:root {
  --gradient-background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --primary-color: #2563eb;
  --secondary-color: #64748b;
  --background-light: #ffffff;
  --background-dark: #f8fafc;
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-primary-dark: #f8fafc;
  --text-secondary-dark: rgba(248, 250, 252, 0.82);
  --accent: #06b6d4;
  --shadow: rgba(0, 0, 0, 0.1);
  --button-primary: #4f46e5;
  --button-primary-hover: #4338ca;
  --button-secondary-bg: rgba(255, 255, 255, 0.92);
  --button-secondary-border: rgba(79, 70, 229, 0.22);
  --button-shadow: 0 10px 24px rgba(79, 70, 229, 0.18);
  --button-shadow-hover: 0 14px 28px rgba(79, 70, 229, 0.22);
  --border-radius: 8px;
  --spacing-unit: 8px;
  --font-primary:
    "Satoshi", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-secondary:
    "Satoshi", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --hero-background: linear-gradient(135deg, #4c3f91 0%, #6d4aa8 100%);
}
.dark-mode-toggle {
  width: 100px;
  position: absolute;
  top: calc(var(--spacing-unit) * 3);
  left: calc(var(--spacing-unit) * 3);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  z-index: 10;
}
.toggler-container {
  width: 80px;
  height: 50px;
  border-radius: 60px;
  background-color: var(--secondary-color);
  padding: calc(var(--spacing-unit) * 0.5);
  display: flex;
  align-items: center;
  transition: background-color 0.3s ease;
}

.toggler {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: var(--background-light);
  margin-left: calc(var(--spacing-unit) * 0.5);
  transition:
    transform 0.3s ease,
    background-color 0.3s ease,
    box-shadow 0.3s ease;
}

#darkModeSwitch:checked + .toggler-container .toggler {
  transform: translateX(30px);
  background-color: var(--accent);
  box-shadow:
    0 0 10px var(--accent),
    0 0 20px var(--accent);
}

.mode {
  color: var(--text-primary);
  text-transform: uppercase;
  font-weight: 600;
  font-family: var(--font-primary);
  font-size: 12px;
  margin-top: calc(var(--spacing-unit) * 0.5);
}
body {
  font-family: var(--font-primary);
  color: var(--text-primary);
  background-color: var(--background-light);
  line-height:1.6;
  margin: 0;
  padding: 0;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

strong,
b {
  font-weight: 700;
}

.dark-mode {
  --bg: #0b0d12;
  --bg-section: #10141c;
  --bg-card: #171d27;
  --bg-card-hover: #1c2330;
  --text: #f3f4f6;
  --text-muted: #a7b0c0;
  --border: rgba(255, 255, 255, 0.08);
  --accent: #7c6cff;
  --accent-hover: #9388ff;
  --text-primary: var(--bg);
  --text-secondary: var(--bg-card);
  --text-primary-dark: var(--text);
  --text-secondary-dark: var(--text-muted);
  --button-primary: var(--accent);
  --button-primary-hover: var(--accent-hover);
  --button-shadow: 0 10px 26px rgba(124, 108, 255, 0.2);
  --button-shadow-hover: 0 16px 34px rgba(124, 108, 255, 0.26);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
  --bs-body-color: var(--text);
  --bs-emphasis-color: var(--text);
  --bs-emphasis-color-rgb: 248, 250, 252;
  --bs-heading-color: var(--text);
  background-color: var(--bg);
  color: var(--text);
}

.dark-mode :where(p, li, span) {
  color: inherit;
}

body.dark-mode .text-body-emphasis,
body.dark-mode h3.text-body-emphasis {
  color: var(--text-primary-dark);
}

.H1 {
  font-family: var(--font-secondary);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 0.98;
  padding-bottom: calc(var(--spacing-unit) * 5);
  color: rgba(255, 255, 255, 0.96);
  margin: 0;
  letter-spacing: 0;
}

.hero-subtitle {
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1.5rem, 2vw, 1.55rem);
  font-weight: 500;
  line-height: 1.45;
  margin: 0;
}

.container {
  padding-top: calc(var(--spacing-unit) * 20);
  padding-bottom: calc(var(--spacing-unit) * 10);
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.fr {
  background: var(--hero-background);
  border-bottom-left-radius: var(--border-radius);
  border-bottom-right-radius: var(--border-radius);
  box-shadow: 0 18px 44px rgba(76, 63, 145, 0.18);
}

