/* ==========================================================================
   Piggy Bank Bonanza — site stylesheet
   Design tokens live in :root. Everything below derives from them.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Baloo+2:wght@500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root{
  /* Colour system — deliberately steering away from the "gold casino" look:
     deep teal + coral + minty seafoam instead of gold/black. */
  --bg-deep:        #0E2A2C;
  --bg-deep-2:       #143B3B;
  --bg-deep-3:       #0A2022;
  --surface-cream:   #FBF6EC;
  --surface-cream-2: #F2EBDA;
  --accent-coral:    #FF6F5E;
  --accent-coral-2:  #E85A4A;
  --accent-mint:     #5FE3B8;
  --accent-mint-2:   #3FC79E;
  --text-dark:       #17302E;
  --text-muted:      #5B726E;
  --text-light:      #F3F1E6;
  --text-light-muted:#B9CBC6;
  --border-soft:     rgba(23,48,46,0.10);
  --shadow-soft:      0 10px 30px rgba(10,32,30,0.12);
  --shadow-strong:    0 16px 40px rgba(10,32,30,0.28);

  --radius-s: 10px;
  --radius-m: 18px;
  --radius-l: 28px;

  --font-display: 'Baloo 2', 'Trebuchet MS', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --header-h: 84px;
}

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

html{
  scroll-behavior: smooth;
}

body{
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  font-family: var(--font-body);
  color: var(--text-dark);
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(95,227,184,0.14), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(255,111,94,0.10), transparent 55%),
    var(--bg-deep);
  background-attachment: fixed;
}

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

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

button{ font-family: inherit; cursor: pointer; }

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

/* ==========================================================================
   HEADER
   ========================================================================== */

.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, var(--bg-deep-2), var(--bg-deep));
  border-bottom: 1px solid rgba(95,227,184,0.14);
  box-shadow: 0 6px 24px rgba(0,0,0,0.18);
}

.header-inner{
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}

/* Logo */
.logo{
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--text-light);
  letter-spacing: 0.2px;
}
.logo img{
  height: 40px;
  width: 40px;
  border-radius: 12px;
}
.logo span.dim{
  color: var(--accent-mint);
}

/* Primary nav */
.main-nav{
  display: flex;
  align-items: center;
  gap: 4px;
  margin-right: auto;
}
.main-nav a{
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--text-light-muted);
  transition: background-color .18s ease, color .18s ease;
}
.main-nav a:hover,
.main-nav a:focus-visible{
  color: var(--text-light);
  background: rgba(95,227,184,0.12);
}
.main-nav a.is-active{
  color: var(--bg-deep);
  background: var(--accent-mint);
}

/* Header actions */
.header-actions{
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.92rem;
  border: 2px solid transparent;
  white-space: nowrap;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn:active{ transform: translateY(0); }

.btn-demo{
  color: var(--accent-mint);
  border-color: rgba(95,227,184,0.55);
  background: transparent;
}
.btn-demo:hover{
  background: rgba(95,227,184,0.12);
}

.btn-play{
  color: var(--bg-deep-3);
  background: linear-gradient(180deg, var(--accent-coral), var(--accent-coral-2));
  box-shadow: 0 8px 18px rgba(255,111,94,0.35);
}
.btn-play:hover{
  box-shadow: 0 10px 22px rgba(255,111,94,0.45);
}

/* Language switcher */
.lang-switcher{
  position: relative;
}
.lang-toggle{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid rgba(243,241,230,0.18);
  background: rgba(255,255,255,0.04);
  color: var(--text-light);
  font-weight: 600;
  font-size: 0.9rem;
}
.lang-toggle .flag{ font-size: 1.15rem; line-height: 1; }
.lang-toggle .chevron{
  width: 9px; height: 9px;
  border-right: 2px solid var(--text-light-muted);
  border-bottom: 2px solid var(--text-light-muted);
  transform: rotate(45deg);
  transition: transform .18s ease;
  margin-top: -3px;
}
.lang-switcher.is-open .chevron{ transform: rotate(225deg); margin-top: 3px; }

