:root {
  --forest: #173f2b;
  --forest-deep: #0d2d1e;
  --lime: #d8ff87;
  --lime-soft: #efffc9;
  --lavender: #ebe8ff;
  --violet: #5d4f92;
  --ink: #17201b;
  --muted: #667168;
  --line: #d8ded9;
  --surface: #f4f6f2;
  --paper: #ffffff;
  --warm: #f6f1ea;
  --danger: #a54242;
  --container: 1240px;
  --shadow: 0 20px 60px rgba(13, 45, 30, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

body.nav-open {
  overflow: hidden;
}

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

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

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

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

:focus-visible {
  outline: 3px solid rgba(93, 79, 146, 0.45);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  transform: translateY(-160%);
  padding: 8px 12px;
  background: var(--lime);
  color: var(--forest-deep);
}

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

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

.narrow {
  width: min(calc(100% - 48px), 880px);
  margin-inline: auto;
}



.site-header {
  position: relative;
  z-index: 50;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
}

.header-main {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: 72px;
  gap: 30px;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 180px;
  color: var(--forest-deep);
  line-height: 1;
}

.brand-mark {
  width: 12px;
  height: 12px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--forest);
  box-shadow: 13px 0 0 var(--lime);
}

.brand-copy strong,
.brand-copy small {
  display: block;
}

.brand-copy strong {
  font-size: 19px;
  font-weight: 800;
}

.brand-copy small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
}

.primary-nav ul {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.primary-nav a {
  position: relative;
  display: block;
  padding: 23px 0;
  color: #334039;
  font-size: 14px;
  font-weight: 700;
}

.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: 14px;
  left: 0;
  height: 2px;
  transform: scaleX(0);
  background: var(--forest);
  content: "";
  transition: transform 180ms ease;
}

.primary-nav a:hover::after,
.primary-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-shop,
.header-cart {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 9px 16px;
  border: 1px solid var(--forest);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 800;
}

.header-shop {
  background: var(--forest);
  color: #fff;
}

.header-cart {
  min-width: 42px;
  padding-inline: 12px;
  background: #fff;
  color: var(--forest);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
  color: var(--forest-deep);
  font-size: 22px;
  line-height: 1;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border: 1px solid var(--forest);
  border-radius: 4px;
  background: var(--forest);
  color: #fff;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
  background: var(--forest-deep);
}

.button--lime {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--forest-deep);
}

.button--lime:hover {
  border-color: #c4ef67;
  background: #c4ef67;
}

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

.button--light {
  border-color: #fff;
  background: #fff;
  color: var(--forest-deep);
}

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

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--forest-deep);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

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

.section-title {
  margin: 0;
  color: var(--forest-deep);
  font-size: clamp(36px, 4.5vw, 64px);
  font-weight: 500;
  line-height: 1.08;
}

.section-lead {
  max-width: 680px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 48px;
}

.eyebrow {
  display: block;
  margin-bottom: 16px;
  color: var(--violet);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

/* Homepage */
.home-hero {
  position: relative;
  min-height: min(700px, calc(100vh - 102px));
  overflow: hidden;
  background: var(--forest);
  color: #fff;
}

.home-hero::before {
  position: absolute;
  top: -18%;
  right: -10%;
  width: 58vw;
  max-width: 820px;
  aspect-ratio: 1;
  border: 1px solid rgba(216, 255, 135, 0.28);
  border-radius: 50%;
  content: "";
}

.home-hero::after {
  position: absolute;
  top: 14%;
  right: 7%;
  width: 32vw;
  max-width: 460px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--lime);
  content: "";
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  min-height: inherit;
  padding-top: 54px;
  padding-bottom: 54px;
}

.hero-copy {
  position: relative;
  z-index: 3;
  width: min(54%, 660px);
}

.hero-copy h1 {
  margin: 0;
  max-width: 650px;
  color: #fff;
  font-size: clamp(54px, 7.2vw, 104px);
  font-weight: 500;
  line-height: 0.95;
}

.hero-copy h1 span {
  display: block;
  margin-top: 10px;
  color: var(--lime);
  font-size: 0.43em;
  font-weight: 700;
  line-height: 1.1;
}

.hero-copy p {
  max-width: 540px;
  margin: 24px 0 0;
  color: #e5eee7;
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-product-stage {
  position: absolute;
  z-index: 2;
  right: -1%;
  bottom: 0;
  width: min(51vw, 700px);
}

