@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Manrope:ital,wght@0,600;0,700;1,600&family=Poppins:wght@500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&family=Syne:wght@500;600;700&display=swap');

:root {
  --dl-brand-primary: #293238;
  --dl-brand-accent: #db2c1d;
  --dl-brand-secondary: #0f172a;
  --dl-brand-muted: #e5e7eb;
  --dl-body-bg: #f4f6f8;
  --dl-card-bg: #ffffff;
  --dl-radius-lg: 20px;
  --dl-shadow-soft: 0 24px 60px rgba(15, 23, 42, 0.08);
  --dl-shadow-strong: 0 30px 80px rgba(15, 23, 42, 0.18);
  --dl-transition: all 0.3s ease;
  --dl-text-muted: #64748b;
}

body.single-devlustro_course {
  background: linear-gradient(180deg, #f7f9fb 0%, #ffffff 100%);
  font-family: 'Neue Haas Grotesk Display', 'Aeonik', 'Inter', 'Manrope', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--dl-brand-secondary);
  letter-spacing: 0.01em;
}

body.single-devlustro_course h1,
body.single-devlustro_course h2,
body.single-devlustro_course h3,
body.single-devlustro_course h4 {
  font-family: 'Poppins', 'Syne', 'Space Grotesk', 'Manrope', sans-serif;
  font-weight: 600;
  letter-spacing: 0.015em;
}

body.single-devlustro_course h1 {
  font-size: clamp(2.6rem, 4.6vw, 3.2rem);
  text-transform: uppercase;
}

body.single-devlustro_course h2 {
  font-size: clamp(1.8rem, 3vw, 2.1rem);
  text-transform: uppercase;
}

body.single-devlustro_course h3 {
  font-size: clamp(1.3rem, 2.2vw, 1.6rem);
}

body.single-devlustro_course h4 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

@media (max-width: 640px) {
  body.single-devlustro_course h1 {
    font-size: 2rem;
    letter-spacing: 0.08em;
  }

  body.single-devlustro_course h2 {
    font-size: 1.4rem;
  }
}

.dl-page-wrapper {
  padding: 48px 20px 90px;
}

.dl-course-wrap {
  width: min(92%, 1280px);
  margin: 0 auto 24px;
  display: grid;
  grid-template-columns: 2fr 0.78fr;
  gap: 30px;
  align-items: start;
}

@media (max-width: 1080px) {
  .dl-course-wrap {
    grid-template-columns: 1fr;
  }

  .dl-core-highlights {
    left: 0;
    transform: none;
    width: 100%;
  }
}

.dl-course-main,
.dl-course-side {
  background: var(--dl-card-bg);
  border-radius: var(--dl-radius-lg);
  box-shadow: var(--dl-shadow-soft);
  border: 1px solid rgba(221, 227, 235, 0.7);
  padding: 32px;
  position: relative;
  overflow: visible;
}

.dl-course-side {
  overflow: hidden;
}

.dl-course-main::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(41, 50, 56, 0.08), transparent);
  opacity: 0.6;
  border-radius: inherit;
}

.dl-course-main > * {
  position: relative;
  z-index: 1;
}

.dl-course-hero-image {
  margin: 0 0 24px;
  border-radius: 28px;
  overflow: hidden;
  line-height: 0;
  box-shadow: 0 30px 60px rgba(15, 23, 42, 0.16);
}

.dl-course-hero-image img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.dl-course-side {
  padding: 28px 28px 32px;
  border-top: 6px solid var(--dl-brand-accent);
}

.dl-course-side__title {
  color: var(--dl-brand-primary);
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 22px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-style: italic;
}

.dl-side-box {
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px dashed rgba(148, 163, 184, 0.4);
  font-size: 0.97rem;
}

.dl-side-box:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.dl-course-side__cta {
  margin-top: 28px;
}

.dl-course-side__note {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--dl-text-muted);
}

.dl-related-courses {
  margin: 60px auto 0;
  width: min(92%, 1280px);
  background: var(--dl-card-bg);
  border-radius: 28px;
  padding: 32px;
  box-shadow: var(--dl-shadow-soft);
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.dl-related-courses__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.dl-related-courses__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.75rem;
  color: var(--dl-text-muted);
  margin-bottom: 6px;
}

.dl-related-courses__header h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2rem);
}

.dl-related-courses__link {
  text-decoration: none;
  font-weight: 600;
  color: var(--dl-brand-primary);
  border-bottom: 1px solid currentColor;
  padding-bottom: 4px;
}

.dl-related-courses__scroller {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 1fr);
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 10px;
  scrollbar-width: thin;
}

