:root {
  --rscv-violet: #3b3a64;
  --rscv-violet-dark: #2d2c51;
  --rscv-orange: #f1642b;
  --rscv-orange-dark: #d94d17;
  --rscv-mint: #daf2e6;
  --rscv-cyan: #48bad0;
  --rscv-ink: #09202c;
  --rscv-muted: #6c6b7c;
  --rscv-line: #dedde3;
  --rscv-ivory: #faf7f7;
  --rscv-paper: #fffdfc;
  --rscv-success: #2d7655;
  --rscv-danger: #a33b34;
  --rscv-shadow: 0 18px 48px rgba(59, 58, 100, 0.10);
}

.rscv-courses { color: var(--rscv-violet); background: var(--rscv-paper); font-family: Inter, Helvetica, sans-serif; font-size: 17px; line-height: 1.72; }
.rscv-courses *, .rscv-courses *::before, .rscv-courses *::after { box-sizing: border-box; }
.rscv-courses h1, .rscv-courses h2, .rscv-courses h3 { color: var(--rscv-violet); font-family: "Gentium Book Plus", Georgia, serif; font-weight: 400; letter-spacing: -0.02em; margin: 0; }
.rscv-courses h1 { font-size: clamp(44px, 6vw, 72px); line-height: 0.98; }
.rscv-courses h2 { font-size: clamp(32px, 4vw, 46px); line-height: 1.08; }
.rscv-courses h3 { font-size: 31px; line-height: 1.12; }
.rscv-course-shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.rscv-eyebrow, .rscv-kicker { color: var(--rscv-orange-dark); font-size: 12px; font-weight: 700; letter-spacing: .13em; line-height: 1.3; margin: 0 0 12px; text-transform: uppercase; }
.rscv-lead { max-width: 760px; font-size: clamp(18px, 2vw, 22px); line-height: 1.55; }
.rscv-small { color: var(--rscv-muted); font-size: 14px; line-height: 1.5; }
.rscv-course-hero { background: linear-gradient(90deg, var(--rscv-ivory) 0 66%, var(--rscv-mint) 66% 100%); padding: 72px 0 80px; }
.rscv-course-hero--catalog { background: var(--rscv-mint); padding: 88px 0; }
.rscv-course-hero--catalog h1 { max-width: 900px; }
.rscv-course-hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 72px; align-items: center; margin-top: 48px; }
.rscv-breadcrumbs { display: flex; flex-wrap: wrap; gap: 10px; font-size: 14px; }
.rscv-breadcrumbs a, .rscv-text-link { color: var(--rscv-violet); font-weight: 700; text-underline-offset: 4px; }
.rscv-proof-row, .rscv-course-meta { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 28px; color: var(--rscv-muted); font-size: 14px; font-weight: 600; }
.rscv-proof-row span::before, .rscv-course-meta span::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--rscv-orange); vertical-align: 1px; }
.rscv-enroll-panel { background: var(--rscv-paper); border: 1px solid rgba(59,58,100,.12); border-radius: 10px; box-shadow: var(--rscv-shadow); display: flex; flex-direction: column; gap: 18px; padding: 30px; }
.rscv-enroll-form, .rscv-enroll-form .rscv-button { width: 100%; }
.rscv-progress-number { display: flex; align-items: baseline; gap: 10px; }
.rscv-progress-number strong { font-family: "Gentium Book Plus", Georgia, serif; font-size: 48px; font-weight: 400; line-height: 1; }
.rscv-progress-number span { color: var(--rscv-muted); font-size: 14px; }
.rscv-progress-track { overflow: hidden; width: 100%; height: 7px; background: #e8e7ec; border-radius: 999px; }
.rscv-progress-track > span { display: block; height: 100%; background: var(--rscv-orange); border-radius: inherit; transition: width .25s ease; }
.rscv-button { align-items: center; border: 1px solid transparent; border-radius: 4px; cursor: pointer; display: inline-flex; justify-content: center; min-height: 48px; padding: 12px 22px; font: 700 15px/1.2 Inter, Helvetica, sans-serif; text-decoration: none !important; transition: background-color .18s ease, border-color .18s ease, transform .18s ease; }
.rscv-button:hover { transform: translateY(-1px); }
.rscv-button:focus-visible, .rscv-save-note:focus-visible, .rscv-outline-toggle:focus-visible { outline: 3px solid rgba(72,186,208,.45); outline-offset: 3px; }
.rscv-button--primary { color: #fff !important; background: var(--rscv-violet); }
.rscv-button--primary:hover { background: var(--rscv-violet-dark); }
.rscv-button--secondary { color: #fff !important; background: var(--rscv-orange); }
.rscv-button--secondary:hover { background: var(--rscv-orange-dark); }
.rscv-button:disabled { cursor: not-allowed; opacity: .48; transform: none; }
.rscv-catalog-section, .rscv-course-overview { padding-top: 88px; padding-bottom: 104px; }
.rscv-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 38px; }
.rscv-section-heading > p { max-width: 430px; margin: 0; color: var(--rscv-muted); }
.rscv-course-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 24px; }
.rscv-course-card { display: grid; grid-template-columns: 64px 1fr; gap: 24px; padding: 32px; border: 1px solid var(--rscv-line); border-radius: 8px; background: #fff; }
.rscv-course-card__mark { width: 64px; height: 64px; display: grid; place-items: center; background: var(--rscv-mint); border-radius: 4px; color: var(--rscv-violet); font-family: "Gentium Book Plus", Georgia, serif; font-size: 36px; }
.rscv-course-card__content > p:not(.rscv-kicker) { color: var(--rscv-muted); }
.rscv-course-card h3 a { color: inherit; text-decoration: none; }
.rscv-course-card .rscv-button, .rscv-card-progress { grid-column: 1 / -1; }
.rscv-card-progress { font-size: 13px; font-weight: 700; }
.rscv-course-overview { display: grid; grid-template-columns: 1.4fr .8fr; gap: 88px; align-items: start; }
.rscv-outcomes { position: sticky; top: 32px; }
.rscv-check-list { display: grid; gap: 18px; margin: 28px 0 0; padding: 0; list-style: none; }
.rscv-check-list li { position: relative; padding-left: 32px; }
.rscv-check-list li::before { content: "✓"; position: absolute; left: 0; top: 1px; color: var(--rscv-success); font-weight: 800; }
.rscv-module-list { display: grid; gap: 12px; }
.rscv-module { border: 1px solid var(--rscv-line); border-radius: 7px; background: #fff; }
.rscv-module summary { cursor: pointer; display: grid; grid-template-columns: 48px 1fr auto; gap: 18px; align-items: center; padding: 22px; }
.rscv-module summary::-webkit-details-marker { display: none; }
.rscv-module summary small { display: block; color: var(--rscv-muted); font-size: 14px; font-weight: 400; line-height: 1.5; margin-top: 3px; }
.rscv-module-number { color: var(--rscv-orange-dark); font: 700 13px Inter, sans-serif; letter-spacing: .08em; }
.rscv-module-count { color: var(--rscv-muted); font-size: 13px; }
.rscv-module ol { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--rscv-line); }
.rscv-module li + li { border-top: 1px solid #eeedf0; }
.rscv-module li a { display: flex; justify-content: space-between; gap: 24px; padding: 16px 22px 16px 88px; color: var(--rscv-violet); text-decoration: none; }
.rscv-module li a:hover { background: var(--rscv-ivory); }
.rscv-module li small { color: var(--rscv-muted); white-space: nowrap; }
.rscv-module li.is-complete small { color: var(--rscv-success); }