.hero-product-stage img {
  position: relative;
  z-index: 2;
  width: 100%;
  filter: drop-shadow(0 28px 34px rgba(0, 0, 0, 0.24));
}

.hero-dose {
  position: absolute;
  z-index: 3;
  right: 4%;
  bottom: 8%;
  padding: 10px 15px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 4px;
  background: rgba(13, 45, 30, 0.85);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}

.fact-rail {
  border-bottom: 1px solid var(--line);
  background: var(--lime);
}

.fact-rail-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.fact-rail-item {
  min-width: 0;
  padding: 22px 24px;
  border-left: 1px solid rgba(23, 63, 43, 0.22);
}

.fact-rail-item:last-child {
  border-right: 1px solid rgba(23, 63, 43, 0.22);
}

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

.fact-rail-item strong {
  color: var(--forest-deep);
  font-size: 12px;
}

.fact-rail-item span {
  margin-top: 3px;
  color: #355443;
  font-size: 14px;
}

.product-shelf {
  padding: 108px 0;
}

.product-shelf-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 48px;
}

.product-shelf-head .section-heading {
  margin: 0;
}

.dose-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.dose-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.dose-card-media {
  position: relative;
  display: grid;
  aspect-ratio: 1;
  place-items: center;
  overflow: hidden;
  background: var(--surface);
}

.dose-card:nth-child(2) .dose-card-media {
  background: var(--lavender);
}

.dose-card:nth-child(3) .dose-card-media {
  background: var(--lime-soft);
}

.dose-card:nth-child(4) .dose-card-media {
  background: var(--warm);
}

.dose-card-media img {
  width: 92%;
  transition: transform 260ms ease;
}

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

.dose-pill {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 6px 9px;
  border-radius: 4px;
  background: var(--forest-deep);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
}

.dose-card-body {
  padding: 22px;
}

.dose-card-body h3 {
  margin: 0;
  color: var(--forest-deep);
  font-size: 21px;
  line-height: 1.28;
}

.dose-card-body p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.dose-card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
}

.dose-card-price {
  color: var(--forest-deep);
  font-size: 20px;
  font-weight: 900;
}

.dose-card-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--forest);
  color: #fff;
  font-size: 20px;
}

.dose-map {
  padding: 96px 0;
  overflow: hidden;
  background: var(--forest-deep);
  color: #fff;
}

.dose-map .section-title {
  max-width: 820px;
  color: #fff;
}

.dose-map-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 58px;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
}

.dose-map-link {
  min-width: 0;
  padding: 32px 24px 12px;
  border-right: 1px solid rgba(255, 255, 255, 0.25);
}

.dose-map-link:first-child {
  border-left: 1px solid rgba(255, 255, 255, 0.25);
}

.dose-map-link strong,
.dose-map-link span {
  display: block;
}

.dose-map-link strong {
  color: var(--lime);
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 500;
  line-height: 1;
}

.dose-map-link span {
  margin-top: 16px;
  color: #cbd9d0;
  font-size: 14px;
}

.science-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 1fr);
  min-height: 720px;
  background: var(--lime-soft);
}

.science-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 90px max(24px, calc((100vw - var(--container)) / 2)) 90px 8vw;
}

.science-copy .section-title {
  max-width: 620px;
}

.science-copy p {
  max-width: 640px;
  margin: 24px 0 0;
  color: #4e6255;
}

.science-copy .text-link {
  width: fit-content;
  margin-top: 28px;
}

.science-media {
  position: relative;
  display: grid;
  min-height: 600px;
  place-items: center;
  overflow: hidden;
  background: var(--lavender);
}

.science-media::before {
  position: absolute;
  width: 72%;
  aspect-ratio: 1;
  border: 1px solid rgba(93, 79, 146, 0.3);
  border-radius: 50%;
  content: "";
}

.science-media img {
  position: relative;
  z-index: 1;
  width: min(84%, 650px);
  filter: drop-shadow(0 22px 30px rgba(38, 31, 68, 0.15));
}

.usage-section {
  padding: 108px 0;
}

.usage-section .section-heading {
  margin-bottom: 48px;
}

.usage-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 0.85fr;
  grid-template-rows: auto auto;
  gap: 14px;
}

.usage-card {
  min-width: 0;
  overflow: hidden;
  border-radius: 6px;
  background: var(--surface);
}

