@font-face {
  font-family: "Mona Sans";
  font-style: normal;
  font-weight: 200 900;
  font-stretch: 75% 125%;
  font-display: swap;
  src: url(/assets/fonts/mona-sans-latin-ext.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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Mona Sans";
  font-style: normal;
  font-weight: 200 900;
  font-stretch: 75% 125%;
  font-display: swap;
  src: url(/assets/fonts/mona-sans-latin.woff2) format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --paper: #eef1f1;
  --sheet: #f7f9f9;
  --ink: #000;
  --text: #22282c;
  --muted: #5d676c;
  --rule: #c3cbce;
  --rule-soft: #d9dfe1;
  --signal: #d12a1f;
  --wrap: 1320px;
  --gut: clamp(20px, 4vw, 48px);
  --font: "Mona Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  interpolate-size: allow-keywords;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.125rem;
  line-height: 1.55;
  font-stretch: 100%;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

::selection { background: var(--ink); color: var(--paper); }

h1, h2, h3, p, dl, dd, ol, figure { margin: 0; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 1px; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut); }

.skip {
  position: absolute; left: var(--gut); top: -100px; z-index: 10;
  background: var(--ink); color: var(--paper); padding: 10px 16px; text-decoration: none;
}
.skip:focus { top: 12px; }

/* ---------- type ---------- */
h1, h2 {
  color: var(--ink);
  font-stretch: 125%;
  font-weight: 680;
  letter-spacing: -.012em;
  line-height: 1.02;
  text-wrap: balance;
}
h1 { font-size: clamp(2.625rem, 5.4vw, 4.5rem); }
h2 { font-size: clamp(2rem, 3.6vw, 3rem); }
h3 {
  color: var(--ink);
  font-size: 1.3125rem;
  font-stretch: 112%;
  font-weight: 640;
  line-height: 1.25;
  letter-spacing: -.005em;
}

/* ---------- header ---------- */
.site-head {
  display: flex; align-items: center; justify-content: space-between; gap: 16px 32px;
  padding-block: 26px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand-mark { width: 26px; height: 32px; }
.brand-name { font-size: 1.0625rem; font-stretch: 125%; font-weight: 760; letter-spacing: .015em; line-height: 1; }
.brand-name span { font-stretch: 100%; font-weight: 420; letter-spacing: 0; color: var(--muted); margin-left: .2em; }
.site-nav { display: flex; gap: 28px; font-size: .9375rem; font-weight: 520; }
.site-nav a { text-decoration: none; color: var(--text); }
.site-nav a:hover { text-decoration: underline; text-decoration-thickness: 1px; }
.site-nav .lang { padding-left: 20px; border-left: 1px solid var(--rule); font-weight: 650; color: var(--ink); }

/* ---------- buttons: the D shape, square left and round right ---------- */
.btn {
  display: inline-flex; align-items: center; min-height: 48px; padding: 0 26px 0 20px;
  border: 1.5px solid var(--ink); border-radius: 0 999px 999px 0;
  font-size: 1rem; font-weight: 620; font-stretch: 106%; line-height: 1; text-decoration: none;
  transition: background-color .15s ease, color .15s ease;
}
.btn-solid { background: var(--ink); color: var(--paper); }
.btn-solid:hover { background: #2a3135; border-color: #2a3135; }
.btn-quiet { background: transparent; color: var(--ink); }
.btn-quiet:hover { background: var(--ink); color: var(--paper); }

