:root {
  --color-navy: #102a43;
  --color-navy-deep: #08213a;
  --color-blue: #1677c8;
  --color-blue-dark: #0e5e9f;
  --color-teal: #18a6a6;
  --color-teal-light: #dff7f5;
  --color-sky: #edf7fc;
  --color-white: #ffffff;
  --color-text: #334e68;
  --color-muted: #627d98;
  --color-border: #d9e7ef;
  --shadow-sm: 0 8px 24px rgba(16, 42, 67, 0.08);
  --shadow-md: 0 18px 45px rgba(16, 42, 67, 0.12);
  --radius-sm: 0.75rem;
  --radius-md: 1.25rem;
  --radius-lg: 2rem;
  --container: 78rem;
  --space-section: clamp(4.5rem, 9vw, 7.5rem);
  --transition: 180ms ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 6rem; }
body { margin: 0; color: var(--color-text); background: var(--color-white); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 1.0625rem; line-height: 1.7; }
body.menu-open { overflow: hidden; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--color-navy); line-height: 1.15; }
h1 { max-width: 14ch; margin-bottom: 1.5rem; font-size: clamp(2.65rem, 6vw, 4.85rem); letter-spacing: -0.045em; }
h2 { margin-bottom: 1rem; font-size: clamp(2rem, 4vw, 3.1rem); letter-spacing: -0.035em; }
h3 { margin-bottom: 0.7rem; font-size: 1.2rem; }
p { margin-bottom: 1rem; }

.container { width: min(calc(100% - 2.5rem), var(--container)); margin-inline: auto; }
.section { padding-block: var(--space-section); }
.section-tinted { background: linear-gradient(180deg, #f5fafc 0%, var(--color-sky) 100%); }
.section-heading { max-width: 48rem; margin: 0 auto clamp(2.5rem, 5vw, 4rem); text-align: center; }
.section-heading > p:last-child { color: var(--color-muted); font-size: 1.125rem; }
.section-heading-left { margin-inline: 0; text-align: left; }
.eyebrow { margin-bottom: 0.8rem; color: var(--color-blue-dark); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.13em; text-transform: uppercase; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 1000; top: 0.75rem; left: 0.75rem; padding: 0.7rem 1rem; color: var(--color-white); background: var(--color-navy); border-radius: 0.4rem; transform: translateY(-150%); transition: transform var(--transition); }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid #f0a721; outline-offset: 3px; }

.site-header { position: sticky; z-index: 100; top: 0; background: rgba(255, 255, 255, 0.94); border-bottom: 1px solid rgba(217, 231, 239, 0.72); backdrop-filter: blur(12px); transition: border-color var(--transition), box-shadow var(--transition); }
.site-header.is-scrolled { border-bottom-color: rgba(180, 205, 219, 0.8); box-shadow: 0 5px 18px rgba(16, 42, 67, 0.07); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 5rem; }
.brand { display: block; position: relative; width: 19rem; height: 3rem; overflow: hidden; flex: 0 0 auto; text-decoration: none; }
.brand-logo { display: block; position: absolute; width: 27rem; max-width: none; height: auto; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.footer-brand { width: 20rem; height: 4rem; }
.footer-brand .brand-logo { width: 30rem; }
.primary-nav ul, .footer-links, .footer-bottom ul { display: flex; align-items: center; gap: clamp(1rem, 2vw, 1.75rem); padding: 0; margin: 0; list-style: none; }
.primary-nav a:not(.button), .footer-links a, .footer-bottom a { color: var(--color-navy); font-size: 0.98rem; font-weight: 650; text-decoration: none; transition: color var(--transition); }
.primary-nav a:not(.button):hover, .footer-links a:hover, .footer-bottom a:hover { color: var(--color-blue); }
.primary-nav a:not(.button) { position: relative; }
.primary-nav a:not(.button)::after { position: absolute; right: 0; bottom: -0.35rem; left: 0; height: 2px; background: var(--color-teal); border-radius: 2px; content: ""; transform: scaleX(0); transform-origin: center; transition: transform var(--transition); }
.primary-nav a:not(.button):hover::after, .primary-nav a:not(.button):focus-visible::after { transform: scaleX(1); }
.menu-toggle { display: none; width: 2.75rem; height: 2.75rem; padding: 0; place-items: center; color: var(--color-navy); background: transparent; border: 0; border-radius: 0.5rem; cursor: pointer; }
.menu-icon, .menu-icon::before, .menu-icon::after { display: block; width: 1.5rem; height: 2px; background: currentColor; transition: transform var(--transition), opacity var(--transition); }
.menu-icon { position: relative; }
.menu-icon::before, .menu-icon::after { position: absolute; left: 0; content: ""; }
.menu-icon::before { top: -0.45rem; }
.menu-icon::after { top: 0.45rem; }
.menu-toggle[aria-expanded="true"] .menu-icon { background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-icon::before { top: 0; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-icon::after { top: 0; transform: rotate(-45deg); }

.button { display: inline-flex; min-height: 3.15rem; align-items: center; justify-content: center; padding: 0.75rem 1.45rem; color: var(--color-white); background: var(--color-blue); border: 2px solid var(--color-blue); border-radius: 999px; font-weight: 750; line-height: 1.2; text-align: center; text-decoration: none; box-shadow: 0 8px 18px rgba(22, 119, 200, 0.2); transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition); }
.button:hover { background: var(--color-blue-dark); border-color: var(--color-blue-dark); box-shadow: 0 10px 22px rgba(22, 119, 200, 0.28); transform: translateY(-2px); }
.button-small { min-height: 2.65rem; padding: 0.6rem 1.1rem; font-size: 0.9rem; }
.button-secondary { color: var(--color-navy); background: var(--color-white); border-color: var(--color-border); box-shadow: none; }
.button-secondary:hover { color: var(--color-blue-dark); background: var(--color-sky); border-color: #b6d7e9; }
.button-group { display: flex; flex-wrap: wrap; gap: 0.9rem; }

.hero { position: relative; overflow: hidden; padding-block: clamp(4rem, 7vw, 6.25rem); background: radial-gradient(circle at 88% 20%, rgba(24, 166, 166, 0.14), transparent 28rem), linear-gradient(135deg, #f7fbfe, #ffffff 68%); }
.hero::before { position: absolute; width: 20rem; height: 20rem; right: -10rem; bottom: -10rem; background: rgba(22, 119, 200, 0.06); border-radius: 50%; content: ""; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(24rem, 0.92fr); align-items: center; gap: clamp(3rem, 5vw, 4.75rem); }
.hero-lead { max-width: 41rem; margin-bottom: 2rem; color: var(--color-muted); font-size: clamp(1.15rem, 2vw, 1.32rem); }
.hero-note { margin: 1.25rem 0 0; color: var(--color-muted); font-size: 0.95rem; font-weight: 650; }
.hero-pricing { display: flex; max-width: 39rem; align-items: center; gap: 1.25rem; padding-top: 1.25rem; margin-top: 1.25rem; border-top: 1px solid var(--color-border); }
.hero-pricing > strong { flex: 0 0 auto; color: var(--color-navy); font-size: 1.55rem; line-height: 1; }
.hero-pricing > strong span { color: var(--color-muted); font-size: 0.82rem; font-weight: 700; }
.hero-pricing p { display: flex; flex-direction: column; margin: 0; color: var(--color-muted); font-size: 0.75rem; line-height: 1.45; }
.hero-pricing b { color: var(--color-navy); font-size: 0.82rem; }
.hero-visual { position: relative; display: grid; min-height: 29rem; padding: 3.75rem 2.5rem; place-items: center; background: linear-gradient(145deg, #116db5 0%, var(--color-blue) 45%, var(--color-teal) 100%); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); isolation: isolate; }
.hero-visual::before, .hero-visual::after { position: absolute; z-index: -1; border: 1px solid rgba(255, 255, 255, 0.26); border-radius: 50%; content: ""; }
.hero-visual::before { width: 18rem; height: 18rem; top: -5rem; right: -5rem; }
.hero-visual::after { width: 11rem; height: 11rem; bottom: -3rem; left: -3rem; }
.training-window { width: min(100%, 25rem); overflow: hidden; background: var(--color-white); border: 1px solid rgba(255, 255, 255, 0.72); border-radius: 1.15rem; box-shadow: 0 24px 55px rgba(4, 31, 55, 0.24); transform: rotate(-1deg); }
.window-bar { display: flex; align-items: center; gap: 0.85rem; min-height: 2.65rem; padding: 0.65rem 0.9rem; color: var(--color-muted); background: #f4f8fa; border-bottom: 1px solid var(--color-border); font-size: 0.68rem; font-weight: 750; }
.window-dots { display: flex; gap: 0.28rem; }
.window-dots i { width: 0.48rem; height: 0.48rem; background: #adc5d1; border-radius: 50%; }
.window-dots i:first-child { background: #4cc6bc; }
.lesson-screen { display: grid; min-height: 17rem; grid-template-columns: 3.6rem 1fr; }
.lesson-sidebar { display: flex; align-items: center; flex-direction: column; gap: 1rem; padding-block: 1.1rem; background: var(--color-navy); }
.lesson-sidebar > span:not(.profile-circle) { width: 1.25rem; height: 0.3rem; background: rgba(255, 255, 255, 0.28); border-radius: 1rem; }
.profile-circle { display: grid; width: 2rem; height: 2rem; place-items: center; color: var(--color-white); background: var(--color-teal); border-radius: 50%; font-size: 0.58rem; font-weight: 850; }
.lesson-content { padding: 1.4rem; background: linear-gradient(160deg, #ffffff, #edf7fc); }
.lesson-heading { display: flex; flex-direction: column; gap: 0.45rem; margin-bottom: 1.1rem; }
.lesson-heading span { width: 52%; height: 0.55rem; background: #bed8e5; border-radius: 1rem; }
.lesson-heading span:last-child { width: 32%; height: 0.35rem; background: #dceaf0; }
.computer-demo { overflow: hidden; background: var(--color-white); border: 1px solid var(--color-border); border-radius: 0.75rem; box-shadow: var(--shadow-sm); }
.demo-toolbar { display: flex; gap: 0.25rem; padding: 0.55rem 0.65rem; background: #eaf2f6; }
.demo-toolbar span { width: 0.35rem; height: 0.35rem; background: #94b7c7; border-radius: 50%; }
.demo-body { display: grid; min-height: 7rem; grid-template-columns: 2.3rem 1fr; align-content: center; align-items: center; gap: 0.45rem 0.75rem; padding: 1rem; }
.demo-check { display: grid; width: 2.3rem; height: 2.3rem; grid-row: 1 / 3; place-items: center; color: var(--color-white); background: var(--color-teal); border-radius: 50%; font-weight: 900; }
.demo-line { width: 82%; height: 0.45rem; background: #c7dce5; border-radius: 1rem; }
.demo-line-short { width: 55%; background: #e0ecf1; }
.lesson-status { display: flex; align-items: center; gap: 0.45rem; margin-top: 1rem; color: var(--color-blue-dark); font-size: 0.68rem; font-weight: 800; }
.lesson-status span { display: grid; width: 1.15rem; height: 1.15rem; place-items: center; color: var(--color-white); background: var(--color-blue); border-radius: 50%; font-size: 0.62rem; }
.learning-card { position: absolute; display: flex; align-items: center; gap: 0.7rem; padding: 0.8rem 1rem; color: var(--color-navy); background: rgba(255, 255, 255, 0.97); border: 1px solid rgba(255, 255, 255, 0.85); border-radius: 0.85rem; box-shadow: 0 12px 28px rgba(4, 31, 55, 0.2); font-size: 0.76rem; }
.learning-card-icon, .check-icon { display: grid; width: 2rem; height: 2rem; place-items: center; color: var(--color-white); background: var(--color-blue); border-radius: 0.6rem; font-size: 0.68rem; font-weight: 900; }
.check-icon { background: var(--color-teal); border-radius: 50%; font-size: 0.82rem; }
.learning-card-one { top: 1.6rem; left: 1.25rem; }
.learning-card-pace { right: 1.1rem; bottom: 2.3rem; }
.language-pill { position: absolute; display: flex; align-items: center; gap: 0.35rem; right: 1.25rem; top: 2rem; padding: 0.55rem 0.75rem; color: var(--color-navy); background: rgba(255, 255, 255, 0.96); border-radius: 999px; box-shadow: var(--shadow-sm); font-size: 0.62rem; }
.language-pill span { display: grid; width: 1.45rem; height: 1.45rem; place-items: center; color: var(--color-blue-dark); background: var(--color-sky); border-radius: 50%; font-size: 0.52rem; font-weight: 900; }
.language-pill span:nth-child(2) { color: #087b78; background: var(--color-teal-light); }
.language-pill strong { margin-left: 0.15rem; }

