:root {
  --ink: #061942;
  --blue: #123a8c;
  --red: #df1436;
  --paper: #ffffff;
  --soft: #f3f6fb;
  --line: #d8e0ee;
  --muted: #657493;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #f8faff 0%, #eef3fb 100%);
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.25rem;
  text-decoration: none;
}

.brand img {
  border-radius: 12px;
}

nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 0.92rem;
}

nav a {
  padding: 7px 10px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--muted);
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--blue);
  background: #edf3ff;
}

main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
  gap: 24px;
  align-items: center;
  padding: clamp(48px, 8vw, 92px) 0 34px;
}

.hero h1 {
  margin: 0;
  max-width: 820px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.45rem, 6vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero p {
  max-width: 720px;
  margin: 22px 0 0;
  color: #304061;
  font-size: 1.12rem;
}

.eyebrow,
.panel-label {
  margin: 0 0 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  font-size: 0.78rem;
}

.cta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.primary-cta,
.secondary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 900;
  text-decoration: none;
}

.primary-cta {
  color: #fff;
  background: var(--red);
  box-shadow: 0 12px 26px rgba(223, 20, 54, 0.22);
}

.secondary-cta {
  color: var(--blue);
  background: #eaf1ff;
}

.hero-panel,
.info-card,
.word-sample,
.level-links,
.final-cta {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(6, 25, 66, 0.08);
}

.hero-panel {
  padding: 24px;
}

.hero-panel ul,
.info-card ul {
  margin: 0;
  padding-left: 20px;
}

.hero-panel li,
.info-card li {
  margin: 8px 0;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 22px 0;
}

.info-card {
  padding: 24px;
}

.info-card h2,
.section-heading h2,
.final-cta h2 {
  margin: 0 0 12px;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.15;
}

.word-sample,
.level-links,
.final-cta {
  margin: 22px 0;
  padding: 24px;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}

th,
td {
  padding: 13px 12px;
  text-align: left;
  border-bottom: 1px solid #edf1f8;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.level-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.level-grid a {
  display: block;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 900;
  background: var(--soft);
}

.level-grid a:hover {
  border-color: var(--blue);
  color: var(--blue);
}

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

.final-cta {
  text-align: center;
  padding: 34px 24px;
}

.final-cta p {
  margin: 0 auto 22px;
  max-width: 640px;
  color: var(--muted);
}

footer {
  width: min(1120px, calc(100% - 32px));
  margin: 26px auto 42px;
  color: var(--muted);
  font-size: 0.92rem;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

footer p {
  margin: 0;
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

  .hero,
  .content-grid,
  .level-grid,
  .guide-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 36px;
  }
}