:root {
  --bg: #eef3f8;
  --card: rgba(255, 255, 255, 0.82);
  --card-border: rgba(28, 44, 68, 0.10);
  --text: #142033;
  --muted: #53627a;
  --accent: #1f71d9;
  --accent-soft: rgba(31, 113, 217, 0.12);
  --success: #0f8f5f;
  --warning: #c97815;
  --shadow: 0 18px 42px rgba(21, 34, 52, 0.08);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(31, 113, 217, 0.12), transparent 30%),
    linear-gradient(180deg, #f4f7fb 0%, #edf2f7 100%);
  color: var(--text);
  font-family: "SF Pro Display", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
}

a {
  color: var(--accent);
}

.shell {
  width: min(980px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 54px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f5cc0, #3c87e6);
  color: #fff;
  box-shadow: 0 12px 28px rgba(31, 113, 217, 0.28);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.links a {
  text-decoration: none;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(28, 44, 68, 0.08);
  padding: 10px 14px;
  border-radius: 999px;
}

.hero,
.panel {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero {
  padding: 34px;
  margin-bottom: 22px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

h1,
h2,
h3 {
  margin: 0 0 12px;
  line-height: 1.1;
}

h1 {
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  max-width: 12ch;
}

h2 {
  font-size: clamp(1.4rem, 2.8vw, 2rem);
}

h3 {
  font-size: 1rem;
}

p,
li {
  color: var(--muted);
  line-height: 1.68;
  font-size: 1rem;
}

.hero p {
  max-width: 70ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid transparent;
  font-weight: 700;
}

.button.primary {
  background: linear-gradient(135deg, #105dc1, #3380e1);
  color: #fff;
  box-shadow: 0 14px 28px rgba(31, 113, 217, 0.22);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(28, 44, 68, 0.10);
  color: var(--text);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}

.panel {
  padding: 26px;
}

.span-4 {
  grid-column: span 4;
}

.span-6 {
  grid-column: span 6;
}

.span-12 {
  grid-column: span 12;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat strong {
  font-size: 1.6rem;
  color: var(--text);
}

.callout {
  border-left: 4px solid var(--accent);
  padding-left: 14px;
}

.warning {
  border-left-color: var(--warning);
}

.success {
  border-left-color: var(--success);
}

ul {
  padding-left: 18px;
  margin: 0;
}

.footer {
  margin-top: 28px;
  text-align: center;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 860px) {
  .span-4,
  .span-6 {
    grid-column: span 12;
  }

  .hero,
  .panel {
    padding: 22px;
  }
}