/* ============================================================
   MAIN.CSS — Reset, CSS Custom Properties, Global Styles
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

/* ---- CSS Variables ---- */
:root {
  --font-pixel: 'Press Start 2P', monospace;

  /* Colours */
  --color-bg-dark:     #0a0a1a;
  --color-gold:        #f5c518;
  --color-gold-dark:   #c8960a;
  --color-brown-dark:  #3a1500;
  --color-white:       #ffffff;
  --color-off-white:   #f0f0f0;
  --color-blue-deep:   #0d1b6e;
  --color-blue-mid:    #1a2ea0;
  --color-text-dark:   #111111;
  --color-text-muted:  #555555;
  --color-overlay:     rgba(0, 0, 0, 0.72);

  /* Spacing */
  --gap-sm:  0.5rem;
  --gap-md:  1rem;
  --gap-lg:  2rem;
  --gap-xl:  3rem;

  /* Modal */
  --modal-max-width: 720px;
  --modal-padding:   2rem;
  --modal-radius:    4px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

body {
  font-family: var(--font-pixel);
  background-color: var(--color-bg-dark);
  color: var(--color-white);
  overflow-x: hidden;
  -webkit-font-smoothing: none;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: var(--font-pixel);
  border: none;
  background: none;
}

/* ---- Language Toggle ---- */
.lang-toggle {
  position: fixed;
  top: 1.2rem;
  right: 1.5rem;
  z-index: 1000;
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.lang-toggle a {
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  color: var(--color-gold);
  padding: 0.35rem 0.6rem;
  border: 2px solid var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: background 0.15s;
  image-rendering: auto;
}

.lang-toggle a.active,
.lang-toggle a:hover {
  background: var(--color-gold);
  color: var(--color-brown-dark);
}

/* ---- Modal Overlay ---- */
/* The overlay itself scrolls — modal box grows freely */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  z-index: 500;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 60px 15px 50px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  overflow-y: auto;
  overflow-x: hidden;
}

.modal-overlay.is-open {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background: var(--color-white);
  color: var(--color-text-dark);
  border-radius: var(--modal-radius);
  border: 4px solid var(--color-text-dark);
  max-width: min(980px, 100vw - 30px);
  width: 100%;
  /* no max-height — let content determine height, overlay scrolls */
  padding: 3rem 3.5rem;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.25s ease;
  box-shadow:
    4px 0 0 0 #000,
    -4px 0 0 0 #000,
    0 4px 0 0 #000,
    0 -4px 0 0 #000,
    8px 8px 0 0 rgba(0,0,0,0.4);
}

.modal-overlay.is-open .modal-box {
  transform: translateY(0);
}

.modal-box h2 {
  font-family: var(--font-pixel);
  font-size: 1.6rem;
  text-align: center;
  margin-bottom: var(--gap-lg);
  letter-spacing: 0.04em;
  line-height: 1.3em;
}

/* Close button: fixed so it stays visible while scrolling */
.modal-close {
  position: fixed;
  top: 1rem;
  right: 1.2rem;
  font-family: var(--font-pixel);
  font-size: 0.8rem;
  color: var(--color-white);
  background: var(--color-text-dark);
  border: 2px solid var(--color-white);
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  line-height: 1;
  z-index: 600;
}

.modal-close:hover {
  background: #333;
}

/* Overlay scrollbar */
.modal-overlay::-webkit-scrollbar {
  width: 6px;
}
.modal-overlay::-webkit-scrollbar-track {
  background: transparent;
}
.modal-overlay::-webkit-scrollbar-thumb {
  background: rgba(0,0,0,0.4);
  border-radius: 9999px;
}

@media (max-width: 600px) {
  .modal-box {
    padding: 1.8rem 1.4rem;
  }
  .modal-box h2 {
    font-size: 1.1rem;
  }
  .modal-overlay {
    padding: 50px 10px 40px;
  }
}

/* ---- Pixel Button ---- */
.pixel-btn {
  display: inline-block;
  font-family: var(--font-pixel);
  font-size: 0.75rem;
  color: var(--color-text-dark);
  background: var(--color-white);
  border: 4px solid var(--color-text-dark);
  padding: 0.6rem 1.2rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  text-transform: uppercase;
  box-shadow: inset -4px -4px #adafbc;
  transition: transform 0.1s, box-shadow 0.1s;
}

.pixel-btn:hover {
  background: #e7e7e7;
  box-shadow: inset -6px -6px #adafbc;
}

.pixel-btn:active {
  box-shadow: inset 4px 4px #adafbc;
}

/* ---- Utility ---- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}