/*
 * offlinai.com — the site's one stylesheet.
 * Colours and type follow OfflinAI's collateral (navy, paper, green; Source Serif 4 and IBM Plex Sans).
 * Fonts are served from this site (SIL Open Font License, see /assets/fonts/LICENSE.txt): no third-party requests.
 */

/* ---------- fonts */
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url(/assets/fonts/ibm-plex-sans-latin-400-normal.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: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url(/assets/fonts/ibm-plex-sans-latin-ext-400-normal.woff2) format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "IBM Plex Sans"; font-style: italic; font-weight: 400; font-display: swap; src: url(/assets/fonts/ibm-plex-sans-latin-400-italic.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: "IBM Plex Sans"; font-style: italic; font-weight: 400; font-display: swap; src: url(/assets/fonts/ibm-plex-sans-latin-ext-400-italic.woff2) format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 500; font-display: swap; src: url(/assets/fonts/ibm-plex-sans-latin-500-normal.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: "IBM Plex Sans"; font-style: normal; font-weight: 500; font-display: swap; src: url(/assets/fonts/ibm-plex-sans-latin-ext-500-normal.woff2) format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url(/assets/fonts/ibm-plex-sans-latin-600-normal.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: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url(/assets/fonts/ibm-plex-sans-latin-ext-600-normal.woff2) format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Source Serif 4"; font-style: normal; font-weight: 600; font-display: swap; src: url(/assets/fonts/source-serif-4-latin-600-normal.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: "Source Serif 4"; font-style: normal; font-weight: 600; font-display: swap; src: url(/assets/fonts/source-serif-4-latin-ext-600-normal.woff2) format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Source Serif 4"; font-style: italic; font-weight: 400; font-display: swap; src: url(/assets/fonts/source-serif-4-latin-400-italic.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: "Source Serif 4"; font-style: italic; font-weight: 400; font-display: swap; src: url(/assets/fonts/source-serif-4-latin-ext-400-italic.woff2) format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url(/assets/fonts/ibm-plex-mono-latin-400-normal.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: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url(/assets/fonts/ibm-plex-mono-latin-ext-400-normal.woff2) format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }

/* ---------- tokens */
:root {
  --navy: #0F1B2D;
  --navy-2: #17263C;
  --navy-3: #22324A;
  --night: #0A1422;
  --ink: #0F1B2D;
  --ink-soft: #3D4A5C;
  --ink-faint: #5E6B7B;
  --paper: #F6F5F1;
  --card: #FDFDFB;
  --line: #DCDFD8;
  --line-strong: #C5CBC2;
  --tint: #E8ECE5;
  --green: #0ABF53;
  --green-dark: #087A36;
  --green-deep: #066A2E;
  --on-dark: #C9D3DF;
  --on-dark-soft: #9AABBF;
  --orange: #FB8C05;
  --orange-tint: #FFF4E3;
  --orange-line: #F2D3A6;
  --red: #B42318;
  --red-tint: #FDECEA;

  --font-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Code", Consolas, monospace;

  --wrap: 1180px;
  --gutter: 24px;
  --radius: 14px;
  --radius-sm: 10px;
  --header-h: 68px;
  --shadow: 0 1px 2px rgba(15, 27, 45, .05), 0 10px 30px rgba(15, 27, 45, .07);
}

/* ---------- base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 56px); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--green-dark); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { color: var(--green-deep); }
:focus-visible { outline: 3px solid var(--green); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3, h4 { margin: 0; color: inherit; }
h1, h2 { font-family: var(--font-serif); font-weight: 600; letter-spacing: -.012em; }
h1 { font-size: clamp(40px, 5.4vw, 66px); line-height: 1.06; }
h2 { font-size: clamp(30px, 3.4vw, 44px); line-height: 1.14; }
h3 { font-family: var(--font-sans); font-weight: 600; font-size: 20px; line-height: 1.35; }
h4 { font-weight: 600; font-size: 17px; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0 0 1em; padding-left: 1.3em; }
code, kbd, pre { font-family: var(--font-mono); font-size: .92em; }
:not(pre) > code { background: var(--tint); border-radius: 5px; padding: .08em .35em; overflow-wrap: anywhere; }
strong { font-weight: 600; }
hr { border: 0; border-top: 1px solid var(--line); margin: 48px 0; }
::selection { background: rgba(10, 191, 83, .25); }

