:root {
  --ink: #172033;
  --muted: #647084;
  --paper: #f7f8fa;
  --surface: #ffffff;
  --line: #e3e7ed;
  --navy: #172033;
  --blue: #f0700c;
  --blue-dark: #a84600;
  --mint: #f0700c;
  --mint-soft: #fff3e9;
  --peach: #ffad66;
  --peach-soft: #fff8f2;
  --shadow: 0 12px 32px rgba(23, 32, 51, .075);
  --radius: 14px;
  --max: 1140px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue-dark); text-underline-offset: 3px; }
a:hover { color: var(--blue); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid var(--peach); outline-offset: 3px; }
svg { max-width: 100%; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
p, ul, ol { margin-top: 0; }
h1, h2, h3 { color: var(--navy); line-height: 1.14; letter-spacing: -.025em; }
h1 { margin: 0 0 1rem; font-size: clamp(2.35rem, 7vw, 4.9rem); max-width: 850px; }
h2 { margin: 0 0 .9rem; font-size: clamp(1.55rem, 3.2vw, 2.3rem); }
h3 { margin: 0 0 .55rem; font-size: 1.12rem; }

.skip-link { position: fixed; left: 1rem; top: -6rem; z-index: 100; padding: .7rem 1rem; color: #fff; background: var(--navy); border-radius: 10px; }
.skip-link:focus { top: 1rem; }
.wrap,
.narrow { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }

.site-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); box-shadow: 0 4px 18px rgba(23,32,51,.035); backdrop-filter: blur(14px); }
.nav-shell { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .65rem; color: var(--ink); font-weight: 900; letter-spacing: -.02em; text-decoration: none; white-space: nowrap; }
.brand:hover { color: var(--blue-dark); }
.brand-mark { display: block; width: 38px; height: 38px; overflow: hidden; color: transparent; background: url("favicon.svg") center / contain no-repeat; font-size: 0; }
.site-nav { display: flex; gap: .2rem; overflow-x: auto; padding: .65rem 0; scrollbar-width: none; }
.site-nav::-webkit-scrollbar { display: none; }
.site-nav a { padding: .48rem .68rem; color: #59657b; border-radius: 999px; font-size: .88rem; font-weight: 750; text-decoration: none; white-space: nowrap; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--blue-dark); background: var(--mint-soft); }

.hero { position: relative; overflow: hidden; padding: clamp(3rem, 9vw, 7rem) 0 3.5rem; border-bottom: 1px solid var(--line); }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background: radial-gradient(circle at 82% 25%, rgba(255,173,102,.25), transparent 24rem), radial-gradient(circle at 10% 80%, rgba(240,112,12,.1), transparent 22rem), #fff; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; opacity: .28; background-image: linear-gradient(#d5d9e1 1px, transparent 1px), linear-gradient(90deg, #d5d9e1 1px, transparent 1px); background-size: 28px 28px; mask-image: linear-gradient(to bottom, #000, transparent); }
.eyebrow { display: inline-flex; align-items: center; gap: .45rem; margin-bottom: 1rem; color: var(--blue-dark); font-size: .78rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 24px; height: 3px; background: var(--blue); border-radius: 4px; }
.hero-copy { max-width: 760px; }
.hero-copy > p { max-width: 690px; color: #3f4960; font-size: clamp(1.05rem, 2.2vw, 1.25rem); }
.commerce-hero { min-height: 590px; display: flex; align-items: center; padding: clamp(3.6rem, 8vw, 5.5rem) 0; background: #281c18 url("hero-shopping-scene.svg") center / cover no-repeat; border: 0; }
.commerce-hero::before { z-index: 0; background: linear-gradient(90deg, rgba(3,45,58,.94) 0%, rgba(5,58,72,.8) 45%, rgba(20,37,48,.34) 100%); }
.commerce-hero::after { z-index: 0; opacity: 1; background: linear-gradient(180deg, rgba(12,16,23,.18), rgba(12,16,23,.08) 55%, rgba(12,16,23,.4)); mask-image: none; }
.commerce-hero-inner { position: relative; z-index: 1; }
.commerce-hero .hero-copy { max-width: 940px; }
.commerce-hero .eyebrow { color: #ffd7b7; }
.commerce-hero .eyebrow::before { background: #ff7313; }
.commerce-hero h1 { max-width: 930px; color: #fff; font-size: clamp(2.4rem, 4.7vw, 4.2rem); line-height: 1.04; text-shadow: 0 4px 22px rgba(0,0,0,.22); }
.commerce-hero h1 span { color: #ff9a3d; }
.commerce-hero .hero-copy > p { max-width: 760px; color: rgba(255,255,255,.84); }
.hero-search { display: grid; grid-template-columns: auto minmax(180px, 1fr) auto auto; align-items: center; width: min(100%, 960px); margin-top: 1.5rem; padding: 6px; background: #fff; border: 1px solid rgba(255,255,255,.7); border-radius: 999px; box-shadow: 0 22px 55px rgba(0,0,0,.25); }
.hero-search .search-icon { width: 23px; margin-left: 1rem; fill: none; stroke: #a9b1c2; stroke-width: 2; }
.hero-search input { min-width: 0; height: 62px; padding: 0 1rem; border: 0; outline: 0; color: var(--ink); background: transparent; font: inherit; font-size: 1.03rem; }
.hero-search input::placeholder { color: #aeb6c7; }
.source-marks { display: flex; gap: .45rem; padding-right: 1rem; }
.source-marks b { display: grid; place-items: center; min-width: 31px; height: 31px; padding-inline: .35rem; color: #fff; background: #b6bece; border-radius: 999px; font-size: .7rem; }
.hero-search button { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; height: 62px; padding: 0 2.2rem; border: 0; color: #fff; background: var(--blue-dark); border-radius: 999px; font: inherit; font-size: 1.08rem; font-weight: 850; cursor: pointer; transition: background .15s ease, transform .15s ease; }
.hero-search button:hover { background: #873b00; transform: translateY(-1px); }
.hero-search button svg { width: 23px; fill: none; stroke: currentColor; stroke-width: 2; }
.hero-quick-links { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1rem; }
.hero-quick-links a { display: inline-flex; align-items: center; min-height: 45px; padding: .5rem 1.05rem; color: #fff; border: 1px solid rgba(255,255,255,.72); border-radius: 999px; background: rgba(255,255,255,.08); backdrop-filter: blur(10px); font-weight: 750; text-decoration: none; }
.hero-quick-links a:hover { color: #fff; border-color: #fff; background: rgba(255,255,255,.17); }
.hero-quick-links .featured { color: #161616; background: #ff9a3d; border: 2px solid #ff9a3d; box-shadow: inset -44px 0 0 #131926; }
.hero-quick-links .featured:hover { color: #161616; background: #ffa64f; }
.hero-quick-links .featured strong { margin-left: .9rem; color: #fff; font-style: italic; }
.hero-trust { width: min(100%, 850px); margin-top: 1rem; padding: .65rem .85rem; color: rgba(255,255,255,.74); background: rgba(10,13,20,.32); border-left: 3px solid #ff781f; border-radius: 3px 10px 10px 3px; font-size: .8rem; backdrop-filter: blur(8px); }
.hero-trust span { margin-right: .4rem; color: #ffc34a; font-weight: 850; }
.commerce-hero .external-note { color: rgba(255,255,255,.6); }
.catalog-section { background: #fff; }
.catalog-heading { margin-bottom: 1.5rem; text-align: center; }
.catalog-heading .eyebrow { justify-content: center; color: var(--blue-dark); }
.catalog-heading h2 { margin-bottom: .55rem; color: #172033; font-size: clamp(1.85rem, 4vw, 3rem); }
.catalog-heading p { margin: 0; color: #657083; font-size: 1.05rem; }
.catalog-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: .85rem; }
.catalog-card { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 185px; padding: 1.15rem .7rem; overflow: hidden; color: var(--blue-dark); background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); font-size: 1.03rem; font-weight: 850; text-decoration: none; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.catalog-card::after { content: "↗"; position: absolute; top: .7rem; right: .8rem; color: #aeb5c1; font-size: .75rem; opacity: 0; transform: translate(-3px,3px); transition: opacity .18s ease, transform .18s ease; }
.catalog-card:hover { color: var(--blue-dark); border-color: #f2a66b; transform: translateY(-3px); box-shadow: 0 16px 34px rgba(23,32,51,.11); }
.catalog-card:hover::after { opacity: 1; transform: translate(0,0); }
.catalog-card svg { width: 54px; height: 54px; margin-bottom: 1.1rem; fill: none; stroke: currentColor; stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; }
.catalog-card.tone-teal { color: #11738a; }
.catalog-card.tone-navy { color: #23425e; }
.catalog-card.tone-orange { color: #e56824; }
.catalog-card.tone-purple { color: #752292; }
.catalog-card.tone-blue { color: #355ebc; }
.catalog-card.tone-gold { color: #a66a12; }
.catalog-card.tone-slate { color: #657587; }
.catalog-card.tone-teal,
.catalog-card.tone-navy,
.catalog-card.tone-orange,
.catalog-card.tone-purple,
.catalog-card.tone-blue,
.catalog-card.tone-gold,
.catalog-card.tone-slate { color: var(--blue-dark); }
.catalog-card span { color: #172033; }
.catalog-note { margin: 1.2rem auto 0; color: #657084; font-size: .78rem; text-align: center; }
.catalog-action { margin-top: 1rem; text-align: center; }
.actions { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1rem; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: .45rem; min-height: 46px; padding: .7rem 1.05rem; border: 2px solid var(--blue-dark); border-radius: 999px; color: #fff; background: var(--blue-dark); box-shadow: none; font-weight: 800; text-decoration: none; transition: transform .15s ease, background .15s ease, border-color .15s ease; }
.button:hover { color: #fff; background: #873b00; border-color: #873b00; transform: translateY(-1px); }
.button.secondary { color: var(--blue-dark); background: #fff; border-color: #efb587; box-shadow: none; }
.button.secondary:hover { color: #fff; background: var(--blue-dark); border-color: var(--blue-dark); }
.button.text { border-color: transparent; color: var(--blue-dark); background: transparent; box-shadow: none; }
.external-note { margin-top: .8rem; color: var(--muted); font-size: .78rem; }

.search-panel { margin-top: 1.4rem; padding: .75rem; background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
.search-panel label { display: block; padding: 0 .35rem .5rem; color: var(--ink); font-size: .84rem; font-weight: 750; }
.search-row { display: grid; grid-template-columns: 1fr auto; gap: .5rem; }
.search-row input { min-width: 0; height: 50px; padding: 0 1rem; border: 1px solid #dfe3eb; border-radius: 999px; background: #fff; font: inherit; }
.search-row button { height: 50px; padding: 0 1.25rem; border: 0; border-radius: 999px; color: #fff; background: var(--blue-dark); font: inherit; font-weight: 850; cursor: pointer; }

.section { padding: clamp(2.5rem, 5vw, 3.5rem) 0; background: #fff; }
.section + .section { border-top: 1px solid var(--line); }
.section.alt { background: var(--peach-soft); }
.section-intro { max-width: 700px; margin-bottom: 1.25rem; color: var(--muted); font-size: 1.04rem; }
.quick-answer { position: relative; margin-bottom: 1.75rem; padding: 1.1rem 1.2rem; background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--blue); border-radius: 14px; box-shadow: 0 6px 18px rgba(23,32,51,.035); }
.quick-answer::before { content: "Quick answer"; display: block; margin-bottom: .35rem; color: var(--navy); font-size: .73rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.quick-answer p:last-child { margin-bottom: 0; }
.grid { display: grid; gap: .85rem; }
.grid.three { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.grid.four { grid-template-columns: repeat(auto-fit, minmax(205px, 1fr)); }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card { padding: 1.2rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.card h2 { font-size: 1.24rem; }
.card p { color: var(--muted); }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }
.card-link { display: inline-flex; align-items: center; gap: .3rem; font-weight: 850; text-decoration-thickness: 2px; }
.card-link::after { content: "↗"; }
.number { display: grid; place-items: center; width: 34px; height: 34px; margin-bottom: .75rem; color: #fff; background: var(--blue-dark); border: 1px solid var(--blue-dark); border-radius: 50%; font-weight: 900; }
.tag { display: inline-block; margin-bottom: .7rem; padding: .25rem .55rem; color: var(--blue-dark); background: var(--peach-soft); border-radius: 999px; font-size: .72rem; font-weight: 850; letter-spacing: .04em; text-transform: uppercase; }
.check-list { padding: 0; list-style: none; }
.check-list li { position: relative; margin: .65rem 0; padding-left: 1.75rem; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: .03rem; display: grid; place-items: center; width: 1.25rem; height: 1.25rem; color: #fff; background: var(--blue); border-radius: 5px; font-size: .75rem; font-weight: 900; }
.plain-list li { margin-bottom: .6rem; }
.compare { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; }
.compare .good { border-top: 5px solid #7eb72a; }
.compare .weak { border-top: 5px solid #e6795f; }
.score-table { width: 100%; table-layout: fixed; border-collapse: collapse; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.score-table th, .score-table td { padding: .8rem 1rem; border-bottom: 1px solid var(--line); text-align: left; }
.score-table th { color: #fff; background: var(--navy); }
.callout { margin: 1.5rem 0; padding: 1.1rem 1.2rem; background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--blue); border-radius: var(--radius); box-shadow: 0 6px 18px rgba(23,32,51,.035); }
.callout p:last-child { margin: 0; }
.link-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: .7rem; }
.link-grid a { padding: .85rem 1rem; color: var(--navy); background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 6px 18px rgba(23,32,51,.04); font-weight: 800; text-decoration: none; }
.link-grid a:hover { border-color: var(--blue); box-shadow: 0 5px 15px rgba(39,98,233,.08); }
.breadcrumbs { padding: .75rem 0 0; color: var(--muted); font-size: .82rem; }
.breadcrumbs a { color: inherit; }
.article-head { padding: clamp(2.2rem, 5vw, 3.5rem) 0 2rem; border-bottom: 1px solid var(--line); background: #fff; }
.article-head h1 { max-width: 900px; font-size: clamp(1.65rem, 3.8vw, 2.8rem); }
.article-head .lead { max-width: 740px; color: var(--muted); font-size: 1.1rem; }
.article-meta { margin: -.15rem 0 0; color: var(--muted); font-size: .82rem; }
.article-meta a { color: var(--blue-dark); font-weight: 750; }
.article-body { padding-top: 2rem; padding-bottom: 3.5rem; background: #fff; }
.prose h2 { margin-top: 2.25rem; }
.prose h3 { margin-top: 1.25rem; }
.prose p, .prose li { color: #3f4960; }
.prose > * { max-width: 760px; }
.prose > .grid, .prose > .compare, .prose > .link-grid, .prose > .score-table, .prose > .quick-answer, .prose > .callout, .prose > .wide { max-width: none; }
.prose > .quick-answer > p, .prose > .callout > p { max-width: 760px; }
.faq-list details { margin-bottom: .75rem; padding: 1rem 1.1rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 6px 18px rgba(23,32,51,.04); }
.faq-list summary { color: var(--navy); font-weight: 850; cursor: pointer; }
.faq-list details p { margin: .75rem 0 0; }

.closing { padding: 1.75rem; color: var(--ink); background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--blue); border-radius: 18px; box-shadow: var(--shadow); }
.closing h2 { color: var(--navy); font-size: clamp(1.5rem, 3vw, 2.05rem); }
.closing p { max-width: 650px; color: var(--muted); }
.closing .button { color: #fff; background: var(--blue-dark); border-color: var(--blue-dark); box-shadow: none; }
.closing .button.secondary { color: var(--blue-dark); background: #fff; border-color: #efb587; }

.site-footer { padding: 2.4rem 0 1.4rem; color: var(--ink); background: #fff; border-top: 1px solid var(--line); }
.footer-grid { display: grid; gap: 2rem; }
.site-footer .brand { color: var(--ink); }
.site-footer .brand-mark { filter: drop-shadow(0 0 8px rgba(240,112,12,.2)); }
.footer-trust { max-width: 620px; margin-top: 1rem; color: var(--muted); font-size: .86rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: .45rem 1rem; }
.footer-links a { color: var(--navy); font-size: .88rem; }
.footer-links a:hover { color: #ffad66; }
.footer-bottom { margin-top: 1.75rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .78rem; }

@media (min-width: 900px) {
  .footer-grid { grid-template-columns: 1.2fr .8fr; }
}
@media (max-width: 1050px) {
  .catalog-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
}
@media (max-width: 760px) {
  .nav-shell { display: block; padding-top: .8rem; }
  .site-nav { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .3rem; margin: .45rem 0 .65rem; padding: 0; overflow: visible; }
  .site-nav a { display: grid; place-items: center; min-height: 42px; padding: .4rem .25rem; font-size: .72rem; line-height: 1.2; text-align: center; white-space: normal; }
  .search-row { grid-template-columns: 1fr; }
  .actions .button { width: 100%; }
  .hero { padding-top: 3rem; }
  .commerce-hero { min-height: 0; padding-block: 2.5rem; background-position: 62% center; }
  .commerce-hero::before { background: linear-gradient(90deg, rgba(3,45,58,.94), rgba(5,58,72,.78)); }
  .commerce-hero h1 { font-size: clamp(2.35rem, 11vw, 3.25rem); }
  .commerce-hero .hero-copy > p { font-size: 1rem; }
  .hero-search { grid-template-columns: auto minmax(0,1fr) auto; border-radius: 20px; }
  .hero-search input { height: 54px; padding-inline: .7rem; font-size: .92rem; }
  .source-marks { display: none; }
  .hero-search button { width: 54px; height: 54px; padding: 0; }
  .hero-search button svg { width: 22px; }
  .hero-search button { font-size: 0; }
  .hero-quick-links { gap: .55rem; }
  .hero-quick-links a { min-height: 44px; padding: .48rem .88rem; font-size: .82rem; }
  .hero-trust { font-size: .76rem; }
  .catalog-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: .7rem; }
  .catalog-card { min-height: 142px; padding: 1rem .5rem; border-radius: 10px; font-size: .9rem; }
  .catalog-card svg { width: 43px; height: 43px; margin-bottom: .7rem; }
  .score-table th, .score-table td { padding: .6rem .5rem; font-size: .78rem; overflow-wrap: anywhere; vertical-align: top; }
  .section { padding-block: 2.3rem; }
  .article-head { padding-block: 2rem 1.6rem; }
  .article-body { padding-bottom: 2.75rem; }
  .prose h2 { margin-top: 1.9rem; }
  .closing { padding: 1.35rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}