:root {
  color-scheme: light;
  --paper: #f8f9fb;
  --ink: #020b04;
  --muted: #535b69;
  --line: #d8dde5;
  --cobalt: #0055ff;
  --night: #2a2f76;
  --mist: #d1deff;
  --display: Signifier, Georgia, serif;
  --sans: Aeonik, "Helvetica Neue", Arial, sans-serif;
  --mono: "Aeonik Fono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  font: 16px/1.55 var(--sans);
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

*, *::before, *::after { box-sizing: border-box; }
body, figure, h1, h2, h3, p, ol { margin: 0; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid currentColor; outline-offset: 5px; }
img { display: block; max-width: 100%; }
h1, h2, h3 { font-family: var(--display); font-weight: 400; letter-spacing: -.05em; line-height: 1.02; }
h2 { font-size: clamp(43px, 5.5vw, 86px); }
em { font-weight: inherit; }
.wrap { width: min(100% - clamp(40px, 10vw, 144px), 1320px); margin-inline: auto; }
.label { font: 500 11px/1.5 var(--mono); letter-spacing: .09em; text-transform: uppercase; }
.symbols { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.5; flex: none; }

.skip-link { position: absolute; z-index: 2; top: 8px; left: 8px; padding: 8px 14px; background: white; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.header-inner, .footer-inner, .header-inner nav, .index-line { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.site-header { background: var(--paper); }
.header-inner { min-height: 72px; }
.header-inner nav { gap: clamp(18px, 3.4vw, 54px); }
.wordmark { width: 105px; height: auto; }
.nav-method, .header-action, .footer-link { font-size: 14px; }
.header-action, .footer-link { display: inline-flex; align-items: center; gap: 7px; font-weight: 600; }
.header-action { min-height: 44px; padding-inline: 13px; border: 1px solid var(--line); }
.header-action:hover { background: #e9efff; }
.nav-method:hover, .footer-link:hover { text-decoration: underline; text-underline-offset: 4px; }

.hero { background: var(--cobalt); color: #fff; }
.index-line { border-bottom: 1px solid var(--line); min-height: 56px; }
.hero .index-line, .method .index-line { border-color: #fff5; }
.hero-top > span:first-child, .hero-bottom a { display: inline-flex; gap: 10px; align-items: center; }
.marker { width: 7px; height: 7px; background: var(--mist); }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; padding-block: clamp(36px, 5.2vw, 84px); }
.hero h1 { font-size: clamp(68px, 8.25vw, 132px); line-height: .93; letter-spacing: -.065em; }
.hero-copy p { margin-top: 26px; max-width: 34ch; color: #f4f7ff; font-size: clamp(16px, 1.55vw, 21px); }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 26px; min-height: 52px; padding: 11px 17px; font-size: 15px; font-weight: 600; }
.hero-copy .button { margin-top: 26px; }
.button-light { background: white; color: var(--ink); }
.button-light:hover { background: var(--mist); }
.button-light:focus-visible { outline-color: white; }
.button-cobalt { background: var(--cobalt); color: white; }
.button-cobalt:hover { background: #0043cd; }
.button-cobalt:focus-visible { outline-color: var(--cobalt); }
.hero-figure { min-width: 0; }
.hero-figure img { width: 100%; height: auto; }
.hero-figure figcaption { display: flex; justify-content: space-between; gap: 12px; margin-top: 14px; color: #f4f7ff; }
.hero-bottom.index-line { border-top: 1px solid #fff5; border-bottom: 0; }
.hero-bottom a { min-height: 44px; }
.hero-bottom a:hover { text-decoration: underline; text-underline-offset: 4px; }

.intro .index-line { color: var(--muted); }
.intro-grid { display: grid; grid-template-columns: 1.15fr 1fr; align-items: center; gap: clamp(32px, 7vw, 110px); padding-block: clamp(46px, 8vw, 116px); }
.intro-copy em { color: #0047d7; }
.intro-copy > p { max-width: 43ch; margin-top: 24px; font-size: 18px; color: var(--muted); }
.recording { background: white; border: 1px solid var(--line); box-shadow: 9px 9px 0 #e9efff; }
.recording-top { display: flex; justify-content: space-between; gap: 8px; border-bottom: 1px solid var(--line); padding: 13px 20px; color: var(--muted); }
.recording-body { padding: clamp(18px, 3vw, 32px); }
.recording-title { display: flex; align-items: center; gap: 14px; }
.recording-title h3 { font-size: clamp(24px, 3vw, 36px); }
.recording-icon { display: grid; place-items: center; flex: none; width: 44px; height: 44px; background: #e9efff; color: #0047d7; }
.recording-wave { margin-block: 18px; color: #3268d8; }
.recording-wave svg { display: block; width: 100%; height: 38px; fill: none; stroke: currentColor; stroke-width: 2; }
.sample-text { border-top: 1px solid var(--line); padding-top: 16px; }
.sample-text .label { color: var(--muted); margin-bottom: 5px; }

.method { background: var(--night); color: white; padding-bottom: clamp(48px, 7.3vw, 106px); scroll-margin-top: 8px; }
.method h2 { margin-block: clamp(34px, 5vw, 72px); }
.method h2 em, .method .label { color: var(--mist); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); padding: 0; list-style: none; }
.steps li { padding: 24px 28px 0; border-top: 1px solid #fff5; }
.steps li:first-child { padding-left: 0; }
.steps li + li { border-left: 1px solid #fff5; }
.steps h3 { font-size: clamp(33px, 4vw, 56px); margin: 14px 0 8px; }
.steps p { max-width: 31ch; color: #edf0ff; }

.closing-inner { display: flex; align-items: flex-end; justify-content: space-between; gap: 22px; padding-block: clamp(46px, 7vw, 106px); }
.closing .label { margin-bottom: 14px; color: var(--muted); }
.closing .button { flex: none; }
.site-footer { border-top: 1px solid var(--line); }
.footer-inner { min-height: 82px; }
.footer-inner .label { color: var(--muted); }

@media (max-width: 950px) {
  .hero h1 { font-size: clamp(57px, 8.4vw, 90px); }
}
@media (max-width: 720px) {
  .header-inner { min-height: 64px; }
  .nav-method, .hero-tag, .index-detail { display: none; }
  .hero-grid, .intro-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 30px; padding-block: 28px 24px; }
  .hero-figure { grid-row: 1; width: min(100%, 435px); margin-inline: auto; }
  .hero-figure figcaption { margin-top: 8px; }
  .hero h1 { font-size: clamp(55px, 12vw, 85px); }
  .hero-copy p { margin-top: 18px; }
  .hero-copy .button { margin-top: 20px; }
  .intro-copy > p { margin-top: 16px; }
  .steps { grid-template-columns: 1fr; }
  .steps li, .steps li + li { border-left: 0; padding: 17px 0 23px; }
  .steps li:last-child { padding-bottom: 0; }
  .steps h3 { margin-top: 6px; }
  .closing-inner { align-items: flex-start; flex-direction: column; }
  .footer-inner .label { display: none; }
}

@media (forced-colors: active) {
  .button { border: 1px solid currentColor; }
}