.usage-card:first-child {
  grid-row: span 2;
}

.usage-card img {
  width: 100%;
  aspect-ratio: 1.18;
  object-fit: cover;
}

.usage-card:first-child img {
  height: calc(100% - 94px);
  min-height: 520px;
}

.usage-card-copy {
  min-height: 94px;
  padding: 18px 20px;
}

.usage-card-copy strong,
.usage-card-copy span {
  display: block;
}

.usage-card-copy strong {
  color: var(--forest-deep);
  font-size: 18px;
}

.usage-card-copy span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.order-standards {
  padding: 102px 0;
  background: var(--warm);
}

.standards-grid {
  display: grid;
  grid-template-columns: 1.1fr repeat(3, 1fr);
  gap: 1px;
  background: #dcd3c9;
}

.standard-intro,
.standard-item {
  min-height: 250px;
  padding: 30px;
  background: var(--warm);
}

.standard-intro {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--forest);
  color: #fff;
}

.standard-intro h2 {
  margin: 0;
  color: #fff;
  font-size: 35px;
  line-height: 1.1;
}

.standard-intro a {
  color: var(--lime);
}

.standard-number {
  color: var(--violet);
  font-size: 46px;
  font-weight: 500;
  line-height: 1;
}

.standard-item h3 {
  margin: 44px 0 0;
  color: var(--forest-deep);
  font-size: 20px;
}

.standard-item p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.faq-section {
  padding: 108px 0;
}

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

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

.faq-list summary {
  position: relative;
  padding: 24px 48px 24px 0;
  color: var(--forest-deep);
  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: 24px;
  right: 4px;
  content: "+";
  color: var(--violet);
  font-size: 25px;
  font-weight: 400;
  line-height: 1;
}

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

.faq-answer {
  max-width: 760px;
  padding: 0 0 24px;
  color: var(--muted);
}

.faq-answer p {
  margin: 0;
}

.journal-section {
  padding: 102px 0;
  background: var(--surface);
}

.journal-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 0.85fr;
  gap: 18px;
}

.journal-card {
  min-width: 0;
  overflow: hidden;
  border-radius: 6px;
  background: #fff;
}

.journal-card img {
  width: 100%;
  aspect-ratio: 1.35;
  object-fit: cover;
}

.journal-card:first-child img {
  aspect-ratio: 1.04;
}

.journal-card-copy {
  padding: 24px;
}

.journal-card-copy span {
  color: var(--violet);
  font-size: 12px;
  font-weight: 900;
}

.journal-card-copy h3 {
  margin: 9px 0 0;
  color: var(--forest-deep);
  font-size: 23px;
  line-height: 1.35;
}

.journal-card-copy p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.final-shop {
  padding: 96px 0;
  background: var(--lime);
}

.final-shop-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.final-shop h2 {
  max-width: 760px;
  margin: 0;
  color: var(--forest-deep);
  font-size: clamp(36px, 5vw, 66px);
  font-weight: 500;
  line-height: 1.06;
}

/* Interior pages */
.page-hero {
  padding: 82px 0 72px;
  background: var(--forest-deep);
  color: #fff;
}

.page-hero--light {
  background: var(--lime-soft);
  color: var(--forest-deep);
}

.page-hero-inner {
  max-width: 920px;
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(46px, 7vw, 88px);
  font-weight: 500;
  line-height: 1;
}

.page-hero p {
  max-width: 720px;
  margin: 24px 0 0;
  color: #d8e3dc;
  font-size: 18px;
}

.page-hero--light p {
  color: #4d6254;
}

.breadcrumbs {
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding-top: 13px;
  padding-bottom: 13px;
  color: var(--muted);
  font-size: 12px;
  list-style: none;
}

.breadcrumbs li + li::before {
  margin-right: 8px;
  content: "/";
  color: #aab1ac;
}

.shop-section {
  padding: 92px 0 110px;
}

.shop-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.shop-toolbar strong {
  color: var(--forest-deep);
  font-size: 20px;
}

.shop-toolbar span {
  color: var(--muted);
  font-size: 14px;
}

.shop-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.shop-product {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(230px, 0.75fr);
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.shop-product-media {
  display: grid;
  aspect-ratio: 1;
  place-items: center;
  background: var(--surface);
}

.shop-product:nth-child(2) .shop-product-media {
  background: var(--lavender);
}

