:root {
  color-scheme: only light;
  --ink: #101820;
  --muted: #53616e;
  --line: #d9e3ea;
  --line-strong: #bdd1df;
  --paper: #ffffff;
  --soft: #f4f8fb;
  --blue: #1769d1;
  --blue-dark: #0a4fa9;
  --cyan: #27a9cf;
  --mint: #1ba879;
  --mint-soft: #edf9f4;
  --warning: #fff9ec;
  --shadow: 0 18px 50px rgba(16, 24, 32, 0.1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: "Open Sans", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.72;
}

img { display: block; max-width: 100%; }
a { color: var(--blue-dark); text-decoration-thickness: 1px; text-underline-offset: 3px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3, .listicle-brand, .listicle-button, .listicle-eyebrow { font-family: Inter, Arial, sans-serif; letter-spacing: 0; }
h1 { margin-bottom: 22px; font-size: 54px; line-height: 1.08; font-weight: 900; }
h2 { margin-bottom: 20px; font-size: 36px; line-height: 1.18; font-weight: 850; }
h3 { margin-bottom: 10px; font-size: 20px; line-height: 1.35; font-weight: 800; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  color: #fff;
  background: var(--ink);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.listicle-reading-progress {
  position: fixed;
  z-index: 110;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(23, 105, 209, 0.12);
}
.listicle-reading-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--mint), var(--cyan), var(--blue));
  transform: scaleX(0);
  transform-origin: left center;
}

.listicle-site-header {
  position: relative;
  z-index: 100;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.98);
}
.listicle-site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 48px));
  min-height: 78px;
  margin: 0 auto;
  gap: 24px;
}
.listicle-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  text-decoration: none;
}
.listicle-brand img { width: 46px; height: 46px; }
.listicle-brand span { display: grid; line-height: 1.12; }
.listicle-brand strong { font-size: 16px; font-weight: 900; }
.listicle-brand small { margin-top: 4px; color: var(--muted); font-size: 10px; font-weight: 700; }
.listicle-site-header nav { display: flex; align-items: center; gap: 22px; }
.listicle-site-header nav a { font-family: Inter, Arial, sans-serif; font-size: 14px; font-weight: 700; text-decoration: none; }
.listicle-site-header .listicle-header-cta { padding: 10px 17px; border-radius: 5px; color: #fff; background: var(--blue); }

.listicle-hero {
  position: relative;
  min-height: 650px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #f6f8fa;
}
.listicle-hero-backdrop, .listicle-hero-backdrop img, .listicle-hero-wash {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.listicle-hero-backdrop img {
  left: auto;
  width: auto;
  height: 116%;
  max-width: none;
  object-fit: contain;
  object-position: right top;
}
.listicle-hero-wash {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.99) 0%, rgba(255, 255, 255, 0.94) 40%, rgba(255, 255, 255, 0.16) 68%, rgba(255, 255, 255, 0) 100%);
}
.listicle-hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  width: min(1180px, calc(100% - 48px));
  min-height: 650px;
  margin: 0 auto;
}
.listicle-hero-copy { width: min(640px, 57%); padding: 64px 0; }
.listicle-eyebrow {
  margin-bottom: 14px;
  color: var(--blue-dark);
  font-size: 12px;
  line-height: 1.4;
  font-weight: 850;
  text-transform: uppercase;
}
.listicle-hero-lead { max-width: 610px; margin-bottom: 22px; color: #364652; font-size: 19px; }
.listicle-byline { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 0 0 26px; color: var(--muted); font-size: 13px; }
.listicle-byline a { font-weight: 700; }
.listicle-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 13px 24px;
  border: 0;
  border-radius: 5px;
  color: #fff;
  background: linear-gradient(135deg, var(--cyan), var(--blue) 65%, var(--blue-dark));
  box-shadow: 0 10px 24px rgba(23, 105, 209, 0.22);
  font-size: 13px;
  font-weight: 850;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}
.listicle-button:hover { transform: translateY(-1px); box-shadow: 0 13px 30px rgba(23, 105, 209, 0.28); }

