*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #f4f2ef;
  --surface: #ffffff;
  --ink: #1a1d21;
  --muted: #5c636a;
  --accent: #c45c26;
  --accent-soft: rgba(196, 92, 38, 0.12);
  --border: #e2ded8;
  --shadow: 0 1px 2px rgba(26, 29, 33, 0.06), 0 8px 24px rgba(26, 29, 33, 0.06);
  --radius: 12px;
  --font:
    system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue",
    sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  background-image:
    radial-gradient(
      ellipse 120% 80% at 50% -20%,
      rgba(196, 92, 38, 0.08),
      transparent 55%
    ),
    radial-gradient(
      ellipse 80% 50% at 100% 0%,
      rgba(26, 29, 33, 0.04),
      transparent 50%
    );
  min-height: 100vh;
}

.page {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

h1 {
  margin: 0 0 0.35em;
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--ink);
}

nav {
  margin: 0 0 2.5rem;
}

nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

nav a {
  display: inline-block;
  padding: 0.45em 0.9em;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  transition:
    color 0.15s ease,
    background 0.15s ease,
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}

nav a:hover {
  color: var(--accent);
  border-color: rgba(196, 92, 38, 0.35);
  background: var(--accent-soft);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset;
}

nav a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.35rem 1.65rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}

section:last-of-type {
  margin-bottom: 0;
}

h2 {
  margin: 0 0 0.75em;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  scroll-margin-top: 1.25rem;
  padding-bottom: 0.5em;
  border-bottom: 2px solid var(--accent-soft);
  color: var(--ink);
}

section p {
  margin: 0 0 1em;
  color: var(--muted);
}

section p:last-child {
  margin-bottom: 0;
}

section > ul {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

section > ul li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.65rem 0.85rem;
  margin-bottom: 0.5rem;
  background: var(--bg);
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 0.98rem;
  color: var(--ink);
}

section > ul li:last-child {
  margin-bottom: 0;
}

@media (min-width: 540px) {
  .page {
    padding: 3rem 1.5rem 5rem;
  }

  section {
    padding: 1.65rem 1.6rem 1.85rem;
  }
}