:root {
    --g101-ink: #173f42;
    --g101-ink-dark: #102f31;
    --g101-coral: #e9845a;
    --g101-cream: #f5f1e8;
    --g101-paper: #fffdf8;
    --g101-mist: #e4ece9;
    --g101-muted: #637376;
    --g101-line: #d8e0dc;
    --g101-shadow: 0 24px 70px rgba(23, 63, 66, .12);
    --g101-radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--g101-cream); color: var(--g101-ink-dark); font-family: "DM Sans", system-ui, -apple-system, sans-serif; line-height: 1.55; }
a { color: inherit; }
.g101-shell { width: min(1160px, calc(100% - 48px)); margin: 0 auto; }
.g101-nav { position: relative; z-index: 5; background: rgba(245, 241, 232, .94); border-bottom: 1px solid rgba(23, 63, 66, .08); backdrop-filter: blur(12px); }
.g101-nav-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.g101-brand { display: inline-flex; align-items: center; gap: 10px; color: var(--g101-ink); text-decoration: none; font-weight: 700; letter-spacing: -.03em; font-size: 1.04rem; white-space: nowrap; }
.g101-brand-mark { width: 30px; height: 30px; display: inline-grid; place-items: center; background: var(--g101-coral); color: white; border-radius: 9px; font-family: Georgia, serif; font-size: 1.15rem; font-weight: 700; }
.g101-brand-dot { color: var(--g101-coral); }
.g101-nav-links { display: flex; align-items: center; gap: 25px; font-size: .9rem; color: #3d5556; }
.g101-nav-links a { text-decoration: none; }
.g101-nav-links a:hover, .g101-nav-active { color: var(--g101-coral); }
.g101-nav-toggle, .g101-nav-burger { display: none; }
.g101-button { display: inline-flex; justify-content: center; align-items: center; gap: 8px; padding: 14px 21px; border: 0; border-radius: 999px; font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.g101-button:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(23, 63, 66, .15); }
.g101-button-small { padding: 10px 16px; background: var(--g101-ink); color: white !important; font-size: .83rem; }
.g101-button-primary { background: var(--g101-coral); color: white; }
.g101-button-dark { background: var(--g101-ink); color: white; }
.g101-button-light { background: var(--g101-cream); color: var(--g101-ink); }
.g101-button-wide { width: 100%; }
.g101-kicker { margin: 0 0 16px; color: var(--g101-coral); text-transform: uppercase; letter-spacing: .16em; font-size: .72rem; font-weight: 700; }
.g101-kicker-light { color: #f3b096; }
.g101-promo-bar { min-height: 38px; display: flex; justify-content: center; align-items: center; gap: 14px; padding: 8px 24px; color: white; background: var(--g101-ink); font-size: .83rem; }
.g101-promo-bar a { color: #f8c7b6; font-weight: 700; text-decoration: none; }
.g101-hero { padding: 90px 0 100px; overflow: hidden; }
.g101-hero-grid { display: grid; grid-template-columns: 1fr .86fr; align-items: center; gap: 82px; }
.g101-hero-copy h1, .g101-page-hero h1, .g101-section-heading h2, .g101-split-grid h2, .g101-cta h2 { margin: 0; font-family: Fraunces, Georgia, serif; color: var(--g101-ink); font-weight: 600; letter-spacing: -.045em; line-height: .98; }
.g101-hero-copy h1 { max-width: 640px; font-size: clamp(3.8rem, 7vw, 6.2rem); }
.g101-hero-copy h1 em, .g101-split-grid h2 em { color: var(--g101-coral); font-style: normal; }
.g101-lede { max-width: 570px; margin: 30px 0 28px; color: #486062; font-size: 1.12rem; }
.g101-actions { display: flex; align-items: center; gap: 25px; flex-wrap: wrap; }
.g101-text-link { color: var(--g101-ink); font-weight: 700; text-decoration: none; }
.g101-text-link span { color: var(--g101-coral); padding-left: 4px; }
.g101-proof { display: flex; gap: 8px; align-items: center; margin: 24px 0 0; color: var(--g101-muted); font-size: .88rem; }
.g101-proof span, .g101-check { color: var(--g101-coral); font-weight: 700; }
.g101-hero-card { position: relative; background: var(--g101-paper); border: 1px solid rgba(23, 63, 66, .1); border-radius: 24px; box-shadow: var(--g101-shadow); transform: rotate(2deg); overflow: hidden; }
