:root {
  color-scheme: light;
  --ink: #21372b;
  --ink-soft: #56685d;
  --paper: #f7f9f6;
  --white: #ffffff;
  --sage: #436b51;
  --sage-dark: #31543e;
  --sage-wash: #edf3ee;
  --line: #dce5dc;
  font-family: "Segoe UI Variable", "Segoe UI", system-ui, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 30px; }
body { margin: 0; min-width: 320px; color: var(--ink); background: var(--paper); }
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--sage); outline-offset: 5px; border-radius: 3px; }
svg { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
h1, h2, h3, p { margin-top: 0; }
.section-wrap { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 20; top: 12px; left: 12px; padding: 12px 16px; color: var(--white); background: var(--sage-dark); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 84px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; }
.brand img { display: block; flex: 0 0 auto; }
.brand span { font-size: 20px; font-weight: 750; letter-spacing: -.7px; }
.site-header nav { display: flex; align-items: center; gap: 28px; font-size: 13px; font-weight: 550; }
.site-header nav a { color: var(--ink-soft); text-decoration: none; transition: color .18s ease; }
.site-header nav a:hover { color: var(--sage-dark); }
.site-header nav .nav-github { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 38px; padding: 0 14px; color: var(--ink); border: 1px solid var(--line); border-radius: 6px; background: var(--white); }
.hero { padding: 49px 0 0; background: var(--paper); }
.hero-copy { width: min(780px, calc(100% - 48px)); margin: 0 auto; text-align: center; }
.eyebrow { margin-bottom: 15px; color: var(--sage); font-size: 11px; font-weight: 650; letter-spacing: 1.45px; line-height: 1.5; text-transform: uppercase; }
.hero h1 { margin-bottom: 12px; font-size: clamp(64px, 7vw, 88px); font-weight: 750; letter-spacing: -4.7px; line-height: 1.04; }
.hero-tagline { margin-bottom: 17px; font-size: clamp(27px, 3.4vw, 40px); font-weight: 550; letter-spacing: -1.4px; line-height: 1.16; }
.hero-description { max-width: 570px; margin: 0 auto 25px; color: var(--ink-soft); font-size: 16px; line-height: 1.65; }
.hero-actions { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 12px; width: 100%; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 49px; padding: 13px 20px; border: 1px solid transparent; border-radius: 7px; font-size: 13px; font-weight: 650; line-height: 1.4; text-align: center; text-decoration: none; transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease; }
.button svg { width: 18px; height: 18px; flex: 0 0 18px; }
.button-primary { color: var(--white); background: var(--sage); border-color: var(--sage); box-shadow: 0 2px 3px rgba(34,58,42,.08); }
.button-primary:hover { background: var(--sage-dark); border-color: var(--sage-dark); transform: translateY(-2px); box-shadow: 0 5px 10px rgba(34,58,42,.12); }
.button-secondary { color: var(--ink); background: var(--white); border-color: #cdd9cf; }
.button-secondary:hover { background: var(--sage-wash); border-color: #a4b8a8; transform: translateY(-2px); }
.hero-note { margin: 17px 0 0; color: var(--ink-soft); font-size: 11px; line-height: 1.6; }
.hero-note > span { margin: 0 9px; color: #9cac9e; }
.app-preview { margin-top: 40px; animation: preview-enter .7s ease-out both; }
.app-preview > a { display: block; overflow: hidden; border: 1px solid #d1dbd0; border-radius: 10px; box-shadow: 0 16px 45px rgba(39,66,46,.1); }
.app-preview img { display: block; width: 100%; height: auto; }
.app-preview figcaption { display: flex; justify-content: space-between; gap: 12px 24px; padding-top: 14px; color: var(--ink-soft); font-size: 11px; line-height: 1.6; }
.features { padding-top: 92px; padding-bottom: 78px; }
.section-heading { max-width: 680px; margin-bottom: 37px; }
h2 { margin-bottom: 16px; font-size: clamp(29px, 3vw, 39px); font-weight: 650; letter-spacing: -1.3px; line-height: 1.16; }
