/* Authcha marketing site
   Type: Archivo (variable wght+wdth, OFL) for everything; IBM Plex Mono (OFL) only for
   literal protocol content (RADIUS attributes, commands, credentials).
   Palette: slate ink + single-mode-fiber yellow + OM3 aqua. */

@font-face {
  font-family: "Archivo";
  src: url(fonts/archivo-latin-standard-normal.woff2) format("woff2-variations"), url(fonts/archivo-latin-standard-normal.woff2) format("woff2");
  font-weight: 100 900; font-stretch: 62% 125%; font-style: normal; font-display: swap;
  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: "Archivo";
  src: url(fonts/archivo-latin-ext-standard-normal.woff2) format("woff2-variations"), url(fonts/archivo-latin-ext-standard-normal.woff2) format("woff2");
  font-weight: 100 900; font-stretch: 62% 125%; font-style: normal; font-display: swap;
  unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,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: "Plex Mono"; src: url(fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url(fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2"); font-weight: 500; font-display: swap; }

:root {
  --paper: #f5f7f8;
  --panel: #ffffff;
  --rack: #e8edf0;
  --ink: #13222c;
  --ink-2: #4a5b67;
  --ink-3: #6b7b86;
  --line: #d2dbe0;
  --line-strong: #aebbc3;
  --fiber: #ffc72c;
  --fiber-ink: #13222c;
  --fiber-soft: #fff3cf;
  --aqua: #007a84;
  --aqua-soft: #dcf1f2;
  --accept: #1b7f4f;
  --reject: #b23a26;
  --focus: #0060df;
  --shadow: 0 1px 0 rgba(19, 34, 44, .04), 0 12px 32px -18px rgba(19, 34, 44, .35);
  --sans: "Archivo", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --gutter: clamp(16px, 4vw, 40px);
  --max: 1200px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0f1a21;
    --panel: #15232c;
    --rack: #122029;
    --ink: #e4ebee;
    --ink-2: #a3b3bd;
    --ink-3: #7f919c;
    --line: #26373f;
    --line-strong: #3a4d57;
    --fiber: #ffc72c;
    --fiber-ink: #13222c;
    --fiber-soft: #3a3217;
    --aqua: #4fc4cc;
    --aqua-soft: #173840;
    --accept: #4cc38a;
    --reject: #f07a62;
    --focus: #7cb4ff;
    --shadow: 0 1px 0 rgba(0, 0, 0, .2), 0 18px 40px -20px rgba(0, 0, 0, .7);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 88px; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 1.0625rem/1.6 var(--sans); font-stretch: 100%;
  font-feature-settings: "kern", "tnum" 0;
  overflow-x: hidden;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--aqua); text-underline-offset: .18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 3px; }
code, kbd, samp, pre { font-family: var(--mono); font-size: .9em; }
::selection { background: var(--fiber); color: var(--fiber-ink); }

h1, h2, h3, h4 { margin: 0; font-weight: 720; line-height: 1.08; letter-spacing: -.012em; word-spacing: .05em; text-wrap: balance; }
h1 { font-size: clamp(2.3rem, 5.6vw, 4.1rem); font-stretch: 72%; font-weight: 780; letter-spacing: -.02em; word-spacing: .06em; line-height: 1.0; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.6rem); font-stretch: 78%; word-spacing: .05em; }
h3 { font-size: 1.25rem; font-stretch: 88%; line-height: 1.2; }
h4 { font-size: 1.0625rem; font-stretch: 92%; line-height: 1.25; }
p { margin: 0 0 1em; }
.lede { font-size: clamp(1.125rem, 1.6vw, 1.3rem); color: var(--ink-2); max-width: 62ch; line-height: 1.5; }
.muted { color: var(--ink-2); }
.small { font-size: .9rem; }
.measure { max-width: 68ch; }

