:root {
  --ink: #1b1d21;
  --muted: #6b7078;
  --line: #e7e4de;
  --bg: #ffffff;
  --soft: #f6f4f0;
  --brand: #1f4d3a;
  --amz: #1f4d3a;
  --amz-hover: #173b2c;
  --amz-ink: #ffffff;
  --good: #1f7a4d;
  --bad: #b3412e;
  --radius: 12px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--sans); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); }
h1, h2, h3 { font-family: var(--serif); line-height: 1.2; font-weight: 700; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }

/* ---------- header ---------- */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); position: relative; z-index: 20; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 52px; }
.logo { font-family: var(--serif); font-weight: 700; font-size: 20px; color: var(--ink); text-decoration: none; letter-spacing: -0.01em; }
.logo span { color: var(--brand); }
.nav-desktop { display: none; gap: 24px; }
.nav-desktop a, .menu-panel a { color: var(--ink); text-decoration: none; font-size: 15px; }
.nav-desktop a:hover { color: var(--brand); }
.menu summary { list-style: none; cursor: pointer; width: 32px; height: 32px; display: flex; flex-direction: column; justify-content: center; gap: 5px; }
.menu summary::-webkit-details-marker { display: none; }
.menu summary span { display: block; height: 2px; background: var(--ink); border-radius: 2px; }
.menu-panel { position: absolute; left: 0; right: 0; top: 52px; background: var(--bg); border-bottom: 1px solid var(--line); display: flex; flex-direction: column; padding: 8px 16px 16px; box-shadow: 0 8px 20px rgba(0,0,0,.06); }
.menu-panel a { padding: 10px 0; border-bottom: 1px solid var(--line); }
@media (min-width: 900px) {
  .menu { display: none; }
  .nav-desktop { display: flex; }
}

/* ---------- breadcrumbs ---------- */
.crumbs { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2px 12px; font-size: 13px; color: var(--muted); padding: 10px 0 8px; }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs nav span { color: var(--ink); }

/* ---------- review hero ---------- */
.hero { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.hero > * { min-width: 0; }
.gallery { position: relative; border-radius: var(--radius); overflow: hidden; background: #fff; border: 1px solid var(--line); }
.gallery-track { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
.gallery-track::-webkit-scrollbar { display: none; }
.gallery-track img { flex: 0 0 100%; width: 100%; aspect-ratio: 4 / 3; max-height: 40vh; object-fit: contain; scroll-snap-align: start; background: #fff; }
.dots { position: absolute; bottom: 8px; left: 0; right: 0; display: flex; justify-content: center; gap: 6px; pointer-events: none; }
.dots span { width: 7px; height: 7px; border-radius: 50%; background: rgba(0,0,0,.2); transition: background .2s; }
.dots span.on { background: var(--ink); }

.hero-info h1 { font-size: 24px; margin: 0 0 4px; }
.meta { font-size: 13px; color: var(--muted); margin: 0 0 10px; }
.stars { color: #b7791f; font-weight: 600; white-space: nowrap; }
.hero-pros { list-style: none; padding: 0; margin: 0 0 14px; font-size: 15px; line-height: 1.5; }
.hero-pros li { padding-left: 24px; position: relative; margin-bottom: 3px; }
.hero-pros li::before { content: "✓"; position: absolute; left: 2px; color: var(--good); font-weight: 700; }
.hero-cta { display: grid; gap: 10px; }

/* ---------- buttons ---------- */
.btn-amz, .btn-read { display: flex; align-items: center; justify-content: center; gap: 6px; min-height: 54px; padding: 12px 18px; border-radius: 10px; font: 700 17px/1.2 var(--sans); text-decoration: none; text-align: center; transition: background .15s, transform .1s; }
.btn-amz { background: var(--amz); color: var(--amz-ink); box-shadow: 0 2px 0 #10291f, 0 6px 18px rgba(31,77,58,.28); }
.btn-amz:hover { background: var(--amz-hover); }
.btn-amz:active { transform: translateY(1px); }
.btn-read { background: transparent; color: var(--ink); border: 1.5px solid #c9c5bd; font-weight: 600; }
.btn-read:hover { border-color: var(--ink); }
.btn-sm { min-height: 42px; font-size: 15px; padding: 8px 14px; box-shadow: 0 2px 0 #10291f; }

