/* Public website of Rathaus. The colors come from the board: amber marks what waits for the
   human, navy marks a coordinator, blue marks a running session. System fonts only. */
:root {
  --page: #FBFBF9;
  --page-2: #F1F1EC;
  --ink: #17191B;
  --ink-2: #555A60;
  --ink-3: #7C8288;
  --line: #DCDCD6;
  --card: #FFFFFF;
  --amber: #E9A23B;
  --amber-ink: #8A4109;
  --amber-fill: #FBEBD2;
  --navy: #141B2B;
  --navy-ink: #E6E9EF;
  --blue: #2F6FE4;
  --blue-fill: #E3EBFC;
  --violet: #8B5CF6;
  --green: #1D8A4A;
  --dark: #0F1115;
  --dark-2: #171A21;
  --dark-ink: #E6E9EF;
  --dark-ink-2: #A3ABB8;
  --dark-line: #2A2F3A;
  --radius-l: 22px;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
}
/* Dark: from the system setting, unless the theme switch set data-theme on <html>. */
:root { color-scheme: light; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0F1115;
    --page-2: #151820;
    --ink: #E6E9EF;
    --ink-2: #A3ABB8;
    --ink-3: #7D8594;
    --line: #2A2F3A;
    --card: #181C25;
    --amber-ink: #F0C890;
    --amber-fill: #3A2A10;
    --navy: #1C2540;
    --blue-fill: #16264A;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0F1115;
  --page-2: #151820;
  --ink: #E6E9EF;
  --ink-2: #A3ABB8;
  --ink-3: #7D8594;
  --line: #2A2F3A;
  --card: #181C25;
  --amber-ink: #F0C890;
  --amber-fill: #3A2A10;
  --navy: #1C2540;
  --blue-fill: #16264A;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 400 17px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
code { font: 0.92em var(--mono); }
h1, h2, h3 { font-family: var(--display); margin: 0; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 6px; }
section[id] { scroll-margin-top: 56px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Navigation */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--page) 78%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}
.nav-in {
  max-width: 1120px; margin: 0 auto; padding: 0 24px; height: 48px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.logo { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 16px; text-decoration: none; }
.logo svg { width: 20px; height: 20px; }
.nav nav { display: flex; gap: 22px; font-size: 13px; }
.nav nav a { text-decoration: none; color: var(--ink-2); }
.nav nav a:hover { color: var(--ink); }
.nav-right { display: flex; align-items: center; gap: 22px; }
.theme {
  display: grid; place-items: center; width: 30px; height: 30px; padding: 0;
  border: 1px solid var(--line); border-radius: 50%; background: transparent; color: var(--ink-2); cursor: pointer;
}
.theme:hover { color: var(--ink); }
.theme svg { width: 16px; height: 16px; }
.theme .moon { display: none; }
:root[data-theme="dark"] .theme .sun { display: none; }
:root[data-theme="dark"] .theme .moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme .sun { display: none; }
  :root:not([data-theme="light"]) .theme .moon { display: block; }
}

/* Hero */
.hero { padding: 96px 24px 72px; text-align: center; overflow: hidden; }
.hero-text { max-width: 860px; margin: 0 auto; }
.hero h1 {
  font-size: clamp(48px, 8.4vw, 104px);
  line-height: 0.98;
  letter-spacing: -0.04em;
  font-weight: 700;
}
.lede {
  max-width: 640px; margin: 28px auto 0;
  font-size: clamp(19px, 2vw, 23px); line-height: 1.42; color: var(--ink-2);
  letter-spacing: -0.01em;
}
.meta { margin: 16px 0 0; font-size: 14px; color: var(--ink-3); }