.g101-card-top, .g101-card-bottom { display: flex; justify-content: space-between; align-items: center; gap: 15px; padding: 17px 23px; font-size: .75rem; }
.g101-card-top { border-bottom: 1px solid var(--g101-line); color: var(--g101-muted); }
.g101-card-label { color: var(--g101-coral); font-weight: 700; text-transform: uppercase; letter-spacing: .1em; }
.g101-card-module { font-weight: 600; }
.g101-grammar-board { padding: 34px 34px 40px; }
.g101-board-label { margin: 0 0 12px; color: var(--g101-coral); font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; }
.g101-grammar-board h2 { margin: 0 0 13px; color: var(--g101-ink); font-family: Fraunces, Georgia, serif; font-size: 2rem; line-height: 1.05; }
.g101-grammar-board > p:not(.g101-board-label) { margin: 0 0 23px; color: #526769; font-size: .92rem; }
.g101-example-row { display: flex; justify-content: space-between; gap: 12px; padding: 15px 0; border-top: 1px solid var(--g101-line); color: var(--g101-ink); font-size: 1.02rem; }
.g101-example-row strong { color: var(--g101-coral); }
.g101-example-row small { color: var(--g101-muted); font-size: .75rem; }
.g101-card-bottom { justify-content: flex-start; border-top: 1px solid var(--g101-line); color: var(--g101-muted); }
.g101-card-bottom .g101-arrow { margin-left: auto; color: var(--g101-coral); font-size: 1.2rem; }
.g101-trust-strip { border-top: 1px solid var(--g101-line); border-bottom: 1px solid var(--g101-line); background: rgba(255, 253, 248, .48); }
.g101-trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); padding: 22px 0; color: var(--g101-muted); font-size: .82rem; text-align: center; }
.g101-trust-grid span + span { border-left: 1px solid var(--g101-line); }
.g101-section { padding: 105px 0; }
.g101-section-heading { max-width: 600px; margin-bottom: 52px; }
.g101-section-heading h2, .g101-split-grid h2, .g101-cta h2 { font-size: clamp(2.5rem, 5vw, 4.2rem); }
.g101-section-heading > p:last-child { max-width: 490px; margin: 22px 0 0; color: var(--g101-muted); font-size: 1.06rem; }
.g101-feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.g101-feature-card { padding: 29px; background: var(--g101-paper); border: 1px solid var(--g101-line); border-radius: var(--g101-radius); }
.g101-feature-number { color: var(--g101-coral); font-family: Fraunces, Georgia, serif; font-size: 1.45rem; }
.g101-feature-card h3 { margin: 32px 0 12px; color: var(--g101-ink); font-family: Fraunces, Georgia, serif; font-size: 1.55rem; }
.g101-feature-card p { margin: 0; color: var(--g101-muted); font-size: .94rem; }
.g101-section-ink { color: #e9f0ec; background: var(--g101-ink); }
.g101-split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; }
.g101-split-grid h2 { color: var(--g101-cream); }
.g101-split-grid > div:first-child > p:not(.g101-kicker) { max-width: 480px; margin: 25px 0 29px; color: #b6ccc5; }
.g101-module-stack { border-top: 1px solid rgba(229, 240, 235, .2); }
.g101-module-stack .g101-module-row { display: grid; grid-template-columns: 50px 1fr 24px; gap: 18px; align-items: center; padding: 21px 0; border-bottom: 1px solid rgba(229, 240, 235, .2); }
.g101-module-stack .g101-module-row > span { color: #f3b096; font-family: Fraunces, Georgia, serif; font-size: 1.35rem; }
.g101-module-stack .g101-module-row strong { display: block; color: var(--g101-cream); font-family: Fraunces, Georgia, serif; font-size: 1.23rem; }
.g101-module-stack .g101-module-row small { display: block; margin-top: 3px; color: #a6c0b8; font-size: .78rem; }
.g101-module-stack .g101-module-row b { color: var(--g101-coral); font-size: 1.3rem; }
.g101-quote-section { padding: 90px 0; background: var(--g101-paper); }
.g101-quote { max-width: 860px; text-align: center; }
.g101-quote-mark { display: block; height: 58px; color: var(--g101-coral); font-family: Georgia, serif; font-size: 6rem; line-height: 1; }
.g101-quote blockquote { margin: 0; color: var(--g101-ink); font-family: Fraunces, Georgia, serif; font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.1; letter-spacing: -.03em; }
