/* openplanner.nl (ADR 0087). One stylesheet, no framework. Tokens follow the product:
   accent #01689b (NL Design System), the open-slot orange of the mark (ADR 0060), system font.
   Light and dark through light-dark(); motion only when the visitor allows it. */

:root {
  color-scheme: light dark;
  /* The admin portal's tokens (app/web/static/admin.css), so the site and the product match. */
  --accent: light-dark(#01689b, #6cb4ee);
  --accent-strong: light-dark(#004f78, #a5d2f5);
  --accent-subtle: light-dark(#e5f0f6, #15324a);
  --on-accent: light-dark(#ffffff, #0b1a26);
  --slot: light-dark(#d46e00, #f39a3a);          /* --op-brand-slot: graphics only */
  --slot-text: light-dark(#8a5300, #f2b84b);     /* --adm-warning: orange that passes 4.5:1 */
  --slot-subtle: light-dark(#fdf3e1, #33270e);
  --mark-tile: light-dark(#01689b, #6cb4ee);     /* ADR 0060 §3 */
  --mark-slot: light-dark(#ee7f01, #f39a3a);
  --page: light-dark(#ffffff, #111418);
  --tint: light-dark(#f5f6f8, #1a1e23);
  --surface: light-dark(#ffffff, #1a1e23);
  --dark: #111418;
  --dark-surface: #252a31;
  --text: light-dark(#1b1f24, #e8ebef);
  --muted: light-dark(#545d68, #aab3be);
  --border: light-dark(#dde1e6, #343b44);
  --focus: light-dark(#1b1f24, #ffffff);
  --focus-halo: #ffbf47;
  --ok: light-dark(#26703a, #74d08e);
  --radius: 10px;
  --radius-s: 6px;
  --wrap: 72rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --space: clamp(3rem, 8vw, 6rem);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* A host that sets an explicit theme (data-theme) overrides the system preference. */
:root[data-theme="dark"] { color-scheme: dark; }
:root[data-theme="light"] { color-scheme: light; }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font); font-size: 1.0625rem; line-height: 1.55;
  color: var(--text); background: var(--page);
}
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.01em; margin: 0 0 .5em; font-weight: 700; text-wrap: balance; }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.6rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
a { color: var(--accent); text-underline-offset: .15em; }
a:hover { color: var(--accent-strong); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; box-shadow: 0 0 0 5px var(--focus-halo); border-radius: 3px; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }
ul, ol { padding: 0; margin: 0; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 1.25em; height: 1.25em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
#i-github path, #i-bolt path, #i-play path, #i-pause path { fill: currentColor; stroke: none; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 1rem; top: -4rem; padding: .6rem 1rem; background: var(--accent); color: var(--on-accent); border-radius: var(--radius-s); z-index: 100; }
.skip:focus { top: 1rem; }

.wrap { width: min(var(--wrap), 100% - 2 * var(--gutter)); margin-inline: auto; }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); color: var(--muted); max-width: 46rem; }
.eyebrow { font-size: .85rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }
.accent { color: var(--accent); }
.tag { display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--slot-text); margin: 0 0 .4rem; }
.small { font-size: .85rem; color: var(--muted); }
.notice { padding: 1rem 1.25rem; border-left: 4px solid var(--slot); background: var(--slot-subtle); border-radius: var(--radius-s); }

/* Buttons: visible shape, 44 px targets, one primary per group. */
.btn {
  display: inline-flex; align-items: center; gap: .5rem; min-height: 2.75rem; padding: .55rem 1.1rem;
  border: 2px solid var(--accent); border-radius: var(--radius-s); background: var(--surface);
  color: var(--accent); font-weight: 600; text-decoration: none; cursor: pointer;
  transition: background .15s var(--ease), color .15s var(--ease), transform .15s var(--ease);
}
.btn:hover { background: var(--accent-subtle); color: var(--accent-strong); }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); color: var(--on-accent); }
.btn--ghost { border-color: transparent; background: transparent; }
.btn--small { min-height: 2.25rem; padding: .3rem .8rem; font-size: .95rem; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.5rem 0 0; }

/* Header */
.top { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--page) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.top__row { display: flex; align-items: center; gap: 1.5rem; min-height: 4rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--text); text-decoration: none; font-size: 1.2rem; }
.brand__name b { font-weight: 800; }
.top__nav { margin-left: auto; }
.top__nav ul { display: flex; gap: .25rem; list-style: none; }
.top__nav a { display: inline-block; white-space: nowrap; padding: .5rem .6rem; color: var(--text); text-decoration: none; border-radius: var(--radius-s); font-weight: 500; }
.top__nav a:hover { background: var(--accent-subtle); color: var(--accent-strong); }
.top__tools { display: flex; align-items: center; gap: .5rem; }
.lang { padding: .5rem .6rem; font-weight: 600; text-decoration: none; border-radius: var(--radius-s); }
@media (max-width: 76rem) {
  .top__row { flex-wrap: wrap; row-gap: 0; padding-bottom: .25rem; }
  .top__nav { order: 3; flex-basis: 100%; margin: 0; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .top__nav ul { width: max-content; }
  .top__nav a { padding: .4rem .6rem; font-size: .95rem; }
}

/* Sections */
.section { padding-block: var(--space); scroll-margin-top: 6.5rem; }
.section--tint { background: var(--tint); }
.section--dark { background: var(--dark); color: #e9eef3; }
.section--dark .lead { color: #b7c2cc; }
.section--dark a { color: #9ccdf5; }