/* ---------- review body + gate ---------- */
.review-body { max-width: 720px; margin: 20px auto 0; }
.review-body .intro { font-size: 18px; margin-top: 0; }
.review-body h2 { font-size: 26px; margin: 36px 0 12px; }
.review-body h3 { font-size: 19px; margin: 0 0 6px; }
.gate { position: relative; scroll-margin-top: 16px; }
.gate-overlay { display: none; }
/* locked: only the first ~2 lines are readable, everything below is blurred */
.review.locked .review-rest { max-height: 320px; overflow: hidden; user-select: none; pointer-events: none; }
.review.locked .gate-overlay { display: flex; position: absolute; left: 0; right: 0; top: 2.6em; bottom: 0; align-items: flex-end; justify-content: center; padding-bottom: 28px;
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  background: linear-gradient(to bottom, rgba(255,255,255,0) 0%, rgba(255,255,255,.35) 45%, #fff 82%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 28px); mask-image: linear-gradient(to bottom, transparent 0, #000 28px); }
.gate-overlay span { font-size: 15px; font-weight: 600; color: var(--muted); }
.review.locked .related { display: none; }

.proscons { display: grid; gap: 12px; }
.proscons > div { border-radius: var(--radius); padding: 16px 18px; }
.pros { background: #eef6f1; }
.cons { background: #fbf0ed; }
.proscons h3 { font-family: var(--sans); font-size: 16px; }
.proscons ul { margin: 0; padding-left: 20px; font-size: 16px; }
.pros h3 { color: var(--good); }
.cons h3 { color: var(--bad); }
.inline-cta { margin: 28px 0; }
.checklist { padding-left: 20px; }
.checklist li { margin-bottom: 8px; }

.products { display: grid; gap: 16px; }
.product { display: grid; gap: 12px; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.product img { border-radius: 8px; aspect-ratio: 4 / 3; object-fit: contain; background: #fff; }
.product p { margin: 0 0 12px; font-size: 16px; }
@media (min-width: 640px) {
  .proscons { grid-template-columns: 1fr 1fr; }
  .product { grid-template-columns: 220px 1fr; align-items: center; }
  .product .btn-amz { display: inline-flex; }
}

.faq details { border-bottom: 1px solid var(--line); padding: 12px 0; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { margin: 8px 0 0; }

/* ---------- sticky bar ---------- */
.sticky-cta { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; display: flex; align-items: center; gap: 10px; padding: 8px 12px calc(8px + env(safe-area-inset-bottom)); background: rgba(255,255,255,.97); border-top: 1px solid var(--line); box-shadow: 0 -6px 18px rgba(0,0,0,.06); transform: translateY(110%); transition: transform .25s ease; }
.sticky-cta.show { transform: none; }
.sticky-cta img { width: 48px; height: 36px; object-fit: contain; border-radius: 6px; border: 1px solid var(--line); background: #fff; }
.sticky-cta span { flex: 1; font-weight: 600; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sticky-cta .btn-amz { flex: none; }
@media (min-width: 900px) { .sticky-cta { display: none; } }

/* ---------- desktop review ---------- */
@media (min-width: 900px) {
  .hero { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 40px; align-items: center; padding-top: 8px; }
  .gallery-track img { max-height: 520px; }
  .hero-info h1 { font-size: 34px; margin-bottom: 8px; }
  .meta { font-size: 14px; margin-bottom: 18px; }
  .hero-pros { font-size: 17px; margin-bottom: 22px; }
  .review-body { margin-top: 44px; }
}