.rscv-lesson-app { background: #f8f7f8; min-height: 80vh; }
.rscv-lesson-topbar { position: sticky; top: 0; z-index: 20; display: grid; grid-template-columns: 280px 1fr auto; gap: 32px; align-items: center; min-height: 64px; padding: 10px 24px; background: var(--rscv-violet); color: #fff; }
.rscv-lesson-course-link { color: #fff !important; font-weight: 700; text-decoration: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rscv-lesson-topbar__progress { display: flex; align-items: center; gap: 14px; justify-content: flex-end; font-size: 12px; }
.rscv-lesson-topbar__progress .rscv-progress-track { max-width: 180px; background: rgba(255,255,255,.2); }
.rscv-outline-toggle { display: none; border: 1px solid rgba(255,255,255,.35); border-radius: 4px; padding: 8px 12px; background: transparent; color: #fff; font-weight: 700; }
.rscv-lesson-layout { display: grid; grid-template-columns: 286px minmax(0, 900px); justify-content: center; align-items: start; }
.rscv-outline { position: sticky; top: 64px; overflow-y: auto; height: calc(100vh - 64px); padding: 30px 22px 60px; border-right: 1px solid var(--rscv-line); background: #fff; }
.rscv-outline details + details { margin-top: 12px; }
.rscv-outline summary { cursor: pointer; display: grid; grid-template-columns: 28px 1fr; gap: 8px; color: var(--rscv-violet); font-size: 13px; font-weight: 700; line-height: 1.35; }
.rscv-outline summary span { color: var(--rscv-orange-dark); font-size: 11px; letter-spacing: .08em; }
.rscv-outline ol { display: grid; gap: 4px; margin: 10px 0 0; padding: 0; list-style: none; }
.rscv-outline li a { display: grid; grid-template-columns: 12px 1fr; gap: 9px; padding: 8px 8px; border-radius: 4px; color: var(--rscv-muted); font-size: 13px; line-height: 1.35; text-decoration: none; }
.rscv-outline li a:hover, .rscv-outline li.is-current a { background: var(--rscv-ivory); color: var(--rscv-violet); }
.rscv-status-dot { width: 9px; height: 9px; margin-top: 4px; border: 1px solid #aba9b6; border-radius: 50%; }
.rscv-outline li.is-complete .rscv-status-dot { border-color: var(--rscv-success); background: var(--rscv-success); box-shadow: inset 0 0 0 2px #fff; }
.rscv-outline li.is-current .rscv-status-dot { border-color: var(--rscv-orange); background: var(--rscv-orange); }
.rscv-lesson-content { width: 100%; min-width: 0; padding: 64px 64px 100px; background: #fff; }
.rscv-lesson-header { position: relative; padding-bottom: 36px; border-bottom: 1px solid var(--rscv-line); }
.rscv-lesson-header h1 { max-width: 700px; font-size: clamp(42px, 5vw, 61px); }
.rscv-lesson-status { display: inline-flex; align-items: center; gap: 8px; margin-top: 22px; color: var(--rscv-muted); font-size: 13px; font-weight: 700; }
.rscv-lesson-status span { width: 9px; height: 9px; border: 1px solid currentColor; border-radius: 50%; }
.rscv-lesson-status.is-complete { color: var(--rscv-success); }
.rscv-lesson-status.is-complete span { background: currentColor; }
.rscv-lesson-media { margin-top: 42px; }
.rscv-lesson-media__intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, 330px); gap: 32px; align-items: end; margin-bottom: 18px; }
.rscv-lesson-media__intro h2 { margin: 4px 0 0; color: var(--rscv-violet); font: 400 clamp(28px, 3.6vw, 36px)/1.1 "Gentium Book Plus", Georgia, serif; }
.rscv-lesson-media__intro > p { margin: 0; color: var(--rscv-muted); font-size: 14px; line-height: 1.55; }
.rscv-lesson-deck { overflow: hidden; width: 100%; aspect-ratio: 16 / 9; border: 1px solid rgba(59,58,100,.22); border-radius: 8px; background: #0e1014; box-shadow: 0 20px 54px rgba(44,43,77,.16); }
.rscv-lesson-deck iframe { display: block; width: 100%; height: 100%; border: 0; background: #0e1014; }
