/* ============================================================
   Pop Safari — popsafari.org
   Static site styles  •  Mobile-first  •  No build tools
   ============================================================ */

/* --- Custom Properties ------------------------------------ */
:root {
  --color-bg:        #0E1420;
  --color-bg-card:   #1A2233;
  --color-bg-nav:    rgba(14, 20, 32, 0.95);
  --color-gold:      #E8C15A;
  --color-gold-dim:  #C4A043;
  --color-green:     #5CB85C;
  --color-green-dim: #3D7A3D;
  --color-teal:      #1ABC9C;
  --color-orange:    #E8873A;
  --color-pink:      #FF4F9A;
  --color-purple:    #8E44AD;
  --color-text:      #E8E0D4;
  --color-text-dim:  #B8AFA6;
  --color-border:    #2A3448;
  --font-heading:    'Quicksand', sans-serif;
  --font-body:       'Nunito', sans-serif;
  --radius:          12px;
  --radius-sm:       8px;
  --max-width:       1100px;
  --nav-height:      60px;
}

/* --- Reset ------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-gold); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* --- Typography ------------------------------------------- */
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
h3 { font-size: 1.25rem; }

/* --- Layout ----------------------------------------------- */
.container { width: 90%; max-width: var(--max-width); margin: 0 auto; }
.container-wide { width: 95%; max-width: 1400px; }
.section { padding: 4rem 0; }
.section + .section { border-top: 1px solid var(--color-border); }

/* --- Navigation ------------------------------------------- */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-height);
  background: var(--color-bg-nav);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  display: flex; align-items: center;
}
.site-nav .container { display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-heading); font-weight: 700; font-size: 1.2rem; color: var(--color-gold); }
.nav-logo img { height: 36px; width: auto; }
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a { color: var(--color-text-dim); font-size: 0.95rem; font-weight: 600; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--color-gold); text-decoration: none; }
.nav-links a.nav-cta {
  background: var(--color-gold); color: #111; font-weight: 800;
  padding: 10px 24px; border-radius: 999px; font-size: 0.95rem;
  transition: background 0.2s;
  letter-spacing: 0.02em;
  text-shadow: none;
}
.nav-links a.nav-cta:hover { background: #f5d36e; color: #111; text-decoration: none; }
.nav-hamburger { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-hamburger svg { width: 28px; height: 28px; stroke: var(--color-text); }

@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: var(--nav-height); left: 0; right: 0; background: var(--color-bg-nav); backdrop-filter: blur(12px); padding: 1rem 5%; gap: 0.5rem; border-bottom: 1px solid var(--color-border); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.5rem 0; }
  .nav-hamburger { display: block; }
}

/* --- Spacer for fixed nav --------------------------------- */
.nav-spacer { height: var(--nav-height); }

/* --- Hero ------------------------------------------------- */
.hero {
  text-align: center;
  padding: 5rem 0 4rem;
  background: linear-gradient(180deg, #141B2D 0%, var(--color-bg) 100%);
}
.hero-logo { width: clamp(180px, 40vw, 320px); margin: 0 auto 1.5rem; }
.hero h1 { color: var(--color-gold); margin-bottom: 0.75rem; }
.hero p { font-size: 1.15rem; color: var(--color-text-dim); max-width: 600px; margin: 0 auto 2rem; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* --- Buttons ---------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 999px; font-weight: 700;
  font-size: 1rem; font-family: var(--font-body);
  border: none; cursor: pointer; transition: all 0.2s;
  text-decoration: none;
}
.btn-primary { background: var(--color-gold); color: var(--color-bg); }
.btn-primary:hover { background: var(--color-gold-dim); text-decoration: none; }
.btn-secondary { background: transparent; color: var(--color-gold); border: 2px solid var(--color-gold); }
.btn-secondary:hover { background: rgba(232, 193, 90, 0.1); text-decoration: none; }
.btn-sm { padding: 10px 22px; font-size: 0.9rem; }
.btn:focus-visible, .grade-btn:focus-visible, .fullscreen-btn:focus-visible {
  outline: 2px solid var(--color-gold); outline-offset: 2px;
}
a:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 2px; border-radius: 2px; }

/* --- Feature Cards ---------------------------------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.feature-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover { border-color: var(--color-gold); transform: translateY(-2px); }
.feature-card .icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.feature-card h3 { color: var(--color-gold); margin-bottom: 0.5rem; }
.feature-card p { color: var(--color-text-dim); font-size: 0.95rem; }