.card-grid { display: grid; gap: 1.4rem; }
.services-grid { grid-template-columns: repeat(4, 1fr); }
.service-card { display: flex; min-width: 0; min-height: 24rem; flex-direction: column; padding: 1.65rem; background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition); }
.service-card:hover { border-color: #abd8e1; box-shadow: var(--shadow-md); transform: translateY(-4px); }
.service-card h3 { min-height: 2.3em; margin-bottom: 0.75rem; }
.service-card p { margin-bottom: 1.25rem; color: var(--color-muted); font-size: 0.96rem; line-height: 1.6; }
.card-icon { display: grid; width: 3rem; height: 3rem; margin-bottom: 1.15rem; place-items: center; color: var(--color-blue-dark); background: var(--color-teal-light); border-radius: 0.8rem; }
.card-icon svg { width: 1.55rem; height: 1.55rem; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.service-topics { display: flex; align-items: flex-start; flex-direction: column; gap: 0.42rem; padding: 1rem 0 0; margin: auto 0 0; border-top: 1px solid var(--color-border); list-style: none; }
.service-topics li { position: relative; padding-left: 1.05rem; color: var(--color-navy); font-size: 0.79rem; font-weight: 700; line-height: 1.4; }
.service-topics li::before { position: absolute; top: 0.48em; left: 0; width: 0.38rem; height: 0.38rem; background: var(--color-teal); border-radius: 50%; content: ""; }
.services-cta { display: flex; align-items: center; justify-content: center; gap: 1.15rem; margin-top: 2.5rem; text-align: center; }
.services-cta p { margin: 0; color: var(--color-muted); font-weight: 650; }

