:root {
  --color-primary: #e11d2e;
  --color-primary-contrast: #ffffff;
  --color-bg: #101827;
  --color-surface: #ffffff;
  --color-text: #172033;
  --color-muted: #617087;
  --color-border: #dce4ee;
  --color-soft: #f4f7fb;
  --color-soft-accent: #e8f7fb;
  --color-dark-surface: #172338;
  --font-heading: "Trebuchet MS", Arial, sans-serif;
  --font-body: Arial, Helvetica, sans-serif;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.65;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: opacity 0.2s ease, color 0.2s ease;
}

a:hover,
a:focus-visible {
  color: var(--color-text);
  opacity: 0.78;
}

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

.site-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  padding: 28px 0 22px;
  color: var(--color-primary-contrast);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-primary-contrast);
  text-decoration: underline;
  text-decoration-color: var(--color-primary);
  text-decoration-thickness: 4px;
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  font-size: 1.15rem;
  text-decoration: none;
}

.hero {
  padding: clamp(28px, 6vw, 70px);
  border-radius: var(--radius);
  background: var(--color-surface);
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.22);
}

.hero h1,
.section-title,
.about-title {
  margin: 0;
  font-family: var(--font-heading);
  line-height: 1.15;
}

.hero h1 {
  color: var(--color-primary);
  font-size: clamp(1.8rem, 4vw, 3.25rem);
}

.hero h1 span {
  display: block;
}

.hero .hero-subtitle {
  margin: 18px auto 0;
  max-width: 850px;
  color: var(--color-text);
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 700;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 320px);
  gap: 28px;
  margin-top: 28px;
}

.card {
  border-radius: var(--radius);
  background: var(--color-surface);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.16);
}

.article {
  padding: clamp(22px, 4vw, 48px);
}

.article p,
.sidebar p {
  margin: 0 0 1.15rem;
}

.article .lead {
  font-size: 1.15rem;
}

.highlight {
  padding: 0 3px;
  background: #fff1a8;
}

.underline {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.sidebar {
  align-self: start;
  padding: 22px;
  color: var(--color-text);
}

.sidebar img {
  display: block;
  width: 100%;
  margin: 0 auto 20px;
  border-radius: calc(var(--radius) / 2);
}

.about-title {
  margin-bottom: 8px;
  color: var(--color-primary);
  font-size: 1.25rem;
}

.ad-wrap {
  display: flex;
  justify-content: center;
  margin: 24px 0;
}

.comparison-section {
  margin-top: 32px;
  padding: clamp(22px, 4vw, 42px);
}

.section-title {
  margin-bottom: 22px;
  color: var(--color-primary);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  text-align: center;
}

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  box-shadow: 0 18px 45px rgba(23, 32, 51, 0.12);
  -webkit-overflow-scrolling: touch;
}

.comparison-table {
  width: 100%;
  min-width: 760px;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--color-surface);
  font-size: 0.95rem;
}

.comparison-table th,
.comparison-table td {
  padding: 17px 15px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
  vertical-align: middle;
}

.comparison-table th:last-child,
.comparison-table td:last-child {
  border-right: 0;
}

.comparison-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  min-height: 150px;
  color: var(--color-primary-contrast);
  background: var(--color-dark-surface);
  font-family: var(--font-heading);
  font-size: 0.98rem;
  letter-spacing: 0.02em;
}

.comparison-table th:first-child {
  min-width: 165px;
  color: var(--color-muted);
  background: var(--color-soft);
  text-align: left;
}

.comparison-table tr:last-child td {
  border-bottom: 0;
}

.comparison-table td:first-child {
  min-width: 165px;
  color: var(--color-text);
  background: var(--color-soft);
  font-weight: 800;
  text-align: left;
}

.comparison-table tbody tr {
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.comparison-table tbody tr:nth-child(even) td {
  background: #fafcff;
}

.comparison-table tbody tr:hover td {
  background: #f0f6fa;
}

.comparison-table tbody tr:hover td:first-child {
  background: #eaf1f6;
}

.comparison-table img {
  display: inline-block;
  max-width: 127px;
  max-height: 96px;
  object-fit: contain;
  border-radius: calc(var(--radius) / 3);
  vertical-align: middle;
}

.comparison-table th img {
  max-height: 82px;
  margin-bottom: 10px;
  border: 4px solid var(--color-surface);
  background: var(--color-surface);
}

.comparison-table th a {
  color: var(--color-primary-contrast);
  text-decoration-color: var(--color-primary-contrast);
}

.comparison-table td a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 7px 13px;
  border: 1px solid var(--color-primary);
  border-radius: 999px;
  color: var(--color-primary);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.comparison-table td a:hover,
.comparison-table td a:focus-visible {
  color: var(--color-primary-contrast);
  background: var(--color-primary);
  opacity: 1;
}

.featured-cell,
.comparison-table tbody tr:nth-child(even) td.featured-cell,
.comparison-table tbody tr:hover td.featured-cell {
  background: var(--color-soft-accent) !important;
}

.comparison-table thead .featured-cell {
  position: relative;
  background: var(--color-primary);
  box-shadow: inset 0 -5px 0 var(--color-primary-contrast);
}

.comparison-table thead .featured-cell::before {
  content: "TOP CHOICE";
  display: block;
  margin-bottom: 9px;
  color: var(--color-primary-contrast);
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.rating {
  color: var(--color-primary);
  font-size: 1.15rem;
  font-weight: 800;
}

.footer {
  margin: 28px 0;
  padding: 26px;
  border-radius: var(--radius);
  color: var(--color-primary-contrast);
  background: #172338;
  text-align: center;
}

@media (max-width: 760px) {
  .site-shell {
    width: min(100% - 20px, 620px);
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    order: -1;
  }

  .sidebar img {
    max-width: 280px;
  }

  .comparison-section {
    padding: 18px 12px;
  }

  .comparison-section .section-title {
    margin-bottom: 16px;
    font-size: 1.45rem;
  }

  .table-scroll {
    margin-right: -2px;
    border-radius: calc(var(--radius) / 3);
  }

  .comparison-table {
    min-width: 700px;
    font-size: 0.88rem;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 13px 10px;
  }

  .comparison-table th:first-child,
  .comparison-table td:first-child {
    min-width: 145px;
  }

  .comparison-table th img {
    max-width: 104px;
    max-height: 68px;
  }

  .comparison-table td a {
    min-height: 34px;
    padding: 5px 10px;
  }
}