:root{
    --bg:#f7f4ef;
    --card:#ffffff;
    --ink:#1b1b1b;
    --muted:#666;
    --primary:#235347;
    --primary-2:#f3a712;
    --secondary:#ece7de;
    --danger:#b42318;
    --border:#dfd7cb;
    --shadow:0 10px 30px rgba(0,0,0,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink)}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1120px,92%);margin:0 auto}
.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:30}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:16px 0;gap:18px}
.brand{display:flex;align-items:center;gap:10px;font-size:1.15rem;font-weight:700}
.site-nav{display:flex;gap:18px;flex-wrap:wrap}
.site-nav a{padding:10px 12px;border-radius:999px}
.site-nav a:hover{background:var(--secondary)}
.hero{padding:42px 0}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.1em;font-size:.78rem;color:var(--primary)}
h1,h2,h3,h4,p{margin-top:0}
h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1.05;margin-bottom:14px}
.hero p{font-size:1.05rem;color:var(--muted);max-width:620px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:12px;padding:12px 18px;font-weight:700;cursor:pointer}
.btn-primary{background:var(--primary);color:#fff}
.btn-secondary{background:var(--secondary);color:var(--ink)}
.btn-dark{background:#111;color:#fff}
.btn-block{width:100%}
.small{padding:8px 12px;font-size:.9rem}
.section-head{display:flex;justify-content:space-between;gap:16px;align-items:end;margin:12px 0 18px}
.filters{display:grid;grid-template-columns:2fr 1fr auto auto;gap:12px;margin-bottom:20px}
input,select,textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:12px;background:#fff;font:inherit}
textarea{resize:vertical}
.catalog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:22px;padding-bottom:30px}
.book-card,.card,.stat-card,.slideshow-card{background:var(--card);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.book-card img{aspect-ratio:3/4;object-fit:cover;width:100%}
.book-body{padding:16px}
.pill{display:inline-block;background:#eff7f4;color:var(--primary);padding:6px 10px;border-radius:999px;font-size:.8rem;margin-bottom:10px}
.book-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);margin:14px 0}
.muted{color:var(--muted)}
.slideshow-card{position:relative;min-height:520px}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .6s ease}
.slide.active{opacity:1}
.slide img{width:100%;height:100%;object-fit:cover}
.slide-caption{position:absolute;left:18px;right:18px;bottom:18px;background:rgba(255,255,255,.92);border-radius:14px;padding:12px 14px;display:flex;justify-content:space-between;gap:12px}
.cart-panel{position:fixed;top:0;right:-420px;width:min(420px,100%);height:100vh;background:#fff;box-shadow:var(--shadow);z-index:60;display:flex;flex-direction:column;transition:right .28s ease}
.cart-panel.open{right:0}
.cart-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:55;opacity:0;visibility:hidden;transition:.28s}
.cart-backdrop.open{opacity:1;visibility:visible}
.cart-head,.cart-footer{padding:18px;border-bottom:1px solid var(--border)}
.cart-footer{border-top:1px solid var(--border);border-bottom:none;margin-top:auto}
.cart-items{padding:18px;overflow:auto;display:grid;gap:12px}
.cart-item{display:grid;grid-template-columns:56px 1fr auto;gap:10px;align-items:center}
.cart-item img{width:56px;height:72px;object-fit:cover;border-radius:10px}
.icon-btn{border:none;background:transparent;font-size:2rem;line-height:1;cursor:pointer}
.cart-total-row{display:flex;justify-content:space-between;margin-bottom:14px}
.page-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;padding:30px 0}
.card{padding:24px}
.order-form{display:grid;gap:14px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.alert{padding:14px 16px;border-radius:14px;margin-bottom:16px}
.alert.success{background:#e8f7ee;color:#155b2e}
.alert.error{background:#fdecec;color:#8a1c14}
.order-summary-box{background:#faf8f4;border:1px solid var(--border);border-radius:14px;padding:16px}
.total-lines > div{display:flex;justify-content:space-between;padding:6px 0}
.grand-total{font-size:1.1rem;border-top:1px solid var(--border);margin-top:8px;padding-top:10px}
.steps{padding-left:20px}
.steps li{margin-bottom:10px}
.site-footer{background:#fff;border-top:1px solid var(--border);margin-top:40px}
.footer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:28px 0}
.text-link{color:var(--primary);font-weight:700}
.text-link.danger{color:var(--danger)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:28px 0}
.stat-card{padding:20px}
.stat-card span{display:block;color:var(--muted);margin-bottom:10px}
.stat-card strong{font-size:2rem}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:12px 10px;border-bottom:1px solid var(--border);vertical-align:top;text-align:left}
.inline-form{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.order-detail-row td{background:#fcfaf7}
.narrow{width:min(560px,92%)}
.checkbox-line{display:flex;align-items:center;gap:10px}
.checkbox-line input{width:auto}
.terms-text{white-space:normal;line-height:1.65;color:#333}
@media (max-width:900px){
  .hero-grid,.page-grid,.footer-grid,.stats-grid{grid-template-columns:1fr}
  .filters,.form-grid{grid-template-columns:1fr}
  .site-nav{justify-content:flex-start}
}