.instructor-panel { max-width: 70rem; padding: clamp(1.5rem, 4vw, 3rem); margin-inline: auto; background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.tutor-portraits { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.tutor-profile { overflow: hidden; padding-bottom: 1.25rem; background: #f7fbfd; border: 1px solid var(--color-border); border-radius: var(--radius-md); text-align: center; }
.tutor-photo { display: grid; min-height: 14rem; margin-bottom: 1.2rem; place-items: center; color: var(--color-blue-dark); background: linear-gradient(145deg, #d9eef7, var(--color-teal-light)); }
.tutor-photo span { display: grid; width: 5.5rem; height: 5.5rem; place-items: center; background: rgba(255, 255, 255, 0.82); border: 2px solid var(--color-white); border-radius: 50%; font-size: 1.5rem; font-weight: 850; box-shadow: var(--shadow-sm); }
.tutor-profile h3 { margin-bottom: 0.3rem; }
.tutor-profile p { margin: 0; color: var(--color-blue-dark); font-size: 0.82rem; font-weight: 750; }
.instructor-biography { max-width: 61rem; margin: 2.25rem auto; color: var(--color-muted); }
.instructor-biography p { margin-bottom: 1rem; }
.instructor-biography p:last-child { margin-bottom: 0; }
.credential-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.credential-card { padding: 1.4rem 1.5rem; background: var(--color-sky); border: 1px solid #cee3ed; border-radius: var(--radius-md); }
.credential-card h3 { padding-bottom: 0.75rem; margin-bottom: 0.85rem; border-bottom: 1px solid #c5dce7; }
.credential-card ul { display: grid; gap: 0.55rem; padding: 0; margin: 0; list-style: none; }
.credential-card li { position: relative; padding-left: 1.25rem; color: var(--color-text); font-size: 0.9rem; line-height: 1.5; }
.credential-card li::before { position: absolute; top: 0.48em; left: 0; width: 0.48rem; height: 0.48rem; background: var(--color-teal); border-radius: 50%; content: ""; }
.instructor-closing { padding: 1.25rem 1.5rem; margin: 1.5rem 0 0; color: var(--color-navy); background: var(--color-teal-light); border-left: 4px solid var(--color-teal); border-radius: var(--radius-sm); font-weight: 650; }

.steps-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; padding: 0; margin: 0; list-style: none; counter-reset: steps; }
.steps-list li { position: relative; }
.steps-list li:not(:last-child)::after { position: absolute; top: 1.65rem; right: -0.75rem; width: calc(100% - 4.75rem); border-top: 2px dashed #b9dbe5; content: ""; transform: translateX(50%); }
.step-number { display: grid; position: relative; z-index: 1; width: 3.35rem; height: 3.35rem; margin-bottom: 1.25rem; place-items: center; color: var(--color-white); background: linear-gradient(135deg, var(--color-blue), var(--color-teal)); border-radius: 50%; font-size: 1.15rem; font-weight: 850; box-shadow: var(--shadow-sm); }
.steps-list p { margin-bottom: 0; color: var(--color-muted); font-size: 0.95rem; }

.faq-layout { display: grid; grid-template-columns: minmax(18rem, 0.72fr) minmax(0, 1.1fr); align-items: start; gap: clamp(3rem, 6vw, 5.5rem); }
.accordion { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.accordion-item + .accordion-item { border-top: 1px solid var(--color-border); }
.accordion-item h3 { margin: 0; font-size: 1.12rem; }
.accordion-trigger { display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 1.35rem 1.5rem; color: var(--color-navy); background: transparent; border: 0; border-radius: var(--radius-sm); font-weight: 750; text-align: left; cursor: pointer; }
.accordion-trigger:hover { color: var(--color-blue-dark); }
.accordion-icon { position: relative; flex: 0 0 auto; width: 1.15rem; height: 1.15rem; }
.accordion-icon::before, .accordion-icon::after { position: absolute; top: 50%; left: 0; width: 100%; height: 2px; background: var(--color-blue); border-radius: 2px; content: ""; transition: transform var(--transition); }
.accordion-icon::after { transform: rotate(90deg); }
.accordion-trigger[aria-expanded="true"] .accordion-icon::after { transform: rotate(0); }
.accordion-panel { padding: 0 3.9rem 1.35rem 1.5rem; }
.accordion-panel p { margin: 0; color: var(--color-muted); font-size: 1.02rem; line-height: 1.7; }