.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--fiber); color: var(--fiber-ink); padding: 10px 14px; font-weight: 600; border-radius: 4px; }
.skip:focus { top: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { max-width: var(--max); margin: 0 auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(56px, 8vw, 104px); }
.section--rack { background: var(--rack); border-block: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: clamp(28px, 4vw, 48px); }
.section-head h2 + p { margin-top: 16px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 0 20px; border-radius: 4px; border: 1px solid transparent;
  font: 620 1rem/1 var(--sans); font-stretch: 92%; text-decoration: none; cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn--primary { background: var(--fiber); color: var(--fiber-ink); border-color: #e3ad10; }
.btn--primary:hover { background: #ffd34f; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--ghost:hover { border-color: var(--ink); }
.btn--ink { background: var(--ink); color: var(--paper); }
.btn--ink:hover { background: var(--ink-2); }
.btn--sm { min-height: 38px; padding: 0 14px; font-size: .95rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 760; font-stretch: 78%; font-size: 1.45rem; letter-spacing: -.02em; }
.brand svg { width: 30px; height: 30px; flex: none; }
.nav { display: flex; align-items: center; gap: 4px; margin-left: 12px; }
.nav a { color: var(--ink); text-decoration: none; padding: 8px 12px; border-radius: 4px; font-weight: 520; font-stretch: 94%; }
.nav a:hover { background: var(--rack); }
.nav a[aria-current="page"] { box-shadow: inset 0 -3px 0 var(--fiber); border-radius: 0; }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.header-actions .signin { color: var(--ink); text-decoration: none; padding: 8px 10px; font-weight: 520; }
.header-actions .signin:hover { text-decoration: underline; }
.menu-btn { display: none; margin-left: auto; background: none; border: 1px solid var(--line-strong); color: var(--ink); border-radius: 4px; min-height: 42px; padding: 0 12px; font: 600 .95rem var(--sans); cursor: pointer; }
.menu-btn svg { width: 20px; height: 20px; display: inline-block; vertical-align: middle; margin-right: 6px; }

@media (max-width: 920px) {
  .menu-btn { display: inline-flex; align-items: center; }
  .header-inner { flex-wrap: wrap; }
  .nav, .header-actions { display: none; width: 100%; }
  .site-header.is-open .nav { display: flex; flex-direction: column; align-items: stretch; margin: 0; padding: 8px 0; border-top: 1px solid var(--line); }
  .site-header.is-open .nav a { padding: 12px 4px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .site-header.is-open .nav a[aria-current="page"] { box-shadow: inset 4px 0 0 var(--fiber); padding-left: 14px; }
  .site-header.is-open .header-actions { display: flex; margin: 0 0 16px; }
  .site-header.is-open .header-actions .btn { flex: 1; }
}

/* ---------- Hero ---------- */
.hero { padding-block: clamp(40px, 7vw, 88px) clamp(48px, 7vw, 96px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 { max-width: 13ch; }
.hero .lede { margin-top: 24px; }
.hero .btn-row { margin-top: 32px; }
.hero-note { margin-top: 20px; font-size: .95rem; color: var(--ink-3); }
@media (max-width: 960px) { .hero-grid { grid-template-columns: 1fr; } .hero h1 { max-width: 16ch; } }

/* Packet ladder: the one animated moment on the site */
.ladder { margin: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow); padding: 20px clamp(14px, 2.4vw, 24px) 18px; position: relative; }
.ladder-lanes { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding-bottom: 12px; border-bottom: 1px dashed var(--line-strong); font-size: .85rem; }
.ladder-lanes div { line-height: 1.25; }
.ladder-lanes strong { display: block; font-stretch: 88%; font-size: 1rem; }
.ladder-lanes span { color: var(--ink-3); font-family: var(--mono); font-size: .78rem; }
.ladder-lanes div:last-child { text-align: right; }
.ladder ol { list-style: none; margin: 0; padding: 6px 0 0; position: relative; }
.ladder ol::before, .ladder ol::after { content: ""; position: absolute; top: 0; bottom: 0; width: 2px; background: var(--line); }
.ladder ol::before { left: 6px; }
.ladder ol::after { right: 6px; }
.pkt { position: relative; padding: 12px 22px 10px; }
.pkt-line { position: relative; height: 2px; background: var(--ink-3); margin: 6px 0 8px; }
.pkt-line::after { content: ""; position: absolute; top: -5px; border: 6px solid transparent; }
.pkt--out .pkt-line::after { right: -4px; border-left: 9px solid var(--ink-3); border-right: 0; }
.pkt--in .pkt-line::after { left: -4px; border-right: 9px solid var(--ink-3); border-left: 0; }
.pkt-name { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; font-weight: 650; font-stretch: 90%; font-size: .98rem; }
.pkt--in .pkt-name { flex-direction: row-reverse; }
.pkt-code { font-family: var(--mono); font-size: .72rem; color: var(--ink-3); font-weight: 400; }
.pkt-attrs { margin: 0; font-family: var(--mono); font-size: .78rem; line-height: 1.55; color: var(--ink-2); overflow-wrap: anywhere; }
.pkt--in .pkt-attrs { text-align: right; }
.pkt-attrs b { color: var(--ink); font-weight: 500; }
.pkt--challenge .pkt-line { background: #d9a300; }
.pkt--challenge .pkt-line::after { border-right-color: #d9a300; }
.pkt--accept .pkt-line { background: var(--accept); }
.pkt--accept .pkt-line::after { border-right-color: var(--accept); }
.pkt--accept .pkt-name span:first-child { color: var(--accept); }
.pkt-side { margin: 2px 22px 4px; padding: 8px 12px; border-left: 3px solid var(--fiber); background: var(--fiber-soft); font-size: .85rem; color: var(--ink); border-radius: 0 4px 4px 0; }
.ladder figcaption { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); font-size: .9rem; color: var(--ink-2); }

