:root {
  --navy: #071f49;
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --sky: #dbeafe;
  --text: #0b1220;
  --muted: #4b5f80;
  --line: rgba(37, 99, 235, 0.18);
  --card: rgba(255, 255, 255, 0.88);
  --shadow: 0 24px 80px rgba(7, 31, 73, 0.18);
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    linear-gradient(120deg, rgba(255,255,255,0.92), rgba(239,246,255,0.88)),
    url("/assets/statshelp-launch-preview.png") center / cover no-repeat fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 18%, rgba(37,99,235,0.10), transparent 30%),
    radial-gradient(circle at 78% 80%, rgba(37,99,235,0.12), transparent 32%);
}

.page-shell {
  position: relative;
  display: grid;
  place-items: center;
  min-height: calc(100vh - 64px);
  padding: 48px 18px 28px;
}

.hero-card {
  width: min(980px, 100%);
  text-align: center;
  padding: clamp(32px, 7vw, 72px);
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.78);
  border-radius: 34px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.brand-mark {
  color: var(--navy);
  width: 158px;
  height: 86px;
  margin: 0 auto 8px;
}

.brand-mark svg { width: 100%; height: 100%; }
.brand-mark rect { fill: var(--blue); opacity: 0.78; }

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--blue-dark);
}

h1 {
  margin: 0;
  font-size: clamp(4rem, 12vw, 7.6rem);
  line-height: 0.9;
  letter-spacing: -0.07em;
  color: var(--navy);
}

h1::after {
  content: "";
  display: block;
  width: 128px;
  height: 5px;
  margin: 22px auto 26px;
  border-radius: 999px;
  background: var(--blue);
}

h2 {
  margin: 0 auto 16px;
  max-width: 820px;
  font-size: clamp(1.8rem, 4vw, 3.1rem);
  line-height: 1.08;
  color: var(--navy);
}

.lead {
  max-width: 780px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  line-height: 1.65;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 34px auto;
  max-width: 850px;
}

.feature-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 72px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,0.72);
  color: var(--navy);
  font-weight: 800;
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--sky);
  color: var(--blue-dark);
  font-weight: 900;
}

.contact-line {
  margin: 0;
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  color: var(--navy);
  font-weight: 700;
}

.contact-line a {
  color: var(--blue-dark);
  text-decoration: none;
  border-bottom: 2px solid rgba(37,99,235,0.35);
}

.contact-line a:hover,
.contact-line a:focus {
  border-bottom-color: currentColor;
}

footer {
  position: relative;
  min-height: 64px;
  display: grid;
  place-items: center;
  padding: 16px;
  color: var(--muted);
  font-size: 0.95rem;
}

footer p { margin: 0; }

@media (max-width: 760px) {
  body { background-attachment: scroll; }
  .page-shell { padding-top: 24px; }
  .hero-card { border-radius: 24px; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 480px) {
  h1 { font-size: 3.8rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-item { min-height: 60px; }
}