.mid {
  padding: calc(var(--spacing-unit) * 7) 0;
  /* background-color: var(--background-light); */
}

.container2 {
  max-width: 1200px;
  margin: 0 auto;
  padding: calc(var(--spacing-unit) * 5) 0;
}
.second-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
  display: flex;
  justify-content: center;
  align-items: center;
}

.second-section > div {
  width: 100%;
}

.sc-section {
  padding: calc(var(--spacing-unit) * 5) calc(var(--spacing-unit) * 4);
  border-radius: var(--border-radius);
  transition:
    background-color 0.3s ease,
    transform 0.3s ease;
  overflow: hidden;
}



.container1 {
  max-width: 1220px;
  margin: 0 auto;
  display: grid;
  gap: calc(var(--spacing-unit) * 3);
}

.skills-grid {
  --bs-gutter-x: 0;
  --bs-gutter-y: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  align-items: stretch;
  gap: calc(var(--spacing-unit) * 4);
  margin-left: 0;
  margin-right: 0;
}

.skills-grid > .feature {
  width: 100%;
  max-width: none;
  height: 100%;
}

.about-card {
  display: grid;
  grid-template-columns: minmax(0, clamp(180px, 24vw, 240px)) 1fr;
  gap: calc(var(--spacing-unit) * 3);
  align-items: center;
  justify-items: center;
  text-align: left;
  gap: calc(var(--spacing-unit) * 10);
}

.about-copy {
  color: var(--text-primary);
}

.dark-mode .about-copy {
  color: var(--text-primary-dark);
}

.about-copy h3 {
  font-family: var(--font-secondary);
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 700;
  margin: 0 0 calc(var(--spacing-unit) * 1) 0;
  line-height: 1.05;
}

.about-intro {
  font-size: clamp(1rem, 1.25vw, 1.15rem);
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 60rem;
  margin: 0;
}

.dark-mode .about-intro {
  color: var(--text-secondary-dark);
}

.section-divider {
  width: 4rem;
  height: 3px;
  margin: 0 auto;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.9),
    rgba(255, 255, 255, 0.4)
  );
  border-radius: 99px;
  opacity: 0.7;
}

.per-img {
  border-radius: 50%;
  width: clamp(180px, 24vw, 240px);
  height: clamp(180px, 24vw, 240px);
  object-fit: cover;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.18);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
  border: 4px solid rgba(255, 255, 255, 0.16);
}

.per-img:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.22);
}

@media (max-width: 991.98px) {
  .skills-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .about-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-copy {
    text-align: center;
  }

  .section-divider {
    width: 3.5rem;
  }
}

@media (max-width: 576px) {
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .about-card {
    gap: calc(var(--spacing-unit) * 2);
  }

  .sc-section {
    padding: calc(var(--spacing-unit) * 4) calc(var(--spacing-unit) * 2);
  }

  .per-img {
    width: 160px;
    height: 160px;
  }

  .about-copy h3 {
    font-size: 2rem;
  }

  .about-intro {
    font-size: 1rem;
  }
}
.feature-icon {
  width: 4rem;
  height: 4rem;
  border-radius: var(--border-radius);
  background: var(--gradient-background);
  color: var(--background-light);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.feature-icon:hover {
  transform: rotate(5deg);
}
.btn {
  color: var(--background-light);
  border: none;
  border-radius: 999px;
  padding: calc(var(--spacing-unit) * 1.45) calc(var(--spacing-unit) * 3.5);
  font-weight: 700;
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.2;
  letter-spacing: 0.02em;
  transition:
    background 0.25s ease,
    box-shadow 0.25s ease,
    color 0.25s ease,
    transform 0.25s ease;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 46px;
  -webkit-tap-highlight-color: transparent;
}

.portfolio-btn {
  background: var(--button-primary);
  color: var(--background-light);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--button-shadow);
  position: relative;
  overflow: hidden;
}

.portfolio-btn:hover,
.portfolio-btn:focus-visible {
  background: var(--button-primary-hover);
  color: var(--background-light);
  transform: translateY(-2px);
  box-shadow: var(--button-shadow-hover);
}

.portfolio-btn:focus-visible {
  outline: 3px solid rgba(79, 70, 229, 0.28);
  outline-offset: 4px;
}

.portfolio-btn:active {
  transform: translateY(0) scale(0.99);
  box-shadow: 0 8px 18px rgba(79, 70, 229, 0.18);
}

