/* Hidden Sums pages on savisolutions.com: the game's chalkboard, with the Schoolbell chalk font for headings
   and a plain font for reading. Shared by the home, support and privacy pages. */
@font-face {
  font-family: Schoolbell;
  src: url(Schoolbell-Regular.ttf) format("truetype");
  font-display: swap;
}

:root {
  --board: #35594a;
  --board-dark: #2a4a3d;
  --chalk: #f6f3ea;
  --chalk-dim: rgba(246, 243, 234, 0.78);
  --yellow: #f2d65c;
  --pink: #f7a8c4;
  --blue: #9cc8e8;
  --line: rgba(246, 243, 234, 0.35);
}

* { box-sizing: border-box; }

html { background: var(--board-dark); }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--chalk);
  font: 18px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(ellipse at 50% 30%, var(--board) 40%, var(--board-dark) 100%) fixed;
}

a { color: var(--blue); text-underline-offset: 3px; }
a:hover { color: var(--chalk); }

.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }

/* Header: icon, name and the page links. */
header { padding: 20px 0; }
header .wrap { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--chalk); text-decoration: none; margin-right: auto; }
.brand img { width: 44px; height: 44px; border-radius: 10px; }
.brand span { font-family: Schoolbell, cursive; font-size: 30px; }
nav { display: flex; gap: 20px; }
nav a { font-family: Schoolbell, cursive; font-size: 21px; color: var(--chalk-dim); text-decoration: none; }
nav a[aria-current="page"], nav a:hover { color: var(--chalk); border-bottom: 2.5px solid var(--pink); }

h1, h2, h3 { font-family: Schoolbell, cursive; font-weight: normal; line-height: 1.15; }
h1 { font-size: clamp(40px, 8vw, 64px); margin: 0.3em 0 0.2em; }
h2 { font-size: 34px; margin: 1.6em 0 0.4em; }
h3 { font-size: 25px; margin: 1.3em 0 0.2em; color: var(--yellow); }
.underline { display: block; width: 220px; max-width: 60%; height: 10px; }

/* Home page. */
.hero { text-align: center; padding: 20px 0 10px; }
.hero .icon { width: 132px; height: 132px; border-radius: 30px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35); }
.hero .underline { margin: 0 auto; }
.tagline { font-family: Schoolbell, cursive; font-size: 26px; color: var(--yellow); margin: 12px 0 6px; }
.lead { max-width: 620px; margin: 0 auto; color: var(--chalk-dim); }
.store { margin: 26px 0 8px; }
.soon {
  display: inline-block; font-family: Schoolbell, cursive; font-size: 24px; padding: 8px 22px;
  border: 2px dashed var(--pink); border-radius: 16px;
}

.shots {
  display: flex; gap: 18px; overflow-x: auto; padding: 30px 20px 20px; margin: 0 -20px;
  scroll-snap-type: x mandatory;
}
.shots img {
  flex: 0 0 auto; width: 240px; height: auto; border-radius: 22px; scroll-snap-align: center;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; margin-top: 10px; }
.card { border: 2px solid var(--line); border-radius: 16px; padding: 4px 18px 12px; }
.card h3 { margin-top: 0.7em; }
.card p { margin: 0.3em 0; color: var(--chalk-dim); }

/* Support and privacy. */
.page { padding-bottom: 20px; }
.page p, .page li { color: var(--chalk-dim); }
.page strong { color: var(--chalk); }
.contact { border: 2px dashed var(--pink); border-radius: 16px; padding: 6px 20px 14px; margin-top: 30px; }
.contact h2 { margin-top: 0.5em; }
.updated { font-size: 15px; color: var(--chalk-dim); }

footer { border-top: 2px solid var(--line); margin-top: 50px; padding: 20px 0 40px; font-size: 15px; color: var(--chalk-dim); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 22px; }
footer a { color: var(--chalk-dim); }

/* Wide screens show all six screenshots side by side instead of scrolling. */
@media (min-width: 900px) {
  .shots { overflow: visible; margin: 0; padding: 30px 0 20px; }
  .shots img { width: calc((100% - 90px) / 6); border-radius: 14px; }
}

@media (max-width: 520px) {
  body { font-size: 17px; }
  .brand span { font-size: 26px; }
  nav { gap: 14px; }
  nav a { font-size: 19px; }
  .shots img { width: 200px; }
}