:root {
  --ink: #173b57;
  --ink-2: #244f67;
  --teal: #087e8b;
  --teal-dark: #075f68;
  --mint: #dff2eb;
  --cream: #fbf8ee;
  --sun: #f0b429;
  --coral: #d9604c;
  --green: #3b7a57;
  --white: #fff;
  --paper: #fffdfa;
  --line: #d8e3e0;
  --muted: #5c6f78;
  --shadow: 0 18px 60px rgba(23, 59, 87, .12);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 94px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font: 16px/1.65 "DM Sans", sans-serif;
}
button, input, select { font: inherit; }
a { color: inherit; }
.skip-link {
  position: fixed; left: 1rem; top: -5rem; z-index: 100;
  background: var(--ink); color: white; padding: .75rem 1rem; border-radius: 8px;
}
.skip-link:focus { top: 1rem; }

.site-header {
  height: 82px; position: sticky; top: 0; z-index: 40;
  display: grid; grid-template-columns: 270px 1fr auto; align-items: center; gap: 2rem;
  padding: 0 2rem; background: rgba(255, 253, 250, .94);
  border-bottom: 1px solid rgba(23,59,87,.1); backdrop-filter: blur(16px);
}
.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; line-height: 1.15; }
.brand-mark {
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%;
  background: var(--sun); color: var(--ink); font: 700 1.4rem "Fraunces", serif;
}
.brand strong, .brand small { display: block; }
.brand small { color: var(--muted); font-size: .75rem; margin-top: .2rem; }
.header-progress { max-width: 480px; width: 100%; justify-self: center; }
.header-progress > span { display: block; font-size: .75rem; font-weight: 700; margin-bottom: .35rem; }
.progress-track { height: 7px; background: #e7ece9; border-radius: 99px; overflow: hidden; }
.progress-track span { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--teal), var(--green)); transition: width .35s ease; }
.menu-button { display: none; }

.page-shell { display: grid; grid-template-columns: 270px minmax(0, 1fr); }
.course-sidebar {
  position: sticky; top: 82px; align-self: start; height: calc(100vh - 82px); overflow: auto;
  padding: 2rem 1.3rem; background: var(--ink); color: white;
}
.sidebar-intro { padding: 0 .6rem 1.3rem; border-bottom: 1px solid rgba(255,255,255,.15); }
.eyebrow { display: block; color: var(--teal); font-size: .75rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.course-sidebar .eyebrow { color: #77ddd0; }
.sidebar-intro p { margin: .35rem 0 0; color: #c7d7de; font-size: .85rem; line-height: 1.45; }
.course-sidebar nav { display: grid; gap: .25rem; margin-top: 1.2rem; }
.nav-link {
  display: flex; align-items: center; gap: .75rem; min-height: 44px; padding: .65rem .7rem;
  color: #d7e3e8; text-decoration: none; border-radius: 12px; font-size: .88rem; font-weight: 600;
}
.nav-link span { display: grid; place-items: center; min-width: 26px; height: 26px; border-radius: 8px; background: rgba(255,255,255,.08); font-size: .68rem; }
.nav-link:hover, .nav-link:focus-visible, .nav-link.active { color: white; background: rgba(255,255,255,.1); }
.nav-link.complete span { background: var(--green); color: white; }
.nav-final { margin-top: .6rem; border-top: 1px solid rgba(255,255,255,.12); padding-top: .9rem; }
.nav-payment { margin-top: .6rem; border-top: 1px solid rgba(255,255,255,.12); padding-top: .9rem; }
.nav-payment + .nav-final { margin-top: 0; border-top: 0; padding-top: .65rem; }
.sidebar-help { margin: 2rem .5rem 0; padding: 1rem; background: rgba(255,255,255,.08); border-radius: 14px; font-size: .8rem; }
.sidebar-help p { color: #c7d7de; line-height: 1.45; margin: .25rem 0 0; }

main { min-width: 0; }
.course-section { max-width: 1100px; min-height: 80vh; margin: 0 auto; padding: 5rem 5vw; border-bottom: 1px solid var(--line); }
.hero-section {
  max-width: none; min-height: calc(100vh - 82px); display: grid; grid-template-columns: 1.05fr .95fr;
  gap: 3rem; align-items: center; padding-top: 4rem; background: radial-gradient(circle at 85% 20%, #fff4c9 0, transparent 32%);
}