.lang-menu{
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 210px;
  max-height: 340px;
  overflow-y: auto;
  background: var(--surface-cream);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-strong);
  padding: 8px;
  display: none;
  z-index: 50;
}
.lang-switcher.is-open .lang-menu{ display: block; }

.lang-menu a{
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border: none;
  background: transparent;
  border-radius: var(--radius-s);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-dark);
  text-align: left;
}
.lang-menu a:hover,
.lang-menu a:focus-visible{
  background: var(--surface-cream-2);
}
.lang-menu a.is-current{
  background: rgba(95,227,184,0.18);
  color: var(--text-dark);
  pointer-events: none;
}
.lang-menu .flag{ font-size: 1.2rem; }

/* Mobile nav toggle */
.nav-toggle{
  display: none;
  width: 42px; height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(243,241,230,0.18);
  background: rgba(255,255,255,0.04);
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content: '';
  display: block;
  width: 20px; height: 2px;
  background: var(--text-light);
  position: relative;
  transition: transform .18s ease, opacity .18s ease;
}
.nav-toggle span::before{ position: absolute; top: -6px; }
.nav-toggle span::after{ position: absolute; top: 6px; }

/* ==========================================================================
   MAIN CONTENT
   ========================================================================== */

main{
  display: block;
  max-width: 900px;
  margin: 40px auto 60px;
  padding: 48px 56px;
  background: var(--surface-cream);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-strong);
}

main h1{
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.9rem);
  line-height: 1.15;
  font-weight: 700;
  color: var(--text-dark);
  margin: 0 0 14px;
}

main h2{
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.6vw, 1.85rem);
  font-weight: 600;
  color: var(--text-dark);
  margin: 2.2em 0 0.6em;
}

main h3{
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-dark);
  margin: 1.8em 0 0.5em;
}

main p{
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--text-muted);
  margin: 0 0 1.15em;
}

main .lede{
  font-size: 1.15rem;
  color: var(--text-dark);
  font-weight: 500;
}

main strong{ color: var(--text-dark); }

main a:not(.btn){
  color: var(--accent-coral-2);
  text-decoration: underline;
  text-decoration-color: rgba(232,90,74,0.35);
  text-underline-offset: 3px;
}
main a:not(.btn):hover{ text-decoration-color: currentColor; }

main ul, main ol{
  margin: 0 0 1.3em;
  padding-left: 1.3em;
  color: var(--text-muted);
  line-height: 1.75;
}
main li{ margin-bottom: 0.4em; }
main li::marker{ color: var(--accent-mint-2); }

main blockquote{
  margin: 1.8em 0;
  padding: 18px 24px;
  border-left: 4px solid var(--accent-mint);
  background: var(--surface-cream-2);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  font-style: italic;
  color: var(--text-dark);
}
main blockquote p:last-child{ margin-bottom: 0; }

main hr{
  border: none;
  height: 1px;
  background: var(--border-soft);
  margin: 2.4em 0;
}

/* Images between paragraphs — drop-in figure template */
main figure{
  margin: 2em 0;
}
main figure img{
  width: 100%;
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-soft);
}
main figure figcaption{
  margin-top: 10px;
  text-align: center;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Tables */
main .table-wrap{
  overflow-x: auto;
  margin: 1.8em 0;
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-soft);
  -webkit-overflow-scrolling: touch;
}
main table{
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  background: #fff;
  font-size: 0.95rem;
}
main thead th{
  background: var(--bg-deep-2);
  color: var(--text-light);
  font-family: var(--font-display);
  font-weight: 600;
  text-align: left;
  padding: 14px 18px;
  white-space: nowrap;
}
main tbody td{
  padding: 13px 18px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-muted);
}
main tbody tr:nth-child(even){ background: var(--surface-cream-2); }
main tbody tr:last-child td{ border-bottom: none; }