@media (prefers-reduced-motion: no-preference) {
  .ladder .pkt, .ladder .pkt-side { opacity: 0; animation: pkt-in .5s cubic-bezier(.2,.7,.2,1) forwards; animation-delay: calc(var(--i) * 520ms + 250ms); }
  .ladder .pkt-line { transform-origin: left; transform: scaleX(0); animation: pkt-wire .45s cubic-bezier(.3,.7,.2,1) forwards; animation-delay: calc(var(--i) * 520ms + 300ms); }
  .ladder .pkt--in .pkt-line { transform-origin: right; }
  @keyframes pkt-in { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
  @keyframes pkt-wire { to { transform: scaleX(1); } }
}

/* ---------- Flow dispatch diagram ---------- */
.flows-figure { margin: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: clamp(12px, 2.4vw, 28px); }
.flows-figure figcaption { margin-top: 16px; color: var(--ink-2); font-size: .95rem; max-width: 72ch; }
.diagram-v { display: none; }
@media (max-width: 760px) { .diagram-h { display: none; } .diagram-v { display: block; margin-inline: auto; max-width: 400px; } }
.dg-box { fill: var(--panel); stroke: var(--line-strong); stroke-width: 1.5; }
.dg-box--in { fill: var(--rack); }
.dg-box--hub { fill: var(--ink); stroke: var(--ink); }
.dg-hub-text { fill: var(--paper); font: 650 15px var(--sans); font-stretch: 86%; }
.dg-title { fill: var(--ink); font: 700 17px var(--sans); font-stretch: 84%; }
.dg-text { fill: var(--ink-2); font: 400 13.5px var(--sans); }
.dg-mono { fill: var(--ink-2); font: 400 12px var(--mono); }
.dg-cond { fill: var(--aqua); font: 500 12.5px var(--mono); }
.dg-wire { fill: none; stroke: var(--ink-3); stroke-width: 1.6; }
.dg-arrow { fill: var(--ink-3); }
.dg-tag { fill: var(--fiber); }
.dg-tag-text { fill: var(--fiber-ink); font: 650 12px var(--sans); }
.flow-legend { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 32px; }
.flow-legend h3 { margin-bottom: 8px; }
.flow-legend p { color: var(--ink-2); margin: 0; }
@media (max-width: 860px) { .flow-legend { grid-template-columns: 1fr; } }

/* ---------- Pillars (capability index) ---------- */
.pillars { border-top: 2px solid var(--ink); }
.pillar { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: 24px 48px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.pillar h3 { font-size: 1.5rem; font-stretch: 78%; }
.pillar-intro { color: var(--ink-2); margin: 10px 0 0; font-size: .98rem; }
.pillar ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 32px; }
.pillar li { padding-left: 18px; position: relative; }
.pillar li::before { content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 8px; background: var(--fiber); border: 1px solid #d9a300; }
.pillar li strong { display: block; font-weight: 640; font-stretch: 94%; }
.pillar li span { color: var(--ink-2); font-size: .95rem; }
.pillar-link { display: inline-block; margin-top: 14px; font-weight: 600; }
@media (max-width: 860px) { .pillar { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .pillar ul { grid-template-columns: 1fr; } }