.listicle-document { width: min(920px, calc(100% - 48px)); margin: 0 auto; padding: 72px 0 96px; }
.listicle-document > section, .listicle-document > aside, .listicle-document > nav { margin-bottom: 72px; }
.listicle-opening h2 { max-width: 760px; }
.listicle-hook { max-width: 840px; margin-bottom: 28px; color: #283944; font-size: 22px; line-height: 1.55; font-weight: 600; }
.listicle-verification {
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: start;
  gap: 14px;
  padding: 20px 22px;
  border: 1px solid #aadfc9;
  border-radius: 7px;
  background: var(--mint-soft);
}
.listicle-verification > span {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  color: #fff;
  background: var(--mint);
  font-family: Inter, Arial, sans-serif;
  font-weight: 900;
}
.listicle-verification p { margin: 1px 0 0; color: #174f3c; font-weight: 700; }

.listicle-section-nav {
  position: sticky;
  z-index: 40;
  top: 12px;
  display: flex;
  gap: 7px;
  padding: 9px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 25px rgba(16, 24, 32, 0.06);
  scrollbar-width: none;
}
.listicle-section-nav::-webkit-scrollbar { display: none; }
.listicle-section-nav a {
  flex: 0 0 auto;
  padding: 8px 12px;
  border-radius: 4px;
  color: #344754;
  background: var(--soft);
  font-family: Inter, Arial, sans-serif;
  font-size: 12px;
  font-weight: 750;
  text-decoration: none;
}

.listicle-selection > div, .listicle-formulation > div { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.listicle-selection article { position: relative; padding: 26px 22px 22px; border-top: 3px solid var(--blue); background: var(--soft); }
.listicle-selection article > span {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  margin-bottom: 18px;
  border-radius: 50%;
  color: #fff;
  background: var(--blue);
  font-weight: 900;
}
.listicle-selection article p, .listicle-formulation article p, .listicle-evidence-card p, .listicle-checklist article p, .listicle-pathways article p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.listicle-product-spotlight {
  display: grid;
  grid-template-columns: minmax(280px, 0.86fr) minmax(0, 1.14fr);
  align-items: center;
  gap: 48px;
  padding: 40px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.listicle-product-spotlight-media { min-width: 0; text-align: center; }
.listicle-pouch-picture { display: block; width: min(100%, 410px); aspect-ratio: 1; margin: 0 auto; }
.listicle-pouch-picture img { width: 100%; height: 100%; object-fit: contain; }
.listicle-product-badges { display: grid; gap: 8px; width: min(100%, 390px); margin: 16px auto 0; text-align: left; }
.listicle-product-badges span {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #2b4450;
  font-family: Inter, Arial, sans-serif;
  font-size: 12px;
  font-weight: 750;
}
.listicle-product-badges b {
  display: grid;
  flex: 0 0 21px;
  place-items: center;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  color: #fff;
  background: var(--mint);
  font-size: 12px;
}
.listicle-product-spotlight-copy p:not(.listicle-eyebrow) { color: var(--muted); }
.listicle-formulation article { padding: 0 0 0 20px; border-left: 3px solid var(--cyan); }

.listicle-evidence > p:not(.listicle-eyebrow), .listicle-safety > p, .listicle-product-brief > p { color: var(--muted); }
.listicle-evidence-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 28px; }
.listicle-evidence-card { padding: 22px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.listicle-evidence-card > div { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.listicle-evidence-card > div p { max-width: 52%; text-align: right; }
.listicle-evidence-card > span {
  display: inline-block;
  margin: 2px 0 14px;
  padding: 5px 8px;
  border-radius: 3px;
  color: #23566f;
  background: #eaf6fa;
  font-family: Inter, Arial, sans-serif;
  font-size: 11px;
  font-weight: 800;
}
.listicle-evidence-card > a { display: inline-block; margin-top: 14px; font-size: 13px; font-weight: 700; }

.listicle-featured-products > div { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.listicle-featured-products article { display: flex; flex-direction: column; min-width: 0; padding: 18px; border: 1px solid var(--line); border-radius: 6px; }
.listicle-featured-products article .listicle-pouch-picture { width: 100%; }
.listicle-featured-products article p { flex: 1; color: var(--muted); font-size: 14px; }
.listicle-featured-products article a { font-size: 13px; font-weight: 750; }

