.courses-page,
.course-detail-page {
  min-height: 100vh;
  padding: 116px 0 70px;
  background:
    radial-gradient(circle at top left, rgba(214, 168, 79, .10), transparent 34rem),
    radial-gradient(circle at bottom right, rgba(124, 139, 111, .10), transparent 30rem),
    linear-gradient(180deg, #0f1110 0%, #141713 52%, #0b0d0c 100%);
}

.courses-hero {
  max-width: 820px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-kicker {
  margin: 0 0 8px;
  color: var(--accent);
  font-family: var(--font-heading);
  font-size: 14px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.courses-hero h1,
.course-main h1 {
  margin: 0;
  color: var(--text);
  font-size: clamp(42px, 7vw, 78px);
  line-height: .95;
  text-transform: uppercase;
}

.courses-hero p,
.course-lead {
  margin: 16px auto 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.course-card {
  min-height: 310px;
  padding: 24px;
  border: 1px solid rgba(214, 168, 79, .22);
  background:
    radial-gradient(circle at 30% 20%, rgba(214, 168, 79, .12), transparent 18rem),
    linear-gradient(180deg, rgba(245, 239, 228, .055), rgba(245, 239, 228, .018)),
    var(--panel);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.course-card-top,
.course-badges,
.course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.course-card-top {
  justify-content: space-between;
  margin-bottom: 24px;
}

.course-card-top span,
.course-card-top strong,
.course-badges span,
.course-meta span {
  padding: 7px 10px;
  border: 1px solid var(--line);
  background: rgba(245, 239, 228, .045);
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.course-card-top strong,
.course-badges span:first-child {
  color: var(--accent-soft);
  border-color: rgba(214, 168, 79, .34);
}

.course-card h2 {
  margin: 0 0 12px;
  color: var(--text);
  font-size: 28px;
  line-height: 1.08;
}

.course-card p {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.62;
}

.course-meta {
  margin-top: auto;
  margin-bottom: 18px;
}

.course-link,
.course-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #17110a;
  font-family: var(--font-heading);
  font-size: 15px;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: .25s ease;
}

.course-link:hover,
.course-submit:hover {
  background: transparent;
  color: var(--accent-soft);
  border-color: var(--accent-soft);
}

.empty-courses {
  padding: 40px;
  border: 1px solid var(--line);
  background: rgba(245, 239, 228, .035);
  text-align: center;
}

.course-back {
  display: inline-block;
  margin-bottom: 20px;
}

.course-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 28px;
  align-items: start;
}

.course-main,
.apply-card {
  border: 1px solid rgba(214, 168, 79, .22);
  background:
    linear-gradient(180deg, rgba(245, 239, 228, .055), rgba(245, 239, 228, .018)),
    var(--panel);
  box-shadow: var(--shadow);
}

.course-main {
  padding: clamp(24px, 4vw, 42px);
}

.course-sidebar {
  position: sticky;
  top: 108px;
}

.apply-card {
  padding: 24px;
}

.course-badges {
  margin-bottom: 20px;
}

.course-description {
  margin-top: 28px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.course-description p {
  margin: 0 0 16px;
}

.lessons-section {
  margin-top: 38px;
}

.section-head h2,
.apply-card h2 {
  margin: 0;
  color: var(--text);
  font-size: 34px;
  line-height: 1.08;
}

.lesson-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.lesson-card {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  background: rgba(245, 239, 228, .035);
}

.lesson-number {
  color: var(--accent);
  font-family: var(--font-heading);
  font-size: 28px;
  line-height: 1;
}

.lesson-card h3 {
  margin: 0 0 6px;
  color: var(--text);
}

.lesson-card p,
.lesson-card small,
.apply-card p,
.muted-text {
  color: var(--muted);
  line-height: 1.6;
}

.course-form {
  display: grid;
  gap: 13px;
  margin-top: 18px;
}

.course-form label {
  display: grid;
  gap: 6px;
}

.course-form label span {
  color: var(--muted-2);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.course-form input,
.course-form select,
.course-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(8, 10, 9, .78);
  color: var(--text);
  padding: 12px 13px;
  outline: none;
}

.course-form input:focus,
.course-form select:focus,
.course-form textarea:focus {
  border-color: rgba(214, 168, 79, .62);
  box-shadow: 0 0 0 3px rgba(214, 168, 79, .12);
}

.field-error {
  color: #f0a37b;
  font-weight: 800;
}

.course-messages {
  margin-bottom: 18px;
}

.course-message {
  padding: 14px 16px;
  border: 1px solid rgba(124, 139, 111, .50);
  background: rgba(124, 139, 111, .14);
  color: #c7d8b7;
  font-weight: 800;
}

@media (max-width: 980px) {
  .course-grid,
  .course-detail-layout {
    grid-template-columns: 1fr;
  }

  .course-sidebar {
    position: static;
  }
}

@media (max-width: 680px) {
  .courses-page,
  .course-detail-page {
    padding-top: 100px;
  }

