/* BarefootScience.ai — Course pages */

.lesson-layout {
  max-width: 840px;
  margin: 0 auto;
  padding: 56px 22px 80px;
}

.lesson-header {
  margin-bottom: 48px;
}

.lesson-header .eyebrow {
  margin-bottom: 10px;
}

.lesson-header .eyebrow a {
  color: var(--warm);
  text-decoration: none;
  font-weight: 800;
}

.lesson-header h1 {
  font-size: clamp(34px, 5vw, 56px);
  max-width: 820px;
  margin-bottom: 16px;
}

.lesson-section {
  margin-bottom: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--line);
}

.lesson-section:last-of-type {
  border-bottom: none;
}

.lesson-section h2 {
  font-size: 26px;
  margin-bottom: 16px;
}

.lesson-list {
  margin: 0 0 20px 20px;
  padding: 0;
}

.lesson-list li {
  margin-bottom: 10px;
  font-size: 16px;
  line-height: 1.6;
}

/* VIDEO */
.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 6px;
  margin-bottom: 12px;
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-note {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

/* DOWNLOADS */
.download-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.download-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 18px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s;
}

.download-card:hover {
  border-color: var(--accent);
}

.download-icon {
  font-size: 26px;
  flex-shrink: 0;
}

.download-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.download-info strong {
  font-size: 15px;
  color: var(--ink);
}

.download-info span {
  font-size: 12px;
  color: var(--muted);
}

/* QUIZ */
.quiz-form {
  margin-top: 24px;
}

.quiz-question {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 22px;
  margin-bottom: 16px;
}

.quiz-question.correct {
  border-color: #2e7d32;
  background: #f0faf0;
}

.quiz-question.incorrect {
  border-color: #c62828;
  background: #fff5f5;
}

.question-text {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.5;
}

.quiz-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 15px;
  cursor: pointer;
  line-height: 1.5;
}

.quiz-option input[type="radio"],
.quiz-option input[type="checkbox"] {
  margin-top: 3px;
  flex-shrink: 0;
  accent-color: var(--accent);
}

.quiz-instruction {
  margin: -6px 0 12px;
  font-size: 14px;
  color: var(--muted);
}

.quiz-option.selected-correct {
  color: #2e7d32;
  font-weight: 700;
}

.quiz-option.selected-wrong {
  color: #c62828;
  font-weight: 700;
}

.quiz-option.show-correct {
  color: #2e7d32;
  font-weight: 700;
}

.quiz-actions {
  margin-top: 24px;
}

.quiz-submit {
  min-width: 160px;
}

/* QUIZ RESULT */
.quiz-result {
  margin-top: 28px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.result-score {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 10px;
}

.result-score.pass {
  color: #2e7d32;
}

.result-score.fail {
  color: #c62828;
}

.result-detail {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 18px;
}

/* LESSON NAV */
.lesson-nav {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}

/* CERTIFICATE */
.certificate-section {
  margin-top: 32px;
}

@media (max-width: 680px) {
  .download-grid {
    grid-template-columns: 1fr;
  }

  .lesson-nav {
    flex-direction: column;
  }

  .lesson-nav .button {
    text-align: center;
  }
}

/* COURSE SECTIONS */
.course-section {
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line);
}

.course-section h2 {
  font-size: 26px;
  margin-bottom: 14px;
}

.course-section ul {
  margin: 0 0 0 20px;
  padding: 0;
}

.course-section ul li {
  margin-bottom: 10px;
  font-size: 16px;
  line-height: 1.6;
}

/* COURSE LANDING LAYOUT */
.course-layout {
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px 22px 80px;
}

.course-hero {
  max-width: 820px;
  margin-bottom: 56px;
}

.course-hero h1 {
  font-size: clamp(36px, 5vw, 58px);
  margin-bottom: 20px;
}

.course-meta {
  display: flex;
  gap: 10px 24px;
  flex-wrap: wrap;
  margin: 20px 0;
  font-size: 14px;
  color: var(--muted);
}

.course-meta span::before {
  content: "✓ ";
  color: var(--accent);
  font-weight: 700;
}

/* LESSON CARDS */
.lesson-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin: 32px 0;
}

.lesson-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 28px;
  text-decoration: none;
  color: var(--ink);
}

.lesson-card:hover {
  border-color: var(--accent);
}

.lesson-number {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.lesson-card h2 {
  font-size: 20px;
  margin-bottom: 12px;
}

.lesson-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
}

/* COURSE INCLUDES */
.course-includes {
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--line);
}

.includes-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 28px;
}

.include-item h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

@media (max-width: 820px) {
  .lesson-grid {
    grid-template-columns: 1fr;
  }

  .includes-grid {
    grid-template-columns: 1fr;
  }
}