:root {
  --indigo: #203779;
  --indigo-dark: #14224f;
  --blue: #3158aa;
  --yellow: #f3dd58;
  --yellow-soft: #fff6c9;
  --coral: #ed6b61;
  --mint: #dcefe9;
  --ice: #edf3f7;
  --paper: #fbfbf8;
  --ink: #19275d;
  --text: #29324e;
  --muted: #626981;
  --line: #d9dde8;
  --white: #fff;
  --container: 1280px;
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--white);
  color: var(--text);
  font-family: Arial, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  color: inherit;
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid rgba(237, 107, 97, 0.45);
  outline-offset: 3px;
}

.container {
  width: min(calc(100% - 64px), var(--container));
  margin-inline: auto;
}

.narrow {
  width: min(calc(100% - 48px), 860px);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 8px;
  left: 8px;
  transform: translateY(-180%);
  padding: 8px 12px;
  background: var(--yellow);
  color: var(--indigo-dark);
}

.skip-link:focus {
  transform: translateY(0);
}


.site-header {
  position: relative;
  z-index: 50;
  background: var(--white);
}

.header-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  min-height: 82px;
  gap: 24px;
}

.desktop-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.desktop-links:last-child {
  justify-content: flex-end;
}

.desktop-links a {
  padding: 26px 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.desktop-links a:hover,
.desktop-links a[aria-current="page"] {
  color: var(--coral);
}

.brand {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 220px;
  color: var(--indigo);
  line-height: 1;
  text-align: center;
}

.brand strong {
  font-size: 28px;
  font-weight: 900;
}

.brand small {
  margin-top: 7px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
}

.cart-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.cart-link span {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--indigo-dark);
  font-size: 11px;
}

.menu-toggle,
.mobile-cart {
  display: none;
}

.mobile-nav {
  display: none;
}

.dose-strip {
  overflow-x: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}

.dose-strip::-webkit-scrollbar {
  display: none;
}

.dose-track {
  display: flex;
  width: max-content;
  min-width: 100%;
  justify-content: center;
}

.dose-track a {
  display: inline-flex;
  min-height: 45px;
  align-items: center;
  gap: 8px;
  padding: 10px 30px;
  border-right: 1px solid var(--line);
  color: var(--indigo);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.dose-track a:first-child {
  border-left: 1px solid var(--line);
}

.dose-track a:hover,
.dose-track a[aria-current="page"] {
  background: var(--yellow-soft);
}

.dose-track small {
  color: var(--muted);
  font-size: 11px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 13px 25px;
  border: 2px solid var(--indigo);
  border-radius: 4px;
  background: var(--indigo);
  color: var(--white);
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button:hover {
  border-color: var(--blue);
  background: var(--blue);
  transform: translateY(-2px);
}

.button--coral {
  border-color: var(--coral);
  background: var(--coral);
}

.button--outline {
  background: transparent;
  color: var(--indigo);
}

.button--wide {
  width: 100%;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--indigo);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: var(--coral);
  text-underline-offset: 5px;
}

.text-link::after {
  content: "→";
  text-decoration: none;
}

.eyebrow {
  display: block;
  margin-bottom: 12px;
  color: var(--coral);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 36px;
  margin-bottom: 40px;
}

.section-title {
  max-width: 790px;
  margin: 0;
  color: var(--ink);
  font-size: 48px;
  font-weight: 500;
  line-height: 1.12;
}

.section-title em {
  font-family: Georgia, "Noto Serif TC", serif;
  font-weight: 400;
}

.section-lead {
  max-width: 560px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
}

/* Homepage */
.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(360px, 3fr);
  min-height: 610px;
  border-bottom: 1px solid var(--line);
}

.hero-visual {
  position: relative;
  display: grid;
  min-height: 610px;
  overflow: hidden;
  place-items: center;
  background: var(--yellow);
}

.hero-visual::before {
  position: absolute;
  width: 62%;
  aspect-ratio: 1;
  border: 2px solid rgba(32, 55, 121, 0.25);
  border-radius: 50%;
  content: "";
}

.hero-visual img {
  position: relative;
  z-index: 2;
  width: min(72%, 670px);
  max-height: 510px;
  object-fit: contain;
}

.hero-dosage {
  position: absolute;
  z-index: 3;
  right: 34px;
  bottom: 28px;
  display: grid;
  width: 102px;
  aspect-ratio: 1;
  place-items: center;
  border: 2px solid var(--indigo);
  border-radius: 50%;
  background: var(--white);
  color: var(--indigo);
  font-size: 22px;
  font-weight: 900;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
  padding: 54px 44px 42px;
  background: var(--paper);
}