/* ---------- Screenshot frames & gallery ---------- */
.frame { margin: 0; border-radius: 10px; border: 1px solid var(--line-strong); background: var(--panel); box-shadow: var(--shadow); overflow: hidden; }
.frame-bar { display: flex; align-items: center; gap: 12px; height: 34px; padding: 0 12px; background: var(--rack); border-bottom: 1px solid var(--line); }
.frame-dots { display: flex; gap: 6px; }
.frame-dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-strong); display: block; }
.frame-url { flex: 1; max-width: 420px; margin: 0 auto; height: 22px; border-radius: 4px; background: var(--panel); border: 1px solid var(--line); font: 400 .74rem/20px var(--mono); color: var(--ink-3); padding: 0 10px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; text-align: center; }
.frame img { width: 100%; height: auto; aspect-ratio: 16 / 10; background: #eef2f4; }
.frame figcaption { padding: 12px 16px; border-top: 1px solid var(--line); font-size: .92rem; color: var(--ink-2); }

.gallery { display: grid; grid-template-columns: minmax(0, 280px) minmax(0, 1fr); gap: 32px; align-items: start; }
.gallery-tabs { display: flex; flex-direction: column; gap: 2px; border-left: 2px solid var(--line); }
.gallery-tabs button { text-align: left; background: none; border: 0; border-left: 3px solid transparent; margin-left: -2px; padding: 12px 14px; color: var(--ink-2); font: 500 1rem/1.3 var(--sans); cursor: pointer; }
.gallery-tabs button strong { display: block; color: var(--ink); font-weight: 650; font-stretch: 92%; }
.gallery-tabs button[aria-selected="true"] { border-left-color: var(--fiber); background: var(--panel); }
.gallery-tabs button:hover { color: var(--ink); }
.gallery-panel[hidden] { display: none; }
@media (max-width: 900px) {
  .gallery { grid-template-columns: 1fr; }
  .gallery-tabs { flex-direction: row; overflow-x: auto; border-left: 0; border-bottom: 2px solid var(--line); scrollbar-width: thin; }
  .gallery-tabs button { border-left: 0; border-bottom: 3px solid transparent; margin: 0 0 -2px; white-space: nowrap; padding: 10px 12px; }
  .gallery-tabs button span { display: none; }
  .gallery-tabs button[aria-selected="true"] { border-bottom-color: var(--fiber); background: none; }
}

/* ---------- Spec sheet (security highlights) ---------- */
.spec { width: 100%; border-collapse: collapse; }
.spec th, .spec td { text-align: left; vertical-align: top; padding: 18px 0; border-bottom: 1px solid var(--line); }
.spec th { width: 32%; padding-right: 32px; font-weight: 680; font-stretch: 88%; font-size: 1.1rem; line-height: 1.3; }
.spec td { color: var(--ink-2); }
.spec tr:first-child th, .spec tr:first-child td { border-top: 2px solid var(--ink); }
@media (max-width: 700px) {
  .spec, .spec tbody, .spec tr, .spec th, .spec td { display: block; width: 100%; }
  .spec th { padding: 18px 0 4px; border-bottom: 0; }
  .spec td { padding: 0 0 18px; }
  .spec tr:first-child td { border-top: 0; }
}

/* ---------- Deploy ---------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }
.term { background: #13222c; color: #d7e2e8; border-radius: 8px; padding: 18px 20px; font: 400 .86rem/1.7 var(--mono); overflow-x: auto; border: 1px solid #26373f; margin: 0; }
.term .c { color: #7f96a3; }
.term .p { color: var(--fiber); user-select: none; }
.term .ok { color: #6fd3a0; }
.reqs { width: 100%; border-collapse: collapse; font-size: .95rem; margin-top: 24px; }
.reqs th, .reqs td { padding: 9px 10px 9px 0; border-bottom: 1px solid var(--line); text-align: left; }
.reqs thead th { font-weight: 650; color: var(--ink-2); font-size: .85rem; }
.ticks { list-style: none; padding: 0; margin: 20px 0 0; }
.ticks li { padding: 8px 0 8px 28px; position: relative; border-top: 1px solid var(--line); }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 15px; width: 12px; height: 7px; border-left: 2.5px solid var(--accept); border-bottom: 2.5px solid var(--accept); transform: rotate(-45deg); }

