/* Boekstract — shared styles. Rebrand: find/replace "Boekstract" and the domain in all HTML. */
:root {
  --bg: #ffffff;
  --bg-soft: #f5f7fa;
  --bg-card: #ffffff;
  --text: #12151c;
  --text-soft: #4a5568;
  --border: #e4e8ee;
  --brand: #1f6feb;
  --brand-dark: #1552c0;
  --accent: #10b981;
  --shadow: 0 1px 3px rgba(16,21,28,.06), 0 8px 24px rgba(16,21,28,.06);
  --radius: 14px;
  --maxw: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117; --bg-soft: #12161d; --bg-card: #161b22;
    --text: #e8edf4; --text-soft: #9aa7b8; --border: #232a35;
    --brand: #4d90fe; --brand-dark: #3b7ae0;
    --shadow: 0 1px 3px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.4);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased;
}
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.02em; }
h1 { font-size: clamp(1.9rem, 4vw, 2.9rem); margin: 0 0 .4em; }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin: 2.2rem 0 .8rem; }
h3 { font-size: 1.15rem; margin: 1.4rem 0 .4rem; }
p { margin: 0 0 1rem; color: var(--text-soft); }

/* Header */
.site-header { border-bottom: 1px solid var(--border); position: sticky; top: 0; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); z-index: 20; }
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 700; font-size: 1.15rem; color: var(--text); letter-spacing: -.03em; }
.brand span { color: var(--brand); }
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a { color: var(--text-soft); font-size: .95rem; font-weight: 500; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
@media (max-width: 640px){ .nav-links a:not(.btn){ display:none; } }

/* Buttons */
.btn { display: inline-block; background: var(--brand); color: #fff; padding: 12px 22px; border-radius: 10px; font-weight: 600; border: none; cursor: pointer; font-size: 1rem; transition: background .15s; }
.btn:hover { background: var(--brand-dark); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--bg-soft); }
.btn-lg { padding: 15px 30px; font-size: 1.08rem; }

/* Hero */
.hero { padding: 68px 0 40px; text-align: center; }
.hero p.lead { font-size: 1.2rem; max-width: 620px; margin: 0 auto 1.8rem; color: var(--text-soft); }
.eyebrow { display:inline-block; font-size:.8rem; font-weight:600; text-transform:uppercase; letter-spacing:.08em; color:var(--brand); background:color-mix(in srgb, var(--brand) 12%, transparent); padding:5px 12px; border-radius:99px; margin-bottom:18px; }
.cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* Upload / waitlist widget */
.dropzone { max-width: 520px; margin: 34px auto 0; border: 2px dashed var(--border); border-radius: var(--radius); padding: 34px 24px; background: var(--bg-card); box-shadow: var(--shadow); }
.dropzone strong { color: var(--text); }
.waitlist { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; justify-content: center; }
.waitlist input[type=email]{ flex:1; min-width: 220px; padding: 12px 14px; border:1px solid var(--border); border-radius:10px; background:var(--bg); color:var(--text); font-size:1rem; }
.note { font-size:.85rem; color:var(--text-soft); margin-top:10px; }

/* Sections & cards */
section { padding: 8px 0; }
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); margin: 16px 0; }
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.card h3 { margin-top: 0; }
.step-num { display:inline-flex; width:34px; height:34px; align-items:center; justify-content:center; border-radius:50%; background:color-mix(in srgb, var(--brand) 15%, transparent); color:var(--brand); font-weight:700; margin-bottom:8px; }
.content { max-width: 760px; margin: 0 auto; padding: 24px 0 8px; }
.content ul { color: var(--text-soft); }
.bank-links { display:flex; flex-wrap:wrap; gap:10px; margin:14px 0; }
.bank-links a { background:var(--bg-soft); border:1px solid var(--border); padding:8px 14px; border-radius:99px; font-weight:500; color:var(--text); }
.bank-links a:hover{ border-color:var(--brand); text-decoration:none; }

/* Pricing */
.price-grid { display:grid; gap:18px; grid-template-columns: repeat(auto-fit, minmax(210px,1fr)); }
.price-card .amount { font-size:2rem; font-weight:700; color:var(--text); }
.price-card.featured { border-color: var(--brand); }

/* FAQ */
.faq details { border-bottom:1px solid var(--border); padding:14px 0; }
.faq summary { cursor:pointer; font-weight:600; color:var(--text); list-style:none; }
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{ content:"+"; float:right; color:var(--text-soft); }
.faq details[open] summary::after{ content:"\2013"; }

/* Callout */
.callout { background: var(--bg-soft); border:1px solid var(--border); border-left:3px solid var(--brand); border-radius:10px; padding:16px 20px; margin:18px 0; }
.callout p:last-child{ margin-bottom:0; }

/* Footer */
.site-footer { border-top:1px solid var(--border); margin-top:56px; padding:36px 0; background:var(--bg-soft); }
.footer-cols { display:grid; gap:24px; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); }
.footer-cols h4 { font-size:.85rem; text-transform:uppercase; letter-spacing:.06em; color:var(--text-soft); margin:0 0 10px; }
.footer-cols a { display:block; color:var(--text-soft); font-size:.92rem; padding:3px 0; }
.footer-cols a:hover{ color:var(--text); text-decoration:none; }
.copyright { color:var(--text-soft); font-size:.85rem; margin-top:24px; }