.btn a {
  color: inherit;
  text-decoration: none;
  display: block;
}

.courses-preview {
  padding: calc(var(--spacing-unit) * 10) calc(var(--spacing-unit) * 2);
}

.courses-preview-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: calc(var(--spacing-unit) * 4);
  padding: calc(var(--spacing-unit) * 5);
  background:
    linear-gradient(135deg, rgba(84, 92, 131, 0.1), rgba(57, 107, 127, 0.08)),
    var(--background-light);
  border: 1px solid rgba(30, 41, 59, 0.1);
  border-radius: var(--border-radius);
  box-shadow: 0 18px 46px rgba(15, 23, 42, 0.1);
  overflow: hidden;
  transition:
    border-color 0.3s ease,
    box-shadow 0.3s ease,
    transform 0.3s ease;
}

.courses-preview-content:hover {
  border-color: rgba(6, 182, 212, 0.28);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.14);
}

.courses-preview-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: calc(var(--spacing-unit) * 2);
  max-width: 680px;
}

.courses-preview-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border-radius: 999px;
  padding: calc(var(--spacing-unit) * 0.75) calc(var(--spacing-unit) * 1.5);
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--primary-color);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
}

.courses-preview-title {
  font-family: var(--font-secondary);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.08;
}

.dark-mode .courses-preview-title {
  color: var(--text-primary-dark);
}

.courses-preview-text {
  max-width: 620px;
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
}

.dark-mode .courses-preview-text {
  color: var(--text-secondary-dark);
}

.courses-preview-visual {
  width: clamp(116px, 13vw, 156px);
  aspect-ratio: 1;
  border-radius: 28px;
  background: var(--gradient-background);
  color: var(--background-light);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 18px 38px rgba(37, 99, 235, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.24);
    
}

.courses-preview-icon {
  width: 58%;
  height: 58%;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.courses-hero {
  background: var(--gradient-background);
  color: var(--background-light);
  padding: calc(var(--spacing-unit) * 10) calc(var(--spacing-unit) * 2);
  position: relative;
  text-align: center;
}

.courses-hero-content {
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: calc(var(--spacing-unit) * 2);
}

.courses-home-link {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  text-decoration: none;
  transition:
    color 0.25s ease,
    text-underline-offset 0.25s ease;
}

.courses-home-link:hover {
  color: var(--background-light);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.courses-home-link:focus-visible,
.footer-nav-link:focus-visible,
.social-link:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.45);
  outline-offset: 4px;
}

.courses-page-title {
  font-family: var(--font-secondary);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin: 0;
}

.courses-page-subtitle {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.7;
  margin: 0;
}

.courses-hero .mode {
  color: var(--background-light);
}

.courses-page-main {
  background-color: var(--background-light);
  padding: calc(var(--spacing-unit) * 10) calc(var(--spacing-unit) * 2);
}

.courses-list {
  max-width: 1520px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 550px), 1fr));
  gap: calc(var(--spacing-unit) * 4);
}

.course-card {
  display: grid;
  grid-template-columns: minmax(144px, 188px) minmax(0, 1fr);
  grid-template-areas:
    "image date"
    "image content";
  align-items: start;
  column-gap: calc(var(--spacing-unit) * 2.5);
  row-gap: calc(var(--spacing-unit));
  background-color: var(--background-light);
  border: 1px solid rgba(30, 41, 59, 0.12);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 20px var(--shadow);
  padding: calc(var(--spacing-unit) * 2.5);
  transition:
    background-color 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s ease;
}

.course-card:hover {
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.14);
  transform: scale(1.015);
}

.course-image {
  grid-area: image;
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: contain;
  background-color: rgba(248, 250, 252, 0.72);
  border-radius: var(--border-radius);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}
.course-image2{
  grid-area: image;
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit:cover  ;
  background-color: rgba(248, 250, 252, 0.72);
  border-radius: var(--border-radius);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.course-content {
  grid-area: content;
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit));
}

.course-date {
  grid-area: date;
  align-self: start;
  justify-self: end;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
}

.dark-mode .course-date {
  color: var(--text-secondary-dark);
}

.course-title {
  font-family: var(--font-secondary);
  font-size: clamp(1.25rem, 1.8vw, 1.65rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  margin: 0;
}