/* Hero */
.hero { padding-block: clamp(3rem, 9vw, 7rem) var(--space); overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.hero__copy .lead { max-width: 40rem; }
@media (max-width: 56rem) { .hero__grid { grid-template-columns: 1fr; } .hero__art { order: -1; max-width: 14rem; } }

/* The mark: the application's own mark.svg, inline (ADR 0060). Tiles and the open slot take
   the brand tokens; the open slot slides in and settles (ADR 0060 §7), never with reduced motion. */
.mark { display: block; width: 100%; height: auto; overflow: visible; }
.mark g { fill: var(--mark-tile); }
.mark path { fill: var(--mark-slot); }
.brand__mark { display: block; width: 28px; height: 28px; }
.hub__mark { display: block; width: 56px; height: 56px; }
.bigmark { width: min(100%, 22rem); margin-inline: auto; }
.bigmark .mark rect { transform-box: fill-box; transform-origin: center; animation: tile-in .7s var(--ease) both; }
.bigmark .mark rect:nth-child(2) { animation-delay: .05s } .bigmark .mark rect:nth-child(3) { animation-delay: .1s }
.bigmark .mark rect:nth-child(4) { animation-delay: .15s } .bigmark .mark rect:nth-child(5) { animation-delay: .2s }
.bigmark .mark rect:nth-child(6) { animation-delay: .3s } .bigmark .mark rect:nth-child(7) { animation-delay: .35s } .bigmark .mark rect:nth-child(8) { animation-delay: .4s }
.bigmark .mark path { transform-box: fill-box; animation: slot-in 1.4s var(--ease) .6s both; }
@keyframes tile-in { from { transform: scale(.6); } to { transform: none; } }
@keyframes slot-in { 0% { opacity: 0; transform: translateX(-260%); } 60% { opacity: 1; transform: translateX(8%); } 100% { transform: none; } }

.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin: clamp(2.5rem, 6vw, 4rem) 0 0; padding-top: 2rem; border-top: 1px solid var(--border); }
.fact__value { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; letter-spacing: -0.02em; color: var(--accent); margin: 0; }
.fact__label { margin: .25rem 0 0; color: var(--muted); }
@media (max-width: 40rem) { .facts { grid-template-columns: 1fr; gap: 1rem; } }

/* Interactive booking demo: a browser frame around the product's own layout. */
.demo { margin-top: 2rem; }
.demo__frame { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); overflow: hidden; max-width: 46rem; box-shadow: 0 1px 2px rgb(0 0 0 / .06); }
.demo__chrome { display: flex; align-items: center; gap: .4rem; padding: .6rem .9rem; background: var(--tint); border-bottom: 1px solid var(--border); font-size: .8rem; color: var(--muted); }
.demo__chrome span { width: .7rem; height: .7rem; border-radius: 50%; background: var(--border); }
.demo__chrome em { margin-left: .5rem; font-style: normal; font-family: var(--mono); }
.demo__body { padding: 1.25rem; }
.demo__steps { display: flex; gap: .5rem; list-style: none; counter-reset: s; margin-bottom: 1.25rem; font-size: .85rem; }
.demo__steps li { flex: 1; padding: .4rem .6rem; border-bottom: 3px solid var(--border); color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.demo__steps li[aria-current="step"] { border-color: var(--accent); color: var(--text); font-weight: 600; }
.demo__steps li.is-done { border-color: var(--ok); }
.demo__panel h3 { margin-bottom: .75rem; }
.demo__days { display: grid; grid-template-columns: repeat(7, 1fr); gap: .4rem; list-style: none; }
.demo__day, .demo__slot { width: 100%; min-height: 3.25rem; border: 1px solid var(--border); border-radius: var(--radius-s); background: var(--surface); cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .1rem; transition: background .15s, border-color .15s; }
.demo__day:hover, .demo__slot:hover { border-color: var(--accent); background: var(--accent-subtle); }
.demo__day[disabled] { color: var(--muted); cursor: not-allowed; background: var(--tint); }
.demo__day small, .demo__slot small { font-size: .7rem; color: var(--muted); }
.demo__day b { font-size: 1.1rem; }
.demo__day.is-today { border-color: var(--slot); }
.demo__slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(5.5rem, 1fr)); gap: .4rem; list-style: none; }
.demo__slot { min-height: 2.75rem; font-weight: 600; }
.demo__field { display: block; margin-bottom: .9rem; }
.demo__field span { display: block; font-weight: 600; margin-bottom: .25rem; }
.demo__field input { width: 100%; min-height: 2.75rem; padding: .4rem .7rem; border: 1px solid var(--border); border-radius: var(--radius-s); background: var(--page); color: inherit; font: inherit; }
.demo__hp { position: absolute; left: -9999px; }
.demo__summary { padding: .75rem 1rem; background: var(--accent-subtle); border-radius: var(--radius-s); margin-bottom: 1rem; }
.demo__done { display: grid; gap: .5rem; }
.demo__done ul { list-style: none; display: grid; gap: .4rem; margin: .5rem 0 1rem; }
.demo__done li { display: flex; align-items: center; gap: .5rem; padding: .5rem .75rem; background: var(--tint); border-radius: var(--radius-s); animation: rise .5s var(--ease) both; }
.demo__done li:nth-child(2) { animation-delay: .35s } .demo__done li:nth-child(3) { animation-delay: .7s }
.demo__done .icon { color: var(--ok); }
.demo__nav { display: flex; gap: .5rem; justify-content: space-between; margin-top: 1rem; }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* The animated tour: one scene at a time, captions as buttons, autoplay unless reduced motion. */
.tour { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3rem); margin-top: 2rem; align-items: start; }
.tour__tracks { display: grid; gap: 1.5rem; }
.tour__track-title { font-size: .85rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin: 0 0 .6rem; }
.tour__scene { position: sticky; top: 5.5rem; aspect-ratio: 4 / 3; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); overflow: hidden; }
.tour__scene .scene { position: absolute; inset: 0; display: grid; place-items: center; padding: 8%; opacity: 0; transition: opacity .5s var(--ease); }
.scene.is-active { opacity: 1; }
@media (max-width: 56rem) { .tour { grid-template-columns: 1fr; } .tour__scene { position: relative; top: auto; } }
.tour:not(.is-js) .tour__scene { aspect-ratio: auto; display: grid; grid-template-columns: 1fr 1fr; position: static; }
.tour:not(.is-js) .scene { position: static; opacity: 1; aspect-ratio: 4/3; border-bottom: 1px solid var(--border); }
.tour__steps { list-style: none; display: grid; gap: .5rem; }
.tour__pick { display: flex; gap: .9rem; width: 100%; text-align: left; padding: .7rem .9rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); cursor: pointer; transition: border-color .15s, background .15s; }
.tour__pick:hover { border-color: var(--accent); }
.tour__pick[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-subtle); }
.tour__num { flex: none; width: 2rem; height: 2rem; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: var(--on-accent); font-weight: 700; }
.tour__pick[aria-pressed="true"] .tour__num { background: var(--slot); }
.tour__text { display: grid; gap: .15rem; }
.tour__text span { color: var(--muted); font-size: .9rem; display: none; }
.tour__pick[aria-pressed="true"] .tour__text span, .tour:not(.is-js) .tour__text span { display: block; }
.tour__controls { grid-column: 1 / -1; }
.tour__progress { position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: var(--border); }
.tour__progress i { display: block; height: 100%; width: 0; background: var(--slot); }
.is-playing .tour__progress i { animation: progress 6s linear; }
@keyframes progress { from { width: 0 } to { width: 100% } }