.rscv-learning-objectives, .rscv-exercise, .rscv-quiz { margin-top: 44px; padding: 32px; border-radius: 7px; }
.rscv-learning-objectives { background: var(--rscv-mint); }
.rscv-learning-objectives h2, .rscv-exercise h2, .rscv-quiz h2, .rscv-completion-panel h2 { font-family: Inter, Helvetica, sans-serif; font-size: 22px; font-weight: 700; letter-spacing: -.01em; }
.rscv-learning-objectives ul { display: grid; gap: 8px; margin: 20px 0 0; padding-left: 22px; }
.rscv-reading { margin-top: 48px; color: var(--rscv-ink); font-family: Inter, Helvetica, sans-serif; font-size: 18px; line-height: 1.82; }
.rscv-reading p + p { margin-top: 28px; }
.rscv-exercise { background: var(--rscv-ivory); border-left: 4px solid var(--rscv-orange); }
.rscv-exercise ol { display: grid; gap: 10px; padding-left: 22px; }
.rscv-deliverable { margin-bottom: 0; padding-top: 18px; border-top: 1px solid var(--rscv-line); }
.rscv-quiz { border: 1px solid var(--rscv-line); }
.rscv-question { margin: 28px 0 0; padding: 0; border: 0; }
.rscv-question legend { display: flex; gap: 12px; width: 100%; margin-bottom: 14px; font-weight: 700; line-height: 1.45; }
.rscv-question legend span { flex: 0 0 28px; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: var(--rscv-violet); color: #fff; font-size: 12px; }
.rscv-question label { cursor: pointer; display: grid; grid-template-columns: 18px 1fr; gap: 12px; align-items: start; margin: 8px 0; padding: 13px 14px; border: 1px solid var(--rscv-line); border-radius: 5px; line-height: 1.45; }
.rscv-question label:hover { border-color: #aaa7bc; background: var(--rscv-ivory); }
.rscv-question input { margin-top: 4px; accent-color: var(--rscv-violet); }
.rscv-question-feedback, .rscv-quiz-summary { min-height: 24px; margin: 8px 0 0; font-size: 14px; font-weight: 700; }
.rscv-question.is-correct .rscv-question-feedback, .rscv-quiz-summary.is-success { color: var(--rscv-success); }
.rscv-question.is-incorrect .rscv-question-feedback { color: var(--rscv-danger); }
.rscv-completion-panel { display: flex; align-items: center; justify-content: space-between; gap: 32px; margin-top: 32px; padding: 28px 32px; background: var(--rscv-violet); color: #fff; border-radius: 7px; }
.rscv-completion-panel h2, .rscv-completion-panel .rscv-eyebrow { color: #fff; }
.rscv-completion-panel p { margin: 5px 0 0; }
.rscv-completion-panel .rscv-button { background: var(--rscv-orange); }
.rscv-lesson-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 54px; padding-top: 28px; border-top: 1px solid var(--rscv-line); }
.rscv-lesson-nav a { color: var(--rscv-violet); text-decoration: none; line-height: 1.35; }
.rscv-lesson-nav small { display: block; margin-bottom: 5px; color: var(--rscv-muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.rscv-lesson-next { text-align: right; }
.rscv-certificate-page { padding: 80px 0; background: var(--rscv-ivory); }
.rscv-certificate { position: relative; padding: 76px; border: 10px solid var(--rscv-violet); outline: 1px solid var(--rscv-orange); outline-offset: -22px; background: #fff; text-align: center; }
.rscv-certificate__brand { margin-bottom: 48px; color: var(--rscv-cyan); font-size: 28px; font-weight: 800; }
.rscv-certificate__brand span { color: var(--rscv-violet); font-size: 14px; }
.rscv-certificate__awarded { margin: 38px 0 0; color: var(--rscv-muted); }
.rscv-certificate h2 { margin: 4px 0 24px; font-size: 48px; }
.rscv-certificate__footer { display: flex; justify-content: space-between; gap: 24px; margin-top: 54px; padding-top: 22px; border-top: 1px solid var(--rscv-line); color: var(--rscv-muted); font-size: 13px; }
.rscv-certificate-actions { display: flex; justify-content: center; align-items: center; gap: 24px; margin-top: 28px; }