.dark-mode .course-title {
  color: var(--text-primary-dark);
}

.course-description {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.55;
  margin: 0;
}

.dark-mode .course-description {
  color: var(--text-secondary-dark);
}

.low {
  background: var(--background-light);
  padding: calc(var(--spacing-unit) * 5) calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 12);

}

.low-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: calc(var(--spacing-unit) * 2);
}

.low-title {
  font-family: var(--font-secondary);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.dark-mode .low-title {
  color: var(--background-light);
}

.low-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin: 0;
  font-weight: 400;
}

.dark-mode .low-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

.cta-button {
  padding: calc(var(--spacing-unit) * 1.7) calc(var(--spacing-unit) * 4.5);
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.low h2 {
  font-family: var(--font-secondary);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: calc(var(--spacing-unit) * 2);
  color: var(--text-primary);
}

.dark-mode .low h2 {
  color: var(--background-light);
}

.low p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.dark-mode .low p {
  color: rgba(255, 255, 255, 0.8);
}
.footer {
  background: var(--gradient-background);
  padding: calc(var(--spacing-unit) * 6) 0;
}

.footer-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 calc(var(--spacing-unit) * 2);
}

.footer-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: calc(var(--spacing-unit) * 3);
}

.footer-copyright {
  flex: 0 1 auto;
}

.copyright-text {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.95);
  letter-spacing: 0.3px;
}

.footer-socials {
  display: flex;
  gap: calc(var(--spacing-unit) * 2);
  align-items: center;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.95);
  transition:
    background-color 0.25s ease,
    box-shadow 0.25s ease,
    color 0.25s ease,
    transform 0.25s ease;
  cursor: pointer;
  text-decoration: none;
}

.social-link:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.12);
  color: var(--background-light);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

.footer-page-links {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 2);
  flex-wrap: wrap;
}

.footer-nav-link {
  color: rgba(255, 255, 255, 0.95);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition:
    color 0.25s ease,
    text-underline-offset 0.25s ease,
    transform 0.25s ease;
}

.footer-nav-link:hover {
  color: var(--background-light);
  text-decoration: underline;
  text-underline-offset: 4px;
  transform: translateY(-2px);
}

@media (max-width: 576px) {
  .footer {
    padding: calc(var(--spacing-unit) * 4) 0;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: calc(var(--spacing-unit) * 2.5);
  }

  .footer-divider {
    margin-bottom: calc(var(--spacing-unit) * 3);
  }

  .copyright-text {
    font-size: 0.9rem;
  }
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease-out forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.beforeLow {
  padding: calc(var(--spacing-unit) * 10) 0;
}

.cont22 {
  background-color: var(--background-light);
  padding: calc(var(--spacing-unit) * 4);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 20px var(--shadow);
  margin-bottom: calc(var(--spacing-unit) * 6);
  transition: transform 0.3s ease;
}

.cont22:hover {
  transform: translateY(-5px);
}

.dark-mode .fr,
.dark-mode .courses-hero {
  background:
    radial-gradient(circle at 50% 35%, rgba(124, 108, 255, 0.14), transparent 32%),
    radial-gradient(circle at 50% 70%, rgba(6, 182, 212, 0.05), transparent 34%),
    linear-gradient(180deg, #0d1017 0%, #0b0d12 100%);
  box-shadow: none;
}

.dark-mode .H1,
.dark-mode .courses-page-title {
  color: var(--text);
}

.dark-mode .hero-subtitle,
.dark-mode .courses-page-subtitle {
  color: var(--text-muted);
}

.dark-mode .mid,
.dark-mode .courses-preview,
.dark-mode .courses-page-main,
.dark-mode .low,
.dark-mode .beforeLow {
  background-color: var(--bg);
}

.dark-mode .sc-section,
.dark-mode .feature,
.dark-mode .courses-preview-content,
.dark-mode .course-card,
.dark-mode .cont22 {
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.dark-mode .feature {
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: calc(var(--spacing-unit) * 3);
}

.dark-mode .courses-preview-content {
  background:
    radial-gradient(circle at 12% 18%, rgba(124, 108, 255, 0.1), transparent 30%),
    var(--bg-card);
}

.dark-mode .course-card:hover,
.dark-mode .cont22:hover,
.dark-mode .courses-preview-content:hover {
  background: var(--bg-card-hover);
  border-color: rgba(124, 108, 255, 0.22);
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.34);
}

