/* ========================================================================== */
/* Variables                                                                  */
/* ========================================================================== */

:root {
  /* Color palette - calm, minimalist, puzzle-themed */
  --color-background: #050814;
  --color-surface: #0c1020;
  --color-surface-elevated: #151a2b;
  --color-text: #f5f7ff;
  --color-text-muted: #a4a9c6;
  --color-primary: #5de4c7;
  --color-primary-soft: rgba(93, 228, 199, 0.12);
  --color-success: #4cc38a;
  --color-warning: #ffc857;
  --color-danger: #ff6b81;

  /* Neutral grays (often used with overlays / borders) */
  --gray-50: #f9fafb;
  --gray-100: #edf0f5;
  --gray-200: #d2d7e5;
  --gray-300: #b6bed2;
  --gray-400: #969fb8;
  --gray-500: #7781a1;
  --gray-600: #5b6585;
  --gray-700: #444d68;
  --gray-800: #2e3550;
  --gray-900: #151726;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", 
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "SF Pro Display", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-md: 1rem;      /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.5rem;    /* 24px */
  --font-size-2xl: 2rem;     /* 32px */
  --font-size-3xl: 2.5rem;   /* 40px */

  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (0 – 96px) */
  --space-0: 0;
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-7: 1.75rem;  /* 28px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Radius */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 999px;

  /* Shadows (soft, subtle for relaxing feel) */
  --shadow-sm: 0 8px 16px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 16px 40px rgba(0, 0, 0, 0.35);
  --shadow-soft-glow: 0 0 0 1px rgba(93, 228, 199, 0.18),
    0 18px 45px rgba(0, 0, 0, 0.5);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-normal: 220ms ease-out;
  --transition-slow: 400ms ease-out;

  /* Layout */
  --container-width: 1120px;
  --container-padding-x: 1.5rem;
}

/* ========================================================================== */
/* Reset & Normalize                                                          */
/* ========================================================================== */

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

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  min-height: 100vh;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  border: none;
  background: none;
  padding: 0;
}

/* Remove default list styles globally as requested */
ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none !important;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

/* ========================================================================== */
/* Base                                                                       */
/* ========================================================================== */

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  background: radial-gradient(circle at top, #151a2b 0, #050814 55%, #02030a 100%);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.3rem, 4vw, var(--font-size-3xl));
  letter-spacing: 0.02em;
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.7rem, 3vw, var(--font-size-2xl));
  margin-bottom: var(--space-3);
}

h3 {
  font-size: 1.35rem;
  margin-bottom: var(--space-2);
}

h4 {
  font-size: 1.1rem;
  margin-bottom: var(--space-2);
}

p {
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
}

/* Links - modern, subtle; hover must be white */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-normal),
    opacity var(--transition-fast),
    text-shadow var(--transition-normal);
}

a:hover {
  color: #fff !important;
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

strong,
b {
  font-weight: 600;
}

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
}

/* ========================================================================== */
/* Accessibility                                                              */
/* ========================================================================== */

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

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

/* Screen reader only 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;
}

/* ========================================================================== */
/* Layout & Utilities                                                         */
/* ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--container-padding-x);
}

.section {
  padding-block: var(--space-16);
}

.section--compact {
  padding-block: var(--space-10);
}

/* Flex utilities */
.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-column {
  display: flex;
  flex-direction: column;
}

.gap-xs {
  gap: var(--space-2);
}

.gap-sm {
  gap: var(--space-3);
}

.gap-md {
  gap: var(--space-4);
}

.gap-lg {
  gap: var(--space-6);
}

/* Grid utilities */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Alignment & text utilities */
.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.text-muted {
  color: var(--color-text-muted);
}

.w-full {
  width: 100%;
}

.mx-auto {
  margin-inline: auto;
}

.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--space-2); }
.mt-sm { margin-top: var(--space-3); }
.mt-md { margin-top: var(--space-4); }
.mt-lg { margin-top: var(--space-6); }
.mt-xl { margin-top: var(--space-10); }