.dl-related-card {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 22px;
  overflow: hidden;
  background: #fff;
  display: flex;
  flex-direction: column;
  min-height: 360px;
}

.dl-related-card__media img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.dl-related-card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  flex: 1;
}

.dl-related-card__tag {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--dl-text-muted);
  margin: 0;
}

.dl-related-card__title {
  margin: 0;
  font-size: 1.1rem;
}

.dl-related-card__title a {
  text-decoration: none;
  color: inherit;
}

.dl-related-card__excerpt {
  margin: 0;
  color: var(--dl-text-muted);
  font-size: 0.95rem;
}

.dl-related-card__meta {
  display: flex;
  gap: 12px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--dl-text-muted);
}

.dl-related-card__link {
  margin-top: auto;
  text-decoration: none;
  font-weight: 600;
  color: var(--dl-brand-accent);
}

.dl-specialist-quote {
  margin: 32px 0 40px;
  padding: clamp(20px, 3vw, 28px);
  border-radius: 18px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #ffffff;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.dl-specialist-quote__eyebrow {
  margin: 0 0 8px;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dl-text-muted);
}

.dl-specialist-quote__quote {
  margin: 0 0 18px;
  padding: 0;
  border: none;
  font-size: 1.05rem;
  line-height: 1.7;
  font-weight: 500;
  color: var(--dl-brand-secondary);
}

.dl-specialist-quote__quote p {
  margin: 0 0 0.8em;
}

.dl-specialist-quote__quote p:last-child {
  margin-bottom: 0;
}

.dl-specialist-quote__author {
  margin: 0;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--dl-brand-primary);
}

.dl-specialist-quote__author span {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--dl-text-muted);
  margin-top: 4px;
}

@media (max-width: 820px) {
  .dl-specialist-quote {
    padding: 20px;
  }
}

.dl-button {
  border-radius: 999px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: var(--dl-transition);
  border: none;
  cursor: pointer;
  padding: 12px 26px;
  font-size: 1rem;
}

.dl-button--primary {
  background: linear-gradient(135deg, var(--dl-brand-primary), #1d2530);
  color: #fff;
  box-shadow: 0 18px 40px rgba(41, 50, 56, 0.28);
}

.dl-button--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 50px rgba(41, 50, 56, 0.34);
}

.dl-button--primary:disabled,
.dl-button--primary[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}


.dl-course-main h1 {
  font-size: clamp(2rem, 3.4vw, 2.6rem);
  margin-bottom: 28px;
  font-weight: 700;
  letter-spacing: 0.035em;
  text-transform: uppercase;
  position: relative;
  display: inline-block;
  color: var(--dl-brand-primary);
  background-image: linear-gradient(135deg, #12202a 0%, #293238 45%, #db2c1d 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.dl-course-main h1::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -12px;
  width: 96px;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--dl-brand-accent), #ff735c);
  box-shadow: 0 12px 28px rgba(219, 44, 29, 0.35);
}

.dl-course-intro {
  font-size: 1.05rem;
  color: var(--dl-text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
}

.dl-course-intro p:last-child {
  margin-bottom: 0;
}

.dl-course-section {
  margin: 42px 0;
  background: rgba(41, 50, 56, 0.03);
  border-radius: 24px;
  border: 1px solid rgba(41, 50, 56, 0.08);
  padding: 32px clamp(20px, 4vw, 40px);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
}

.dl-course-section:first-of-type {
  margin-top: 18px;
}

.dl-course-section__title {
  margin: 0 0 18px;
  font-size: 1.6rem;
  color: var(--dl-brand-primary);
  letter-spacing: 0.012em;
}

.dl-course-section__content {
  display: grid;
  gap: 14px;
  color: var(--dl-brand-primary);
  font-size: 1rem;
  line-height: 1.7;
}

.dl-course-section__content p:last-child {
  margin-bottom: 0;
}

.dl-check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.dl-check-list li {
  position: relative;
  padding-left: 36px;
  font-weight: 500;
  color: var(--dl-brand-primary);
}

.dl-check-list li::before {
  content: '';
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: var(--dl-brand-accent);
  position: absolute;
  left: 0;
  top: 2px;
  box-shadow: 0 8px 18px rgba(219, 44, 29, 0.3);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='white' viewBox='0 0 16 16'%3E%3Cpath d='M12.97 4.97a.75.75 0 0 0-1.06-1.06L6.5 9.31 4.09 6.9a.75.75 0 1 0-1.06 1.06l3 3a.75.75 0 0 0 1.06 0l5.88-5.88z'/%3E%3C/svg%3E") center/58% no-repeat;
}