.listicle-checklist > div, .listicle-pathways { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.listicle-checklist article, .listicle-pathways article { padding: 20px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.listicle-checklist article > span, .listicle-pathways article > span { color: var(--mint); font-size: 18px; font-weight: 900; }

.listicle-product-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 30px 34px;
  border-left: 4px solid var(--blue);
  background: #eef6ff;
}
.listicle-product-cta h2 { margin-bottom: 8px; font-size: 27px; }
.listicle-product-cta p:not(.listicle-eyebrow) { max-width: 610px; margin-bottom: 0; color: var(--muted); }
.listicle-product-cta .listicle-button { flex: 0 0 auto; }

.listicle-safety { padding: 28px 30px; border: 1px solid #ecd89b; border-radius: 6px; background: var(--warning); }
.listicle-safety h2 { font-size: 28px; }
.listicle-faq-list { border-top: 1px solid var(--line-strong); }
.listicle-faq details { border-bottom: 1px solid var(--line-strong); }
.listicle-faq summary {
  position: relative;
  padding: 21px 42px 21px 0;
  cursor: pointer;
  list-style: none;
  font-family: Inter, Arial, sans-serif;
  font-weight: 750;
}
.listicle-faq summary::-webkit-details-marker { display: none; }
.listicle-faq summary::after { position: absolute; top: 20px; right: 4px; content: "+"; color: var(--blue); font-size: 24px; line-height: 1; }
.listicle-faq details[open] summary::after { content: "-"; }
.listicle-faq details p { max-width: 800px; padding: 0 42px 22px 0; color: var(--muted); }

.listicle-disclosure { padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.listicle-disclosure strong { display: block; margin-bottom: 6px; color: var(--ink); font-family: Inter, Arial, sans-serif; }
.listicle-disclosure p { margin-bottom: 0; }

.listicle-product-hero { border-bottom: 1px solid var(--line); background: linear-gradient(180deg, #f7fbfe, #ffffff); }
.listicle-product-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.85fr);
  align-items: center;
  gap: 58px;
  width: min(1120px, calc(100% - 48px));
  min-height: 610px;
  margin: 0 auto;
  padding: 54px 0;
}
.listicle-product-hero-copy h1 { font-size: 52px; }
.listicle-product-hero-copy > p:not(.listicle-eyebrow) { color: var(--muted); font-size: 20px; }
.listicle-product-hero-media .listicle-pouch-picture { width: min(100%, 470px); }
.listicle-product-document { max-width: 900px; }
.listicle-product-brief { text-align: left; }
.listicle-product-brief .listicle-verification { margin: 26px 0; }
.listicle-product-brief .listicle-pathways { margin: 24px 0 28px; }

.listicle-scroll-cta {
  position: fixed;
  z-index: 90;
  right: 24px;
  bottom: 22px;
  left: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(900px, calc(100% - 48px));
  margin: 0 auto;
  padding: 13px 14px 13px 22px;
  border: 1px solid #c7d9e7;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(24px);
  transition: opacity 180ms ease, transform 180ms ease;
}
.listicle-scroll-cta.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.listicle-scroll-cta > div { display: grid; }
.listicle-scroll-cta span { font-family: Inter, Arial, sans-serif; font-weight: 850; }
.listicle-scroll-cta small { color: var(--muted); font-size: 12px; }
.listicle-scroll-cta .listicle-button { min-height: 44px; padding: 11px 20px; }

.listicle-footer {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(300px, 1fr);
  gap: 34px 70px;
  padding: 54px max(24px, calc((100% - 1120px) / 2));
  border-top: 1px solid var(--line);
  color: #c6d1da;
  background: #111b23;
}
.listicle-footer .listicle-brand { color: #fff; }
.listicle-footer .listicle-brand small, .listicle-footer p { color: #aebbc5; }
.listicle-footer > div > p { max-width: 510px; margin: 18px 0 0; font-size: 14px; }
.listicle-footer nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px 18px; align-content: start; }
.listicle-footer nav a { color: #dbe4eb; font-size: 13px; text-decoration: none; }
.listicle-footer-disclaimer { grid-column: 1 / -1; margin: 0; padding-top: 24px; border-top: 1px solid #2c3b46; font-size: 12px; }