.g101-quote-caption { display: block; margin-top: 25px; color: var(--g101-muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .15em; }
.g101-cta-section { padding: 100px 0; }
.g101-cta { max-width: 760px; text-align: center; }
.g101-cta h2 { font-size: clamp(2.6rem, 5vw, 4.4rem); }
.g101-cta > p:not(.g101-kicker) { max-width: 520px; margin: 24px auto 30px; color: var(--g101-muted); }
.g101-footer { padding: 58px 0 24px; color: #abc2bb; background: var(--g101-ink-dark); }
.g101-footer .g101-brand { color: var(--g101-cream); }
.g101-footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr; gap: 50px; padding-bottom: 48px; }
.g101-footer-grid > div:first-child p { max-width: 220px; color: #789490; font-size: .84rem; }
.g101-footer-grid > div:not(:first-child) { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; font-size: .84rem; }
.g101-footer-grid strong { margin-bottom: 8px; color: var(--g101-cream); font-size: .76rem; text-transform: uppercase; letter-spacing: .12em; }
.g101-footer a { text-decoration: none; }
.g101-footer a:hover { color: #f3b096; }
.g101-footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 19px; border-top: 1px solid rgba(229, 240, 235, .15); color: #789490; font-size: .75rem; }
.g101-page-hero { padding: 100px 0 88px; background: var(--g101-paper); }
.g101-page-hero h1 { max-width: 800px; font-size: clamp(3.4rem, 7vw, 5.7rem); }
.g101-page-hero > .g101-shell > p:last-child { max-width: 650px; margin: 25px 0 0; color: var(--g101-muted); font-size: 1.08rem; }
.g101-catalogue { padding-top: 80px; }
.g101-course-heading { display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: center; margin-bottom: 45px; padding: 30px; border: 1px solid var(--g101-line); border-radius: var(--g101-radius); background: var(--g101-paper); }
.g101-course-emoji { font-size: 3rem; }
.g101-course-heading h2 { margin: 0; color: var(--g101-ink); font-family: Fraunces, Georgia, serif; font-size: 2.5rem; line-height: 1; }
.g101-course-heading p:last-child { max-width: 600px; margin: 10px 0 0; color: var(--g101-muted); }
.g101-catalogue-modules { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.g101-catalogue-module { padding: 25px; border-radius: var(--g101-radius); background: #e9f0ec; }
.g101-catalogue-module-top { display: flex; align-items: baseline; gap: 13px; }
.g101-catalogue-module-top span { color: var(--g101-coral); font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.g101-catalogue-module h3 { margin: 0; color: var(--g101-ink); font-family: Fraunces, Georgia, serif; font-size: 1.48rem; }
.g101-catalogue-module > p { min-height: 75px; margin: 14px 0 21px; color: var(--g101-muted); font-size: .86rem; }
.g101-module-list { border-top: 1px solid #cbdad4; }
.g101-module-row { display: grid; grid-template-columns: 64px 1fr; gap: 8px; padding: 12px 0; border-bottom: 1px solid #cbdad4; font-size: .78rem; }
.g101-module-row span { color: var(--g101-coral); }
.g101-module-row strong { color: var(--g101-ink); font-size: .82rem; }
.g101-module-row small { grid-column: 2; color: var(--g101-muted); }
.g101-pricing-hero { text-align: center; }
.g101-pricing-hero > .g101-shell > p:last-of-type { margin-left: auto; margin-right: auto; }
.g101-promo-callout { display: inline-flex; flex-direction: column; gap: 4px; margin-top: 27px; padding: 13px 20px; border: 1px solid #f0b69e; border-radius: 12px; color: var(--g101-ink); background: #fff2ec; font-size: .86rem; }
.g101-promo-callout strong { color: var(--g101-coral); }
.g101-price-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; max-width: 880px; margin: 0 auto; }
.g101-price-card { position: relative; padding: 34px; border: 1px solid var(--g101-line); border-radius: var(--g101-radius); background: var(--g101-paper); }
.g101-price-card-featured { border: 2px solid var(--g101-coral); box-shadow: var(--g101-shadow); }