.dl-custom-insert {
  margin: 52px 0;
  border-radius: 28px;
  padding: 40px clamp(22px, 4vw, 48px);
  background: radial-gradient(circle at top left, rgba(219, 44, 29, 0.12), transparent 55%), linear-gradient(135deg, rgba(41, 50, 56, 0.08), rgba(15, 23, 42, 0.45));
  border: 1px solid rgba(41, 50, 56, 0.2);
  box-shadow: 0 34px 68px rgba(15, 23, 42, 0.22);
  position: relative;
  overflow: hidden;
}

.dl-custom-insert::before {
  content: '';
  position: absolute;
  width: 240px;
  height: 240px;
  top: -120px;
  right: -80px;
  border-radius: 50%;
  background: rgba(219, 44, 29, 0.18);
  filter: blur(12px);
  opacity: 0.6;
}

.dl-custom-insert > * {
  position: relative;
  z-index: 1;
  color: #fff;
}

.dl-custom-insert :where(h2, h3, h4, h5) {
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.dl-custom-insert p {
  color: rgba(255, 255, 255, 0.86);
  line-height: 1.8;
  font-size: 1rem;
}

.dl-custom-insert a {
  color: #fff;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.dl-core-highlights {
  margin: 48px 0 56px;
}

.dl-core-highlights__container {
  background: linear-gradient(135deg, rgba(219, 44, 29, 0.08), rgba(41, 50, 56, 0.08));
  border-radius: var(--dl-radius-lg);
  padding: 36px clamp(24px, 5vw, 48px);
  border: 1px solid rgba(219, 44, 29, 0.2);
  box-shadow: var(--dl-shadow-soft);
}

.dl-core-highlights__title {
  margin: 0 0 28px;
  font-size: 1.65rem;
  color: var(--dl-brand-primary);
}

.dl-highlight-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.dl-highlight-chip {
  flex: 1 1 240px;
  min-width: 220px;
  background: #fff;
  border-radius: 20px;
  border: 1px solid rgba(41, 50, 56, 0.12);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.dl-highlight-chip__icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: rgba(219, 44, 29, 0.12);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.dl-highlight-chip__icon img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

.dl-highlight-chip__text {
  display: grid;
  gap: 4px;
}

.dl-highlight-chip__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dl-brand-primary);
}

.dl-highlight-chip__subtitle {
  font-size: 0.9rem;
  color: var(--dl-text-muted);
}

.dl-tabs {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 999px;
  background: rgba(41, 50, 56, 0.06);
  border: 1px solid rgba(41, 50, 56, 0.08);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.22), 0 14px 30px rgba(15, 23, 42, 0.12);
  margin-bottom: 28px;
}

.dl-tab-btn {
  border: none;
  background: transparent;
  color: var(--dl-brand-primary);
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 10px 24px;
  border-radius: 999px;
  cursor: pointer;
  transition: var(--dl-transition);
  position: relative;
  overflow: hidden;
  z-index: 0;
}

.dl-tab-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(41, 50, 56, 0.16), rgba(41, 50, 56, 0.08));
  opacity: 0;
  transition: var(--dl-transition);
  z-index: -1;
  pointer-events: none;
}

.dl-tab-btn:hover::after {
  opacity: 1;
}

.dl-tab-btn.active {
  color: #fff;
  box-shadow: 0 18px 34px rgba(41, 50, 56, 0.24);
}

.dl-tab-btn.active::after {
  opacity: 1;
  background: linear-gradient(135deg, var(--dl-brand-primary), #1d2530);
}

.dl-tab-panel {
  display: none;
  opacity: 0;
  transform: translateY(10px);
  transition: var(--dl-transition);
}

.dl-tab-panel.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.dl-syllabus {
  display: grid;
  gap: 16px;
}

.dl-syllabus__item {
  border: 1px solid rgba(41, 50, 56, 0.12);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 20px 44px rgba(15, 23, 42, 0.1);
  overflow: hidden;
  transition: var(--dl-transition);
}

.dl-syllabus__item[open] {
  border-color: rgba(219, 44, 29, 0.4);
  box-shadow: 0 30px 60px rgba(219, 44, 29, 0.16);
}

.dl-syllabus__item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 26px;
  cursor: pointer;
  position: relative;
}

.dl-syllabus__item summary::-webkit-details-marker {
  display: none;
}

.dl-syllabus__summary-text {
  display: flex;
  align-items: center;
  gap: 16px;
  font-weight: 600;
  color: var(--dl-brand-primary);
}

.dl-syllabus__index {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--dl-brand-accent), #ff755f);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.dl-syllabus__chevron {
  font-size: 1.1rem;
  color: var(--dl-brand-primary);
  transition: var(--dl-transition);
}

