/* Site-wide base styles: tokens, typography, header, hero, cards, FAQ, footer. */
:root {
  --ink: #3c464c;
  --dark: #273238;
  --muted: #657077;
  --line: #dce0e2;
  --paper: #fff;
  --glacier: #f7f7f8;
  --red: #da291c;
  --mint: #a4e8cd;
  --mint-hover: #8bdebc;
  --mint-ink: #173d31;
  --indigo: #404892;
  --font: Arial, Helvetica, sans-serif;
  --mono: 'Courier New', monospace;
  --radius: 4px;
  --max: 1240px;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.65 var(--font);
  -webkit-font-smoothing: antialiased;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2,
h3 {
  line-height: 1.12;
}
h1,
h2 {
  font-weight: 400;
  letter-spacing: -0.045em;
}
a {
  color: inherit;
  text-underline-offset: 4px;
}
a:focus-visible {
  outline: 3px solid var(--indigo);
  outline-offset: 5px;
}
svg {
  display: block;
}
::selection {
  background: #d9f4e7;
}
.container {
  width: min(var(--max), calc(100% - 48px));
  margin-inline: auto;
}
.icon {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}
.eyebrow {
  font: 12px/1.65 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.skip {
  position: fixed;
  z-index: 20;
  top: 8px;
  left: 8px;
  background: white;
  padding: 12px;
  transform: translateY(-180%);
}
.skip:focus {
  transform: none;
}
.topbar {
  padding: 9px 20px;
  background: var(--ink);
  color: white;
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.08em;
}
.topbar span {
  margin-inline: 12px;
  opacity: 0.6;
}
.header {
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 98px;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
}
.brand-cross {
  width: 27px;
  height: 27px;
  flex: none;
}
.wordmark-text {
  font-size: 23px;
  letter-spacing: -0.04em;
}
.wordmark-text strong {
  font-weight: 750;
}
.wordmark-text span {
  color: #737b80;
}
.nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
}
.nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
}
.nav a:hover {
  text-decoration: underline;
}
.nav .nav-collection {
  gap: 10px;
}
.nav .icon {
  width: 16px;
  height: 16px;
}
.hero {
  display: grid;
  grid-template-columns: 1fr 1.02fr;
  gap: 70px;
  align-items: center;
  padding-block: 52px 64px;
}
.hero-copy {
  padding-block: 14px;
}
.hero .eyebrow {
  display: flex;
  gap: 10px;
  align-items: center;
}
.hero .eyebrow::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--red);
}
h1 {
  font-size: clamp(48px, 5.5vw, 76px);
  line-height: 1.05;
  margin-top: 23px;
}
h1 span {
  color: #7a848a;
}
.hero-description {
  max-width: 440px;
  margin-top: 25px;
  font-size: 18px;
  line-height: 1.75;
  color: var(--muted);
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 16px 21px;
  min-height: 56px;
  border: 1px solid var(--mint);
  border-radius: var(--radius);
  background: var(--mint);
  color: var(--mint-ink);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  transition:
    background 0.18s,
    border-color 0.18s;
}
.button:hover {
  background: var(--mint-hover);
  border-color: var(--mint-hover);
}
.hero .button {
  margin-top: 29px;
}
.hero-note {
  margin-top: 24px;
  font-size: 13px;
  color: var(--muted);
}
.hero-figure {
  margin: 0;
  min-width: 0;
}
.hero-image {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--glacier);
}
.hero-caption {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 11px;
  font: 12px/1.65 var(--mono);
  color: var(--muted);
}
.collection {
  padding-block: 58px 72px;
  border-top: 1px solid var(--line);
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 32px;
  margin-bottom: 30px;
}
.section-heading h2 {
  font-size: clamp(34px, 3.8vw, 48px);
  margin-top: 10px;
}
.section-heading > p {
  max-width: 290px;
  color: var(--muted);
  font-size: 15px;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.product-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  background: var(--paper);
}
.product-card.vial-card {
  background: #f5f9f7;
  border-color: #d4e0d9;
}
.product-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.format-label {
  font: 12px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.format-number {
  font: 12px var(--mono);
  color: var(--muted);
}
.product-card h3 {
  font-size: 32px;
  font-weight: 400;
  letter-spacing: -0.035em;
}
.product-subtitle {
  font-size: 19px;
  color: var(--muted);
  margin-top: 7px;
}
.product-description {
  font-size: 16px;
  line-height: 1.7;
  color: var(--muted);
  margin-top: 18px;
  min-height: 52px;
  max-width: 430px;
}
.formats {
  margin: 27px 0 23px;
  border-top: 1px solid var(--line);
}
.format-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}
.format-row dt {
  font-size: 16px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 12px;
}
.format-row dd {
  margin: 0;
  font-size: 18px;
  white-space: nowrap;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.label {
  display: inline-block;
  padding: 3px 7px;
  font-size: 12px;
  line-height: 1.5;
  font-weight: 500;