/* Scene 1: the booking page in miniature */
.mini { width: min(100%, 20rem); background: var(--page); border: 1px solid var(--border); border-radius: 8px; padding: .7rem; position: relative; display: grid; gap: .6rem; }
.mini__bar { display: flex; gap: .3rem; } .mini__bar i { width: .5rem; height: .5rem; border-radius: 50%; background: var(--border); }
.mini__cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: .25rem; }
.mini__cal b, .mini__times b, .mini__form b { display: block; height: 1rem; border-radius: 3px; background: var(--tint); border: 1px solid var(--border); }
.mini__cal b.mini__busy { background: var(--border); }
.mini__cal b.mini__free { background: var(--slot-subtle); border-color: var(--slot); }
.is-active .mini__cal b.mini__free { animation: pulse 1.2s var(--ease) .4s 2; }
.mini__times { display: grid; grid-template-columns: repeat(4, 1fr); gap: .3rem; }
.mini__times b { height: 1.3rem; }
.is-active .mini__times b.pick { animation: pick 1s var(--ease) 1.8s both; }
.mini__form { display: grid; gap: .3rem; }
.mini__form b { height: 1.2rem; background: var(--page); }
.mini__form .mini__btn { background: var(--accent); border-color: var(--accent); width: 50%; }
.is-active .mini__form .mini__btn { animation: pulse 1s var(--ease) 3.6s 1; }
.cursor { position: absolute; width: 14px; height: 14px; border-radius: 50%; background: var(--slot); opacity: .85; left: 44%; top: 28%; box-shadow: 0 0 0 4px color-mix(in srgb, var(--slot) 30%, transparent); }
.is-active .cursor { animation: cursor 4.4s var(--ease) both; }
@keyframes cursor { 0%, 10% { left: 44%; top: 28%; } 35% { left: 14%; top: 55%; } 60% { left: 14%; top: 55%; } 80% { left: 22%; top: 90%; } 100% { left: 22%; top: 90%; } }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--slot) 50%, transparent); } 100% { box-shadow: 0 0 0 12px transparent; } }
@keyframes pick { from { background: var(--tint); } to { background: var(--accent); border-color: var(--accent); } }

/* Scene 2: the Webex meeting card */
.card--webex { width: min(100%, 18rem); padding: 1.2rem; border-radius: 10px; background: var(--page); border: 1px solid var(--border); display: grid; gap: .6rem; position: relative; }
.card__dot { width: 2.4rem; height: 2.4rem; border-radius: 50%; background: var(--accent); position: relative; }
.card__dot::after { content: ""; position: absolute; inset: 30%; border-radius: 3px; background: var(--on-accent); }
.card__line { display: block; height: .7rem; border-radius: 3px; background: var(--tint); width: 60%; } .card__line--w { width: 85%; }
.card__pill { display: inline-flex; align-items: center; gap: .4rem; padding: .3rem .6rem; border-radius: 999px; background: var(--accent-subtle); color: var(--accent-strong); font-size: .8rem; font-weight: 700; width: max-content; }
.is-active .card__pill { animation: rise .6s var(--ease) .8s both; }
.ics { position: absolute; right: -1rem; bottom: -1rem; width: 4.5rem; padding: .5rem; background: var(--surface); border: 1px solid var(--border); border-radius: 6px; font-family: var(--mono); font-size: .7rem; display: grid; gap: .3rem; transform: rotate(6deg); }
.ics b { display: block; height: .4rem; background: var(--tint); border-radius: 2px; }
.is-active .ics { animation: rise .6s var(--ease) 1.6s both; }

/* Scene 3: the contact-center queue */
.queue { width: min(100%, 18rem); display: grid; gap: .5rem; }
.queue__head { font-size: .8rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); }
.queue__item { height: 2.4rem; border-radius: 6px; background: var(--page); border: 1px solid var(--border); position: relative; }
.queue__item::before { content: ""; position: absolute; left: .6rem; top: .8rem; width: 45%; height: .6rem; background: var(--tint); border-radius: 3px; }
.queue__item--new { border-color: var(--slot); background: var(--slot-subtle); }
.is-active .queue__item--new { animation: drop .8s var(--ease) .5s both; }
.badge { position: absolute; right: .5rem; top: .5rem; font-size: .7rem; font-weight: 800; color: var(--on-accent); background: var(--slot); padding: .1rem .4rem; border-radius: 4px; font-family: var(--mono); }
@keyframes drop { from { opacity: 0; transform: translateY(-2rem); } to { opacity: 1; transform: none; } }

/* Scene 4: the call */
.call { width: min(100%, 20rem); display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; position: relative; padding-bottom: 2.6rem; }
.call__tile { aspect-ratio: 4 / 3; border-radius: 8px; background: var(--dark-surface); display: grid; place-items: center; position: relative; }
.avatar { width: 2.6rem; height: 2.6rem; border-radius: 50%; background: var(--accent); }
.avatar--p { background: var(--slot); }
.label { position: absolute; left: .5rem; bottom: .4rem; color: #fff; font-size: .75rem; font-weight: 600; }
.is-active .call__tile--agent { animation: rise .5s var(--ease) .4s both; }
.call__bar { position: absolute; left: 0; right: 0; bottom: 0; height: 2.2rem; border-radius: 999px; background: var(--dark); display: flex; align-items: center; justify-content: center; }
.purge { display: inline-flex; align-items: center; gap: .3rem; color: #9ccdf5; font-size: .8rem; font-weight: 700; }
.is-active .purge { animation: rise .5s var(--ease) 1.4s both; }

/* Recorded walkthrough slot */
.video { margin-top: 3rem; }
.video > :not(.screens) { max-width: 46rem; }
/* The real screens: stills from the recording, in the order of the story */
.screens { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 17rem), 1fr)); gap: 1.25rem; margin-top: 1rem; }
.screens figure { margin: 0; }
.screens a { display: block; border-radius: var(--radius); }
.screens img { display: block; width: 100%; height: auto; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.screens figcaption { display: flex; gap: .55rem; align-items: baseline; margin-top: .55rem; font-size: .9rem; color: var(--muted); }
.screens__num { flex: none; display: inline-grid; place-items: center; min-width: 1.5rem; height: 1.5rem; border-radius: 50%; background: var(--accent-subtle); color: var(--accent-strong); font-size: .8rem; font-weight: 600; }
.video video { width: 100%; height: auto; border-radius: var(--radius); border: 1px solid var(--border); background: #000; }
.video__placeholder { display: inline-flex; align-items: center; gap: .5rem; padding: .6rem 1rem; border: 1px dashed var(--border); border-radius: var(--radius-s); color: var(--muted); }

/* How it works: numbered, horizontal */
.steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; counter-reset: step; }
.step { position: relative; padding-top: 1rem; border-top: 3px solid var(--accent); }
.step__num { position: absolute; top: -1.1rem; left: 0; width: 2rem; height: 2rem; display: grid; place-items: center; border-radius: 50%; background: var(--accent); color: var(--on-accent); font-weight: 700; }
.step h3 { margin-top: 1rem; }
@media (max-width: 48rem) { .steps { grid-template-columns: 1fr; } }

/* Features and open source: a ruled list, not shadow cards */
.cards { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 3rem; margin-top: 2rem; }
.cards--4 { grid-template-columns: repeat(2, 1fr); }
.card { padding: 1.4rem 0; border-top: 1px solid var(--border); }
.card__icon { width: 1.6rem; height: 1.6rem; color: var(--slot); margin-bottom: .6rem; }
.card p { margin: 0; color: var(--muted); }
@media (max-width: 48rem) { .cards, .cards--4 { grid-template-columns: 1fr; } }

/* Integration hub: the product in the middle, six systems around it */
.hub { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: auto auto auto; gap: 1.25rem; margin-top: 2.5rem; }
.hub__lines { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hub__lines path { fill: none; stroke: var(--border); stroke-width: 2; vector-effect: non-scaling-stroke; stroke-dasharray: 6 6; }
.hub__center { grid-column: 2; grid-row: 2; align-self: center; justify-self: center; display: grid; justify-items: center; gap: .5rem; padding: 1.5rem; border-radius: 50%; aspect-ratio: 1; min-width: 11rem; background: var(--surface); border: 3px solid var(--accent); font-size: 1.1rem; position: relative; z-index: 1; place-content: center; }
.hub__node { position: relative; z-index: 1; padding: 1.1rem 1.2rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.hub__node p { margin: 0 0 .5rem; color: var(--muted); font-size: .95rem; }
.hub__node p.tag { margin-bottom: .3rem; }
.hub__node--meetings { grid-column: 1; grid-row: 1; border-color: var(--accent); border-width: 2px; }
.hub__node--meetings .tag { color: var(--accent); }
.hub__node--wxcc { grid-column: 2; grid-row: 1; }
.hub__node--messaging { grid-column: 3; grid-row: 1; }
.hub__node--idp { grid-column: 1; grid-row: 3; }
.hub__node--mail { grid-column: 2; grid-row: 3; }
.hub__node--bot { grid-column: 3; grid-row: 3; }
.hub__node--idp, .hub__node--mail, .hub__node--bot { align-self: end; }
@media (max-width: 56rem) {
  .hub { grid-template-columns: 1fr; grid-template-rows: none; }
  .hub__lines { display: none; }
  .hub__center { grid-column: 1; grid-row: auto; }
  .hub__node { grid-column: 1 !important; grid-row: auto !important; }
  .hub__node--meetings { order: -1; }
}
.roadmap { margin-top: 2rem; padding: 1.25rem 1.5rem; border-left: 4px solid var(--slot); background: var(--slot-subtle); border-radius: var(--radius-s); }
.roadmap h3 { margin-bottom: .3rem; } .roadmap p { margin: 0; }

/* Enterprise: dark, two columns, numbered rules */
.grid2 { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem 3rem; margin-top: 2rem; }
.grid2 li { padding-top: 1rem; border-top: 1px solid #2c3741; }
.grid2 h3, .grid2 h4 { color: #fff; margin: 0 0 .4rem; font-size: 1.05rem; } .grid2 p { color: #b7c2cc; margin: 0; }
@media (max-width: 48rem) { .grid2 { grid-template-columns: 1fr; } }

/* Releases */
.release-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; margin-top: 2rem; }
.release { padding: 1.25rem 1.5rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.release--latest { border-color: var(--accent); border-width: 2px; }
.release__version { font-size: 1.8rem; font-weight: 800; font-family: var(--mono); margin: 0; }
.release__version a { text-decoration: none; }
.release__date { color: var(--muted); margin: 0; }
.release-list { list-style: none; margin-top: 1.25rem; display: grid; gap: .3rem; font-family: var(--mono); font-size: .95rem; }
.release-list li { display: flex; gap: 1rem; align-items: baseline; padding: .4rem 0; border-top: 1px solid var(--border); }
.release-list time { color: var(--muted); }
.release-list .tag { font-family: var(--font); margin: 0; }
@media (max-width: 40rem) { .release-grid { grid-template-columns: 1fr; } }

/* Closing call */
.cta__box { padding: clamp(2rem, 5vw, 3.5rem); border-radius: var(--radius); background: var(--accent); color: var(--on-accent); }
.cta__box h2, .cta__box p { color: inherit; }
.cta__box .btn--primary { background: var(--on-accent); color: var(--accent-strong); border-color: var(--on-accent); }
.cta__box .btn { border-color: var(--on-accent); color: var(--on-accent); background: transparent; }
.cta__box .btn:hover { background: rgb(255 255 255 / .15); }

/* Footer */
.foot { padding: 3rem 0; border-top: 1px solid var(--border); font-size: .95rem; color: var(--muted); }
.foot__grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem; }
.foot__links { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; align-content: start; }
.foot__legal { grid-column: 1 / -1; font-size: .85rem; }
@media (max-width: 40rem) { .foot__grid { grid-template-columns: 1fr; } }

/* Reveal on scroll: a CSS scroll-driven animation, so it needs no script and never hides
   content where the browser lacks it (the fallback is: shown). */
@supports (animation-timeline: view()) {
  .reveal { animation: reveal linear both; animation-timeline: view(); animation-range: entry 0% entry 35%; }
}
@keyframes reveal { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .is-js .reveal { opacity: 1; transform: none; }
}
@media (prefers-contrast: more) {
  :root { --border: light-dark(#5a6670, #8a98a5); --muted: light-dark(#333, #d0d8e0); }
  .btn { border-width: 3px; }
}

/* Tour, more scenes: shared pieces */
.mini__line { display: block; height: .6rem; border-radius: 3px; background: var(--tint); width: 60%; }
.mini__line--w { width: 85%; } .mini__line--s { width: 40%; }
.mini--direct, .mini--manage { gap: .8rem; }
.direct__btn { display: inline-flex; align-items: center; gap: .4rem; width: max-content; padding: .5rem .9rem; border-radius: 6px; background: var(--slot); color: #fff; font-weight: 700; font-size: .9rem; }
.direct__wait { font-size: .8rem; color: var(--muted); }
.is-active .direct__btn { animation: pulse 1s var(--ease) 1.2s 2; }
.cursor--direct { left: 30%; top: 62%; }
.is-active .cursor--direct { animation: cursor-direct 2.4s var(--ease) both; }
@keyframes cursor-direct { 0% { left: 70%; top: 30%; opacity: 0; } 40%, 100% { left: 30%; top: 62%; opacity: .85; } }

.mail { width: min(100%, 20rem); background: var(--page); border: 1px solid var(--border); border-radius: 8px; padding: .9rem; display: grid; gap: .55rem; }
.is-active .mail { animation: rise .6s var(--ease) both; }
.mail__head { display: flex; align-items: center; gap: .5rem; }
.mail__dot { width: 1.2rem; height: 1.2rem; border-radius: 50%; background: var(--accent); }
.mail__from { display: block; height: .6rem; width: 40%; background: var(--tint); border-radius: 3px; }
.mail__subject { font-weight: 700; font-size: .95rem; }
.mail__row { display: flex; align-items: center; gap: .6rem; margin-top: .3rem; }
.mail__btn { padding: .35rem .7rem; border-radius: 5px; background: var(--accent); color: #fff; font-size: .8rem; font-weight: 600; }
.ics--inline { position: static; transform: none; width: auto; padding: .3rem .5rem; display: inline-flex; gap: .3rem; align-items: center; }
.is-active .mail__row { animation: rise .5s var(--ease) .8s both; }