.shot {
  max-width: 1180px; margin: 64px auto 0;
  border-radius: 16px; overflow: hidden;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(255,255,255,.4) inset, 0 40px 80px -30px rgba(20, 27, 43, .35), 0 12px 24px -12px rgba(20, 27, 43, .18);
  transition: background .4s ease, border-color .4s ease;
}
.shot[data-mode="wall"] { background: var(--dark); border-color: var(--dark-line); }
.shot-bar {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  height: 44px; padding: 0 14px; border-bottom: 1px solid var(--line);
  transition: border-color .4s ease;
}
.shot[data-mode="wall"] .shot-bar { border-color: var(--dark-line); }
.dots { display: flex; gap: 7px; }
.dots i { width: 11px; height: 11px; border-radius: 50%; background: #FF5F57; }
.dots i:nth-child(2) { background: #FEBC2E; }
.dots i:nth-child(3) { background: #28C840; }
.shot-title { font-size: 13px; color: var(--ink-3); }
.shot[data-mode="wall"] .shot-title { color: var(--dark-ink-2); }
.seg {
  justify-self: end; display: inline-flex; padding: 2px; border-radius: 8px;
  background: var(--page-2); border: 1px solid var(--line);
}
.shot[data-mode="wall"] .seg { background: var(--dark-2); border-color: var(--dark-line); }
.seg button {
  font: 500 12px var(--sans); border: 0; background: transparent; color: var(--ink-2);
  padding: 4px 12px; border-radius: 6px; cursor: pointer;
}
.shot[data-mode="wall"] .seg button { color: var(--dark-ink-2); }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--page); }
.shot[data-mode="wall"] .seg button[aria-pressed="true"] { background: var(--dark-ink); color: var(--dark); }
.shot-img { position: relative; aspect-ratio: 2580 / 1452; }
.shot-img img { position: absolute; inset: 0; width: 100%; height: 100%; display: block; transition: opacity .45s ease; }
.shot .img-wall { opacity: 0; }
.shot[data-mode="wall"] .img-wall { opacity: 1; }
.shot[data-mode="wall"] .img-desk { opacity: 0; }
.shot figcaption {
  padding: 14px 20px 16px; font-size: 14px; color: var(--ink-3); text-align: left;
  border-top: 1px solid var(--line); transition: color .4s ease, border-color .4s ease;
}
.shot[data-mode="wall"] figcaption { color: var(--dark-ink-2); border-color: var(--dark-line); }

/* Shared section type */
section h2 {
  font-size: clamp(36px, 5.2vw, 64px);
  line-height: 1.04; letter-spacing: -0.035em; font-weight: 700;
}
.sub {
  max-width: 700px; margin: 22px 0 0;
  font-size: clamp(18px, 1.7vw, 21px); line-height: 1.45; color: var(--ink-2); letter-spacing: -0.01em;
}
h3 { font-size: 19px; letter-spacing: -0.015em; font-weight: 600; }

/* Flow */
.flow { padding: 120px 0; background: var(--page-2); }
.flow .wrap { max-width: 1240px; }
.flow-grid { display: grid; grid-template-columns: 340px 1fr; gap: 48px; margin-top: 56px; align-items: start; }
.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.steps li { counter-increment: step; }
.steps button {
  display: grid; grid-template-columns: 30px 1fr; column-gap: 12px; row-gap: 2px;
  width: 100%; text-align: left; font: inherit; color: var(--ink-3);
  background: transparent; border: 0; border-radius: 14px; padding: 12px 14px; cursor: pointer;
  transition: background .25s ease, color .25s ease;
}
.steps button::before {
  content: counter(step); grid-row: span 2;
  width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  font: 600 13px var(--sans); border: 1.5px solid currentColor; margin-top: 1px;
}
.steps b { font-weight: 600; font-size: 16px; }
.steps span { grid-column: 2; font-size: 14px; line-height: 1.4; display: none; }
.steps button:hover { color: var(--ink-2); }
.steps button[aria-current="step"] { background: var(--card); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,.05), 0 8px 24px -12px rgba(0,0,0,.18); }
.steps button[aria-current="step"]::before { background: var(--ink); color: var(--card); border-color: var(--ink); }
.steps button[aria-current="step"] span { display: block; color: var(--ink-2); }

