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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--color-text);
  background:
    radial-gradient(ellipse 80% 45% at 50% -15%, rgba(31, 143, 156, 0.1), transparent),
    linear-gradient(180deg, #eef3f8 0%, var(--color-bg) 35%);
  background-color: var(--color-bg);
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover,
a:focus-visible {
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: var(--space-sm);
  top: -100%;
  z-index: 1000;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-accent);
  color: var(--color-on-accent);
  font-weight: 600;
}

.skip-link:focus {
  top: var(--space-sm);
}

.page-main {
  padding-top: var(--nav-height);
  min-height: calc(100vh - var(--nav-height));
}

.page-shell {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
  padding-block: var(--space-xl);
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.page-lead {
  color: var(--color-text);
  max-width: 38rem;
  margin-bottom: var(--space-lg);
}

.reveal {
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}