.manage__btns { display: flex; gap: .5rem; }
.manage__btn { padding: .4rem .8rem; border-radius: 5px; border: 2px solid var(--accent); color: var(--accent); font-size: .85rem; font-weight: 600; }
.manage__btn--primary { background: var(--accent); color: #fff; }
.is-active .mini__times--manage b.pick { animation: pick 1s var(--ease) 2s both; }
.cursor--manage { left: 20%; top: 50%; }
.is-active .cursor--manage { animation: cursor-manage 3s var(--ease) both; }
@keyframes cursor-manage { 0% { left: 20%; top: 50%; } 30% { left: 20%; top: 50%; } 70%, 100% { left: 40%; top: 86%; } }

.trial { width: min(100%, 20rem); display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.trial__tile { aspect-ratio: 4 / 3; border-radius: 8px; background: var(--dark-surface); display: grid; place-items: center; position: relative; }
.trial__cam { width: 2.4rem; height: 1.7rem; border-radius: 5px; background: var(--accent); }
.trial__mic { width: 1.2rem; height: 2rem; border-radius: 999px; background: var(--accent); }
.trial__label { position: absolute; left: .5rem; bottom: .4rem; color: #fff; font-size: .75rem; font-weight: 600; }
.trial__ok { position: absolute; right: .4rem; top: .4rem; width: 1.5rem; height: 1.5rem; border-radius: 50%; background: var(--ok); color: #fff; display: grid; place-items: center; opacity: 0; }
.is-active .trial__tile:first-child .trial__ok { animation: rise .4s var(--ease) .8s both; }
.is-active .trial__tile:nth-child(2) .trial__ok { animation: rise .4s var(--ease) 1.6s both; }
.trial__pill { grid-column: 1 / -1; justify-self: center; opacity: 0; }
.is-active .trial__pill { animation: rise .5s var(--ease) 2.4s both; }

.call--join { grid-template-columns: 1fr 1fr; }
.call__tile--wide { grid-column: 1 / -1; aspect-ratio: auto; min-height: 3rem; background: var(--page); border: 1px solid var(--border); }
.join__btn { padding: .4rem .8rem; border-radius: 5px; background: var(--accent); color: #fff; font-size: .8rem; font-weight: 600; }
.is-active .join__btn { animation: pulse 1s var(--ease) .6s 1; }
.is-active .call__tile--p { animation: rise .5s var(--ease) 1.4s both; }
.call--join .call__tile--agent { opacity: 0; }
.is-active.scene .call--join .call__tile--agent { animation: rise .5s var(--ease) 2.8s both; }

.portal { width: min(100%, 20rem); display: grid; grid-template-columns: 2.4rem 1fr; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--page); }
.portal__side { background: var(--accent); padding: .6rem .5rem; display: grid; gap: .4rem; align-content: start; }
.portal__side i { display: block; height: .5rem; border-radius: 2px; background: rgb(255 255 255 / .5); }
.portal__main { padding: .7rem; display: grid; gap: .4rem; }
.portal__row { display: flex; align-items: center; gap: .5rem; padding: .35rem .5rem; border: 1px solid var(--border); border-radius: 5px; font-size: .8rem; font-weight: 600; }
.portal__row img { width: 14px; height: 14px; opacity: .7; }
.is-active .portal__row:nth-child(1) { animation: rise .4s var(--ease) .2s both; }
.is-active .portal__row:nth-child(2) { animation: rise .4s var(--ease) .5s both; }
.is-active .portal__row:nth-child(3) { animation: rise .4s var(--ease) .8s both; }
.portal__roles { display: flex; flex-wrap: wrap; gap: .3rem; margin-top: .3rem; }
.chip { font-size: .68rem; font-weight: 700; padding: .15rem .45rem; border-radius: 999px; background: var(--accent-subtle); color: var(--accent-strong); }
.is-active .portal__roles { animation: rise .5s var(--ease) 1.3s both; }

.groups { width: min(100%, 20rem); display: grid; gap: .5rem; }
.group { display: grid; gap: .25rem; padding: .6rem .8rem; border: 1px solid var(--border); border-radius: 8px; background: var(--page); }
.group .tag { margin: 0; font-size: .65rem; }
.group strong { font-size: .95rem; }
.group__meta { font-size: .75rem; color: var(--muted); }
.is-active .group:nth-child(1) { animation: rise .4s var(--ease) .2s both; }
.is-active .group:nth-child(2) { animation: rise .4s var(--ease) .6s both; }
.is-active .group:nth-child(3) { animation: rise .4s var(--ease) 1s both; }