.shop-product:nth-child(3) .shop-product-media {
  background: var(--lime-soft);
}

.shop-product:nth-child(4) .shop-product-media {
  background: var(--warm);
}

.shop-product-media img {
  width: 92%;
}

.shop-product-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 26px;
}

.shop-product-copy h2 {
  margin: 0;
  color: var(--forest-deep);
  font-size: 26px;
  line-height: 1.2;
}

.shop-product-copy p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.shop-product-price {
  margin-top: 20px;
  color: var(--forest-deep);
  font-size: 24px;
  font-weight: 900;
}

.shop-product-actions {
  display: grid;
  gap: 9px;
  margin-top: 18px;
}

.price-table-section {
  padding: 96px 0 110px;
  background: var(--surface);
}

.price-table-wrap {
  margin-top: 44px;
  overflow-x: auto;
}

.price-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: #fff;
}

.price-table th,
.price-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.price-table th {
  color: var(--forest-deep);
  font-size: 13px;
}

.price-table td {
  color: #4e5a52;
}

.price-table .table-price {
  color: var(--forest-deep);
  font-weight: 900;
}

.order-flow {
  padding: 96px 0 110px;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 44px;
}

.flow-item {
  padding: 28px;
  border-top: 4px solid var(--lime);
  background: var(--forest-deep);
  color: #fff;
}

.flow-item strong {
  display: block;
  color: var(--lime);
  font-size: 32px;
}

.flow-item h3 {
  margin: 24px 0 0;
  font-size: 22px;
}

.flow-item p {
  margin: 10px 0 0;
  color: #d4dfd8;
  font-size: 14px;
}

/* Product details */
.product-buy {
  padding: 44px 0 90px;
}

.product-buy-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(400px, 0.65fr);
  gap: 28px;
  align-items: start;
}

.product-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.product-gallery-item {
  display: grid;
  min-width: 0;
  aspect-ratio: 1;
  place-items: center;
  overflow: hidden;
  border-radius: 6px;
  background: var(--surface);
}

.product-gallery-item:nth-child(2) {
  background: var(--lavender);
}

.product-gallery-item:nth-child(3) {
  background: var(--lime-soft);
}

.product-gallery-item:nth-child(4) {
  background: var(--warm);
}

.product-gallery-item img {
  width: 92%;
}

.product-gallery-item--step img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.purchase-panel {
  position: sticky;
  top: 20px;
  padding: 8px 0 0;
}

.purchase-dose {
  display: inline-flex;
  padding: 5px 9px;
  border: 1px solid var(--forest);
  border-radius: 4px;
  color: var(--forest-deep);
  font-size: 12px;
  font-weight: 900;
}

.purchase-panel h1 {
  margin: 18px 0 0;
  color: var(--forest-deep);
  font-size: clamp(36px, 4vw, 54px);
  font-weight: 500;
  line-height: 1.06;
}

.purchase-summary {
  margin: 20px 0 0;
  color: var(--muted);
}

.purchase-price {
  margin-top: 22px;
  color: var(--forest-deep);
  font-size: 32px;
  font-weight: 900;
}

.purchase-price small {
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

.purchase-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.purchase-meta div {
  padding: 14px 0;
}

.purchase-meta div + div {
  padding-left: 18px;
  border-left: 1px solid var(--line);
}

.purchase-meta strong,
.purchase-meta span {
  display: block;
}

.purchase-meta strong {
  font-size: 12px;
}

.purchase-meta span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 13px;
}

.quantity-row {
  display: grid;
  grid-template-columns: 116px 1fr;
  gap: 10px;
  margin-top: 18px;
}

.quantity-control {
  display: grid;
  grid-template-columns: 36px 1fr 36px;
  min-height: 50px;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.quantity-control button {
  padding: 0;
  border: 0;
  background: #fff;
  color: var(--forest-deep);
  cursor: pointer;
  font-size: 20px;
}

.quantity-control input {
  width: 100%;
  padding: 0;
  border: 0;
  background: #fff;
  text-align: center;
}

.purchase-facts {
  margin-top: 26px;
  border-top: 1px solid var(--line);
}

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

.purchase-facts summary {
  position: relative;
  padding: 17px 34px 17px 0;
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}

.purchase-facts summary::-webkit-details-marker {
  display: none;
}

.purchase-facts summary::after {
  position: absolute;
  right: 2px;
  content: "+";
  color: var(--violet);
  font-size: 21px;
}