.hero-copy h1 {
  margin: 0;
  color: var(--ink);
  font-size: 55px;
  font-weight: 500;
  line-height: 1.04;
}

.hero-copy h1 em {
  display: block;
  margin-top: 6px;
  font-family: Georgia, "Noto Serif TC", serif;
  font-weight: 400;
}

.hero-copy p {
  margin: 24px 0 0;
  color: var(--text);
  font-size: 18px;
}

.hero-offer {
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.hero-price {
  display: block;
  margin-bottom: 18px;
  color: var(--indigo);
  font-size: 26px;
  font-weight: 900;
}

.product-section {
  padding: 70px 0 90px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  min-width: 0;
}

.product-media {
  position: relative;
  display: grid;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  place-items: center;
  background: var(--yellow-soft);
}

.product-card:nth-child(2) .product-media {
  background: var(--mint);
}

.product-card:nth-child(3) .product-media {
  background: var(--ice);
}

.product-card:nth-child(4) .product-media {
  background: #f8dedb;
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 220ms ease;
}

.product-media:hover img {
  transform: scale(1.025);
}

.product-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 5px 8px;
  background: var(--white);
  color: var(--indigo);
  font-size: 11px;
  font-weight: 800;
}

.product-copy {
  padding: 17px 2px 0;
}

.product-copy h3,
.product-copy h2 {
  margin: 0;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.3;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 7px 0 14px;
  color: var(--muted);
  font-size: 13px;
}

.product-price {
  display: block;
  margin-bottom: 14px;
  color: var(--indigo);
  font-size: 19px;
  font-weight: 900;
}

.product-card .button {
  min-height: 44px;
  padding-block: 10px;
}

.facts-strip {
  background: var(--indigo);
  color: var(--white);
}

.facts-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.fact-item {
  min-width: 0;
  padding: 34px 28px;
  border-right: 1px solid rgba(255, 255, 255, 0.22);
}

.fact-item:first-child {
  border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.fact-item strong {
  display: block;
  color: var(--yellow);
  font-size: 24px;
}

.fact-item span {
  display: block;
  margin-top: 4px;
  font-size: 13px;
}

.compare-story {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  min-height: 650px;
}

.story-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px max(7vw, 50px);
  background: var(--mint);
}

.story-copy h2 {
  margin: 0;
  color: var(--ink);
  font-size: 50px;
  font-weight: 500;
  line-height: 1.12;
}

.story-copy p {
  max-width: 550px;
  margin: 24px 0 30px;
  font-size: 18px;
}

.story-visual {
  position: relative;
  display: grid;
  min-height: 650px;
  place-items: center;
  overflow: hidden;
  background: var(--ice);
}

.story-visual img {
  width: min(72%, 620px);
  max-height: 530px;
  object-fit: contain;
}

.story-label {
  position: absolute;
  right: 32px;
  bottom: 30px;
  max-width: 210px;
  padding: 18px;
  background: var(--white);
  color: var(--indigo);
  font-size: 14px;
  font-weight: 700;
}

.use-section {
  padding: 92px 0;
}

.use-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2px;
  background: var(--indigo);
}

.use-step {
  background: var(--white);
}

.use-step img {
  width: 100%;
  aspect-ratio: 1.2;
  object-fit: cover;
}

.use-step-copy {
  min-height: 180px;
  padding: 24px;
}

.use-step-copy strong {
  color: var(--coral);
  font-size: 12px;
}

.use-step-copy h3 {
  margin: 7px 0 8px;
  color: var(--ink);
  font-size: 21px;
}

.use-step-copy p {
  margin: 0;
  color: var(--muted);
}

.info-band {
  padding: 84px 0;
  background: var(--yellow);
}

.info-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
  gap: 84px;
}

.info-layout h2 {
  margin: 0;
  color: var(--indigo);
  font-size: 52px;
  font-weight: 500;
  line-height: 1.08;
}

.info-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.info-list li {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 26px;
  padding: 22px 0;
  border-top: 1px solid rgba(32, 55, 121, 0.35);
}

.info-list li:last-child {
  border-bottom: 1px solid rgba(32, 55, 121, 0.35);
}

.info-list strong {
  color: var(--indigo);
}

.journal-section {
  padding: 92px 0;
}

.journal-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: 22px;
}

.journal-card img {
  width: 100%;
  aspect-ratio: 1.18;
  object-fit: cover;
  background: var(--ice);
}

.journal-card:first-child img {
  aspect-ratio: 1.4;
  object-fit: contain;
  background: var(--yellow-soft);
}

.journal-copy {
  padding: 20px 0;
}

.journal-copy span {
  color: var(--coral);
  font-size: 12px;
  font-weight: 800;
}

.journal-copy h3,
.journal-copy h2 {
  margin: 8px 0 10px;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.3;
}

.journal-copy p {
  margin: 0;
  color: var(--muted);
}

.faq-section {
  padding: 82px 0;
  background: var(--paper);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  padding: 22px 48px 22px 0;
  color: var(--ink);
  cursor: pointer;
  font-size: 19px;
  font-weight: 800;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  position: absolute;
  top: 19px;
  right: 6px;
  color: var(--coral);
  content: "+";
  font-size: 27px;
  font-weight: 400;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-answer {
  max-width: 720px;
  padding: 0 0 23px;
  color: var(--muted);
}

.faq-answer p {
  margin: 0;
}

.final-cta {
  padding: 64px 0;
  background: var(--coral);
  color: var(--white);
}

.final-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.final-cta h2 {
  max-width: 820px;
  margin: 0;
  font-size: 38px;
  line-height: 1.2;
}

.final-cta .button {
  border-color: var(--white);
  background: var(--white);
  color: var(--indigo);
}

/* Shared inner pages */
.breadcrumbs {
  border-bottom: 1px solid var(--line);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-block: 0;
  padding-top: 14px;
  padding-bottom: 14px;
  color: var(--muted);
  font-size: 12px;
  list-style: none;
}

.breadcrumbs li:not(:last-child)::after {
  margin-left: 10px;
  content: "/";
}

.page-hero {
  padding: 86px 0;
  background: var(--ice);
}

.page-hero--yellow {
  background: var(--yellow);
}

.page-hero--coral {
  background: #f8dedb;
}

.page-hero h1 {
  max-width: 850px;
  margin: 0;
  color: var(--ink);
  font-size: 62px;
  font-weight: 500;
  line-height: 1.05;
}

.page-hero p {
  max-width: 660px;
  margin: 22px 0 0;
  font-size: 19px;
}

.shop-intro {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  min-height: 500px;
}

.shop-intro-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 72px max(6vw, 48px);
  background: var(--indigo);
  color: var(--white);
}

.shop-intro-copy h1 {
  margin: 0;
  font-size: 60px;
  font-weight: 500;
  line-height: 1.03;
}

.shop-intro-copy p {
  margin: 22px 0 0;
  font-size: 18px;
}

.shop-intro-visual {
  display: grid;
  min-height: 500px;
  place-items: center;
  background: var(--yellow);
}

.shop-intro-visual img {
  width: min(72%, 610px);
  max-height: 430px;
  object-fit: contain;
}

.catalog-section {
  padding: 78px 0 92px;
}

.catalog-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 38px;
}

.catalog-head h2 {
  margin: 0;
  color: var(--ink);
  font-size: 42px;
}

.catalog-head span {
  color: var(--muted);
  font-size: 13px;
}

.comparison-section {
  padding: 82px 0;
  background: var(--paper);
}

.table-wrap {
  overflow-x: auto;
  border-top: 2px solid var(--indigo);
}

.comparison-table,
.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.comparison-table th,
.comparison-table td,
.spec-table th,
.spec-table td {
  padding: 18px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

.comparison-table th {
  color: var(--indigo);
  font-size: 13px;
}

.comparison-table .price {
  color: var(--indigo);
  font-weight: 900;
}

.order-steps {
  padding: 86px 0;
}

.order-step-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.order-step {
  min-height: 240px;
  padding: 30px;
  border-right: 1px solid var(--line);
}

.order-step:first-child {
  border-left: 1px solid var(--line);
}

.order-step strong {
  color: var(--coral);
  font-size: 28px;
}

.order-step h3 {
  margin: 24px 0 8px;
  color: var(--ink);
  font-size: 22px;
}

.order-step p {
  margin: 0;
  color: var(--muted);
}

/* Product detail */
.product-purchase {
  padding: 42px 0 76px;
}

.product-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(400px, 0.92fr);
  gap: 64px;
  align-items: start;
}

