/* ==========================================================================
   WonderPals shared design system
   Source of truth: DESIGN.md (Stitch design system export)
   ========================================================================== */

:root{
  /* Character-primary brand colors */
  --lion-orange:      #F48C2C;
  --lion-orange-dark:  #C96A12;
  --owl-teal:          #4BA8A8;
  --owl-teal-dark:     #357F7F;
  --bee-yellow:        #FFD147;
  --bee-yellow-dark:   #D9A800;
  --turtle-green:      #76B947;
  --turtle-green-dark: #57922E;
  --octopus-blue:      #3D5BA9;
  --octopus-blue-dark: #2C4581;
  --paper-white:       #FDF9F0;

  --surface:            #FDF9F0;
  --surface-container:  #F1EEE5;
  --surface-high:       #ECE8DF;
  --surface-card:       #FFFFFF;

  --ink:                #1C1C17;
  --ink-soft:           #554336;
  --outline:            #4A321F;
  --outline-soft:       #DBC2B0;

  --radius-sm:  0.5rem;
  --radius:     1rem;
  --radius-md:  1.5rem;
  --radius-lg:  2rem;
  --radius-xl:  1.5rem;   /* "rounded-xl" per DESIGN.md: 24px mobile */
  --radius-full: 9999px;

  --space-unit: 8px;
  --gutter-mobile: 16px;
  --gutter-desktop: 32px;
  --margin-safe: 24px;
  --stack-sm: 12px;
  --stack-md: 24px;
  --stack-lg: 48px;

  --touch-min: 56px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--surface);
  color:var(--ink);
  font-family:'Quicksand', sans-serif;
  font-size:18px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }

h1,h2,h3,.font-display{
  font-family:'Plus Jakarta Sans', sans-serif;
  font-weight:800;
  line-height:1.15;
  letter-spacing:-0.01em;
  margin:0;
}
.label-parent{
  font-family:'Work Sans', sans-serif;
  font-weight:600;
  font-size:14px;
  letter-spacing:0.05em;
  text-transform:uppercase;
}

.wrap{ max-width:1120px; margin:0 auto; padding:0 var(--margin-safe); }

/* ---------- Header / Nav ---------- */
header.site-header{
  position:sticky; top:0; z-index:30;
  background:rgba(253,249,240,0.94);
  backdrop-filter:blur(8px);
  border-bottom:3px solid var(--outline);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px var(--margin-safe);
  max-width:1120px; margin:0 auto;
}
.logo{
  display:flex; align-items:center; gap:10px;
  font-family:'Plus Jakarta Sans', sans-serif;
  font-weight:800; font-size:1.4rem;
  color:var(--lion-orange-dark);
}
.logo .mark{
  width:36px; height:36px; border-radius:50%;
  background:var(--lion-orange);
  border:3px solid var(--outline);
  display:flex; align-items:center; justify-content:center;
  font-size:1.1rem;
}
nav.main-nav{ display:flex; gap:8px; }
nav.main-nav a{
  font-family:'Plus Jakarta Sans', sans-serif;
  font-weight:700; font-size:0.95rem;
  padding:10px 16px; border-radius:var(--radius-full);
  color:var(--ink-soft);
  min-height:44px; display:flex; align-items:center;
}
nav.main-nav a:hover{ background:var(--surface-container); color:var(--ink); }
nav.main-nav a.active{ background:var(--lion-orange); color:#fff; }

.nav-cta{ display:flex; gap:10px; align-items:center; }

/* Mobile bottom nav */
nav.bottom-nav{
  display:none;
  position:fixed; left:0; right:0; bottom:0; z-index:30;
  background:var(--surface-card);
  border-top:3px solid var(--outline);
  padding:6px var(--gutter-mobile);
  padding-bottom:max(6px, env(safe-area-inset-bottom));
}
nav.bottom-nav .row{ display:flex; justify-content:space-around; }
nav.bottom-nav a{
  display:flex; flex-direction:column; align-items:center; gap:2px;
  font-family:'Work Sans',sans-serif; font-size:11px; font-weight:600;
  color:var(--ink-soft); min-width:var(--touch-min); min-height:var(--touch-min);
  justify-content:center; border-radius:var(--radius);
}
nav.bottom-nav a .material-symbols-outlined{ font-size:24px; }
nav.bottom-nav a.active{ color:var(--lion-orange-dark); }
nav.bottom-nav a.active .material-symbols-outlined{
  transform:translateY(-2px);
}

