:root {
  --cream: #faf7f0; --ink: #171921; --muted: #5c5b59; --blue: #1954ff; --line: #ddd8cf;
  --serif: Georgia, "Iowan Old Style", "Palatino Linotype", serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; color: var(--ink); background: var(--cream); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.5; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; letter-spacing: -.04em; }
.shell { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: absolute; top: -100px; left: 16px; z-index: 10; padding: 12px 18px; background: white; color: var(--blue); }
.skip-link:focus { top: 12px; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 88px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; gap: 7px; align-items: center; font-family: var(--serif); font-size: 26px; font-weight: 700; letter-spacing: -.06em; }
.brand span { color: var(--blue); font-size: 26px; }
.site-header .brand span {
  transform-origin: center;
  animation: claire-sparkle-in 720ms cubic-bezier(.22, 1, .36, 1) 160ms 1 backwards;
  transition: transform 220ms cubic-bezier(.22, 1, .36, 1);
}
@keyframes claire-sparkle-in {
  0% { opacity: .65; transform: rotate(-25deg) scale(.78); }
  60% { opacity: 1; transform: rotate(8deg) scale(1.13); }
  100% { opacity: 1; transform: rotate(0) scale(1); }
}
@media (hover: hover) and (pointer: fine) {
  .site-header .brand:hover span { transform: rotate(12deg) scale(1.08); }
}
.site-header nav { display: flex; gap: 30px; font-size: 14px; }
nav a { display: inline-flex; align-items: center; min-height: 44px; }
nav a:hover, .quiet-link:hover { color: var(--blue); text-decoration: underline; text-underline-offset: 5px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 20px; padding: 14px 24px; border-radius: 999px; background: var(--blue); color: white; font-size: 15px; font-weight: 650; text-align: center; transition: background .16s ease, transform .16s ease; }
.button:hover { background: #123fc6; transform: translateY(-1px); }
.button span { font-size: 20px; line-height: 1; }
.button-small { min-height: 44px; padding: 10px 18px; font-size: 13px; gap: 13px; }
.hero { display: grid; grid-template-columns: 1.03fr 1fr; gap: 30px; align-items: center; padding-block: 72px 80px; }
.hero-copy { position: relative; z-index: 1; }
.eyebrow { margin-bottom: 20px; color: var(--blue); font-size: 11px; font-weight: 750; letter-spacing: .13em; line-height: 1.5; }
h1 { font-size: clamp(52px, 5.4vw, 76px); line-height: 1.02; }
h1 em { color: var(--blue); font-style: normal; }
.lede { max-width: 460px; margin-top: 24px; color: var(--muted); font-size: 18px; line-height: 1.65; }
.button-download { margin-top: 28px; }
.download-note { margin-top: 11px; color: var(--muted); font-size: 12px; }
.quiet-link { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; margin-top: 19px; color: var(--ink); font-size: 13px; }
.hero-visual { position: relative; min-width: 0; height: 610px; isolation: isolate; }
.hero-orbit { position: absolute; inset: 70px 0 40px; z-index: -1; border-radius: 50%; background: #e9edff; }
.visual-note { position: absolute; top: 3px; right: 16px; color: #505b86; font-family: var(--serif); font-size: 19px; font-style: italic; }
.app-preview { position: absolute; top: 20px; right: 0; width: 460px; max-width: 100%; }
.app-device { width: 100%; height: auto; filter: drop-shadow(0 22px 22px #282e5926); }
.app-preview figcaption { margin-top: 0; color: #62616a; font-size: 10px; text-align: center; }
.hero-claire { position: absolute; bottom: 35px; left: 0; width: 150px; height: auto; filter: drop-shadow(0 8px 8px #282e5910); }
.section { margin-top: 84px; }
.section-heading { margin-bottom: 35px; }
.section-heading .eyebrow { margin-bottom: 12px; }
h2 { font-size: clamp(36px, 4vw, 52px); line-height: 1.08; }
h3 { font-size: 27px; line-height: 1.15; }
.benefits { margin-top: 0; border-top: 1px solid var(--line); padding-top: 45px; }
.benefit-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 38px; }
.detail-label { display: block; margin-bottom: 16px; color: var(--blue); font-size: 10px; font-weight: 750; letter-spacing: .13em; }
.benefit-grid p { max-width: 330px; margin-top: 13px; color: var(--muted); font-size: 15px; line-height: 1.65; }
.how-section { background: #efeee7; }
.how-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 72px; padding-block: 60px; }
.how-intro { position: relative; }
.how-intro > p:not(.eyebrow) { max-width: 280px; margin-top: 18px; color: var(--muted); font-size: 15px; }
.how-intro img { width: 98px; height: auto; margin-top: 20px; }
.steps { list-style: none; padding: 0; margin: 0; }
.steps li { display: flex; gap: 20px; padding-block: 25px; border-bottom: 1px solid #d5d4cc; }
.steps li:first-child { padding-top: 0; }
.steps li:last-child { border-bottom: 0; padding-bottom: 0; }
