:root{
  --bg0:#fff7fb;
  --bg1:#f1fbff;
  --ink:#1f2430;
  --muted:#5c6474;
  --card:#ffffffcc;
  --stroke:rgba(28, 34, 51, 0.12);
  --shadow: 0 18px 55px rgba(29, 39, 63, 0.12);
  --shadow-soft: 0 10px 30px rgba(29, 39, 63, 0.08);
  --pink:#ff4fb6;
  --mint:#26d7c3;
  --sky:#3aa6ff;
  --butter:#ffd166;
  --radius: 22px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  color:var(--ink);
  font-family: ui-rounded, "Trebuchet MS", "Comic Sans MS", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 700px at 12% 8%, var(--bg1), transparent 55%),
              radial-gradient(950px 600px at 88% 18%, #ffe7f4, transparent 52%),
              linear-gradient(180deg, var(--bg0), #f9fbff);
  overflow-x:hidden;
}

.skip-link{
  position:absolute;
  left:-9999px;
  top:10px;
  padding:10px 14px;
  background:#fff;
  border:1px solid var(--stroke);
  border-radius:12px;
  z-index:999;
}
.skip-link:focus{ left:10px; }

.bg-sparkles{
  position:fixed;
  inset:-40px;
  pointer-events:none;
  background:
    radial-gradient(circle at 15% 20%, rgba(255,79,182,0.25) 0 2px, transparent 3px),
    radial-gradient(circle at 55% 35%, rgba(58,166,255,0.22) 0 2px, transparent 3px),
    radial-gradient(circle at 85% 25%, rgba(38,215,195,0.20) 0 2px, transparent 3px),
    radial-gradient(circle at 25% 70%, rgba(255,209,102,0.25) 0 2px, transparent 3px),
    radial-gradient(circle at 70% 80%, rgba(255,79,182,0.20) 0 2px, transparent 3px);
  filter: blur(0.3px);
  opacity:0.9;
  transform: translateZ(0);
}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,0.55);
  border-bottom: 1px solid rgba(28,34,51,0.08);
}

.nav{
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:900;
  letter-spacing:0.2px;
}
.brand-mark{
  font-size:22px;
}
.brand-text{
  font-size:18px;
}

.nav-links{
  list-style:none;
  padding:0;
  margin:0;
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
}
.nav-links a{
  display:inline-block;
  padding: 10px 12px;
  border-radius: 14px;
  text-decoration:none;
  color:var(--ink);
  border: 1px solid transparent;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
  font-weight:700;
  font-size: 14px;
}
.nav-links a:hover{
  background: rgba(255,255,255,0.75);
  border-color: rgba(28,34,51,0.12);
  transform: translateY(-1px);
}

.page{
  max-width:1100px;
  margin:0 auto;
  padding: 22px 18px 60px;
}

.hero{
  padding: 24px 0 10px;
}
.hero-inner{
  display:grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
  align-items:center;
}

.hero-copy h1{
  margin: 10px 0 8px;
  font-size: clamp(32px, 4vw, 50px);
  line-height:1.06;
}
.hero-badge{
  display:inline-block;
  margin-left: 10px;
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255,79,182,0.18), rgba(58,166,255,0.18));
  border: 1px solid rgba(28,34,51,0.10);
  vertical-align: middle;
}
.lead{
  margin:0;
  color: var(--muted);
  font-size: 16px;
  line-height:1.55;
}

.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  margin-top: 16px;
}
.chip{
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(28,34,51,0.10);
  background: rgba(255,255,255,0.62);
  box-shadow: 0 8px 20px rgba(29, 39, 63, 0.06);
  font-weight:800;
  font-size: 14px;
}

.hero-illustration{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap: 10px;
}
.hero-note{
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  text-align:center;
}

.blob{
  position:relative;
  width: min(320px, 100%);
  aspect-ratio: 1/1;
  border-radius: 36% 64% 49% 51% / 44% 39% 61% 56%;
  background: linear-gradient(180deg, rgba(255,255,255,0.72), rgba(255,255,255,0.35));
  border: 1px solid rgba(28,34,51,0.10);
  box-shadow: var(--shadow-soft);
  overflow:hidden;
}

.blob-glow{
  position:absolute;
  inset:-60px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,79,182,0.25), transparent 45%),
    radial-gradient(circle at 80% 30%, rgba(58,166,255,0.22), transparent 45%),
    radial-gradient(circle at 55% 75%, rgba(38,215,195,0.18), transparent 45%);
  filter: blur(2px);
}

.puppy-face{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap: 8px;
}
.eyes{
  display:flex;
  gap: 32px;
  font-size: 34px;
  color: rgba(31,36,48,0.9);
  transform: translateY(-6px);
}
.snout{
  font-size: 56px;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.12));
  transform: translateY(-6px);
}
.cheeks{
  font-size: 18px;
  color: #ff4fb6;
  letter-spacing: 4px;
}

.float-badge{
  position:absolute;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(28,34,51,0.10);
  font-weight: 900;
  font-size: 14px;
  box-shadow: 0 10px 25px rgba(29,39,63,0.10);
}
.b1{ top: 18px; left: 18px; animation: floaty 3.4s ease-in-out infinite; }
.b2{ bottom: 20px; left: 26px; animation: floaty 4.2s ease-in-out infinite; }
.b3{ top: 42px; right: 18px; animation: floaty 3.9s ease-in-out infinite; }

