/* ==========================================================================
   obsidian-tui landing page
   Palette is lifted from the app's own obsidian-dark seed so the site and the
   binary look like the same piece of software.
   ========================================================================== */

:root {
  /* page chrome */
  --bg:        #0a0a0e;
  --bg-1:      #0f0f14;
  --bg-2:      #14141b;
  --bg-3:      #191921;
  --line:      #23232d;
  --line-2:    #30303c;
  --txt:       #ecedf2;
  --mut:       #a2a3b0;
  --fnt:       #71727f;

  --acc:       #8b6cef;   /* obsidian-dark accent */
  --acc-2:     #a882ff;
  --acc-dim:   rgba(139, 108, 239, .14);
  --grn:       #44cf6e;

  /* terminal demo, overwritten by the theme switcher */
  --t-bg:      #1e1e1e;
  --t-bg-alt:  #161616;
  --t-border:  #2f2f2f;
  --t-active:  #34304a;
  --t-text:    #dadada;
  --t-muted:   #9a9a9a;
  --t-faint:   #6b6b6b;
  --t-accent:  #8b6cef;
  --t-green:   #44cf6e;
  --t-blue:    #4d9fff;
  --t-purple:  #a882ff;
  --t-on-acc:  #ffffff;

  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --r-sm: 8px;
  --r:    12px;
  --r-lg: 18px;

  --wrap: 1140px;
  --nav-h: 62px;
}

/* --------------------------------------------------------------- reset -- */

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--txt);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.022em; line-height: 1.12; }
p { margin: 0; }
img, svg, canvas { max-width: 100%; display: block; }

a { color: var(--acc-2); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

code, kbd, pre { font-family: var(--mono); }

code {
  font-size: .88em;
  color: var(--acc-2);
  background: var(--acc-dim);
  padding: .12em .38em;
  border-radius: 5px;
  /* pre-wrap keeps the spaces in things like `- [ ]`; break-word stops a long
     flag or URL from pushing the whole page sideways on a phone */
  white-space: pre-wrap;
  overflow-wrap: break-word;
}

:focus-visible {
  outline: 2px solid var(--acc-2);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 24px; }

/* Grid items default to min-width:auto, so one wide <pre> inside a card can
   push the whole page sideways on a phone. Let them shrink and scroll. */
.bento > *, .privacy-grid > *, .graph-grid > *, .promise-grid > * { min-width: 0; }

.vh {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip {
  position: absolute; top: -60px; left: 16px; z-index: 100;
  background: var(--acc); color: #fff; padding: 10px 16px;
  border-radius: var(--r-sm); font-weight: 500;
  transition: top .16s ease;
}
.skip:focus { top: 12px; text-decoration: none; }

/* ------------------------------------------------------------------ nav -- */

.nav {
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-h);
  background: rgba(10, 10, 14, .72);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease;
}
.nav.stuck { border-bottom-color: var(--line); }

.nav-in { display: flex; align-items: center; gap: 28px; height: var(--nav-h); }

.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--txt); font-weight: 600; font-size: 15.5px;
  letter-spacing: -.01em; margin-right: auto;
}
.brand:hover { text-decoration: none; color: #fff; }
.mark { width: 26px; height: 26px; color: var(--acc-2); flex: none; }

.nav-links { display: flex; gap: 26px; }
.nav-links a {
  color: var(--mut); font-size: 14.5px; font-weight: 500;
  padding: 6px 0; position: relative;
}
.nav-links a:hover { color: var(--txt); text-decoration: none; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--acc-2);
  transform: scaleX(0); transform-origin: left;
  transition: transform .18s ease;
}
.nav-links a:hover::after { transform: scaleX(1); }

/* --------------------------------------------------------------- buttons -- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 18px;
  border-radius: 10px; border: 1px solid transparent;
  font: inherit; font-size: 15px; font-weight: 500;
  cursor: pointer; white-space: nowrap;
  transition: background .18s ease, border-color .18s ease, transform .18s ease, color .18s ease;
}
.btn:hover { text-decoration: none; }

