:root {
  --ink: #141414;
  --paper: #f5f0e7;
  --white: #fff;
  --gold: #bd9145;
  --gold-dark: #8e682c;
  --muted: #66635d;
  --line: #d9d0c2;
  --success: #256d47;
  --danger: #9b2f2f;
  --radius: 18px;
  font-family: "Poppins", "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); line-height: 1.6; }
a { color: var(--gold-dark); text-underline-offset: 3px; }
.site-header, .site-footer {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; padding: 18px max(24px, calc((100vw - 1180px) / 2));
  background: var(--ink); color: var(--white);
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--white); text-decoration: none; letter-spacing: .12em; font-weight: 700; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--gold); color: var(--gold); font-family: Georgia, serif; font-size: 22px; }
.header-link, .site-footer a { color: var(--white); }
.header-nav { display: flex; align-items: center; gap: 22px; }
.cart-link { display: inline-flex; align-items: center; gap: 7px; text-decoration: none; }
.cart-link span { display: grid; place-items: center; min-width: 25px; height: 25px; padding: 0 7px; border-radius: 999px; background: var(--gold); color: #111; font-size: .78rem; }
main { overflow: hidden; }
.hero, .purchase, .contents, .legal, .status-page, .catalog-intro, .catalog-grid, .catalog-back, .cart-layout {
  width: min(1180px, calc(100% - 40px)); margin: 0 auto;
}
.hero { display: grid; grid-template-columns: 1.2fr .8fr; gap: 70px; align-items: center; padding: 74px 0 84px; }
.eyebrow { color: var(--gold-dark); letter-spacing: .16em; font-size: .78rem; font-weight: 800; }
h1, h2, h3 { line-height: 1.12; margin-top: 0; }
h1 { font-size: clamp(2.7rem, 6vw, 5.5rem); letter-spacing: -.045em; max-width: 850px; }
h2 { font-size: clamp(2rem, 4vw, 3.6rem); letter-spacing: -.035em; }
.lead { max-width: 700px; color: #3f3d39; font-size: 1.25rem; }
.benefits { padding: 0; list-style: none; margin: 28px 0; }
.benefits li { position: relative; padding: 8px 0 8px 30px; }
.benefits li::before { content: "✓"; position: absolute; left: 0; color: var(--gold-dark); font-weight: 900; }
.price-row { display: flex; align-items: baseline; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.price { font-size: 2.2rem; font-weight: 800; }
.price-note, .optional, .small, .secure-note { color: var(--muted); font-size: .9rem; }
.cover-wrap { position: relative; display: grid; place-items: center; }
.cover-wrap::before { content: ""; position: absolute; inset: 10% -12%; background: var(--gold); opacity: .18; border-radius: 50%; filter: blur(30px); }
.book-cover { position: relative; width: min(100%, 390px); height: auto; border-radius: 3px 12px 12px 3px; box-shadow: 0 30px 65px rgba(0,0,0,.28); transform: rotate(2deg); }
.purchase { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; padding: 70px; background: var(--white); border-radius: var(--radius); box-shadow: 0 22px 70px rgba(42,31,14,.1); }
.steps { padding-left: 22px; }
.checkout-form { display: grid; gap: 16px; }
.checkout-form > label { display: grid; gap: 6px; font-weight: 700; font-size: .9rem; }
input { width: 100%; border: 1px solid var(--line); border-radius: 9px; padding: 13px 14px; background: #fff; font: inherit; }
input:focus { outline: 3px solid rgba(189,145,69,.25); border-color: var(--gold); }
select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 9px; padding: 13px 14px; background: #fff; font: inherit; }
.field-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 14px; }
.field-grid label { display: grid; gap: 6px; font-weight: 700; font-size: .9rem; }
.consents { display: grid; gap: 12px; padding: 18px; border: 1px solid var(--line); border-radius: 12px; }
.consents legend { padding: 0 8px; font-weight: 800; }
.check { display: grid; grid-template-columns: 22px 1fr; align-items: start; gap: 10px; font-size: .88rem; }
.check input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--gold-dark); }
.buy-button { display: block; width: 100%; border: 0; border-radius: 10px; padding: 16px 22px; background: var(--gold); color: #111; font: inherit; font-weight: 900; cursor: pointer; text-align: center; text-decoration: none; }
.buy-button:hover { background: #d0a75f; }
.buy-button:disabled { opacity: .65; cursor: wait; }
.secure-note { text-align: center; margin: -4px 0 0; }
.alert { border-left: 5px solid var(--danger); background: #fff0f0; padding: 14px 18px; border-radius: 8px; }
.alert ul { margin-bottom: 0; }
.contents { padding: 105px 0; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card-grid article { min-height: 210px; padding: 27px; background: rgba(255,255,255,.62); border: 1px solid var(--line); border-radius: 14px; }
.card-grid span { color: var(--gold); font-weight: 900; font-size: 1.5rem; }
.card-grid h3 { margin: 30px 0 8px; font-size: 1.4rem; }
.site-footer { align-items: start; font-size: .86rem; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.status-page { min-height: 68vh; display: grid; place-items: center; align-content: center; text-align: center; padding: 70px 0; max-width: 720px; }
.status-page h1 { font-size: clamp(2.2rem, 6vw, 4rem); }
.status-icon { display: grid; place-items: center; width: 70px; height: 70px; border: 2px solid var(--gold); border-radius: 50%; color: var(--gold-dark); font-size: 2rem; font-weight: 900; margin-bottom: 20px; }
.inline-button { width: auto; margin: 18px auto; }
.notice { padding: 12px 18px; border-radius: 8px; background: #fff4d8; }
.legal { max-width: 860px; padding: 80px 0 110px; }
.legal h1 { font-size: clamp(2.4rem, 6vw, 4.6rem); }
.legal h2 { margin-top: 50px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 1.65rem; letter-spacing: -.02em; }
.legal dl { display: grid; grid-template-columns: 170px 1fr; gap: 8px 20px; }