.contact-section { padding-top: var(--space-section); padding-bottom: var(--space-section); }
.contact-card { display: flex; align-items: center; justify-content: space-between; gap: 3rem; padding: clamp(2.5rem, 6vw, 4.5rem); color: rgba(255, 255, 255, 0.82); background: linear-gradient(125deg, var(--color-navy-deep), #0c4766); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.contact-card h2 { max-width: 15ch; color: var(--color-white); }
.contact-card p:not(.eyebrow) { max-width: 38rem; margin-bottom: 0; }
.eyebrow-light { color: #65ddd5; }
.contact-actions { flex: 0 0 auto; }
.button-light { color: var(--color-navy); background: var(--color-white); border-color: var(--color-white); box-shadow: none; }
.button-light:hover { color: var(--color-navy); background: var(--color-teal-light); border-color: var(--color-teal-light); }
.button-outline-light { color: var(--color-white); background: transparent; border-color: rgba(255, 255, 255, 0.5); box-shadow: none; }
.button-outline-light:hover { background: rgba(255, 255, 255, 0.1); border-color: var(--color-white); }

.site-footer { padding-top: 3.5rem; background: #f7fafc; border-top: 1px solid var(--color-border); }
.footer-main, .footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.footer-main { padding-bottom: 3rem; }
.footer-bottom { padding-block: 1.35rem; border-top: 1px solid var(--color-border); color: var(--color-muted); font-size: 0.82rem; }
.footer-bottom p { margin: 0; }
.footer-bottom ul { gap: 1.25rem; }
.footer-bottom a { color: var(--color-muted); font-size: inherit; }