.g101-price-badge { position: absolute; top: -14px; right: 24px; padding: 5px 12px; border-radius: 99px; color: white; background: var(--g101-coral); font-size: .72rem; font-weight: 700; }
.g101-price-card h2 { margin: 0; color: var(--g101-ink); font-family: Fraunces, Georgia, serif; font-size: 2.25rem; }
.g101-price-card > p:not(.g101-kicker) { min-height: 70px; margin: 12px 0 20px; color: var(--g101-muted); font-size: .91rem; }
.g101-price { display: flex; align-items: baseline; gap: 10px; margin-bottom: 8px; }
.g101-price span { color: var(--g101-ink); font-family: Fraunces, Georgia, serif; font-size: 4.2rem; line-height: 1; }
.g101-price small { color: var(--g101-muted); font-size: .76rem; }
.g101-price-save { min-height: 26px; margin-bottom: 16px; color: var(--g101-coral); font-size: .83rem; font-weight: 700; }
.g101-price-card ul { display: grid; gap: 11px; margin: 23px 0 0; padding: 23px 0 0 20px; border-top: 1px solid var(--g101-line); color: var(--g101-muted); font-size: .86rem; }
.g101-price-card li::marker { color: var(--g101-coral); }
.g101-price-note { margin: 25px auto 0; color: var(--g101-muted); text-align: center; font-size: .82rem; }
.g101-price-note a, .g101-legal a { color: var(--g101-coral); font-weight: 700; }
.g101-split-small { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.g101-split-small h2 { margin: 0; color: var(--g101-ink); font-family: Fraunces, Georgia, serif; font-size: 3rem; line-height: 1; }
.g101-split-small > p { margin: 0; color: var(--g101-muted); font-size: 1.05rem; }
.g101-support-section { padding-top: 80px; }
.g101-support-grid { display: grid; grid-template-columns: .75fr 1fr; gap: 100px; align-items: start; max-width: 970px; }
.g101-support-grid h2, .g101-legal h2 { margin: 0 0 16px; color: var(--g101-ink); font-family: Fraunces, Georgia, serif; font-size: 2.45rem; line-height: 1.05; }
.g101-support-grid > div:first-child > p { color: var(--g101-muted); }
.g101-help-note { display: grid; gap: 5px; margin-top: 28px; padding: 18px; border-left: 3px solid var(--g101-coral); background: #fff2ec; font-size: .84rem; }
.g101-help-note span { color: var(--g101-muted); }
.g101-form-card { padding: 30px; border-radius: var(--g101-radius); background: var(--g101-paper); border: 1px solid var(--g101-line); }
.g101-form-card form { display: grid; gap: 17px; }
.g101-form-card label { display: grid; gap: 7px; color: var(--g101-ink); font-size: .82rem; font-weight: 700; }
.g101-form-card input, .g101-form-card textarea { width: 100%; padding: 12px 13px; border: 1px solid var(--g101-line); border-radius: 9px; color: var(--g101-ink-dark); background: #fff; font: inherit; font-size: .9rem; resize: vertical; }
.g101-form-card input:focus, .g101-form-card textarea:focus { outline: 2px solid #f0b69e; border-color: var(--g101-coral); }
.g101-alert { margin-bottom: 18px; padding: 13px 15px; border-radius: 9px; font-size: .84rem; }
.g101-alert-success { color: #215c49; background: #e3f3ea; }
.g101-alert-error { color: #923d30; background: #fff0eb; }
.g101-legal { padding-top: 75px; }
.g101-legal .g101-shell { max-width: 800px; }
.g101-legal h2 { margin-top: 40px; font-size: 2rem; }
.g101-legal h2:first-child { margin-top: 0; }
.g101-legal p { color: var(--g101-muted); }

/* Learner app */
.g101-app-body { min-height: 100vh; background: var(--g101-cream); }
.g101-app-shell { min-height: 100vh; }
.g101-app-header { position: sticky; top: 0; z-index: 4; display: flex; align-items: center; justify-content: space-between; min-height: 68px; padding: 0 28px; border-bottom: 1px solid var(--g101-line); background: rgba(245, 241, 232, .96); backdrop-filter: blur(10px); }
.g101-app-header-actions { display: flex; align-items: center; gap: 17px; }
.g101-user-status { color: var(--g101-muted); font-size: .78rem; }
.g101-app-link { color: var(--g101-muted); font-size: .83rem; text-decoration: none; }
.g101-app-content { display: grid; grid-template-columns: 320px 1fr; min-height: calc(100vh - 68px); }