/* ---------- hero ---------- */
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 32px 56px;
  align-items: end; padding-top: clamp(32px, 4.5vw, 72px); padding-bottom: clamp(32px, 3.6vw, 52px);
}
.lede { font-size: 1.1875rem; line-height: 1.5; max-width: 38ch; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.fov { position: relative; }
.fov-canvas {
  display: block; width: 100%; height: clamp(340px, 34vw, 480px);
  background: var(--sheet);
  border-block: 1px solid var(--rule);
  cursor: crosshair; touch-action: pan-y;
}
.fov-readout {
  position: absolute; top: 16px; left: var(--gut);
  font-size: .875rem; line-height: 1.45; color: var(--muted);
  font-variant-numeric: tabular-nums; pointer-events: none;
}
.fov-num { color: var(--ink); font-weight: 650; }
.fov-readout .is-alarm .fov-num { color: var(--signal); }
.fov-num.is-bump { animation: bump .6s ease-out; }
@keyframes bump { 0% { background: var(--signal); color: #fff; } 100% { background: transparent; } }
.fov-caption {
  display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 12px 48px; align-items: start;
  padding-top: 18px; font-size: .875rem; line-height: 1.5; color: var(--muted);
}
.fov-caption-body { display: grid; gap: 8px; max-width: 78ch; padding-top: 4px; }
.fov-hint { color: var(--text); font-weight: 560; }
.fov-side { width: 300px; height: auto; overflow: visible; }
.fov-side .ray { stroke: rgba(0, 0, 0, .5); stroke-width: 1; fill: none; }
.fov-side .axis { stroke: rgba(0, 0, 0, .4); stroke-width: 1; stroke-dasharray: 3 3; fill: none; }
.fov-side .ref { stroke: rgba(0, 0, 0, .45); stroke-width: 1; stroke-dasharray: 2 2; fill: none; }
.fov-side .ground { stroke: var(--rule); stroke-width: 1; }
.fov-side .mast { stroke: var(--ink); stroke-width: 2.5; }
.fov-side .dim { stroke: var(--muted); stroke-width: 1; fill: none; }
.fov-side g rect { fill: var(--ink); }
.fov-side text { font: 500 10.5px var(--font); fill: var(--muted); font-variant-numeric: tabular-nums; }
.fov-side text.em { fill: var(--ink); font-weight: 640; }
.fov-hint-touch { display: none; }
@media (hover: none) {
  .fov-hint-pointer { display: none; }
  .fov-hint-touch { display: inline; }
}

/* ---------- blocks ---------- */
.block { padding-block: clamp(80px, 10vw, 144px) 0; }
.block-head {
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 20px 56px;
  align-items: end; margin-bottom: clamp(40px, 5vw, 64px);
}
.block-head p { color: var(--muted); max-width: 44ch; }

/* ---------- pipeline ---------- */
.pipe-zones {
  display: grid; grid-template-columns: 1fr 4fr 1fr; gap: 24px; margin-bottom: 18px;
  font-size: .8125rem; font-weight: 600; color: var(--muted);
}
.pipe-zone { position: relative; padding-bottom: 12px; }
.pipe-zone::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 7px;
  border: 1px dashed var(--rule); border-top: 0;
}
.pipe-zone-in { color: var(--ink); }
.pipe-zone-in::after { border: 2px solid var(--ink); border-top: 0; }

.pipe-steps {
  list-style: none; padding: 0; counter-reset: step;
  display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 24px;
}
.pipe-step { counter-increment: step; }
.pipe-step::before {
  content: counter(step);
  display: grid; place-items: center; width: 30px; height: 30px; margin-bottom: 18px;
  border: 1px solid var(--rule); border-radius: 50%;
  font-size: .8125rem; font-weight: 650; font-variant-numeric: tabular-nums; color: var(--muted);
}
.pipe-step.is-device::before { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.pipe-step h3 { font-size: 1.0625rem; font-stretch: 108%; margin-bottom: 8px; }
.pipe-step p { font-size: .9375rem; line-height: 1.5; color: var(--text); }

/* ---------- areas ---------- */
.areas { border-top: 2px solid var(--ink); }
.area { border-bottom: 1px solid var(--rule); }
.area > summary {
  display: grid;
  grid-template-columns: minmax(0, 4.5fr) minmax(0, 7fr) 24px;
  grid-template-areas: "name lead icon";
  column-gap: 32px; row-gap: 6px; align-items: start;
  padding-block: 28px; cursor: pointer; list-style: none;
}
.area > summary::-webkit-details-marker { display: none; }
.area-name { grid-area: name; color: var(--ink); font-size: 1.5rem; font-stretch: 118%; font-weight: 650; line-height: 1.15; letter-spacing: -.008em; }
.area-lead { grid-area: lead; font-size: 1.0625rem; max-width: 58ch; padding-top: 2px; }
.area > summary::after {
  content: ""; grid-area: icon; width: 18px; height: 18px; margin-top: 5px;
  background:
    linear-gradient(var(--ink), var(--ink)) center / 100% 2px no-repeat,
    linear-gradient(var(--ink), var(--ink)) center / 2px 100% no-repeat;
  transition: transform .25s ease;
}
.area[open] > summary::after { transform: rotate(45deg); }
.area > summary:hover .area-name { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: .18em; }