@keyframes floaty{
  0%,100%{ transform: translateY(0); }
  50%{ transform: translateY(-7px); }
}

@media (prefers-reduced-motion: reduce){
  .b1,.b2,.b3{ animation:none; }
  .nav-links a{ transition:none; }
}

.section{
  margin-top: 28px;
  scroll-margin-top: 90px;
}
.section-head{
  margin-bottom: 16px;
}
.section h2{
  margin: 0 0 6px;
  font-size: clamp(22px, 2.6vw, 30px);
}
.section-subtitle{
  margin: 0;
  color: var(--muted);
  line-height:1.6;
}

.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}
.grid > .card{ grid-column: span 4; }

.grid-3 > .card{ grid-column: span 4; }
.grid-2 > .card{ grid-column: span 6; }

.card{
  background: var(--card);
  border: 1px solid rgba(28,34,51,0.10);
  border-radius: var(--radius);
  padding: 16px 16px 15px;
  box-shadow: 0 10px 30px rgba(29,39,63,0.06);
  backdrop-filter: blur(10px);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover{
  transform: translateY(-3px);
  border-color: rgba(255,79,182,0.25);
  box-shadow: var(--shadow-soft);
}
.card-emoji h3{
  display:flex;
  align-items:center;
  gap: 10px;
}

.card h3{
  margin: 0 0 8px;
  font-size: 18px;
}
.card p{
  margin:0;
  color: var(--muted);
  line-height: 1.6;
}

.card-tag{
  margin-top: 12px;
  display:inline-block;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(28,34,51,0.10);
  color: rgba(31,36,48,0.88);
  font-weight:900;
  font-size: 13px;
}

.callout{
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: var(--radius);
  background: linear-gradient(90deg, rgba(38,215,195,0.18), rgba(58,166,255,0.14), rgba(255,79,182,0.12));
  border: 1px solid rgba(28,34,51,0.10);
  color: rgba(31,36,48,0.92);
  font-weight: 750;
  box-shadow: 0 18px 45px rgba(29,39,63,0.06);
}

.final-band{
  margin-top: 14px;
  padding: 16px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255,79,182,0.20), rgba(58,166,255,0.16), rgba(38,215,195,0.15));
  border: 1px solid rgba(28,34,51,0.10);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
}
.final-title{
  font-weight: 900;
  font-size: 18px;
  margin-bottom: 4px;
}
.final-text{
  color: rgba(31,36,48,0.88);
  font-weight: 750;
}

.final-button{
  text-decoration:none;
  color: var(--ink);
  font-weight: 900;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(28,34,51,0.12);
  background: rgba(255,255,255,0.65);
  box-shadow: 0 10px 25px rgba(29,39,63,0.08);
  transition: transform .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.final-button:hover{
  transform: translateY(-2px);
  border-color: rgba(255,79,182,0.30);
}

.footer{
  margin-top: 22px;
  padding: 18px 0 0;
}
.footer-inner{
  display:flex;
  align-items:center;
  gap: 14px;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(28,34,51,0.10);
  background: rgba(255,255,255,0.55);
  backdrop-filter: blur(10px);
}
.footer-logo{
  font-size: 28px;
}
.footer-title{
  font-weight: 900;
  font-size: 16px;
}
.footer-subtitle{
  color: var(--muted);
  font-weight: 700;
  margin-top: 4px;
}

/* Responsive */
@media (max-width: 920px){
  .hero-inner{ grid-template-columns: 1fr; }
  .grid > .card{ grid-column: span 6; }
  .grid-2 > .card{ grid-column: span 12; }
}
@media (max-width: 640px){
  .nav{ flex-direction:column; align-items:flex-start; }
  .nav-links{ gap: 8px; }
  .nav-links a{ padding: 9px 10px; }
  .grid > .card{ grid-column: span 12; }
  .final-band{ flex-direction:column; align-items:flex-start; }
}

/* Quiz styles */
.quiz-card .q-title{
  margin: 14px 0 10px;
  font-size: 18px;
}

.learn-check{
  margin-top: 10px;
  display:flex;
  align-items:center;
  gap:10px;
  font-weight: 850;
  color: rgba(31,36,48,0.92);
}
.learn-check label{
  display:flex;
  align-items:center;
  gap:10px;
  cursor:pointer;
  user-select:none;
}
.learn-check input[type="checkbox"]{
  width: 20px;
  height: 20px;
  accent-color: var(--pink);
}

.quiz-card .question{
  margin-top: 10px;
}

.quiz-card .option{
  display:flex;
  gap: 10px;
  align-items:flex-start;
  padding: 11px 12px;
  border-radius: 18px;
  border: 1px solid rgba(28,34,51,0.10);
  background: rgba(255,255,255,0.60);
  cursor:pointer;
  margin: 10px 0;
  transition: transform .12s ease, border-color .12s ease, box-shadow .12s ease;
}

.quiz-card .option:hover{
  transform: translateY(-1px);
  border-color: rgba(255,79,182,0.25);
  box-shadow: 0 10px 25px rgba(29,39,63,0.06);
}

.quiz-card input[type="radio"]{
  margin-top: 3px;
  width: 18px;
  height: 18px;
  accent-color: var(--pink);
}

.quiz-card .option strong{
  font-weight: 950;
}

.quiz-card .callout{
  margin-top: 14px;
}

/* Reduce quiz motion when requested */
@media (prefers-reduced-motion: reduce){
  .quiz-card .option{ transition: none; }
}