.btn-ghost {
  border-color: var(--line-2); color: var(--txt);
  background: var(--bg-2);
}
.btn-ghost:hover { border-color: #45455a; background: var(--bg-3); }

.btn-solid {
  background: var(--bg-2); border-color: var(--line-2); color: var(--txt);
}
.btn-solid:hover { background: var(--bg-3); border-color: var(--acc); color: #fff; }

/* Star button. The outline fills in on hover, so it reads as the thing you're
   about to do rather than just another link. */
.btn-star {
  background: var(--bg-2); border-color: var(--line-2); color: var(--txt);
}
.btn-star:hover { background: var(--bg-3); border-color: #b0862c; color: #fff; }
.btn-star .star-ico {
  color: #e3b341; fill: transparent; flex: none;
  transition: fill .18s ease, transform .18s ease;
}
.btn-star:hover .star-ico { fill: #e3b341; transform: rotate(-10deg) scale(1.1); }

/* copy-the-command button: the primary CTA */
.copy-cmd {
  display: inline-flex; align-items: center; gap: 12px;
  min-height: 52px; padding: 0 14px 0 18px;
  background: linear-gradient(180deg, #17171f, #121218);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  color: var(--txt); cursor: pointer;
  font: inherit; text-align: left;
  box-shadow: 0 1px 0 rgba(255,255,255,.04) inset, 0 8px 26px rgba(0,0,0,.45);
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
  max-width: 100%;
}
.copy-cmd:hover {
  border-color: var(--acc);
  box-shadow: 0 1px 0 rgba(255,255,255,.05) inset, 0 10px 32px rgba(139,108,239,.22);
}
.copy-cmd:active { transform: translateY(1px); }
.copy-cmd .sigil { color: var(--acc-2); font-family: var(--mono); font-size: 14px; flex: none; opacity: .8; }
.copy-cmd code {
  background: none; padding: 0; color: var(--txt);
  font-size: 14.5px; overflow-x: auto; white-space: nowrap;
  /* without min-width:0 this flex item refuses to shrink below the length of
     the command, and drags the whole page wider than a phone screen */
  min-width: 0;
  scrollbar-width: none;
}
.copy-cmd code::-webkit-scrollbar { display: none; }
.copy-cmd .copy-icon {
  display: grid; place-items: center; flex: none;
  width: 34px; height: 34px; margin-left: auto;
  border-radius: 8px; color: var(--fnt);
  background: rgba(255,255,255,.04);
  transition: color .18s ease, background .18s ease;
}
.copy-cmd:hover .copy-icon { color: var(--acc-2); background: var(--acc-dim); }
.copy-cmd.copied { border-color: var(--grn); }
.copy-cmd.copied .copy-icon { color: var(--grn); background: rgba(68,207,110,.14); }
.copy-cmd.wide { width: 100%; }

/* ------------------------------------------------------------------ hero -- */

.hero { position: relative; padding: clamp(72px, 11vw, 132px) 0 clamp(48px, 6vw, 76px); }

.glow {
  position: absolute; inset: -280px 0 auto 0; height: 720px; z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(760px 420px at 50% 34%, rgba(139,108,239,.20), transparent 68%),
    radial-gradient(520px 300px at 78% 12%, rgba(168,130,255,.11), transparent 70%);
  mask-image: linear-gradient(to bottom, #000 55%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, #000 55%, transparent);
}
.glow-b { inset: -180px 0 auto 0; height: 560px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 13.5px; color: var(--mut); font-weight: 500;
  padding: 6px 14px 6px 11px; margin-bottom: 26px;
  border: 1px solid var(--line); border-radius: 999px;
  background: rgba(255,255,255,.025);
}
.dot {
  width: 7px; height: 7px; border-radius: 50%; flex: none;
  background: var(--grn); box-shadow: 0 0 0 3px rgba(68,207,110,.16);
}