/* Booking page */
.booking-page { background: #f7fafc; }
.booking-page [hidden] { display: none !important; }
.booking-hero { padding-block: clamp(3.5rem, 7vw, 5.5rem); background: radial-gradient(circle at 85% 15%, rgba(24, 166, 166, 0.13), transparent 24rem), linear-gradient(135deg, #f7fbfe, #ffffff); border-bottom: 1px solid var(--color-border); }
.booking-hero-inner { max-width: 57rem; text-align: center; }
.booking-hero h1 { max-width: none; margin-bottom: 1.15rem; font-size: clamp(2.6rem, 6vw, 4.3rem); }
.booking-hero-inner > p:not(.eyebrow) { max-width: 48rem; margin: 0 auto 2rem; color: var(--color-muted); font-size: clamp(1.08rem, 2vw, 1.25rem); }
.booking-facts { display: inline-flex; flex-wrap: wrap; justify-content: center; gap: 0.65rem; padding: 0; margin: 0; list-style: none; }
.booking-facts li { padding: 0.55rem 0.9rem; color: var(--color-navy); background: var(--color-white); border: 1px solid var(--color-border); border-radius: 999px; box-shadow: var(--shadow-sm); font-size: 0.88rem; font-weight: 750; }
.booking-facts li::before { margin-right: 0.45rem; color: var(--color-teal); content: "✓"; font-weight: 900; }
.booking-section { padding-block: clamp(3.5rem, 7vw, 6rem); }
.booking-container { max-width: 70rem; }
.booking-step { padding: clamp(1.5rem, 4vw, 2.5rem); background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); scroll-margin-top: 6.5rem; }
.booking-step + .booking-step, .booking-step + .booking-details-layout { margin-top: 2rem; }
.booking-step-heading { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.75rem; }
.booking-step-heading .eyebrow { margin-bottom: 0.35rem; }
.booking-step-heading h2 { margin-bottom: 0; font-size: clamp(1.65rem, 3vw, 2.25rem); }
.booking-step-heading p:last-child:not(.eyebrow) { margin: 0.45rem 0 0; color: var(--color-muted); font-size: 0.9rem; }
.booking-step-number { display: grid; width: 2.7rem; height: 2.7rem; flex: 0 0 auto; place-items: center; color: var(--color-white); background: linear-gradient(135deg, var(--color-blue), var(--color-teal)); border-radius: 50%; font-weight: 850; box-shadow: var(--shadow-sm); }
.booking-instructors { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.booking-instructor-card { display: grid; overflow: hidden; grid-template-columns: minmax(8.5rem, 0.72fr) 1.2fr; background: var(--color-white); border: 2px solid var(--color-border); border-radius: var(--radius-md); transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition); }
.booking-instructor-card:hover { border-color: #afd5e4; transform: translateY(-2px); }
.booking-instructor-card.is-selected { border-color: var(--color-blue); box-shadow: 0 0 0 3px rgba(22, 119, 200, 0.12), var(--shadow-md); }
.booking-instructor-photo { display: grid; min-height: 13rem; place-items: center; color: var(--color-blue-dark); background: linear-gradient(145deg, #d9eef7, var(--color-teal-light)); }
.booking-instructor-photo span { display: grid; width: 4.75rem; height: 4.75rem; place-items: center; background: rgba(255, 255, 255, 0.82); border: 2px solid var(--color-white); border-radius: 50%; font-size: 1.25rem; font-weight: 850; box-shadow: var(--shadow-sm); }
.booking-instructor-content { display: flex; align-items: flex-start; flex-direction: column; padding: 1.4rem; }
.booking-instructor-content h3 { margin-bottom: 0.55rem; }
.booking-instructor-content p { margin-bottom: 1rem; color: var(--color-muted); font-size: 0.88rem; line-height: 1.55; }
.booking-instructor-content .button { width: 100%; margin-top: auto; }
.booking-instructor-card.is-selected .button { color: var(--color-white); background: var(--color-blue); border-color: var(--color-blue); }
.booking-calendar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; gap: 1.5rem; }
.calendar-month { min-width: 0; padding: 1.25rem; background: #f8fbfd; border: 1px solid var(--color-border); border-radius: var(--radius-sm); }
.calendar-month h3 { margin-bottom: 1rem; text-align: center; }
.calendar-weekdays, .calendar-days { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 0.3rem; }
.calendar-weekdays { margin-bottom: 0.35rem; color: var(--color-muted); font-size: 0.67rem; font-weight: 800; text-align: center; text-transform: uppercase; }
.calendar-day, .calendar-empty { aspect-ratio: 1; }
.calendar-day { display: grid; width: 100%; min-width: 0; padding: 0; place-items: center; color: var(--color-navy); background: var(--color-white); border: 1px solid var(--color-border); border-radius: 0.55rem; font-size: 0.85rem; font-weight: 750; cursor: pointer; transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition); }
.calendar-day:not(:disabled):hover { color: var(--color-blue-dark); background: var(--color-teal-light); border-color: var(--color-teal); transform: translateY(-1px); }
.calendar-day.is-selected { color: var(--color-white); background: var(--color-blue); border-color: var(--color-blue); box-shadow: 0 5px 12px rgba(22, 119, 200, 0.24); }
.calendar-day:disabled { color: #9aafbc; background: #edf2f5; border-color: transparent; cursor: not-allowed; opacity: 0.6; }
.time-slots { display: flex; min-height: 3.5rem; align-items: center; flex-wrap: wrap; gap: 0.85rem; }
.time-slot { min-height: 3.5rem; padding: 0.8rem 1.3rem; color: var(--color-navy); background: var(--color-white); border: 2px solid var(--color-border); border-radius: var(--radius-sm); font-weight: 800; cursor: pointer; transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition); }
.time-slot:hover { border-color: var(--color-teal); transform: translateY(-2px); }
.time-slot.is-selected { color: var(--color-white); background: var(--color-blue); border-color: var(--color-blue); box-shadow: 0 7px 16px rgba(22, 119, 200, 0.22); }
.time-slot.is-unavailable { display: flex; align-items: flex-start; flex-direction: column; color: var(--color-muted); background: #edf2f5; border-color: var(--color-border); cursor: not-allowed; opacity: 0.78; }
.time-slot.is-unavailable:hover { border-color: var(--color-border); transform: none; }
.time-slot small { color: #6f8493; font-size: 0.67rem; font-weight: 750; }
.availability-loading { margin: 0; color: var(--color-muted); font-weight: 650; }
.retry-availability { min-height: 2.6rem; padding: 0.55rem 1rem; color: var(--color-blue-dark); background: var(--color-white); border: 1px solid var(--color-blue); border-radius: 999px; font-weight: 750; cursor: pointer; }
.retry-availability:hover { background: var(--color-sky); }
.booking-availability-message { margin: 1rem 0 0; color: var(--color-muted); }
.booking-details-layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(19rem, 0.75fr); align-items: start; gap: 2rem; scroll-margin-top: 6.5rem; }
.booking-form-card { min-width: 0; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.15rem; }
.form-field { display: flex; min-width: 0; flex-direction: column; gap: 0.4rem; }
.form-field-wide { grid-column: 1 / -1; }
.form-field label { color: var(--color-navy); font-size: 0.88rem; font-weight: 750; }
.form-field input, .form-field textarea { width: 100%; padding: 0.78rem 0.9rem; color: var(--color-navy); background: var(--color-white); border: 1px solid #b9ceda; border-radius: 0.65rem; font: inherit; font-size: 1rem; }
.form-field textarea { min-height: 8.5rem; resize: vertical; }
.form-field input:focus, .form-field textarea:focus { border-color: var(--color-blue); outline: 3px solid rgba(22, 119, 200, 0.16); }
.checkbox-field { display: flex; align-items: flex-start; gap: 0.65rem; margin-top: 1.25rem; color: var(--color-navy); font-weight: 700; cursor: pointer; }
.checkbox-field input { width: 1.15rem; height: 1.15rem; flex: 0 0 auto; margin-top: 0.28rem; accent-color: var(--color-blue); }
.longer-session-note { padding: 0.85rem 1rem; margin: 0.85rem 0 0; color: var(--color-navy); background: var(--color-teal-light); border-left: 3px solid var(--color-teal); border-radius: 0.45rem; font-size: 0.87rem; line-height: 1.55; }
.booking-summary { position: sticky; top: 6.5rem; padding: 1.75rem; background: var(--color-navy-deep); border-radius: var(--radius-md); box-shadow: var(--shadow-md); }
.booking-summary .eyebrow { color: #65ddd5; }
.booking-summary h2 { color: var(--color-white); font-size: 1.65rem; }
.booking-summary dl { margin: 1.4rem 0; }
.booking-summary dl > div { display: flex; justify-content: space-between; gap: 1rem; padding-block: 0.65rem; border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
.booking-summary dt { color: #aec4d4; font-size: 0.78rem; font-weight: 700; }
.booking-summary dd { margin: 0; color: var(--color-white); font-size: 0.83rem; font-weight: 750; text-align: right; }
.booking-summary .summary-price { padding-top: 1rem; border-bottom: 0; }
.booking-summary .summary-price dd { color: #65ddd5; font-size: 1.5rem; }
.checkout-button { width: 100%; font-size: 0.87rem; }
.checkout-button:disabled { color: #d1dde5; background: #526a7c; border-color: #526a7c; box-shadow: none; cursor: not-allowed; opacity: 0.72; transform: none; }
.checkout-button:disabled:hover { color: #d1dde5; background: #526a7c; border-color: #526a7c; box-shadow: none; transform: none; }
.checkout-note { margin: 0.9rem 0 0; color: #aec4d4; font-size: 0.7rem; line-height: 1.5; text-align: center; }
.checkout-status { margin: 0.9rem 0 0; color: #8ef0e8; font-size: 0.83rem; font-weight: 750; line-height: 1.5; text-align: center; }
.booking-footer { margin-top: 0; }
.footer-home-link { color: var(--color-blue-dark); font-weight: 750; text-decoration: none; }
.footer-home-link:hover { text-decoration: underline; }