  border-radius: 2px;
  background: #edf0f2;
  color: var(--ink);
  white-space: nowrap;
}
.label.shipping {
  background: #dceee3;
  color: var(--mint-ink);
}
.product-card .button {
  margin-top: auto;
  width: 100%;
}
.pen-card .button {
  background: var(--ink);
  border-color: var(--ink);
  color: white;
}
.pen-card .button:hover {
  background: var(--dark);
  border-color: var(--dark);
}
.collection-note {
  font-size: 13px;
  color: var(--muted);
  margin-top: 18px;
  text-align: center;
}
.standards {
  padding-block: 66px;
  background: var(--glacier);
  border-block: 1px solid var(--line);
}
.standards .section-heading {
  margin-bottom: 35px;
}
.standards .section-heading h2 {
  max-width: 650px;
}
.standards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
}
.standard {
  border-top: 1px solid #cbd1d4;
  padding-top: 24px;
}
.standard-number {
  font: 12px var(--mono);
  color: var(--red);
}
.standard h3 {
  font-size: 21px;
  line-height: 1.3;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-top: 17px;
}
.standard p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  margin-top: 12px;
}
.standard a {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
}
.footer {
  padding: 39px 0 28px;
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  font-size: 14px;
}
.footer-links a {
  text-decoration: none;
}
.footer-links a:hover {
  text-decoration: underline;
}
.footer-legal {
  border-block: 1px solid var(--line);
  padding-block: 22px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}
.footer-legal strong {
  display: block;
  color: var(--ink);
  font-weight: 600;
  margin-bottom: 5px;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  padding-top: 22px;
  font-size: 12px;
  color: var(--muted);
}
.footer-bottom span:last-child {
  font-family: var(--mono);
  letter-spacing: 0.035em;
}
@media (max-width: 1023px) {
  .hero {
    gap: 36px;
  }
  .product-card {
    padding: 26px;
  }
  .standards-grid {
    gap: 26px;
  }
  .nav {
    gap: 22px;
  }
}
@media (max-width: 759px) {
  .container {
    width: calc(100% - 36px);
  }
  .header-inner {
    min-height: 82px;
    gap: 16px;
  }
  .nav {
    gap: 17px;
  }
  .nav .nav-standards {
    display: none;
  }
  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-block: 36px 42px;
  }
  .hero-copy {
    padding: 0;
  }
  h1 {
    font-size: clamp(45px, 8vw, 64px);
    margin-top: 18px;
  }
  .hero-description {
    font-size: 17px;
    max-width: 520px;
    margin-top: 20px;
  }
  .hero-figure {
    max-width: 560px;
    width: 100%;
    justify-self: center;
  }
  .hero .button {
    margin-top: 23px;
  }
  .hero-note {
    margin-top: 18px;
  }
  .section-heading {
    display: block;
    margin-bottom: 26px;
  }
  .section-heading > p {
    max-width: none;
    margin-top: 16px;
  }
  .collection {
    padding-block: 42px 46px;
  }
  .product-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .product-card {
    padding: 26px;
  }
  .product-description {
    min-height: 0;
  }
  .standards {
    padding-block: 44px;
  }
  .standards-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .standard {
    padding-top: 20px;
  }
  .standard h3 {
    margin-top: 11px;
  }
  .standard p {
    margin-top: 9px;
  }
  .footer-top {
    align-items: start;
  }
  .footer-links {
    gap: 12px 20px;
  }
  .product-card-top {
    margin-bottom: 20px;
  }
}
@media (max-width: 379px) {
  .wordmark-text {
    font-size: 20px;
  }
  .brand-cross {
    width: 24px;
    height: 24px;
  }
  .nav {
    font-size: 13px;
  }
  .nav .icon {
    display: none;
  }
  .topbar {
    font-size: 12px;
    padding-inline: 10px;
  }
  .topbar span {
    margin-inline: 5px;
  }
  .product-card {
    padding: 21px;
  }
  .format-row {
    gap: 10px;
  }
  .format-row dt {
    font-size: 15px;
  }
  .format-row dd {
    font-size: 17px;
  }
  .label {
    font-size: 12px;
  }
  .hero-caption {
    font-size: 12px;
  }
  h1 {
    font-size: 43px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
  }
}
.home-section {
  padding-block: 76px;
}
.center-heading {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 42px;
}
.center-heading h2 {
  font-size: clamp(36px, 4.6vw, 60px);
  line-height: 1.12;
  letter-spacing: -0.045em;
  font-weight: 500;
}
.center-heading > p {
  font-size: 17px;
  color: var(--muted);
  margin-top: 20px;
  line-height: 1.7;
}
.trust-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin-top: 8px;
}
.trust-brand .brand-cross {
  width: 0.67em;
  height: 0.67em;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.trust-card {
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 36px 26px;
  min-width: 0;
  background: var(--paper);
}
.trust-icon {
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: #edf6f1;
  color: var(--mint-ink);
}
.trust-icon .icon {
  width: 28px;
  height: 28px;
  stroke-width: 1.7;
}
.trust-card h3 {
  font-size: 22px;
