/* ============================================
   DevForge — SNES Light Theme
   Cleaned-up Super Nintendo UI aesthetic
   ============================================ */

/* --- @font-face --- */
@font-face {
  font-family: 'PressStart2P';
  src: url('../assets/fonts/PressStart2P-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'SpaceMono';
  src: url('../assets/fonts/SpaceMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* --- Custom Properties --- */
:root {
  --bg-base: #E8E6ED;
  --bg-inset: #D3D3D6;
  --bg-surface: #C8C7CC;

  --green: #336533;
  --amber: #725721;
  --blue: #405b87;
  --red: #8c4747;
  --purple: #5c4fa0;
  --cyan: #256262;
  --teal: #245f43;
  --orange: #7a3d1a;
  --gold: #6a5218;
  --lime: #44712b;
  --crimson: #7a2040;
  --pink: #7a3060;

  --border: #9A99A0;
  --border-light: #8B8A8D;

  --text-primary: #2D2B3D;
  --text-dim: #4A485F;

  --font-pixel: 'PressStart2P', monospace;
  --font-mono: 'SpaceMono', monospace;

  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--green);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-16);
  background: var(--bg-surface);
  color: var(--amber);
  font-family: var(--font-pixel);
  font-size: 9px;
  padding: var(--space-8) var(--space-12);
  border: 1px solid var(--amber);
  z-index: 10000;
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: var(--space-8);
}

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

/* --- Focus & Accessibility --- */
:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --- Layout --- */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--space-16);
  position: relative;
}

/* --- Side Banners (wide screens only) --- */
@media (min-width: 960px) {
  .container::before,
  .container::after {
    content: '';
    position: fixed;
    top: 0;
    width: 48px;
    height: 100vh;
    background-image: url('../assets/images/sprites/world/wall_y_brick_grey.png');
    background-size: 48px 48px;
    background-repeat: repeat-y;
    image-rendering: pixelated;
    opacity: 0.18;
    pointer-events: none;
    z-index: -1;
    -webkit-mask-image: linear-gradient(to bottom, black 50%, transparent 90%);
    mask-image: linear-gradient(to bottom, black 50%, transparent 90%);
  }

  .container::before {
    right: calc(50% + 380px);
  }

  .container::after {
    left: calc(50% + 380px);
  }
}

/* --- Typography --- */
h1, h2, h3 {
  font-family: var(--font-pixel);
  line-height: 1.5;
  margin: 0;
}

h1 {
  font-size: 14px;
  color: var(--green);
}

h2 {
  font-size: 10px;
  letter-spacing: 0.5px;
}

h3 {
  font-size: 9px;
}

p {
  margin: 0 0 var(--space-12);
}

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

/* --- Terminal Header --- */
.terminal-header {
  padding: var(--space-32) 0 var(--space-16);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-32);
}

.terminal-header .prompt {
  font-family: var(--font-pixel);
  font-size: 9px;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.terminal-header .prompt .brand {
  font-size: 20px;
  color: var(--green);
  letter-spacing: 3px;
}

/* --- Cursor blink --- */
.cursor {
  display: inline-block;
  width: 8px;
  height: 2px;
  background: var(--green);
  margin-left: var(--space-4);
  vertical-align: middle;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* --- Hero Section --- */
.hero {
  padding: var(--space-32) 0 var(--space-48);
}

.hero h1 {
  margin-bottom: var(--space-16);
  max-width: 600px;
}

.hero .subtext {
  font-size: 14px;
  color: var(--text-primary);
  max-width: 560px;
  margin-bottom: var(--space-16);
}

.hero .price-line {
  font-family: var(--font-pixel);
  font-size: 9px;
  color: var(--amber);
  letter-spacing: 0.5px;
}

/* --- Terminal Block (Feature Panels) --- */
.terminal-block {
  background: var(--bg-inset);
  border: 1px solid var(--border);
  padding: var(--space-16);
  margin-bottom: var(--space-12);
  position: relative;
}

.terminal-block .block-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.terminal-block .prompt-char {
  font-family: var(--font-mono);
  color: var(--text-dim);
  font-size: 14px;
  user-select: none;
}

.terminal-block h3 {
  display: inline;
}

.terminal-block .block-body {
  color: var(--text-primary);
  font-size: 13px;
  padding-left: 22px;
}

/* --- Features Grid --- */
.features {
  padding: 0 0 var(--space-32);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
}

/* --- Screenshots --- */
.screenshot-section {
  padding: 0 0 var(--space-48);
}

.screenshot-section h2 {
  color: var(--text-primary);
  margin-bottom: var(--space-16);
}

.screenshot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
}

.screenshot-figure {
  margin: 0;
}

.screenshot-btn {
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid var(--border);
  background: none;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.screenshot-btn:hover {
  border-color: var(--text-dim);
}

