/* Free lessons and the learning-first homepage. */
.sv-learn, .sv-home, .pack-page { --learn-ink: #242126; --learn-muted: #625c64; --learn-line: #e7e2e4; --learn-soft: #fbf5f5; --learn-red: #b21f2d; }
.sv-learn { background: #fff; color: var(--learn-ink); }
.sv-learn .nav, .sv-home .nav { background: #fff; border-color: var(--learn-line); }
.learn-button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 22px; border: 1px solid var(--learn-red); border-radius: 6px; background: var(--learn-red); color: #fff; font: 600 15px/1.4 var(--ui); text-decoration: none; cursor: pointer; }
.learn-button:hover { background: #951824; border-color: #951824; }
.learn-button--quiet { color: var(--learn-ink); background: #fff; border-color: var(--learn-line); }
.learn-button--quiet:hover { background: var(--learn-soft); border-color: var(--learn-muted); }
.learn-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--learn-ink); font-weight: 600; text-underline-offset: 5px; text-decoration-color: var(--learn-red); }
.learn-link:hover { color: var(--learn-red); }
.learn-hero { padding: 58px 0 54px; }
.learn-hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .96fr); align-items: center; gap: 70px; }
.learn-hero h1 { max-width: 13ch; font-family: var(--display); font-size: clamp(44px, 5.1vw, 66px); font-weight: 600; line-height: 1.07; letter-spacing: -.035em; text-wrap: balance; }
.learn-hero__copy > p { max-width: 36ch; margin-top: 20px; color: var(--learn-muted); font-size: 18px; line-height: 1.65; }
.learn-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-top: 25px; }
.learn-by { display: flex; gap: 12px; align-items: center; margin-top: 28px; }
.learn-by img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; }
.learn-by p { font-size: 13px; color: var(--learn-muted); line-height: 1.5; }
.learn-by b { display: block; font-weight: 600; color: var(--learn-ink); }
.learn-preview { padding: 30px; background: var(--learn-soft); border: 1px solid var(--learn-line); border-radius: 10px; }
.learn-preview__label { margin-bottom: 18px; color: var(--learn-muted); font-size: 13px; }
.learn-preview__spanish { font-family: var(--display); font-size: 28px; line-height: 1.45; }
.learn-preview__question { margin: 20px 0 12px; font-size: 15px; font-weight: 600; }
.learn-preview details summary { min-height: 44px; display: flex; align-items: center; color: var(--learn-red); font-size: 14px; font-weight: 600; cursor: pointer; }
.learn-preview details[open] summary { margin-bottom: 6px; }
.learn-preview details p { color: var(--learn-muted); font-size: 15px; line-height: 1.6; }
.learn-preview details + details { border-top: 1px solid var(--learn-line); }
.learn-preview details summary::after { content: '+'; margin-left: auto; font-size: 20px; font-weight: 400; }
.learn-preview details[open] summary::after { content: '−'; }
.learn-routes { padding: 32px 0 46px; border-top: 1px solid var(--learn-line); }
.learn-routes__head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 20px; }
.learn-routes h2, .sv-home .learn-routes h2 { font-size: 29px; line-height: 1.2; font-weight: 600; }
.learn-routes__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; list-style: none; }
.learn-routes__list--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.learn-route { display: block; height: 100%; padding: 20px 0 10px; border-top: 1px solid var(--learn-line); color: var(--learn-ink); text-decoration: none; }
.learn-route > span { font-size: 12px; color: var(--learn-muted); }
.learn-route h3 { margin: 8px 0; font-family: var(--ui); font-size: 18px; line-height: 1.35; font-weight: 600; }
.learn-route p { font-size: 14px; line-height: 1.6; color: var(--learn-muted); }