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: "Fraunces", serif; line-height: 1.07; letter-spacing: -.025em; }
h1 { max-width: 720px; margin: .6rem 0 1.3rem; font-size: clamp(3rem, 6vw, 6rem); }
h1 em { color: var(--teal); font-style: normal; }
.hero-lead, .lesson-lead { color: var(--ink-2); font-size: 1.15rem; line-height: 1.65; }
.hero-lead { max-width: 700px; }
.welcome-note {
  display: grid; grid-template-columns: auto 1fr; gap: .8rem; align-items: start;
  max-width: 700px; margin: 1.4rem 0 0; padding: 1rem 1.1rem;
  border: 1px solid #bfe0d4; border-radius: 15px; background: rgba(223,242,235,.7);
}
.welcome-note > span { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; color: white; background: var(--green); font-size: .8rem; font-weight: 900; }
.welcome-note p { margin: 0; color: var(--ink-2); font-size: .88rem; line-height: 1.5; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin: 2rem 0; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: .65rem;
  min-height: 48px; padding: .78rem 1.25rem; border: 0; border-radius: 12px;
  text-decoration: none; font-weight: 800; cursor: pointer; transition: transform .15s ease, box-shadow .15s ease;
}
.button:hover { transform: translateY(-2px); }
.button:focus-visible, input:focus-visible, select:focus-visible, a:focus-visible { outline: 3px solid var(--sun); outline-offset: 3px; }
.button-primary { color: white; background: var(--teal); box-shadow: 0 8px 24px rgba(8,126,139,.2); }
.button-primary:hover { background: var(--teal-dark); }
.button-quiet { color: var(--ink); background: transparent; border: 1px solid var(--line); }
.button-small { min-height: 40px; padding: .55rem .9rem; color: white; background: var(--ink); font-size: .88rem; }
.course-facts { display: flex; gap: 2.2rem; padding: 0; margin: 2.6rem 0 0; list-style: none; }
.course-facts li { display: grid; }
.course-facts strong { color: var(--teal); font: 700 1.4rem "Fraunces", serif; }
.course-facts span { color: var(--muted); font-size: .78rem; }
.hero-art { position: relative; min-height: 620px; align-self: stretch; overflow: hidden; border-radius: 32px; background: #dff2eb; box-shadow: var(--shadow); }
.hero-art > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 48%; }
.photo-shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,38,53,.08) 45%, rgba(11,38,53,.62) 100%); }
.art-badge { position: absolute; left: 1.5rem; top: 1.5rem; padding: .9rem 1.1rem; background: rgba(255,255,255,.93); border-radius: 14px; box-shadow: var(--shadow); }
.art-badge span, .art-badge strong { display: block; }
.art-badge span { font-size: .8rem; color: var(--muted); }
.photo-caption { position: absolute; left: 1.5rem; right: 1.5rem; bottom: 1.35rem; display: flex; justify-content: space-between; align-items: end; gap: 1rem; color: white; }
.photo-caption span { font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; }
.photo-caption strong { font: 700 1.25rem "Fraunces", serif; }

.lesson-header { display: flex; align-items: center; gap: 1.2rem; margin-bottom: 1.4rem; }
.lesson-number { display: grid; place-items: center; flex: 0 0 64px; height: 64px; border-radius: 20px; background: var(--mint); color: var(--teal); font: 700 1.45rem "Fraunces", serif; }
.lesson-header h2, .sources-section h2 { margin: .25rem 0 0; font-size: clamp(2.3rem, 5vw, 4rem); }
.lesson-lead { max-width: 850px; margin-bottom: 2rem; }
.lesson-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.content-card, .compare-grid article, .road-rules article, .etiquette-grid article {
  padding: 1.4rem; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
}
.content-card h3, .compare-grid h3, .road-rules h3, .etiquette-grid h3 { margin-bottom: .45rem; color: var(--ink); font-size: 1.03rem; }
.content-card p, .compare-grid p, .road-rules p, .etiquette-grid p { color: var(--muted); font-size: .92rem; line-height: 1.55; margin: 0; }
.card-icon { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 1rem; border-radius: 13px; background: var(--mint); color: var(--teal); font-size: 1.25rem; }