/* ---------- Vendors ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; }
.chips li { border: 1px solid var(--line-strong); border-radius: 3px; padding: 6px 12px; font-weight: 560; font-stretch: 90%; background: var(--panel); font-size: .98rem; }
.chips li.more { background: transparent; border-style: dashed; color: var(--ink-2); }
.fineprint { font-size: .85rem; color: var(--ink-3); margin-top: 16px; max-width: 80ch; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--ink); color: var(--paper); }
.cta-band .wrap { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 32px; align-items: center; padding-block: clamp(48px, 7vw, 80px); }
.cta-band h2 { color: var(--paper); max-width: 20ch; }
.cta-band p { color: color-mix(in srgb, var(--paper) 78%, var(--ink)); margin: 14px 0 0; max-width: 56ch; }
.cta-band .btn--ghost { color: var(--paper); border-color: color-mix(in srgb, var(--paper) 45%, var(--ink)); }
.cta-band .btn--ghost:hover { border-color: var(--paper); }
@media (prefers-color-scheme: dark) { .cta-band { background: #0a1217; border-block: 1px solid var(--line); } .cta-band h2 { color: var(--ink); } .cta-band p { color: var(--ink-2); } .cta-band .btn--ghost { color: var(--ink); border-color: var(--line-strong); } }
@media (max-width: 760px) { .cta-band .wrap { grid-template-columns: 1fr; } }

/* ---------- Page header (inner pages) ---------- */
.page-head { padding-block: clamp(40px, 6vw, 72px) clamp(28px, 4vw, 48px); border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(2.1rem, 4.8vw, 3.4rem); max-width: 22ch; }
.page-head .lede { margin-top: 18px; }
.crumb { font-size: .9rem; color: var(--ink-3); margin-bottom: 14px; }
.crumb a { color: var(--ink-2); }

/* ---------- Product page ---------- */
.doc-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 56px; }
.toc { position: sticky; top: 92px; align-self: start; font-size: .95rem; }
.toc p { font-weight: 650; margin-bottom: 8px; }
.toc ol { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--line); }
.toc a { display: block; padding: 6px 12px; color: var(--ink-2); text-decoration: none; margin-left: -2px; border-left: 2px solid transparent; }
.toc a:hover { color: var(--ink); border-left-color: var(--line-strong); }
@media (max-width: 960px) { .doc-layout { grid-template-columns: 1fr; gap: 0; } .toc { position: static; margin-bottom: 8px; } .toc ol { display: flex; flex-wrap: wrap; gap: 6px; border: 0; } .toc a { border: 1px solid var(--line); border-radius: 3px; margin: 0; padding: 4px 10px; } }
.feature-group { padding-block: 40px 16px; border-top: 2px solid var(--ink); }
.feature-group + .feature-group { margin-top: 40px; }
.feature-group > header { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; margin-bottom: 28px; max-width: 70ch; }
.feature-group > header p { color: var(--ink-2); margin: 0; }
.feature-group .frame { margin: 8px 0 36px; }
.features { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 40px; }
.feature { padding: 18px 0; border-top: 1px solid var(--line); }
.feature h3 { font-size: 1.12rem; margin-bottom: 6px; }
.feature p { color: var(--ink-2); margin: 0; font-size: .98rem; }
.feature code { font-size: .82rem; background: var(--rack); padding: 1px 5px; border-radius: 3px; color: var(--ink); }
@media (max-width: 720px) { .features { grid-template-columns: 1fr; } }
.callout { border-left: 4px solid var(--fiber); background: var(--panel); padding: 16px 20px; border-radius: 0 6px 6px 0; margin: 24px 0; border-top: 1px solid var(--line); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.callout p:last-child { margin-bottom: 0; }