.dl-syllabus__item[open] .dl-syllabus__chevron {
  transform: rotate(180deg);
}

.dl-syllabus__body {
  padding: 0 26px 24px 26px;
  display: grid;
  gap: 16px;
  background: rgba(41, 50, 56, 0.03);
}

.dl-syllabus__intro {
  margin: 0;
  color: var(--dl-brand-primary);
  font-weight: 500;
  line-height: 1.6;
}

.dl-syllabus__topics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.dl-syllabus__topics li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid rgba(41, 50, 56, 0.08);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}

.dl-topic-index {
  font-weight: 700;
  color: var(--dl-brand-accent);
  letter-spacing: 0.02em;
}

.dl-topic-text {
  color: var(--dl-brand-primary);
  font-weight: 500;
  line-height: 1.5;
}

.dl-topic-icon {
  margin-left: auto;
  width: 22px;
  height: 22px;
  background: linear-gradient(135deg, var(--dl-brand-accent), #ff755f);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='white' viewBox='0 0 16 16'%3E%3Cpath d='m4.646 8.354 2.646 2.647 4.646-4.647-.708-.707L7.293 9.586 5.354 7.646l-.708.708z'/%3E%3C/svg%3E") center/contain no-repeat;
}

.dl-faq-list {
  display: grid;
  gap: 18px;
}

.dl-faq-item {
  border-radius: 20px;
  border: 1px solid rgba(41, 50, 56, 0.12);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 22px 48px rgba(15, 23, 42, 0.1);
  padding: 22px clamp(20px, 3vw, 30px);
}

.dl-faq-item__question {
  margin: 0 0 12px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dl-brand-primary);
  letter-spacing: 0.012em;
}

.dl-faq-item__answer {
  color: var(--dl-brand-primary);
  line-height: 1.6;
}

.dl-custom-insert ul {
  list-style: none;
  padding-left: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 10px;
}

.dl-custom-insert ul li {
  position: relative;
  padding-left: 26px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}

.dl-custom-insert ul li::before {
  content: '';
  position: absolute;
  top: 0.55em;
  left: 0;
  width: 16px;
  height: 16px;
  background-color: #fff;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='black' viewBox='0 0 16 16'%3E%3Cpath d='M6.00039 10.1996L3.30039 7.49961L2.33372 8.46628L6.00039 12.1329L14.0004 4.13294L13.0337 3.16628L6.00039 10.1996Z'/%3E%3C/svg%3E") center/contain no-repeat;
  opacity: 0.9;
}

.dl-demo-insert {
  margin: 48px 0 56px;
  padding: clamp(32px, 5vw, 52px);
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(219, 44, 29, 0.92), rgba(41, 50, 56, 0.94));
  border: 1px solid rgba(233, 238, 245, 0.25);
  box-shadow: 0 38px 70px rgba(15, 23, 42, 0.32);
  position: relative;
  overflow: hidden;
}

.dl-demo-insert::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.16), transparent 55%);
  pointer-events: none;
}

.dl-demo-insert > * {
  position: relative;
  z-index: 1;
  color: #ffffff;
}

.dl-demo-insert h2,
.dl-demo-insert h3,
.dl-demo-insert h4 {
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.dl-demo-insert p {
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.8;
}

.dl-demo-insert a {
  color: #ffe7e4;
  font-weight: 600;
}

.dl-demo-insert ul {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.dl-demo-insert ul li {
  position: relative;
  padding-left: 28px;
}

.dl-demo-insert ul li::before {
  content: "";
  position: absolute;
  top: 0.5em;
  left: 0;
  width: 16px;
  height: 16px;
  background-color: rgba(255, 255, 255, 0.9);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='white' viewBox='0 0 16 16'%3E%3Cpath d='M6.00039 10.1996L3.30039 7.49961L2.33372 8.46628L6.00039 12.1329L14.0004 4.13294L13.0337 3.16628L6.00039 10.1996Z'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* =====================
   Auth Cards
===================== */
.dl-auth-card {
  max-width: 720px;
  margin: 32px auto;
  padding: 24px;
  border-radius: 16px;
  background: #ffffff;
  border: 1px solid rgba(41, 50, 56, 0.08);
  box-shadow: 0 18px 36px rgba(15, 23, 42, 0.08);
}

.dl-auth-card h3 {
  margin: 0 0 12px;
  color: #0f172a;
}

.dl-auth-form p {
  margin: 0 0 14px;
}

.dl-auth-form input[type="text"],
.dl-auth-form input[type="email"],
.dl-auth-form input[type="password"],
.dl-auth-form input[type="tel"] {
  width: 100% !important;
  border: 1px solid var(--dl-brand-muted);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.95rem;
}