.takeaway, .notice, .disclaimer { margin: 1.5rem 0; padding: 1rem 1.2rem; border-left: 4px solid var(--sun); background: #fff6d9; border-radius: 0 14px 14px 0; }
.knowledge-check { margin-top: 2rem; padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: white; box-shadow: 0 8px 30px rgba(23,59,87,.06); }
.knowledge-check h3 { margin-bottom: .8rem; }
fieldset { display: grid; gap: .55rem; margin: 0 0 1rem; padding: 0; border: 0; }
legend { margin-bottom: .65rem; font-weight: 700; }
fieldset label { display: flex; align-items: flex-start; gap: .55rem; padding: .65rem .75rem; border-radius: 10px; background: #f6f8f7; cursor: pointer; }
input[type="radio"], input[type="checkbox"] { accent-color: var(--teal); width: 1.1rem; height: 1.1rem; margin-top: .18rem; flex: 0 0 auto; }
.feedback { min-height: 1.5rem; margin: .8rem 0 0; font-weight: 700; }
.feedback.correct { color: var(--green); }
.feedback.incorrect { color: var(--coral); }
.next-link { display: flex; justify-content: space-between; align-items: center; margin-top: 1.5rem; padding: 1rem 1.2rem; color: white; background: var(--ink); border-radius: 14px; text-decoration: none; font-weight: 800; }

.definition-feature { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center; padding: 1.6rem; background: var(--ink); color: white; border-radius: var(--radius); }
.definition-feature h3 { margin: .65rem 0 .5rem; font: 700 1.8rem "Fraunces", serif; }
.definition-feature p { margin: 0; color: #dce7eb; }
.definition-stat { display: grid; grid-template-columns: auto auto; gap: .25rem 1rem; padding-left: 1.5rem; border-left: 1px solid rgba(255,255,255,.25); }
.definition-stat strong { color: var(--sun); font: 700 1.5rem "Fraunces", serif; }
.definition-stat span { align-self: center; color: #dce7eb; font-size: .8rem; }
.status-tag { display: inline-block; padding: .25rem .55rem; border-radius: 99px; font-size: .66rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.status-tag.law { color: #075b3c; background: #ccebdc; }
.status-tag.pending { color: #785400; background: #ffe5a3; }
.status-tag.town { color: #064f57; background: #c9efeb; }
.compare-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin: 1rem 0; }
.notice p { margin: .6rem 0 0; }
.notice-pending { background: #fff6d9; }
.inspection-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; padding: 0; list-style: none; counter-reset: none; }
.inspection-list li, .family-path article { display: flex; gap: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); }
.inspection-list li > span, .family-path article > span { display: grid; place-items: center; flex: 0 0 36px; height: 36px; border-radius: 50%; color: white; background: var(--teal); font-weight: 800; }
.inspection-list h3, .family-path h3 { margin: 0 0 .25rem; font-size: 1rem; }
.inspection-list p, .family-path p { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.5; }
.road-rules { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.road-rules article { padding: 0; overflow: hidden; }
.road-rules article > img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.road-rule-copy { padding: 1.15rem 1.3rem 1.35rem; }
.road-rule-copy > span { color: var(--sun); font: 700 1.4rem "Fraunces", serif; }
.warning-feature { display: grid; grid-template-columns: auto 1fr; gap: 1.2rem; padding: 1.5rem; border-radius: var(--radius); background: #fff1e7; border: 1px solid #ffd4bd; }
.warning-icon { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; color: white; background: var(--coral); font: 700 1.8rem "Fraunces", serif; }
.warning-feature h3 { margin: .55rem 0; font-size: 1.25rem; }
.warning-feature p { margin-bottom: .5rem; }
.etiquette-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 1rem; }
.etiquette-grid article > span { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: .8rem; border-radius: 50%; color: white; background: var(--green); font-weight: 800; }