/* ---------- Solutions ---------- */
.solution { padding-block: clamp(48px, 7vw, 88px); border-bottom: 1px solid var(--line); }
.solution:last-of-type { border-bottom: 0; }
.solution-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px 56px; align-items: end; margin-bottom: 36px; }
.solution-head .who { color: var(--ink-2); margin: 12px 0 0; }
.psf { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 2px solid var(--ink); }
.psf > div { padding: 22px 24px 8px 0; }
.psf > div + div { padding-left: 24px; border-left: 1px solid var(--line); }
.psf h3 { font-size: 1.05rem; margin-bottom: 12px; color: var(--ink-2); font-weight: 620; }
.psf ul { margin: 0; padding-left: 18px; }
.psf li { margin-bottom: 8px; }
.psf .tags { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; padding: 0; }
.psf .tags a { display: inline-block; font-size: .9rem; border: 1px solid var(--line-strong); padding: 4px 10px; border-radius: 3px; color: var(--ink); text-decoration: none; background: var(--panel); }
.psf .tags a:hover { border-color: var(--ink); }
@media (max-width: 900px) { .solution-head { grid-template-columns: 1fr; } .psf { grid-template-columns: 1fr; } .psf > div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); } }

/* ---------- Pricing ---------- */
.currency { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 5px; padding: 3px; background: var(--panel); }
.currency button { border: 0; background: none; font: 600 .95rem var(--sans); color: var(--ink-2); padding: 8px 14px; border-radius: 3px; cursor: pointer; min-width: 64px; }
.currency button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.pricing-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.pricing-bar p { margin: 0; color: var(--ink-2); font-size: .95rem; }
.tiers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border: 1px solid var(--line-strong); border-radius: 10px; background: var(--panel); overflow: hidden; }
.tier { padding: 28px clamp(18px, 2.2vw, 28px) 30px; display: flex; flex-direction: column; position: relative; }
.tier + .tier { border-left: 1px solid var(--line); }
.tier--featured { background: color-mix(in srgb, var(--fiber-soft) 55%, var(--panel)); box-shadow: inset 0 4px 0 var(--fiber); }
.tier-flag { position: absolute; top: 14px; right: 16px; background: var(--ink); color: var(--paper); font-size: .78rem; font-weight: 650; padding: 3px 8px; border-radius: 3px; }
.tier h2 { font-size: 1.7rem; }
.tier-for { color: var(--ink-2); margin: 8px 0 20px; min-height: 3.2em; font-size: .98rem; }
.price { margin: 0; font-size: 2.35rem; font-weight: 760; font-stretch: 76%; letter-spacing: -.02em; line-height: 1; font-variant-numeric: tabular-nums; }
.price small { font-size: 1rem; font-weight: 500; color: var(--ink-2); font-stretch: 100%; letter-spacing: 0; }
.price-note { font-size: .85rem; color: var(--ink-3); margin: 8px 0 20px; min-height: 1.3em; }
.limits { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 5px; overflow: hidden; margin-bottom: 20px; }
.limits div { background: var(--panel); padding: 10px 12px; }
.tier--featured .limits div { background: color-mix(in srgb, var(--fiber-soft) 30%, var(--panel)); }
.limits b { display: block; font-size: 1.3rem; font-stretch: 82%; font-weight: 720; }
.limits span { font-size: .82rem; color: var(--ink-2); }
.tier .btn { width: 100%; margin-bottom: 22px; }
.tier ul { list-style: none; margin: 0; padding: 0; font-size: .96rem; }
.tier li { padding: 7px 0 7px 26px; position: relative; border-top: 1px solid var(--line); }
.tier li::before { content: ""; position: absolute; left: 3px; top: 13px; width: 11px; height: 6px; border-left: 2px solid var(--accept); border-bottom: 2px solid var(--accept); transform: rotate(-45deg); }
.tier li.inherit { font-weight: 620; }
.tier li.inherit::before { border: 0; width: 12px; height: 2px; background: var(--ink-3); transform: none; top: 18px; }
.tier-support { margin-top: auto; padding-top: 18px; font-size: .92rem; color: var(--ink-2); }
.tier-support strong { color: var(--ink); display: block; }
@media (max-width: 980px) { .tiers { grid-template-columns: 1fr; } .tier + .tier { border-left: 0; border-top: 1px solid var(--line); } .tier-for { min-height: 0; } }

