:root {
  --paper:#fff;
  --sky:#edf3fb;
  --ink:#172b4d;
  --muted:#52627a;
  --line:#d6e0ee;
  --blue:#175fc6;
  --yellow:#ffcd4b;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:var(--paper);
  font-synthesis:none;
  scroll-behavior:smooth;
  scroll-padding-top:30px;
}

* {
  box-sizing:border-box;
}

body {
  margin:0;
}

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

button {
  font:inherit;
}

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

svg {
  flex:none;
}

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

a:focus-visible,button:focus-visible,summary:focus-visible {
  outline:3px solid var(--blue);
  outline-offset:5px;
}

p {
  line-height:1.85;
  color:var(--muted);
  margin:0;
}

h1,h2,h3 {
  margin:0;
  font-weight:650;
}

h2 {
  font-size:clamp(28px,3.4vw,42px);
  letter-spacing:-1.6px;
  line-height:1.4;
}

h3 {
  font-size:21px;
  letter-spacing:-.4px;
  line-height:1.5;
}

.wrap {
  width:min(1160px,calc(100% - 80px));
  margin-inline:auto;
}

.skip-link {
  position:fixed;
  top:-70px;
  left:20px;
  background:white;
  padding:12px;
  z-index:10;
}

.skip-link:focus {
  top:12px;
}

.header {
  height:94px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.brand {
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:25px;
  font-weight:750;
  letter-spacing:-.8px;
}

.header nav {
  display:flex;
  align-items:center;
  gap:32px;
  font-size:14px;
  font-weight:550;
}

.header nav a:hover,.footer a:hover,.text-link:hover {
  color:var(--blue);
}

.nav-download {
  padding:11px 18px;
  border:1px solid var(--line);
  border-radius:8px;
}

.hero {
  padding-top:66px;
}

.hero-copy {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:50px;
  padding-bottom:58px;
}

h1 {
  font-size:clamp(44px,5.6vw,74px);
  line-height:1.23;
  letter-spacing:-3px;
  font-weight:720;
}

.hero-intro p {
  font-size:17px;
  margin-bottom:25px;
}

.button {
  display:inline-flex;
  gap:11px;
  align-items:center;
  justify-content:center;
  padding:15px 23px;
  font-size:15px;
  font-weight:650;
  border-radius:8px;
}

.button svg,.download-option svg {
  width:21px;
  height:21px;
}

.button-primary {
  background:var(--yellow);
  color:#26334a;
  box-shadow:0 2px 0 #dfa929;
}

.button-primary:hover {
  background:#ffd96e;
}

.availability {
  display:block;
  font-size:12px;
  color:var(--muted);
  margin-top:15px;
}

.app-preview {
  padding:20px;
  background:var(--sky);
  border:1px solid #dce6f4;
  border-radius:20px;
  box-shadow:0 24px 50px -35px #527093;
}

.app-preview img {
  border:1px solid #d5ddea;
  border-radius:10px;
  width:100%;
  box-shadow:0 8px 26px -10px #70839e44;
}

.shortcut-strip {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:32px 15px;
  font-size:13px;
  color:var(--muted);
  border-bottom:1px solid var(--line);
}

.shortcut-strip>span {
  display:flex;
  align-items:center;
  gap:7px;
  white-space:nowrap;
}

kbd {
  font-family:inherit;
  font-size:12px;
  font-weight:500;
  line-height:1.2;
  color:var(--ink);
  padding:7px 10px;
  background:#f7f9fc;
  border:1px solid #d5deeb;
  border-bottom-width:3px;
  border-radius:6px;
}

.features {
  padding-block:100px 96px;
}

.section-intro {
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:30px;
  margin-bottom:46px;
}

.section-intro>p {
  font-size:16px;
}

.feature-columns {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:54px;
}

.feature-columns svg {
  width:33px;
  height:33px;
  stroke:var(--blue);
  stroke-width:1.5;
  fill:none;
  margin-bottom:23px;
}

.feature-columns p,.detail-grid p {
  font-size:15px;
  margin-top:12px;
}

.showcase {
  background:var(--sky);
  padding-block:84px;
}

.gallery-controls {
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-bottom:24px;
}

.gallery-controls button {
  border:1px solid transparent;
  color:var(--muted);
  background:transparent;
  padding:12px 20px;
  border-radius:8px;
  cursor:pointer;
  font-size:14px;
}

.gallery-controls button[aria-pressed=true] {
  background:var(--paper);
  color:var(--ink);
  border-color:#d3dfed;
  box-shadow:0 2px 4px #172b4d08;
}

.gallery-controls button:hover {
  color:var(--blue);
}

.gallery {
  margin:0;
}

.gallery-image {
  background:#e3ebf7;
  border-radius:12px;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
  aspect-ratio:2752/1640;
  border:1px solid #d3deec;
}

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

.gallery-image.is-keyboard {
  background:#e3ebf7;
}

.gallery figcaption {
  display:flex;
  gap:28px;
  padding-top:23px;
  align-items:baseline;
}

.gallery figcaption strong {
  font-size:18px;
  white-space:nowrap;
}

.gallery figcaption span {
  font-size:14px;
  line-height:1.8;
  color:var(--muted);
}

.details-section {
  padding-block:100px;
}

.detail-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:38px 80px;
  margin-top:45px;
}

.detail-grid article {
  border-top:1px solid var(--line);
  padding-top:24px;
}

.detail-grid h3 {
  font-size:19px;
}

.download-section {
  background:var(--sky);
  padding:58px 80px;
  text-align:center;
  border-radius:20px;
}

.download-heading>img {
  margin:0 auto 18px;
}

.download-heading p {
  margin-top:18px;
  font-size:15px;
}

.download-options {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  max-width:720px;
  margin:32px auto 21px;
}

