:root {
  --navy: #081426;
  --navy-soft: #10223d;
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --sky: #dbeafe;
  --ink: #13213a;
  --muted: #5f6f86;
  --line: #d9e2ef;
  --surface: #ffffff;
  --surface-soft: #f5f8fc;
  --gold: #f59e0b;
  --shadow: 0 18px 45px rgba(8, 20, 38, 0.1);
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.04em; }
h1 { max-width: 840px; margin-bottom: 22px; font-size: clamp(2.55rem, 5.8vw, 4.8rem); }
h2 { margin-bottom: 14px; font-size: clamp(2rem, 4vw, 3rem); }
h3 { margin-bottom: 8px; font-size: 1.08rem; }
p { color: var(--muted); }

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(217, 226, 239, 0.8);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.brand span { color: var(--blue); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-link,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 750;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.nav-link:hover,
.button:hover { transform: translateY(-1px); }

.button-primary {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.22);
}

.button-primary:hover { background: var(--blue-dark); }

.button-secondary {
  color: var(--navy);
  border: 1px solid var(--line);
  background: #fff;
}

.hero {
  overflow: hidden;
  padding: 96px 0 84px;
  color: #fff;
  background:
    radial-gradient(circle at 82% 16%, rgba(37, 99, 235, 0.45), transparent 28%),
    linear-gradient(135deg, var(--navy) 0%, var(--navy-soft) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  align-items: center;
  gap: 58px;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  color: #bfdbfe;
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-copy p {
  max-width: 720px;
  margin-bottom: 28px;
  color: #d8e4f5;
  font-size: 1.12rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero .button-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
}

.hero-panel {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.2);
}

.hero-panel strong {
  display: block;
  margin-bottom: 14px;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.clean-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.clean-list li {
  position: relative;
  padding: 10px 0 10px 28px;
}

.clean-list li::before {
  position: absolute;
  left: 0;
  color: #60a5fa;
  content: "+";
  font-weight: 900;
}

section { padding: 84px 0; }
.section-soft { background: var(--surface-soft); }

.section-heading {
  max-width: 780px;
  margin-bottom: 38px;
}

.section-heading p,
.card p,
.table-note { color: var(--muted); }

.grid {
  display: grid;
  gap: 20px;
}

.hub-grid,
.three-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.two-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.card {
  height: 100%;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 8px 28px rgba(8, 20, 38, 0.05);
}

.card p:last-child { margin-bottom: 0; }

.card-label {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--blue-dark);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.comparison-table {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow);
}

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

th, td {
  padding: 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

tr:last-child th,
tr:last-child td { border-bottom: 0; }

th {
  color: var(--navy);
  background: #f8fafc;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

td { color: var(--muted); }
td strong { color: var(--ink); }

.fit-panel {
  padding: clamp(30px, 5vw, 58px);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: 26px;
  background:
    radial-gradient(circle at 88% 8%, rgba(37, 99, 235, 0.12), transparent 24rem),
    #fff;
  box-shadow: var(--shadow);
}

.topic-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.topic-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--navy);
  background: #fff;
  font-weight: 800;
}

.cta {
  padding: 76px 0;
  color: #fff;
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  text-align: center;
}

.cta p {
  max-width: 690px;
  margin: 0 auto 26px;
  color: #dbeafe;
}

.cta .button-row { justify-content: center; }
.cta .button-primary { color: var(--blue-dark); background: #fff; }
.cta .button-secondary { color: #fff; border-color: rgba(255, 255, 255, 0.4); background: transparent; }

footer {
  padding: 32px 0;
  color: #b9c7da;
  background: #050d19;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

@media (max-width: 900px) {
  .hero-grid,
  .hub-grid,
  .three-grid,
  .two-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1120px); }
  .nav {
    min-height: auto;
    padding: 14px 0;
    align-items: flex-start;
  }
  .nav-links { justify-content: flex-end; }
  .nav-link {
    min-height: 38px;
    padding: 0 11px;
    font-size: 0.84rem;
  }
  .hero { padding: 72px 0 64px; }
  section { padding: 64px 0; }
  .button-row,
  .button { width: 100%; }
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}