.family-path { display: grid; gap: .75rem; }
.community-promise { margin: 1.5rem 0; padding: 1.5rem; text-align: center; border-radius: var(--radius); background: var(--mint); }
.community-promise blockquote { max-width: 760px; margin: .6rem auto; color: var(--ink); font: 700 1.5rem/1.3 "Fraunces", serif; }
.community-promise p { margin: 0 auto; max-width: 700px; color: var(--muted); }

.payment-section { max-width: 960px; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; align-items: stretch; }
.pricing-card {
  position: relative; display: flex; flex-direction: column; padding: 1.5rem;
  border: 1px solid var(--line); border-radius: 22px; background: white; box-shadow: 0 10px 34px rgba(23,59,87,.08);
}
.pricing-card.featured { color: white; background: var(--ink); border-color: var(--ink); transform: translateY(-8px); }
.pricing-label { color: var(--teal); font-size: .7rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.featured .pricing-label { color: #77ddd0; }
.pricing-card h3 { min-height: 3.2rem; margin: .45rem 0 .25rem; font: 700 1.35rem/1.2 "Fraunces", serif; }
.course-price { color: var(--teal); font: 700 3.5rem/1 "Fraunces", serif; }
.course-price sup { font-size: 1.2rem; vertical-align: top; }
.featured .course-price { color: var(--sun); }
.pricing-card p { min-height: 6.5rem; margin: .75rem 0; color: var(--muted); font-size: .85rem; line-height: 1.5; }
.featured p { color: #d7e3e8; }
.pricing-card ul { flex: 1; margin: .5rem 0 1.2rem; padding-left: 1.1rem; font-size: .82rem; }
.pricing-card li { margin: .35rem 0; }
.pricing-card .button { width: 100%; min-height: 54px; padding: .7rem; font-size: .78rem; line-height: 1.25; }
.featured .button { color: var(--ink); background: var(--sun); box-shadow: none; }
.save-badge { position: absolute; right: 1rem; top: 1rem; padding: .25rem .55rem; border-radius: 99px; color: var(--ink); background: var(--sun); font-size: .7rem; font-weight: 900; }
.secure-payment-note { margin: 1rem auto 0; max-width: 680px; text-align: center; color: var(--muted); font-size: .76rem; }
.payment-status { min-height: 0; margin-top: 1rem; border-radius: 14px; font-weight: 700; }
.payment-status.loading, .payment-status.success, .payment-status.error { min-height: auto; padding: 1rem; }
.payment-status.loading { color: var(--ink); background: #eef3f4; }
.payment-status.success { color: #075b3c; background: #d9f2e6; }
.payment-status.error { color: #7b3024; background: #ffe2da; }
.payment-help { text-align: center; color: var(--muted); font-size: .86rem; margin-top: 1rem; }
.payment-help a { color: var(--teal); font-weight: 800; }
.quiz-locked { padding: 3rem 1.5rem; text-align: center; border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.quiz-locked > span { display: block; font-size: 2rem; margin-bottom: .5rem; }
.quiz-locked h3 { margin-bottom: .35rem; font: 700 1.7rem "Fraunces", serif; }
.quiz-locked p { color: var(--muted); }

.schedule-section { max-width: 980px; }
.schedule-locked { padding: 3rem 1.5rem; text-align: center; border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.schedule-locked > span { display: grid; place-items: center; width: 72px; height: 72px; margin: 0 auto 1rem; border-radius: 50%; color: var(--sun); background: var(--ink); font-weight: 900; }
.schedule-locked h3 { margin-bottom: .35rem; font: 700 1.7rem "Fraunces", serif; }
.schedule-locked p { color: var(--muted); }
.schedule-summary { display: flex; justify-content: space-between; gap: 1rem; align-items: center; margin-bottom: 1rem; padding: 1rem 1.2rem; border-radius: 16px; background: var(--mint); }
.schedule-summary span { color: var(--ink-2); font-size: .9rem; }
.class-calendar { display: grid; grid-template-columns: repeat(2, 1fr); gap: .85rem; }
.class-date-card {
  display: grid; grid-template-columns: 1fr auto; gap: .75rem; align-items: center; width: 100%;
  min-height: 106px; padding: 1rem; text-align: left; color: var(--ink); background: white;