.hero h1 {
  /* the floor is set by "Your Obsidian vault," the longest unbreakable run,
     which has to fit a 390px screen without pushing the page sideways */
  font-size: clamp(1.95rem, 7.4vw, 4.4rem);
  letter-spacing: -0.035em;
  max-width: 15ch;
}
.hero h1 em {
  font-style: normal;
  /* its own line where there's room; wraps naturally on a phone */
  display: block;
  background: linear-gradient(100deg, var(--acc-2) 8%, #d0b6ff 52%, var(--acc) 96%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

.lede {
  margin-top: 24px; max-width: 60ch;
  font-size: clamp(1.06rem, 1.7vw, 1.22rem);
  color: var(--mut); line-height: 1.62;
}
.lede code { font-size: .84em; }

.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; align-items: center; }
.cta-row.center { justify-content: center; }

.micro { margin-top: 18px; font-size: 14px; color: var(--fnt); }
.micro.center { text-align: center; max-width: 52ch; margin-inline: auto; }
.micro code { color: var(--mut); background: rgba(255,255,255,.05); }

/* ------------------------------------------------------------ the demo -- */

.demo-sec { padding: clamp(20px, 4vw, 40px) 0 clamp(56px, 8vw, 96px); }

.demo-head {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px;
  margin-bottom: 18px;
}
.demo-label { font-size: 14px; color: var(--fnt); }

.themes { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  --sw: var(--acc);
  display: inline-flex; align-items: center; gap: 7px;
  height: 32px; padding: 0 11px;
  border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg-1); color: var(--mut);
  font: inherit; font-size: 12.5px; font-weight: 500;
  cursor: pointer; white-space: nowrap;
  transition: border-color .16s ease, color .16s ease, background .16s ease;
}
.chip::before {
  content: ""; width: 9px; height: 9px; border-radius: 3px; flex: none;
  background: var(--sw); box-shadow: 0 0 0 1px rgba(0,0,0,.35) inset;
}
.chip:hover { color: var(--txt); border-color: var(--line-2); }
.chip[aria-pressed="true"] {
  color: var(--txt); border-color: var(--acc); background: var(--acc-dim);
}

.term-shell {
  border: 1px solid var(--line-2);
  border-radius: var(--r-lg);
  background: var(--t-bg-alt);
  overflow: hidden;
  box-shadow: 0 40px 90px -30px rgba(0,0,0,.85), 0 0 0 1px rgba(255,255,255,.03) inset;
  transition: background .35s ease;
}

.term-chrome {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 16px;
  background: rgba(0,0,0,.28);
  border-bottom: 1px solid var(--t-border);
  transition: border-color .35s ease;
}
.tl { width: 11px; height: 11px; border-radius: 50%; flex: none; }
.tl.red { background: #ff5f57; } .tl.amber { background: #febc2e; } .tl.green { background: #28c840; }
.term-title {
  margin-left: 10px; font-family: var(--mono); font-size: 12px;
  color: var(--t-faint); transition: color .35s ease;
}

.term {
  background: var(--t-bg);
  padding: 16px 18px 18px;
  overflow-x: auto;
  transition: background .35s ease;
}
.scr {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(8.6px, 1.06vw, 13px);
  /* tight enough that ┌ │ └ join into continuous borders, as in a real terminal */
  line-height: 1.22;
  color: var(--t-text);
  white-space: pre;
  tab-size: 2;
}
/* every span in the render swaps colour with the theme */
.scr span { transition: color .35s ease, background-color .35s ease; }
.c-txt { color: var(--t-text); }
.c-mut { color: var(--t-muted); }
.c-fnt { color: var(--t-faint); }
.c-acc { color: var(--t-accent); }
.c-h1  { color: var(--t-accent); font-weight: 700; }
.c-lnk { color: var(--t-accent); }
.c-lnk2 { color: var(--t-accent); opacity: .45; }
.c-tag { color: var(--t-accent); }
.c-grn { color: var(--t-green); }
.c-kbd { color: var(--t-blue); }
.c-sel { background: var(--t-active); color: var(--t-text); }
.c-bar { background: var(--t-accent); color: var(--t-on-acc); font-weight: 700; }