.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 12px; top: -100px; z-index: 100; background: var(--card); color: var(--ink); padding: 10px 14px; border-radius: var(--radius-sm); font-weight: 600; }
.skip-link:focus { top: 10px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.wrap-narrow { max-width: 820px; margin: 0 auto; padding: 0 var(--gutter); }
@media (max-width: 600px) { :root { --gutter: 16px; } body { font-size: 16px; } }

/* ---------- buttons and links */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 20px; border-radius: var(--radius-sm); border: 1px solid transparent;
  font: 600 16px/1.2 var(--font-sans); text-decoration: none; cursor: pointer; white-space: nowrap;
}
@media (prefers-reduced-motion: no-preference) { .btn, .card-link, .teaser-plan { transition: background-color .15s, border-color .15s, color .15s, transform .15s, box-shadow .15s; } }
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--green-dark); color: #fff; }
.btn-primary:hover { background: var(--green-deep); color: #fff; }
.btn-accent { background: var(--green); color: var(--navy); }
.btn-accent:hover { background: #12D161; color: var(--navy); }
.btn-outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-outline:hover { background: var(--ink); color: #fff; }
.btn-ghost { border-color: rgba(255, 255, 255, .34); color: #fff; background: transparent; }
.btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .08); color: #fff; }
.btn-small { padding: 9px 14px; font-size: 15px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; text-decoration: none; }
.link-arrow::after { content: "→"; }
.link-arrow:hover { text-decoration: underline; }

/* ---------- header */
.site-header { position: sticky; top: 0; z-index: 60; background: var(--navy); border-bottom: 1px solid rgba(255, 255, 255, .08); }
.header-bar { display: flex; align-items: center; gap: 28px; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; flex: none; }
.brand img { height: 30px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 4px; flex: 1; }
.site-nav > a, .nav-group > button {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 12px; border-radius: 8px;
  color: var(--on-dark); font: 500 15.5px/1.2 var(--font-sans); text-decoration: none; background: none; border: 0; cursor: pointer;
}
.site-nav > a:hover, .nav-group > button:hover, .nav-group.open > button { color: #fff; background: rgba(255, 255, 255, .06); }
.site-nav a[aria-current="page"], .nav-group.current > button { color: #fff; box-shadow: inset 0 -2px 0 var(--green); border-radius: 0; }
.nav-group { position: relative; }
.nav-group > button::after { content: ""; width: 7px; height: 7px; border-right: 1.6px solid currentColor; border-bottom: 1.6px solid currentColor; transform: translateY(-2px) rotate(45deg); margin-left: 2px; }
.nav-menu {
  position: absolute; top: calc(100% + 10px); left: -8px; min-width: 320px; padding: 8px; margin: 0; list-style: none;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); display: none;
}
.nav-group.open .nav-menu { display: block; }
.nav-menu::before { content: ""; position: absolute; left: 0; right: 0; top: -12px; height: 12px; }
@media (hover: hover) and (min-width: 1021px) {
  .nav-group:hover .nav-menu, .nav-group:focus-within .nav-menu { display: block; }
}
.nav-menu a { display: block; padding: 10px 12px; border-radius: 9px; color: var(--ink); text-decoration: none; }
.nav-menu a:hover, .nav-menu a[aria-current="page"] { background: var(--tint); }
.nav-menu strong { display: block; font-weight: 600; font-size: 15.5px; }
.nav-menu span { display: block; color: var(--ink-faint); font-size: 14px; line-height: 1.4; }
.header-cta { margin-left: auto; display: flex; gap: 10px; align-items: center; }
.menu-toggle { display: none; margin-left: auto; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 8px; border: 1px solid rgba(255, 255, 255, .25); background: none; color: #fff; font: 600 15px var(--font-sans); cursor: pointer; }
.menu-toggle svg { width: 20px; height: 20px; }

