:root {
  color-scheme: dark;
  --bg: #060914;
  --ink: #f7fbff;
  --muted: #aab6d3;
  --brand: #4687ff;
  --brand-strong: #72a4ff;
  --purple: #7c4dff;
  --green: #5ef0b6;
  --line: rgba(255, 255, 255, .14);
  --card: rgba(255, 255, 255, .075);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% -8%, rgba(70, 135, 255, .34), transparent 30%),
    radial-gradient(circle at 90% 12%, rgba(124, 77, 255, .28), transparent 30%),
    linear-gradient(180deg, #0e1538 0%, #080b18 46%, #04050b 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .92), transparent 76%);
}

main {
  width: min(100%, 1040px);
  margin: 0 auto;
  padding: clamp(34px, 7vw, 92px) 20px;
}

a {
  color: #d9e6ff;
  font-weight: 900;
  text-decoration: none;
  transition: color .16s ease, background .16s ease, border-color .16s ease, transform .16s ease;
}

a:hover {
  color: #fff;
}

img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  box-shadow: 0 0 34px rgba(70, 135, 255, .42);
}

.card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(26px, 5vw, 54px);
  background:
    radial-gradient(circle at 88% 12%, rgba(70, 135, 255, .2), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .045));
  box-shadow: 0 28px 90px rgba(0, 0, 0, .36);
  backdrop-filter: blur(18px);
}

.card::before {
  content: "";
  position: absolute;
  top: -160px;
  right: -160px;
  width: 420px;
  height: 420px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(70, 135, 255, .24), transparent 68%);
  pointer-events: none;
}

span {
  display: inline-flex;
  width: fit-content;
  margin-top: 22px;
  border: 1px solid rgba(70, 135, 255, .36);
  border-radius: 999px;
  padding: 8px 12px;
  color: #cfe0ff;
  background: rgba(70, 135, 255, .12);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  max-width: 880px;
  margin-top: 16px;
  font-size: clamp(36px, 6vw, 62px);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-top: 34px;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.15;
}

p,
li {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

p {
  margin-top: 18px;
}

ol {
  display: grid;
  gap: 11px;
  margin: 18px 0 0;
  padding-left: 24px;
}

li::marker {
  color: var(--brand-strong);
  font-weight: 900;
}

p a,
li a {
  color: #d9e6ff;
  border-bottom: 1px solid rgba(70, 135, 255, .45);
}

p a:hover,
li a:hover {
  color: #fff;
  border-color: rgba(94, 240, 182, .72);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.actions a,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 14px;
  padding: 12px 17px;
  color: #e8f0ff;
  background: rgba(255, 255, 255, .08);
  font-weight: 950;
}

.actions a:hover {
  transform: translateY(-2px);
  border-color: rgba(70, 135, 255, .46);
  box-shadow: 0 16px 36px rgba(70, 135, 255, .18);
}

.actions .button,
a.button {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--brand), var(--purple));
  box-shadow: 0 16px 36px rgba(70, 135, 255, .32);
}

@media (max-width: 720px) {
  main {
    padding: 22px 14px 38px;
  }

  .card {
    border-radius: 16px;
    padding: 22px;
  }

  h1 {
    font-size: 38px;
  }

  .actions,
  .actions a,
  .button {
    width: 100%;
  }
}