.section-heading > p:last-child { max-width: 570px; margin-bottom: 0; color: var(--ink-soft); font-size: 15px; line-height: 1.75; }
.feature-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature { padding: 30px 30px 29px 0; }
.feature + .feature { padding-left: 30px; border-left: 1px solid var(--line); }
.feature-icon { display: block; width: 24px; height: 24px; margin-bottom: 21px; color: var(--sage); }
.feature h3, .steps h3 { margin-bottom: 10px; font-size: 18px; font-weight: 650; letter-spacing: -.4px; line-height: 1.35; }
.feature p, .steps p { margin: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.8; }
.feature-note { margin: 17px 0 0; color: var(--ink-soft); font-size: 11px; line-height: 1.6; }
.viewer-options { padding-top: 4px; padding-bottom: 86px; }
.viewer-options-heading { max-width: 690px; margin-bottom: 34px; }
.viewer-options-heading > p:last-child { max-width: 580px; margin-bottom: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.75; }
.viewer-option-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-block: 1px solid var(--line); }
.viewer-option { padding: 27px 32px 28px 0; }
.viewer-option + .viewer-option { padding-left: 32px; border-left: 1px solid var(--line); }
.viewer-option-kicker { display: flex; align-items: center; gap: 12px; margin-bottom: 17px; color: var(--sage); font: 10px "Cascadia Code", Consolas, monospace; letter-spacing: .7px; }
.viewer-option-kicker span { color: var(--ink-soft); font: 10px "Segoe UI Variable", "Segoe UI", system-ui, sans-serif; letter-spacing: .35px; text-transform: uppercase; }
.viewer-option h3 { margin-bottom: 10px; font-size: 22px; font-weight: 650; letter-spacing: -.6px; }
.viewer-option > p:not(.viewer-option-kicker) { max-width: 500px; margin-bottom: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.8; }
.viewer-option .text-link { margin-top: 17px; }
.viewer-options-note { display: grid; grid-template-columns: 178px minmax(0, 1fr); gap: 5px 18px; padding-top: 18px; }
.viewer-options-note > span { grid-row: 1 / span 2; padding-top: 2px; color: var(--sage); font: 9px "Cascadia Code", Consolas, monospace; letter-spacing: .8px; }
.viewer-options-note p { margin: 0; color: var(--ink-soft); font-size: 11px; line-height: 1.65; }
.viewer-options-note p:first-of-type { color: var(--ink); font-weight: 600; }
.getting-started { padding: 76px 0; background: var(--sage-wash); border-block: 1px solid var(--line); }
.getting-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1fr); gap: clamp(46px, 9vw, 130px); }
.getting-heading h2 { max-width: 370px; }
.getting-heading > p:not(.eyebrow) { max-width: 370px; margin-bottom: 22px; color: var(--ink-soft); font-size: 14px; line-height: 1.8; }
.text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--sage-dark); font-size: 13px; font-weight: 600; line-height: 1.6; text-underline-offset: 5px; text-decoration-thickness: 1px; }
.text-link:hover { text-decoration-thickness: 2px; }
.steps { margin: 0; padding: 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 31px minmax(0, 1fr); gap: 17px; padding: 21px 0; border-top: 1px solid #cfddcf; }
.steps li:first-child { padding-top: 0; border-top: 0; }
.steps li:last-child { padding-bottom: 0; }
.step-number { padding-top: 3px; color: var(--sage); font-size: 12px; font-weight: 600; font-variant-numeric: tabular-nums; }
.privacy { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1fr); gap: clamp(46px, 9vw, 130px); padding-top: 85px; padding-bottom: 85px; }
.privacy h2 { max-width: 410px; }
.privacy-copy p { margin-bottom: 15px; color: var(--ink-soft); font-size: 14px; line-height: 1.8; }
.privacy-copy .text-link { margin-top: 4px; }
.closing { padding: 69px 0 65px; background: #e6eee5; border-block: 1px solid #d2dfd2; }
.closing-inner { text-align: center; }
.closing h2 { margin-bottom: 14px; }
.closing-inner > p:not(.eyebrow):not(.terms-note) { margin: 0 auto 25px; color: var(--ink-soft); font-size: 14px; line-height: 1.8; }
.closing .terms-note { margin: 19px 0 0; color: var(--ink-soft); font-size: 11px; line-height: 1.6; }