.eval { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 20px 28px; align-items: center; margin-top: 28px; padding: 22px 26px; border: 2px dashed var(--line-strong); border-radius: 10px; }
.eval-days { font-size: 3rem; font-weight: 780; font-stretch: 70%; line-height: .9; }
.eval-days span { display: block; font-size: .9rem; font-weight: 600; font-stretch: 100%; color: var(--ink-2); }
.eval h2 { font-size: 1.4rem; }
.eval p { margin: 6px 0 0; color: var(--ink-2); }
@media (max-width: 760px) { .eval { grid-template-columns: 1fr; } }

.compare-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
@media (min-width: 761px) { .compare-wrap { overflow: visible; } }
.compare { width: 100%; border-collapse: separate; border-spacing: 0; min-width: 640px; font-size: .96rem; }
.compare th, .compare td { padding: 11px 16px; border-bottom: 1px solid var(--line); text-align: center; }
.compare th[scope="row"] { text-align: left; font-weight: 450; }
.compare thead th { position: sticky; top: 68px; z-index: 2; background: var(--panel); font-weight: 700; font-stretch: 86%; font-size: 1.08rem; border-bottom: 2px solid var(--ink); }
.compare thead th:first-child { text-align: left; }
@media (max-width: 760px) { .compare thead th { position: static; } }
.compare tbody th[colspan] { text-align: left; background: var(--rack); font-weight: 680; font-stretch: 90%; padding-top: 14px; }
.compare td { width: 17%; color: var(--ink-2); }
.compare .yes, .compare .no { display: inline-block; width: 20px; height: 20px; vertical-align: middle; }
.compare .yes { background: no-repeat center/16px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M2.5 8.5l3.5 3.5 7.5-8' fill='none' stroke='%231b7f4f' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.compare .no { background: no-repeat center/12px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6h8' stroke='%238796a0' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E"); }
@media (prefers-color-scheme: dark) { .compare .yes { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M2.5 8.5l3.5 3.5 7.5-8' fill='none' stroke='%234cc38a' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); } }
.compare .col-featured { background: color-mix(in srgb, var(--fiber-soft) 40%, transparent); }

.faq { border-top: 2px solid var(--ink); max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 40px 18px 0; font-weight: 640; font-stretch: 92%; font-size: 1.12rem; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 8px; top: 24px; width: 10px; height: 10px; border-right: 2px solid var(--ink-2); border-bottom: 2px solid var(--ink-2); transform: rotate(45deg); transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(-135deg); top: 28px; }
.faq .answer { padding: 0 0 20px; color: var(--ink-2); max-width: 70ch; }
.faq .answer p:last-child { margin-bottom: 0; }

/* ---------- Demo page ---------- */
.creds { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.cred { border: 1px solid var(--line-strong); border-radius: 8px; background: var(--panel); padding: 20px; display: flex; flex-direction: column; }
.cred h3 { margin-bottom: 4px; }
.cred > p { color: var(--ink-2); font-size: .95rem; min-height: 3em; }
.cred dl { margin: 8px 0 16px; display: grid; gap: 8px; }
.cred dt { font-size: .82rem; color: var(--ink-3); }
.cred dd { margin: 0; display: flex; align-items: center; gap: 8px; }
.cred dd code { flex: 1; min-width: 0; font-size: .95rem; background: var(--rack); padding: 7px 10px; border-radius: 4px; border: 1px solid var(--line); color: var(--ink); overflow-wrap: anywhere; }
.copy { flex: none; border: 1px solid var(--line-strong); background: var(--panel); color: var(--ink); border-radius: 4px; font: 600 .85rem var(--sans); min-height: 36px; min-width: 66px; padding: 0 10px; cursor: pointer; }
.copy:hover { border-color: var(--ink); }
.copy.is-done { border-color: var(--accept); color: var(--accept); }
.cred .btn { margin-top: auto; }
@media (max-width: 900px) { .creds { grid-template-columns: 1fr; } .cred > p { min-height: 0; } }
.sandbox-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 8px; }
.sandbox-facts div { border-top: 2px solid var(--ink); padding-top: 14px; }
.sandbox-facts h3 { font-size: 1.05rem; margin-bottom: 6px; }
.sandbox-facts p { color: var(--ink-2); margin: 0; font-size: .96rem; }
@media (max-width: 760px) { .sandbox-facts { grid-template-columns: 1fr; } }
.tour { list-style: none; counter-reset: step; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.tour li { counter-increment: step; display: grid; grid-template-columns: 56px minmax(0, 1fr) auto; gap: 8px 20px; align-items: start; padding: 20px 0; border-bottom: 1px solid var(--line); }
.tour li::before { content: counter(step, decimal-leading-zero); font: 500 1rem/1.6 var(--mono); color: var(--ink-3); }
.tour h3 { font-size: 1.15rem; margin-bottom: 4px; }
.tour p { margin: 0; color: var(--ink-2); }
.tour .as { font-size: .85rem; color: var(--ink-3); margin-top: 6px; }
.tour .btn { white-space: nowrap; }
@media (max-width: 640px) { .tour li { grid-template-columns: 36px minmax(0, 1fr); } .tour .btn { grid-column: 2; justify-self: start; } }