.learn-route:hover h3 { color: var(--learn-red); text-decoration: underline; text-underline-offset: 4px; }
.sv-home .hx-kits { border-top: 1px solid var(--learn-line); padding-top: 42px; }
.sv-home .hx-kits h2, .sv-home .hx-practice h2, .sv-home .hx-inside h2, .sv-home .hx-feedback h2, .sv-home .hx-buy h2 { font-weight: 600; font-size: clamp(27px, 4vw, 35px); line-height: 1.2; }
.sv-home .hx-kriti { background: #f8f8f7; border-color: var(--learn-line); }
.sv-home .hx-kriti__inner { max-width: 900px; }
.sv-home .hx-kriti img { border: 0; }
.sv-home .hx-facts { gap: 5px 17px; }
.sv-home .hx-facts li { padding: 0; background: none; font-size: 13px; font-weight: 400; }
.sv-home .hx-categories a { font-weight: 500; border-radius: 5px; border-color: var(--learn-line); }
.sv-home .hx-card img { box-shadow: none; border-color: var(--learn-line); }
.sv-home .hx-prow__price { color: var(--learn-muted); font-weight: 500; }
.sv-home .hx-prow__name { font-weight: 600; }
.sv-home .hx-prow img { border-radius: 4px; }
.sv-home .hx-feedback__quotes .testi__card { border-radius: 6px; box-shadow: none; }
.sv-home .hx-facts + .learn-link { margin-top: 8px; }
.learn-shell { max-width: 1040px; margin: 0 auto; padding: 0 24px; }
.lesson-header { padding: 44px 0 30px; }
.lesson-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin-bottom: 16px; color: var(--learn-muted); font-size: 13px; }
.lesson-meta a { color: inherit; text-underline-offset: 4px; }
.lesson-header h1 { max-width: 19ch; font-size: clamp(36px, 5vw, 56px); font-weight: 600; line-height: 1.12; letter-spacing: -.025em; text-wrap: balance; }
.lesson-header > .learn-shell > p { max-width: 58ch; margin-top: 16px; font-size: 17px; line-height: 1.65; color: var(--learn-muted); }
.lesson-layout { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 60px; padding-bottom: 64px; align-items: start; }
.lesson-main { min-width: 0; }
.lesson-section + .lesson-section { margin-top: 38px; padding-top: 34px; border-top: 1px solid var(--learn-line); }
.lesson-section h2 { margin-bottom: 14px; font-size: 28px; line-height: 1.2; font-weight: 600; }
.lesson-section > p { margin: 12px 0; color: var(--learn-muted); }
.lesson-section[id], .study-day[id], #practice, #your-turn { scroll-margin-top: 100px; }
.lesson-dialogue { margin: 20px 0; padding: 8px 0; }
.lesson-line { display: grid; grid-template-columns: 58px minmax(0, 1fr); gap: 16px; margin-bottom: 20px; }
.lesson-line:last-child { margin-bottom: 0; }
.lesson-line dt { padding-top: 5px; font: 500 13px/1.5 var(--ui); color: var(--learn-muted); }
.lesson-line dd { font-family: var(--display); font-size: 23px; line-height: 1.5; }
.lesson-detail { border-top: 1px solid var(--learn-line); border-bottom: 1px solid var(--learn-line); }
.lesson-detail + .lesson-detail { border-top: 0; }
.lesson-detail > summary { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 52px; padding: 12px 0; font-size: 14px; font-weight: 600; cursor: pointer; list-style: none; }
.lesson-detail > summary::-webkit-details-marker { display: none; }
.lesson-detail > summary::after { content: '+'; font-size: 22px; font-weight: 400; color: var(--learn-red); }
.lesson-detail[open] > summary::after { content: '−'; }
.lesson-detail > div { padding: 0 0 20px; font-size: 15px; line-height: 1.65; color: var(--learn-muted); }
.lesson-detail p + p { margin-top: 10px; }
.lesson-detail ul { padding-left: 20px; }
.lesson-detail li + li { margin-top: 8px; }
.lesson-side { position: sticky; top: 110px; font-size: 14px; }
.lesson-side h2 { font: 600 15px/1.4 var(--ui); margin-bottom: 14px; }