@media (max-width: 1020px) {
  .js .menu-toggle { display: inline-flex; }
  .header-bar { gap: 12px; }
  .js .site-nav, .js .header-cta { display: none; }
  .js .site-header.nav-open .site-nav,
  .js .site-header.nav-open .header-cta { display: flex; }
  .site-header.nav-open .header-bar { flex-wrap: wrap; height: auto; padding-top: 14px; padding-bottom: 18px; }
  .site-header.nav-open .brand { height: 40px; }
  .site-header.nav-open .site-nav { order: 3; flex-basis: 100%; flex-direction: column; align-items: stretch; gap: 0; padding-top: 10px; border-top: 1px solid rgba(255, 255, 255, .1); }
  .site-header.nav-open .header-cta { order: 4; flex-basis: 100%; margin: 12px 0 0; }
  .site-header.nav-open .header-cta .btn { flex: 1; }
  .site-header.nav-open .site-nav > a, .site-header.nav-open .nav-group > button { width: 100%; padding: 12px 4px; font-size: 17px; }
  .site-header.nav-open .site-nav a[aria-current="page"] { box-shadow: none; color: var(--green); }
  .nav-group { width: 100%; }
  .nav-menu { position: static; min-width: 0; margin: 0 0 8px; box-shadow: none; }
  /* without JavaScript the navigation simply wraps under the logo */
  html:not(.js) .header-bar { flex-wrap: wrap; height: auto; padding: 12px 0; }
  html:not(.js) .site-nav { flex-wrap: wrap; flex-basis: 100%; }
  html:not(.js) .nav-group .nav-menu { display: block; position: static; }
}

/* ---------- sections */
.section { padding: 96px 0; }
.section-tight { padding: 64px 0; }
.section-white { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-dark { background: var(--navy); color: #fff; }
.section-dark p, .section-dark li { color: var(--on-dark); }
.section-dark a:not(.btn) { color: var(--green); }
@media (max-width: 760px) { .section { padding: 64px 0; } .section-tight { padding: 48px 0; } }

.section-head { max-width: 780px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 + p, .section-head .lead { margin-top: 18px; }
.eyebrow { display: block; margin: 0 0 14px; font: 600 13px/1.3 var(--font-sans); letter-spacing: .12em; text-transform: uppercase; color: var(--green-dark); }
.section-dark .eyebrow, .hero .eyebrow, .page-hero .eyebrow, .cta-band .eyebrow { color: var(--green); }
.lead { font-size: 20px; line-height: 1.55; color: var(--ink-soft); }
.section-dark .lead { color: var(--on-dark); }
.muted { color: var(--ink-faint); }
.small { font-size: 15px; }
.center { text-align: center; }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 16px; } .mt-2 { margin-top: 28px; } .mt-3 { margin-top: 44px; }

/* ---------- hero */
.hero {
  position: relative; overflow: hidden; color: #fff; padding: 84px 0 96px;
  background:
    radial-gradient(760px 420px at 88% -12%, rgba(10, 191, 83, .20), transparent 62%),
    radial-gradient(640px 380px at -10% 110%, rgba(251, 140, 5, .08), transparent 60%),
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px) 0 0 / 48px 48px,
    var(--navy);
}
.hero-grid { display: grid; grid-template-columns: 1.04fr .96fr; gap: 56px; align-items: center; }
.hero h1 { color: #fff; }
.hero .lead { margin: 24px 0 32px; color: var(--on-dark); font-size: 21px; max-width: 620px; }
.hero .actions { margin-bottom: 18px; }
.hero-note { color: var(--on-dark-soft); font-size: 15px; margin: 0; }
.hero-note a { color: #fff; }
.hero-note code { background: rgba(255, 255, 255, .08); color: #fff; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 30px 0 0; }
.chips li { display: inline-flex; align-items: center; gap: 7px; padding: 6px 12px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .16); color: var(--on-dark); font-size: 14px; }
.chips li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
@media (max-width: 960px) {
  .hero { padding: 56px 0 64px; }
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
}