.diagram { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-l); padding: 20px 20px 14px; }
#flowsvg { width: 100%; height: auto; display: block; }
#flowsvg text { font-family: var(--sans); fill: var(--ink); }
#flowsvg .t { font-size: 28px; font-weight: 600; letter-spacing: -0.01em; }
#flowsvg .t.sm { font-size: 21px; }
#flowsvg .s { font-size: 19px; fill: var(--ink-3); }
#flowsvg .lbl { font-size: 19px; fill: var(--ink-3); font-weight: 500; }
#flowsvg .agency { fill: none; stroke: var(--line); stroke-width: 1.5; stroke-dasharray: 6 6; }
#flowsvg .node rect { fill: var(--page); stroke: var(--line); stroke-width: 1.5; transition: fill .35s ease, stroke .35s ease, opacity .35s ease; }
#flowsvg .node.dash rect { stroke-dasharray: 6 5; }
#flowsvg .node text { transition: fill .35s ease, opacity .35s ease; }
#flowsvg .node.world rect { fill: var(--page-2); }
#flowsvg .node.ghost text { opacity: .7; }
#flowsvg .ln { fill: none; stroke: var(--line); stroke-width: 2; marker-end: url(#ah); transition: stroke .35s ease; }
#flowsvg .ahead { fill: var(--line); }
#flowsvg .ln.on { stroke: var(--ink-3); }
#flowsvg .ln.watch { stroke-dasharray: 3 5; }

#flowsvg .node.on rect { fill: var(--card); stroke: var(--ink); }
#flowsvg .node.co.on rect { fill: var(--navy); stroke: var(--navy); }
#flowsvg .node.co.on text { fill: var(--navy-ink); }
#flowsvg .node.co.on .s { fill: #A9B4CC; }
#flowsvg .node.rh.on rect { fill: var(--blue-fill); stroke: var(--blue); }
#flowsvg .node.wait rect { fill: var(--amber-fill); stroke: var(--amber); }
#flowsvg .node.wait text { fill: var(--amber-ink); }
#flowsvg .node.main.on rect { fill: var(--blue-fill); stroke: var(--blue); }
#flowsvg .pulse { fill: var(--blue); }
#flowsvg .pulse.amber { fill: var(--amber); }
#flowsvg .pulse.violet { fill: var(--violet); }
#flowsvg .pulse.green { fill: var(--green); }

.flow-ctl { display: flex; align-items: center; gap: 14px; margin-top: 10px; min-height: 36px; }
.flow-ctl button {
  font: 500 13px var(--sans); color: var(--ink-2); background: var(--page-2);
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; cursor: pointer; flex: none;
}
.caption { margin: 0; font-size: 14px; color: var(--ink-3); }
.note { margin: 48px 0 0; font-size: 19px; color: var(--ink-2); max-width: 640px; }

/* Agencies */
.agencies { padding: 130px 0 120px; }
.worlds { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 56px 0 0; }
.world-card {
  position: relative; padding: 26px 26px 24px; border-radius: var(--radius-l);
  background: var(--card); border: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 6px; font-size: 15px; color: var(--ink-2);
}
.world-card::after {
  content: ""; position: absolute; inset: 10px; border-radius: 15px;
  border: 1.5px dashed var(--line); pointer-events: none;
}
.world-card b { font: 600 26px var(--display); letter-spacing: -0.02em; color: var(--ink); margin-bottom: 8px; }
.world-card span { padding-left: 16px; position: relative; }
.world-card span::before { content: ""; position: absolute; left: 0; top: .6em; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }
.world-card:nth-child(3) span:first-of-type::before { background: var(--violet); }

.facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 44px 64px; margin-top: 72px; }
.facts.three { grid-template-columns: repeat(3, 1fr); }
.facts p { margin: 10px 0 0; color: var(--ink-2); font-size: 16px; }

/* Roles */
.roles { padding: 120px 0; background: var(--page-2); }
.role-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 56px; }
.role { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 22px; }
.role p { margin: 14px 0 0; font-size: 15px; color: var(--ink-2); }
.chip { display: inline-block; font-size: 14px; font-weight: 600; padding: 4px 12px; border-radius: 999px; }
.chip.co { background: var(--navy); color: var(--navy-ink); }
.chip.sp { background: var(--blue-fill); color: var(--blue); }
.chip.au { border: 1.5px dashed var(--ink-3); color: var(--ink-2); padding: 3px 11px; }
.chip.ad { background: color-mix(in srgb, var(--violet) 16%, transparent); color: var(--violet); }