.gallery-main {
  display: grid;
  width: 100%;
  aspect-ratio: 1.08;
  place-items: center;
  overflow: hidden;
  background: var(--yellow-soft);
}

.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.gallery-thumb {
  min-width: 0;
  padding: 0;
  overflow: hidden;
  border: 2px solid transparent;
  background: var(--ice);
  cursor: pointer;
}

.gallery-thumb[aria-current="true"] {
  border-color: var(--indigo);
}

.gallery-thumb img {
  width: 100%;
  aspect-ratio: 1.2;
  object-fit: contain;
}

.purchase-panel {
  padding-top: 8px;
}

.purchase-panel h1 {
  margin: 0;
  color: var(--ink);
  font-size: 48px;
  font-weight: 500;
  line-height: 1.08;
}

.purchase-summary {
  margin: 18px 0 24px;
  color: var(--muted);
  font-size: 17px;
}

.support-list {
  margin: 0 0 24px;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.support-list li {
  position: relative;
  padding: 13px 0 13px 28px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.support-list li::before {
  position: absolute;
  top: 12px;
  left: 1px;
  color: var(--coral);
  content: "✓";
  font-weight: 900;
}

.purchase-price {
  display: block;
  margin: 22px 0;
  color: var(--indigo);
  font-size: 30px;
  font-weight: 900;
}

.purchase-label {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.dose-options {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 22px;
}

.dose-option {
  display: flex;
  min-width: 0;
  min-height: 62px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  color: var(--indigo);
  font-size: 12px;
  font-weight: 800;
}

.dose-option small {
  color: var(--muted);
  font-size: 10px;
}

.dose-option.is-selected {
  border: 2px solid var(--indigo);
  background: var(--yellow-soft);
}

.buy-row {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 10px;
}

.quantity-control {
  display: grid;
  grid-template-columns: 38px 1fr 38px;
  min-height: 52px;
  border: 1px solid var(--line);
}

.quantity-control button,
.quantity-control input {
  min-width: 0;
  border: 0;
  background: var(--white);
  text-align: center;
}

.quantity-control button {
  cursor: pointer;
  font-size: 20px;
}

.quantity-control input {
  width: 100%;
  appearance: textfield;
}

.purchase-note {
  margin-top: 12px;
  padding: 13px 16px;
  background: var(--yellow-soft);
  color: var(--indigo);
  font-size: 13px;
  font-weight: 700;
}

.product-keyrail {
  background: var(--indigo);
  color: var(--white);
}

.product-keyrail-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.keyrail-item {
  padding: 30px 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.22);
}

.keyrail-item:first-child {
  border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.keyrail-item strong,
.keyrail-item span {
  display: block;
}

.keyrail-item strong {
  margin-bottom: 5px;
  color: var(--yellow);
  font-size: 12px;
}

.product-details {
  padding: 86px 0;
}

.details-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 80px;
}

.details-nav {
  align-self: start;
  position: sticky;
  top: 20px;
}

.details-nav h2 {
  margin: 0 0 16px;
  color: var(--ink);
  font-size: 22px;
}

.details-nav ul {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.details-nav a {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.detail-block {
  padding: 0 0 45px;
  margin-bottom: 45px;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 20px;
}

.detail-block h2 {
  margin: 0 0 20px;
  color: var(--ink);
  font-size: 35px;
  line-height: 1.2;
}

.detail-block p,
.detail-block ul {
  max-width: 760px;
}

.detail-block li + li {
  margin-top: 8px;
}

.spec-table th {
  width: 180px;
  color: var(--indigo);
}

.detail-callout {
  margin-top: 24px;
  padding: 20px;
  border-left: 4px solid var(--coral);
  background: var(--paper);
}

.usage-banner {
  padding: 82px 0;
  background: var(--mint);
}

.related-products {
  padding: 86px 0;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.related-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  background: var(--ice);
}

.related-card div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  color: var(--indigo);
}

.related-card span {
  font-weight: 800;
  white-space: nowrap;
}

/* Journal and article */
.blog-section {
  padding: 74px 0 96px;
}

.blog-feature {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  margin-bottom: 64px;
  background: var(--yellow-soft);
}

.blog-feature img {
  width: 100%;
  height: 100%;
  min-height: 430px;
  object-fit: contain;
}

.blog-feature-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 54px;
}

.blog-feature-copy span,
.blog-card-copy span {
  color: var(--coral);
  font-size: 12px;
  font-weight: 800;
}