/* ---------- Security page ---------- */
.principles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 48px; }
.principle { padding: 26px 0; border-top: 1px solid var(--line); }
.principle h3 { font-size: 1.3rem; margin-bottom: 10px; }
.principle p { color: var(--ink-2); }
.principle p:last-child { margin-bottom: 0; }
@media (max-width: 820px) { .principles { grid-template-columns: 1fr; } }
.arch-figure { margin: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: clamp(12px, 2.4vw, 28px); }
.arch-figure figcaption { margin-top: 14px; color: var(--ink-2); font-size: .95rem; }

/* ---------- Contact ---------- */
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 20px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field--full { grid-column: 1 / -1; }
.field label, .field legend { font-weight: 620; font-size: .95rem; }
.field .hint { font-size: .85rem; color: var(--ink-3); font-weight: 400; }
.field input, .field select, .field textarea { font: 400 1rem/1.4 var(--sans); color: var(--ink); background: var(--panel); border: 1px solid var(--line-strong); border-radius: 4px; padding: 11px 12px; width: 100%; }
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline: 3px solid var(--focus); outline-offset: 0; border-color: var(--focus); }
.field [aria-invalid="true"] { border-color: var(--reject); }
.field .error { color: var(--reject); font-size: .88rem; min-height: 0; }
fieldset.field { border: 0; padding: 0; margin: 0; }
.radios { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.radios label { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line-strong); border-radius: 4px; padding: 9px 14px; font-weight: 500; cursor: pointer; background: var(--panel); }
.radios input { accent-color: var(--ink); width: 16px; height: 16px; margin: 0; }
.radios label:has(input:checked) { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.form-actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.form-status { font-size: .95rem; color: var(--ink-2); }
@media (max-width: 640px) { .form { grid-template-columns: 1fr; } }
.contact-aside { border-top: 2px solid var(--ink); padding-top: 20px; }
.contact-aside h2 { font-size: 1.3rem; margin-bottom: 10px; }
.contact-aside dl { margin: 0; }
.contact-aside dt { font-weight: 650; margin-top: 16px; }
.contact-aside dd { margin: 4px 0 0; color: var(--ink-2); }
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

/* ---------- Prose (legal) ---------- */
.prose { max-width: 70ch; }
.prose h2 { font-size: 1.4rem; margin: 36px 0 12px; }
.prose ul { padding-left: 20px; }
.prose li { margin-bottom: 6px; }

/* ---------- 404 ---------- */
.notfound { padding-block: clamp(64px, 12vw, 140px); }
.notfound .pkt-attrs { font-size: .95rem; margin: 20px 0 28px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 56px 32px; font-size: .95rem; background: var(--paper); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 32px; }
.footer-grid h2 { font-size: 1rem; font-stretch: 94%; margin-bottom: 12px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: var(--ink-2); text-decoration: none; }
.footer-grid a:hover { color: var(--ink); text-decoration: underline; }
.footer-about p { color: var(--ink-2); max-width: 40ch; margin-top: 12px; }
.footer-base { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; color: var(--ink-3); font-size: .85rem; }
.footer-base p { margin: 0; }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-about { grid-column: 1 / -1; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
@media print { .site-header, .site-footer, .cta-band { display: none; } body { background: #fff; color: #000; } }

/* Grid children must be allowed to shrink below their content width */
.gallery > *, .split > *, .hero-grid > *, .cta-band .wrap > *, .contact-grid > *, .doc-layout > * { min-width: 0; }
.footer-about .brand { color: var(--ink); }