/* Olaryn shared foundation (all pages): self-hosted fonts, colour tokens, type, buttons, header, sections, footer.
   Monochrome system: black/white/grey, one green used only for tiny status dots. */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("/assets/fonts/inter-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Geist Mono";
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url("/assets/fonts/geistmono-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
:root {
  color-scheme: light dark;
  --page: #F9FAFB;
  --panel: #F3F4F6;
  --card: #FFFFFF;
  --ink: #000000;
  --text: #101828;
  --muted: #5F6877;
  --faint: #99A1AF;
  --line: #E5E7EB;
  --line-soft: rgba(0, 0, 0, .05);
  --btn: #000000;
  --btn-ink: #FFFFFF;
  --btn2: #F3F4F6;
  --hover: #E5E7EB;
  --ok: #00BB7F;
  --paper: var(--page); /* used inside the marks.svg symbols */
  --sans: "Inter", "Helvetica Neue", Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, Menlo, Consolas, monospace;
}
/* Dark tokens exist twice on purpose: OS preference (unless light was chosen) and an explicit dark choice. Change both. */
:root[data-theme="light"] { color-scheme: light; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #090909; --panel: #111111; --card: #181818; --ink: #FFFFFF; --text: #D9D9D9; --muted: #8F8F8F; --faint: #757575;
    --line: #232323; --line-soft: rgba(255, 255, 255, .06); --btn: #FFFFFF; --btn-ink: #000000; --btn2: #212121; --hover: #2A2A2A; --ok: #00D294;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #090909; --panel: #111111; --card: #181818; --ink: #FFFFFF; --text: #D9D9D9; --muted: #8F8F8F; --faint: #757575;
  --line: #232323; --line-soft: rgba(255, 255, 255, .06); --btn: #FFFFFF; --btn-ink: #000000; --btn2: #212121; --hover: #2A2A2A; --ok: #00D294;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; }
body {
  margin: 0; min-height: 100vh; background: var(--page); color: var(--text);
  font: 450 16px/1.5 var(--sans); letter-spacing: .015em; font-feature-settings: "ss07" 1, "ss08" 1, "liga" 0;
}
img, svg { max-width: 100%; }
a { color: inherit; text-decoration: none; }
p, h1, h2, h3, h4, ul, ol, pre, figure { margin: 0; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 6px; }
.skip-link { position: absolute; left: 16px; top: -64px; z-index: 50; padding: 10px 16px; border-radius: 999px; background: var(--btn); color: var(--btn-ink); font-size: 14px; }
.skip-link:focus { top: 12px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Layout */
.gutter { padding-left: max(24px, env(safe-area-inset-left, 0px)); padding-right: max(24px, env(safe-area-inset-right, 0px)); }
.shell { max-width: 1120px; margin: 0 auto; }

/* Type: one size per role, headings in two tones (ink line, then grey line at the same size) */
.t1 { font: 400 36px/1.25 var(--sans); letter-spacing: 0; text-wrap: balance; }
.t2 { font: 400 30px/1.25 var(--sans); letter-spacing: 0; text-wrap: balance; }
.ink { color: var(--ink); display: block; }
.dim { color: var(--muted); display: block; }
.lede { font-size: 20px; line-height: 1.4; color: var(--muted); max-width: 46ch; text-wrap: pretty; }
.small { font-size: 12px; line-height: 1.4; color: var(--muted); }
.note { font-size: 14px; color: var(--muted); }
.note a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--faint); text-underline-offset: 3px; }
.note a:hover { text-decoration-color: var(--ink); }

/* Buttons: pills */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 40px; padding: 0 20px; border: 0; border-radius: 999px;
  font: 550 14px/1 var(--sans); letter-spacing: .01em; white-space: nowrap; cursor: pointer; transition: opacity .1s, background-color .15s; }
.btn-primary { background: var(--btn); color: var(--btn-ink); }
.btn-primary:hover { opacity: .85; }
.btn-secondary { background: var(--btn2); color: var(--ink); box-shadow: inset 0 0 0 1px var(--line-soft); }
.btn-secondary:hover, .btn-ghost:hover { background: var(--hover); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-large { height: 48px; padding: 0 24px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }

/* Announcement bar + header */
.announce { display: flex; justify-content: center; padding-block: 10px; border-bottom: 1px solid var(--line); font-size: 14px; color: var(--muted); text-align: center; }
.announce a { color: var(--ink); white-space: nowrap; }
.announce a:hover { text-decoration: underline; text-underline-offset: 3px; }
.site-header { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px; min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; justify-self: start; color: var(--ink); font-size: 17px; letter-spacing: 0; }
.brand svg { width: 26px; height: 26px; flex: none; }
.brand .by { color: var(--muted); font-size: 14px; }
.site-nav { display: flex; gap: 2px; }
.site-nav a { padding: 8px 12px; border-radius: 999px; color: var(--muted); font-size: 15px; }
.site-nav a:hover { color: var(--ink); }
.header-end { display: flex; align-items: center; justify-content: flex-end; gap: 6px; }