.dl-auth-panel .dl-auth-form p {
  width: 100% !important;
  max-width: 100% !important;
}

.dl-auth-panel .dl-auth-form input {
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box;
  display: block;
}

.dl-auth-panel .dl-auth-form button {
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box;
  display: block;
}

.dl-auth-panel .dl-auth-form > * {
  width: 100% !important;
  max-width: 100% !important;
}

.dl-auth-panel .dl-auth-form label {
  display: block;
  width: 100% !important;
}

.dl-auth-panel .dl-auth-form label input[type="checkbox"] {
  width: auto !important;
  max-width: none !important;
  display: inline-block !important;
  margin-right: 8px;
}

.dl-auth-panel .dl-auth-form label:has(input[type="checkbox"]) {
  display: inline-flex !important;
  align-items: center;
  gap: 8px;
  width: auto !important;
  max-width: none !important;
}

.dl-auth-form input:focus {
  outline: none;
  border-color: var(--dl-brand-accent);
  box-shadow: 0 0 0 3px rgba(219, 44, 29, 0.15);
}

.dl-auth-alert {
  margin: 0 0 12px;
  padding: 12px 14px;
  border-radius: 12px;
  font-weight: 600;
  border: 1px solid;
}

.dl-auth-alert--error {
  background: rgba(219, 44, 29, 0.12);
  color: #7f1d1d;
  border-color: rgba(219, 44, 29, 0.4);
}

.dl-auth-alert--success {
  background: rgba(34, 197, 94, 0.12);
  color: #166534;
  border-color: rgba(34, 197, 94, 0.4);
}

.dl-auth-link {
  color: var(--dl-brand-primary);
  font-weight: 600;
  text-decoration: none;
}

.dl-auth-link--btn {
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
}

.dl-auth-link:hover {
  color: var(--dl-brand-accent);
}

.dl-auth-footer {
  margin: 8px 0 0;
  color: var(--dl-text-muted);
  font-size: 0.95rem;
}

.dl-auth-toast {
  margin: 0 0 12px;
  padding: 12px 14px;
  border-radius: 12px;
  font-weight: 700;
  border: 1px solid;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.12);
}

.dl-auth-toast--error {
  background: rgba(219, 44, 29, 0.12);
  color: #7f1d1d;
  border-color: rgba(219, 44, 29, 0.4);
}

.dl-auth-toast--success {
  background: rgba(34, 197, 94, 0.12);
  color: #166534;
  border-color: rgba(34, 197, 94, 0.4);
}

.dl-auth-tabs {
  display: inline-flex;
  gap: 6px;
  margin: 0 0 12px;
  background: rgba(41, 50, 56, 0.06);
  border-radius: 999px;
  padding: 6px;
}

.dl-auth-tab {
  border: none;
  background: transparent;
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 700;
  color: var(--dl-brand-primary);
  cursor: pointer;
}

.dl-auth-tab--active {
  background: linear-gradient(135deg, var(--dl-brand-primary), #1d2530);
  color: #fff;
  box-shadow: 0 12px 22px rgba(41, 50, 56, 0.2);
}

.dl-auth-card {
  width: 100% !important;
  max-width: 100% !important;
}

.dl-auth-panels {
  width: 100% !important;
  max-width: 100% !important;
}

.dl-auth-panel {
  width: 100% !important;
  max-width: 100% !important;
}

.dl-auth-form {
  width: 100% !important;
  max-width: none !important;
  display: block !important;
}

.dl-sticky-enroll {
  position: fixed;
  z-index: 999;
  pointer-events: none;
}

.dl-sticky-enroll__card,
.dl-sticky-enroll__bar-content {
  pointer-events: auto;
}

.dl-sticky-enroll--side {
  display: none;
  right: clamp(5px, 2vw, 32px);
  top: 80%;
  transform: translateY(-50%);
}

.dl-sticky-enroll__card {
  width: 320px;
  max-width: 80vw;
  background: #ffffff;
  border-radius: 24px;
  box-shadow: var(--dl-shadow-strong);
  border: 1px solid rgba(15, 23, 42, 0.08);
  padding: 24px;
  display: grid;
  gap: 10px;
}

.dl-sticky-enroll__eyebrow {
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--dl-brand-accent);
  margin: 0;
}

.dl-sticky-enroll__title {
  margin: 0;
  font-size: 1.1rem;
  color: var(--dl-brand-secondary);
}