.purchase-facts details[open] summary::after {
  content: "−";
}

.purchase-facts div {
  padding: 0 0 17px;
  color: var(--muted);
  font-size: 14px;
}

.product-story {
  padding: 108px 0;
  background: var(--forest-deep);
  color: #fff;
}

.product-story-inner {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 8vw;
  align-items: start;
}

.product-story h2 {
  margin: 0;
  color: var(--lime);
  font-size: clamp(42px, 6vw, 74px);
  font-weight: 500;
  line-height: 1;
}

.product-story-copy p {
  margin: 0;
  color: #d6e1da;
  font-size: 18px;
}

.product-story-copy p + p {
  margin-top: 20px;
}

.product-info {
  padding: 108px 0;
}

.product-info-inner {
  display: grid;
  grid-template-columns: minmax(220px, 0.38fr) minmax(0, 1fr);
  gap: 70px;
}

.product-info-nav {
  position: sticky;
  top: 24px;
  align-self: start;
}

.product-info-nav h2 {
  margin: 0;
  color: var(--forest-deep);
  font-size: 24px;
}

.product-info-nav ul {
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

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

.prose-section + .prose-section {
  margin-top: 76px;
  padding-top: 76px;
  border-top: 1px solid var(--line);
}

.prose-section h2 {
  margin: 0;
  color: var(--forest-deep);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 500;
  line-height: 1.15;
}

.prose-section h3 {
  margin: 34px 0 0;
  color: var(--forest-deep);
  font-size: 21px;
}

.prose-section p,
.prose-section ul,
.prose-section ol {
  color: #59635d;
}

.prose-section p {
  margin: 20px 0 0;
}

.prose-section ul,
.prose-section ol {
  margin: 20px 0 0;
  padding-left: 1.4em;
}

.prose-section li + li {
  margin-top: 9px;
}

.spec-table {
  width: 100%;
  margin-top: 28px;
  border-collapse: collapse;
}

.spec-table th,
.spec-table td {
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  width: 150px;
  color: var(--forest-deep);
}

.spec-table td {
  color: var(--muted);
}

.info-note {
  margin-top: 28px;
  padding: 20px;
  border-left: 4px solid var(--violet);
  background: var(--lavender);
  color: #494264;
}

.related-products {
  padding: 96px 0 110px;
  background: var(--surface);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 42px;
}

.related-card {
  display: grid;
  grid-template-columns: 116px 1fr;
  align-items: center;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.related-card img {
  width: 116px;
  height: 116px;
  object-fit: cover;
}

.related-card div {
  padding: 16px;
}

.related-card strong,
.related-card span {
  display: block;
}

.related-card strong {
  color: var(--forest-deep);
}

.related-card span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

/* Blog */
.blog-section {
  padding: 90px 0 110px;
}

.blog-feature {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  overflow: hidden;
  border-radius: 6px;
  background: var(--forest-deep);
  color: #fff;
}

.blog-feature img {
  width: 100%;
  height: 100%;
  min-height: 440px;
  object-fit: cover;
}

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

.blog-feature-copy span {
  color: var(--lime);
  font-size: 12px;
  font-weight: 900;
}

.blog-feature-copy h2 {
  margin: 16px 0 0;
  color: #fff;
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 500;
  line-height: 1.12;
}

.blog-feature-copy p {
  margin: 20px 0 0;
  color: #d6e1da;
}

.blog-feature-copy .text-link {
  width: fit-content;
  margin-top: 26px;
  color: var(--lime);
}

.blog-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.blog-card {
  min-width: 0;
  border-bottom: 1px solid var(--line);
}

.blog-card img {
  width: 100%;
  aspect-ratio: 1.2;
  object-fit: cover;
  border-radius: 6px;
}

.blog-card-body {
  padding: 20px 0 28px;
}

.blog-card-body span {
  color: var(--violet);
  font-size: 12px;
  font-weight: 900;
}

.blog-card-body h2 {
  margin: 9px 0 0;
  color: var(--forest-deep);
  font-size: 25px;
  line-height: 1.35;
}

.blog-card-body p {
  margin: 12px 0 0;
  color: var(--muted);
}

.article-header {
  padding: 90px 0 56px;
  background: var(--lime-soft);
  text-align: center;
}

