:root {
  --kitabo-white: #FFFFFF;
  --kitabo-red: #D71920;
  --kitabo-red-dark: #B51218;
  --kitabo-blue: #174A7E;
  --kitabo-blue-dark: #10365D;
  --kitabo-text: #263645;
  --kitabo-text-muted: #5E6B76;
  --kitabo-border: #DCE4EB;
  --kitabo-blue-light: #F3F7FA;
  --primary: var(--kitabo-red);
  --primary-dark: var(--kitabo-red-dark);
  --background: var(--kitabo-white);
  --surface: var(--kitabo-white);
  --text: var(--kitabo-text);
  --muted: var(--kitabo-text-muted);
  --border: var(--kitabo-border);
  --soft: var(--kitabo-blue-light);
  --focus: var(--kitabo-red);
  --danger: #8B1E24;
  --shadow: 0 24px 70px rgba(16, 54, 93, 0.09);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--background);
  color: var(--text);
  line-height: 1.5;
}

a { color: var(--primary); }

button,
input,
select,
textarea { font: inherit; }

button,
.button {
  border: 0;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  padding: 0.78rem 1.1rem;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
  min-height: 44px;
}

button:hover,
.button:hover { background: var(--primary-dark); }

.ghost-button {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.danger-button {
  background: var(--danger);
  color: #fff;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: -5rem;
  left: 1rem;
  z-index: 5;
  background: var(--text);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
}

.skip-link:focus { top: 1rem; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.97);
  position: sticky;
  top: 0;
  z-index: 3;
  backdrop-filter: blur(16px);
}

.brand-block {
  display: grid;
  gap: 0.1rem;
  color: inherit;
  text-decoration: none;
}

.brand-block strong {
  font-size: 1.45rem;
  color: var(--primary);
}

.brand-block span,
.helper,
.notice,
.eyebrow,
.field-error,
.live-region { color: var(--muted); }

.header-labels {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--muted);
}

.header-labels a,
.site-footer a {
  color: inherit;
  font-weight: 750;
}

.header-labels .nav-rfq {
  color: #fff;
  background: var(--primary);
  border-radius: 999px;
  padding: 0.55rem 0.85rem;
  text-decoration: none;
}

.site-footer {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

main {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.hero,
.basket-panel,
.rfq-form fieldset,
.prepared-summary,
.confirm-panel,
.empty-state {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2rem;
  box-shadow: var(--shadow);
  padding: clamp(1.1rem, 3vw, 2rem);
}

.hero {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.hero h1,
.section-heading h2,
legend {
  margin: 0;
  letter-spacing: -0.03em;
}

.hero h1 { font-size: clamp(2.2rem, 6vw, 4.6rem); }

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-size: 0.75rem;
  font-weight: 800;
}

.notice {
  background: var(--soft);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 0.85rem 1rem;
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 1rem 0;
}

.status-strip article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 1rem;
}

.status-strip strong {
  display: block;
  font-size: 1.8rem;
  color: var(--primary);
}

.rfq-workspace,
.rfq-form {
  display: grid;
  gap: 1rem;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.line-list {
  display: grid;
  gap: 0.8rem;
}

.line-card {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 1rem;
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 1rem;
  background: var(--background);
}

.line-card img,
.product-placeholder {
  width: 96px;
  height: 96px;
  border-radius: 1rem;
  object-fit: contain;
  background: var(--surface);
  border: 1px solid var(--border);
}

.product-placeholder {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 0.75rem;
  text-align: center;
  padding: 0.4rem;
}

.line-body {
  display: grid;
  gap: 0.75rem;
}

.line-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.code-pill {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.25rem 0.6rem;
  background: var(--surface);
  font-weight: 800;
}

.line-meta,
.totals-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.6rem;
}

.line-meta span,
.totals-grid span {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 0.55rem 0.65rem;
}

.line-controls {
  display: grid;
  grid-template-columns: minmax(130px, 180px) 1fr auto;
  gap: 0.75rem;
  align-items: end;
}

label {
  display: grid;
  gap: 0.35rem;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  background: var(--surface);
  color: var(--text);
  padding: 0.78rem 0.85rem;
  min-height: 44px;
}

textarea { resize: vertical; }

fieldset {
  border: 0;
  margin: 0;
}

legend {
  font-size: 1.35rem;
  font-weight: 850;
  margin-bottom: 1rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.field-help {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 500;
}

.file-preview,
.error-summary,
.submission-result {
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 0.85rem;
  background: var(--soft);
}

.error-summary,
.submission-result.is-error {
  border-color: var(--primary);
  color: var(--primary-dark);
}

.submission-result.is-success {
  border-color: var(--border);
  color: var(--text);
}

.submission-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 1rem;
  background: var(--soft);
}

.submission-panel h2 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
}

.submission-panel p {
  margin: 0.25rem 0;
  color: var(--muted);
}

.bot-check {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.rfq-submitted input,
.rfq-submitted select,
.rfq-submitted textarea {
  background: var(--soft);
}

.action-bar,
.summary-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.summary-output {
  display: grid;
  gap: 1rem;
}

.summary-card {
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--background);
  padding: 1rem;
}

.summary-card h3 { margin-top: 0; }

.summary-card ul {
  margin: 0;
  padding-left: 1.2rem;
}

[hidden] { display: none !important; }

@media (max-width: 900px) {
  .site-header,
  .section-heading,
  .line-head {
    align-items: stretch;
    flex-direction: column;
  }

  .status-strip,
  .line-meta,
  .totals-grid,
  .form-grid,
  .option-grid,
  .line-controls,
  .submission-panel {
    grid-template-columns: 1fr;
  }

  .span-2 { grid-column: auto; }
}

@media (max-width: 640px) {
  main { width: min(100% - 1rem, 1180px); }

  .hero,
  .basket-panel,
  .rfq-form fieldset,
  .prepared-summary,
  .confirm-panel,
  .empty-state {
    border-radius: 1.25rem;
  }

  .line-card {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

@media print {
  body { background: #fff; color: #000; }
  .site-header,
  .site-footer,
  .hero,
  .basket-panel,
  .rfq-form,
  .status-strip,
  .action-bar,
  .summary-actions,
  .empty-state,
  .confirm-panel,
  .submission-panel,
  .submission-result,
  .skip-link { display: none !important; }
  .prepared-summary {
    box-shadow: none;
    border: 0;
    padding: 0;
  }
  .summary-card {
    break-inside: avoid;
    border-color: #999;
  }
}

.brand-logo { display:block; width:174px; height:52px; overflow:hidden; flex:0 0 174px; }
.brand-logo img { display:block; width:284px; height:auto; max-width:none; transform:translate(-55px,-67px); }
.site-header { background:rgba(255,255,255,.97); }
.header-labels a { color:var(--kitabo-blue); font-weight:700; }
.header-labels a:hover { color:var(--kitabo-blue-dark); text-decoration:underline; text-underline-offset:5px; }
.header-labels .nav-rfq { color:var(--kitabo-white); text-decoration:none; }
.hero h1,.basket-panel h2,.form-panel h2,.confirm-panel h2,.summary-card h3 { color:var(--kitabo-blue); }
.eyebrow { color:var(--kitabo-blue); }
.hero,.basket-panel,.form-panel,.confirm-panel,.summary-card { border-color:var(--border); background:var(--surface); }
input,select,textarea { border-color:var(--border); background:var(--surface); color:var(--text); }
@media(max-width:640px){.brand-logo{width:142px;height:44px;flex-basis:142px}.brand-logo img{width:235px;transform:translate(-46px,-56px)}}