.page-hero {
  color: #fff; padding: 76px 0 68px;
  background:
    radial-gradient(700px 360px at 92% -20%, rgba(10, 191, 83, .16), transparent 62%),
    linear-gradient(rgba(255, 255, 255, .03) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px) 0 0 / 48px 48px,
    var(--navy);
}
.page-hero h1 { font-size: clamp(36px, 4.6vw, 58px); max-width: 900px; }
.page-hero .lead { margin: 22px 0 0; max-width: 760px; color: var(--on-dark); }
.page-hero .actions { margin-top: 30px; }
.page-hero.compact { padding: 60px 0 52px; }
.page-hero .meta { margin-top: 18px; color: var(--on-dark-soft); font-size: 15px; }
@media (max-width: 760px) { .page-hero { padding: 52px 0 48px; } }

/* ---------- the architecture diagram */
.diagram {
  position: relative; border: 1.5px dashed rgba(255, 255, 255, .28); border-radius: 22px; padding: 30px 22px 22px;
  background: rgba(10, 20, 34, .55); box-shadow: 0 30px 80px rgba(0, 0, 0, .25);
}
.diagram-label { position: absolute; top: -13px; left: 22px; padding: 2px 10px; border-radius: 999px; background: var(--navy); border: 1px solid rgba(255, 255, 255, .22); color: var(--on-dark); font: 600 12px/1.6 var(--font-sans); letter-spacing: .1em; text-transform: uppercase; }
.diagram-safe { position: absolute; top: -14px; right: 18px; display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; background: var(--green); color: var(--navy); font: 600 12.5px/1.5 var(--font-sans); }
.diagram-safe svg { width: 14px; height: 14px; }
.dia-title { margin: 0 0 8px; color: var(--on-dark-soft); font: 600 12px/1.4 var(--font-sans); letter-spacing: .1em; text-transform: uppercase; }
.dia-apps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.dia-pill { display: flex; align-items: center; gap: 8px; padding: 9px 10px; border-radius: 10px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .1); color: #fff; font-size: 13.5px; line-height: 1.25; }
.dia-pill svg { width: 16px; height: 16px; flex: none; color: var(--on-dark-soft); }
.dia-link { height: 26px; margin: 4px auto; width: 2px; background: linear-gradient(var(--green), rgba(10, 191, 83, .35)); position: relative; }
.dia-link::after { content: ""; position: absolute; bottom: -2px; left: -4px; border: 5px solid transparent; border-top: 6px solid rgba(10, 191, 83, .6); border-bottom: 0; }
.dia-core { border-radius: 14px; border: 1.5px solid var(--green); background: linear-gradient(180deg, rgba(10, 191, 83, .14), rgba(10, 191, 83, .05)); padding: 14px 16px; }
.dia-core-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.dia-core-head strong { font: 600 18px/1.2 var(--font-serif); color: #fff; }
.dia-core-head span { color: var(--on-dark-soft); font-size: 13px; }
.dia-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.dia-tags span { padding: 3px 9px; border-radius: 999px; background: rgba(255, 255, 255, .08); color: var(--on-dark); font-size: 12.5px; }
.dia-workers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.dia-worker { padding: 10px 11px; border-radius: 10px; border: 1px solid rgba(255, 255, 255, .12); background: rgba(255, 255, 255, .04); }
.dia-worker b { display: block; color: #fff; font-weight: 600; font-size: 13.5px; }
.dia-worker span { color: var(--on-dark-soft); font-size: 12.5px; line-height: 1.35; display: block; }
.dia-disk { margin-top: 8px; padding: 8px 12px; border-radius: 10px; background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .08); color: var(--on-dark-soft); font-size: 13px; text-align: center; }
@media (max-width: 520px) {
  .dia-workers { grid-template-columns: 1fr; }
  .diagram { padding: 30px 14px 28px; }
  .diagram-safe { top: auto; bottom: -14px; right: 50%; transform: translateX(50%); white-space: nowrap; }
}
@media (max-width: 600px) {
  .card, .steps li, .service, .plan { padding: 22px 20px; }
  .card h3, .card .icon-tile + h3 { margin-top: 14px; }
}

