:root {
  color-scheme: light dark;
  --bg: #fafbf9;
  --surface: #f0f4f1;
  --ink: #14283f;
  --muted: #52616a;
  --line: #d7dfdc;
  --accent: #1c7166;
  --mint: #57dfbc;
  --button-ink: #fff;
  --header: rgba(250, 251, 249, 0.96);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
  line-height: 1.7;
}
a {
  color: inherit;
  text-decoration: none;
}
a,
button,
summary {
  -webkit-tap-highlight-color: transparent;
}
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
figure,
p,
h1,
h2,
h3 {
  margin: 0;
}
h1,
h2,
h3 {
  line-height: 1.25;
  letter-spacing: -0.035em;
}
h2 {
  font-size: clamp(30px, 3.2vw, 44px);
  font-weight: 650;
}
h3 {
  font-size: 19px;
  font-weight: 600;
}
p {
  color: var(--muted);
}
.shell {
  width: min(1240px, calc(100% - 96px));
  margin-inline: auto;
}
.site-header {
  background: var(--header);
  border-bottom: 1px solid var(--line);
}
.nav {
  height: 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  line-height: 1.2;
  flex-shrink: 0;
}
.brand span {
  font-size: 23px;
  font-weight: 650;
  letter-spacing: 0.08em;
}
.brand small {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  letter-spacing: 0.08em;
  font-weight: 400;
  color: var(--muted);
}
nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
  font-weight: 550;
}
nav a:not(.button):hover,
.text-link:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 5px;
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  min-height: 50px;
  padding: 12px 22px;
  background: var(--accent);
  color: var(--button-ink);
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  white-space: nowrap;
  transition:
    background 0.15s,
    transform 0.15s;
}
.button:hover {
  background: #185e55;
  transform: translateY(-1px);
}
.button.small {
  min-height: 40px;
  padding: 10px 16px;
  font-size: 14px;
}
.eyebrow {
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.09em;
  font-weight: 600;
  margin-bottom: 22px;
}
.hero {
  display: grid;
  grid-template-columns: 1fr 1.04fr;
  gap: 44px;
  align-items: center;
  padding-block: 66px 52px;
}
.hero h1 {
  font-size: clamp(34px, 3.4vw, 48px);
  font-weight: 650;
  line-height: 1.3;
}
.intro {
  margin-top: 25px;
  font-size: 17px;
  line-height: 1.85;
}
.actions {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-top: 34px;
  flex-wrap: wrap;
}
.text-link {
  font-size: 14px;
  font-weight: 550;
}
.hero-photo {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  background: var(--surface);
}
.hero-photo img {
  aspect-ratio: 1.14;
  object-fit: cover;
  object-position: 65% center;
}
.hero-photo figcaption {
  position: absolute;
  bottom: 18px;
  left: 20px;
  right: 20px;
  color: #fff;
  background: #14283fe8;
  padding: 10px 15px;
  font-size: 13px;
  border-radius: 12px;
  max-width: max-content;
}
.platforms {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
  padding-block: 25px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
.platforms ul {
  list-style: none;
  display: flex;
  gap: 26px;
  padding: 0;
  margin: 0;
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
}
.platforms small {
  margin-left: auto;
  font-size: 11px;
}
.section {
  padding-block: 104px;
  scroll-margin-top: 20px;
}
.section-heading {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 60px;
  align-items: end;
  margin-bottom: 36px;
}
.section-heading .eyebrow {
  grid-column: 1 / -1;
}
.section-heading > p:last-child {
  padding-bottom: 5px;
  font-size: 16px;
  line-height: 1.9;
}
.product-shot img {
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 14px 44px #14283f09;
  background: var(--surface);
}
figcaption {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
}
.product-shot figcaption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 14px;
}
.feature-notes {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 38px;
}
.feature-notes li {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.feature-notes p {
  font-size: 14px;
  margin-top: 12px;
  max-width: 29em;
}
.accounts-section {
  background: var(--surface);
}
.accounts-layout {
  display: grid;
  grid-template-columns: 0.77fr 1.23fr;
  align-items: center;
  gap: 64px;
}
.accounts-copy > p:not(.eyebrow) {
  margin-top: 24px;
  line-height: 1.9;
}
.accounts-copy dl {
  margin: 30px 0 0;
}
.accounts-copy dl div {
  margin-top: 20px;
}
.accounts-copy dt {
  font-size: 15px;
  font-weight: 600;
}
.accounts-copy dd {
  font-size: 14px;
  color: var(--muted);
  margin: 5px 0 0;
}
.account-shot img {
  border-radius: 20px;
  border: 1px solid var(--line);
  background: var(--bg);
}
.account-shot figcaption {
  margin-top: 12px;
}
.start-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  border-bottom: 1px solid var(--line);
}
.start-section > div > p:not(.eyebrow) {
  margin-top: 24px;
  line-height: 1.9;
}
.start-section .button {
  margin-top: 30px;
}
.steps {
  list-style: none;
  padding: 0;
  margin: 0;
}
.steps li {
  display: flex;
  gap: 25px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.steps li:first-child {
  padding-top: 0;
}
.steps li:last-child {
  border: 0;
  padding-bottom: 0;
}
.step-number {
  font-family: ui-monospace, monospace;
  font-size: 16px;
  color: var(--accent);
  padding-top: 2px;
}
.steps p {
  margin-top: 10px;
  font-size: 15px;
}
.faq-section {
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 80px;