/* Centered CTA button template */
.cta-center{
  display: flex;
  justify-content: center;
  margin: 2.6em 0;
}
.cta-button{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 17px 42px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  background: linear-gradient(180deg, var(--accent-coral), var(--accent-coral-2));
  box-shadow: 0 12px 28px rgba(255,111,94,0.4);
  transition: transform .15s ease, box-shadow .15s ease;
}
.cta-button:hover{
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(255,111,94,0.5);
}

/* Author / reviewer block */
.author-block{
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin: 2.6em 0 0.6em;
  padding: 22px;
  background: var(--surface-cream-2);
  border-radius: var(--radius-m);
  border: 1px solid var(--border-soft);
}
.author-block .avatar{
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent-mint), var(--accent-coral));
}
.author-block .author-name{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--text-dark);
  margin: 0 0 2px;
}
.author-block .author-role{
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0 0 10px;
}
.author-block .author-opinion{
  font-size: 0.96rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin: 0;
}

/* ==========================================================================
   404 page
   ========================================================================== */
.error-page{
  text-align: center;
  padding: 70px 40px;
}
.error-page .error-code{
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 800;
  color: var(--accent-coral);
  line-height: 1;
  margin: 0;
}
.error-page h1{
  margin-top: 14px;
}
.error-page p{
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.error-page .cta-center{ margin-top: 2em; }

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer{
  background: var(--bg-deep-3);
  border-top: 1px solid rgba(95,227,184,0.14);
  padding: 40px 24px 34px;
}
.footer-inner{
  max-width: 900px;
  margin: 0 auto;
}
.site-footer .disclaimer{
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--text-light-muted);
  margin: 0 0 24px;
}
.footer-partners{
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-items: center;
  padding-top: 20px;
  border-top: 1px solid rgba(243,241,230,0.08);
}
.footer-partners .partners-label{
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-light-muted);
  opacity: 0.7;
  width: 100%;
  margin-bottom: 4px;
}
.footer-partners a{
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-mint);
  opacity: 0.85;
}
.footer-partners a:hover{
  opacity: 1;
  text-decoration: underline;
}

/* ==========================================================================
   BACK TO TOP
   ========================================================================== */

.back-to-top{
  position: fixed;
  right: 22px;
  bottom: 26px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: var(--accent-mint);
  box-shadow: var(--shadow-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
  z-index: 90;
}
.back-to-top.is-visible{
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top svg{ width: 20px; height: 20px; }
.back-to-top:hover{ background: var(--accent-mint-2); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 960px){
  main{
    margin: 24px 16px 48px;
    padding: 34px 24px;
  }
}

@media (max-width: 860px){
  .main-nav{ display: none; }
  .nav-toggle{ display: flex; }

  .header-inner{
    flex-wrap: wrap;
    padding: 0 16px;
  }

  .btn-demo{ display: none; }

  body.nav-open .main-nav{
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg-deep-2);
    padding: 12px 16px 18px;
    box-shadow: 0 12px 24px rgba(0,0,0,0.25);
  }
  body.nav-open .main-nav a{
    padding: 12px 14px;
  }
}

@media (max-width: 560px){
  .header-inner{ gap: 12px; }
  .logo span.label{ display: none; }
  .btn-play{ padding: 10px 16px; font-size: 0.85rem; }
  .lang-toggle span.label{ display: none; }
  .lang-toggle{ padding: 9px 10px; }

  main{
    padding: 26px 18px;
    border-radius: var(--radius-m);
  }
  main h1{ font-size: 1.7rem; }
  .cta-button{ padding: 15px 30px; font-size: 1rem; width: 100%; text-align: center; justify-content: center; }
  .author-block{ flex-direction: column; align-items: center; text-align: center; }

  .back-to-top{ right: 14px; bottom: 16px; width: 44px; height: 44px; }
}