:root {
  --azure: #0078d4;
  --azure-dark: #005a9e;
  --azure-light: #deecf9;
  --navy: #0f172a;
  --ink: #242424;
  --muted: #5b5b5b;
  --surface: #ffffff;
  --surface-alt: #f5f5f5;
  --line: #d1d1d1;
  --success: #107c10;
  --max-width: 1200px;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
}

body {
  color: var(--ink);
  background: var(--surface);
  font-family: "Segoe UI", "Segoe UI Variable", Arial, sans-serif;
  line-height: 1.6;
}

a {
  color: var(--azure-dark);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid #ffb900;
  outline-offset: 3px;
}

.container {
  max-width: var(--max-width);
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 1100;
  padding: 10px 16px;
  color: #fff;
  background: var(--navy);
  transform: translateY(-150%);
}

.skip-link:focus {
  color: #fff;
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
}

.site-nav {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 0.95rem;
  text-decoration: none;
}

.brand:hover {
  color: var(--ink);
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 600;
}

.brand-divider {
  width: 1px;
  height: 24px;
  background: #8a8886;
}

.brand-product {
  overflow: hidden;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.microsoft-mark {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}

.microsoft-mark span:nth-child(1) {
  background: #f25022;
}

.microsoft-mark span:nth-child(2) {
  background: #7fba00;
}

.microsoft-mark span:nth-child(3) {
  background: #00a4ef;
}

.microsoft-mark span:nth-child(4) {
  background: #ffb900;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a {
  position: relative;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  background: var(--azure);
  content: "";
  transform: scaleX(0);
  transition: transform 160ms ease;
}

.nav-links a:hover::after,
.nav-links a[aria-current="true"]::after {
  transform: scaleX(1);
}

.nav-toggle {
  width: 42px;
  height: 42px;
  display: none;
  border: 0;
  background: transparent;
}

.nav-toggle-line {
  width: 22px;
  height: 2px;
  display: block;
  margin: 5px auto;
  background: var(--ink);
  transition: transform 180ms ease, opacity 180ms ease;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(72px, 9vw, 132px) 0;
  color: #fff;
  background:
    radial-gradient(circle at 85% 15%, rgba(80, 230, 255, 0.22), transparent 27%),
    linear-gradient(125deg, #00188f 0%, #004e8c 47%, #0078d4 100%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.24) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.24) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to right, transparent, #000 55%);
}

.eyebrow,
.section-label {
  margin: 0 0 16px;
  color: var(--azure-dark);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #8bdcff;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(3rem, 6.4vw, 5.9rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.hero-lead {
  max-width: 690px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.12rem, 1.7vw, 1.38rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  margin-top: 34px;
}

.btn {
  border-radius: 2px;
  font-weight: 600;
}

.btn-primary {
  border-color: #fff;
  color: #00188f;
  background: #fff;
}

.btn-primary:hover,
.btn-primary:focus {
  border-color: #f3f2f1;
  color: #00188f;
  background: #f3f2f1;
}

.text-link {
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}

.text-link:hover {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 5px;
}

.text-link span {
  margin-left: 5px;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin: 48px 0 0;
}

.hero-facts div {
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.45);
}

.hero-facts dt {
  color: #8bdcff;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-facts dd {
  margin: 4px 0 0;
  font-weight: 600;
}

.solution-card {
  overflow: hidden;
  color: var(--ink);
  background: #fff;
  box-shadow: var(--shadow);
}

.solution-card-header {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
  font-weight: 700;
}

.live-indicator {
  color: var(--success);
}

.live-indicator span {
  width: 8px;
  height: 8px;
  display: inline-block;
  margin-right: 5px;
  border-radius: 50%;
  background: var(--success);
}

.solution-flow {
  margin: 0;
  padding: 14px 24px 24px;
  list-style: none;
}

.solution-flow li {
  position: relative;
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  padding: 18px 0;
}

.solution-flow li:not(:last-child)::after {
  position: absolute;
  top: 60px;
  bottom: -3px;
  left: 22px;
  width: 1px;
  background: #b3d6f2;
  content: "";
}

.flow-number {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--azure);
  font-size: 0.74rem;
  font-weight: 700;
}

.solution-flow strong,
.solution-flow small {
  display: block;
}

.solution-flow strong {
  margin-top: 1px;
  font-size: 0.98rem;
}

.solution-flow small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.78rem;
}

.section {
  padding: clamp(76px, 9vw, 124px) 0;
}

.section-intro {
  border-bottom: 1px solid var(--line);
}

.section h2,
.outcomes-section h2 {
  margin: 0;
  font-size: clamp(2.25rem, 4vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.section-lead {
  max-width: 820px;
  margin: 0;
  color: #323130;
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  line-height: 1.45;
}

.value-card {
  height: 100%;
  padding: 26px 0 0;
  border-top: 3px solid var(--azure);
}

.value-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  color: #fff;
  background: var(--azure);
  font-size: 0.78rem;
  font-weight: 700;
}