/* Theme toggle (revealed by /assets/theme.js; the page follows the OS until a choice is made) */
:root {
  --ico-moon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M13.4 9.7A5.7 5.7 0 0 1 6.3 2.6a5.7 5.7 0 1 0 7.1 7.1z'/%3E%3C/svg%3E");
  --ico-sun: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='black' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='8' cy='8' r='2.8'/%3E%3Cpath d='M8 1.5v1.6M8 12.9v1.6M1.5 8h1.6M12.9 8h1.6M3.4 3.4l1.1 1.1M11.5 11.5l1.1 1.1M3.4 12.6l1.1-1.1M11.5 4.5l1.1-1.1'/%3E%3C/svg%3E");
}
.ico { display: inline-block; width: 1em; height: 1em; flex: none; background: currentColor; -webkit-mask: var(--ico) center / contain no-repeat; mask: var(--ico) center / contain no-repeat; }
.theme-toggle { display: inline-grid; place-items: center; width: 40px; height: 40px; flex: none; padding: 0; border: 0; border-radius: 999px; background: transparent; color: var(--ink); cursor: pointer; font-size: 18px; transition: background-color .15s; }
.theme-toggle[hidden] { display: none; }
.theme-toggle:hover { background: var(--hover); }
.theme-toggle .ico { --ico: var(--ico-moon); }
.theme-toggle[data-mode="dark"] .ico { --ico: var(--ico-sun); }

/* Sections */
.section { display: flex; flex-direction: column; gap: 48px; padding-block: 64px; border-top: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 48px; align-items: start; }

/* Product stage: grey panel with white cards */
.stage { min-width: 0; padding: 12px; border-radius: 20px; background: var(--panel); box-shadow: inset 0 0 0 1px var(--line-soft); }
.stage-label { display: flex; align-items: center; gap: 8px; padding: 6px 8px 14px; font-size: 12px; color: var(--muted); }
.card { min-width: 0; overflow: hidden; border-radius: 12px; background: var(--card); box-shadow: 0 0 0 1px var(--line-soft), 0 1px 2px rgba(0, 0, 0, .03); }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.dot { display: inline-block; width: 6px; height: 6px; flex: none; border-radius: 50%; background: var(--ok); }

/* Feature cards: graphic panel, title, grey text */
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.feature { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.feature > .stage { display: grid; place-items: center; min-height: 240px; padding: 20px; }
.feature h3, .step h3 { margin-bottom: 6px; font: 400 20px/1.375 var(--sans); letter-spacing: 0; color: var(--ink); }
.feature p, .step p { color: var(--muted); text-wrap: pretty; }
.more { display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; color: var(--ink); }
.more:hover { text-decoration: underline; text-underline-offset: 4px; }

/* Numbered steps row */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.step { padding: 24px 24px 0 0; min-width: 0; }
.step + .step { padding-left: 24px; border-left: 1px solid var(--line); }
.step .num { display: block; margin-bottom: 16px; font: 400 12px/1 var(--mono); letter-spacing: 0; color: var(--muted); }

/* Closing call to action */
.cta { display: flex; flex-direction: column; align-items: center; gap: 28px; padding-block: 96px; border-top: 1px solid var(--line); text-align: center; }
.cta .actions { justify-content: center; }

/* Footer */
.site-footer { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 32px; padding-block: 48px 64px; border-top: 1px solid var(--line); }
.site-footer h2 { margin-bottom: 14px; font: 400 16px/1.5 var(--sans); letter-spacing: 0; color: var(--ink); }
.site-footer ul { display: flex; flex-direction: column; gap: 10px; padding: 0; list-style: none; }
.site-footer li, .site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--ink); }
.footer-brand { display: flex; flex-direction: column; gap: 16px; font-size: 14px; color: var(--muted); }

@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: no-preference) { .rise { animation: rise .7s cubic-bezier(.2, .8, .2, 1) .1s both; } }
@media (prefers-reduced-motion: reduce) { .btn, .theme-toggle { transition: none; } }

@media (max-width: 1023px) {
  .section-head { grid-template-columns: 1fr; }
  .grid-3, .steps { grid-template-columns: 1fr; }
  .step, .step + .step { padding: 24px 0; border-left: 0; }
  .step + .step { border-top: 1px solid var(--line); }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 767px) {
  .t1 { font-size: 30px; }
  .t2 { font-size: 24px; }
  .lede { font-size: 18px; }
  .site-header { grid-template-columns: 1fr auto; }
  .site-nav, .header-end .btn-ghost { display: none; }
  .grid-2 { grid-template-columns: 1fr; }
  .section { gap: 32px; padding-block: 48px; }
  .cta { padding-block: 64px; }
}
@media (max-width: 420px) {
  .gutter { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
  .site-footer { grid-template-columns: 1fr; }
  .header-end .btn { padding: 0 14px; }
}