/* =========================================================
   ReviewWise — Stylesheet
   Design tokens defined as CSS custom properties in :root
   ========================================================= */

:root {
  /* Color — matched to the ReviewWise logo */
  --ink: #0B1E39;
  --paper: #F5F7FA;
  --paper-raised: #FFFFFF;
  --blue: #2E7DD6;
  --blue-dark: #1E5FA8;
  --green: #2ECC8F;
  --green-dark: #1FA873;
  --gold: #C9A227;
  --muted: #5A6472;
  --line: #DEE3EA;

  /* Type */
  --font-serif: "Source Serif 4", Georgia, serif;
  --font-sans: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Layout */
  --wrap: 1180px;
  --radius: 6px;
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.5em;
  color: var(--ink);
}
p { margin: 0 0 1em; color: var(--ink); }
button { font-family: inherit; cursor: pointer; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: #fff; padding: 10px 16px; z-index: 100;
}
.skip-link:focus { left: 0; }

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

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 3px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}
.btn-primary {
  background: var(--green);
  color: #fff;
}
.btn-primary:hover { background: var(--green-dark); }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper-raised);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.logo-img {
  height: 32px;
  width: auto;
  display: block;
}
.footer-logo-img {
  height: 34px;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 0.95rem;
  font-weight: 500;
}
.site-nav a { color: var(--muted); }
.site-nav a:hover { color: var(--ink); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  flex-shrink: 0;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--ink);
  display: block;
}
.mobile-nav {
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--line);
  padding: 8px 24px 16px;
}
.mobile-nav a {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-weight: 500;
}
.mobile-nav.is-open { display: flex; }

/* ---------- Hero / featured article ---------- */
.hero {
  padding: 40px 0 48px;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 48px;
  align-items: start;
}
.hero-feature {
  display: block;
}
.hero-media {
  display: block;
  aspect-ratio: 1200/630;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #E4EEF9, #F5F7FA);
  border: 1px solid var(--line);
  margin-bottom: 20px;
  overflow: hidden;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-content h1 {
  font-size: 2rem;
  margin: 0 0 12px;
}
.hero-content h1 a:hover { color: var(--blue-dark); }
.hero-excerpt {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 62ch;
  margin-bottom: 20px;
}

/* ---------- Featured products (sidebar) ---------- */
.featured-products {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.featured-products h2 {
  font-size: 1.05rem;
  font-family: var(--font-sans);
  font-weight: 700;
  margin-bottom: 14px;
}
.featured-products li {
  border-top: 1px solid var(--line);
}
.featured-products li:first-child { border-top: none; }
.featured-products a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
}
.featured-products a:hover .pick-title { color: var(--blue-dark); }
.pick-media {
  width: 56px;
  height: 56px;
  border-radius: 4px;
  background: linear-gradient(135deg, #E1F8ED, #F5F7FA);
  border: 1px solid var(--line);
  flex-shrink: 0;
  overflow: hidden;
  display: block;
}
.pick-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.pick-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.pick-title {
  font-weight: 700;
}
.pick-desc {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---------- Reviews grid ---------- */
.reviews-section { padding: 48px 0 56px; }
.section-head {
  margin-bottom: 28px;
}
.section-head h2 { font-size: 1.6rem; margin: 0; }

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.review-card {
  background: var(--paper-raised);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}
.review-card:hover {
  border-color: #C7D1DE;
  box-shadow: 0 6px 18px rgba(11, 30, 57, 0.08);
}
.card-media {
  display: block;
  aspect-ratio: 1200/630;
  background: linear-gradient(135deg, #E4EEF9, #F5F7FA);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.card-body {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.card-body h3 {
  font-size: 1.1rem;
  margin: 0 0 8px;
}
.card-body h3 a:hover { color: var(--blue-dark); }
.card-body p {
  font-size: 0.92rem;
  color: var(--muted);
  margin: 0;
}

/* ---------- Pagination ---------- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.pagination[hidden] { display: none; }
.page-btn {
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  border: 1px solid var(--line);
  background: var(--paper-raised);
  color: var(--muted);
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 600;
}
.page-btn:hover { border-color: var(--blue); color: var(--blue-dark); }
.page-btn.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ---------- Trust band ---------- */
.trust-band {
  background: var(--ink);
  color: #fff;
  padding: 56px 0;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.trust-band h3 {
  color: #fff;
  font-size: 1.15rem;
}
.trust-band p {
  color: #C4CEDD;
  font-size: 0.92rem;
  margin: 0;
}
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid #28405F;
  border-radius: 50%;
  font-family: var(--font-serif);
  font-size: 0.95rem;
  margin-bottom: 14px;
  color: var(--gold);
}

/* ---------- About ---------- */
.about { padding: 56px 0; }
.about-inner { max-width: 70ch; }
.about p { color: var(--muted); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--paper-raised);
  border-top: 1px solid var(--line);
  padding: 44px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
}
.footer-grid h4 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 12px;
}
.footer-grid a {
  display: block;
  color: var(--muted);
  padding: 5px 0;
  font-size: 0.92rem;
}
.footer-grid a:hover { color: var(--blue-dark); }
.disclosure {
  font-size: 0.85rem;
  color: var(--muted);
  max-width: 42ch;
  margin-top: 14px;
}
.footer-bottom {
  border-top: 1px solid var(--line);
  margin-top: 32px;
  padding-top: 20px;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .review-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .trust-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 640px) {
  .site-nav { display: none; }
  .nav-toggle { display: flex; }
  .hero-content h1 { font-size: 1.6rem; }
  .review-grid { grid-template-columns: 1fr; gap: 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .header-row { height: 64px; }
  .logo-img { height: 26px; }
}

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