.week { width: min(100%, 20rem); display: grid; grid-template-columns: repeat(5, 1fr); gap: .35rem; }
.week__day { display: grid; gap: .3rem; align-content: start; }
.week__name { font-size: .7rem; font-weight: 700; color: var(--muted); text-align: center; }
.block { display: block; border-radius: 4px; background: var(--accent); height: 2.2rem; opacity: .85; transform-origin: top; }
.block--2 { height: 3rem; } .block--3 { height: 1.6rem; } .block--4 { height: 2.6rem; } .block--5 { height: 1.2rem; }
.block--b1, .block--b3, .block--b5 { background: var(--slot); height: 1.4rem; } .block--b2 { height: 1rem; background: var(--slot); } .block--b4 { display: none; }
.is-active .block { animation: grow .6s var(--ease) both; }
.is-active .week__day:nth-child(2) .block { animation-delay: .15s } .is-active .week__day:nth-child(3) .block { animation-delay: .3s }
.is-active .week__day:nth-child(4) .block { animation-delay: .45s } .is-active .week__day:nth-child(5) .block { animation-delay: .6s }
@keyframes grow { from { transform: scaleY(0); } to { transform: none; } }

.agenda { width: min(100%, 20rem); display: grid; gap: .4rem; }
.agenda__row { display: grid; grid-template-columns: 3rem 1fr auto; align-items: center; gap: .6rem; padding: .45rem .6rem; border: 1px solid var(--border); border-radius: 6px; background: var(--page); font-size: .8rem; }
.agenda__time { font-family: var(--mono); font-weight: 700; }
.pill { font-size: .68rem; font-weight: 700; padding: .15rem .5rem; border-radius: 999px; background: var(--tint); color: var(--muted); }
.pill--2 { background: var(--accent-subtle); color: var(--accent-strong); }
.pill--3 { background: var(--slot-subtle); color: var(--slot-text); }
.pill--4 { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.is-active .agenda__row--3 { animation: pulse 1.2s var(--ease) .8s 2; }

.queue__kinds { display: flex; gap: .3rem; margin-bottom: .2rem; }
.queue__kind { font-size: .7rem; font-weight: 700; padding: .2rem .55rem; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }
.queue__kind.is-on { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Standards: a real table, status in form as well as words */
.table-scroll { overflow-x: auto; margin-top: 2rem; border: 1px solid var(--border); border-radius: var(--radius); }
.standards { width: 100%; border-collapse: collapse; font-size: .95rem; min-width: 44rem; }
.standards th, .standards td { text-align: left; vertical-align: top; padding: .8rem 1rem; border-bottom: 1px solid var(--border); }
.standards thead th { font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); background: var(--tint); }
.standards tbody tr:last-child th, .standards tbody tr:last-child td { border-bottom: 0; }
.standards tbody th { font-weight: 700; width: 22%; }
.standards td:nth-child(2) { color: var(--muted); }
.standards td:nth-child(3) { white-space: nowrap; }
.status { display: inline-flex; align-items: center; gap: .4rem; font-size: .8rem; font-weight: 700; padding: .2rem .6rem; border-radius: 999px; border: 1px solid currentColor; }
.status__dot { width: .5rem; height: .5rem; border-radius: 50%; background: currentColor; }
.status--ci { color: var(--ok); }
.status--built { color: var(--accent); }
.status--partly { color: var(--slot-text); }
.status--planned { color: var(--muted); }
.status--planned .status__dot { background: transparent; border: 2px solid currentColor; }
.status--partly .status__dot { background: linear-gradient(90deg, currentColor 50%, transparent 50%); border: 1px solid currentColor; }
.twocol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 3rem; margin-top: 2.5rem; }
@media (max-width: 48rem) { .twocol { grid-template-columns: 1fr; } }
.ticks { list-style: none; display: grid; gap: .55rem; }
.ticks li { position: relative; padding-left: 1.6rem; color: var(--muted); }
.ticks li::before { content: ""; position: absolute; left: 0; top: .35em; width: .9rem; height: .9rem; border-radius: 3px; background: var(--accent-subtle); border: 2px solid var(--accent); }

/* Roadmap from the GitHub issues */
.roadmap-list { list-style: none; margin-top: 1.25rem; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 2.5rem; }
.roadmap-list li { display: grid; grid-template-columns: 5.5rem minmax(0, 1fr) auto; gap: .75rem; align-items: baseline; padding: .6rem 0; border-top: 1px solid var(--border); }
.roadmap-list__adr { font-family: var(--mono); font-weight: 700; font-size: .9rem; text-decoration: none; }
.roadmap-list__title { min-width: 0; }
.roadmap-list__steps { font-size: .8rem; font-weight: 700; white-space: nowrap; color: var(--slot-text); }
@media (max-width: 56rem) { .roadmap-list { grid-template-columns: 1fr; } }
@media (max-width: 30rem) { .roadmap-list li { grid-template-columns: 1fr auto; } .roadmap-list__title { grid-column: 1 / -1; grid-row: 2; } }

