:root {
  color-scheme: dark;
  --midnight: #060b1f;
  --deep-celestial: #0e1c45;
  --celestial: #1f428c;
  --celestial-bright: #326fd0;
  --luminous-gold: #f5c44a;
  --soft-gold: #ffe08f;
  --warm-white: #faf5e8;
  --secondary-text: #c9d1e6;
  --quiet-text: #a8b3cc;
  --card-surface: rgba(255, 255, 255, 0.075);
  --card-border: rgba(255, 255, 255, 0.14);
  --success: #61d49e;
  --warning: #ffab47;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.34);
  --radius-large: 2rem;
  --radius-medium: 1.25rem;
  --page-width: 72rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--midnight);
  scroll-behavior: smooth;
}

body {
  min-width: 20rem;
  margin: 0;
  color: var(--warm-white);
  background:
    radial-gradient(circle at 88% 8%, rgba(31, 66, 140, 0.34), transparent 30rem),
    radial-gradient(circle at 8% 92%, rgba(245, 196, 74, 0.09), transparent 28rem),
    linear-gradient(135deg, var(--midnight), var(--deep-celestial) 50%, var(--midnight));
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: var(--soft-gold);
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--warm-white);
}

:focus-visible {
  outline: 3px solid var(--soft-gold);
  outline-offset: 4px;
  border-radius: 0.2rem;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  color: var(--midnight);
  background: var(--soft-gold);
  border-radius: 999px;
  transform: translateY(-180%);
}

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

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--card-border);
  background: rgba(6, 11, 31, 0.84);
  backdrop-filter: blur(18px);
}

.header-inner,
.footer-inner,
.page-shell {
  width: min(calc(100% - 2rem), var(--page-width));
  margin-inline: auto;
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem 1.5rem;
  padding-block: 0.85rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--warm-white);
  font-weight: 760;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand img {
  width: 2.65rem;
  height: 2.65rem;
}

.brand-mark {
  color: var(--soft-gold);
  font-size: 0.72em;
  vertical-align: super;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: inline-block;
  padding: 0.55rem 0.75rem;
  color: var(--secondary-text);
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--warm-white);
  background: var(--card-surface);
}

.page-shell {
  padding-block: clamp(3.5rem, 8vw, 7rem);
}

.hero {
  display: grid;
  justify-items: center;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  text-align: center;
}

.hero-copy {
  max-width: 62rem;
}

.hero .lede {
  margin-inline: auto;
}

.hero .button-row {
  justify-content: center;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--soft-gold);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.08;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

h1 {
  margin-bottom: 1.35rem;
  font-size: clamp(2.8rem, 9vw, 6.6rem);
}

.interior h1 {
  max-width: 54rem;
  font-size: clamp(2.5rem, 7vw, 5rem);
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
}

h3 {
  font-size: 1.25rem;
}

.lede {
  max-width: 44rem;
  margin: 0;
  color: var(--secondary-text);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  color: var(--warm-white);
  background: var(--card-surface);
  font-weight: 760;
  text-decoration: none;
}

.button-primary {
  border-color: rgba(255, 224, 143, 0.72);
  color: var(--midnight);
  background: linear-gradient(135deg, var(--soft-gold), var(--luminous-gold));
  box-shadow: 0 12px 38px rgba(245, 196, 74, 0.2);
}

.button:hover {
  color: var(--warm-white);
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.12);
}

.button-primary:hover {
  color: var(--midnight);
  background: var(--warm-white);
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  order: -1;
  width: min(64vw, 20rem);
  aspect-ratio: 1;
  min-width: 0;
  min-height: 0;
  isolation: isolate;
}

.hero-visual picture {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  line-height: 0;
}

.hero-visual::before {
  position: absolute;
  z-index: -1;
  width: min(100%, 32rem);
  aspect-ratio: 1;
  content: "";
  border: 1px solid rgba(255, 224, 143, 0.18);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 196, 74, 0.13), rgba(31, 66, 140, 0.18) 48%, transparent 70%);
}

.hero-icon {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
  filter: drop-shadow(0 34px 46px rgba(0, 0, 0, 0.38));
}

.status-chip,
.course-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  width: fit-content;
  color: var(--soft-gold);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-chip::before,
.course-status::before {
  width: 0.5rem;
  height: 0.5rem;
  content: "";
  border-radius: 50%;
  background: var(--luminous-gold);
  box-shadow: 0 0 1rem rgba(245, 196, 74, 0.6);
}

.section {
  padding-block: clamp(3rem, 7vw, 6rem);
  border-top: 1px solid var(--card-border);
}

.section-heading {
  max-width: 46rem;
  margin-bottom: 2rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

.card,
.legal-section,
.notice {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-medium);
  background: var(--card-surface);
  box-shadow: var(--shadow);
}

.card {
  padding: clamp(1.3rem, 3vw, 2rem);
}

.card p,
.legal-section p,
.legal-section li {
  color: var(--secondary-text);
}

.number {
  display: block;
  margin-bottom: 1.2rem;
  color: var(--soft-gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.legal-stack {
  display: grid;
  gap: 1rem;
  max-width: 52rem;
  margin-top: 2.5rem;
}

.legal-section {
  padding: clamp(1.4rem, 4vw, 2.25rem);
}

.legal-section :last-child,
.card :last-child {
  margin-bottom: 0;
}

.notice {
  max-width: 52rem;
  margin-top: 2rem;
  padding: 1.2rem 1.35rem;
  border-color: rgba(255, 224, 143, 0.32);
}

.notice strong {
  color: var(--soft-gold);
}

.plain-list {
  padding-left: 1.25rem;
}

.plain-list li + li {
  margin-top: 0.6rem;
}

.site-footer {
  border-top: 1px solid var(--card-border);
  background: rgba(4, 8, 24, 0.56);
}

.footer-inner {
  display: grid;
  gap: 1rem;
  padding-block: 2rem;
  color: var(--quiet-text);
  font-size: 0.9rem;
}

.footer-inner p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1rem;
}

.footer-links a {
  color: var(--secondary-text);
}

@media (min-width: 48rem) {
  .grid-three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .course-grid .card:last-child {
    grid-column: 1 / -1;
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }
}

@media (max-width: 42rem) {
  .header-inner {
    align-items: flex-start;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
  }

  .site-nav ul {
    width: max-content;
  }

  .site-nav a {
    padding-inline: 0.62rem;
  }
}

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

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

@media (prefers-contrast: more) {
  :root {
    --secondary-text: #eef2ff;
    --quiet-text: #dbe3f8;
    --card-border: rgba(255, 255, 255, 0.36);
  }
}