/* ==========================================================================
   IdeaVerse — Design System
   Ink/Paper editorial palette, one accent per moment.
   ========================================================================== */

:root{
  --ink:        #12101C;
  --ink-text:   #1B1826;
  --paper:      #F1EFEA;
  --paper-alt:  #FFFFFF;
  --line:       #DAD5C8;
  --signal:     #6C5CE7;
  --signal-ink: #FFFFFF;
  --muted:      #6E6A7C;

  --v-tech:     #2FAE8A;
  --v-business: #C98A2E;
  --v-career:   #3E6FD9;
  --v-kids:     #E56A4C;
  --v-life:     #9A76C4;
  --v-explore:  #B79A3F;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --maxw: 1160px;
  --gutter: 24px;
  --radius: 3px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink-text);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }

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

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.12;
  margin:0 0 0.4em;
  color:var(--ink);
  letter-spacing:-0.01em;
}
h1{ font-size:clamp(2.4rem, 5vw + 1rem, 4.4rem); font-weight:500; }
h2{ font-size:clamp(1.7rem, 2.6vw + 1rem, 2.6rem); }
h3{ font-size:1.3rem; }
p{ margin:0 0 1em; max-width:62ch; color:var(--ink-text); }
.lede{ font-size:1.15rem; color:var(--muted); max-width:48ch; }

.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 var(--gutter); }
.section{ padding:72px 0; }
.section + .section{ border-top:1px solid var(--line); }
.section--tight{ padding:44px 0; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--radius);
  font-family:var(--font-body);
  font-weight:600;
  font-size:0.98rem;
  border:1px solid transparent;
  cursor:pointer;
  min-height:44px;
  transition:background-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}
.btn--primary{ background:var(--signal); color:var(--signal-ink); }
.btn--primary:hover{ background:#5b4cd6; transform:translateY(-1px); }
.btn--ghost{ background:transparent; border-color:var(--ink); color:var(--ink); }
.btn--ghost:hover{ background:var(--ink); color:var(--paper); }
.btn--block{ width:100%; justify-content:center; }

/* ---------- Header / nav ---------- */
.site-header{
  border-bottom:1px solid var(--line);
  position:sticky; top:0;
  background:rgba(241,239,234,0.92);
  backdrop-filter:blur(8px);
  z-index:50;
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  min-height:72px;
}
.wordmark{
  font-family:var(--font-display);
  font-size:1.4rem;
  font-weight:600;
  color:var(--ink);
}
.wordmark span{ color:var(--signal); }
.main-nav{ display:flex; align-items:center; gap:28px; }
.main-nav a{
  font-size:0.95rem; font-weight:600; color:var(--ink-text);
  padding:6px 2px; border-bottom:2px solid transparent;
  transition:border-color 0.15s ease;
}
.main-nav a:hover, .main-nav a[aria-current="page"]{ border-bottom-color:var(--signal); }
.nav-toggle{
  display:none; background:none; border:1px solid var(--ink); border-radius:var(--radius);
  width:44px; height:44px; align-items:center; justify-content:center; cursor:pointer;
}
.nav-toggle svg{ width:20px; height:20px; }

@media (max-width: 860px){
  .main-nav{
    display:none;
    position:absolute; left:0; right:0; top:72px;
    background:var(--paper-alt);
    border-bottom:1px solid var(--line);
    flex-direction:column; align-items:flex-start; gap:0;
    padding:8px var(--gutter) 20px;
  }
  .main-nav.is-open{ display:flex; }
  .main-nav a{ padding:12px 0; width:100%; border-bottom:1px solid var(--line); }
  .nav-toggle{ display:flex; }
}

/* ---------- Hero ---------- */
.hero{ padding:96px 0 64px; }
.hero h1{ max-width:14ch; }
.hero .lede{ margin:20px 0 32px; }

.hero--split{
  display:grid;
  grid-template-columns:1fr 420px;
  gap:40px;
  align-items:center;
  padding:64px 0 40px;
}
.hero__art svg{ width:100%; height:auto; }
@media (max-width:900px){
  .hero--split{ grid-template-columns:1fr; }
  .hero__art{ max-width:280px; margin:0 auto; order:-1; }
}

/* ---------- Product cards ---------- */
.grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:36px;
}
@media (max-width:900px){ .grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:620px){ .grid{ grid-template-columns:1fr; gap:32px; } }

.card{ display:block; }
.card__cover{
  aspect-ratio:4/5;
  background:var(--paper-alt);
  border:1px solid var(--line);
  border-radius:var(--radius);
  margin-bottom:16px;
  overflow:hidden;
  transition:border-color 0.2s ease, transform 0.2s ease;
}
.card__cover svg{ width:100%; height:100%; display:block; }
.card__cover img{ width:100%; height:100%; object-fit:cover; }
.card:hover .card__cover{ border-color:var(--tag-color, var(--signal)); transform:translateY(-3px); }
.card__vertical{
  font-size:0.78rem; font-weight:700; text-transform:uppercase; letter-spacing:0.04em;
  color:var(--tag-color, var(--signal));
}
.card__title{ font-family:var(--font-display); font-size:1.2rem; margin:6px 0 6px; color:var(--ink); transition:color 0.15s ease; }
.card:hover .card__title{ color:var(--tag-color, var(--signal)); }
.card__price{ font-weight:700; color:var(--ink); }
.card__strike{ color:var(--muted); text-decoration:line-through; font-weight:500; margin-right:6px; }