@media (prefers-reduced-motion: no-preference) {
  .area::details-content {
    block-size: 0; overflow: hidden;
    transition: block-size .35s cubic-bezier(.2, .7, .2, 1), content-visibility .35s allow-discrete;
  }
  .area[open]::details-content { block-size: auto; }
}

.area-body {
  display: grid; grid-template-columns: minmax(0, 4.5fr) minmax(0, 7fr) 24px; column-gap: 32px;
  padding-bottom: 40px;
}
.area-body > .specs { grid-column: 2; }
.area-body-media > :first-child { grid-column: 1; }
.area-body-media > .area-media { grid-column: 2; }
.area-media img { width: 100%; border: 1px solid var(--rule); }

.specs > div {
  display: grid; grid-template-columns: 10rem minmax(0, 1fr); gap: 4px 24px;
  padding-block: 12px; border-top: 1px solid var(--rule-soft);
}
.specs > div:last-child { border-bottom: 1px solid var(--rule-soft); }
.specs dt { font-size: .875rem; font-weight: 620; color: var(--ink); padding-top: 2px; }
.specs dd { font-size: .9375rem; line-height: 1.5; }
.area-body-media .specs > div { grid-template-columns: minmax(0, 1fr); }
.area-link { margin-top: 20px; font-weight: 620; }

/* ---------- rules ---------- */
.rules { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 48px 56px; }
.rule { border-top: 1px solid var(--rule); padding-top: 22px; }
.rule h3 { margin-bottom: 10px; }
.rule p { max-width: 50ch; }

/* ---------- firm ---------- */
.firm { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 40px 56px; align-items: start; }
.firm h2 { margin-bottom: 24px; }
.firm-lede { font-size: 1.1875rem; line-height: 1.5; max-width: 46ch; }
.facts > div { border-top: 2px solid var(--ink); padding-block: 16px 28px; }
.facts dt { font-size: .875rem; font-weight: 620; color: var(--muted); margin-bottom: 6px; }
.facts dd { color: var(--ink); }
.facts-code { display: block; font-size: clamp(2.5rem, 4.4vw, 3.5rem); font-stretch: 125%; font-weight: 720; letter-spacing: .04em; line-height: 1; }
.facts-note { display: block; margin-top: 12px; font-size: .875rem; color: var(--muted); max-width: 40ch; }

/* ---------- contact ---------- */
.contact { padding-bottom: clamp(96px, 12vw, 168px); }
.contact h2 { margin-bottom: 16px; }
.contact-lede { color: var(--muted); max-width: 52ch; }
.contact-mail { margin-top: clamp(28px, 4vw, 48px); }
.contact-mail a {
  color: var(--ink); font-size: clamp(2.1rem, 7.2vw, 6rem); font-stretch: 125%; font-weight: 660;
  letter-spacing: -.015em; line-height: 1.05; text-decoration-thickness: 2px; text-underline-offset: .14em;
  overflow-wrap: anywhere;
}
.contact-mail a:hover { text-decoration-thickness: 5px; }

/* ---------- footer ---------- */
.site-foot { background: var(--ink); color: #c4cbce; font-size: .875rem; line-height: 1.55; padding-block: 56px 44px; }
.site-foot a { color: #fff; }
.site-foot :focus-visible { outline-color: #fff; }
.foot-grid {
  display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 5fr) minmax(0, 3fr);
  grid-template-areas: "brand legal links" "brand privacy copy";
  gap: 12px 40px; align-items: start;
}
.foot-brand { grid-area: brand; display: flex; align-items: center; gap: 14px; color: #fff; font-size: 1.0625rem; font-stretch: 118%; font-weight: 650; }
.foot-brand img { width: 40px; height: 40px; box-shadow: 0 0 0 1px #2c3236; border-radius: 50%; }
.foot-legal { grid-area: legal; max-width: 52ch; }
.foot-privacy { grid-area: privacy; color: #8f999d; }
.foot-links { grid-area: links; display: flex; flex-wrap: wrap; gap: 6px 20px; justify-content: flex-end; }
.foot-copy { grid-area: copy; color: #8f999d; text-align: right; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .pipe-zones { display: none; }
  .pipe-steps { grid-template-columns: minmax(0, 1fr); gap: 0; max-width: 640px; }
  .pipe-step {
    display: grid; grid-template-columns: 30px minmax(0, 1fr); column-gap: 20px;
    position: relative; padding-bottom: 28px;
  }
  .pipe-step::before { grid-row: 1 / 3; margin: 0; position: relative; z-index: 1; }
  .pipe-step::after {
    content: ""; position: absolute; left: 14.5px; top: 30px; bottom: 0; width: 0;
    border-left: 1px dashed var(--rule);
  }
  .pipe-step.is-device::after { border-left: 2px solid var(--ink); left: 14px; }
  .pipe-step:last-child::after { display: none; }
  .pipe-step h3 { padding-top: 4px; }
}