.rscv-account-courses { margin-top: 48px; color: var(--rscv-violet); font-family: Inter, Helvetica, sans-serif; font-size: 16px; line-height: 1.6; }
.rscv-account-courses-endpoint .rscv-account-courses { margin-top: 0; }
.rscv-account-courses *, .rscv-account-courses *::before, .rscv-account-courses *::after { box-sizing: border-box; }
.rscv-account-courses__heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 24px; padding-bottom: 18px; border-bottom: 1px solid var(--rscv-line); }
.rscv-account-courses__heading h2 { margin: 0; color: var(--rscv-violet); font-family: "Gentium Book Plus", Georgia, serif; font-size: clamp(32px, 4vw, 42px); font-weight: 400; letter-spacing: -.02em; line-height: 1.08; }
.rscv-account-courses__heading > a, .rscv-account-course-card__actions > a:not(.rscv-button) { color: var(--rscv-violet); font-weight: 700; text-underline-offset: 4px; }
.rscv-account-courses__eyebrow { margin: 0 0 7px; color: var(--rscv-orange-dark); font-size: 12px; font-weight: 700; letter-spacing: .13em; line-height: 1.3; text-transform: uppercase; }
.rscv-account-courses__empty { padding: 32px; border: 1px solid var(--rscv-line); border-radius: 8px; background: var(--rscv-ivory); }
.rscv-account-courses__empty h3 { margin: 0; color: var(--rscv-violet); font: 400 30px/1.15 "Gentium Book Plus", Georgia, serif; }
.rscv-account-courses__empty p { max-width: 640px; margin: 8px 0 22px; color: var(--rscv-muted); }
.rscv-account-course-grid { display: grid; gap: 18px; }
.rscv-account-course-card { display: grid; grid-template-columns: 64px minmax(0, 1fr) auto; gap: 16px 24px; align-items: start; padding: 26px; border: 1px solid var(--rscv-line); border-radius: 8px; background: var(--rscv-paper); }
.rscv-account-course-card__mark { width: 64px; height: 64px; display: grid; place-items: center; border-radius: 4px; background: var(--rscv-mint); color: var(--rscv-violet); font: 400 36px/1 "Gentium Book Plus", Georgia, serif; }
.rscv-account-course-card__body h3 { margin: 0; color: var(--rscv-violet); font: 400 27px/1.15 "Gentium Book Plus", Georgia, serif; }
.rscv-account-course-card__body h3 a { color: inherit; text-decoration: none; }
.rscv-account-course-card__body > p:last-child { margin: 6px 0 0; color: var(--rscv-muted); font-size: 14px; }
.rscv-account-course-card__progress { grid-column: 2 / 3; display: grid; gap: 10px; }
.rscv-account-course-card__progress > div:first-child { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.rscv-account-course-card__progress strong { font-size: 18px; }
.rscv-account-course-card__progress span { color: var(--rscv-muted); font-size: 13px; }
.rscv-account-course-card__actions { grid-column: 3; grid-row: 1 / 3; align-self: center; display: flex; flex-direction: column; align-items: center; gap: 9px; }
.rscv-account-courses a:focus-visible { outline: 3px solid rgba(72,186,208,.45); outline-offset: 3px; }

