/* Explorilla website. System fonts only: nothing is loaded from anywhere else. */
:root {
  --sky: #98c9e2;
  --sky-deep: #3f86ad;
  --leaf: #4f9a4a;
  --sun: #f6c445;
  --ink: #1f2d3a;
  --muted: #51606d;
  --paper: #fffdf7;
  --card: #ffffff;
  --line: #d9e6ee;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --sky-deep: #8cc7e6;
    --leaf: #8fd18a;
    --ink: #eef3f7;
    --muted: #b4c2cd;
    --paper: #13202b;
    --card: #1b2b38;
    --line: #2c4152;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    ui-rounded,
    'SF Pro Rounded',
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    'Helvetica Neue',
    Arial,
    sans-serif;
  font-size: 18px;
  line-height: 1.6;
}

a {
  color: var(--sky-deep);
  text-underline-offset: 3px;
}

a:focus-visible {
  outline: 3px solid var(--sun);
  outline-offset: 2px;
  border-radius: 4px;
}

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  max-width: 880px;
  margin: 0 auto;
  padding: 16px;
}

.top nav a {
  margin-left: 16px;
  font-weight: 600;
}

.brand {
  color: var(--ink);
  font-size: 1.4rem;
  font-weight: 800;
  text-decoration: none;
}

.hero {
  background: linear-gradient(180deg, var(--sky) 0%, #cfe8f3 100%);
  color: #1f2d3a;
  text-align: center;
  padding: 56px 16px 64px;
}

.hero h1 {
  margin: 0 0 8px;
  font-size: clamp(2.4rem, 8vw, 4rem);
  line-height: 1.1;
}

.hero .tagline {
  margin: 0 auto 24px;
  max-width: 32em;
  font-size: 1.2rem;
}

.badge {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 999px;
  background: #ffffff;
  color: #1f2d3a;
  font-weight: 700;
  box-shadow: 0 3px 0 rgba(31, 45, 58, 0.18);
}

.page,
.section {
  max-width: 880px;
  margin: 0 auto;
  padding: 24px 16px;
}

.page h1 {
  line-height: 1.2;
}

.subjects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
  padding: 0;
  list-style: none;
}

.subjects li {
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 16px;
  padding: 16px;
}

.subjects h3 {
  margin: 0 0 4px;
  color: var(--leaf);
}

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

.promise {
  padding-left: 1.2em;
}

.faq h3 {
  margin-bottom: 4px;
}

.faq p {
  margin-top: 0;
}

.foot {
  max-width: 880px;
  margin: 32px auto 0;
  padding: 16px 16px 32px;
  border-top: 2px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

/* The needle E wordmark (assets/brand/wordmark/, copied to site/brand/). */
.brand img {
  display: block;
  width: auto;
  height: 28px;
}

.hero h1 img {
  display: block;
  width: min(80vw, 420px);
  height: auto;
  margin: 0 auto;
}