:root {
   --qb-white: #ffffff;
   --qb-panel: #f7f9fc;
   --qb-panel-2: #eef3fb;
   --qb-text: #0f172a;
   --qb-muted: #55617a;
   --qb-border: #dbe3ef;
   --qb-blue: #2563eb;
   --qb-blue-deep: #1a4bc4;
   --qb-shadow: 0 1px 2px #0f172a14, 0 8px 24px #0f172a0d;
   --qb-radius: 12px;
   --qb-container: 1160px;
}

* { box-sizing: border-box; }

body {
   margin: 0;
   background: var(--qb-white);
   color: var(--qb-text);
   font: 400 16px/1.65 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
   -webkit-text-size-adjust: 100%;
}

h1, h2, h3 {
   margin: 0 0 16px;
   font-weight: 600;
   line-height: 1.2;
   letter-spacing: -0.015em;
}

h1 { font-size: clamp(1.95rem, 4.4vw, 3rem); }

h2 { font-size: 1.9rem; }

h3 {
   font-size: 1.15rem;
   line-height: 1.35;
   margin-bottom: 8px;
}

p { margin: 0 0 16px; }

a {
   color: var(--qb-blue-deep);
   text-decoration: underline;
   text-underline-offset: 3px;
}

a:hover { color: var(--qb-text); }

a:focus-visible,
button:focus-visible,
summary:focus-visible {
   outline: 2px solid var(--qb-blue);
   outline-offset: 2px;
   border-radius: 6px;
}

img {
   display: block;
   max-width: 100%;
   height: auto;
}

table { border-collapse: collapse; }

b { font-weight: 600; }

.qb-header { border-bottom: 1px solid var(--qb-border); background: var(--qb-white); }

.qb-header__inner {
   max-width: var(--qb-container);
   margin: 0 auto;
   padding: 14px 24px;
   display: flex;
   flex-wrap: wrap;
   align-items: center;
   gap: 12px 24px;
}

.qb-logo {
   margin-right: auto;
   text-decoration: none;
   color: inherit;
}

.qb-logo__mark {
   display: block;
   font-size: 1.3rem;
   font-weight: 700;
   letter-spacing: 0.1em;
   color: var(--qb-blue-deep);
}

.qb-logo__sub {
   display: block;
   font-size: 0.74rem;
   color: var(--qb-muted);
   letter-spacing: 0.04em;
}

.qb-topnav {
   display: flex;
   flex-wrap: wrap;
   gap: 2px 20px;
   font-size: 0.93rem;
}

.qb-topnav a {
   display: inline-block;
   padding: 12px 0;
   min-height: 44px;
   color: var(--qb-muted);
   text-decoration: none;
}

.qb-topnav a:hover { color: var(--qb-blue-deep); }

.qb-button {
   display: inline-block;
   padding: 14px 26px;
   min-height: 44px;
   border: 0;
   border-radius: var(--qb-radius);
   background: var(--qb-blue);
   color: #ffffff;
   font: inherit;
   font-weight: 500;
   text-align: center;
   text-decoration: none;
   cursor: pointer;
   transition: background 150ms ease, box-shadow 150ms ease;
}

.qb-button:hover {
   background: var(--qb-blue-deep);
   color: #ffffff;
   box-shadow: var(--qb-shadow);
}

.qb-button--sm { padding: 11px 18px; font-size: 0.9rem; }

.qb-button--lg { padding: 17px 32px; font-size: 1.05rem; }

.qb-button--outline {
   background: var(--qb-white);
   color: var(--qb-blue-deep);
   box-shadow: inset 0 0 0 1px var(--qb-border);
}

.qb-button--outline:hover { background: var(--qb-panel); color: var(--qb-blue-deep); }

.qb-hero {
   background: var(--qb-panel);
   border-bottom: 1px solid var(--qb-border);
   padding-top: 56px;
   padding-bottom: 56px;
}

.qb-hero__inner {
   max-width: var(--qb-container);
   margin: 0 auto;
   padding-left: 24px;
   padding-right: 24px;
}

.qb-hero__eyebrow {
   margin-bottom: 12px;
   font-size: 0.8rem;
   font-weight: 600;
   letter-spacing: 0.1em;
   text-transform: uppercase;
   color: var(--qb-blue-deep);
}

.qb-hero h1 { max-width: 20ch; }

.qb-hero__lead {
   font-size: 1.08rem;
   color: var(--qb-muted);
   max-width: 56ch;
   margin-bottom: 26px;
}

.qb-hero__actions {
   display: flex;
   flex-wrap: wrap;
   gap: 12px;
}

.qb-hero__author {
   margin-top: 26px;
   margin-bottom: 0;
   font-size: 0.85rem;
   color: var(--qb-muted);
}

.qb-shell {
   max-width: var(--qb-container);
   margin: 0 auto;
   padding-left: 24px;
   padding-right: 24px;
}

.qb-rail { padding-top: 34px; }

.qb-rail__nav {
   display: flex;
   flex-wrap: wrap;
   gap: 8px;
   border-bottom: 1px solid var(--qb-border);
   padding-bottom: 18px;
}

.qb-rail__nav a {
   display: inline-block;
   padding: 10px 14px;
   min-height: 44px;
   border-radius: 999px;
   background: var(--qb-panel);
   color: var(--qb-muted);
   font-size: 0.86rem;
   text-decoration: none;
}

.qb-rail__nav a span {
   font-variant-numeric: tabular-nums;
   color: var(--qb-blue);
   margin-right: 6px;
}

.qb-rail__nav a:hover { color: var(--qb-text); }

.qb-rail__nav a.is-active { background: var(--qb-blue); color: #ffffff; }

.qb-rail__nav a.is-active span { color: #c7d8ff; }

.qb-rail__card {
   margin-top: 22px;
   padding: 20px;
   border-radius: var(--qb-radius);
   background: var(--qb-panel);
   font-size: 0.92rem;
}

.qb-rail__card p:last-child { margin-bottom: 0; }

.qb-rail__label {
   font-size: 0.74rem;
   font-weight: 600;
   letter-spacing: 0.12em;
   text-transform: uppercase;
   color: var(--qb-muted);
   margin-bottom: 6px;
}

.qb-rail__note { color: var(--qb-muted); font-size: 0.85rem; }

.qb-content { padding-top: 20px; }

.qb-block {
   padding-top: 44px;
   padding-bottom: 44px;
   border-bottom: 1px solid var(--qb-border);
}

.qb-block:last-child { border-bottom: 0; }

.qb-block p { max-width: 68ch; }

.qb-figure { margin: 26px 0 0; }

.qb-figure__img { width: 100%; border-radius: var(--qb-radius); box-shadow: var(--qb-shadow); }

.qb-figure__cap { margin-top: 12px; font-size: 0.86rem; line-height: 1.6; color: var(--qb-muted); }

.qb-figure--fair { max-width: 560px; }

.qb-figure--street { max-width: 530px; }

.qb-figure--bakery { max-width: 450px; }

.qb-grid {
   display: grid;
   gap: 18px;
   margin-top: 24px;
}

.qb-item {
   padding: 24px;
   border-radius: var(--qb-radius);
   background: var(--qb-white);
   box-shadow: var(--qb-shadow);
}

.qb-item p:last-child {
   margin-bottom: 0;
   color: var(--qb-muted);
   font-size: 0.96rem;
}

.qb-item__tag {
   margin-bottom: 10px;
   font-size: 0.74rem;
   font-weight: 600;
   letter-spacing: 0.1em;
   text-transform: uppercase;
   color: var(--qb-blue-deep);
}

.qb-item--lead { background: var(--qb-panel-2); box-shadow: none; }

.qb-item--lead h3 { font-size: 1.4rem; }

.qb-item--lead p:last-child { color: var(--qb-text); font-size: 1rem; }

.qb-choose {
   margin: 24px 0 0;
   padding-left: 0;
   list-style: none;
   counter-reset: qbc;
}

.qb-choose li {
   counter-increment: qbc;
   position: relative;
   padding: 0 0 18px 46px;
   margin-bottom: 18px;
   border-bottom: 1px solid var(--qb-border);
   color: var(--qb-muted);
   max-width: 68ch;
}

.qb-choose li:last-child { border-bottom: 0; margin-bottom: 0; }

.qb-choose li::before {
   content: counter(qbc);
   position: absolute;
   left: 0;
   top: 0;
   width: 30px;
   height: 30px;
   line-height: 30px;
   text-align: center;
   border-radius: 50%;
   background: var(--qb-blue);
   color: #ffffff;
   font-size: 0.82rem;
   font-weight: 600;
}

.qb-choose b { color: var(--qb-text); }

.qb-time {
   margin: 24px 0 0;
   padding-left: 0;
   list-style: none;
}

.qb-time li {
   position: relative;
   padding-left: 26px;
   padding-bottom: 16px;
   border-left: 2px solid var(--qb-border);
   margin-left: 6px;
   color: var(--qb-muted);
   font-size: 0.97rem;
}

.qb-time li::before {
   content: "";
   position: absolute;
   left: -7px;
   top: 8px;
   width: 12px;
   height: 12px;
   border-radius: 50%;
   background: var(--qb-white);
   box-shadow: 0 0 0 2px var(--qb-blue);
}

.qb-time li:last-child { border-left-color: transparent; padding-bottom: 0; }

.qb-time b {
   color: var(--qb-text);
   margin-right: 8px;
   font-variant-numeric: tabular-nums;
}

.qb-callout {
   margin-top: 22px;
   padding: 20px 22px;
   border-radius: var(--qb-radius);
   background: var(--qb-panel-2);
   font-size: 0.96rem;
}

.qb-tablewrap {
   overflow-x: auto;
   margin-top: 24px;
   border-radius: var(--qb-radius);
   box-shadow: var(--qb-shadow);
}

.qb-table {
   width: 100%;
   min-width: 700px;
   text-align: left;
   font-size: 0.92rem;
   line-height: 1.45;
   background: var(--qb-white);
}

.qb-table caption {
   text-align: left;
   padding: 16px 18px 8px;
   font-size: 0.8rem;
   font-weight: 600;
   letter-spacing: 0.06em;
   text-transform: uppercase;
   color: var(--qb-muted);
}

.qb-table th,
.qb-table td {
   padding: 13px 18px;
   vertical-align: top;
   border-bottom: 1px solid var(--qb-border);
}

.qb-table thead th {
   background: var(--qb-panel);
   font-size: 0.78rem;
   font-weight: 600;
   letter-spacing: 0.05em;
   text-transform: uppercase;
   color: var(--qb-muted);
}

.qb-table tbody th { font-weight: 600; color: var(--qb-blue-deep); }

.qb-table tbody tr:last-child th,
.qb-table tbody tr:last-child td { border-bottom: 0; }

.qb-note {
   margin-top: 12px;
   font-size: 0.85rem;
   font-style: italic;
   color: var(--qb-muted);
}

.qb-myths {
   display: grid;
   gap: 16px;
   margin-top: 24px;
}

.qb-myth {
   padding: 20px 22px;
   border-radius: var(--qb-radius);
   border-left: 4px solid var(--qb-blue);
   background: var(--qb-panel);
}

.qb-myth__a { font-weight: 600; margin-bottom: 8px; }

.qb-myth__b {
   margin-bottom: 0;
   color: var(--qb-muted);
   font-size: 0.96rem;
}

.qb-faq {
   display: grid;
   gap: 10px;
   margin-top: 24px;
}

.qb-faq__row {
   border: 1px solid var(--qb-border);
   border-radius: var(--qb-radius);
   padding: 0 20px;
   background: var(--qb-white);
}

.qb-faq__row summary {
   padding: 17px 0;
   min-height: 44px;
   cursor: pointer;
   font-weight: 600;
   list-style: none;
}

.qb-faq__row summary::-webkit-details-marker { display: none; }

.qb-faq__row summary::after {
   content: "+";
   float: right;
   margin-left: 12px;
   color: var(--qb-blue);
   font-weight: 400;
}

.qb-faq__row[open] summary::after { content: "–"; }

.qb-faq__row p {
   margin: 0;
   padding-bottom: 18px;
   color: var(--qb-muted);
   font-size: 0.96rem;
}

.qb-basis {
   margin: 22px 0 0;
   padding-left: 20px;
   color: var(--qb-muted);
}

.qb-basis li { margin-bottom: 12px; max-width: 68ch; }

.qb-cta {
   margin-top: 20px;
   background: var(--qb-blue-deep);
   padding-top: 68px;
   padding-bottom: 68px;
}

.qb-cta__inner {
   max-width: 760px;
   margin: 0 auto;
   padding-left: 24px;
   padding-right: 24px;
   text-align: center;
   color: #ffffff;
}

.qb-cta h2 { color: #ffffff; }

.qb-cta p { color: #dbe6ff; }

.qb-cta .qb-button { background: #ffffff; color: var(--qb-blue-deep); }

.qb-cta .qb-button:hover { background: var(--qb-panel); color: var(--qb-blue-deep); }

.qb-footer {
   background: var(--qb-panel);
   border-top: 1px solid var(--qb-border);
   padding-top: 46px;
   padding-bottom: 30px;
   font-size: 0.92rem;
   color: var(--qb-muted);
}

.qb-footer__inner {
   max-width: var(--qb-container);
   margin: 0 auto;
   padding-left: 24px;
   padding-right: 24px;
   display: grid;
   gap: 28px;
}

.qb-footer__head {
   margin-bottom: 10px;
   font-size: 0.75rem;
   font-weight: 600;
   letter-spacing: 0.12em;
   text-transform: uppercase;
   color: var(--qb-text);
}

.qb-footer__hint { font-size: 0.86rem; }

.qb-footer__list {
   margin: 0;
   padding: 0;
   list-style: none;
}

.qb-footer__list a {
   display: inline-block;
   padding: 12px 0;
   min-height: 44px;
}

.qb-footer__legal {
   max-width: var(--qb-container);
   margin: 26px auto 0;
   padding: 20px 24px 0;
   border-top: 1px solid var(--qb-border);
   font-size: 0.82rem;
}

.qb-consent {
   position: fixed;
   left: 16px;
   right: 16px;
   bottom: 16px;
   z-index: 50;
   background: var(--qb-white);
   border-radius: var(--qb-radius);
   padding: 22px;
   box-shadow: 0 0 0 1px var(--qb-border), 0 18px 40px #0f172a2b;
}

.qb-consent__text {
   margin-bottom: 14px;
   font-size: 0.9rem;
   line-height: 1.55;
}

.qb-consent__row {
   display: flex;
   flex-wrap: wrap;
   gap: 10px;
}

.qb-consent__row .qb-button { flex: 1 1 auto; }

.qb-doc {
   max-width: 760px;
   margin: 0 auto;
   padding: 44px 24px 72px;
}

.qb-doc h2 { margin-top: 38px; font-size: 1.35rem; }

.qb-doc ul { padding-left: 20px; }

.qb-doc li { margin-bottom: 10px; }

.qb-doc__credits { font-size: 0.92rem; line-height: 1.75; color: var(--qb-muted); }

.qb-doc__meta {
   padding: 14px 18px;
   border-radius: var(--qb-radius);
   background: var(--qb-panel);
   font-size: 0.87rem;
   color: var(--qb-muted);
}

@media (min-width: 640px) {
   .qb-grid { grid-template-columns: 1fr 1fr; }

   .qb-item--lead { grid-column: 1 / -1; }

   .qb-consent {
      left: auto;
      right: 22px;
      bottom: 22px;
      max-width: 460px;
   }

   .qb-consent__row .qb-button { flex: 0 0 auto; }
}

@media (min-width: 960px) {
   .qb-shell {
      display: grid;
      grid-template-columns: 260px 1fr;
      gap: 48px;
      align-items: start;
   }

   .qb-rail {
      position: sticky;
      top: 24px;
      padding-top: 46px;
   }

   .qb-rail__nav {
      display: block;
      border-bottom: 0;
      padding-bottom: 0;
   }

   .qb-rail__nav a {
      display: block;
      padding: 11px 14px;
      border-radius: 8px;
      background: transparent;
   }

   .qb-content { padding-top: 20px; }

   .qb-block { padding-top: 52px; padding-bottom: 52px; }

   .qb-footer__inner { grid-template-columns: 1.2fr 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
   * {
      transition: none !important;
      animation: none !important;
      scroll-behavior: auto !important;
   }
}