.dl-sticky-enroll__meta {
  margin: 0;
  font-size: 0.9rem;
  color: var(--dl-text-muted);
}

.dl-sticky-enroll__action {
  width: 100%;
  justify-content: center;
}

.dl-sticky-enroll__note {
  margin: 0;
  font-size: 0.85rem;
  color: var(--dl-text-muted);
}

.dl-sticky-enroll--bar {
  display: none;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
  background: rgba(41, 50, 56, 0.95);
  backdrop-filter: blur(12px);
}

.dl-sticky-enroll__bar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}

.dl-sticky-enroll--bar .dl-sticky-enroll__eyebrow {
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.16em;
}

.dl-sticky-enroll--bar .dl-sticky-enroll__title {
  color: #ffffff;
  font-size: 1rem;
}

.dl-sticky-enroll--bar .dl-sticky-enroll__action {
  flex-shrink: 0;
  min-width: 140px;
}

@media (min-width: 768px) {
  .dl-sticky-enroll--side {
    display: block;
  }

  .dl-sticky-enroll--bar {
    display: none;
  }
}

@media (max-width: 767px) {
  .dl-sticky-enroll--side {
    display: none;
  }

  .dl-sticky-enroll--bar {
    display: block;
  }
}

.dl-enroll-modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  z-index: 9999;
  transition: opacity 0.3s ease;
}

.dl-enroll-modal[hidden] {
  display: none;
}

.dl-enroll-dialog {
  background: #ffffff;
  border-radius: 28px;
  padding: clamp(28px, 5vw, 40px);
  max-width: 520px;
  width: 100%;
  position: relative;
  box-shadow: 0 40px 85px rgba(15, 23, 42, 0.28);
}

.dl-enroll-close {
  position: absolute;
  top: 14px;
  right: 18px;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--dl-brand-primary);
  transition: transform 0.2s ease;
}

.dl-enroll-close:hover {
  transform: scale(1.1);
}

.dl-enroll-title {
  margin: 0 0 10px;
  font-size: 1.8rem;
  color: var(--dl-brand-primary);
}

.dl-enroll-lead {
  margin: 0 0 22px;
  color: var(--dl-text-muted);
  line-height: 1.6;
}

.dl-enroll-form-group {
  margin-bottom: 16px;
  display: grid;
  gap: 6px;
}

.dl-enroll-form-group label {
  font-weight: 600;
  color: var(--dl-brand-primary);
  letter-spacing: 0.02em;
}

.dl-enroll-form-group input,
.dl-enroll-form-group textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(41, 50, 56, 0.12);
  padding: 12px 14px;
  font-size: 0.95rem;
  transition: var(--dl-transition);
}

.dl-enroll-form-group input:focus,
.dl-enroll-form-group textarea:focus {
  outline: none;
  border-color: var(--dl-brand-primary);
  box-shadow: 0 0 0 4px rgba(41, 50, 56, 0.12);
}

.dl-enroll-disclaimer {
  font-size: 0.85rem;
  color: var(--dl-text-muted);
  line-height: 1.5;
  margin-bottom: 18px;
}

[data-dl-enroll-feedback] {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: 12px;
  font-weight: 600;
  display: inline-block;
  letter-spacing: 0.02em;
}

[data-dl-enroll-feedback][data-type="success"] {
  background: rgba(34, 197, 94, 0.12);
  color: #166534;
  border: 1px solid rgba(34, 197, 94, 0.2);
}

[data-dl-enroll-feedback][data-type="error"] {
  background: rgba(219, 44, 29, 0.12);
  color: #7f1d1d;
  border: 1px solid rgba(219, 44, 29, 0.2);
}

.dl-enroll-modal-open {
  overflow: hidden;
}

/* =====================
   Course Categories
===================== */
.dl-course-category {
  margin: 40px auto;
  max-width: 1200px;
  padding: 0 20px;
}

.dl-course-category--empty {
  text-align: center;
  font-size: 1.05rem;
  color: #4b5563;
  margin: 32px auto;
}

.dl-course-category__grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.dl-course-category__card {
  background: #ffffff;
  border-radius: 16px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  padding: 24px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.dl-course-category__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
}

.dl-course-category__card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}

.dl-course-category__title {
  margin: 0;
  font-size: 1.2rem;
  color: #0f172a;
  letter-spacing: 0.02em;
}

.dl-course-category__count {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--dl-brand-accent);
  font-weight: 700;
}

.dl-course-category__description {
  color: #4b5563;
  font-size: 0.95rem;
  line-height: 1.6;
}