@media (max-width: 860px) {
  .hero-grid, .block-head, .firm { grid-template-columns: minmax(0, 1fr); }
  .area > summary {
    grid-template-columns: minmax(0, 1fr) 24px;
    grid-template-areas: "name icon" "lead lead";
    row-gap: 8px; column-gap: 16px; padding-block: 22px;
  }
  .area-name { font-size: 1.3125rem; }
  .area-lead { margin-top: 6px; font-size: 1rem; }
  .area-body, .area-body-media { grid-template-columns: minmax(0, 1fr); row-gap: 24px; }
  .area-body > .specs, .area-body-media > :first-child, .area-body-media > .area-media { grid-column: 1; }
  .specs > div { grid-template-columns: minmax(0, 1fr); }
  .rules { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .foot-grid { grid-template-columns: minmax(0, 1fr); grid-template-areas: "brand" "legal" "privacy" "links" "copy"; gap: 14px; }
  .foot-links { justify-content: flex-start; }
  .foot-copy { text-align: left; }
}

@media (max-width: 560px) {
  body { font-size: 1.0625rem; }
  .site-head { flex-wrap: wrap; padding-block: 20px 8px; }
  .site-head { position: relative; }
  .site-nav { width: 100%; flex-wrap: wrap; gap: 6px 18px; font-size: .875rem; }
  .site-nav .lang { position: absolute; top: 22px; right: var(--gut); padding: 4px 0 4px 14px; font-size: .9375rem; }
  .lede, .firm-lede { font-size: 1.0625rem; }
  .fov-readout { top: 12px; font-size: .8125rem; }
  .fov-canvas { height: 400px; }
  .fov-caption { grid-template-columns: minmax(0, 1fr); }
  .fov-side { width: min(300px, 100%); }
}

/* ---------- 404 ---------- */
.notfound { padding-block: clamp(64px, 12vw, 160px); }
.notfound h1 { max-width: 14ch; margin-bottom: 24px; }

/* ---------- legal documents ---------- */
.doc { padding-block: clamp(40px, 6vw, 88px) clamp(80px, 10vw, 140px); }
.doc-head { max-width: 72ch; margin-bottom: clamp(32px, 4vw, 56px); }
.doc h1 { font-size: clamp(2.25rem, 4.4vw, 3.25rem); margin-bottom: 18px; }
.doc-meta { color: var(--muted); font-size: .9375rem; }
.doc-body { max-width: 72ch; }
.doc-body section { border-top: 1px solid var(--rule); padding-top: 22px; margin-top: 36px; }
.doc-body h2 { font-size: 1.3125rem; font-stretch: 112%; font-weight: 640; line-height: 1.25; letter-spacing: -.005em; margin-bottom: 12px; }
.doc-body p + p, .doc-body p + ul, .doc-body ul + p, .doc-body ol + p, .doc-body p + ol { margin-top: 12px; }
.doc-body ul, .doc-body ol { padding-left: 1.25em; margin: 0; }
.doc-body li + li { margin-top: 6px; }
.doc-body address { font-style: normal; line-height: 1.6; margin-block: 12px; padding-left: 16px; border-left: 2px solid var(--ink); }
.doc-body code { font: inherit; font-weight: 620; }
.doc-note { margin-top: 40px; color: var(--muted); font-size: .9375rem; }
.foot-links a + a { margin-left: 0; }