.dark-mode .feature-icon,
.dark-mode .courses-preview-visual {
  background:
    radial-gradient(circle at 35% 25%, rgba(255, 255, 255, 0.18), transparent 28%),
    linear-gradient(135deg, rgba(124, 108, 255, 0.95), rgba(124, 108, 255, 0.64));
  box-shadow:
    0 14px 32px rgba(124, 108, 255, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.dark-mode .courses-preview-badge {
  background-color: rgba(124, 108, 255, 0.12);
  color: var(--accent-hover);
  border: 1px solid rgba(124, 108, 255, 0.18);
}

.dark-mode .course-image,
.dark-mode .course-image2 {
  background-color: rgba(255, 255, 255, 0.04);
  box-shadow: inset 0 0 0 1px var(--border);
}

.dark-mode .portfolio-btn {
  background: var(--accent);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: var(--button-shadow);
}

.dark-mode .portfolio-btn:hover,
.dark-mode .portfolio-btn:focus-visible {
  background: var(--accent-hover);
  box-shadow: var(--button-shadow-hover);
}

.dark-mode .portfolio-btn:focus-visible,
.dark-mode .courses-home-link:focus-visible,
.dark-mode .footer-nav-link:focus-visible,
.dark-mode .social-link:focus-visible {
  outline-color: rgba(124, 108, 255, 0.42);
}

.dark-mode .footer {
  background:
    radial-gradient(circle at 50% 18%, rgba(124, 108, 255, 0.12), transparent 36%),
    #0a0c11;
  border-top: 1px solid var(--border);
}

.dark-mode .footer-divider {
  background: var(--border);
}

.dark-mode .social-link {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text);
}

.dark-mode .social-link:hover {
  background: rgba(124, 108, 255, 0.14);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.28);
}
#progress {
  font-weight: 200;
  font-size: 0.5em;
}

@media (max-width: 768px) {
  .container {
    padding-top: calc(var(--spacing-unit) * 10);
    padding-bottom: calc(var(--spacing-unit) * 5);
  }

  .H1 {
    padding-bottom: calc(var(--spacing-unit) * 3);
  }

  .parag {
    padding: 0 calc(var(--spacing-unit) * 2);
  }

  .cont22 {
    flex-direction: column !important;
    text-align: center;
  }

  .cont22 img {
    width: 100%;
    max-width: 400px;
  }
}

@media (max-width: 768px) {
  .courses-hero {
    padding: calc(var(--spacing-unit) * 7) calc(var(--spacing-unit) * 2);
  }

  .courses-page-main,
  .courses-preview {
    padding: calc(var(--spacing-unit) * 7) calc(var(--spacing-unit) * 2);
  }

  .courses-preview-content {
    grid-template-columns: 1fr;
    padding: calc(var(--spacing-unit) * 4);
  }

  .courses-preview-copy {
    align-items: flex-start;
  }

  .courses-preview-visual {
    display: none;
  }

  .course-card {
    grid-template-columns: 1fr;
    grid-template-areas:
      "date"
      "image"
      "content";
    row-gap: calc(var(--spacing-unit) * 2);
    text-align: center;
  }

  .course-date {
    justify-self: center;
  }

  .course-content {
    align-items: center;
  }
}

@media (max-width: 576px) {
  .H1 {
    font-size: 2.35rem;
  }

  .per-img {
    width: 150px;
    height: 150px;
  }

  .parag {
    font-size: 1rem;
  }

  .feature-icon {
    width: 3rem;
    height: 3rem;
  }

  .btn {
    padding: calc(var(--spacing-unit)) calc(var(--spacing-unit) * 2);
    font-size: 0.9rem;
    min-height: 42px;
  }

  .low {
    padding: calc(var(--spacing-unit) * 8) calc(var(--spacing-unit) * 2);
  }

  .low-title {
    font-size: 1.75rem;
  }

  .low-subtitle {
    font-size: 1rem;
  }

  .cta-button {
    padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
    font-size: 0.95rem;
    width: 100%;
    max-width: 280px;
  }

  .courses-page-title {
    font-size: 2rem;
  }

  .courses-preview-title {
    font-size: 1.75rem;
  }

  .courses-preview-content {
    padding: calc(var(--spacing-unit) * 3);
  }

  .course-card {
    padding: calc(var(--spacing-unit) * 2);
  }

  .course-description {
    font-size: 1rem;
  }
}