/* Post-payment confirmation page */
.booking-success-page { background: #f7fafc; }
.confirmation-main { padding-block: clamp(3rem, 7vw, 5.5rem); background: radial-gradient(circle at 82% 12%, rgba(24, 166, 166, 0.12), transparent 23rem), linear-gradient(145deg, #f7fbfe, #ffffff); }
.confirmation-container { max-width: 54rem; }
.confirmation-card { padding: clamp(2rem, 6vw, 4rem); background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); text-align: center; }
.confirmation-check { display: grid; width: 5rem; height: 5rem; margin: 0 auto 1.5rem; place-items: center; color: var(--color-white); background: linear-gradient(135deg, var(--color-blue), var(--color-teal)); border: 6px solid var(--color-teal-light); border-radius: 50%; box-shadow: var(--shadow-sm); }
.confirmation-check svg { width: 2.5rem; height: 2.5rem; fill: none; stroke: currentColor; stroke-width: 2.3; stroke-linecap: round; stroke-linejoin: round; }
.confirmation-card h1 { max-width: 17ch; margin-inline: auto; font-size: clamp(2.2rem, 5vw, 3.5rem); }
.confirmation-card > p:not(.eyebrow) { max-width: 42rem; margin-inline: auto; color: var(--color-muted); }
.confirmation-card .confirmation-lead { color: var(--color-text); font-size: 1.18rem; font-weight: 650; }
.confirmation-next { padding: 1.6rem; margin-block: 2rem; background: var(--color-sky); border: 1px solid #cee3ed; border-radius: var(--radius-md); text-align: left; }
.confirmation-next h2 { margin-bottom: 1.25rem; font-size: 1rem; letter-spacing: 0.08em; text-transform: uppercase; }
.confirmation-next ol { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.9rem 1.5rem; padding: 0; margin: 0; list-style: none; }
.confirmation-next li { display: flex; align-items: center; gap: 0.75rem; }
.confirmation-next li > span { display: grid; width: 2rem; height: 2rem; flex: 0 0 auto; place-items: center; color: var(--color-white); background: var(--color-teal); border-radius: 50%; font-size: 0.75rem; font-weight: 850; }
.confirmation-next li p { margin: 0; color: var(--color-navy); font-size: 0.88rem; font-weight: 650; line-height: 1.45; }
.confirmation-card .confirmation-contact { padding-top: 1.25rem; border-top: 1px solid var(--color-border); font-size: 0.9rem; }
.confirmation-contact a { color: var(--color-blue-dark); font-weight: 750; }
.confirmation-actions { justify-content: center; margin-top: 1.75rem; }

@media (max-width: 36rem) {
  .confirmation-next ol { grid-template-columns: 1fr; }
  .confirmation-actions { width: 100%; flex-direction: column; }
  .confirmation-actions .button { width: 100%; }
}

