/*
  Global styling strategy:
  - Keep the Microsoft Learn inspired dark theme
  - Use layered gradients and glass surfaces for depth
  - Add gentle motion so cards feel interactive without becoming noisy
  - Support both the index page and the dedicated detail page
*/

:root {
  --bg-start: #020817;
  --bg-mid: #071123;
  --bg-end: #0a1729;
  --surface: rgba(8, 15, 29, 0.74);
  --surface-strong: rgba(11, 20, 38, 0.94);
  --surface-alt: rgba(255, 255, 255, 0.04);
  --border: rgba(96, 180, 255, 0.18);
  --border-strong: rgba(96, 180, 255, 0.42);
  --text-primary: #f5f9ff;
  --text-secondary: #a7bad3;
  --accent: #5ee1ff;
  --accent-strong: #7c8cff;
  --accent-soft: rgba(94, 225, 255, 0.14);
  --accent-hot: #8b5cf6;
  --shadow-lg: 0 28px 70px rgba(0, 0, 0, 0.38);
  --shadow-md: 0 18px 44px rgba(0, 0, 0, 0.24);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

/* Base reset and the full-page background treatment. */
* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text-primary);
  font-family: 'Segoe UI', 'Segoe UI Variable', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(94, 225, 255, 0.2), transparent 28%),
    radial-gradient(circle at top right, rgba(124, 140, 255, 0.16), transparent 30%),
    linear-gradient(150deg, var(--bg-start), var(--bg-mid) 46%, var(--bg-end));
  padding-top: 94px;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 90%);
}

body::after {
  content: '';
  position: fixed;
  inset: auto -12% -8% auto;
  width: 46vw;
  height: 46vw;
  max-width: 760px;
  max-height: 760px;
  pointer-events: none;
  background: radial-gradient(circle, rgba(94, 225, 255, 0.16), rgba(94, 225, 255, 0.04) 34%, transparent 68%);
  filter: blur(24px);
  opacity: 0.7;
  animation: floatGlow 12s ease-in-out infinite alternate;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1200px, calc(100% - 24px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(7, 14, 29, 0.92), rgba(13, 23, 42, 0.84));
  border: 1px solid rgba(94, 225, 255, 0.22);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
  z-index: 60;
}

.site-header--home,
.site-header--fixed {
  flex-wrap: wrap;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.site-brand__icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}
.site-brand__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.site-brand__icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.site-brand__text {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(94, 225, 255, 0.12);
  flex-wrap: wrap;
  justify-content: center;
  min-width: 0;
}

.site-nav a,
.site-header__link {
  position: relative;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--text-secondary);
  font-weight: 700;
  min-width: max-content;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.site-nav a::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 7px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), #9bf9ff, var(--accent-strong));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-header__link:hover,
.site-header__link:focus-visible {
  color: var(--text-primary);
  background: linear-gradient(135deg, rgba(94, 225, 255, 0.14), rgba(139, 92, 246, 0.12));
  box-shadow: inset 0 0 0 1px rgba(155, 249, 255, 0.18), 0 0 0 4px rgba(94, 225, 255, 0.06);
  transform: translateY(-1px);
  outline: none;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.page-shell {
  width: min(1200px, calc(100% - 24px));
  margin: 0 auto;
  padding: 28px 0 56px;
  position: relative;
  z-index: 1;
}

.page-shell--home,
.page-shell--detail {
  scroll-margin-top: 110px;
}

.page-shell--detail {
  padding-bottom: 72px;
}

/* Shared glass surfaces for the hero, panels, cards, and sections. */
.hero__content,
.hero__panel,
.detail-hero,
.section-intro,
.catalog-section,
.roadmap-card,
.detail-section,
.detail-card,
.detail-summary {
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}

.hero,
.detail-hero {
  display: grid;
  gap: 24px;
  margin-bottom: 28px;
}

.hero {
  grid-template-columns: 1fr;
  align-items: stretch;
}

.hero__content,
.hero__panel,
.detail-hero,
.section-intro,
.detail-section,
.detail-summary {
  border-radius: var(--radius-xl);
  padding: 28px;
}