  .course-card,
  .course-main,
  .apply-card {
    padding: 18px;
  }

  .lesson-card {
    grid-template-columns: 1fr;
  }
}

.course-progress {
  height: 10px;
  margin: 12px 0 18px;
  border: 1px solid rgba(214, 168, 79, .22);
  background: rgba(8, 10, 9, .75);
  overflow: hidden;
}

.course-progress.big {
  height: 14px;
  margin-top: 24px;
}

.course-progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-soft));
  box-shadow: 0 0 18px rgba(214, 168, 79, .28);
}

.lesson-completed {
  border-color: rgba(124, 139, 111, .45);
  background: rgba(124, 139, 111, .08);
}

.lesson-content {
  margin: 12px 0;
  color: var(--muted);
  line-height: 1.65;
}

.lesson-progress-form {
  margin-top: 14px;
}

.lesson-progress-button {
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent-soft);
  font-weight: 900;
  cursor: pointer;
}

.lesson-progress-button.done {
  border-color: rgba(124, 139, 111, .65);
  background: rgba(124, 139, 111, .16);
  color: #c7d8b7;
}

.lesson-progress-button:hover {
  background: var(--accent);
  color: #17110a;
}

.lesson-video {
  position: relative;
  width: 100%;
  margin: 16px 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid rgba(214, 168, 79, .24);
  background: #080a09;
  box-shadow:
    0 18px 44px rgba(0, 0, 0, .26),
    inset 0 0 0 1px rgba(245, 239, 228, .04);
}

.lesson-video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Courses rounded corners refinement */
.course-card,
.course-main,
.apply-card,
.empty-courses,
.course-message,
.lesson-card,
.homework-box,
.lesson-video,
.course-progress {
  border-radius: var(--radius-lg, 22px);
}

.course-card {
  overflow: hidden;
}

.lesson-card,
.homework-box {
  border-radius: var(--radius-md, 16px);
}

.course-card-top span,
.course-card-top strong,
.course-badges span,
.course-meta span {
  border-radius: var(--radius-pill, 999px);
}

.course-link,
.course-submit,
.lesson-progress-button,
.course-form input,
.course-form select {
  border-radius: var(--radius-pill, 999px);
}

.course-form textarea {
  border-radius: var(--radius-md, 16px);
}

.lesson-video iframe {
  border-radius: inherit;
}

/* Radius correction */
.course-card,
.course-main,
.apply-card,
.empty-courses,
.course-message,
.lesson-card,
.homework-box,
.lesson-video,
.course-progress {
  border-radius: 14px !important;
}

.course-link,
.course-submit,
.lesson-progress-button,
.course-form input,
.course-form select,
.course-form textarea {
  border-radius: 10px !important;
}

.course-card-top span,
.course-card-top strong,
.course-badges span,
.course-meta span {
  border-radius: 9px !important;
}


/* =========================================================
   Teachers
   ========================================================= */

.teacher-grid {
  align-items: stretch;
}

.teacher-card {
  overflow: hidden;
}

.teacher-photo,
.teacher-profile-photo {
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  background-color: rgba(214, 168, 79, .10);
}

.teacher-photo {
  min-height: 230px;
  border-bottom: 1px solid rgba(214, 168, 79, .18);
}

.teacher-profile-photo {
  width: 100%;
  min-height: 280px;
  margin-bottom: 20px;
  border: 1px solid rgba(214, 168, 79, .18);
  border-radius: 14px;
}

.teacher-photo-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(214, 168, 79, .55);
  font-size: 82px;
  font-weight: 900;
}

.teacher-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
}

.teacher-skills span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(214, 168, 79, .22);
  background: rgba(214, 168, 79, .07);
  color: var(--accent-soft);
  font-size: 13px;
  font-weight: 800;
  border-radius: 10px;
}

.teacher-skills-large span {
  min-height: 36px;
  padding: 0 13px;
  font-size: 14px;
}

.student-teacher-card,
.teacher-mini-card,
.teacher-request-row {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid rgba(214, 168, 79, .18);
  background: rgba(245, 239, 228, .035);
  border-radius: 14px;
}

.student-teacher-card {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.student-teacher-card h3,
.teacher-mini-card h3 {
  margin: 0 0 8px;
  color: var(--text);
  font-size: 22px;
}

.student-teacher-card h3 a,
.teacher-mini-card h3 a {
  color: var(--text);
  text-decoration: none;
}

.student-teacher-card h3 a:hover,
.teacher-mini-card h3 a:hover {
  color: var(--accent-soft);
}

.student-teacher-card p,
.teacher-mini-card p,
.teacher-request-row p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.teacher-mini-grid {
  display: grid;
  gap: 12px;
}

.teacher-request-row {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
}

.teacher-request-row span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid rgba(214, 168, 79, .24);
  color: var(--accent-soft);
  font-weight: 800;
  border-radius: 10px;
}

@media (max-width: 760px) {
  .student-teacher-card,
  .teacher-request-row {
    grid-template-columns: 1fr;
  }

  .teacher-photo {
    min-height: 190px;
  }
}