.feature-page { background: #f7f5ef; color: #191d19; font-family: 'Trebuchet MS', Arial, sans-serif; }
.feature-page .navbar { position: relative; background: #f7f5ef; border-bottom: 1px solid #dbddd5; box-shadow: none; padding: 0 30px; }
.feature-page .nav-container { max-width: 1240px; min-height: 74px; }
.feature-page .nav-brand { color: #191d19; letter-spacing: -.06em; font-size: 21px; font-weight: 900; }
.feature-page .nav-link { color: #292d27; font-size: 14px; font-weight: 700; }
.feature-dot { color: #ff6542; }
.feature-main { width: min(1100px, calc(100% - 44px)); margin: 0 auto; padding: 58px 0 90px; }
.feature-main > h1 { font-size: clamp(40px, 6vw, 72px); line-height: .98; letter-spacing: -.08em; margin: 12px 0 15px; }
.feature-kicker { color: #717966; font-size: 11px; font-weight: 900; letter-spacing: .15em; margin: 0 0 9px; }
.feature-intro { color: #656b5e; max-width: 680px; font-size: 16px; line-height: 1.7; margin: 0 0 24px; }
.feature-feedback { min-height: 22px; color: #4f6630; font-size: 13px; margin: 12px 0; }
.feature-feedback.is-error { color: #b43c28; }
.feature-section { border-top: 1px solid #d6d8ce; padding: 28px 0; margin-top: 16px; }
.feature-main section > h2 { font-size: 27px; letter-spacing: -.06em; margin: 0 0 16px; }
.feature-subtitle { font-size: 20px; letter-spacing: -.04em; margin: 27px 0 12px; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(235px, 1fr)); gap: 13px; }
.feature-card { background: #fbfaf6; border: 1px solid #d9dbd1; border-radius: 7px; padding: 20px; display: flex; flex-direction: column; gap: 8px; }
.feature-card h3 { font-size: 21px; letter-spacing: -.05em; margin: 0; }
.feature-card > p:not(.feature-kicker):not(.feature-note) { color: #6e7467; font-size: 13px; line-height: 1.6; margin: 0; }
.feature-card-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 11px; }
.feature-card-footer strong,.course-price { font-size: 17px; }
.feature-button { display: inline-flex; justify-content: center; align-items: center; background: #191d19; color: #fff; border: 1px solid #191d19; border-radius: 5px; text-decoration: none; font: inherit; font-size: 13px; font-weight: 800; padding: 10px 13px; cursor: pointer; }
.feature-button:hover:not(:disabled) { background: #374629; }
.feature-button:disabled { cursor: not-allowed; opacity: .55; }
.feature-button.secondary { background: transparent; color: #495a30; border-color: #aeb69b; }
.feature-button.secondary:hover:not(:disabled) { background: #edf0e3; }
.feature-button.danger { background: #fff7f3; color: #a43a29; border-color: #e4b6a9; }
.feature-note { color: #787e71; font-size: 12px; line-height: 1.5; margin: 4px 0 0; }
.feature-empty { color: #73796d; background: #efeee7; border: 1px dashed #d1d3c8; border-radius: 6px; padding: 17px; }
.feature-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; max-width: 790px; background: #efeee7; border: 1px solid #d6d8ce; border-radius: 7px; padding: 17px; }
.feature-form label { display: grid; align-content: start; gap: 6px; color: #474d41; font-size: 12px; font-weight: 800; }
.feature-form input,.feature-form select,.feature-form textarea { width: 100%; padding: 10px 11px; border: 1px solid #c9cbbf; border-radius: 5px; background: #fffefa; color: #191d19; font: inherit; font-size: 14px; }
.feature-form textarea { resize: vertical; }
.feature-form .feature-full { grid-column: 1 / -1; }
.feature-form .feature-checkbox { display: flex; align-items: center; gap: 8px; }
.feature-form .feature-checkbox input { width: auto; }
.feature-form-actions { display: flex; grid-column: 1 / -1; align-items: center; gap: 10px; }
.feature-inline-form { margin: 18px 0; }
.feature-list { display: grid; gap: 8px; }
.feature-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 14px 16px; background: #fbfaf6; border: 1px solid #dedfd6; border-radius: 6px; }
.feature-row > div:first-child { display: grid; gap: 4px; min-width: 0; }
.feature-row strong { font-size: 14px; }
.feature-row span { color: #73796d; font-size: 12px; overflow-wrap: anywhere; }
.feature-row-actions,.feature-detail-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.feature-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.feature-stat { display: grid; gap: 8px; padding: 15px 17px; background: #eeede5; border: 1px solid #d5d7ca; border-radius: 6px; }
.feature-stat span { color: #72786b; font-size: 12px; }
.feature-stat strong { font-size: 22px; letter-spacing: -.04em; }
.feature-detail-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; padding-bottom: 18px; }
.feature-detail-heading h2 { font-size: 30px; letter-spacing: -.06em; margin: 6px 0; }
.feature-detail-heading p:not(.feature-kicker) { color: #6e7467; font-size: 14px; margin: 6px 0; }
.feature-detail-actions { justify-content: flex-end; }
.course-detail { margin: 10px 0 27px; }
.course-materials { border-top: 1px solid #e0e1d8; padding-top: 16px; margin-top: 8px; }
.course-materials h3 { font-size: 18px; margin: 0 0 8px; }
.course-materials > div { color: #42483e; white-space: pre-wrap; line-height: 1.7; }
.course-lessons { display: grid; gap: 12px; margin: 18px 0; }
.course-lesson { padding: 17px; background: #f4f3ec; border: 1px solid #e0e1d8; border-radius: 6px; }
.course-lesson-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.lesson-number { color: #717966; font-size: 10px; font-weight: 900; letter-spacing: .14em; }
.course-lesson h3 { margin: 10px 0 8px; font-size: 19px; }
.course-lesson-content { color: #42483e; white-space: pre-wrap; line-height: 1.7; }
.lesson-completion { display: inline-flex; align-items: center; gap: 7px; color: #4c5f32; font-size: 12px; font-weight: 800; cursor: pointer; }
.lesson-completion input { accent-color: #596c37; }
.course-progress { color: #596c37; font-size: 13px; font-weight: 800; }
.course-price { margin: 6px 0; }
.forum-layout { display: grid; grid-template-columns: minmax(240px, .8fr) minmax(0, 1.6fr); gap: 24px; align-items: start; margin-top: 26px; }
.forum-layout aside > h2,.forum-panel > h2 { font-size: 24px; letter-spacing: -.06em; margin: 0 0 14px; }
.forum-panel { min-width: 0; }
.forum-choice { align-items: flex-start; }
.forum-select { display: grid; gap: 5px; text-align: left; background: none; border: 0; cursor: pointer; font: inherit; }
.forum-select strong { font-size: 14px; }
.forum-select span { color: #73796d; font-size: 12px; }
.forum-panel > .feature-form { margin-top: 16px; }
@media (max-width: 680px) {
  .feature-page .navbar { padding: 0 16px; }
  .feature-page .nav-container { align-items: flex-start; flex-direction: column; gap: 8px; padding: 12px 0; }
  .feature-page .nav-links { flex-wrap: wrap; gap: 12px; }
  .feature-main { width: calc(100% - 32px); padding-top: 38px; }
  .feature-form { grid-template-columns: 1fr; }
  .feature-form .feature-full,.feature-form-actions { grid-column: auto; }
  .feature-row,.feature-detail-heading { align-items: flex-start; flex-direction: column; }
  .forum-layout { grid-template-columns: 1fr; }
}