.dl-course-category__description p {
  margin: 0 0 12px;
}

.dl-course-category__courses {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.dl-course-category__courses li a {
  color: var(--dl-brand-accent);
  font-weight: 600;
  text-decoration: none;
}

.dl-course-category__courses li a:hover {
  color: var(--dl-brand-primary);
  text-decoration: underline;
}

.dl-course-category__footer {
  margin-top: auto;
}

.dl-course-category__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--dl-brand-primary);
  text-decoration: none;
  letter-spacing: 0.05em;
}

.dl-course-category__link:hover {
  color: var(--dl-brand-accent);
}

/* =====================
   Course Catalog
===================== */
.dl-course-catalog {
  display: grid;
  gap: 24px;
  grid-template-columns: 280px 1fr;
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
}

.dl-course-catalog--empty {
  text-align: center;
  font-size: 1.05rem;
  color: #4b5563;
  margin: 32px auto;
}

.dl-course-catalog__sidebar {
  background: var(--dl-card-bg);
  border-radius: var(--dl-radius-lg);
  border: 1px solid rgba(41, 50, 56, 0.12);
  padding: 24px;
  display: grid;
  gap: 20px;
  height: fit-content;
  position: sticky;
  top: 30px;
  box-shadow: var(--dl-shadow-soft);
}

.dl-course-catalog__filter label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dl-text-muted);
  margin-bottom: 6px;
}

.dl-course-catalog__search,
.dl-course-catalog__select {
  width: 100%;
  border: 1px solid var(--dl-brand-muted);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 0.95rem;
  transition: var(--dl-transition);
  background: #fff;
  color: var(--dl-brand-secondary);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.dl-course-catalog__search:focus,
.dl-course-catalog__select:focus {
  outline: none;
  border-color: var(--dl-brand-accent);
  box-shadow: 0 0 0 4px rgba(219, 44, 29, 0.18);
}

.dl-course-catalog__select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  font-weight: 600;
  padding-right: 44px;
  background-image:
    linear-gradient(135deg, #ffffff 0%, #f8fafc 100%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23293238' viewBox='0 0 24 24'%3E%3Cpath d='M5.47 9.47a.75.75 0 0 1 1.06 0L12 14.94l5.47-5.47a.75.75 0 0 1 1.06 1.06l-6 6a.75.75 0 0 1-1.06 0l-6-6a.75.75 0 0 1 0-1.06Z'/%3E%3C/svg%3E");
  background-repeat: no-repeat, no-repeat;
  background-size: auto, 14px 14px;
  background-position: left top, right 14px center;
  cursor: pointer;
}

.dl-course-catalog__select:hover {
  border-color: var(--dl-brand-primary);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.12);
}

.dl-course-catalog__content {
  display: grid;
  gap: 20px;
}

.dl-course-catalog__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}

.dl-course-catalog__title {
  margin: 0;
  font-size: 1.5rem;
  color: #0f172a;
}

.dl-course-catalog__count {
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  color: var(--dl-text-muted);
  text-transform: uppercase;
}

.dl-course-catalog__results {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.dl-course-catalog__empty {
  background: #fff;
  border-radius: var(--dl-radius-lg);
  border: 1px dashed rgba(219, 44, 29, 0.4);
  padding: 32px;
  text-align: center;
  color: var(--dl-text-muted);
  font-size: 1rem;
}

.dl-course-card {
  background: var(--dl-card-bg);
  border-radius: var(--dl-radius-lg);
  border: 1px solid rgba(41, 50, 56, 0.12);
  box-shadow: var(--dl-shadow-soft);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: var(--dl-transition);
}

.dl-course-card.is-hidden {
  display: none;
}

.dl-course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--dl-shadow-strong);
}

.dl-course-card__image img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.dl-course-card__body {
  padding: 20px 22px 24px;
  display: grid;
  gap: 14px;
}

.dl-course-card__title {
  margin: 0;
  font-size: 1.2rem;
  color: var(--dl-brand-primary);
}

.dl-course-card__title a {
  text-decoration: none;
  color: inherit;
}

.dl-course-card__title a:hover {
  color: var(--dl-brand-accent);
}

.dl-course-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.dl-course-card__tag {
  background: rgba(219, 44, 29, 0.12);
  color: var(--dl-brand-accent);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.dl-course-card__excerpt {
  margin: 0;
  color: var(--dl-text-muted);
  line-height: 1.6;
  font-size: 0.95rem;
}

.dl-course-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: rgba(41, 50, 56, 0.85);
}

.dl-course-card__meta-item strong {
  color: var(--dl-brand-primary);
  margin-right: 4px;
}