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--space-2); }
.mb-sm { margin-bottom: var(--space-3); }
.mb-md { margin-bottom: var(--space-4); }
.mb-lg { margin-bottom: var(--space-6); }
.mb-xl { margin-bottom: var(--space-10); }

/* ========================================================================== */
/* Components                                                                 */
/* ========================================================================== */

/* Buttons - primary CTA for Google Play download */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--transition-normal),
    color var(--transition-fast),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast);
}

.button--primary {
  background: linear-gradient(135deg, #5de4c7, #54b7ff);
  color: #050814;
  box-shadow: var(--shadow-soft-glow);
}

.button--primary:hover {
  background: linear-gradient(135deg, #7ef0d7, #73c4ff);
  color: #050814 !important;
  transform: translateY(-1px);
}

.button--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.14);
  color: var(--color-text);
}

.button--ghost:hover {
  background: rgba(255, 255, 255, 0.03);
}

.button--sm {
  padding: 0.45rem 1.1rem;
  font-size: var(--font-size-xs);
}

.button--lg {
  padding: 0.9rem 2rem;
  font-size: var(--font-size-md);
}

.button:disabled,
.button[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
}

.button:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

/* Inputs */
.input,
.textarea,
.select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(7, 11, 26, 0.9);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  outline: none;
  transition: border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    background-color var(--transition-normal);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-muted);
}

.input:focus,
.textarea:focus,
.select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(93, 228, 199, 0.35);
}

.input:disabled,
.textarea:disabled,
.select:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.textarea {
  min-height: 120px;
  resize: vertical;
}

/* Cards - used for game features, screenshots, reviews, updates */
.card {
  position: relative;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, rgba(93, 228, 199, 0.08), transparent 55%),
    var(--color-surface-elevated);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform var(--transition-normal),
    box-shadow var(--transition-normal),
    border-color var(--transition-normal),
    background var(--transition-slow);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(93, 228, 199, 0.35);
}

.card__title {
  font-size: 1.1rem;
  margin-bottom: var(--space-2);
}

.card__meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.card__body {
  font-size: var(--font-size-sm);
}

/* Tag / pill component for categories like "Casual", "Logique" */
.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(10, 15, 32, 0.85);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Simple badge for status (e.g., Nouveauté, Mise à jour) */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.1rem 0.55rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.badge--success {
  background: rgba(76, 195, 138, 0.15);
  color: var(--color-success);
}

.badge--warning {
  background: rgba(255, 200, 87, 0.15);
  color: var(--color-warning);
}

.badge--danger {
  background: rgba(255, 107, 129, 0.15);
  color: var(--color-danger);
}

/* Hero-specific helpers for homepage */
.hero {
  padding-block: var(--space-20);
}

.hero__title {
  font-size: clamp(2.4rem, 5vw, 3.1rem);
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 32rem;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

@media (max-width: 768px) {
  .hero {
    padding-block: var(--space-16);
  }
}

/* Simple interactive hover tile (for strategic / logic levels preview) */
.tile-interactive {
  position: relative;
  border-radius: var(--radius-md);
  background: radial-gradient(circle at center, rgba(93, 228, 199, 0.16), transparent 60%),
    var(--color-surface);
  padding: var(--space-4);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-normal),
    box-shadow var(--transition-normal);
}

.tile-interactive::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top, rgba(255, 255, 255, 0.08), transparent 55%);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.tile-interactive:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.tile-interactive:hover::after {
  opacity: 1;
}

/* Review snippet styling */
.review {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.review__quote {
  font-style: italic;
  color: var(--color-text);
}

.review__author {
  font-size: var(--font-size-sm);
  color: var(--gray-300);
}

/* Footer basics */
.footer {
  padding-block: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.4), transparent);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.footer a {
  font-size: inherit;
}

/* ========================================================================== */
/* End of base.css                                                            */
/* ========================================================================== */