.coursesSection {
  min-height: 100vh;
  padding: 110px 0 120px;
  color: var(--text);
  position: relative;
  overflow-x: clip;
  isolation: isolate;
}

.coursesSection::before,
.coursesSection::after {
  content: "";
  position: fixed;
  inset: -10% -10% auto -10%;
  height: 120%;
  pointer-events: none;
  z-index: 0;
  filter: blur(70px);
  opacity: 0.28;
  mix-blend-mode: screen;
  animation: courses-glow 34s ease-in-out infinite;
  will-change: transform;
  background:
    radial-gradient(360px circle at 15% 20%, rgba(136, 70, 255, 0.45), transparent 60%),
    radial-gradient(420px circle at 60% 30%, rgba(81, 255, 190, 0.28), transparent 65%),
    radial-gradient(520px circle at 50% 70%, rgba(136, 70, 255, 0.25), transparent 60%);
}

.coursesSection::after {
  inset: auto -10% -20% -10%;
  height: 130%;
  opacity: 0.22;
  filter: blur(90px);
  animation: courses-glow 40s ease-in-out infinite reverse;
  background:
    radial-gradient(460px circle at 70% 50%, rgba(81, 255, 190, 0.25), transparent 65%),
    radial-gradient(380px circle at 30% 60%, rgba(136, 70, 255, 0.4), transparent 60%);
}

@keyframes courses-glow {
  0% {
    transform: translate3d(-3%, -2%, 0) scale(1.02);
  }
  50% {
    transform: translate3d(3%, 2%, 0) scale(1.05);
  }
  100% {
    transform: translate3d(-2%, 1.5%, 0) scale(1.03);
  }
}

.coursesContainer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}

.coursesHeader {
  text-align: center;
  margin-bottom: 40px;
}

.coursesHero {
  max-width: 1200px;
  margin: 0 auto 50px;
  padding: 0 32px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  position: relative;
  z-index: 1;
}

.coursesHeroContent h1 {
  font-size: 46px;
  margin: 16px 0 12px;
}

.coursesHeroContent p {
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 540px;
}

.heroActions {
  margin-top: 22px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.heroActions .btn-primary {
  background: linear-gradient(135deg, #3f5cff, #5b7cff);
  border: none;
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(63, 92, 255, 0.35);
}

.heroActions .btn-primary:hover {
  box-shadow: 0 16px 30px rgba(63, 92, 255, 0.45);
}

.heroStats {
  margin-top: 26px;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.heroStats div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--text-muted);
}

.heroStats strong {
  font-size: 20px;
  color: #ffffff;
}

.heroPanel {
  display: grid;
  gap: 16px;
}

.heroPanelCard {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow-md);
}

.heroPanelCard p {
  color: var(--text-muted);
  margin-bottom: 8px;
}

.heroPanelCard h3 {
  margin: 0 0 6px;
  font-size: 20px;
}

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

.coursesEyebrow {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(143, 119, 255, 0.35);
  background: rgba(143, 119, 255, 0.16);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.coursesHeader h1 {
  font-size: 44px;
  margin: 16px 0 10px;
}

.coursesHeader p {
  max-width: 680px;
  margin: 0 auto;
  color: var(--text-muted);
  line-height: 1.7;
}

.coursesGrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  padding-top: 4px;
}

.coursesSearchBar {
  position: sticky;
  top: 74px;
  z-index: 3;
  background: linear-gradient(180deg, rgba(6, 10, 24, 0.92), rgba(6, 10, 24, 0.6));
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  padding: 14px;
  margin: 0 auto 26px;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  backdrop-filter: blur(14px);
  box-shadow: 0 14px 30px rgba(5, 8, 14, 0.45);
}

.coursesSearch {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  padding: 8px 14px;
}

.coursesSearch input {
  width: 100%;
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 14px;
}

.coursesSearch input:focus {
  outline: none;
}

.coursesFilters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filterChip {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  font-size: 12px;
  cursor: pointer;
  transition: transform 0.2s ease, border 0.2s ease;
}

.filterChip.active {
  border-color: rgba(143, 119, 255, 0.55);
  background: rgba(143, 119, 255, 0.2);
}

.filterChip:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.4);
}

.courseCard {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: 20px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow-md);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border 0.25s ease;
}

.courseCard:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: var(--shadow-lg);
}

.courseTop {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.courseBadge {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(81, 255, 190, 0.14);
  border: 1px solid rgba(81, 255, 190, 0.3);
  color: #d8fff1;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.courseMeta {
  font-size: 12px;
  color: var(--text-muted);
}

.courseCard h3 {
  margin: 0;
  font-size: 20px;
}

.courseCard p {
  color: var(--text-muted);
  line-height: 1.6;
  font-size: 14px;
}

.courseMetaRow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
}

.courseTags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.courseTag {
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
  font-size: 11px;
  color: #ffffff;
}