/* ---------- cards / home ---------- */
.home-hero { background: var(--soft); border-bottom: 1px solid var(--line); padding: 40px 0 32px; margin-bottom: 28px; }
.home-hero h1 { font-size: 30px; margin: 0 0 10px; max-width: 680px; }
.home-hero p { color: var(--muted); max-width: 620px; margin: 0 0 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; text-decoration: none; color: var(--ink); font-size: 14px; }
.chip:hover { border-color: var(--brand); color: var(--brand); }
.section-title, .related h2 { font-size: 24px; margin: 0 0 16px; }
.page-title { font-size: 30px; margin: 16px 0 20px; }
.cards { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); margin-bottom: 48px; }
.card { display: block; text-decoration: none; color: var(--ink); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: box-shadow .2s, transform .2s; }
.card:hover { box-shadow: 0 10px 28px rgba(0,0,0,.08); transform: translateY(-2px); }
.card img { aspect-ratio: 4 / 3; object-fit: contain; background: #fff; width: 100%; border-bottom: 1px solid var(--line); }
.card-body { padding: 14px 16px 16px; }
.card-cat { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--brand); font-weight: 700; }
.card h3 { font-size: 19px; margin: 4px 0 6px; }
.card-meta { font-size: 13px; color: var(--muted); }
.related { margin-top: 48px; padding-bottom: 72px; }
@media (min-width: 900px) { .home-hero { padding: 64px 0 52px; } .home-hero h1 { font-size: 42px; } }

/* ---------- text pages ---------- */
.prose { max-width: 760px; padding-bottom: 56px; }
.prose h2 { font-size: 22px; margin: 28px 0 8px; }
.contact-box { background: var(--soft); border-radius: var(--radius); padding: 8px 20px; }

/* ---------- footer ---------- */
.site-footer { background: #15171a; color: #b9bcc2; padding: 32px 0 40px; font-size: 14px; }
.site-footer .logo { color: #fff; }
.site-footer .logo span { color: #8fc5a9; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 14px 0; }
.site-footer nav a { color: #e4e6ea; text-decoration: none; }
.disclaimer { line-height: 1.5; max-width: 760px; }
.copy { color: #7d8189; margin: 0; }

/* short phones (iPhone SE/mini with browser bars): keep both buttons on the first screen */
@media (max-width: 899px) and (max-height: 740px) {
  .gallery-track img { max-height: 30vh; }
  .crumbs { padding: 6px 0 4px; }
  .hero-info h1 { font-size: 21px; }
  .hero-pros { margin-bottom: 10px; }
}

/* ---------- home blocks ---------- */
.home .home-hero { margin-bottom: 0; }
.eyebrow { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--brand); margin-bottom: 10px; }
.block { padding-top: 40px; }
.block .cards { margin-bottom: 0; }
.featured { display: grid; text-decoration: none; color: var(--ink); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: box-shadow .2s; }
.featured:hover { box-shadow: 0 10px 28px rgba(0,0,0,.08); }
.featured img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.featured-body { padding: 18px 20px 22px; }
.featured h3 { font-size: 24px; margin: 6px 0 8px; }
.featured p { color: var(--muted); margin: 0 0 10px; font-size: 16px; }
@media (min-width: 900px) {
  .featured { grid-template-columns: 1.2fr 1fr; align-items: center; }
  .featured-body { padding: 32px 36px; }
  .featured h3 { font-size: 32px; }
}
.cat-tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
.cat-tile { position: relative; display: block; border-radius: var(--radius); overflow: hidden; text-decoration: none; }
.cat-tile img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .3s; }
.cat-tile:hover img { transform: scale(1.04); }
.cat-tile span { position: absolute; inset: auto 0 0 0; padding: 30px 14px 12px; color: #fff; font-family: var(--serif); font-weight: 700; font-size: 18px; background: linear-gradient(to top, rgba(0,0,0,.8) 0%, rgba(0,0,0,.55) 55%, transparent 100%); text-shadow: 0 1px 3px rgba(0,0,0,.5); }
.cat-tile small { display: block; font-family: var(--sans); font-weight: 400; font-size: 13px; opacity: .85; }
.band { background: var(--soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 44px 0; margin-top: 48px; }
.steps { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-bottom: 18px; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.step b { display: inline-flex; width: 30px; height: 30px; border-radius: 50%; align-items: center; justify-content: center; background: var(--brand); color: #fff; font-size: 14px; }
.step h3 { font-size: 18px; margin: 10px 0 6px; }
.step p { margin: 0; font-size: 15px; color: var(--muted); }
.text-link { font-weight: 600; text-decoration: none; }
.principles { display: grid; gap: 20px; }
.principles p { color: var(--muted); }
.trust-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.trust-list li { border-left: 3px solid var(--brand); padding: 4px 0 4px 14px; font-size: 16px; }
@media (min-width: 900px) { .principles { grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; } }
.contact-cta { display: grid; gap: 14px; align-items: center; background: var(--brand); color: #fff; border-radius: var(--radius); padding: 26px 24px; margin-bottom: 56px; }
.contact-cta h2 { margin: 0 0 6px; font-size: 24px; }
.contact-cta p { margin: 0; opacity: .85; }
.contact-cta .btn-read { background: #fff; border-color: #fff; color: var(--brand); }
@media (min-width: 700px) { .contact-cta { grid-template-columns: 1fr auto; padding: 32px 36px; } .contact-cta .btn-read { padding: 12px 28px; } }