.eyebrow,
.section-label,
.roadmap-card__eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 700;
}

.hero h1,
.detail-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4.8vw, 4.3rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
  text-wrap: balance;
}

.hero__lead,
.detail-hero__lead,
.hero__panel p,
.section-copy,
.detail-section p,
.roadmap-card__description,
.detail-card__description,
.detail-card__duration,
.back-link {
  color: var(--text-secondary);
  line-height: 1.7;
}

.hero__lead,
.detail-hero__lead,
.section-copy {
  max-width: 64ch;
  margin: 18px 0 0;
  font-size: 1.05rem;
}

.hero__stats {
  display: grid;
  grid-template-columns: minmax(0, 320px);
  gap: 14px;
  margin-top: 26px;
}

.stat-card {
  padding: 16px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(94, 225, 255, 0.16), rgba(139, 92, 246, 0.12));
  border: 1px solid rgba(94, 225, 255, 0.28);
  animation: floatIn 520ms ease both;
  box-shadow: inset 0 0 0 1px rgba(155, 249, 255, 0.08), 0 0 0 1px rgba(94, 225, 255, 0.05);
}

.stat-card__value {
  display: block;
  font-size: clamp(2.2rem, 7vw, 4.4rem);
  font-weight: 800;
  line-height: 1;
}

.stat-card__label {
  display: block;
  margin-top: 10px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero__panel h2,
.section-intro h2,
.detail-section h2 {
  margin: 0;
}

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

.section-intro h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.detail-section__headline {
  margin-bottom: 10px;
}

.catalog-section {
  margin-top: 24px;
  padding: 28px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: rgba(10, 20, 36, 0.45);
  box-shadow: var(--shadow-md);
}

.catalog-section + .catalog-section {
  margin-top: 18px;
}

.roadmap-grid {
  display: grid;
  gap: 22px;
}

.roadmap-card {
  display: block;
  border-radius: 24px;
  overflow: hidden;
  position: relative;
  transform: translateY(0);
  transition: transform 300ms ease, border-color 300ms ease, box-shadow 300ms ease, background 300ms ease;
  animation: floatIn 520ms ease both;
}

.roadmap-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(94, 225, 255, 0.18), rgba(139, 92, 246, 0.12) 48%, transparent 74%);
  opacity: 0.7;
  pointer-events: none;
}

.roadmap-card::after {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: 23px;
  background: linear-gradient(135deg, rgba(94, 225, 255, 0.08), transparent 32%, rgba(124, 140, 255, 0.08));
  opacity: 0.75;
  pointer-events: none;
}

.roadmap-card:hover,
.roadmap-card:focus-visible {
  transform: translateY(-8px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-lg);
}

.roadmap-card:hover .roadmap-card__cta,
.roadmap-card:focus-visible .roadmap-card__cta {
  background: linear-gradient(135deg, rgba(94, 225, 255, 0.22), rgba(139, 92, 246, 0.2));
}

.roadmap-card:focus-visible,
.back-link:focus-visible,
.primary-button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(89, 168, 255, 0.18), var(--shadow-lg);
}

.roadmap-card__header,
.roadmap-card__meta,
.roadmap-card__preview,
.detail-card,
.detail-actions {
  position: relative;
  z-index: 1;
}

.roadmap-card__header {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 24px 24px 12px;
}

.roadmap-card__icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(94, 225, 255, 0.18), rgba(139, 92, 246, 0.16));
  border: 1px solid rgba(94, 225, 255, 0.22);
  box-shadow: inset 0 0 0 1px rgba(155, 249, 255, 0.08), 0 0 28px rgba(94, 225, 255, 0.08);
  color: #eefbff;
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.roadmap-card__content {
  min-width: 0;
}