/* ---------- Vertical shelf (home) ---------- */
.shelf{ border-top:1px solid var(--line); }
.shelf-row{
  display:flex; align-items:center; justify-content:space-between;
  gap:24px;
  padding:26px 0;
  border-bottom:1px solid var(--line);
  border-left:3px solid var(--row-color, var(--line));
  padding-left:22px;
  transition:background-color 0.15s ease, padding-left 0.15s ease;
}
.shelf-row:hover{ background:rgba(0,0,0,0.02); padding-left:30px; }
.shelf-row .name{ font-family:var(--font-display); font-size:1.5rem; color:var(--ink); }
.shelf-row .desc{ color:var(--muted); margin:0; font-size:0.98rem; }
.shelf-row .meta{ flex:1; }
.shelf-row .status{
  font-size:0.78rem; font-weight:700; color:var(--muted);
  border:1px solid var(--line); border-radius:20px; padding:4px 12px; white-space:nowrap;
}

/* ---------- Vertical page hero band ---------- */
.vhero{ border-left:4px solid var(--accent, var(--signal)); padding-left:24px; }
.vhero .eyebrow{ color:var(--accent, var(--signal)); font-weight:700; }

.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--radius);
  padding:48px 32px;
  text-align:center;
}
.empty-state p{ margin:0 auto; }
.empty-state__mark{ width:100px; height:40px; display:block; margin:0 auto 20px; }

/* ---------- Why section ---------- */
.why-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:0;
}
.why-col{ padding:0 32px; }
.why-col:first-child{ padding-left:0; }
.why-col:last-child{ padding-right:0; }
.why-col + .why-col{ border-left:1px solid var(--line); }
.why-col h3{ margin-bottom:10px; }
.why-col p{ font-size:0.96rem; color:var(--muted); margin:0; }
@media (max-width:760px){
  .why-grid{ grid-template-columns:1fr; gap:28px; }
  .why-col{ padding:0 !important; border-left:none !important; }
}

/* ---------- Product page ---------- */
.product-hero{
  display:grid; grid-template-columns:340px 1fr; gap:56px; align-items:start;
}
@media (max-width:760px){ .product-hero{ grid-template-columns:1fr; } }
.product-cover{
  aspect-ratio:4/5; background:var(--paper-alt); border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}
.product-cover svg{ width:100%; height:100%; display:block; }
.price-row{ display:flex; align-items:baseline; gap:12px; margin:18px 0 24px; }
.price-row .price{ font-family:var(--font-display); font-size:2rem; color:var(--ink); }
.toc-list{ list-style:none; margin:0; padding:0; }
.toc-list li{
  padding:14px 0; border-bottom:1px solid var(--line);
  display:flex; justify-content:space-between; gap:16px; color:var(--muted);
}
.faq details{ border-bottom:1px solid var(--line); padding:16px 0; }
.faq summary{ cursor:pointer; font-weight:700; color:var(--ink); }
.faq p{ margin-top:10px; }
.outcomes-list{ list-style:none; margin:0; padding:0; }
.outcomes-list li{ padding:8px 0 8px 26px; position:relative; }
.outcomes-list li::before{
  content:""; position:absolute; left:0; top:16px; width:8px; height:8px;
  background:var(--accent, var(--signal)); border-radius:1px;
}

/* ---------- Forms ---------- */
.field{ margin-bottom:18px; }
.field label{ display:block; font-weight:700; margin-bottom:6px; font-size:0.92rem; }
.field input, .field textarea{
  width:100%; padding:12px 14px; border:1px solid var(--line); border-radius:var(--radius);
  font-family:var(--font-body); font-size:1rem; background:var(--paper-alt);
}
.field input:focus, .field textarea:focus{ border-color:var(--signal); }

/* ---------- Footer ---------- */
.site-footer{ background:var(--ink); color:#E8E5F0; padding:56px 0 32px; }
.site-footer a{ color:#E8E5F0; }
.footer-cols{ display:flex; gap:64px; flex-wrap:wrap; margin-bottom:40px; }
.footer-col h4{ color:#E8E5F0; font-size:0.9rem; text-transform:uppercase; letter-spacing:0.04em; margin-bottom:14px; }
.footer-col a{ display:block; padding:5px 0; color:#B9B3CC; font-size:0.95rem; }
.footer-col a:hover{ color:#fff; }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.12); padding-top:24px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
  font-size:0.85rem; color:#8B84A3;
}

.legal-body h2{ margin-top:1.6em; }
.legal-body p, .legal-body li{ color:var(--ink-text); max-width:70ch; }