.article-header h1 {
  max-width: 980px;
  margin: 16px auto 0;
  color: var(--forest-deep);
  font-size: clamp(44px, 6.5vw, 82px);
  font-weight: 500;
  line-height: 1.06;
}

.article-meta {
  margin-top: 20px;
  color: var(--muted);
  font-size: 14px;
}

.article-feature {
  width: min(calc(100% - 48px), 1180px);
  margin: 0 auto;
  transform: translateY(38px);
}

.article-feature img {
  width: 100%;
  max-height: 650px;
  object-fit: cover;
  border-radius: 6px;
  background: var(--surface);
}

.article-body {
  width: min(calc(100% - 48px), 820px);
  margin: 108px auto 110px;
  color: #505c54;
  font-size: 18px;
}

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

.article-body h2 {
  margin: 66px 0 0;
  color: var(--forest-deep);
  font-size: clamp(31px, 4vw, 45px);
  font-weight: 500;
  line-height: 1.2;
}

.article-body h3 {
  margin: 38px 0 0;
  color: var(--forest-deep);
}

.article-body p,
.article-body ul,
.article-body ol {
  margin-top: 20px;
}

.article-body li + li {
  margin-top: 9px;
}

.article-callout {
  margin-top: 34px;
  padding: 24px;
  border-left: 4px solid var(--forest);
  background: var(--lime-soft);
  color: var(--forest-deep);
}

/* Ordering guide and cart */
.guide-section {
  padding: 94px 0 110px;
}

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

.guide-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 40px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.guide-row strong {
  color: var(--violet);
  font-size: 14px;
}

.guide-row h2 {
  margin: 0;
  color: var(--forest-deep);
  font-size: 28px;
}

.guide-row p {
  margin: 10px 0 0;
  color: var(--muted);
}

.guide-row .text-link {
  margin-top: 16px;
}

.cart-section {
  min-height: 610px;
  padding: 100px 0;
  background: var(--surface);
}

.cart-empty {
  display: grid;
  width: min(100%, 720px);
  min-height: 390px;
  margin: 0 auto;
  padding: 56px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  text-align: center;
}

.cart-icon {
  display: grid;
  width: 84px;
  height: 84px;
  margin: 0 auto;
  place-items: center;
  border-radius: 50%;
  background: var(--lime);
  color: var(--forest-deep);
  font-size: 34px;
}

.cart-empty h1 {
  margin: 24px 0 0;
  color: var(--forest-deep);
  font-size: 42px;
  font-weight: 500;
  line-height: 1.1;
}

.cart-empty p {
  margin: 15px auto 0;
  color: var(--muted);
}

.cart-empty .button {
  margin-top: 24px;
}

/* Footer */
.site-footer {
  background: var(--forest-deep);
  color: #fff;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.35fr 0.75fr 0.75fr;
  gap: 70px;
  padding-top: 74px;
  padding-bottom: 66px;
}

.footer-brand .brand {
  color: #fff;
}

.footer-brand .brand-mark {
  background: #fff;
}

.footer-brand .brand-copy small {
  color: #b8c8be;
}

.footer-brand p {
  max-width: 430px;
  margin: 24px 0 0;
  color: #bdcbc2;
}

.site-footer h2 {
  margin: 0;
  color: var(--lime);
  font-size: 14px;
}

.footer-links {
  margin: 19px 0 0;
  padding: 0;
  list-style: none;
}

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

.footer-links a {
  color: #d9e4dd;
  font-size: 14px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 20px;
  padding-bottom: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  color: #aebfb4;
  font-size: 12px;
}

@media (max-width: 1120px) {
  .header-main {
    gap: 16px;
  }

  .primary-nav ul {
    gap: 18px;
  }

  .header-shop {
    display: none;
  }

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

  .product-buy-shell {
    grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
  }
}

@media (max-width: 900px) {
  .container,
  .narrow,
  .article-body,
  .article-feature {
    width: min(calc(100% - 36px), var(--container));
  }

  .menu-toggle {
    display: inline-grid;
    place-items: center;
  }

  .header-main {
    grid-template-columns: auto 1fr auto;
    min-height: 68px;
  }

  .brand {
    min-width: 0;
    justify-self: center;
  }

  .primary-nav {
    position: fixed;
    z-index: 60;
    top: 98px;
    right: 0;
    bottom: 0;
    left: 0;
    visibility: hidden;
    transform: translateY(-12px);
    padding: 28px 24px;
    background: #fff;
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  }