/* Enterprise: architecture plate, pillars, scaling steps (on the dark band) */
.section--dark .small { color: #b7c2cc; }
.sub { font-size: 1.25rem; margin: 3rem 0 1rem; color: #fff; }
.arch { margin: 0; display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 1.25rem; }
.arch figcaption { grid-column: 1 / -1; font-size: .9rem; color: #b7c2cc; }
.arch__layers { display: grid; gap: .4rem; }
.arch__layer { border: 1px solid #2c3741; border-radius: var(--radius); padding: .9rem 1rem; background: #1a1e23; }
.arch__layer h4, .arch__ports h4 { margin: 0 0 .55rem; font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; color: #9fb0bf; }
.arch__layer ul { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; }
.arch__layer li { padding: .3rem .65rem; border-radius: var(--radius-s); background: #252a31; color: #e8ebef; font-size: .9rem; }
.arch__layer--3 { border-color: #6cb4ee; }
.arch__layer--3 li { background: #15324a; }
.arch__note { margin: .6rem 0 0; font-size: .82rem; color: #9ccdf5; }
.arch__arrow { justify-self: center; width: 2px; height: 1.1rem; background: #6cb4ee; position: relative; }
.arch__arrow::after { content: ""; position: absolute; left: -5px; bottom: -2px; border: 6px solid transparent; border-top-color: #6cb4ee; border-bottom: 0; }
.arch__ports { border: 1px solid #2c3741; border-radius: var(--radius); padding: .9rem 1rem; background: #1a1e23; }
.arch__ports ul { list-style: none; display: grid; gap: .5rem; }
.arch__ports li { display: grid; grid-template-columns: minmax(0, auto) 1.2rem minmax(0, 1fr); align-items: center; gap: .5rem; font-size: .88rem; color: #e8ebef; }
.arch__ports code { font-family: var(--mono); font-size: .8rem; color: #9ccdf5; overflow-wrap: anywhere; }
.arch__plug { height: 2px; background: #f39a3a; position: relative; }
.arch__plug::after { content: ""; position: absolute; right: -2px; top: -3px; width: 8px; height: 8px; border-radius: 2px; background: #f39a3a; }
@media (max-width: 56rem) { .arch { grid-template-columns: 1fr; } }

/* Architecture plate: who uses it, the server, the systems around it (on the dark band) */
.plate { margin: 0 0 3rem; }
.plate__grid { display: grid; grid-template-columns: minmax(0, 1fr) 4.5rem minmax(0, 1.15fr) 4.5rem minmax(0, 1fr); align-items: center; }
.plate__col h4 { margin: 0 0 .6rem; font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; color: #9fb0bf; }
.plate__col ul { list-style: none; display: grid; gap: .45rem; }
.plate__node { display: grid; gap: .1rem; padding: .55rem .75rem; border: 1px solid #2c3741; border-radius: var(--radius-s); background: #1a1e23; }
.plate__node strong { color: #e8ebef; font-size: .95rem; }
.plate__node span { color: #b7c2cc; font-size: .82rem; }
.plate__host { padding: 1rem; border: 2px solid #6cb4ee; border-radius: var(--radius); background: #15202b; }
.plate__host .plate__node { background: #15324a; border-color: #2b5577; }
.plate__node--db { border-left: 4px solid #f39a3a; }
.plate__node--planned { border-style: dashed; }
.plate__badge { justify-self: start; margin-top: .2rem; padding: .05rem .45rem; border-radius: 999px; border: 1px solid #f2b84b; color: #f2b84b; font-size: .72rem; font-style: normal; }
.plate__note { margin: .7rem 0 0; font-size: .82rem; color: #9ccdf5; }
.plate__link { position: relative; align-self: center; height: 2px; margin: 0 .35rem; background: #6cb4ee; }
.plate__link--out { background: #f39a3a; }
.plate__link::after { content: ""; position: absolute; right: -2px; top: -5px; border-top: 6px solid transparent; border-bottom: 6px solid transparent; border-left: 8px solid #6cb4ee; }
.plate__link--out::after { border-left-color: #f39a3a; }
.plate__link span { position: absolute; left: 50%; bottom: .45rem; transform: translateX(-50%); font-family: var(--mono); font-size: .7rem; color: #b7c2cc; white-space: nowrap; }
.plate figcaption { margin-top: 1.5rem; display: grid; gap: .6rem; font-size: .92rem; color: #b7c2cc; }
.plate figcaption h4 { margin: 0; font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; color: #9fb0bf; }
.plate__flows { display: grid; gap: .35rem; padding-left: 1.4rem; color: #e8ebef; }
@media (max-width: 56rem) {
  .plate__grid { grid-template-columns: minmax(0, 1fr); }
  .plate__link { justify-self: center; width: 2px; height: 2.4rem; margin: .5rem 0; }
  .plate__link::after { right: auto; top: auto; left: -5px; bottom: -2px; border: 0; border-left: 6px solid transparent; border-right: 6px solid transparent; border-top: 8px solid #6cb4ee; }
  .plate__link--out::after { border-top-color: #f39a3a; }
  .plate__link span { left: 1rem; bottom: 50%; transform: translateY(50%); }
}
.pillars { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.25rem 2rem; margin-top: 2rem; }
.pillars li { padding-top: .9rem; border-top: 2px solid #6cb4ee; }
.pillars h4 { margin: 0 0 .4rem; color: #fff; font-size: 1rem; }
.pillars p { margin: 0; color: #b7c2cc; font-size: .95rem; }
@media (max-width: 64rem) { .pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 36rem) { .pillars { grid-template-columns: 1fr; } }
.scale { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.scale__step { padding: 1rem 1.1rem; border-radius: var(--radius); background: #1a1e23; border: 1px solid #2c3741; }
.scale__step--designed { border-style: dashed; border-color: #f39a3a; background: transparent; }
.scale__step h4 { margin: .5rem 0 .4rem; color: #fff; font-size: 1rem; }
.scale__step p { margin: 0; color: #b7c2cc; font-size: .93rem; }
.scale__state { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; padding: .15rem .55rem; border-radius: 999px; background: #14301d; color: #74d08e; }
.scale__step--designed .scale__state { background: #33270e; color: #f2b84b; }
@media (max-width: 56rem) { .scale { grid-template-columns: 1fr; } }