  border: 1px solid var(--line); border-radius: 16px; cursor: pointer; box-shadow: 0 8px 28px rgba(23,59,87,.06);
}
.class-date-card:hover:not(:disabled), .class-date-card.selected { border-color: var(--teal); box-shadow: 0 10px 34px rgba(8,126,139,.14); transform: none; }
.class-date-card:disabled { cursor: not-allowed; opacity: .58; }
.class-date-card strong { display: block; font: 700 1.2rem "Fraunces", serif; }
.class-date-card small { color: var(--muted); }
.seat-count { display: grid; place-items: center; min-width: 82px; min-height: 54px; padding: .45rem .65rem; border-radius: 12px; color: var(--ink); background: #f6f8f7; font-weight: 800; }
.class-date-card.full .seat-count { color: white; background: var(--coral); }
.road-schedule-form { margin-top: 1rem; padding: 1rem; background: white; border: 1px solid var(--line); border-radius: var(--radius); }
.schedule-notes { display: grid; gap: .35rem; margin: 1rem 0; font-weight: 700; font-size: .85rem; }
textarea { width: 100%; min-height: 110px; resize: vertical; padding: .75rem; color: var(--ink); background: white; border: 1px solid #b8c8c5; border-radius: 10px; font: inherit; }
.nav-schedule.complete span { background: var(--green); color: white; }

.quiz-section { max-width: 900px; }
.quiz-identity { display: grid; grid-template-columns: 2fr 1fr; gap: 1rem; margin: 1.5rem 0; padding: 1rem; background: var(--mint); border-radius: 16px; }
.quiz-identity label, .guardian-box > label:not(.check-label) { display: grid; gap: .35rem; font-weight: 700; font-size: .85rem; }
input[type="text"], input[type="email"], input:not([type]), select {
  width: 100%; min-height: 46px; padding: .7rem .75rem; color: var(--ink); background: white; border: 1px solid #b8c8c5; border-radius: 10px;
}
.quiz-question { margin: 1rem 0; padding: 1.2rem; background: white; border: 1px solid var(--line); border-radius: 16px; }
.quiz-question legend { font-size: 1rem; }
.quiz-number { color: var(--teal); font-weight: 800; }
.guardian-box { margin: 1.5rem 0; padding: 1.2rem; border-radius: 16px; background: #fff6d9; }
.guardian-box h3 { margin-bottom: .3rem; }
.check-label { display: flex; gap: .6rem; margin-top: 1rem; font-size: .9rem; line-height: 1.5; cursor: pointer; }
.submit-quiz { margin-top: .5rem; }
.quiz-result { margin-top: 1rem; padding: 0; border-radius: 14px; font-weight: 700; }
.quiz-result.pass, .quiz-result.fail { padding: 1rem; }
.quiz-result.pass { color: #075b3c; background: #d9f2e6; }
.quiz-result.fail { color: #7b3024; background: #ffe2da; }
.certificate-section { max-width: 920px; text-align: center; }
.certificate-locked { padding: 4rem 1rem; }
.certificate-locked > span { display: grid; place-items: center; width: 80px; height: 80px; margin: 0 auto 1rem; border-radius: 50%; color: var(--sun); background: var(--ink); font-size: 2rem; }
.certificate-locked h2 { font-size: 2.6rem; margin-bottom: .5rem; }
.certificate-card { padding-top: 1rem; }
.certificate-border { padding: 4rem; background: white; border: 12px double var(--ink); box-shadow: var(--shadow); }
.certificate-kicker { color: var(--teal); font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.certificate-border h2 { margin: .6rem 0 1.5rem; font-size: 3rem; }
.certificate-border > strong { display: block; margin: .5rem auto; padding-bottom: .5rem; max-width: 600px; border-bottom: 2px solid var(--sun); font: 700 2rem "Fraunces", serif; }
.certificate-border h3 { color: var(--teal); font: 700 1.5rem "Fraunces", serif; }
.certificate-meta { display: flex; justify-content: center; gap: 4rem; margin-top: 2rem; }
.certificate-meta span { display: grid; min-width: 160px; padding-top: .6rem; border-top: 1px solid var(--ink); }
.certificate-meta small { color: var(--muted); }
.certificate-motto { margin-top: 2.5rem; color: var(--green); font-weight: 800; }
.print-certificate { margin-top: 1.5rem; }

.sources-section { min-height: auto; padding-bottom: 3rem; }