  .primary-nav.is-open {
    visibility: visible;
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .primary-nav ul {
    display: block;
  }

  .primary-nav li + li {
    border-top: 1px solid var(--line);
  }

  .primary-nav a {
    padding: 16px 0;
    font-size: 18px;
  }

  .primary-nav a::after {
    display: none;
  }

  .header-cart {
    width: 42px;
    overflow: hidden;
    color: transparent;
  }

  .header-cart::before {
    color: var(--forest);
    content: "袋";
  }

  .home-hero {
    min-height: 720px;
  }

  .hero-copy {
    width: 69%;
    align-self: flex-start;
    padding-top: 48px;
  }

  .hero-copy h1 {
    font-size: 70px;
  }

  .hero-product-stage {
    right: -12%;
    width: 68vw;
  }

  .fact-rail-grid {
    grid-template-columns: 1fr 1fr;
  }

  .fact-rail-item:nth-child(3),
  .fact-rail-item:nth-child(4) {
    border-top: 1px solid rgba(23, 63, 43, 0.22);
  }

  .dose-card-grid,
  .dose-map-list {
    grid-template-columns: 1fr 1fr;
  }

  .science-intro,
  .product-story-inner,
  .product-info-inner {
    grid-template-columns: 1fr;
  }

  .science-copy {
    padding: 76px 28px;
  }

  .science-media {
    min-height: 520px;
    grid-row: 1;
  }

  .usage-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }

  .usage-card:first-child {
    grid-row: auto;
    grid-column: 1 / -1;
  }

  .usage-card:first-child img {
    height: auto;
    min-height: 0;
    aspect-ratio: 1.6;
  }

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

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

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

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

  .purchase-panel,
  .product-info-nav {
    position: static;
  }

  .product-info-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    border: 0;
  }

  .product-info-nav a {
    padding: 8px 11px;
    border: 1px solid var(--line);
    border-radius: 4px;
  }

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

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

  .blog-feature img {
    min-height: 360px;
  }

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

  .footer-main {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 620px) {
  body {
    font-size: 15px;
  }

  .container,
  .narrow,
  .article-body,
  .article-feature {
    width: min(calc(100% - 32px), var(--container));
  }

  

  .header-main {
    min-height: 64px;
  }

  .primary-nav {
    top: 92px;
  }

  .brand-copy strong {
    font-size: 16px;
  }

  .brand-copy small {
    font-size: 9px;
  }

  .home-hero {
    min-height: 690px;
  }

  .home-hero::before {
    top: 34%;
    right: -34%;
    width: 118vw;
  }

  .home-hero::after {
    top: auto;
    right: -12%;
    bottom: 4%;
    width: 78vw;
  }

  .hero-inner {
    align-items: flex-start;
    padding-top: 56px;
  }

  .hero-copy {
    width: 100%;
    padding: 0;
  }

  .hero-copy h1 {
    max-width: 360px;
    font-size: 56px;
  }

  .hero-copy p {
    max-width: 340px;
    font-size: 16px;
  }

  .hero-actions {
    margin-top: 22px;
  }

  .hero-product-stage {
    right: -18%;
    bottom: 1%;
    width: 98vw;
  }

  .hero-dose {
    right: 13%;
    bottom: 2%;
  }

  .fact-rail-item {
    padding: 18px 14px;
  }

  .product-shelf,
  .usage-section,
  .faq-section,
  .journal-section,
  .shop-section,
  .price-table-section,
  .order-flow,
  .product-story,
  .product-info,
  .related-products,
  .blog-section,
  .guide-section {
    padding-top: 74px;
    padding-bottom: 80px;
  }

  .product-shelf-head,
  .final-shop-inner {
    display: block;
  }

  .product-shelf-head .text-link {
    margin-top: 20px;
  }

  .section-title {
    font-size: 38px;
  }

  .section-lead {
    font-size: 16px;
  }

  .dose-card-grid,
  .dose-map-list,
  .usage-grid,
  .standards-grid,
  .journal-grid,
  .shop-grid,
  .flow-grid,
  .blog-card-grid {
    grid-template-columns: 1fr;
  }

  .dose-card-body {
    padding: 18px;
  }

  .dose-map {
    padding: 76px 0;
  }

  .dose-map-link,
  .dose-map-link:first-child {
    padding: 25px 8px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
    border-left: 0;
  }