/* ---------- comparison table ---------- */
.compare-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.compare { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 480px; }
.compare th, .compare td { padding: 11px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.compare thead th { background: var(--soft); font-family: var(--serif); font-size: 16px; }
.compare tbody th { font-weight: 600; width: 28%; color: var(--muted); }
.compare tr:last-child th, .compare tr:last-child td { border-bottom: 0; }
@media (max-width: 559px) {
  .compare { min-width: 0; font-size: 14px; }
  .compare thead tr, .compare tbody tr { display: grid; grid-template-columns: 1fr 1fr; }
  .compare thead th:first-child { display: none; }
  .compare tbody tr { border-bottom: 1px solid var(--line); }
  .compare tbody tr:last-child { border-bottom: 0; }
  .compare tbody th { grid-column: 1 / -1; width: auto; padding: 10px 14px 0; border: 0; font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
  .compare tbody td { border: 0; padding: 4px 14px 10px; }
  .compare tbody td + td { border-left: 1px solid var(--line); }
}
@media (max-width: 420px) {
  .btn-amz:not(.btn-sm) { font-size: 16px; padding: 12px 10px; letter-spacing: -0.01em; }
}
.gate-overlay .btn-gate { background: #fff; box-shadow: 0 6px 20px rgba(0,0,0,.12); padding: 12px 28px; width: 100%; max-width: 340px; }
.review.locked .gate-overlay { align-items: center; padding: 0 16px; }
.band-tight { margin-top: 48px; }
.tips { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.tip { display: flex; gap: 14px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.tip b { font-family: var(--serif); font-size: 26px; color: var(--brand); line-height: 1; opacity: .8; }
.tip h3 { font-size: 17px; margin: 2px 0 4px; }
.tip p { margin: 0; font-size: 15px; color: var(--muted); }
.home-faq { max-width: 820px; }

/* ---------- buying guides ---------- */
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.guide-list { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 460px), 1fr)); margin-bottom: 40px; }
.guide-card { display: grid; grid-template-columns: 120px 1fr; gap: 14px; align-items: center; text-decoration: none; color: var(--ink); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; transition: box-shadow .2s; }
.guide-card:hover { box-shadow: 0 10px 28px rgba(0,0,0,.08); }
.guide-card img { border-radius: 8px; aspect-ratio: 4 / 3; object-fit: cover; }
.guide-card h3 { font-size: 17px; margin: 4px 0 4px; }
.guide-card p { margin: 0; font-size: 14px; color: var(--muted); line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.cat-guides { margin-top: 0; }
.lead { color: var(--muted); max-width: 640px; margin-top: -8px; }
.guide-body { max-width: 740px; margin: 6px auto 0; }
.guide-body h1 { font-size: 30px; margin: 6px 0 6px; }
.guide-body h2 { font-size: 25px; margin: 36px 0 12px; scroll-margin-top: 16px; }
.guide-body .intro { font-size: 18px; }
.guide-hero { border-radius: var(--radius); aspect-ratio: 4 / 3; object-fit: cover; width: 100%; max-height: 420px; margin: 8px 0 16px; }
.toc { background: var(--soft); border-radius: var(--radius); padding: 14px 20px; margin: 20px 0 8px; font-size: 15px; }
.toc ol { margin: 8px 0 0; padding-left: 20px; }
.toc li { margin-bottom: 4px; }
.toc a { text-decoration: none; }
.tipbox { border-left: 4px solid var(--amz); background: #fff8ec; border-radius: 0 var(--radius) var(--radius) 0; padding: 12px 16px; margin: 20px 0; }
.tipbox p { margin: 4px 0 0; }
.steps-list { padding-left: 22px; }
.steps-list li { margin-bottom: 10px; }
.pick { display: grid; grid-template-columns: 120px 1fr; gap: 16px; align-items: center; border: 2px solid var(--brand); border-radius: var(--radius); padding: 14px; margin: 26px 0; text-decoration: none; color: var(--ink); }
.pick img { border-radius: 8px; aspect-ratio: 4 / 3; object-fit: cover; }
.pick h3 { font-size: 18px; margin: 4px 0; }
.pick p { margin: 0 0 6px; font-size: 15px; color: var(--muted); }
@media (min-width: 900px) { .guide-body h1 { font-size: 40px; } .pick { grid-template-columns: 180px 1fr; } }
.cover-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.cover-item { display: block; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; text-decoration: none; color: var(--ink); }
a.cover-item:hover { border-color: var(--brand); }
.cover-item h3 { font-size: 18px; margin: 0 0 6px; }
.cover-item p { margin: 0 0 8px; font-size: 15px; color: var(--muted); }
.longread > * { max-width: 820px; }
.longread h3 { font-size: 20px; margin: 24px 0 6px; }
.longread p { color: #3a3e45; }