.step-number { display: grid; place-items: center; flex: 0 0 35px; height: 35px; border: 1px solid #afbce9; border-radius: 50%; color: var(--blue); font-size: 13px; }
.steps p { max-width: 390px; margin-top: 10px; color: var(--muted); font-size: 15px; line-height: 1.65; }
.questions { display: grid; grid-template-columns: .85fr 1.15fr; gap: 72px; }
.questions .section-heading { max-width: 340px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 62px; padding: 15px 0; cursor: pointer; list-style: none; font-size: 15px; font-weight: 600; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--blue); font-size: 24px; font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { padding-bottom: 20px; padding-right: 35px; color: var(--muted); font-size: 14px; line-height: 1.65; }
.download-section { background: var(--blue); color: white; }
.download-inner { padding-block: 56px 64px; text-align: center; }
.download-spark { display: block; margin-bottom: 13px; font-size: 40px; line-height: 1; }
.download-section .eyebrow { margin-bottom: 14px; color: #e6ecff; }
.download-section h2 { font-size: clamp(40px, 4.8vw, 62px); }
.button-light { margin-top: 28px; color: #1648da; background: var(--cream); }
.button-light:hover { color: #123fc6; background: white; }
.download-section .download-note { color: #e6ecff; }
.download-section :focus-visible { outline-color: white; }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-block: 34px; }
.site-footer p { margin-top: 6px; color: var(--muted); font-size: 12px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 24px; color: var(--muted); font-size: 12px; }
.credits-page { max-width: 720px; padding-block: 64px 80px; }
.credits-page h1 { font-size: clamp(40px, 6vw, 60px); }
.credits-page h2 { margin-top: 36px; font-size: 28px; }
.credits-page p { margin-top: 16px; color: var(--muted); }
.credits-page a { color: #1648da; text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 1000px) {
  .hero { gap: 22px; padding-block: 54px 64px; }
  h1 { font-size: clamp(48px, 6.3vw, 64px); }
  .hero-visual { height: 530px; }
  .app-preview { top: 35px; width: 390px; }
  .hero-claire { width: 100px; left: -6px; }
  .visual-note { font-size: 17px; right: 0; }
  .how-inner, .questions { gap: 40px; }
}
@media (max-width: 760px) {
  .shell { width: calc(100% - 40px); }
  .site-header { min-height: 72px; gap: 16px; }
  .site-header nav { display: none; }
  .brand { font-size: 25px; }
  .hero { grid-template-columns: 1fr; gap: 25px; padding-block: 42px 45px; }
  .hero-copy { max-width: 560px; }
  h1 { font-size: clamp(46px, 9.8vw, 68px); }
  .eyebrow { font-size: 10px; margin-bottom: 16px; }
  .lede { margin-top: 19px; font-size: 17px; }
  .button-download { margin-top: 24px; }
  .quiet-link { margin-top: 9px; }
  .hero-visual { width: min(100%, 450px); height: 500px; margin-inline: auto; }
  .app-preview { width: 380px; top: 20px; right: 0; }
  .visual-note { top: 0; font-size: 16px; right: 12px; }
  .hero-claire { width: 22%; left: 0; bottom: 25px; }
  .hero-orbit { inset: 45px 0 30px; }
  .section { margin-top: 56px; }
  .benefits { margin-top: 0; padding-top: 32px; }
  .section-heading { margin-bottom: 27px; }
  h2 { font-size: 36px; }
  h3 { font-size: 25px; }
  .benefit-grid { grid-template-columns: 1fr; gap: 27px; }
  .detail-label { margin-bottom: 9px; }
  .benefit-grid p { max-width: 560px; margin-top: 9px; font-size: 15px; }
  .how-inner { grid-template-columns: 1fr; gap: 30px; padding-block: 38px; }
  .how-intro { padding-right: 83px; }
  .how-intro img { position: absolute; width: 75px; bottom: 0; right: 0; margin: 0; }
  .how-intro > p:not(.eyebrow) { margin-top: 13px; }
  .steps li { gap: 15px; padding-block: 23px; }
  .questions { grid-template-columns: 1fr; gap: 0; }
  .questions .section-heading { max-width: none; }
  summary { font-size: 14px; }
  .download-inner { padding-block: 38px 44px; }
  .download-section h2 { font-size: 41px; }
  .site-footer { flex-direction: column; align-items: flex-start; gap: 20px; padding-block: 28px; }
}
@media (max-width: 380px) {
  .shell { width: calc(100% - 32px); }
  .site-header { gap: 10px; }
  .brand { font-size: 22px; }
  .button-small { gap: 8px; padding-inline: 13px; font-size: 12px; white-space: nowrap; }
  .hero-visual { height: 435px; }
  .app-preview { top: 28px; }
  .visual-note { font-size: 15px; right: 0; }
  .button-download { width: 100%; padding-inline: 15px; }
  h1 { font-size: 43px; }
  .how-intro { padding-right: 63px; }
  .how-intro h2 { font-size: 33px; }
  .how-intro img { width: 60px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
  .button:hover { transform: none; }
  .site-header .brand span { animation: none; transition: none; }
  .site-header .brand:hover span { transform: none; }
}