.legal dt { font-weight: 800; }
.legal dd { margin: 0; }
.catalog-intro { padding: 82px 0 42px; max-width: 850px; }
.catalog-intro h1 { font-size: clamp(2.7rem, 7vw, 5.5rem); margin-bottom: 20px; }
.catalog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 28px; padding: 20px 0 100px; }
.product-card { overflow: hidden; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 18px 48px rgba(42,31,14,.08); }
.product-card-cover { display: grid; place-items: center; min-height: 320px; padding: 24px; background: #f3eee4; }
.product-card-cover img { display: block; max-width: 100%; max-height: 360px; object-fit: contain; box-shadow: 0 16px 36px rgba(0,0,0,.16); }
.product-card-body { padding: 28px; }
.product-card-body h2 { font-size: 1.55rem; margin: 8px 0 12px; }
.product-card-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 26px; }
.product-card-footer strong { font-size: 1.35rem; }
.product-card-footer .inline-button { margin: 0; }
.product-card-actions { display: flex; align-items: center; gap: 12px; }
.product-card-actions form { margin: 0; }
.product-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }
.product-meta span { padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; font-size: .86rem; }
.catalog-back { padding: 28px 0 90px; }
.download-list { display: grid; width: min(100%, 680px); gap: 12px; margin: 22px 0; text-align: left; }
.download-list article { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.download-list article div { display: grid; gap: 4px; }
.download-list article span { color: var(--muted); font-size: .86rem; }
.download-list .inline-button { margin: 0; }
.add-to-cart-form { max-width: 360px; margin-top: 26px; }
.purchase-summary { align-items: start; }
.cart-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr); gap: 42px; align-items: start; padding: 10px 0 110px; }
.cart-products, .cart-checkout { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: 0 18px 48px rgba(42,31,14,.08); }
.cart-products h2, .cart-checkout h2 { margin-top: 0; }
.cart-item { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.cart-item h3 { margin: 3px 0 7px; }
.cart-item p { margin: 0; }
.cart-item-actions { display: grid; justify-items: end; gap: 9px; flex: 0 0 auto; }
.text-button { border: 0; padding: 0; background: transparent; color: var(--danger); font: inherit; text-decoration: underline; cursor: pointer; }
.cart-total { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; padding: 24px 0; font-size: 1.1rem; }
.cart-total strong { font-size: 1.6rem; }
.cart-checkout { display: grid; gap: 15px; }
.empty-cart { min-height: 46vh; }
.admin-page { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: 64px 0 110px; }
.admin-page h1 { font-size: clamp(2.3rem, 5vw, 4.2rem); overflow-wrap: anywhere; }
.admin-title { display: flex; align-items: start; justify-content: space-between; gap: 24px; }
.admin-form { width: min(100%, 460px); }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 28px 0 55px; }
.metric-grid article { display: grid; gap: 12px; padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.metric-grid span { color: var(--muted); }
.metric-grid strong { font-size: 1.6rem; }
.table-wrap { overflow-x: auto; margin-bottom: 50px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
.badge { display: inline-block; padding: 5px 9px; background: #ede7db; border-radius: 999px; font-size: .8rem; }
.order-meta { display: grid; grid-template-columns: 130px 1fr; gap: 10px 22px; padding: 24px; background: #fff; border-radius: 14px; }
.order-meta dt { font-weight: 800; }
.order-meta dd { margin: 0; overflow-wrap: anywhere; }
.admin-cards { display: grid; gap: 15px; }
.admin-cards article, .library-order { padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.refund-form { display: grid; grid-template-columns: 1fr auto; gap: 12px; }
.danger-button { border: 0; border-radius: 8px; padding: 12px 16px; background: var(--danger); color: #fff; cursor: pointer; }
.admin-two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 55px; }
.admin-panel { padding: 28px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.product-editor { display: grid; gap: 16px; margin-bottom: 55px; }
.product-editor label { display: grid; gap: 6px; font-weight: 700; font-size: .9rem; }
.library-order { margin-bottom: 20px; }
.library-item { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 18px 0; border-top: 1px solid var(--line); }
.library-item h2 { font-size: 1.5rem; margin-bottom: 6px; }
.updates { display: flex; flex-wrap: wrap; gap: 12px; padding: 15px; background: #f6f1e8; border-radius: 10px; }

@media (max-width: 850px) {
  .hero, .purchase, .cart-layout, .admin-two-column { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .hero { gap: 48px; padding-top: 50px; }
  .cover-wrap { grid-row: 1; }
  .book-cover { width: min(74vw, 340px); }
  .purchase { padding: 34px 24px; gap: 38px; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .site-footer { flex-direction: column; }
}

@media (max-width: 560px) {
  .site-header { padding-inline: 18px; }
  .brand { font-size: .8rem; }
  .hero, .purchase, .contents, .legal, .status-page, .catalog-intro, .catalog-grid, .catalog-back, .cart-layout { width: min(100% - 28px, 1180px); }
  .field-grid, .card-grid { grid-template-columns: 1fr; }
  .product-card-footer, .download-list article, .cart-item { align-items: stretch; flex-direction: column; }
  .cart-item-actions { justify-items: start; }
  .legal dl { grid-template-columns: 1fr; }
  .legal dd { margin-bottom: 12px; }
  .metric-grid { grid-template-columns: 1fr; }
  .refund-form { grid-template-columns: 1fr; }
  .library-item { align-items: stretch; flex-direction: column; }
}