:root {
  color-scheme: light dark;
  --bg: #f7f9fc;
  --card: rgba(255, 255, 255, 0.82);
  --text: #15171c;
  --muted: #5f6878;
  --line: rgba(21, 23, 28, 0.12);
  --blue: #246bfe;
  --green: #28c76f;
  --orange: #ff9f0a;
  --shadow: 0 24px 70px rgba(31, 41, 55, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #090b10;
    --card: rgba(22, 25, 32, 0.78);
    --text: #f5f7fb;
    --muted: #a8b1c2;
    --line: rgba(255, 255, 255, 0.13);
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(36, 107, 254, 0.15), transparent 30rem),
    radial-gradient(circle at 90% 20%, rgba(40, 199, 111, 0.12), transparent 26rem),
    var(--bg);
  line-height: 1.65;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0;
}

.mark {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border-radius: 10px;
  color: #fff;
  background: linear-gradient(135deg, #246bfe, #28c76f);
  box-shadow: 0 12px 28px rgba(36, 107, 254, 0.26);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
  font-weight: 650;
  font-size: 0.95rem;
}

.hero {
  display: grid;
  gap: 28px;
  padding: 56px 0 44px;
}

.hero-card,
.content-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.hero-card {
  padding: clamp(28px, 5vw, 56px);
}

.eyebrow {
  color: var(--blue);
  font-weight: 780;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

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

h1 {
  max-width: 780px;
  margin-top: 12px;
  font-size: clamp(2.8rem, 8vw, 6.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.lead {
  max-width: 760px;
  margin-top: 22px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2.4vw, 1.55rem);
  line-height: 1.35;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text);
  font-weight: 760;
  background: rgba(255, 255, 255, 0.42);
}

.button.primary {
  color: #fff;
  border-color: transparent;
  background: var(--blue);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.stat {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--card) 72%, transparent);
}

.stat strong {
  display: block;
  font-size: 1.04rem;
}

.stat span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.95rem;
}

.content-card {
  margin: 28px 0 56px;
  padding: clamp(24px, 4vw, 42px);
}

.content-card h1 {
  font-size: clamp(2.2rem, 6vw, 4rem);
}

.content-card h2 {
  margin-top: 34px;
  font-size: 1.35rem;
}

.content-card h3 {
  margin-top: 24px;
  font-size: 1.08rem;
}

.content-card p,
.content-card li {
  color: var(--muted);
}

.content-card p {
  margin-top: 12px;
}

.content-card ul {
  padding-left: 22px;
}

.date {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.95rem;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 26px 0 38px;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 760px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}