/* ---------- code */
.code {
  margin: 0; background: var(--night); color: #E6EDF5; border: 1px solid var(--navy-3); border-radius: var(--radius);
  font: 400 14px/1.65 var(--font-mono); overflow: hidden; box-shadow: 0 24px 60px rgba(0, 0, 0, .18);
}
.code-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--navy-3); color: var(--on-dark-soft); font: 500 13px/1.4 var(--font-sans); }
.code pre { margin: 0; padding: 18px 18px 20px; overflow-x: auto; font-size: 14px; }
.code .c { color: #8597AD; }
.code .s { color: #9FE6B8; }
.code .k { color: #F5B971; }
.code .f { color: #8FD3FF; }
.code .p { color: #C9D3DF; }

/* ---------- grids and cards */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1020px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.split-wide { grid-template-columns: 1.15fr .85fr; }
@media (max-width: 900px) { .split, .split-wide { grid-template-columns: 1fr; gap: 36px; } }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.section-white .card { background: var(--paper); }
.card h3 { margin: 18px 0 8px; }
.card p { color: var(--ink-soft); }
.card .icon-tile + h3 { margin-top: 18px; }
.card > h3:first-child { margin-top: 0; }
.icon-tile { width: 46px; height: 46px; border-radius: 12px; background: var(--tint); color: var(--green-dark); display: grid; place-items: center; }
.section-white .icon-tile { background: #fff; border: 1px solid var(--line); }
.icon-tile svg { width: 24px; height: 24px; }
.card-link { display: flex; flex-direction: column; text-decoration: none; color: inherit; }
.card-link:hover { border-color: var(--green-dark); box-shadow: var(--shadow); color: inherit; transform: translateY(-2px); }
.card-link .link-arrow { margin-top: auto; padding-top: 18px; color: var(--green-dark); }
.card-link p { margin-bottom: 0; }

/* features on a dark section */
.features-dark { display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px 28px; }
.features-dark .icon-tile { background: rgba(10, 191, 83, .12); color: var(--green); }
.features-dark h3 { color: #fff; margin: 16px 0 6px; font-size: 18px; }
.features-dark p { font-size: 15.5px; margin: 0; }
@media (max-width: 1020px) { .features-dark { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .features-dark { grid-template-columns: 1fr; } }

/* a quotation set large */
.pull-quote { margin: 0; font: italic 400 clamp(28px, 3.3vw, 42px)/1.22 var(--font-serif); color: var(--ink); max-width: 980px; }
.pull-quote::before { content: "“"; color: var(--green-dark); }
.pull-quote::after { content: "”"; color: var(--green-dark); }

/* numbered steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
.steps li { counter-increment: step; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--navy); color: #fff; font: 600 17px/1 var(--font-sans); margin-bottom: 18px; }
.steps h3 { margin-bottom: 8px; }
.steps p { color: var(--ink-soft); margin: 0; }
.steps-1 { grid-template-columns: 1fr; }
.steps-1 li { padding: 22px 24px 22px 76px; position: relative; }
.steps-1 li::before { position: absolute; left: 22px; top: 22px; margin: 0; }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr; } }

/* check lists */
.checks { list-style: none; padding: 0; margin: 0 0 1em; }
.checks li { position: relative; padding-left: 28px; margin: 0 0 10px; }
.checks li::before { content: ""; position: absolute; left: 2px; top: .42em; width: 14px; height: 8px; border-left: 2.2px solid var(--green-dark); border-bottom: 2.2px solid var(--green-dark); transform: rotate(-45deg); }
.section-dark .checks li::before { border-color: var(--green); }