@media (max-width: 1080px) {
  .rscv-account-course-card { grid-template-columns: 56px minmax(0, 1fr) auto; }
  .rscv-account-course-card__mark { width: 56px; height: 56px; }
}

@media (max-width: 1180px) {
  .rscv-lesson-layout { grid-template-columns: 250px minmax(0, 1fr); }
}

@media (max-width: 900px) {
  .rscv-course-hero { background: var(--rscv-ivory); }
  .rscv-course-hero__grid, .rscv-course-overview { grid-template-columns: 1fr; gap: 44px; }
  .rscv-outcomes { position: static; }
  .rscv-course-grid { grid-template-columns: 1fr; }
  .rscv-lesson-topbar { grid-template-columns: minmax(0,1fr) auto; }
  .rscv-lesson-topbar__progress { display: none; }
  .rscv-outline-toggle { display: block; }
  .rscv-lesson-layout { display: block; }
  .rscv-outline { display: none; position: fixed; z-index: 30; inset: 64px 0 0 auto; width: min(360px, 92vw); height: calc(100vh - 64px); box-shadow: -18px 0 40px rgba(9,32,44,.16); }
  .rscv-outline.is-open { display: block; }
  .rscv-lesson-content { max-width: 780px; margin: 0 auto; }
}

@media (max-width: 640px) {
  .rscv-course-shell { width: min(100% - 28px, 1180px); }
  .rscv-course-hero, .rscv-course-hero--catalog { padding: 52px 0 60px; }
  .rscv-courses h1 { font-size: 43px; }
  .rscv-section-heading { display: block; }
  .rscv-section-heading > p { margin-top: 16px; }
  .rscv-course-card { grid-template-columns: 48px 1fr; padding: 22px; gap: 16px; }
  .rscv-course-card__mark { width: 48px; height: 48px; font-size: 28px; }
  .rscv-module summary { grid-template-columns: 34px 1fr; padding: 18px; }
  .rscv-module-count { display: none; }
  .rscv-module li a { padding: 14px 18px; }
  .rscv-lesson-topbar { padding: 10px 14px; }
  .rscv-lesson-content { padding: 44px 20px 72px; }
  .rscv-lesson-media { margin-top: 34px; }
  .rscv-lesson-media__intro { grid-template-columns: 1fr; gap: 10px; }
  .rscv-learning-objectives, .rscv-exercise, .rscv-quiz { padding: 22px; }
  .rscv-completion-panel { display: grid; padding: 24px; }
  .rscv-lesson-nav { grid-template-columns: 1fr; }
  .rscv-lesson-next { text-align: left; }
  .rscv-certificate { padding: 52px 28px; border-width: 7px; outline-offset: -16px; }
  .rscv-certificate__footer, .rscv-certificate-actions { flex-direction: column; align-items: center; }
  .rscv-account-courses { margin-top: 36px; }
  .rscv-account-courses__heading { display: grid; align-items: start; }
  .rscv-account-courses__empty { padding: 24px; }
  .rscv-account-course-card { grid-template-columns: 48px minmax(0, 1fr); gap: 16px; padding: 20px; }
  .rscv-account-course-card__mark { width: 48px; height: 48px; font-size: 28px; }
  .rscv-account-course-card__progress, .rscv-account-course-card__actions { grid-column: 1 / -1; }
  .rscv-account-course-card__actions { grid-row: auto; align-items: stretch; flex-direction: column; }
}

@media print {
  body.rscv-courses-certificate header, body.rscv-courses-certificate footer, .rscv-certificate-actions { display: none !important; }
  .rscv-certificate-page { padding: 0; background: #fff; }
  .rscv-certificate { break-inside: avoid; }
}

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