.roadmap-card__title {
  margin: 0;
  font-size: 1.35rem;
  line-height: 1.18;
  text-wrap: balance;
}

.roadmap-card__subtitle {
  margin: 10px 0 0;
  color: #d9e8f8;
  font-size: 0.95rem;
  line-height: 1.55;
}

.roadmap-card__description {
  margin: 10px 0 0;
  max-width: 58ch;
}

.roadmap-card__cta {
  flex: 0 0 auto;
  align-self: start;
  padding: 10px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(88, 215, 255, 0.14), rgba(125, 255, 218, 0.1));
  color: #d8ebff;
  font-size: 0.84rem;
  font-weight: 700;
  border: 1px solid rgba(125, 255, 218, 0.28);
  box-shadow: 0 0 0 1px rgba(94, 225, 255, 0.08), 0 0 16px rgba(94, 225, 255, 0.14);
}

.roadmap-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0 24px 18px;
}

.roadmap-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0 24px 18px;
}

.roadmap-card__footer {
  display: flex;
  justify-content: flex-start;
  padding: 0 24px 24px;
}

.meta-tag {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(87, 216, 255, 0.18);
}

.meta-tag__label {
  color: var(--text-secondary);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.meta-tag__value {
  color: var(--text-primary);
  font-size: 0.84rem;
  font-weight: 700;
}

.roadmap-card__preview {
  padding: 0 24px 24px;
}

.roadmap-card__preview-label {
  margin: 0 0 10px;
  color: var(--text-primary);
  font-size: 0.92rem;
  font-weight: 700;
}

.roadmap-card__preview-list,
.outcomes-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.roadmap-card__preview-list {
  display: grid;
  gap: 10px;
}

.roadmap-card__preview-list li,
.outcome-pill {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(87, 216, 255, 0.18);
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.skill-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(88, 215, 255, 0.14), rgba(169, 119, 255, 0.12));
  border: 1px solid rgba(125, 255, 218, 0.22);
  box-shadow: inset 0 0 0 1px rgba(88, 215, 255, 0.08);
  color: var(--text-primary);
  font-size: 0.88rem;
  font-weight: 700;
}

.skill-chip--demand {
  background: linear-gradient(135deg, rgba(94, 225, 255, 0.18), rgba(124, 140, 255, 0.16));
}

.detail-hero {
  grid-template-columns: minmax(0, 1.5fr) minmax(260px, 0.78fr);
  align-items: start;
}

.detail-hero--anchored {
  scroll-margin-top: 110px;
}

.back-link {
  display: inline-flex;
  align-self: start;
  gap: 8px;
  margin-bottom: 4px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(87, 216, 255, 0.2);
  font-size: 0.92rem;
  width: fit-content;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.back-link:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  background: linear-gradient(135deg, rgba(88, 215, 255, 0.12), rgba(169, 119, 255, 0.1));
}

.detail-summary {
  display: grid;
  gap: 14px;
}

.detail-section__headline,
.detail-section__copy {
  margin: 0;
}

.detail-section__copy {
  color: var(--text-secondary);
  max-width: 52ch;
}

.reveal {
  animation: floatIn 560ms ease both;
}

.reveal:nth-child(2n) {
  animation-name: floatInAlt;
}

.detail-layout {
  display: grid;
  gap: 20px;
}

.section-heading {
  margin-bottom: 18px;
}

.detail-section {
  animation: floatIn 520ms ease both;
}

.outcomes-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.detail-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.detail-card {
  padding: 18px;
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  border: 1px solid rgba(87, 216, 255, 0.16);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
  animation: floatIn 520ms ease both;
}

.detail-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.detail-card__title {
  margin: 0 0 10px;
  font-size: 1rem;
}

.detail-card__duration {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(88, 215, 255, 0.14), rgba(125, 255, 218, 0.12));
  color: #e9fbff;
  font-size: 0.82rem;
  font-weight: 700;
  border: 1px solid rgba(125, 255, 218, 0.24);
}