@media (max-width: 900px) {
  h1 { font-size: 44px; }
  h2 { font-size: 32px; }
  .listicle-hero-copy { width: 64%; }
  .listicle-selection > div, .listicle-formulation > div, .listicle-checklist > div, .listicle-pathways { grid-template-columns: 1fr; }
  .listicle-evidence-grid, .listicle-featured-products > div { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .listicle-product-spotlight, .listicle-product-hero-inner { gap: 34px; }
  .listicle-product-hero-inner { grid-template-columns: minmax(0, 1fr) minmax(290px, 0.75fr); }
}

@media (max-width: 720px) {
  body { font-size: 16px; line-height: 1.65; }
  h1, .listicle-product-hero-copy h1 { font-size: 32px; line-height: 1.1; }
  h2 { font-size: 29px; }
  .listicle-site-header-inner { width: min(100% - 28px, 680px); min-height: 68px; }
  .listicle-site-header nav > a:first-child { display: none; }
  .listicle-site-header .listicle-header-cta { padding: 9px 12px; font-size: 12px; }
  .listicle-brand img { width: 40px; height: 40px; }
  .listicle-brand strong { font-size: 14px; }
  .listicle-brand small { font-size: 9px; }

  .listicle-hero { min-height: 0; padding-top: 66.67%; overflow: visible; background: #fff; }
  .listicle-hero-backdrop { bottom: auto; height: auto; aspect-ratio: 3 / 2; }
  .listicle-hero-backdrop img { left: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
  .listicle-hero-wash { display: none; }
  .listicle-hero-inner { min-height: 0; width: 100%; background: #fff; }
  .listicle-hero-copy { width: 100%; padding: 34px 22px 42px; }
  .listicle-hero-lead, .listicle-product-hero-copy > p:not(.listicle-eyebrow) { font-size: 17px; }

  .listicle-document { width: min(100% - 32px, 680px); padding: 50px 0 76px; }
  .listicle-document > section, .listicle-document > aside, .listicle-document > nav { margin-bottom: 52px; }
  .listicle-hook { font-size: 19px; }
  .listicle-section-nav { top: 8px; margin-right: -16px; margin-left: -16px; border-right: 0; border-left: 0; border-radius: 0; }
  .listicle-selection > div, .listicle-formulation > div, .listicle-evidence-grid, .listicle-featured-products > div, .listicle-checklist > div, .listicle-pathways { grid-template-columns: 1fr; }

  .listicle-product-spotlight { grid-template-columns: 1fr; gap: 26px; }
  .listicle-product-spotlight-media { order: 2; }
  .listicle-product-spotlight-copy { order: 1; }
  .listicle-pouch-picture { width: min(100%, 360px); }
  .listicle-product-cta { align-items: stretch; flex-direction: column; padding: 26px 24px; }
  .listicle-product-cta .listicle-button { width: 100%; }

  .listicle-product-hero-inner { grid-template-columns: 1fr; width: min(100% - 32px, 680px); min-height: 0; padding: 42px 0 50px; }
  .listicle-product-hero-media { order: -1; }
  .listicle-product-hero-media .listicle-pouch-picture { width: min(100%, 400px); }

  .listicle-scroll-cta { right: 10px; bottom: 10px; left: 10px; width: calc(100% - 20px); padding: 10px; }
  .listicle-scroll-cta small { display: none; }
  .listicle-scroll-cta span { max-width: 150px; font-size: 13px; line-height: 1.3; }
  .listicle-scroll-cta .listicle-button { min-height: 42px; padding: 10px 14px; font-size: 11px; }

  .listicle-footer { grid-template-columns: 1fr; gap: 28px; padding: 44px 22px; }
  .listicle-footer nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .listicle-footer-disclaimer { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .listicle-button, .listicle-scroll-cta { transition: none; }
}