/* --- Grade Selector --------------------------------------- */
.grade-selector { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; margin: 1.5rem 0; }
.grade-btn {
  padding: 10px 24px; border-radius: 999px; font-weight: 700;
  font-size: 0.95rem; font-family: var(--font-body);
  border: 2px solid var(--color-border); background: var(--color-bg-card);
  color: var(--color-text); cursor: pointer; transition: all 0.2s;
}
.grade-btn:hover { border-color: var(--color-gold); color: var(--color-gold); }
.grade-btn.active { border-color: var(--color-gold); background: var(--color-gold); color: var(--color-bg); }

/* --- Game Frame ------------------------------------------- */
.game-wrapper {
  position: relative;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  background: #141B2D;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.game-wrapper iframe {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%; border: none;
}
.game-wrapper .game-placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1rem; color: var(--color-text-dim);
}
.game-controls { display: flex; gap: 0.75rem; justify-content: center; margin-top: 1rem; }
.fullscreen-btn {
  background: var(--color-bg-card); color: var(--color-text);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: 8px 16px; font-size: 0.85rem; cursor: pointer; transition: all 0.2s;
}
.fullscreen-btn:hover { border-color: var(--color-gold); color: var(--color-gold); }
.landscape-hint {
  display: none;
  text-align: center;
  padding: 1rem;
  color: var(--color-text-dim);
  font-size: 0.9rem;
}
@media (max-width: 768px) and (orientation: portrait) {
  .landscape-hint { display: block; }
}

/* --- Content Pages ---------------------------------------- */
.page-header {
  text-align: center;
  padding: 3rem 0 2rem;
  background: linear-gradient(180deg, #141B2D 0%, var(--color-bg) 100%);
}
.page-header h1 { color: var(--color-gold); margin-bottom: 0.5rem; }
.page-header p { color: var(--color-text-dim); font-size: 1.1rem; }

.content-block { max-width: 800px; margin: 0 auto; }
.content-block h2 { color: var(--color-gold); margin-bottom: 1rem; }
.content-block h3 { color: var(--color-teal); margin: 1.5rem 0 0.5rem; }
.content-block p { margin-bottom: 1rem; }
.content-block ul { margin: 0.5rem 0 1rem 1.25rem; list-style: disc; }
.content-block li { margin-bottom: 0.4rem; color: var(--color-text-dim); }
.content-block code {
  background: var(--color-bg-card); padding: 2px 8px; border-radius: 4px;
  font-size: 0.9em; color: var(--color-teal);
}
.content-block pre {
  background: var(--color-bg-card); padding: 1rem; border-radius: var(--radius-sm);
  overflow-x: auto; margin-bottom: 1rem; border: 1px solid var(--color-border);
}
.content-block pre code { background: none; padding: 0; }
.content-block a { color: var(--color-gold); }
.content-block a.btn-primary { color: var(--color-bg); }
.content-block a.btn-primary:hover { color: var(--color-bg); }

/* --- Info Cards ------------------------------------------- */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
}
.info-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.info-card h3 { color: var(--color-gold); margin-bottom: 0.5rem; }
.info-card p { color: var(--color-text-dim); font-size: 0.95rem; }

/* --- Table ------------------------------------------------ */
.styled-table {
  width: 100%; border-collapse: collapse; margin: 1rem 0;
  font-size: 0.95rem;
}
.styled-table th {
  text-align: left; padding: 0.75rem 1rem;
  background: var(--color-bg-card); color: var(--color-gold);
  border-bottom: 2px solid var(--color-border);
}
.styled-table td {
  padding: 0.75rem 1rem; border-bottom: 1px solid var(--color-border);
  color: var(--color-text-dim);
}

/* --- Footer ----------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 0;
  text-align: center;
  color: var(--color-text-dim);
  font-size: 0.9rem;
}
.footer-brand { margin-bottom: 0.75rem; }
.footer-brand a {
  color: var(--color-gold); font-weight: 700;
  font-family: var(--font-heading);
}
.footer-links { display: flex; gap: 1.5rem; justify-content: center; flex-wrap: wrap; margin-bottom: 0.75rem; }
.footer-links a { color: var(--color-text-dim); font-size: 0.85rem; }
.footer-links a:hover { color: var(--color-gold); }
.footer-copy { font-size: 0.8rem; }

/* --- Utility ---------------------------------------------- */
.text-gold { color: var(--color-gold); }
.text-teal { color: var(--color-teal); }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }