transition: opacity .18s ease, transform .18s ease; }
  .main-nav.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .main-nav a { padding: 11px 12px; border-radius: 8px; }
  .main-nav a:hover { background: #f2f6f3; }
  .header-actions { gap: 9px; }
  .header-actions .text-link { display: none; }
  .button-small { padding: 0 12px; }
  .hero { padding-top: 45px; padding-bottom: 52px; }
  h1 { font-size: clamp(36px, 11vw, 54px); }
  .hero-lede { font-size: 14px; line-height: 1.75; }
  .hero-proof { gap: 16px; margin-top: 32px; }
  .hero-proof strong { font-size: 22px; }
  .visual-frame, .visual-frame img { min-height: 430px; height: 430px; }
  .sentence-panel { left: 19px; right: 19px; bottom: 19px; padding: 15px; }
  .sentence-line { font-size: 22px; }
  .float-card { min-width: 155px; padding: 8px 10px; }
  .float-card-a { top: 56px; right: 10px; }
  .float-card-b { bottom: 114px; left: 10px; }
  .path-strip { grid-template-columns: 1fr; gap: 18px; padding: 19px; }
  .path-steps { overflow-x: auto; justify-content: start; padding-bottom: 2px; }
  .path-line { min-width: 22px; flex: 0 0 22px; }
  .section { padding: 78px 0; }
  .split-heading { grid-template-columns: 1fr; gap: 18px; }
  .split-heading > p { max-width: 520px; }
  .method-grid, .route-grid { grid-template-columns: 1fr; }
  .method-card { min-height: 245px; }
  .method-card p { min-height: 0; }
  .route-card { min-height: 150px; }
  .word-map { min-height: 370px; }
  .map-1 { left: 6%; }
  .map-2 { right: 6%; }
  .map-3 { left: 5%; }
  .map-4 { right: 4%; }
  .map-line { width: 142px; }
  .map-caption { font-size: 9px; }
  .closing-cta { display: grid; grid-template-columns: auto 1fr; gap: 14px; padding-top: 58px; padding-bottom: 63px; }
  .closing-cta .button { grid-column: 1 / -1; width: 100%; }
  .footer-inner { grid-template-columns: 1fr; align-items: start; }
  .footer-links { justify-content: start; gap: 12px; }
  .footer-copy { grid-column: auto; }
  .modal-card { padding: 27px 20px 20px; }
  .demo-sentence { flex-wrap: wrap; font-size: 20px; }
  .word-slot { font-size: 16px; }
}

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