:root {
  color-scheme: light;
  --page-bg: #eef1f5;
  --panel-bg: rgba(251, 252, 254, 0.96);
  --panel-border: rgba(24, 32, 43, 0.1);
  --text-main: #18202b;
  --text-muted: #5d6878;
  --accent: #4562d9;
  --accent-strong: #3149b8;
  --accent-soft: rgba(69, 98, 217, 0.12);
  --shadow: 0 24px 56px rgba(24, 32, 43, 0.08);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(69, 98, 217, 0.12), transparent 36%),
    linear-gradient(180deg, #f7f8fb 0%, var(--page-bg) 100%);
  color: var(--text-main);
}

a {
  color: inherit;
}

.landing-shell {
  width: min(980px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

.hero,
.section {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.hero {
  display: grid;
  gap: 18px;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.05;
}

.lede {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
}

.button {
  background: var(--accent);
  color: #fff;
}

.button:hover {
  background: var(--accent-strong);
}

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

.section-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  border-radius: 18px;
  padding: 18px;
  background: #fff;
  border: 1px solid rgba(24, 32, 43, 0.08);
}

.card h3 {
  margin-bottom: 8px;
}

.card p,
.faq-item p {
  color: var(--text-muted);
  line-height: 1.65;
}

.bullet-list {
  padding-left: 18px;
  color: var(--text-muted);
  line-height: 1.75;
}

.stack {
  display: grid;
  gap: 18px;
}

.faq-item {
  padding: 18px 0;
  border-top: 1px solid rgba(24, 32, 43, 0.08);
}

.faq-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.section + .section,
.hero + .section {
  margin-top: 22px;
}

.footer-note {
  margin-top: 18px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

@media (max-width: 720px) {
  .landing-shell {
    width: min(100vw - 24px, 980px);
    padding: 28px 0 44px;
  }

  .hero,
  .section {
    padding: 22px;
    border-radius: 20px;
  }
}