.courseCard .btn-primary {
  height: 40px;
  font-size: 12.5px;
  width: 100%;
  background: linear-gradient(135deg, #3f5cff, #5b7cff);
  border: none;
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(63, 92, 255, 0.35);
}

.courseCard .btn-primary:hover {
  box-shadow: 0 16px 30px rgba(63, 92, 255, 0.45);
}

.coursesEmpty {
  margin-top: 24px;
  padding: 28px;
  text-align: center;
  border-radius: 18px;
  border: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.04);
}

.coursesEmpty p {
  color: var(--text-muted);
}

.statusText,
.errorText {
  margin-top: 14px;
  color: var(--text-muted);
  text-align: center;
}

.errorText {
  color: #ff9090;
}

.trustGrid {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.trustCard {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 18px;
}

.trustCard h4 {
  margin: 0 0 8px;
  font-size: 16px;
}

.trustCard p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.courseOverlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 6, 12, 0.7);
  backdrop-filter: blur(10px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2200;
  padding: 24px;
  overflow-y: auto;
  scrollbar-width: none;
}

.courseOverlay::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.courseOverlay.open {
  display: flex;
}

.courseModal {
  width: min(720px, 96vw);
  background: #090c16;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: modal-pop 0.25s ease;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
  scrollbar-width: none;
}

.courseModal::-webkit-scrollbar {
  width: 0;
  height: 0;
}

@keyframes modal-pop {
  from {
    transform: translateY(12px) scale(0.98);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

.modalHeader {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.modalHeader h2 {
  margin: 8px 0 10px;
  font-size: 28px;
}

.modalHeader p {
  color: var(--text-muted);
  line-height: 1.6;
}

.modalEyebrow {
  font-size: 12px;
  color: #8f77ff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.modalClose {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: #ffffff;
  font-size: 20px;
  cursor: pointer;
}

.modalStats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.modalStats div {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--text-muted);
}

.modalStats strong {
  font-size: 13px;
  color: #ffffff;
}

.modalContent h3 {
  margin-bottom: 10px;
}

.modalContent ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  color: var(--text-muted);
  line-height: 1.6;
}

.modalFooter {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
}

.modalFooter p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
  font-size: 13px;
}

.modalFooter .btn-primary {
  height: 42px;
  font-size: 13px;
  white-space: nowrap;
}

.modalForm {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.modalForm p {
  color: var(--text-muted);
  margin: 0;
}

.modalForm form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.formRow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.modalForm input,
.modalForm select,
.modalForm textarea {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 13px;
  color: #ffffff;
  font-family: inherit;
}

.modalForm select option {
  background: #0b0f1c;
  color: #ffffff;
}

.modalForm input:focus,
.modalForm select:focus,
.modalForm textarea:focus {
  outline: none;
  border-color: rgba(143, 119, 255, 0.7);
  box-shadow: 0 0 0 3px rgba(67, 40, 229, 0.2);
}

.modalForm .btn-primary {
  align-self: flex-end;
  height: 40px;
}

.formError {
  margin: 0;
  color: #ffb4b4;
  font-size: 12.5px;
}

.formSuccess {
  margin: 0;
  color: #b6f5d2;
  font-size: 12.5px;
}

.coursesFaq {
  margin-top: 60px;
  padding: 40px;
  border-radius: 22px;
  border: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: var(--shadow-md);
}

.coursesFaq h2 {
  text-align: center;
  margin-bottom: 28px;
}

.faqGrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.faqCard {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 18px;
  text-align: left;
  cursor: pointer;
  transition: border 0.2s ease, background 0.2s ease;
  color: #ffffff;
}

.faqCard:hover {
  border-color: rgba(255, 255, 255, 0.3);
}

.faqCard.open {
  border-color: rgba(143, 119, 255, 0.5);
  background: rgba(143, 119, 255, 0.12);
}

.faqHeader {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.faqHeader span {
  color: rgba(255, 255, 255, 0.75);
  font-size: 18px;
}

.faqCard h4 {
  margin: 0 0 8px;
  font-size: 16px;
  color: #ffffff;
}

.faqCard p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.6;
  display: none;
}

.faqCard.open p {
  display: block;
}

@media (max-width: 1100px) {
  .coursesGrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (max-width: 700px) {
  .coursesGrid {
    grid-template-columns: 1fr;
  }

  .coursesHeader h1 {
    font-size: 34px;
  }

  .modalHeader {
    flex-direction: column;
  }

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

  .modalFooter {
    flex-direction: column;
    align-items: flex-start;
  }

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

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

  .coursesSearchBar {
    top: 64px;
  }
}

@media (max-width: 600px) {
  .coursesContainer {
    padding: 0 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .coursesSection::before,
  .coursesSection::after {
    animation: none;
  }
}