/* a definition-style list of facts */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; list-style: none; padding: 0; margin: 0; }
.facts li { border-top: 2px solid var(--green-dark); padding-top: 14px; }
.facts b { display: block; font: 600 22px/1.25 var(--font-serif); margin-bottom: 6px; }
.facts span { color: var(--ink-soft); font-size: 15.5px; }
@media (max-width: 900px) { .facts { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .facts { grid-template-columns: 1fr; } }

/* callouts */
.note { border-left: 3px solid var(--green-dark); background: var(--tint); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: 16px 20px; color: var(--ink-soft); }
.note strong { color: var(--ink); }

/* ---------- product page sub-navigation */
.subnav { position: sticky; top: var(--header-h); z-index: 40; background: rgba(246, 245, 241, .96); border-bottom: 1px solid var(--line); backdrop-filter: saturate(1.4) blur(8px); }
.subnav ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; overflow-x: auto; scrollbar-width: none; }
.subnav ul::-webkit-scrollbar { display: none; }
.subnav a { display: block; padding: 13px 12px; color: var(--ink-soft); font: 500 15px/1.2 var(--font-sans); text-decoration: none; white-space: nowrap; }
.subnav a:hover { color: var(--ink); }

/* endpoints list */
.endpoints { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 8px; }
.endpoints li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; background: var(--card); border: 1px solid var(--line); border-radius: 9px; padding: 9px 12px; }
.endpoints code { background: none; padding: 0; font-size: 14.5px; color: var(--ink); }
.endpoints span { color: var(--ink-faint); font-size: 13.5px; margin-left: -8px; }
.endpoints span::before { content: "("; } .endpoints span::after { content: ")"; }
.plain { list-style: none; padding: 0; margin: 0; }
.plain li { margin: 0 0 12px; }
.plain li span { display: block; color: var(--ink-faint); font-size: 14.5px; }
.stack { display: grid; gap: 20px; }

/* ---------- pricing */
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; align-items: stretch; }
.plan { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 28px 24px; scroll-margin-top: calc(var(--header-h) + 24px); }
.plan h3 { font: 600 24px/1.2 var(--font-serif); }
.plan-for { color: var(--ink-faint); font-size: 15px; min-height: 2.9em; margin: 6px 0 18px; }
.plan-price { margin: 0; display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px; }
.plan-big { font: 600 40px/1 var(--font-serif); color: var(--ink); }
.plan-unit, .plan-from { color: var(--ink-soft); font-size: 16px; }
.plan-small { color: var(--ink-soft); font-size: 15px; margin: 8px 0 0; }
.plan-perpetual { font-size: 14.5px; color: var(--ink-soft); background: var(--tint); border-radius: 9px; padding: 8px 10px; margin: 16px 0 20px; }
.plan .checks { flex: 1; font-size: 15.5px; }
.plan .btn { margin-top: 12px; width: 100%; }
@media (max-width: 1100px) { .plans { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .plans { grid-template-columns: 1fr; } .plan-for { min-height: 0; } }

.teaser { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.teaser-plan { display: flex; flex-direction: column; gap: 4px; padding: 20px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); color: var(--ink); text-decoration: none; }
.teaser-plan:hover { border-color: var(--green-dark); box-shadow: var(--shadow); color: var(--ink); }
.teaser-name { font-weight: 600; color: var(--ink-soft); font-size: 15px; letter-spacing: .02em; }
.teaser-price { font: 600 30px/1.15 var(--font-serif); }
.teaser-price small { font: 400 15px var(--font-sans); color: var(--ink-soft); }
.teaser-for { color: var(--ink-faint); font-size: 14.5px; line-height: 1.4; }
@media (max-width: 900px) { .teaser { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .teaser { grid-template-columns: 1fr; } }