.screenshot-img {
  display: block;
  width: 100%;
  height: auto;
}

.screenshot-label {
  font-family: var(--font-pixel);
  font-size: 8px;
  color: var(--text-dim);
  text-align: center;
  margin-top: var(--space-8);
  letter-spacing: 0.5px;
}

/* --- Lightbox --- */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(45, 43, 61, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10001;
  padding: var(--space-16);
  cursor: pointer;
}

.lightbox-overlay[hidden] {
  display: none;
}

.lightbox-close {
  position: absolute;
  top: var(--space-16);
  right: var(--space-24);
  font-family: var(--font-mono);
  font-size: 32px;
  color: #E8E6ED;
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
  z-index: 10002;
}

.lightbox-close:hover {
  color: #ffffff;
}

.lightbox-img {
  max-width: 95vw;
  max-height: 90vh;
  border: 1px solid var(--border);
}

/* --- Modes Section --- */
.modes-section {
  padding: 0 0 var(--space-48);
}

.modes-section h2 {
  color: var(--text-primary);
  margin-bottom: var(--space-16);
}

.modes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-16);
  list-style: none;
  padding: 0;
  margin-top: 0;
}

.modes-grid li {
  display: contents;
}

.mode-cell {
  font-family: var(--font-pixel);
  font-size: 8px;
  text-align: center;
  padding: var(--space-8) var(--space-4);
  border: 1px solid var(--border);
  background: var(--bg-inset);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
  width: 100%;
}

.mode-cell:hover {
  background: var(--bg-surface);
  border-color: currentColor;
}

.modes-analog {
  font-size: 13px;
  color: var(--teal);
}

/* --- Stacks Line --- */
.stacks-line {
  padding: 0 0 var(--space-48);
  color: var(--text-dim);
  font-size: 13px;
}

.stacks-line .stack-list {
  color: var(--text-primary);
}

/* --- Buy CTA Section --- */
.buy-section {
  padding: var(--space-32) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
  margin-bottom: var(--space-48);
}

.buy-section h2 {
  color: var(--green);
  margin-bottom: var(--space-24);
  font-size: 12px;
}

.btn-buy {
  display: inline-block;
  font-family: var(--font-pixel);
  font-size: 11px;
  color: var(--green);
  background: transparent;
  border: 2px solid var(--green);
  padding: var(--space-12) var(--space-32);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
  letter-spacing: 0.5px;
}

.btn-buy:hover {
  background: var(--green);
  color: var(--bg-base);
  text-decoration: none;
}

.buy-section .buy-note {
  margin-top: var(--space-16);
  font-size: 11px;
  color: var(--text-dim);
}

/* --- Mailing List Section --- */
.mailing-section {
  padding: 0 0 var(--space-48);
  max-width: 480px;
}

.mailing-section h2 {
  color: var(--amber);
  margin-bottom: var(--space-8);
}

.mailing-section .mailing-subtext {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: var(--space-16);
}

.mailing-form {
  display: flex;
  gap: var(--space-8);
}

.input-email {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-primary);
  background: var(--bg-base);
  border: 1px solid var(--border);
  padding: var(--space-8) var(--space-12);
  caret-color: var(--green);
}

.input-email::placeholder {
  color: var(--text-dim);
}

.input-email:focus {
  border-color: var(--amber);
  outline: 2px solid var(--amber);
  outline-offset: -1px;
}

.btn-subscribe {
  font-family: var(--font-pixel);
  font-size: 8px;
  color: var(--amber);
  background: transparent;
  border: 1px solid var(--amber);
  padding: var(--space-8) var(--space-16);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease;
  letter-spacing: 0.5px;
}

.btn-subscribe:hover {
  background: var(--amber);
  color: var(--bg-base);
}

/* --- Footer --- */
.site-footer {
  padding: var(--space-24) 0;
  border-top: 1px solid var(--border);
}

.site-footer .footer-text {
  font-family: var(--font-pixel);
  font-size: 8px;
  color: var(--text-dim);
  letter-spacing: 1px;
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(45, 43, 61, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: var(--space-16);
}

.modal-overlay[hidden] {
  display: none;
}

.modal-card {
  background: var(--bg-base);
  border: 1px solid var(--border);
  max-width: 480px;
  width: 100%;
  padding: var(--space-24);
}

.modal-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-12);
}

.modal-mode-name {
  font-family: var(--font-pixel);
  font-size: 11px;
  letter-spacing: 0.5px;
}

.modal-close {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--text-dim);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0 var(--space-4);
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.65;
  margin: 0;
}

/* --- Positioning Callout --- */
.positioning {
  padding: 0 0 var(--space-32);
}

.callout-text {
  font-size: 14px;
  color: var(--text-dim);
  max-width: 600px;
  border-left: 2px solid var(--border);
  padding-left: var(--space-16);
}

/* --- Info Sections --- */
.info-section {
  padding: 0 0 var(--space-48);
}

.info-section h2 {
  color: var(--text-primary);
  margin-bottom: var(--space-16);
}