@media (max-width: 64rem) {
  .booking-calendar { grid-template-columns: 1fr; }
  .booking-instructor-card { grid-template-columns: 1fr; }
  .booking-instructor-photo { min-height: 10rem; }
}

@media (max-width: 48rem) {
  .booking-instructors, .booking-details-layout { grid-template-columns: 1fr; }
  .booking-instructor-card { grid-template-columns: minmax(8rem, 0.65fr) 1fr; }
  .booking-summary { position: static; }
}

@media (max-width: 36rem) {
  .booking-facts { align-items: stretch; flex-direction: column; }
  .booking-step { padding: 1.25rem; }
  .booking-step-heading { gap: 0.75rem; }
  .booking-step-number { width: 2.35rem; height: 2.35rem; }
  .booking-instructor-card { grid-template-columns: 1fr; }
  .booking-instructor-photo { min-height: 9rem; }
  .calendar-month { padding: 0.75rem; }
  .calendar-weekdays, .calendar-days { gap: 0.2rem; }
  .calendar-day { border-radius: 0.4rem; font-size: 0.78rem; }
  .time-slot { width: 100%; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field-wide { grid-column: auto; }
}

@media (max-width: 64rem) {
  .menu-toggle { display: grid; }
  .primary-nav { position: absolute; visibility: hidden; top: 100%; right: 0; left: 0; max-height: 0; overflow: hidden; background: var(--color-white); border-bottom: 1px solid var(--color-border); opacity: 0; transition: max-height 250ms ease, opacity var(--transition), visibility var(--transition); }
  .primary-nav.is-open { visibility: visible; max-height: 32rem; opacity: 1; box-shadow: var(--shadow-md); }
  .primary-nav ul { width: min(calc(100% - 2.5rem), var(--container)); align-items: stretch; flex-direction: column; gap: 0; padding-block: 1rem 1.5rem; margin-inline: auto; }
  .primary-nav li { width: 100%; }
  .primary-nav a:not(.button) { display: block; padding: 0.7rem 0; }
  .primary-nav a:not(.button)::after { bottom: 0.4rem; width: 2.5rem; transform-origin: left; }
  .primary-nav .button { width: 100%; margin-top: 0.6rem; }
  .hero-grid { grid-template-columns: 1fr 0.75fr; gap: 3rem; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-list { grid-template-columns: repeat(2, 1fr); row-gap: 2.5rem; }
  .steps-list li::after { display: none; }
}

@media (max-width: 48rem) {
  .hero-grid, .faq-layout { grid-template-columns: 1fr; }
  .hero-content { text-align: center; }
  .hero-content h1, .hero-lead { margin-inline: auto; }
  .hero-content .button-group { justify-content: center; }
  .hero-pricing { justify-content: center; margin-inline: auto; text-align: left; }
  .hero-visual { min-height: 22rem; }
  .tutor-portraits, .credential-grid { grid-template-columns: 1fr; }
  .faq-layout { gap: 0; }
  .section-heading-left { text-align: center; }
  .contact-card { align-items: flex-start; flex-direction: column; }
  .footer-main, .footer-bottom { align-items: flex-start; flex-direction: column; }
  .footer-links { flex-wrap: wrap; }
  .services-cta { flex-direction: column; gap: 0.8rem; }
}

@media (max-width: 36rem) {
  .container { width: min(calc(100% - 1.5rem), var(--container)); }
  .site-header .brand { width: 14.5rem; height: 2.8rem; }
  .site-header .brand-logo { width: 23.5rem; }
  .footer-brand { width: min(100%, 18rem); height: 3.6rem; }
  .footer-brand .brand-logo { width: 27rem; }
  .services-grid, .steps-list { grid-template-columns: 1fr; }
  .hero { padding-top: 3.5rem; }
  .hero-visual { min-height: 23rem; padding: 3.5rem 1rem 3rem; }
  .training-window { width: min(94%, 22rem); }
  .lesson-screen { min-height: 14rem; grid-template-columns: 3rem 1fr; }
  .lesson-content { padding: 1rem; }
  .learning-card-one { top: 0.8rem; left: 0.7rem; }
  .learning-card-pace { right: 0.7rem; bottom: 0.8rem; }
  .language-pill { top: 0.9rem; right: 0.7rem; }
  .language-pill strong { display: none; }
  .button-group, .contact-actions { width: 100%; flex-direction: column; }
  .button-group .button { width: 100%; }
  .hero-pricing { align-items: flex-start; flex-direction: column; gap: 0.65rem; text-align: center; }
  .hero-pricing > strong, .hero-pricing p { width: 100%; }
  .tutor-photo { min-height: 11rem; }
  .footer-links { align-items: flex-start; flex-direction: column; gap: 0.7rem; }
  .footer-bottom ul { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}