.download-option {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  background:white;
  border:1px solid #ccd9eb;
  border-radius:11px;
  padding:23px;
}

.download-option:hover {
  border-color:var(--blue);
  box-shadow:0 4px 15px #175fc612;
}

.download-option strong {
  display:block;
  font-size:19px;
}

.download-option small {
  display:block;
  color:var(--muted);
  font-size:12px;
  margin-top:8px;
}

.download-help {
  font-size:13px;
}

.signing-note {
  max-width:660px;
  font-size:12px;
  margin:18px auto;
  color:#566780;
}

.text-link {
  display:inline-block;
  font-size:13px;
  text-decoration:underline;
  text-underline-offset:4px;
}

.faq {
  padding-block:100px;
}

.faq h2 {
  margin-bottom:32px;
}

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

.faq summary {
  cursor:pointer;
  padding:24px 40px 24px 0;
  font-size:17px;
  font-weight:550;
  position:relative;
  list-style:none;
}

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

.faq summary:after {
  content:'+';
  position:absolute;
  right:6px;
  top:21px;
  font-weight:400;
  font-size:25px;
  color:var(--blue);
}

.faq details[open] summary:after {
  content:'−';
}

.faq details p {
  max-width:850px;
  font-size:15px;
  padding-bottom:24px;
}

.faq p a {
  color:var(--blue);
  text-decoration:underline;
  text-underline-offset:3px;
}

.footer {
  border-top:1px solid var(--line);
  padding-block:30px 38px;
  display:flex;
  align-items:center;
  gap:26px;
}

.footer .brand {
  font-size:20px;
}

.footer p {
  font-size:12px;
}

.footer>div {
  margin-left:auto;
  display:flex;
  gap:22px;
  font-size:12px;
}

@media(min-width:1500px) {
  .wrap {
    width:1220px;
  }
  .hero {
    padding-top:80px;
  }
}

@media(max-width:1000px) {
  .wrap {
    width:calc(100% - 48px);
  }
  .hero-copy {
    gap:30px;
  }
  h1 {
    font-size:54px;
  }
  .hero-intro p {
    font-size:15px;
  }
  .desktop-break {
    display:none;
  }
  .shortcut-strip {
    flex-wrap:wrap;
    justify-content:center;
    gap:20px 32px;
  }
  .feature-columns {
    gap:28px;
  }
  .download-section {
    padding:48px 35px;
  }
}

@media(max-width:700px) {
  .wrap {
    width:calc(100% - 36px);
  }
  .header {
    height:76px;
  }
  .brand {
    font-size:23px;
    gap:7px;
  }
  .header nav {
    gap:18px;
    font-size:13px;
  }
  .header nav>a:first-child,.header nav>a:nth-child(2) {
    display:none;
  }
  .nav-download {
    padding:9px 12px;
  }
  .hero {
    padding-top:38px;
  }
  .hero-copy {
    display:block;
    padding-bottom:32px;
  }
  h1 {
    font-size:48px;
    letter-spacing:-2px;
    line-height:1.26;
  }
  .hero-intro {
    margin-top:26px;
  }
  .hero-intro p {
    font-size:16px;
    max-width:430px;
  }
  .availability {
    font-size:11px;
  }
  .app-preview {
    padding:7px;
    border-radius:11px;
    margin-inline:-5px;
  }
  .app-preview img {
    border-radius:6px;
  }
  .shortcut-strip {
    padding:25px 0;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:20px 9px;
    font-size:11px;
  }
  .shortcut-strip>span {
    gap:4px;
  }
  kbd {
    font-size:10px;
    padding:6px;
  }
  .features,.details-section,.faq {
    padding-block:64px;
  }
  .section-intro {
    display:block;
    margin-bottom:30px;
  }
  .section-intro>p {
    font-size:14px;
    margin-top:18px;
  }
  .section-intro>p br {
    display:none;
  }
  .feature-columns {
    grid-template-columns:1fr;
    gap:30px;
  }
  .feature-columns article {
    position:relative;
    padding-left:51px;
  }
  .feature-columns svg {
    position:absolute;
    left:0;
    top:2px;
    width:29px;
  }
  .feature-columns h3 {
    font-size:19px;
  }
  .feature-columns p {
    margin-top:8px;
  }
  .showcase {
    padding-block:55px;
  }
  .gallery-controls {
    gap:6px;
    display:grid;
    grid-template-columns:1fr 1fr;
  }
  .gallery-controls button {
    padding:11px 9px;
    font-size:13px;
    border-color:#d3dfed;
  }
  .gallery figcaption {
    display:block;
    padding-top:18px;
  }
  .gallery figcaption strong {
    font-size:17px;
    display:block;
    margin-bottom:8px;
  }
  .gallery figcaption span {
    font-size:13px;
  }
  .detail-grid {
    grid-template-columns:1fr;
    gap:26px;
    margin-top:30px;
  }
  .download-section {
    padding:36px 22px;
  }
  .download-options {
    grid-template-columns:1fr;
    gap:12px;
  }
  .download-option {
    padding:20px;
  }
  .download-heading h2 {
    font-size:30px;
  }
  .download-help {
    text-align:left;
    font-size:12px;
  }
  .signing-note {
    text-align:left;
    font-size:12px;
  }
  .faq h2 {
    font-size:27px;
  }
  .faq summary {
    font-size:15px;
    padding-block:21px;
  }
  .faq details p {
    font-size:14px;
  }
  .footer {
    flex-wrap:wrap;
    gap:15px;
  }
  .footer p {
    font-size:11px;
  }
  .footer>div {
    margin-left:0;
    width:100%;
    gap:24px;
  }
}

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