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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: #FEFCF5;
  color: #222222;
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Typography */

h1, h2, h3, h4 {
  line-height: 1.25;
  color: #1A1A1A;
  font-weight: 700;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.6rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.4rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

a { color: #5BAA28; }
a:hover, a:focus { color: #4A8C1E; }

ul, ol { padding-left: 1.5rem; margin-bottom: 1rem; }
li { margin-bottom: 0.35rem; }

/* Accessibility */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* Layout */

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

main { flex: 1; }

/* Header & Nav */

.site-header {
  background: #FFFFFF;
  border-bottom: 2px solid #F0E8CE;
  padding: 0.75rem 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}
.site-logo img {
  display: block;
  height: 44px;
  width: auto;
}
.site-logo span {
  font-size: 1.1rem;
  font-weight: 700;
  color: #3A2810;
}
.site-logo:hover span, .site-logo:focus span { color: #5BAA28; }

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
}

.site-nav a {
  display: inline-block;
  padding: 0.4rem 0.8rem;
  border-radius: 0.4rem;
  color: #444;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}
.site-nav a:hover, .site-nav a:focus {
  background: #F5EDD5;
  color: #5BAA28;
}
.site-nav a[aria-current="page"] {
  color: #5BAA28;
  font-weight: 700;
  background: #F5EDD5;
}

/* Footer */

.site-footer {
  background: #FBF4E0;
  border-top: 1px solid #EDE5CF;
  padding: 2rem 0;
  margin-top: auto;
  font-size: 0.9rem;
  color: #555;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  align-items: center;
  justify-content: space-between;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

/* Hero */

.hero {
  background: #FFFFFF;
  padding: 3rem 0;
  text-align: center;
  border-bottom: 1px solid #F0E8CE;
}

.hero-logo {
  display: block;
  width: 260px;
  max-width: 80%;
  height: auto;
  margin: 0 auto 1rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.hero .tagline {
  font-size: 1.2rem;
  color: #E87828;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.hero .intro {
  max-width: 580px;
  margin: 0 auto 1.75rem;
  font-size: 1.05rem;
  color: #444;
}

/* Trust bar */

.trust-bar {
  background: #5BAA28;
  padding: 0.9rem 0;
}

.trust-bar ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 2rem;
}

.trust-bar li {
  font-size: 0.9rem;
  font-weight: 600;
  color: #FFFFFF;
  margin: 0;
}

.trust-bar li::before {
  content: '\2713  ';
}

/* Sections */

.section {
  padding: 3rem 0;
}

.section + .section {
  border-top: 1px solid #EDE5CF;
}

.section-heading {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #1A1A1A;
}

/* Cards grid */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1rem;
}

.card {
  background: #FFFFFF;
  border-radius: 0.75rem;
  padding: 1.5rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
  border: 1px solid #EDE5CF;
}

.card-learn   { border-top: 4px solid #4A7FBF; }
.card-play    { border-top: 4px solid #E87828; }
.card-calm    { border-top: 4px solid #8B7EC8; }
.card-explore { border-top: 4px solid #5BAA28; }

/* Game card */

.game-card {
  background: #FFFFFF;
  border-radius: 0.75rem;
  padding: 1.75rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
  border: 1px solid #EDE5CF;
  margin-bottom: 1.25rem;
}

.game-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.game-meta {
  font-size: 0.875rem;
  color: #666;
  margin-bottom: 0.75rem;
}

/* Status badges */

.badge {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.badge-dev     { background: #FFF3CD; color: #7A5C00; }
.badge-planned { background: #E8EEF5; color: #3A5278; }

/* Highlight box */

.highlight {
  background: #FBF4E0;
  border-left: 4px solid #5BAA28;
  border-radius: 0 0.5rem 0.5rem 0;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

/* Buttons */

.btn {
  display: inline-block;
  padding: 0.7rem 1.75rem;
  background: #5BAA28;
  color: #FFFFFF;
  text-decoration: none;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 1rem;
  margin-right: 0.75rem;
  margin-top: 0.5rem;
}
.btn:hover, .btn:focus {
  background: #4A8C1E;
  color: #FFFFFF;
  text-decoration: none;
}
.btn-outline {
  background: transparent;
  color: #5BAA28;
  border: 2px solid #5BAA28;
}
.btn-outline:hover, .btn-outline:focus {
  background: #F5EDD5;
  color: #4A8C1E;
}

/* Long-form / content pages */

.content h2 {
  font-size: 1.35rem;
  margin-top: 2.25rem;
  margin-bottom: 0.6rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid #EDE5CF;
}
.content h2:first-child { margin-top: 0; }

/* Promise list */

.promise-list {
  list-style: none;
  padding: 0;
}
.promise-list li {
  padding: 0.75rem 0 0.75rem 2rem;
  border-bottom: 1px solid #EDE5CF;
  position: relative;
}
.promise-list li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: #5BAA28;
  font-weight: 700;
  font-size: 1.1rem;
}
.promise-list li:last-child { border-bottom: none; }

/* Page intro */

.page-intro {
  padding: 2.5rem 0 0;
}
.page-intro h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}
.page-intro .lead {
  font-size: 1.1rem;
  color: #555;
  max-width: 620px;
  margin-bottom: 0;
}

/* Responsive */

@media (max-width: 620px) {
  .hero h1 { font-size: 1.85rem; }
  .hero .tagline { font-size: 1.05rem; }
  .hero-logo { width: 200px; }
  h2, .section-heading { font-size: 1.35rem; }
  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
  }
  .btn {
    display: block;
    text-align: center;
    margin-right: 0;
    margin-bottom: 0.5rem;
  }
}