:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --text: #1f2937;
  --muted: #4b5563;
  --accent: #0a84ff;
  --border: #dbe5ef;
  --shadow: 0 10px 30px rgba(17, 24, 39, 0.08);
}

@font-face {
  font-family: "Inter-Regular";
  src: url("/fonts/Inter-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
}

@font-face {
  font-family: "Inter-Medium";
  src: url("/fonts/Inter-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
}

@font-face {
  font-family: "Inter-Bold";
  src: url("/fonts/Inter-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: linear-gradient(180deg, #eef4fc 0%, var(--bg) 180px, var(--bg) 100%);
  color: var(--text);
  font-family: "Inter-Regular", "Helvetica Neue", Arial, sans-serif;
}

.container {
  width: min(960px, 100% - 32px);
  margin: 0 auto;
}

.header {
  padding: 28px 0 18px;
}

.brand {
  font-family: "Inter-Bold", "Helvetica Neue", Arial, sans-serif;
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
}

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

.brand-accent {
  color: var(--accent);
}

.subhead {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: clamp(20px, 3vw, 32px);
  margin-bottom: 28px;
}

h1 {
  font-family: "Inter-Bold", "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(28px, 4vw, 40px);
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

h2 {
  font-family: "Inter-Medium", "Helvetica Neue", Arial, sans-serif;
  font-size: 20px;
  margin: 28px 0 10px;
}

p,
li {
  color: var(--text);
  font-size: 15px;
  line-height: 1.65;
}

p.muted {
  color: var(--muted);
  margin-top: 0;
}

ul {
  margin: 10px 0 0;
  padding-left: 22px;
}

a {
  color: var(--accent);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
  font-size: 14px;
}

.footer-links a {
  text-decoration: none;
}

@media (max-width: 600px) {
  .container {
    width: min(960px, 100% - 20px);
  }

  .header {
    padding-top: 20px;
  }

  .card {
    border-radius: 12px;
    padding: 18px;
  }
}