.blog-feature-copy h2 {
  margin: 10px 0 16px;
  color: var(--ink);
  font-size: 38px;
  line-height: 1.2;
}

.blog-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 34px 22px;
}

.blog-card img {
  width: 100%;
  aspect-ratio: 1.25;
  object-fit: cover;
  background: var(--ice);
}

.blog-card:nth-child(2n) img {
  object-fit: contain;
}

.blog-card-copy {
  padding: 18px 0;
}

.blog-card-copy h2 {
  margin: 8px 0;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.3;
}

.blog-card-copy p {
  margin: 0;
  color: var(--muted);
}

.article-header {
  padding: 74px 0 52px;
}

.article-header h1 {
  max-width: 950px;
  margin: 0;
  color: var(--ink);
  font-size: 60px;
  font-weight: 500;
  line-height: 1.08;
}

.article-meta {
  margin-top: 22px;
  color: var(--muted);
  font-size: 13px;
}

.article-feature {
  display: grid;
  width: min(calc(100% - 64px), var(--container));
  min-height: 470px;
  margin-inline: auto;
  place-items: center;
  background: var(--yellow);
}

.article-feature img {
  width: min(66%, 680px);
  max-height: 430px;
  object-fit: contain;
}

.article-body {
  width: min(calc(100% - 48px), 760px);
  margin: 64px auto 86px;
  color: #31384f;
  font-size: 18px;
  line-height: 1.85;
}

.article-body > p:first-child {
  color: var(--ink);
  font-size: 22px;
}

.article-body h2 {
  margin: 50px 0 16px;
  color: var(--ink);
  font-size: 34px;
  line-height: 1.25;
}

.article-body li + li {
  margin-top: 8px;
}

.article-callout {
  margin: 34px 0;
  padding: 24px;
  background: var(--yellow-soft);
  color: var(--indigo);
}

/* Ordering guide and cart */
.guide-section {
  padding: 86px 0;
}

.guide-list {
  border-top: 2px solid var(--indigo);
}

.guide-row {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 26px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.guide-row > strong {
  color: var(--coral);
  font-size: 13px;
}

.guide-row h2 {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 26px;
}

.guide-row p {
  margin: 0 0 14px;
}

.cart-section {
  min-height: 570px;
  padding: 100px 0;
  background: var(--paper);
}

.cart-empty {
  max-width: 700px;
  margin-inline: auto;
  text-align: center;
}

.cart-mark {
  display: grid;
  width: 94px;
  aspect-ratio: 1;
  margin: 0 auto 28px;
  place-items: center;
  border: 2px solid var(--indigo);
  border-radius: 50%;
  color: var(--coral);
  font-size: 34px;
  font-weight: 900;
}

.cart-empty h1 {
  margin: 0;
  color: var(--ink);
  font-size: 48px;
  font-weight: 500;
}

.cart-empty p {
  margin: 18px auto 28px;
  color: var(--muted);
  font-size: 18px;
}

/* Footer */
.site-footer {
  padding: 64px 0 22px;
  background: var(--indigo-dark);
  color: rgba(255, 255, 255, 0.84);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 70px;
  padding-bottom: 54px;
}

.footer-brand .brand {
  align-items: flex-start;
  color: var(--white);
  text-align: left;
}

.footer-brand .brand small {
  color: rgba(255, 255, 255, 0.62);
}

.footer-brand p {
  max-width: 420px;
  margin: 22px 0 0;
}

.site-footer h2 {
  margin: 0 0 16px;
  color: var(--yellow);
  font-size: 13px;
}

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links li + li {
  margin-top: 9px;
}

.footer-links a:hover {
  color: var(--yellow);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 12px;
}

@media (max-width: 1050px) {
  .desktop-links {
    gap: 16px;
  }

  .desktop-links a {
    font-size: 12px;
  }

  .home-hero {
    grid-template-columns: 62% 38%;
  }

  .hero-copy {
    padding-inline: 32px;
  }

  .hero-copy h1 {
    font-size: 46px;
  }

  .product-layout {
    gap: 38px;
  }
}

@media (max-width: 820px) {
  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .header-main {
    grid-template-columns: 42px minmax(0, 1fr) 42px;
    min-height: 66px;
    gap: 8px;
  }

  .desktop-links {
    display: none;
  }

  .menu-toggle,
  .mobile-cart {
    display: grid;
    width: 42px;
    height: 42px;
    padding: 0;
    place-items: center;
    border: 0;
    background: transparent;
    color: var(--indigo);
  }