.terms-note a { text-underline-offset: 3px; }
.site-footer { display: grid; grid-template-columns: auto minmax(220px, 1fr) auto; align-items: center; gap: 30px; min-height: 108px; padding-block: 22px; color: var(--ink-soft); font-size: 11px; }
.site-footer .brand { color: var(--ink); }
.site-footer .brand span { font-size: 17px; }
.site-footer p { margin: 0; line-height: 1.7; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px 18px; }
.footer-links a { text-underline-offset: 4px; }
.has-js [data-reveal] { opacity: 0; transform: translateY(12px); transition: opacity .45s ease, transform .45s ease; }
.has-js [data-reveal].is-visible { opacity: 1; transform: none; }
@keyframes preview-enter { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

@media (max-width: 760px) {
  .section-wrap { width: calc(100% - 40px); }
  .site-header { min-height: 74px; gap: 16px; }
  .site-header nav { gap: 16px; font-size: 12px; }
  .site-header nav a:nth-child(2), .site-header nav a:nth-child(3) { display: none; }
  .hero { padding-top: 40px; }
  .hero-copy { width: calc(100% - 40px); }
  .hero h1 { font-size: 67px; letter-spacing: -3.9px; }
  .hero-tagline { max-width: 500px; margin-inline: auto; font-size: 31px; letter-spacing: -1px; }
  .hero-description { max-width: 470px; font-size: 14px; }
  .hero-note { max-width: 300px; margin-inline: auto; }
  .hero-note > span { margin-inline: 6px; }
  .app-preview { margin-top: 32px; }
  .app-preview > a { border-radius: 6px; box-shadow: 0 10px 24px rgba(39,66,46,.08); }
  .app-preview figcaption { flex-direction: column; gap: 3px; text-align: center; font-size: 10px; }
  .features { padding-top: 62px; padding-bottom: 52px; }
  .section-heading { margin-bottom: 29px; }
  .section-heading > p:last-child { font-size: 14px; }
  .feature-list { grid-template-columns: 1fr; }
  .feature { padding: 25px 0; }
  .feature + .feature { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .feature-icon { margin-bottom: 15px; }
  .feature p { max-width: 520px; }
  .viewer-options { padding-top: 0; padding-bottom: 59px; }
  .viewer-options-heading { margin-bottom: 25px; }
  .viewer-option-list { grid-template-columns: 1fr; }
  .viewer-option { padding: 23px 0; }
  .viewer-option + .viewer-option { padding-left: 0; border-top: 1px solid var(--line); border-left: 0; }
  .viewer-option-kicker { margin-bottom: 12px; }
  .viewer-options-note { grid-template-columns: 1fr; gap: 5px; }
  .viewer-options-note > span { grid-row: auto; padding: 0 0 3px; }
  .getting-started { padding-block: 52px; }
  .getting-grid, .privacy { grid-template-columns: 1fr; gap: 30px; }
  .getting-heading h2, .getting-heading > p:not(.eyebrow), .privacy h2 { max-width: 520px; }
  .privacy { padding-block: 58px; gap: 12px; }
  .closing { padding-block: 52px; }
  .site-footer { grid-template-columns: 1fr auto; gap: 16px; padding-block: 24px; }
  .site-footer p { grid-row: 2; grid-column: 1 / -1; }
  .footer-links { grid-column: 1 / -1; justify-content: flex-start; }
}
@media (max-width: 480px) {
  .site-header nav a:first-child { display: none; }
  .site-header nav .nav-github { min-height: 36px; padding-inline: 12px; }
  .brand span { font-size: 18px; }
  .eyebrow { font-size: 10px; letter-spacing: 1px; }
  .hero h1 { font-size: clamp(53px, 16vw, 67px); }
  .hero-tagline { max-width: 350px; font-size: 29px; line-height: 1.2; }
  .desktop-break { display: none; }
  .hero-description { margin-bottom: 23px; }
  .hero-actions { flex-direction: column; align-items: center; gap: 10px; }
  .hero-actions .button { width: min(100%, 280px); min-height: 48px; }
  .hero-note { max-width: 260px; }
  .hero-note > span { display: block; height: 3px; overflow: hidden; font-size: 0; }
  h2 { font-size: 30px; letter-spacing: -.95px; }
  .closing-inner > p:not(.eyebrow):not(.terms-note) br { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .has-js [data-reveal] { opacity: 1; transform: none; }
}