.g101-course-sidebar { display: flex; flex-direction: column; border-right: 1px solid var(--g101-line); background: #eef2ee; }
.g101-sidebar-heading { padding: 29px 24px 18px; }
.g101-sidebar-heading h1 { margin: 0; color: var(--g101-ink); font-family: Fraunces, Georgia, serif; font-size: 1.85rem; line-height: 1; }
.g101-course-nav-course { border-top: 1px solid var(--g101-line); }
.g101-course-nav-course > button { width: 100%; display: flex; align-items: center; gap: 10px; padding: 17px 24px; border: 0; color: var(--g101-ink); background: transparent; font: inherit; font-weight: 700; text-align: left; cursor: pointer; }
.g101-course-nav-course > button small { margin-left: auto; color: var(--g101-muted); }
.g101-app-module { margin: 4px 0 12px; padding: 7px 14px 14px 24px; }
.g101-app-module-label { display: flex; align-items: center; gap: 8px; padding: 7px 10px; color: var(--g101-muted); font-size: .73rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; }
.g101-app-lesson { display: flex; align-items: baseline; gap: 8px; width: 100%; padding: 7px 10px; border: 0; border-radius: 7px; color: var(--g101-ink); background: transparent; font: inherit; font-size: .82rem; text-align: left; cursor: pointer; }
.g101-app-lesson:hover, .g101-app-lesson.is-selected { color: var(--g101-coral); background: #fff8f3; }
.g101-app-lesson small { width: 26px; color: var(--g101-muted); font-size: .7rem; }
.g101-sidebar-footer { margin-top: auto; padding: 20px 24px; border-top: 1px solid var(--g101-line); }
.g101-sidebar-footer a { color: var(--g101-coral); font-size: .82rem; font-weight: 700; text-decoration: none; }
.g101-sidebar-footer p { margin: 5px 0 0; color: var(--g101-muted); font-size: .72rem; }
.g101-lesson-pane { width: min(850px, 100%); padding: 62px 46px 100px; margin: 0 auto; }
.g101-lesson-meta { display: flex; gap: 10px; margin-bottom: 17px; color: var(--g101-coral); font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; }
.g101-lesson-header h1 { margin: 0; color: var(--g101-ink); font-family: Fraunces, Georgia, serif; font-size: clamp(2.6rem, 6vw, 4.55rem); line-height: .98; letter-spacing: -.04em; }
.g101-lesson-intro { margin: 22px 0 38px; color: var(--g101-muted); font-size: 1.05rem; }
.g101-auth-card { max-width: 560px; margin: 0 auto; padding: 38px; border: 1px solid var(--g101-line); border-radius: var(--g101-radius); background: var(--g101-paper); box-shadow: var(--g101-shadow); }
.g101-auth-card h1 { margin: 0; color: var(--g101-ink); font-family: Fraunces, Georgia, serif; font-size: clamp(2.5rem, 6vw, 4rem); line-height: 1; }
.g101-auth-card > p:not(.g101-auth-switch) { margin: 18px 0 28px; color: var(--g101-muted); }
.g101-auth-form { display: grid; gap: 16px; }
.g101-auth-form label { display: grid; gap: 7px; color: var(--g101-ink); font-size: .82rem; font-weight: 700; }
.g101-auth-form input { width: 100%; padding: 12px 13px; border: 1px solid var(--g101-line); border-radius: 9px; color: var(--g101-ink-dark); background: #fff; font: inherit; font-size: .9rem; }
.g101-auth-form input:focus { outline: 2px solid #f0b69e; border-color: var(--g101-coral); }
.g101-auth-switch { margin: 20px 0 0; color: var(--g101-muted); font-size: .84rem; }
.g101-auth-switch button { padding: 0; border: 0; color: var(--g101-coral); background: transparent; font: inherit; font-weight: 700; cursor: pointer; }
.g101-section-card { margin: 20px 0; padding: 26px; border: 1px solid var(--g101-line); border-radius: 15px; background: var(--g101-paper); }
.g101-section-card h2 { margin: 0 0 12px; color: var(--g101-ink); font-family: Fraunces, Georgia, serif; font-size: 1.63rem; }
.g101-section-card p { margin: 8px 0; color: #4f6363; font-size: .93rem; }
.g101-lesson-example { margin: 20px 0; padding: 16px 18px; border-left: 3px solid var(--g101-coral); background: #fff4ee; }
.g101-lesson-example strong { display: block; color: var(--g101-ink); font-size: 1.05rem; }