/* Dark sections */
.dark { background: var(--dark); color: var(--dark-ink); }
.dark + .dark { margin-top: -1px; border-top: 1px solid var(--dark); }
.dark .sub { color: var(--dark-ink-2); }
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
.remote { padding: 130px 0; }
.ticks { list-style: none; padding: 0; margin: 32px 0 0; display: grid; gap: 12px; }
.ticks li { position: relative; padding-left: 28px; color: var(--dark-ink-2); font-size: 16px; }
.ticks li::before {
  content: ""; position: absolute; left: 2px; top: .45em; width: 12px; height: 7px;
  border-left: 2px solid var(--amber); border-bottom: 2px solid var(--amber); transform: rotate(-45deg);
}
.cmd { margin: 28px 0 0; color: var(--dark-ink-2); font-size: 15px; }
.cmd code, .keys code { color: var(--dark-ink); background: var(--dark-2); border: 1px solid var(--dark-line); padding: 2px 7px; border-radius: 6px; }

.tailnet { width: 100%; max-width: 440px; justify-self: center; }
.tailnet .ring { fill: none; stroke: var(--blue); stroke-width: 1.5; stroke-dasharray: 2 7; opacity: .8; }
.tailnet .ring-l { fill: #9DB9FF; font: 500 14px var(--sans); }
.tailnet .dev rect, .tailnet .dev path { fill: var(--dark-2); stroke: var(--dark-ink-2); stroke-width: 1.5; }
.tailnet .dev text { fill: var(--dark-ink); font: 500 14px var(--sans); }
.tailnet .link { stroke: var(--amber); stroke-width: 2; stroke-dasharray: 4 6; fill: none; animation: flowdash 1.6s linear infinite; }
@keyframes flowdash { to { stroke-dashoffset: -20; } }

.keys { padding: 30px 0 140px; }
.keys .split { grid-template-columns: 1fr 1.1fr; }
.soon { margin: 0 0 14px; font-size: 15px; font-weight: 600; color: var(--amber); }
.keys .ticks code { font-size: .9em; }
.file {
  border-radius: var(--radius-l); background: var(--dark-2); border: 1px solid var(--dark-line);
  padding: 26px; box-shadow: 0 40px 80px -40px rgba(0,0,0,.8);
}
.file-h { font: 500 14px var(--mono); color: var(--dark-ink); padding-bottom: 18px; border-bottom: 1px solid var(--dark-line); margin-bottom: 18px; word-break: break-all; }
.slot { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 12px; background: var(--dark); margin-top: 10px; font-size: 15px; }
.slot i { width: 26px; height: 14px; border-radius: 4px; border: 2px solid var(--amber); position: relative; flex: none; }
.slot i::after { content: ""; position: absolute; right: -7px; top: 2px; width: 5px; height: 6px; border-radius: 1px; background: var(--amber); }
.slot.p i { border-color: var(--dark-ink-2); border-radius: 50%; width: 14px; }
.slot.p i::after { display: none; }
.locked {
  margin-top: 18px; padding: 16px; border-radius: 12px; font-size: 14px; color: var(--dark-ink-2);
  background: repeating-linear-gradient(135deg, var(--dark) 0 8px, var(--dark-2) 8px 16px);
}

/* Closing and footer */
.closing { padding: 130px 0; text-align: center; }
.closing .sub { margin-left: auto; margin-right: auto; }
.foot { border-top: 1px solid var(--line); padding: 28px 0 40px; font-size: 13px; color: var(--ink-3); }
.foot p { margin: 0; }

/* Narrow screens */
@media (max-width: 960px) {
  .flow-grid { grid-template-columns: 1fr; gap: 28px; }
  .diagram { order: -1; }
  .role-row { grid-template-columns: repeat(2, 1fr); }
  .facts.three { grid-template-columns: 1fr 1fr; }
  .split, .keys .split { grid-template-columns: 1fr; gap: 48px; }
  .keys .archive { order: 2; }
}
@media (max-width: 680px) {
  .nav nav { display: none; }
  .hero { padding: 64px 16px 48px; }
  .wrap { padding: 0 16px; }
  .shot { margin-top: 44px; border-radius: 12px; }
  .shot-title { display: none; }
  .shot-bar { grid-template-columns: 1fr auto; }
  .worlds, .facts, .facts.three, .role-row { grid-template-columns: 1fr; }
  .flow, .agencies, .roles, .remote, .closing { padding: 88px 0; }
  .keys { padding: 10px 0 96px; }
  .diagram { padding: 10px 8px 8px; border-radius: 16px; }
  .steps span { font-size: 13.5px; }
}
@media (prefers-reduced-motion: reduce) {
  .tailnet .link { animation: none; }
  .shot-img img, .shot, .steps button { transition: none; }
}