.source-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: .7rem; margin: 1.5rem 0; }
.source-list a { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem; background: white; border: 1px solid var(--line); border-radius: 12px; text-decoration: none; }
.source-list a:hover { border-color: var(--teal); }
.source-list span { color: var(--muted); font-size: .85rem; }
.source-list strong { color: var(--teal); }
.disclaimer { background: #f1f4f3; border-color: var(--muted); font-size: .88rem; }
.site-footer { display: flex; justify-content: space-between; gap: 1rem; padding: 2rem max(5vw, 2rem); color: white; background: #0e2d42; }
.site-footer p { margin: 0; }
.site-footer a { color: #77ddd0; }
.toast { position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 100; transform: translateY(140%); padding: .85rem 1.1rem; color: white; background: var(--ink); border-radius: 12px; box-shadow: var(--shadow); transition: transform .25s ease; }
.toast.show { transform: translateY(0); }
[hidden] { display: none !important; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; padding: 0 1rem; }
  .header-progress { display: none; }
  .menu-button { display: inline-flex; padding: .55rem .7rem; border: 1px solid var(--line); border-radius: 10px; color: var(--ink); background: white; font-weight: 700; }
  .page-shell { display: block; }
  .course-sidebar { position: fixed; inset: 82px 0 auto auto; z-index: 35; width: min(330px, 88vw); height: calc(100vh - 82px); transform: translateX(105%); transition: transform .25s ease; box-shadow: var(--shadow); }
  .course-sidebar.open { transform: translateX(0); }
  .hero-section { grid-template-columns: 1fr; }
  .hero-art { min-height: 430px; }
  .lesson-grid, .road-rules { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  html { scroll-padding-top: 74px; }
  .site-header { height: 70px; gap: .5rem; }
  .brand strong { font-size: .98rem; }
  .brand small { display: none; }
  .menu-button { padding: .45rem .55rem; font-size: .78rem; white-space: nowrap; }
  .course-sidebar { top: 70px; height: calc(100vh - 70px); }
  .course-section { min-height: auto; padding: 3.3rem 1rem; }
  .hero-section { min-height: auto; padding-top: 3rem; }
  h1 { font-size: clamp(2.7rem, 13vw, 3.5rem); overflow-wrap: anywhere; }
  .hero-art { min-height: 330px; }
  .hero-art > img { object-position: center 42%; }
  .photo-caption { left: 1rem; right: 1rem; bottom: 1rem; }
  .course-facts { gap: 1.2rem; justify-content: space-between; }
  .lesson-header { align-items: flex-start; }
  .lesson-number { flex-basis: 48px; height: 48px; border-radius: 14px; font-size: 1rem; }
  .lesson-header h2, .sources-section h2 { font-size: 2.3rem; }
  .lesson-grid, .compare-grid, .inspection-list, .road-rules, .etiquette-grid, .source-list, .quiz-identity, .class-calendar { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card.featured { transform: none; }
  .pricing-card h3, .pricing-card p { min-height: 0; }
  .definition-feature { grid-template-columns: 1fr; }
  .definition-stat { padding: 1rem 0 0; border: 0; border-top: 1px solid rgba(255,255,255,.25); }
  .warning-feature { grid-template-columns: 1fr; }
  .certificate-border { padding: 2rem 1rem; }
  .certificate-border h2 { font-size: 2.2rem; }
  .certificate-meta { gap: 1rem; flex-direction: column; align-items: center; }
  .schedule-summary { display: grid; }
  .site-footer { flex-direction: column; }
}

@media print {
  body * { visibility: hidden !important; }
  #certificateCard, #certificateCard * { visibility: visible !important; }
  #certificateCard { position: absolute; inset: 0; width: 100%; padding: 0; background: white; }
  .certificate-border { min-height: 10in; display: flex; flex-direction: column; justify-content: center; box-shadow: none; }
  .print-certificate { display: none !important; }
  @page { size: letter portrait; margin: .45in; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}