.lesson-side nav { display: grid; gap: 2px; padding-bottom: 20px; border-bottom: 1px solid var(--learn-line); }
.lesson-side a { display: flex; align-items: center; min-height: 40px; color: var(--learn-muted); text-underline-offset: 4px; }
.lesson-side > p { margin-top: 16px; color: var(--learn-muted); font-size: 13px; }
.lesson-side > p a { display: inline; }
.lesson-quiz { padding: 24px; margin-top: 20px; background: #faf9fa; border: 1px solid var(--learn-line); border-radius: 8px; }
.lesson-quiz fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.lesson-quiz fieldset + fieldset { margin-top: 24px; }
.lesson-quiz.is-ready fieldset { margin-top: 0; }
.lesson-quiz legend { width: 100%; margin-bottom: 16px; font-size: 17px; font-weight: 600; line-height: 1.5; }
.quiz-count { margin-bottom: 14px; font-size: 12px; color: var(--learn-muted); }
.quiz-option { display: flex; gap: 12px; align-items: flex-start; padding: 13px 14px; margin-top: 9px; min-height: 49px; border: 1px solid var(--learn-line); border-radius: 5px; background: #fff; font-size: 16px; line-height: 1.5; cursor: pointer; }
.quiz-option input { width: 17px; height: 17px; flex: none; margin-top: 3px; accent-color: var(--learn-red); }
.quiz-option:has(input:checked) { border-color: var(--learn-red); background: var(--learn-soft); }
.quiz-option:focus-within { outline: 2px solid var(--learn-red); outline-offset: 2px; }
.quiz-feedback { margin: 16px 0 0; padding-left: 13px; border-left: 2px solid var(--learn-red); font-size: 15px; color: var(--learn-ink); }
.quiz-feedback:empty { margin: 0; padding: 0; border: 0; }
.lesson-quiz:not(.is-ready) .quiz-controls, .lesson-quiz:not(.is-ready) .quiz-reset { display: none; }
.quiz-controls { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.quiz-complete h3 { font-family: var(--ui); font-size: 19px; line-height: 1.4; margin-bottom: 10px; }
.quiz-complete p { font-size: 15px; color: var(--learn-muted); }
.quiz-complete .learn-link { margin-top: 8px; }
.quiz-reset { padding: 0; border: 0; background: transparent; text-decoration: underline; text-underline-offset: 5px; font: 500 14px var(--ui); color: var(--learn-muted); min-height: 44px; cursor: pointer; }
.lesson-answer { display: block; width: 100%; min-height: 130px; padding: 16px; margin: 18px 0 8px; border: 1px solid var(--learn-line); border-radius: 6px; resize: vertical; font: 400 18px/1.65 var(--ui); color: var(--learn-ink); background: #fff; }
.lesson-note { font-size: 13px; color: var(--learn-muted); }
.lesson-model { font-family: var(--display); font-size: 21px; line-height: 1.6; color: var(--learn-ink); }
.lesson-next { padding: 24px 0 0; }
.lesson-next h2 { font-size: 25px; }
.lesson-next p { max-width: 52ch; }
.lesson-next .learn-actions { margin-top: 12px; }
.study-intro { padding: 20px; margin: 0 0 24px; background: var(--learn-soft); border-radius: 6px; color: var(--learn-muted); font-size: 15px; }
.study-intro b { color: var(--learn-ink); font-weight: 600; }
.study-days { list-style: none; padding: 0; margin: 0; }
.study-day { padding: 24px 0; border-top: 1px solid var(--learn-line); }
.study-day__label { font-size: 12px; color: var(--learn-muted); margin-bottom: 6px; }
.study-day h2 { font-size: 25px; line-height: 1.2; margin-bottom: 12px; font-weight: 600; }
.study-day p { font-size: 15px; line-height: 1.65; margin-top: 8px; }
.study-day p + p { color: var(--learn-muted); }
.study-day details { margin-top: 16px; }
.study-day details summary { min-height: 44px; display: flex; align-items: center; font-size: 14px; font-weight: 600; color: var(--learn-red); cursor: pointer; }
.study-day details > div { padding: 8px 0; }