@media (max-width:760px){
  nav.main-nav{ display:none; }
  nav.bottom-nav{ display:block; }
  body{ padding-bottom:76px; }
}

/* ---------- Buttons (Wonder-Button) ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'Plus Jakarta Sans', sans-serif; font-weight:700; font-size:1rem;
  padding:14px 26px; border-radius:var(--radius-full);
  border:3px solid var(--outline);
  cursor:pointer;
  min-height:var(--touch-min);
  transition:transform .1s ease;
  box-shadow:0 4px 0 var(--outline);
}
.btn:active{ transform:translateY(4px); box-shadow:0 0 0 var(--outline); }
.btn-primary{ background:var(--lion-orange); color:#fff; }
.btn-secondary{ background:var(--owl-teal); color:#fff; }
.btn-ghost{ background:var(--surface-card); color:var(--ink); }
.btn-sm{ padding:10px 18px; font-size:0.85rem; min-height:44px; box-shadow:0 3px 0 var(--outline); }

/* ---------- Cards ---------- */
.card{
  background:var(--surface-card);
  border:3px solid var(--outline);
  border-radius:var(--radius-xl);
  box-shadow:0 5px 0 var(--outline-soft);
  overflow:hidden;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:560px;
  display:flex; align-items:flex-end;
  background-size:cover; background-position:center;
  border-bottom:4px solid var(--outline);
}
.hero-overlay{
  position:relative; z-index:1;
  width:100%;
  background:linear-gradient(to top, rgba(253,249,240,0.92) 55%, rgba(253,249,240,0.55) 80%, rgba(253,249,240,0) 100%);
  padding:64px var(--margin-safe) 40px;
}
.hero-overlay .inner{ max-width:640px; margin:0 auto; text-align:center; }
.hero h1{ font-size:clamp(2rem,5.5vw,3.2rem); color:var(--lion-orange-dark); margin-bottom:14px; }
.hero p{ font-size:1.15rem; color:var(--ink-soft); margin:0 0 24px; }
.hero-ctas{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ---------- Sections ---------- */
section{ padding:56px 0; }
.section-head{ text-align:center; max-width:620px; margin:0 auto 40px; }
.eyebrow{
  display:inline-block; font-family:'Work Sans',sans-serif; font-weight:700;
  font-size:0.8rem; letter-spacing:0.05em; text-transform:uppercase;
  background:var(--owl-teal); color:#fff; padding:6px 16px; border-radius:var(--radius-full);
  margin-bottom:14px;
}
.section-head h2{ font-size:clamp(1.7rem,4vw,2.3rem); color:var(--octopus-blue); margin-bottom:10px; }
.section-head p{ color:var(--ink-soft); margin:0; }

/* ---------- Character cards ---------- */
.pals-grid{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:20px;
}
.pal-card{ display:flex; flex-direction:column; }
.pal-card img{ aspect-ratio:1/1; object-fit:cover; }
.pal-card .body{ padding:16px 18px 20px; }
.pal-card h3{ font-size:1.2rem; margin-bottom:6px; }
.subject-chip{
  display:inline-block; font-family:'Work Sans',sans-serif; font-weight:700;
  font-size:0.72rem; letter-spacing:0.03em; text-transform:uppercase;
  padding:4px 12px; border-radius:var(--radius-full); color:#fff; margin-bottom:8px;
}
.pal-card p.desc{ color:var(--ink-soft); font-size:0.92rem; margin:0 0 12px; }

/* subject colors */
.subj-maths{ background:var(--lion-orange); }
.subj-science{ background:var(--owl-teal); }
.subj-rhymes{ background:var(--bee-yellow-dark); }
.subj-life-lessons{ background:var(--turtle-green); }
.subj-adventure{ background:var(--octopus-blue); }

/* ---------- Episode / video cards ---------- */
.episode-grid{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:20px;
}
.episode-card{ display:flex; flex-direction:column; cursor:pointer; border:0; text-align:left; background:var(--surface-card); }
.episode-card:focus-visible{ outline:4px solid var(--octopus-blue); outline-offset:2px; }
.episode-card .thumb-wrap{ position:relative; aspect-ratio:16/9; background:var(--surface-high); overflow:hidden; }
.episode-card .thumb-wrap img{ width:100%; height:100%; object-fit:cover; }
.episode-card .play-badge{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  background:rgba(28,28,23,0.15); opacity:0; transition:opacity .15s ease;
}
.episode-card:hover .play-badge{ opacity:1; }
.episode-card .play-badge .material-symbols-outlined{
  font-size:48px; color:#fff; filter:drop-shadow(0 2px 4px rgba(0,0,0,0.4));
}
.episode-card .body{ padding:14px 16px 18px; display:flex; flex-direction:column; gap:8px; flex:1; }
.episode-card h3{ font-family:'Plus Jakarta Sans',sans-serif; font-weight:700; font-size:1rem; margin:0; line-height:1.25; }
.episode-card p{ margin:0; font-size:0.9rem; color:var(--ink-soft); flex:1; }