  .menu-toggle {
    font-size: 24px;
  }

  .mobile-cart {
    position: relative;
    font-size: 12px;
    font-weight: 800;
  }

  .brand {
    min-width: 0;
  }

  .brand strong {
    font-size: 21px;
  }

  .brand small {
    margin-top: 5px;
    font-size: 7px;
  }

  .mobile-nav {
    position: absolute;
    top: 96px;
    right: 0;
    left: 0;
    z-index: 60;
    display: none;
    padding: 14px 16px 22px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--white);
  }

  .mobile-nav.is-open {
    display: block;
  }

  .mobile-nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .mobile-nav a {
    display: block;
    padding: 13px 8px;
    border-bottom: 1px solid var(--line);
    color: var(--indigo);
    font-weight: 700;
  }

  .dose-track {
    justify-content: flex-start;
  }

  .dose-track a {
    padding-inline: 18px;
  }

  .section-heading {
    display: block;
    margin-bottom: 30px;
  }

  .section-heading .text-link {
    margin-top: 18px;
  }

  .section-title {
    font-size: 36px;
  }

  .home-hero {
    display: flex;
    min-height: 0;
    flex-direction: column;
  }

  .hero-visual {
    min-height: 360px;
    order: 1;
  }

  .hero-visual img {
    width: 82%;
    max-height: 320px;
  }

  .hero-dosage {
    right: 18px;
    bottom: 18px;
    width: 74px;
    font-size: 17px;
  }

  .hero-copy {
    min-height: 390px;
    order: 2;
    padding: 38px 24px 32px;
  }

  .hero-copy h1 {
    font-size: 43px;
  }

  .hero-copy p {
    font-size: 16px;
  }

  .product-section,
  .use-section,
  .journal-section,
  .catalog-section,
  .comparison-section,
  .order-steps,
  .product-details,
  .usage-banner,
  .related-products,
  .guide-section {
    padding: 64px 0;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 12px;
  }

  .product-copy h3,
  .product-copy h2 {
    font-size: 17px;
  }

  .product-meta {
    display: block;
  }

  .product-meta span {
    display: block;
  }

  .facts-grid,
  .product-keyrail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fact-item:nth-child(odd),
  .keyrail-item:nth-child(odd) {
    border-left: 0;
  }

  .fact-item,
  .keyrail-item {
    padding: 24px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  }

  .compare-story,
  .shop-intro {
    grid-template-columns: 1fr;
  }

  .story-copy,
  .shop-intro-copy {
    min-height: 420px;
    padding: 56px 24px;
  }

  .story-copy h2,
  .shop-intro-copy h1 {
    font-size: 43px;
  }

  .story-visual,
  .shop-intro-visual {
    min-height: 400px;
  }

  .use-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .use-step-copy {
    min-height: 178px;
    padding: 19px;
  }

  .info-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .info-layout h2 {
    font-size: 42px;
  }

  .info-list li {
    grid-template-columns: 90px 1fr;
  }

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

  .journal-card:first-child {
    grid-column: 1 / -1;
  }

  .final-cta-inner {
    display: block;
  }

  .final-cta h2 {
    margin-bottom: 26px;
    font-size: 31px;
  }

  .page-hero {
    padding: 62px 0;
  }

  .page-hero h1 {
    font-size: 46px;
  }

  .catalog-head {
    display: block;
  }

  .catalog-head span {
    display: block;
    margin-top: 8px;
  }

  .order-step-grid {
    grid-template-columns: 1fr;
  }

  .order-step,
  .order-step:first-child {
    min-height: 0;
    border-right: 0;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }

  .product-layout {
    grid-template-columns: 1fr;
  }

  .purchase-panel h1 {
    font-size: 39px;
  }

  .details-layout {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .details-nav {
    position: static;
  }

  .related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .related-card:last-child {
    display: none;
  }

  .blog-feature {
    grid-template-columns: 1fr;
  }

  .blog-feature img {
    min-height: 320px;
  }

  .blog-feature-copy {
    padding: 34px 24px 42px;
  }

  .blog-card-grid {
    grid-template-columns: 1fr 1fr;
    gap: 26px 14px;
  }

  .article-header h1 {
    font-size: 45px;
  }

  .article-feature {
    width: 100%;
    min-height: 360px;
  }

  .article-feature img {
    width: 82%;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 46px 28px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}