  .science-media {
    min-height: 390px;
  }

  .science-copy {
    padding: 64px 20px;
  }

  .usage-card:first-child,
  .journal-card:first-child {
    grid-column: auto;
  }

  .usage-card:first-child img,
  .usage-card img,
  .journal-card:first-child img,
  .journal-card img {
    aspect-ratio: 1.2;
  }

  .standard-intro,
  .standard-item {
    min-height: 0;
  }

  .final-shop {
    padding: 72px 0;
  }

  .final-shop .button {
    margin-top: 26px;
  }

  .page-hero {
    padding: 64px 0 58px;
  }

  .page-hero h1 {
    font-size: 48px;
  }

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

  .shop-toolbar {
    display: block;
  }

  .shop-toolbar span {
    display: block;
    margin-top: 5px;
  }

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

  .shop-product-copy {
    padding: 22px;
  }

  .product-buy {
    padding: 24px 0 72px;
  }

  .product-gallery {
    gap: 8px;
  }

  .purchase-panel h1 {
    font-size: 40px;
  }

  .quantity-row {
    grid-template-columns: 104px 1fr;
  }

  .product-story-inner {
    gap: 36px;
  }

  .product-info-inner {
    gap: 48px;
  }

  .spec-table th {
    width: 112px;
  }

  .related-card {
    grid-template-columns: 96px 1fr;
  }

  .related-card img {
    width: 96px;
    height: 96px;
  }

  .blog-feature img {
    min-height: 280px;
  }

  .blog-feature-copy {
    padding: 32px 24px;
  }

  .article-header {
    padding: 68px 0 42px;
  }

  .article-header h1 {
    font-size: 43px;
    overflow-wrap: anywhere;
  }

  .article-body {
    margin-top: 90px;
    font-size: 16px;
  }

  .article-body > p:first-child {
    font-size: 19px;
  }

  .guide-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .cart-section {
    min-height: 540px;
    padding: 70px 0;
  }

  .cart-empty {
    min-height: 360px;
    padding: 36px 22px;
  }

  .cart-empty h1 {
    font-size: 36px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 38px;
    padding-top: 58px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    display: block;
  }

  .footer-bottom span + span {
    display: block;
    margin-top: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}


/* Viagra conversion components */
.viagra-article-media img,
.viagra-guide-page img,
.viagra-product-editorial img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}
.viagra-article-section,
.viagra-key-points,
.viagra-safety-note,
.viagra-article-cta,
.viagra-product-editorial,
.viagra-guide-safety {
  margin-block: 1.5rem;
}
.viagra-key-points,
.viagra-safety-note,
.viagra-product-editorial,
.viagra-guide-safety {
  padding: clamp(1rem, 2vw, 1.5rem);
  border: 1px solid currentColor;
  border-radius: 6px;
}
.viagra-table-wrap {
  width: 100%;
  overflow-x: auto;
}
.viagra-table-wrap table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
}
.viagra-table-wrap th,
.viagra-table-wrap td {
  padding: .75rem;
  border-bottom: 1px solid currentColor;
  text-align: left;
}
.viagra-faq details {
  padding-block: .75rem;
  border-bottom: 1px solid currentColor;
}
.viagra-guide-page {
  width: min(1180px, calc(100% - 2rem));
  margin-inline: auto;
  padding-block: clamp(2rem, 6vw, 5rem);
}
.viagra-guide-hero {
  max-width: 760px;
  margin-bottom: 2rem;
}
.viagra-guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.viagra-guide-grid article {
  padding: 1.25rem;
  border: 1px solid currentColor;
  border-radius: 6px;
}
.viagra-guide-grid img {
  width: 100%;
  aspect-ratio: 414 / 292;
}
.viagra-guide-back {
  display: inline-block;
  margin-top: 1rem;
}
.viagra-product-editorial {
  width: min(1180px, calc(100% - 2rem));
  margin-inline: auto;
}
.viagra-product-editorial div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5rem 1rem;
}
@media (max-width: 720px) {
  .viagra-guide-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .header-cart {
    width: 64px;
    min-width: 64px;
    padding-inline: 10px;
    overflow: visible;
    color: var(--forest);
    font-size: 12px;
    white-space: nowrap;
  }

  .header-cart::before {
    content: none;
  }
}