.info-section p {
  font-size: 13px;
}

/* --- Workflow Steps --- */
.workflow-steps {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-12);
}

/* --- Detail List --- */
.detail-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8) var(--space-16);
}

.detail-list li {
  font-size: 12px;
  line-height: 1.5;
  padding: var(--space-8);
  border-left: 1px solid var(--border);
}

.detail-list li strong {
  font-family: var(--font-pixel);
  font-size: 8px;
  letter-spacing: 0.5px;
  display: block;
  margin-bottom: var(--space-4);
}

/* --- Dungeon Banner --- */
.dungeon-banner {
  margin: 0 calc(-1 * var(--space-16));
  padding: 0;
  overflow: hidden;
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-32);
}

.dungeon-scene {
  display: grid;
  grid-template-columns: repeat(15, 48px);
  grid-template-rows: repeat(3, 48px);
}

.dungeon-scene .tile {
  width: 48px;
  height: 48px;
  background-size: 48px 48px;
  background-repeat: no-repeat;
  image-rendering: pixelated;
  position: relative;
}

.tile.t-wall  { background-image: url('../assets/images/sprites/world/wall_block_stone.png'); }
.tile.t-brick { background-image: url('../assets/images/sprites/world/wall_x_brick_grey.png'); }
.tile.t-door  { background-image: url('../assets/images/sprites/world/door_wood_closed.png'); }
.tile.t-floor { background-image: url('../assets/images/sprites/world/floor_grey.png'); }
.tile.t-floord { background-image: url('../assets/images/sprites/world/floor_grey_dot.png'); }

.tile .sprite-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 48px;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
}

.tile .sprite-anim.sprite-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 48px;
}

/* --- Sprite Idle Animation --- */
.sprite-anim {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 48px;
}

.sprite-anim img {
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 48px;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
}

.sprite-anim img:last-child {
  animation: sprite-toggle 700ms steps(1) infinite;
}

@keyframes sprite-toggle {
  0%, 49.9% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .sprite-anim img:last-child {
    animation: none;
    opacity: 0;
  }
}

/* --- Character Parade --- */
.character-parade {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-16) 0 0;
}

.character-parade .sprite-anim {
  width: 48px;
  height: 48px;
}

/* --- Glow accents on terminal blocks (muted for SNES) --- */
.terminal-block.glow-green { border-left: 2px solid var(--green); }
.terminal-block.glow-amber { border-left: 2px solid var(--amber); }
.terminal-block.glow-blue { border-left: 2px solid var(--blue); }
.terminal-block.glow-cyan { border-left: 2px solid var(--cyan); }
.terminal-block.glow-purple { border-left: 2px solid var(--purple); }
.terminal-block.glow-orange { border-left: 2px solid var(--orange); }

/* --- Responsive (mobile) --- */
@media (max-width: 640px) {
  h1 {
    font-size: 11px;
  }

  h2 {
    font-size: 9px;
  }

  .container {
    padding: 0 var(--space-12);
  }

  .terminal-header {
    padding-top: var(--space-16);
    margin-bottom: var(--space-24);
  }

  .terminal-header .prompt .brand {
    font-size: 16px;
    letter-spacing: 2px;
  }

  .hero {
    padding: var(--space-24) 0 var(--space-32);
  }

  .hero .subtext {
    font-size: 13px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .modes-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .buy-section {
    margin-bottom: var(--space-32);
  }

  .btn-buy {
    display: block;
    width: 100%;
    text-align: center;
    font-size: 10px;
    padding: var(--space-12) var(--space-16);
  }

  .mailing-form {
    flex-direction: column;
  }

  .btn-subscribe {
    width: 100%;
    padding: var(--space-12);
  }

  .screenshot-grid {
    grid-template-columns: 1fr;
  }

  .screenshot-section,
  .modes-section,
  .info-section {
    padding-bottom: var(--space-32);
  }

  .workflow-steps {
    grid-template-columns: 1fr;
  }

  .detail-list {
    grid-template-columns: 1fr;
  }

  .dungeon-banner {
    margin-left: calc(-1 * var(--space-12));
    margin-right: calc(-1 * var(--space-12));
  }

  .dungeon-scene {
    grid-template-columns: repeat(15, 36px);
    grid-template-rows: repeat(3, 36px);
  }

  .dungeon-scene .tile {
    width: 36px;
    height: 36px;
    background-size: 36px 36px;
  }

  .tile .sprite-overlay {
    width: 36px;
    height: 36px;
  }

  .tile .sprite-anim.sprite-overlay {
    width: 36px;
    height: 36px;
  }

  .sprite-anim {
    width: 36px;
    height: 36px;
  }

  .sprite-anim img {
    width: 36px;
    height: 36px;
  }

  .character-parade .sprite-anim {
    width: 36px;
    height: 36px;
  }
}