.offer { display: flex; gap: 18px; align-items: flex-start; background: var(--orange-tint); border: 1px solid var(--orange-line); border-radius: var(--radius); padding: 20px 22px; margin: 28px 0 0; }
.offer-badge { flex: none; margin: 2px 0 0; padding: 4px 10px; border-radius: 999px; background: var(--orange); color: var(--navy); font: 600 12.5px/1.4 var(--font-sans); letter-spacing: .06em; text-transform: uppercase; }
.offer-head { margin: 0 0 6px; color: var(--ink); }
.offer-terms { margin: 0; color: var(--ink-soft); font-size: 15px; }
@media (max-width: 640px) { .offer { flex-direction: column; gap: 10px; } }

.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.compare { width: 100%; min-width: 760px; border-collapse: collapse; font-size: 15.5px; }
.compare th, .compare td { padding: 13px 16px; border-bottom: 1px solid var(--line); text-align: center; vertical-align: top; }
.compare thead th { font: 600 17px/1.2 var(--font-serif); background: var(--paper); position: sticky; top: 0; }
.compare tbody th { text-align: left; font-weight: 500; color: var(--ink); width: 34%; }
.compare tr:last-child th, .compare tr:last-child td { border-bottom: 0; }
.compare .yes { color: var(--green-dark); font-weight: 700; }
.compare .no { color: #A3ACB6; }
.compare .row-price th, .compare .row-price td { background: var(--paper); font-weight: 600; }
.th-note { display: block; font-weight: 400; color: var(--ink-faint); font-size: 14px; }

.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.service { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; }
.service h3 { margin-bottom: 10px; }
.service-price { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; margin: 0 0 12px; }
.service-price .plan-big { font-size: 32px; }
.service p:last-child { color: var(--ink-soft); font-size: 15.5px; }
@media (max-width: 900px) { .services { grid-template-columns: 1fr; } }

/* ---------- FAQ */
.faqs { border-top: 1px solid var(--line); }
details.faq { border-bottom: 1px solid var(--line); }
details.faq summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 0; cursor: pointer; list-style: none; font: 600 18px/1.4 var(--font-sans); }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: ""; flex: none; width: 12px; height: 12px; border-right: 2px solid var(--green-dark); border-bottom: 2px solid var(--green-dark); transform: rotate(45deg) translate(-3px, -3px); }
details.faq[open] summary::after { transform: rotate(-135deg) translate(-3px, -3px); }
details.faq > div { padding: 0 40px 22px 0; color: var(--ink-soft); }
.section-dark .faqs, .section-dark details.faq { border-color: rgba(255, 255, 255, .12); }

/* ---------- forms */
.form-card { background: var(--card); color: var(--ink); border-radius: 18px; padding: 30px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.form-card h3 { font: 600 24px/1.2 var(--font-serif); margin-bottom: 6px; }
.form-card > p { color: var(--ink-soft); }
.form { display: grid; gap: 16px; margin-top: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } .form-card { padding: 22px 18px; } }
.field label { display: block; margin-bottom: 6px; font-weight: 600; font-size: 15px; color: var(--ink); }
.field .hint { font-weight: 400; color: var(--ink-faint); }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: #fff;
  color: var(--ink); font: 400 16px/1.4 var(--font-sans);
}
.field textarea { min-height: 120px; resize: vertical; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink-soft) 50%), linear-gradient(135deg, var(--ink-soft) 50%, transparent 50%); background-position: calc(100% - 20px) 52%, calc(100% - 14px) 52%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 40px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid rgba(10, 191, 83, .3); outline-offset: 0; border-color: var(--green-dark); }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 18px; }
.form-foot p { margin: 0; color: var(--ink-faint); font-size: 14px; flex: 1 1 220px; }
.cf-turnstile { min-height: 65px; }
.form-status { border-radius: var(--radius-sm); padding: 14px 16px; font-weight: 500; }
.form-status.ok { background: #E6F4EC; color: var(--green-deep); border: 1px solid #B9DEC8; }
.form-status.error { background: var(--red-tint); color: var(--red); border: 1px solid #F3C1BB; }
.form-status[hidden] { display: none; }

