:root {
  --ink: #20312d;
  --muted: #5f706b;
  --paper: #fffdf7;
  --cream: #fff4d8;
  --sun: #f4a261;
  --sun-dark: #c85f32;
  --leaf: #2a9d8f;
  --leaf-pale: #dff3ee;
  --line: #dfded4;
  --shadow: 0 12px 34px rgba(41, 58, 54, 0.10);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 88% 2%, rgba(244, 162, 97, 0.20), transparent 24rem),
    var(--paper);
  font-family: Inter, ui-rounded, "SF Pro Rounded", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a { color: var(--sun-dark); }
a:hover { color: #8f3f24; }
a:focus-visible { outline: 3px solid var(--leaf); outline-offset: 3px; }

.site-header,
.site-main,
.site-footer {
  width: min(72rem, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header { padding-block: 1.25rem; }

.site-name {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.site-name__sun {
  width: 1.5rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--sun);
  box-shadow: 0 0 0 0.32rem var(--cream);
}

.site-main { min-height: 72vh; }

.hero {
  max-width: 52rem;
  padding: clamp(3rem, 8vw, 7rem) 0 clamp(2.5rem, 6vw, 5rem);
}

.eyebrow {
  margin: 0 0 0.55rem;
  color: var(--sun-dark);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.12;
  text-wrap: balance;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 9vw, 6.5rem);
  letter-spacing: -0.065em;
}

.hero__intro,
.activity__summary {
  max-width: 47rem;
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.32rem);
}

.alphabet {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.7);
}

.alphabet a,
.alphabet span {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border-radius: 0.55rem;
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration: none;
}

.alphabet a { color: var(--ink); background: var(--cream); }
.alphabet a:hover { background: var(--sun); }
.alphabet span { color: #a7aaa5; }

.game-directory { padding-block: 2rem 5rem; }

.letter-group { margin-block: 2.5rem; }

.letter-group > h2 {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0 0 1rem;
  color: var(--sun-dark);
  font-size: 1rem;
}

.letter-group > h2::after {
  height: 1px;
  flex: 1;
  background: var(--line);
  content: "";
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr));
  gap: 1rem;
}

.game-card {
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: white;
  box-shadow: var(--shadow);
}

.game-card h3 { margin: 0.65rem 0 0.5rem; font-size: 1.45rem; }
.game-card h3 a { color: var(--ink); text-decoration-color: var(--sun); text-decoration-thickness: 0.13em; }
.game-card p { margin: 0; color: var(--muted); }

.skill-badge-set { margin-top: 1rem; }

.skill-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.skill-badge {
  display: grid;
  width: 2.45rem;
  height: 2.45rem;
  padding: 0;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 0.75rem;
  background: var(--leaf-pale);
  box-shadow: none;
  cursor: help;
  font: inherit;
  font-size: 1.25rem;
  line-height: 1;
  transition: background 120ms ease, border-color 120ms ease, transform 120ms ease;
}

.skill-badge:hover,
.skill-badge:focus-visible,
.skill-badge[aria-pressed="true"] {
  border-color: var(--leaf);
  background: #ccebe4;
  transform: translateY(-1px);
}

.skill-badge:focus-visible {
  outline: 3px solid var(--sun);
  outline-offset: 2px;
}

.skill-badge-label {
  display: inline-block;
  margin: 0.55rem 0 0;
  padding: 0.28rem 0.65rem;
  border-radius: 0.55rem;
  color: #176a61;
  background: var(--leaf-pale);
  font-size: 0.8rem;
  font-weight: 750;
}

.skill-badge-label[hidden] {
  display: none;
}

.card-resources { display: flex; gap: 0.75rem; margin-top: 1rem; font-size: 0.9rem; font-weight: 700; }

.empty-state {
  max-width: 40rem;
  margin-bottom: 6rem;
  padding: 2rem;
  border-radius: 1rem;
  background: var(--cream);
}

.activity { max-width: 50rem; margin: 2rem auto 7rem; }
.back-link { display: inline-block; margin-bottom: 3rem; font-weight: 750; text-decoration: none; }
.activity__header h1 { font-size: clamp(2.8rem, 8vw, 5.2rem); }

.activity__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0 0;
}

.activity__facts div {
  min-width: 8rem;
  padding: 0.8rem 1rem;
  border-radius: 0.8rem;
  background: var(--cream);
}

.activity__facts dt { color: var(--muted); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.activity__facts dd { margin: 0.1rem 0 0; font-weight: 800; }
.activity section { margin-top: 2.5rem; }
.activity h2 { margin-bottom: 0.8rem; font-size: 1.45rem; }
.activity__instructions h2 { margin-top: 2.5rem; }
.activity__instructions h3 { margin-top: 1.8rem; }

.downloads {
  padding: 1.4rem;
  border-left: 0.35rem solid var(--leaf);
  border-radius: 0.3rem 0.8rem 0.8rem 0.3rem;
  background: var(--leaf-pale);
}

.downloads ul { margin-bottom: 0; padding-left: 1.2rem; }
.downloads li + li { margin-top: 0.65rem; }
.downloads a { font-weight: 800; }
.downloads span { display: block; color: var(--muted); font-size: 0.9rem; }

.site-footer {
  padding-block: 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 36rem) {
  .site-header, .site-main, .site-footer { width: min(100% - 1.25rem, 72rem); }
  .alphabet { padding: 0.75rem; }
  .alphabet a, .alphabet span { width: 1.75rem; height: 1.75rem; }
}

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