}
.faq-list details {
  border-bottom: 1px solid var(--line);
}
.faq-list details:first-child {
  border-top: 1px solid var(--line);
}
.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 23px 32px 23px 0;
  position: relative;
  font-weight: 550;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary:after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 20px;
  font-size: 23px;
  font-weight: 400;
  color: var(--accent);
}
.faq-list details[open] summary:after {
  content: "−";
}
.faq-list details p {
  font-size: 14px;
  padding: 0 32px 24px 0;
  line-height: 1.9;
}
.closing {
  background: var(--ink);
  color: var(--bg);
  padding-block: 58px;
}
.closing-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.closing h2 {
  font-size: 32px;
}
.closing p {
  color: #d2dedf;
  margin-top: 12px;
  font-size: 15px;
}
.closing .button {
  background: var(--mint);
  color: #14283f;
}
.closing .button:hover {
  background: #7ae8cc;
}
.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  padding-block: 34px;
}
.footer p {
  font-size: 12px;
}
.footer nav {
  font-size: 13px;
  gap: 24px;
}
.skip-link {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 10;
  padding: 10px 18px;
  background: var(--bg);
  transform: translateY(-180%);
  border: 1px solid var(--accent);
  border-radius: 8px;
}
.skip-link:focus {
  transform: none;
}
@media (min-width: 1600px) {
  .hero {
    padding-block: 80px 65px;
  }
  .hero h1 {
    font-size: 50px;
  }
}
@media (max-width: 1100px) {
  .shell {
    width: calc(100% - 64px);
  }
  nav {
    gap: 20px;
  }
  .hero {
    gap: 30px;
  }
  .hero h1 {
    font-size: 38px;
  }
  .intro {
    font-size: 16px;
  }
  .actions {
    gap: 16px;
  }
  .platforms small {
    margin-left: 0;
    width: 100%;
  }
  .accounts-layout {
    gap: 36px;
  }
  .start-section {
    gap: 60px;
  }
  .section {
    padding-block: 80px;
  }
  .faq-section {
    gap: 40px;
  }
}
@media (max-width: 760px) {
  .shell {
    width: calc(100% - 40px);
  }
  .nav {
    height: 72px;
    gap: 14px;
  }
  .brand span {
    font-size: 21px;
  }
  .brand img {
    width: 32px;
    height: 32px;
  }
  .nav nav {
    gap: 16px;
    font-size: 13px;
  }
  .desktop-link {
    display: none;
  }
  .nav .button {
    padding: 10px 12px;
    font-size: 13px;
  }
  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-block: 44px 34px;
  }
  .hero h1 {
    font-size: clamp(32px, 6.6vw, 43px);
    line-height: 1.3;
  }
  .eyebrow {
    font-size: 12px;
    margin-bottom: 18px;
    letter-spacing: 0.035em;
  }
  .intro {
    font-size: 15px;
    margin-top: 20px;
  }
  .actions {
    margin-top: 26px;
    gap: 20px;
  }
  .hero-photo img {
    aspect-ratio: 1.7;
    object-position: center 65%;
  }
  .hero-photo figcaption {
    bottom: 14px;
    left: 14px;
    font-size: 11px;
    padding: 8px 12px;
  }
  .platforms {
    padding-block: 22px;
    gap: 12px;
  }
  .platforms > span {
    font-size: 12px;
    width: 100%;
  }
  .platforms ul {
    gap: 22px;
    font-size: 15px;
  }
  .platforms small {
    font-size: 11px;
  }
  .section {
    padding-block: 60px;
  }
  h2 {
    font-size: 30px;
  }
  .section-heading {
    grid-template-columns: 1fr;
    gap: 22px;
    margin-bottom: 28px;
  }
  .section-heading .eyebrow {
    margin-bottom: 0;
  }
  .section-heading > p:last-child {
    font-size: 14px;
  }
  .product-shot img,
  .account-shot img {
    border-radius: 12px;
  }
  .product-shot figcaption {
    display: block;
    font-size: 11px;
  }
  .product-shot figcaption span {
    display: block;
    margin-top: 4px;
  }
  .feature-notes {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 30px;
  }
  .feature-notes li {
    padding-top: 18px;
  }
  .feature-notes p {
    max-width: none;
    margin-top: 9px;
  }
  .accounts-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .accounts-copy > p:not(.eyebrow) {
    font-size: 14px;
    margin-top: 20px;
  }
  .accounts-copy dl {
    margin-top: 24px;
  }
  .account-shot figcaption {
    font-size: 11px;
  }
  .start-section {
    grid-template-columns: 1fr;
    gap: 38px;
  }
  .start-section > div > p:not(.eyebrow) {
    font-size: 14px;
  }
  .steps li {
    padding-block: 22px;
  }
  .steps p {
    font-size: 14px;
  }
  .faq-section {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .faq-list summary {
    font-size: 15px;
    padding-block: 20px;
  }
  .closing {
    padding-block: 40px;
  }
  .closing-inner {
    display: block;
  }
  .closing h2 {
    font-size: 28px;
  }
  .closing .button {
    margin-top: 24px;
  }
  .footer {
    flex-wrap: wrap;
    gap: 24px;
    padding-block: 30px;
  }
  .footer p {
    margin-left: auto;
  }
  .footer nav {
    width: 100%;
    justify-content: flex-start;
    gap: 24px;
  }
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101c26;
    --surface: #172733;
    --ink: #edf5f3;
    --muted: #acbdbf;
    --line: #344652;
    --accent: #72dec2;
    --button-ink: #102923;
    --header: #101c26;
  }
  .button:hover {
    background: #93e9d2;
  }
  .brand img {
    background: #fff;
    border-radius: 8px;
  }
  .closing {
    background: #203540;
    color: #edf5f3;
  }
  .product-shot img {
    box-shadow: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .button {
    transition: none;
  }
  .button:hover {
    transform: none;
  }
}