/* =====================================================================
   FunAmigos — Main Stylesheet
   Fun Games. Happy Moments.
   No external fonts/frameworks — system font stack for performance & privacy.
   ===================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  /* Brand palette — distinct FunAmigos identity: coral + violet + sunshine yellow */
  --fa-coral: #ff6b5c;
  --fa-coral-dark: #e6493a;
  --fa-violet: #6c4bf4;
  --fa-violet-dark: #4f34c4;
  --fa-yellow: #ffc94a;
  --fa-yellow-dark: #f2ad12;
  --fa-teal: #21c3a6;

  --fa-ink: #1c1633;
  --fa-ink-soft: #4a4462;
  --fa-bg: #fffdf9;
  --fa-bg-alt: #f6f2ff;
  --fa-card-bg: #ffffff;
  --fa-border: #ece6fb;

  --fa-success: #21c3a6;
  --fa-white: #ffffff;

  --fa-radius-sm: 10px;
  --fa-radius-md: 18px;
  --fa-radius-lg: 28px;
  --fa-radius-pill: 999px;

  --fa-shadow-sm: 0 2px 8px rgba(28, 22, 51, 0.08);
  --fa-shadow-md: 0 8px 24px rgba(28, 22, 51, 0.12);
  --fa-shadow-lg: 0 16px 40px rgba(28, 22, 51, 0.16);

  --fa-container: 1180px;
  --fa-gap: clamp(1rem, 2vw, 2rem);

  --fa-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";

  --fa-transition: 180ms ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fa-ink: #f4f1ff;
    --fa-ink-soft: #cbc4e8;
    --fa-bg: #16112b;
    --fa-bg-alt: #1e1840;
    --fa-card-bg: #221b47;
    --fa-border: #33285f;
    --fa-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --fa-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
    --fa-shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
  }
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  font-family: var(--fa-font);
  background: var(--fa-bg);
  color: var(--fa-ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 0.5em; font-weight: 800; }
p { margin: 0 0 1em; color: var(--fa-ink-soft); }
button { font-family: inherit; }

.container {
  width: 100%;
  max-width: var(--fa-container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem; top: -3rem;
  background: var(--fa-violet);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: var(--fa-radius-sm);
  z-index: 1000;
  transition: top var(--fa-transition);
}
.skip-link:focus { top: 1rem; }

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.85em 1.6em;
  border-radius: var(--fa-radius-pill);
  font-weight: 700;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--fa-transition), box-shadow var(--fa-transition), background var(--fa-transition), color var(--fa-transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--fa-coral);
  color: #fff;
  box-shadow: var(--fa-shadow-md);
}
.btn-primary:hover { background: var(--fa-coral-dark); }

.btn-secondary {
  background: var(--fa-white);
  color: var(--fa-violet);
  border-color: var(--fa-violet);
}
.btn-secondary:hover { background: var(--fa-bg-alt); }

.btn-store {
  background: var(--fa-ink);
  color: #fff;
  font-size: 0.9rem;
  padding: 0.7em 1.2em;
}
.btn-store:hover { background: var(--fa-violet-dark); }

.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 253, 249, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--fa-border);
}
@media (prefers-color-scheme: dark) {
  .site-header { background: rgba(22, 17, 43, 0.92); }
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--fa-ink);
}
.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--fa-coral), var(--fa-violet));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.logo-word .logo-fun { color: var(--fa-coral); }
.logo-word .logo-amigos { color: var(--fa-violet); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.main-nav ul { display: flex; gap: 1.75rem; }
.main-nav a {
  font-weight: 600;
  color: var(--fa-ink-soft);
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
  transition: color var(--fa-transition), border-color var(--fa-transition);
}
.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--fa-violet);
  border-color: var(--fa-coral);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--fa-ink);
}
.nav-toggle svg { width: 28px; height: 28px; }