.value-card h3 {
  margin: 0 0 9px;
  font-size: 1.15rem;
  font-weight: 650;
}

.value-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.curriculum-section {
  background: var(--surface-alt);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 70px;
  align-items: end;
  margin-bottom: 56px;
}

.section-heading > p {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.day-card {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.28fr);
  margin-top: 24px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.day-summary {
  padding: clamp(28px, 4vw, 48px);
  color: #fff;
  background: var(--navy);
}

.day-card:nth-of-type(3) .day-summary {
  background: var(--azure-dark);
}

.day-number {
  display: inline-block;
  margin-bottom: 54px;
  color: #8bdcff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.day-date {
  margin: 0 0 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.85rem;
}

.day-summary h3 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 3.1vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.day-summary > p:last-child {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.topic-card {
  min-height: 230px;
  padding: clamp(24px, 3vw, 38px);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.topic-card:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.topic-card > span,
.outcome-grid article > span {
  color: var(--azure);
  font-size: 0.74rem;
  font-weight: 700;
}

.topic-card h4 {
  margin: 30px 0 10px;
  font-size: 1.22rem;
  font-weight: 650;
}

.topic-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.outcomes-section {
  padding: clamp(76px, 9vw, 124px) 0;
  color: #fff;
  background: #002050;
}

.section-label-light {
  color: #8bdcff;
}

.outcomes-copy {
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.08rem;
}

.outcome-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  border-left: 1px solid rgba(255, 255, 255, 0.3);
}

.outcome-grid article {
  min-height: 190px;
  padding: 30px;
  border-right: 1px solid rgba(255, 255, 255, 0.3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.outcome-grid article > span {
  color: #8bdcff;
}

.outcome-grid h3 {
  max-width: 240px;
  margin: 40px 0 0;
  font-size: 1.35rem;
  font-weight: 600;
}

.readiness-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.readiness-card {
  min-height: 250px;
  padding: 28px;
  border: 1px solid var(--line);
  background: #fff;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.readiness-card:hover {
  border-color: var(--azure);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
}

.readiness-code {
  min-width: 46px;
  display: inline-block;
  padding: 5px 8px;
  color: #fff;
  background: var(--azure);
  font-size: 0.72rem;
  font-weight: 700;
  text-align: center;
}

.readiness-card h3 {
  margin: 45px 0 12px;
  font-size: 1.15rem;
  font-weight: 650;
}

.readiness-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.readiness-note {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.9fr);
  gap: 60px;
  align-items: center;
  margin-top: 50px;
  padding: 36px 40px;
  border-left: 5px solid #ffb900;
  background: #fff4ce;
}

.readiness-note h3 {
  margin: 0;
  font-size: 1.45rem;
}

.readiness-note p {
  margin: 0;
  color: #4b453b;
}

.readiness-note .section-label {
  margin-bottom: 8px;
  color: #8a5700;
}

.site-footer {
  padding: 46px 0;
  color: rgba(255, 255, 255, 0.78);
  background: #1b1a19;
}

.footer-layout {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
}

.footer-brand {
  color: #fff;
}

.footer-brand:hover {
  color: #fff;
}

.site-footer p {
  margin: 12px 0 0;
  font-size: 0.9rem;
}

.footer-meta {
  display: grid;
  gap: 4px;
  font-size: 0.85rem;
  text-align: right;
}

.error-page {
  min-height: 100vh;
  color: #fff;
  background: linear-gradient(135deg, #00188f, #0078d4);
}

.error-layout {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.error-layout > div {
  max-width: 680px;
}

.error-code {
  color: #8bdcff;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.error-layout h1 {
  margin: 20px 0;
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 600;
  letter-spacing: -0.04em;
}

.error-layout p {
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.2rem;
}

@media (max-width: 991.98px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 64px;
    right: 0;
    left: 0;
    display: none;
    padding: 12px max(24px, calc((100vw - 936px) / 2));
    border-bottom: 1px solid var(--line);
    background: #fff;
  }

  .nav-links.is-open {
    display: grid;
  }

  .nav-links a {
    padding: 12px 0;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(4) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .section-heading,
  .day-card,
  .readiness-note {
    grid-template-columns: 1fr;
  }

  .section-heading {
    gap: 24px;
  }

  .readiness-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767.98px) {
  .brand-product,
  .brand-divider {
    display: none;
  }

  .hero {
    padding-top: 64px;
  }

  .hero-facts,
  .topic-grid,
  .outcome-grid,
  .readiness-grid {
    grid-template-columns: 1fr;
  }

  .hero-facts {
    gap: 12px;
  }

  .hero-facts div {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 15px;
  }

  .topic-card {
    min-height: auto;
    border-bottom: 1px solid var(--line);
  }

  .topic-card:nth-last-child(2) {
    border-bottom: 1px solid var(--line);
  }

  .readiness-card {
    min-height: 210px;
  }

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

  .footer-meta {
    text-align: left;
  }
}

@media (max-width: 420px) {
  .hero h1 {
    font-size: 2.55rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .solution-card-header {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 16px;
  }

  .readiness-note {
    padding: 28px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}