.g101-lesson-example span { color: var(--g101-muted); font-size: .83rem; }
.g101-example-audio { display: block; width: min(100%, 360px); height: 36px; margin-top: 14px; }
.g101-watch-out { padding: 11px 14px; border-left: 2px solid #c6d8d1; color: var(--g101-muted) !important; font-size: .82rem !important; }
.g101-watch-out strong { color: var(--g101-ink); }
.g101-locked { padding: 31px; border: 1px solid #f0b69e; border-radius: 15px; background: #fff4ee; text-align: center; }
.g101-locked h2 { margin: 0; color: var(--g101-ink); font-family: Fraunces, Georgia, serif; font-size: 2rem; }
.g101-locked p { margin: 12px auto 20px; max-width: 480px; color: var(--g101-muted); font-size: .9rem; }
.g101-empty-state, .g101-loading { padding: 100px 25px; color: var(--g101-muted); text-align: center; }
.g101-empty-state h2 { margin: 12px 0 8px; color: var(--g101-ink); font-family: Fraunces, Georgia, serif; font-size: 2.4rem; }
.g101-empty-icon { color: var(--g101-coral); font-size: 2rem; }
.g101-spinner { display: inline-block; width: 26px; height: 26px; border: 3px solid #cad8d2; border-top-color: var(--g101-coral); border-radius: 50%; animation: g101-spin .8s linear infinite; }
@keyframes g101-spin { to { transform: rotate(360deg); } }
.g101-app-alert { position: fixed; right: 20px; top: 82px; z-index: 8; max-width: 350px; padding: 12px 15px; border-radius: 9px; color: #923d30; background: #fff0eb; box-shadow: var(--g101-shadow); font-size: .82rem; }
.g101-app-alert:empty { display: none; }

@media (max-width: 850px) {
    .g101-shell { width: min(100% - 34px, 700px); }
    .g101-nav-inner { min-height: 66px; }
    .g101-nav-burger { display: block; color: var(--g101-ink); font-size: 1.3rem; cursor: pointer; }
    .g101-nav-links { position: absolute; top: 66px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 15px 17px 20px; background: var(--g101-cream); border-bottom: 1px solid var(--g101-line); }
    .g101-nav-links a { padding: 11px 5px; }
    .g101-nav-toggle:checked ~ .g101-nav-links { display: flex; }
    .g101-hero { padding: 60px 0 75px; }
    .g101-hero-grid, .g101-split-grid, .g101-split-small, .g101-support-grid { grid-template-columns: 1fr; gap: 45px; }
    .g101-hero-card { max-width: 540px; margin: 0 auto; }
    .g101-feature-grid, .g101-catalogue-modules, .g101-price-grid { grid-template-columns: 1fr; }
    .g101-trust-grid { grid-template-columns: 1fr; gap: 12px; text-align: left; }
    .g101-trust-grid span + span { padding-top: 12px; border-top: 1px solid var(--g101-line); border-left: 0; }
    .g101-course-heading { grid-template-columns: auto 1fr; }
    .g101-course-heading .g101-button { grid-column: 1 / -1; }
    .g101-catalogue-module > p { min-height: auto; }
    .g101-footer-grid { grid-template-columns: 1fr 1fr; gap: 35px; }
    .g101-footer-grid > div:first-child { grid-column: 1 / -1; }
    .g101-app-content { display: block; }
    .g101-course-sidebar { min-height: auto; border-right: 0; border-bottom: 1px solid var(--g101-line); }
    .g101-course-nav-course:not(:first-child) { display: none; }
    .g101-sidebar-footer { margin-top: 0; }
    .g101-lesson-pane { padding: 42px 20px 70px; }
}
@media (max-width: 520px) {
    .g101-promo-bar { flex-direction: column; gap: 3px; text-align: center; font-size: .76rem; }
    .g101-hero-copy h1 { font-size: 3.4rem; }
    .g101-page-hero { padding: 70px 0 60px; }
    .g101-page-hero h1 { font-size: 3.3rem; }
    .g101-grammar-board { padding: 25px 22px 30px; }
    .g101-example-row { display: grid; gap: 3px; }
    .g101-section { padding: 75px 0; }
    .g101-course-heading { padding: 21px; }
    .g101-course-heading h2 { font-size: 2rem; }
    .g101-price-card { padding: 26px 22px; }
    .g101-price span { font-size: 3.65rem; }
    .g101-footer-bottom { flex-direction: column; gap: 5px; }
    .g101-app-header { padding: 0 16px; }
    .g101-app-header-actions { gap: 8px; }
    .g101-user-status { display: none; }
}