/* call to action with the form */
.cta-band { background: var(--navy); color: #fff; padding: 96px 0; }
.cta-band .split { align-items: center; }
.cta-band h2 { color: #fff; }
.cta-band .lead { color: var(--on-dark); margin-top: 18px; }
.cta-band .checks li { color: var(--on-dark); }
@media (max-width: 760px) { .cta-band { padding: 64px 0; } }

/* ---------- long text: legal pages, release notes */
.doc { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 56px; align-items: start; }
.toc { position: sticky; top: calc(var(--header-h) + 24px); max-height: calc(100vh - var(--header-h) - 48px); overflow-y: auto; font-size: 14.5px; }
.toc p { margin: 0 0 10px; font: 600 13px/1.3 var(--font-sans); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-faint); }
.toc ol, .toc ul { list-style: none; padding: 0; margin: 0; }
.toc li { margin: 0; }
.toc a { display: block; padding: 6px 10px; border-left: 2px solid var(--line); color: var(--ink-soft); text-decoration: none; line-height: 1.4; }
.toc a:hover { color: var(--ink); border-left-color: var(--green-dark); }
@media (max-width: 960px) { .doc { grid-template-columns: 1fr; gap: 28px; } .toc { position: static; max-height: none; } }
.prose { max-width: 780px; color: #253142; }
.prose h2 { font-size: clamp(26px, 2.6vw, 32px); margin: 56px 0 18px; scroll-margin-top: calc(var(--header-h) + 24px); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 19px; margin: 32px 0 10px; scroll-margin-top: calc(var(--header-h) + 24px); }
.prose h4 { margin: 24px 0 8px; }
.prose li { margin-bottom: 6px; }
.prose table { width: 100%; border-collapse: collapse; margin: 0 0 1.2em; font-size: 15.5px; }
.prose th, .prose td { text-align: left; border-bottom: 1px solid var(--line); padding: 10px 12px 10px 0; vertical-align: top; }
.prose .updated { color: var(--ink-faint); font-size: 15px; }
.prose blockquote { margin: 0 0 1em; padding-left: 16px; border-left: 3px solid var(--line-strong); color: var(--ink-soft); }

.release { padding: 0 0 40px; margin-bottom: 40px; border-bottom: 1px solid var(--line); }
.release:last-child { border-bottom: 0; }
.release-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px 16px; margin-bottom: 16px; }
.release-head h2 { margin: 0 !important; }
.release-head span { color: var(--ink-faint); }

/* ---------- footer */
.site-footer { background: var(--night); color: var(--on-dark); padding: 72px 0 40px; font-size: 15.5px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 36px; }
.footer-brand img { height: 30px; width: auto; margin-bottom: 18px; }
.footer-brand p { color: var(--on-dark-soft); max-width: 300px; }
.site-footer h2 { font: 600 13px/1.3 var(--font-sans); letter-spacing: .12em; text-transform: uppercase; color: #fff; margin: 4px 0 14px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 0 0 9px; }
.site-footer a { color: var(--on-dark); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-legal { margin-top: 56px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .1); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; color: var(--on-dark-soft); font-size: 14px; }
.footer-legal p { margin: 0; }
@media (max-width: 1020px) { .footer-grid { grid-template-columns: repeat(3, 1fr); } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* ---------- 404 */
.not-found { min-height: 52vh; display: grid; align-content: center; }

/* ---------- print */
@media print {
  .site-header, .subnav, .cta-band, .site-footer .footer-grid, form, .menu-toggle { display: none !important; }
  body { background: #fff; }
  .hero, .page-hero, .section-dark { background: #fff !important; color: #000 !important; }
  .hero h1, .page-hero h1, .section-dark h2 { color: #000 !important; }
}

/* ---------- the licence */
.licence .clauses { list-style: none; padding-left: 18px; }
.licence .clauses li { margin-bottom: 8px; }