@media (max-width: 860px) {
  .main-nav {
    position: fixed;
    inset: 72px 0 0 0;
    background: var(--fa-bg);
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem;
    transform: translateX(100%);
    transition: transform var(--fa-transition);
    overflow-y: auto;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }
  .main-nav li { border-bottom: 1px solid var(--fa-border); }
  .main-nav a { display: block; padding: 1rem 0.25rem; }
  .nav-toggle { display: inline-flex; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(2.5rem, 6vw, 4rem);
  background:
    radial-gradient(circle at 85% 15%, rgba(255, 201, 74, 0.35), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(108, 75, 244, 0.18), transparent 45%),
    var(--fa-bg-alt);
}
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--fa-gap);
  align-items: center;
}
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero-art { order: -1; }
}

.eyebrow {
  display: inline-block;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fa-violet);
  background: rgba(108, 75, 244, 0.1);
  padding: 0.4rem 0.9rem;
  border-radius: var(--fa-radius-pill);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  margin-bottom: 0.3em;
}
.hero h1 .accent { color: var(--fa-coral); }

.hero-tagline {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 700;
  color: var(--fa-violet-dark);
  margin-bottom: 0.75em;
}

.hero-desc {
  font-size: 1.1rem;
  max-width: 46ch;
}
@media (max-width: 900px) { .hero-desc { margin-inline: auto; } }

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}
@media (max-width: 900px) { .hero-ctas { justify-content: center; } }

.hero-art {
  position: relative;
  display: grid;
  place-items: center;
}
.blob-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  width: 100%;
  max-width: 380px;
}
.blob {
  aspect-ratio: 1;
  border-radius: 32% 68% 62% 38% / 41% 36% 64% 59%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  box-shadow: var(--fa-shadow-md);
  color: #fff;
}
.blob:nth-child(1) { background: linear-gradient(135deg, var(--fa-coral), var(--fa-yellow)); }
.blob:nth-child(2) { background: linear-gradient(135deg, var(--fa-violet), var(--fa-teal)); margin-top: 2rem; }
.blob:nth-child(3) { background: linear-gradient(135deg, var(--fa-teal), var(--fa-yellow)); margin-top: -1rem; }
.blob:nth-child(4) { background: linear-gradient(135deg, var(--fa-yellow-dark), var(--fa-coral)); margin-top: 1rem; }

/* ---------- Sections ---------- */
.section {
  padding: clamp(3rem, 6vw, 5rem) 0;
}
.section-alt { background: var(--fa-bg-alt); }

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto clamp(2rem, 4vw, 3rem);
}
.section-head h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
.section-head p { font-size: 1.05rem; }

.section-foot {
  text-align: center;
  margin-top: 2.5rem;
}

/* ---------- Game Cards & Grid ---------- */
.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--fa-gap);
}

.game-card {
  background: var(--fa-card-bg);
  border: 1px solid var(--fa-border);
  border-radius: var(--fa-radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--fa-shadow-sm);
  transition: transform var(--fa-transition), box-shadow var(--fa-transition);
  height: 100%;
}
.game-card:hover { transform: translateY(-4px); box-shadow: var(--fa-shadow-lg); }

.game-card-media {
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, var(--fa-bg-alt), var(--fa-border));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.game-card-icon {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.game-card-icon-fallback {
  font-size: 3rem;
}
.game-card-badge {
  position: absolute;
  top: 0.6rem;
  left: 0.6rem;
  background: var(--fa-yellow);
  color: var(--fa-ink);
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.25em 0.7em;
  border-radius: var(--fa-radius-pill);
}

.game-card-body {
  padding: 1.1rem 1.2rem 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}
.game-card-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fa-teal);
}
.game-card-title { font-size: 1.15rem; margin: 0; }
.game-card-desc {
  font-size: 0.92rem;
  flex: 1;
  margin-bottom: 0.75rem;
}
.game-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}
.game-card-actions .btn { padding: 0.6em 1.1em; font-size: 0.85rem; }
.game-card-link {
  font-weight: 700;
  color: var(--fa-violet);
  font-size: 0.9rem;
  padding: 0.5em 0;
}
.game-card-link:hover { text-decoration: underline; }

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.5em 0.9em;
  border-radius: var(--fa-radius-pill);
  background: var(--fa-ink);
  color: #fff;
}
.store-badge.amazon { background: #ff9900; color: #16112b; }
.store-badge.google-play { background: #01875f; }

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
  border: 2px dashed var(--fa-border);
  border-radius: var(--fa-radius-md);
  color: var(--fa-ink-soft);
}

