:root {
  --ink: #0f172a;
  --muted: #475569;
  --muted-2: #64748b;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --surface-3: #f1f5f9;
  --accent: #0ea5a4;
  --accent-2: #2563eb;
  --accent-3: #f97316;
  --line: rgba(15, 23, 42, 0.12);
  --line-strong: rgba(15, 23, 42, 0.2);
  --shadow-sm: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 20px 45px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 28px 70px rgba(15, 23, 42, 0.18);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 15%, rgba(37, 99, 235, 0.14), transparent 45%),
    radial-gradient(circle at 88% 8%, rgba(14, 165, 164, 0.18), transparent 42%),
    radial-gradient(circle at 86% 82%, rgba(249, 115, 22, 0.13), transparent 38%),
    linear-gradient(155deg, #f8fbff 0%, #f5f8fe 45%, #eef5ff 100%);
  line-height: 1.65;
  min-height: 100vh;
  position: relative;
  isolation: isolate;
}

body::before,
body::after {
  content: "";
  position: fixed;
  pointer-events: none;
  z-index: -1;
  border-radius: 50%;
  filter: blur(2px);
}

body::before {
  width: 360px;
  height: 360px;
  right: -120px;
  top: 80px;
  background: radial-gradient(circle at 30% 35%, rgba(14, 165, 164, 0.22), rgba(14, 165, 164, 0));
}

body::after {
  width: 300px;
  height: 300px;
  left: -110px;
  bottom: 120px;
  background: radial-gradient(circle at 60% 60%, rgba(37, 99, 235, 0.16), rgba(37, 99, 235, 0));
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

h1,
h2,
h3,
h4 {
  font-family: "Sora", "Avenir Next", sans-serif;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.35rem, 4.1vw, 3.95rem);
  line-height: 1.06;
}

h2 {
  font-size: clamp(1.78rem, 2.95vw, 2.65rem);
  line-height: 1.16;
}

h3 {
  font-size: clamp(1.15rem, 2vw, 1.45rem);
}

p {
  color: var(--muted);
}

main {
  padding: 0 clamp(20px, 6vw, 92px) 108px;
}