.detail-card__description {
  margin: 0;
}

.detail-card--module {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.detail-actions {
  display: flex;
  justify-content: flex-start;
  padding-top: 4px;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 20px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #04111f;
  font-weight: 800;
  box-shadow: 0 16px 34px rgba(94, 225, 255, 0.22), 0 0 0 1px rgba(155, 249, 255, 0.12);
  transition: transform 300ms ease, box-shadow 300ms ease, filter 300ms ease, border-color 300ms ease;
  border: 1px solid rgba(125, 255, 218, 0.3);
}

.primary-button:hover {
  transform: translateY(-2px) scale(1.02);
  filter: brightness(1.04);
  box-shadow: 0 20px 42px rgba(94, 225, 255, 0.26), 0 0 0 1px rgba(139, 92, 246, 0.24), 0 0 24px rgba(94, 225, 255, 0.16);
}

.primary-button--compact {
  padding: 12px 18px;
}

.empty-state {
  padding: 28px;
  border-radius: var(--radius-xl);
  border: 1px dashed rgba(122, 176, 255, 0.28);
  color: var(--text-secondary);
  text-align: center;
  background: rgba(8, 17, 31, 0.62);
}

/* Smooth entrance animation for cards and sections. */
@keyframes floatIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.985);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatInAlt {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.99);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes floatGlow {
  from {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.55;
  }

  to {
    transform: translate3d(-2%, -3%, 0) scale(1.05);
    opacity: 0.9;
  }
}

/* Responsive adjustments keep both pages usable on smaller screens. */
@media (max-width: 960px) {
  .site-header {
    width: min(100% - 20px, 1180px);
    padding: 12px 14px;
  }

  .hero,
  .detail-hero,
  .section-intro {
    grid-template-columns: 1fr;
  }

  .site-nav {
    gap: 6px;
  }

  .site-nav a,
  .site-header__link {
    padding-inline: 10px;
  }

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

  .hero h1,
  .detail-hero h1 {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
  }

  .roadmap-card__header {
    grid-template-columns: 64px minmax(0, 1fr);
  }

  .roadmap-card__icon {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    font-size: 1.2rem;
  }

  .site-header__link {
    margin-inline-start: auto;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 18px;
  }

  .hero__content,
  .hero__panel,
  .detail-hero,
  .section-intro,
  .catalog-section,
  .detail-section,
  .detail-summary,
  .roadmap-card__header,
  .roadmap-card__meta,
  .roadmap-card__preview,
  .roadmap-card__tags,
  .roadmap-card__footer {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero h1,
  .detail-hero h1 {
    font-size: clamp(2rem, 11vw, 3rem);
  }

  .site-header {
    top: 10px;
    flex-wrap: wrap;
    border-radius: 24px;
  }

  .site-brand {
    flex: 1 1 auto;
  }

  .site-nav {
    flex: 1 1 100%;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .site-header__link {
    margin-inline-start: 0;
  }

  .roadmap-card__header {
    grid-template-columns: 1fr;
  }

  .roadmap-card__icon {
    width: 58px;
    height: 58px;
    border-radius: 16px;
  }
}
.roadmap-card__icon svg {
    width: 36px;
    height: 36px;
    stroke-width: 2;
}
.site-footer {
margin-top: 40px;
padding: 32px 24px;
text-align: center;
border-top: 1px solid rgba(96, 180, 255, 0.18);
}

.site-footer h3 {
margin-bottom: 12px;
}

.site-footer p {
color: var(--text-secondary);
margin: 6px 0;
}
@media (max-width: 768px) {

  .site-header {
    flex-direction: column;
    gap: 12px;
    padding: 16px;
  }

  .site-nav {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero {
    margin-top: 20px;
  }

  .hero h1 {
    font-size: 3rem;
    line-height: 1.1;
  }
}
.footer-logo {
  width: 64px;
  height: 64px;
  display: block;
  margin: 0 auto 12px;
}