/* ---------- Filters (games catalog) ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}
.filter-chip {
  border: 2px solid var(--fa-border);
  background: var(--fa-card-bg);
  color: var(--fa-ink-soft);
  padding: 0.5em 1.1em;
  border-radius: var(--fa-radius-pill);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--fa-transition);
}
.filter-chip:hover { border-color: var(--fa-violet); }
.filter-chip.is-active {
  background: var(--fa-violet);
  border-color: var(--fa-violet);
  color: #fff;
}

/* ---------- Feature cards (Why FunAmigos) ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--fa-gap);
}
.feature-card {
  background: var(--fa-card-bg);
  border: 1px solid var(--fa-border);
  border-radius: var(--fa-radius-md);
  padding: 1.75rem 1.5rem;
  text-align: center;
  box-shadow: var(--fa-shadow-sm);
}
.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
  display: block;
}
.feature-card h3 { font-size: 1.1rem; margin-bottom: 0.4em; }
.feature-card p { font-size: 0.94rem; margin: 0; }

/* ---------- About preview / split content ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--fa-gap);
  align-items: center;
}
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }
.split-art {
  background: linear-gradient(135deg, var(--fa-violet), var(--fa-coral));
  border-radius: var(--fa-radius-lg);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: #fff;
  box-shadow: var(--fa-shadow-md);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--fa-ink);
  color: #d9d3f2;
  padding: 3rem 0 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand .logo { color: #fff; }
.footer-brand p { color: #b6adda; max-width: 34ch; }
.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a { color: #cfc7ea; transition: color var(--fa-transition); }
.footer-col a:hover { color: var(--fa-yellow); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  font-size: 0.85rem;
  color: #9c93c2;
}

/* ---------- Generic content pages (about/support/privacy) ---------- */
.page-hero {
  padding: clamp(2.5rem, 6vw, 4rem) 0 2rem;
  text-align: center;
  background: var(--fa-bg-alt);
}
.page-hero h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
.page-hero p { max-width: 60ch; margin: 0 auto; font-size: 1.05rem; }

.prose {
  max-width: 760px;
  margin: 0 auto;
}
.prose h2 {
  font-size: 1.4rem;
  margin-top: 2.2em;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 1.1rem; margin-top: 1.5em; }
.prose ul, .prose ol { margin: 0 0 1em; padding-left: 1.3em; list-style: disc; color: var(--fa-ink-soft); }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: 0.4em; }
.prose a { color: var(--fa-violet); font-weight: 600; text-decoration: underline; }

.callout {
  background: var(--fa-bg-alt);
  border: 1px solid var(--fa-border);
  border-radius: var(--fa-radius-md);
  padding: 1.25rem 1.5rem;
  margin: 1.5em 0;
}
.callout strong { color: var(--fa-violet-dark); }

.meta-line {
  font-size: 0.9rem;
  color: var(--fa-ink-soft);
  text-align: center;
  margin-bottom: 2rem;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--fa-gap);
  margin: 2rem 0;
}
.support-card {
  background: var(--fa-card-bg);
  border: 1px solid var(--fa-border);
  border-radius: var(--fa-radius-md);
  padding: 1.5rem;
  box-shadow: var(--fa-shadow-sm);
}
.support-card h3 { font-size: 1.05rem; display: flex; align-items: center; gap: 0.5em; }
.support-card p { font-size: 0.92rem; }

.mail-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fa-violet);
  background: var(--fa-bg-alt);
  padding: 0.7em 1.3em;
  border-radius: var(--fa-radius-pill);
  border: 2px solid var(--fa-violet);
}
.mail-cta:hover { background: var(--fa-violet); color: #fff; }

.checklist {
  background: var(--fa-card-bg);
  border: 1px solid var(--fa-border);
  border-radius: var(--fa-radius-md);
  padding: 1.5rem 1.75rem;
}

/* ---------- 404 ---------- */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.25rem;
}
.error-page .blob {
  width: 120px;
  margin: 0 auto 1.5rem;
}
.error-code {
  font-size: 5rem;
  font-weight: 800;
  color: var(--fa-violet);
  margin: 0;
}

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }