/*
  Cup-Washer.com: high-contrast, dark-on-light, large-text theme.
  Target reader: late Gen Z through Gen X, shopping on mobile, wants a
  fast answer and a confident click-through to Amazon.
*/

:root {
  --bg: #ffffff;
  --bg-alt: #f5f4f0;
  --text: #101012;
  --muted: #4a4a4f;
  --border: #d9d8d3;
  --brand: #0b6e64;
  --brand-dark: #084f48;
  --cta: #b23c06;
  --cta-hover: #8f3005;
  --badge-teal: #0b6e64;
  --badge-slate: #3b4252;
  --badge-amber: #a15c00;
  --focus: #1d4ed8;
  --radius: 14px;
  --max-width: 1080px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 19px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

a { color: var(--brand-dark); text-decoration-thickness: 2px; }
a:hover { color: var(--cta); }

.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;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--text);
  color: #fff;
  padding: 12px 18px;
  z-index: 100;
}
.skip-link:focus { left: 10px; top: 10px; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

/* Top banner */
.top-banner {
  background: var(--text);
  color: #fff;
  font-size: 0.85rem;
  text-align: center;
  padding: 8px 16px;
}
.top-banner a { color: #fff; text-decoration-line: underline; }

/* Header */
.site-header {
  border-bottom: 3px solid var(--text);
  background: var(--bg);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
  flex-wrap: wrap;
  gap: 14px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text);
}
.logo:hover { color: var(--cta); }
.logo-mark { font-size: 1.6rem; }

.site-nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  font-weight: 700;
  font-size: 1rem;
}
.site-nav a { color: var(--text); }
.site-nav a:hover { color: var(--cta); }

/* Headings & text */
h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.2;
  color: var(--text);
}
h1 { font-size: clamp(2rem, 5vw, 2.9rem); margin: 0.4em 0 0.3em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); margin: 1.4em 0 0.5em; }
h3 { font-size: 1.3rem; margin: 1.2em 0 0.4em; }
p { margin: 0 0 1em; }
.lede {
  font-size: 1.25rem;
  color: var(--muted);
}

/* Quick answer box (AEO) */
.quick-answer {
  background: var(--bg-alt);
  border: 3px solid var(--text);
  border-radius: var(--radius);
  padding: 24px 26px;
  margin: 24px 0 36px;
}
.quick-answer .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--brand-dark);
  margin-bottom: 8px;
  display: block;
}
.quick-answer p:last-child { margin-bottom: 0; }
.quick-answer p { font-size: 1.15rem; }

/* Hero */
.hero { padding: 36px 0 8px; }
.hero .updated {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--muted);
  background: var(--bg-alt);
  border: 2px solid var(--border);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 14px;
}

/* Sections */
section { padding: 20px 0; }
.section-divider {
  border: none;
  border-top: 2px solid var(--border);
  margin: 36px 0;
}

/* Comparison table */
.compare-table-wrap { overflow-x: auto; margin: 28px 0; }
table.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
  font-size: 1rem;
}
.compare-table th, .compare-table td {
  border: 2px solid var(--border);
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
}
.compare-table thead th {
  background: var(--text);
  color: #fff;
  font-size: 1rem;
}
.compare-table tbody tr:nth-child(even) { background: var(--bg-alt); }
.compare-table td.cta-cell { text-align: center; }

/* Product cards */
.product-card {
  border: 3px solid var(--text);
  border-radius: var(--radius);
  padding: 28px;
  margin: 30px 0;
  background: var(--bg);
  scroll-margin-top: 90px;
}
.product-card-head {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  align-items: flex-start;
  margin-bottom: 14px;
}
.product-image {
  width: 220px;
  max-width: 100%;
  flex-shrink: 0;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: var(--bg-alt);
}
.product-image img { display: block; width: 100%; height: auto; border-radius: 8px; }

.badge {
  display: inline-block;
  font-weight: 800;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #fff;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.badge-teal { background: var(--badge-teal); }
.badge-slate { background: var(--badge-slate); }
.badge-amber { background: var(--badge-amber); }

.rank-number {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--muted);
}

.stars { color: var(--cta); font-size: 1.2rem; letter-spacing: 2px; }
.rating-text { font-weight: 800; }
.review-count { color: var(--muted); }

.price-row {
  display: flex;
  gap: 16px;
  align-items: baseline;
  flex-wrap: wrap;
  margin: 10px 0;
}
.price { font-size: 1.6rem; font-weight: 800; }
.prime-tag {
  font-weight: 800;
  color: var(--brand-dark);
  background: #e5f4f1;
  border: 2px solid var(--brand);
  border-radius: 6px;
  padding: 2px 10px;
  font-size: 0.85rem;
}

.pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 18px 0; }
@media (max-width: 620px) { .pros-cons { grid-template-columns: 1fr; } }
.pros-cons h4 { margin-top: 0; }
.pros-cons ul { margin: 0; padding-left: 1.2em; }
.pros-cons li { margin-bottom: 6px; }

.feature-list { padding-left: 1.2em; }
.feature-list li { margin-bottom: 8px; }

.best-for {
  background: var(--bg-alt);
  border-left: 5px solid var(--brand);
  padding: 14px 18px;
  border-radius: 6px;
  margin: 18px 0;
  font-weight: 600;
}

/* CTA button */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--cta);
  color: #fff !important;
  font-weight: 800;
  font-size: 1.1rem;
  padding: 16px 28px;
  border-radius: 10px;
  text-decoration: none;
  border: 3px solid var(--cta);
  transition: background-color 0.15s ease, transform 0.05s ease;
}
.cta-button:hover { background: var(--cta-hover); border-color: var(--cta-hover); }
.cta-button:active { transform: translateY(1px); }
.cta-button.small { font-size: 0.95rem; padding: 10px 18px; }
.cta-row { margin-top: 18px; }
.cta-subtext { font-size: 0.85rem; color: var(--muted); margin-top: 8px; }

/* FAQ */
.faq-item {
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 18px 22px;
  margin-bottom: 16px;
  background: var(--bg-alt);
}
.faq-item h3 { margin-top: 0; font-size: 1.15rem; }
.faq-item p:last-child { margin-bottom: 0; }

/* Steps (install guide) */
.steps { padding-left: 0; list-style: none; counter-reset: step; }
.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 52px;
  margin-bottom: 22px;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: -2px;
  width: 38px; height: 38px;
  background: var(--text);
  color: #fff;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
}
.steps h3 { margin-top: 0; }

.callout {
  border: 2px dashed var(--brand);
  background: #f0f8f7;
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 26px 0;
}
.callout.warning {
  border-color: var(--cta);
  background: #fdf0e9;
}

/* Footer */
.site-footer {
  border-top: 3px solid var(--text);
  background: var(--bg-alt);
  margin-top: 60px;
  padding: 36px 0 30px;
  font-size: 0.95rem;
  color: var(--muted);
}
.footer-disclosure p { max-width: 780px; }
.footer-nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-weight: 700;
  margin: 18px 0;
}
.footer-nav a { color: var(--text); }
.footer-copy { margin-top: 14px; font-size: 0.85rem; }

/* Breadcrumb-ish back link */
.back-link { display: inline-block; margin-bottom: 8px; font-weight: 700; }

@media (max-width: 480px) {
  body { font-size: 18px; }
  .product-card { padding: 20px; }
}