.dl-course-card__cta {
  margin-top: auto;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--dl-brand-primary), #1d2530);
  color: #fff;
  border-radius: 999px;
  padding: 10px 22px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: var(--dl-transition);
}

.dl-course-card__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(41, 50, 56, 0.28);
}

@media (max-width: 960px) {
  .dl-course-catalog {
    grid-template-columns: 1fr;
  }

  .dl-course-catalog__sidebar {
    position: static;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    box-shadow: none;
  }
}

@media (max-width: 640px) {
  .dl-course-catalog__sidebar {
    grid-template-columns: 1fr;
  }

  .dl-course-catalog__header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .dl-page-wrapper {
    padding: 32px 16px 60px;
  }

  .dl-course-wrap {
    width: 100%;
    gap: 20px;
  }

  .dl-course-main,
  .dl-course-side {
    padding: 24px;
  }

  .dl-course-section {
    margin: 28px 0;
    padding: 24px 20px;
  }

  .dl-core-highlights__container {
    padding: 28px 20px;
  }

  .dl-highlight-strip {
    flex-direction: column;
    gap: 14px;
  }

  .dl-highlight-chip {
    min-width: 100%;
    padding: 16px 18px;
  }

  .dl-tabs {
    width: 100%;
    justify-content: space-between;
  }

  .dl-tab-btn {
    flex: 1 1 auto;
    text-align: center;
    padding: 10px 16px;
  }

  .dl-syllabus__item summary {
    padding: 18px 20px;
  }

  .dl-syllabus__body {
    padding: 0 20px 20px 20px;
  }

  .dl-custom-insert {
    padding: 32px 24px;
    margin: 36px 0;
  }

  .dl-demo-insert {
    padding: 28px 24px;
    margin: 32px 0 40px;
  }

  .dl-course-category__card {
    padding: 20px;
  }

  .dl-course-category__grid {
    gap: 18px;
  }

  .dl-course-card__body {
    padding: 18px 18px 22px;
  }

  .dl-specialist-quote {
    padding: 24px 20px;
  }

  .dl-enroll-dialog {
    padding: 26px 22px;
  }
}

@media (max-width: 520px) {
  .dl-page-wrapper {
    padding: 24px 12px 44px;
  }

  .dl-course-main,
  .dl-course-side {
    padding: 20px 18px;
  }

  .dl-course-section {
    margin: 20px 0;
    padding: 18px 16px;
  }

  .dl-course-main h1 {
    font-size: clamp(1.8rem, 6vw, 2.2rem);
    letter-spacing: 0.03em;
  }

  .dl-highlight-chip {
    padding: 14px;
  }

  .dl-tabs {
    padding: 6px;
    gap: 6px;
  }

  .dl-tab-btn {
    padding: 8px 10px;
    font-size: 0.9rem;
  }

  .dl-syllabus__index {
    width: 38px;
    height: 38px;
    font-size: 0.9rem;
  }

  .dl-syllabus__topics li {
    padding: 10px 12px;
  }

  .dl-custom-insert {
    margin: 28px 0;
    padding: 24px 18px;
  }

  .dl-demo-insert {
    padding: 24px 18px;
  }

  .dl-enroll-dialog {
    padding: 22px 18px;
  }
}


.dl-demo-insert {
  margin: 48px 0 56px;
  padding: clamp(32px, 5vw, 52px);
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(219, 44, 29, 0.92), rgba(41, 50, 56, 0.94));
  border: 1px solid rgba(233, 238, 245, 0.25);
  box-shadow: 0 38px 70px rgba(15, 23, 42, 0.32);
  position: relative;
  overflow: hidden;
}

.dl-demo-insert::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.16), transparent 55%);
  pointer-events: none;
}

.dl-demo-insert > * {
  position: relative;
  z-index: 1;
  color: #ffffff;
}

.dl-demo-insert h2,
.dl-demo-insert h3,
.dl-demo-insert h4 {
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.dl-demo-insert p {
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.8;
}

.dl-demo-insert a {
  color: #ffe7e4;
  font-weight: 600;
}

.dl-demo-insert ul {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.dl-demo-insert ul li {
  position: relative;
  padding-left: 28px;
}

.dl-demo-insert ul li::before {
  content: "";
  position: absolute;
  top: 0.5em;
  left: 0;
  width: 16px;
  height: 16px;
  background-color: rgba(255, 255, 255, 0.9);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='white' viewBox='0 0 16 16'%3E%3Cpath d='M6.00039 10.1996L3.30039 7.49961L2.33372 8.46628L6.00039 12.1329L14.0004 4.13294L13.0337 3.16628L6.00039 10.1996Z'/%3E%3C/svg%3E") center/contain no-repeat;
}