.study-example { display: block; margin: 8px 0; font-family: var(--display); color: var(--learn-ink); font-size: 21px; line-height: 1.5; }
.study-files { padding: 0 0 20px 20px; color: var(--learn-muted); font-size: 14px; }
.study-files li + li { margin-top: 8px; }
.study-check { display: flex; align-items: center; gap: 10px; min-height: 44px; margin-top: 12px; font-size: 14px; color: var(--learn-muted); cursor: pointer; }
.study-check input { width: 17px; height: 17px; accent-color: var(--learn-red); }
.study-done { margin: 18px 0; font-size: 14px; color: var(--learn-muted); }
.pk-learning { margin: 0 0 20px; }
.pk-learning .wrap { padding-top: 18px; padding-bottom: 18px; border-top: 1px solid var(--learn-line); border-bottom: 1px solid var(--learn-line); }
.pk-learning h2 { font: 600 19px/1.4 var(--ui); }
.pk-learning p { margin-top: 8px; color: var(--learn-muted); font-size: 15px; max-width: 62ch; }
.pk-learning a { display: inline-flex; min-height: 44px; align-items: center; margin-right: 22px; font-size: 14px; font-weight: 600; text-underline-offset: 4px; }
.pk-hero .learn-link { margin-top: 8px; font-size: 14px; }
.pack-page:has(.pk-learning) .pk-page__tag { display: none; }
.pack-page:has(.pk-learning) .pk-page { transform: none; }
.pack-page:has(.pk-learning) .pk-page img { box-shadow: 0 10px 28px -16px #8f7e84; }
.pack-page:has(.pk-learning) .pk-full { background: #faf9fa; }
.pack-page:has(.pk-learning) .btn { box-shadow: none; border-radius: 6px; }
[hidden] { display: none !important; }
@media (max-width: 859px) {
  .learn-hero { padding: 30px 0 34px; }
  .learn-hero__grid { grid-template-columns: 1fr; gap: 28px; }
  .learn-hero h1 { max-width: 16ch; font-size: clamp(39px, 10.5vw, 50px); }
  .learn-hero__copy > p { font-size: 16px; line-height: 1.6; margin-top: 15px; max-width: 39ch; }
  .learn-actions { margin-top: 20px; gap: 9px 20px; }
  .learn-by { margin-top: 20px; }
  .learn-preview { padding: 22px; }
  .learn-preview__spanish { font-size: 25px; }
  .learn-preview__question { margin-top: 16px; }
  .learn-preview__label { margin-bottom: 13px; }
  .learn-routes { padding: 28px 0 32px; }
  .learn-routes__list { grid-template-columns: 1fr; gap: 0; }
  .learn-route { padding: 17px 0; }
  .learn-route h3 { font-size: 17px; margin: 4px 0; }
  .learn-routes h2, .sv-home .learn-routes h2 { font-size: 27px; }
  .learn-shell { padding: 0 20px; }
  .lesson-header { padding: 28px 0 26px; }
  .lesson-header h1 { font-size: 39px; }
  .lesson-header > .learn-shell > p { font-size: 16px; line-height: 1.6; }
  .lesson-layout { grid-template-columns: 1fr; gap: 30px; padding-bottom: 40px; }
  .lesson-side { display: none; }
  .lesson-section h2 { font-size: 25px; }
  .lesson-line { grid-template-columns: 42px minmax(0, 1fr); gap: 12px; margin-bottom: 16px; }
  .lesson-line dd { font-size: 21px; }
  .lesson-line dt { font-size: 12px; }
  .lesson-quiz { padding: 18px; }
  .quiz-option { font-size: 16px; padding: 12px 10px; }
  .sv-home .hx-kits { padding-top: 30px; }
}
@media (min-width: 1100px) { .sv-home .hx-feedback__quotes { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  .sv-learn .nav, .sv-learn .footer, .lesson-side, .quiz-controls, .quiz-reset, .lesson-next, .study-check, .lesson-answer, .learn-actions { display: none !important; }
  .learn-shell { max-width: none; padding: 0; }
  .lesson-layout { display: block; padding: 0; }
  .lesson-header { padding: 0 0 20px; }
  .lesson-header h1 { font-size: 30pt; }
  .lesson-section, .study-day { break-inside: avoid; }
  .lesson-line dd { font-size: 14pt; }
  .lesson-quiz fieldset[hidden] { display: block !important; margin-top: 18px; }
  details > div { display: block !important; }
}