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: -0.025em;
}
.trust-card p {
  margin-top: 17px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}
.trust-card a {
  color: var(--mint-ink);
  font-size: 15px;
  display: inline-block;
  margin-top: 18px;
}
.trust-section {
  border-top: 1px solid var(--line);
}
.reviews-section {
  background: var(--glacier);
  border-block: 1px solid var(--line);
}
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.review-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 30px;
  min-width: 0;
}
.review-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.review-provider {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.015em;
}
.review-provider.google {
  color: #245bb0;
}
.review-provider.trustpilot {
  color: #006448;
}
.review-status {
  font-size: 12px;
  color: var(--muted);
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 3px;
}
.review-empty {
  padding-block: 27px 12px;
}
.review-empty p {
  font-size: 18px;
  line-height: 1.65;
}
.review-empty small {
  display: block;
  font-size: 14px;
  line-height: 1.75;
  margin-top: 12px;
  color: var(--muted);
}
.review-details {
  margin-top: 24px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.review-details > summary {
  padding: 23px 26px;
  font-size: 17px;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 13px;
}
.review-details > summary::before {
  content: '';
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 7px solid var(--mint-ink);
  transition: transform 0.18s;
}
.review-details[open] > summary::before {
  transform: rotate(90deg);
}
.review-details > p {
  padding: 0 26px 24px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}
.review-details > summary::-webkit-details-marker,
.home-faq-item > summary::-webkit-details-marker,
.home-faq-more > summary::-webkit-details-marker {
  display: none;
}
.home-faq-list {
  max-width: 930px;
  margin-inline: auto;
}
.home-faq-item {
  border-bottom: 1px solid var(--line);
}
.home-faq-item > summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  padding: 25px 0;
  cursor: pointer;
  font-size: 18px;
  line-height: 1.5;
  font-weight: 500;
}
.faq-mark {
  width: 16px;
  height: 16px;
  position: relative;
  flex: none;
}
.faq-mark::before,
.faq-mark::after {
  content: '';
  position: absolute;
  top: 7px;
  left: 0;
  width: 16px;
  height: 2px;
  background: currentColor;
}
.faq-mark::after {
  transform: rotate(90deg);
  transition: transform 0.18s;
}
.home-faq-item[open] > summary .faq-mark::after {
  transform: rotate(0);
}
.home-faq-answer {
  padding: 0 40px 25px 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}
.home-faq-answer p + p {
  margin-top: 12px;
}
.home-faq-answer a {
  color: var(--mint-ink);
}
.home-faq-more {
  margin-top: 32px;
}
.home-faq-more > summary {
  list-style: none;
  cursor: pointer;
  max-width: 520px;
  width: 100%;
  margin-inline: auto;
  justify-content: center;
  gap: 16px;
  font: 500 16px var(--font);
}
.home-faq-more .more-open {
  display: none;
}
.home-faq-more[open] .more-open {
  display: inline;
}
.home-faq-more[open] .more-closed {
  display: none;
}
.home-faq-more[open] > summary {
  margin-bottom: 20px;
}
.home-faq-more[open] > summary .faq-mark::after {
  transform: rotate(0);
}
summary:focus-visible {
  outline: 3px solid var(--indigo);
  outline-offset: 5px;
}
.home-faq-more > div {
  border-top: 1px solid var(--line);
}
@media (max-width: 959px) {
  .trust-grid {
    gap: 16px;
  }
  .trust-card {
    padding: 28px 20px;
  }
  .trust-card h3 {
    font-size: 20px;
  }
}
@media (max-width: 759px) {
  .home-section {
    padding-block: 48px;
  }
  .center-heading {
    margin-bottom: 30px;
  }
  .center-heading h2 {
    font-size: clamp(34px, 7vw, 46px);
  }
  .center-heading > p {
    font-size: 16px;
    margin-top: 16px;
  }
  .trust-grid,
  .reviews-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .trust-card {
    padding: 30px 24px;
  }
  .trust-icon {
    width: 62px;
    height: 62px;
    margin-bottom: 20px;
  }
  .trust-card h3 {
    font-size: 22px;
  }
  .trust-brand {
    gap: 10px;
  }
  .review-card {
    padding: 25px;
  }
  .review-details > summary {
    padding: 21px;
    font-size: 16px;
  }
  .review-details > p {
    padding: 0 21px 22px;
  }
  .home-faq-item > summary {
    font-size: 16px;
    gap: 20px;
    padding-block: 23px;
  }
  .home-faq-answer {
    padding-right: 20px;
  }
  .home-faq-more > summary {
    padding-inline: 16px;
  }
  .nav .nav-extra {
    display: none;
  }
}
.nav {
  flex-wrap: wrap;
}
.nav-research {
  font-weight: 600;
}
.nav a[aria-current='page'] {
  text-decoration: underline;
  text-decoration-color: var(--red);
  text-underline-offset: 7px;
}
@media (max-width: 759px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 8px;
    padding-block: 18px 10px;
  }
  .header-inner .nav {
    width: 100%;
    gap: 12px 24px;
    font-size: 14px;
  }
}