/* Filter pills */
.filter-row{ display:flex; gap:10px; flex-wrap:wrap; justify-content:center; margin-bottom:32px; }
.filter-pill{
  font-family:'Work Sans',sans-serif; font-weight:600; font-size:0.9rem;
  padding:10px 18px; border-radius:var(--radius-full);
  border:2px solid var(--outline-soft); background:var(--surface-card); color:var(--ink-soft);
  cursor:pointer; min-height:44px;
}
.filter-pill.active{ background:var(--lion-orange); border-color:var(--outline); color:#fff; }

.search-row{ max-width:420px; margin:0 auto 32px; }
.search-row input{
  width:100%; padding:14px 20px; border-radius:var(--radius-full);
  border:2px solid var(--outline-soft); font-family:'Quicksand',sans-serif; font-size:1rem;
  min-height:var(--touch-min);
}

/* Skeleton loading */
.skeleton{ background:linear-gradient(90deg, var(--surface-high) 25%, var(--surface-container) 37%, var(--surface-high) 63%); background-size:400% 100%; animation:skeleton 1.4s ease infinite; }
@keyframes skeleton{ 0%{background-position:100% 50%;} 100%{background-position:0 50%;} }
.skeleton-card{ height:260px; border-radius:var(--radius-xl); }

.empty-state{ text-align:center; padding:48px 24px; color:var(--ink-soft); font-family:'Work Sans',sans-serif; }

/* ---------- Video modal ---------- */
.modal-backdrop{
  position:fixed; inset:0; z-index:100;
  background:rgba(75,168,168,0.35);
  backdrop-filter:blur(6px);
  display:none; align-items:center; justify-content:center;
  padding:20px;
}
.modal-backdrop.open{ display:flex; }
.modal-box{
  background:#000; border-radius:var(--radius-md); overflow:hidden;
  width:100%; max-width:880px; position:relative;
  border:4px solid var(--surface-card);
  box-shadow:0 10px 0 rgba(0,0,0,0.2);
}
.modal-box .frame-wrap{ aspect-ratio:16/9; }
.modal-box iframe{ width:100%; height:100%; border:0; }
.modal-close{
  position:absolute; top:-46px; right:0;
  width:40px; height:40px; border-radius:50%;
  background:var(--surface-card); border:3px solid var(--outline);
  display:flex; align-items:center; justify-content:center; cursor:pointer;
}
.modal-watch{
  display:block; text-align:center; padding:14px; background:var(--surface-card);
  font-family:'Plus Jakarta Sans',sans-serif; font-weight:700; color:var(--lion-orange-dark);
}

/* ---------- Learning corner ---------- */
.subject-grid{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  gap:20px;
}
.subject-card{ padding:26px 22px; text-align:center; }
.subject-card .icon-badge{
  width:56px; height:56px; border-radius:50%; margin:0 auto 14px;
  display:flex; align-items:center; justify-content:center; font-size:1.6rem;
  border:3px solid var(--outline);
}
.subject-card h3{ font-size:1.15rem; margin-bottom:8px; }
.subject-card p{ color:var(--ink-soft); font-size:0.92rem; margin:0 0 16px; }

/* ---------- Parents ---------- */
.parents-list{ padding-left:20px; color:var(--ink-soft); }
.parents-list li{ margin-bottom:10px; }
.trust-box{ background:var(--surface-container); border-radius:var(--radius-xl); padding:28px; border:3px solid var(--outline); }

/* ---------- Footer ---------- */
footer.site-footer{
  text-align:center; padding:48px 24px 90px; color:var(--ink-soft);
  font-family:'Work Sans',sans-serif; font-size:0.9rem;
}
footer.site-footer .btn{ margin-bottom:16px; }
@media (min-width:761px){ footer.site-footer{ padding-bottom:48px; } }

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