:root {
  /* Palette: Vibrant Yellow & Blue (Game Style) + Slate/Indigo (DNA) */
  --c-primary: #FFD600; /* Construction Yellow */
  --c-primary-dark: #E6C200;
  --c-secondary: #2563EB; /* Vibrant Blue */
  --c-secondary-dark: #1D4ED8;
  --c-accent: #06B6D4; /* Cyan from DNA */
  --c-dark: #1E293B; /* Slate */
  --c-light: #F8FAFC;
  --c-white: #FFFFFF;
  --c-border: #0F172A;

  /* Typography */
  --font-heading: 'Impact', 'Haettenschweiler', 'Arial Narrow Bold', sans-serif;
  --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji';
  --font-serif-accent: ui-serif, Georgia, Cambria, 'Times New Roman', Times, serif;

  /* Game UI Elements */
  --radius-game: 16px;
  --border-thick: 3px solid var(--c-border);
  --shadow-game: 4px 4px 0px var(--c-border);
  --shadow-game-hover: 2px 2px 0px var(--c-border);
  
  /* Spacing */
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --container-width: 1200px;
  --header-height: 80px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--c-dark);
  background-color: var(--c-light);
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0;
  color: var(--c-secondary);
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

/* --- Buttons (Game Style) --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-size: 1rem;
  border: var(--border-thick);
  border-radius: var(--radius-game);
  box-shadow: var(--shadow-game);
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s;
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: var(--shadow-game-hover);
}

.btn-cta {
  background-color: var(--c-primary);
  color: var(--c-border);
}

.btn-cta:hover {
  background-color: var(--c-primary-dark);
}

.btn-footer {
  background-color: var(--c-secondary);
  color: var(--c-white);
  width: 100%;
  justify-content: center;
}

.btn-footer:hover {
  background-color: var(--c-secondary-dark);
}

/* --- Header --- */
.site-header {
  background-color: var(--c-white);
  border-bottom: var(--border-thick);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--c-secondary);
}

.brand-logo svg {
  width: 40px;
  height: 40px;
  color: var(--c-primary);
  stroke: var(--c-border);
  stroke-width: 2.5;
  filter: drop-shadow(2px 2px 0 var(--c-border));
}

.brand-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  line-height: 1;
  display: flex;
  flex-direction: column;
}

.brand-suffix {
  font-size: 0.75rem;
  color: var(--c-dark);
  letter-spacing: 0.1em;
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 2rem;
}

.nav-item {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  color: var(--c-dark);
  position: relative;
}

.nav-item:hover {
  color: var(--c-secondary);
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 3px;
  background-color: var(--c-primary);
  transition: width 0.3s;
  border: 1px solid var(--c-border);
  border-width: 1px 1px 1px 0;
}

.nav-item:hover::after {
  width: 100%;
}

.header-extras {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--c-dark);
  padding: 4px;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--c-light);
  border-top: var(--border-thick);
  padding: 4rem 0 2rem;
  margin-top: auto;
}

.footer-container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1.5fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-heading {
  margin-bottom: 1.25rem;
  color: var(--c-secondary);
  font-size: 1.25rem;
  border-bottom: 3px solid var(--c-primary);
  display: inline-block;
  padding-bottom: 4px;
}

.footer-brand-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--c-dark);
}

.footer-tagline {
  font-family: var(--font-serif-accent);
  font-style: italic;
  color: var(--c-dark);
  opacity: 0.9;
  margin-top: 1rem;
  background: #fff;
  padding: 1rem;
  border: 2px solid var(--c-border);
  border-radius: var(--radius-game);
  box-shadow: 2px 2px 0 var(--c-border);
}

.contact-info {
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-link {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
}

.contact-link:hover {
  color: var(--c-secondary);
}

.legal-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 2px dashed var(--c-border);
  font-size: 0.875rem;
  color: var(--c-dark);
  font-family: var(--font-serif-accent);
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  
  .main-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--c-light);
    border-bottom: var(--border-thick);
    padding: 1.5rem;
  }

  .main-nav.active {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }

  .nav-item {
    font-size: 1.5rem;
  }
  
  .btn-game span {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}
/* footer extras */
.footer__extras{margin-top:16px;}
.footer__extrasInner{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-start;justify-content:space-between;}
.footer__social{display:flex;gap:10px;align-items:center;}
.footer-social{display:inline-flex;gap:8px;align-items:center;text-decoration:none;}
.footer-social__icon{display:block;}
.footer__poemWrap{max-width:520px;}
.footer-poem{opacity:0.9;font-size:0.95em;line-height:1.35;}