/* ---------- home hero slideshow ---------- */
.hero-grid { display: grid; gap: 24px; align-items: center; }
.hero-slides { position: relative; aspect-ratio: 4 / 3; border-radius: 16px; overflow: hidden; background: #fff; box-shadow: 0 14px 40px rgba(0,0,0,.10); }
.slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1s ease; pointer-events: none; }
.slide.on { opacity: 1; pointer-events: auto; }
.slide img { width: 100%; height: 100%; object-fit: cover; }
.slide-cap { position: absolute; left: 12px; bottom: 12px; background: rgba(255,255,255,.94); color: var(--ink); font-size: 14px; font-weight: 600; padding: 6px 12px; border-radius: 999px; box-shadow: 0 2px 8px rgba(0,0,0,.12); }
.slide-cap b { color: var(--brand); }
.slide-dots { position: absolute; right: 14px; bottom: 18px; display: flex; gap: 5px; }
.slide-dots span { width: 6px; height: 6px; border-radius: 50%; background: rgba(0,0,0,.22); transition: background .3s; }
.slide-dots span.on { background: var(--ink); }
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.05fr 1fr; gap: 48px; }
  .home-hero h1 { font-size: 40px; }
}
.photo-credit { max-width: 720px; margin: 28px auto 0; font-size: 12px; color: var(--muted); }
.photo-credit a { color: var(--muted); }
.cta-hint { font-size: 14px; color: var(--muted); margin: 0 0 8px; line-height: 1.45; }
.cta-hint strong { color: var(--ink); }
@media (min-width: 900px) { .cta-hint { font-size: 15px; } }

/* ---------- alternative product (quiet mention) ---------- */
.alt-pick { background: var(--soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 18px 20px; margin: 36px 0; }
.alt-pick h2 { font-size: 22px; margin: 4px 0 14px; }
.alt-label { font: 600 12px/1 var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.alt-grid { display: grid; gap: 14px; }
.alt-grid img { width: 100%; border-radius: 8px; aspect-ratio: 4 / 3; object-fit: contain; background: #fff; }
.alt-grid h3 { font-size: 18px; margin: 0 0 6px; }
.alt-grid p { margin: 0 0 10px; font-size: 16px; }
.alt-facts { margin: 0 0 14px; padding-left: 18px; font-size: 15px; color: var(--muted); }
.alt-facts li { margin: 3px 0; }
.btn-alt { display: inline-flex; align-items: center; gap: 6px; min-height: 42px; padding: 8px 16px; border: 1.5px solid var(--brand); border-radius: 10px; color: var(--brand); background: #fff; font: 600 15px/1.2 var(--sans); text-decoration: none; }
.btn-alt:hover { background: var(--brand); color: #fff; }
@media (min-width: 700px) { .alt-grid { grid-template-columns: 220px 1fr; align-items: start; } }
.hero + .alt-pick { max-width: 720px; margin: 24px auto 8px; }
.alt-pick .btn-amz { display: inline-flex; padding: 12px 22px; }