.demo-foot {
  margin-top: 22px; max-width: 72ch; font-size: 15.5px; color: var(--mut);
}

/* ------------------------------------------------------- real media -- */

/* The mockup above is recoloured live by the theme switcher. These frames hold
   real captures, so they keep fixed colours: a frame that changed colour while
   the pixels inside it stayed put would read as a bug. */
.term-shell.is-fixed { background: #161616; border-color: var(--line-2); }
.term-shell.is-fixed,
.term-shell.is-fixed .term-chrome,
.term-shell.is-fixed .term-title { transition: none; }
.term-shell.is-fixed .term-chrome { border-bottom-color: #2f2f2f; }
.term-shell.is-fixed .term-title  { color: #6b6b6b; }

/* #282c34 is the terminal background baked into the captures, so the frame
   matches the image while it is still loading. */
.term-media {
  display: block; width: 100%; height: auto;
  background: #282c34;
}

.film-sec { padding: clamp(20px, 4vw, 40px) 0 clamp(40px, 6vw, 72px); }
.film { margin: 0; }
.film .demo-foot { margin-top: 18px; }

.shots-sec { padding: clamp(56px, 8vw, 96px) 0; }
.shots {
  margin-top: 34px;
  display: grid; gap: 26px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.shot { margin: 0; }
.shot figcaption {
  margin-top: 12px; font-size: 15px; line-height: 1.55; color: var(--mut);
}
.shot figcaption b { color: var(--txt); font-weight: 600; }

/* Two to a row, a 120-column terminal does not stay legible. The frame opens
   the capture at full size. */
.shot-link {
  display: block; border-radius: var(--r-lg); cursor: zoom-in;
  transition: transform .18s ease;
}
.shot-link:hover { transform: translateY(-2px); }
.shot-link:hover .term-shell { border-color: var(--acc); }
.shot-link:focus-visible { outline: 2px solid var(--acc-2); outline-offset: 4px; }

@media (max-width: 860px) {
  .shots { grid-template-columns: 1fr; gap: 30px; }
}

/* -------------------------------------------------------------- promises -- */

.promises { padding: clamp(40px, 6vw, 64px) 0; border-block: 1px solid var(--line); background: var(--bg-1); }
.promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; }
.promise h3 {
  font-size: 15px; font-weight: 600; letter-spacing: .02em;
  color: var(--txt); margin-bottom: 9px;
  display: flex; align-items: center; gap: 9px;
}
.promise h3::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--acc-2); flex: none;
}
.promise p { font-size: 15.5px; color: var(--mut); line-height: 1.6; }

/* -------------------------------------------------------------- sections -- */

.kicker {
  font-family: var(--mono); font-size: 12.5px; font-weight: 500;
  letter-spacing: .09em; text-transform: uppercase;
  color: var(--acc-2); margin-bottom: 14px;
}
section h2 { font-size: clamp(1.85rem, 3.6vw, 2.7rem); max-width: 22ch; letter-spacing: -.03em; }
.section-lede { margin-top: 20px; max-width: 62ch; color: var(--mut); font-size: 16.5px; }

.features { padding: clamp(72px, 10vw, 118px) 0; }

.bento {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin-top: 48px;
}
.card {
  grid-column: span 2;
  padding: 28px 28px 30px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.012));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: border-color .22s ease, transform .22s ease, background .22s ease;
}
.card.span2 { grid-column: span 4; }
.card:hover { border-color: var(--line-2); transform: translateY(-2px); }

.card-ico {
  width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center; margin-bottom: 18px;
  color: var(--acc-2); background: var(--acc-dim);
  border: 1px solid rgba(139,108,239,.24);
}
.card-ico svg { width: 20px; height: 20px; }
.card h3 { font-size: 1.22rem; margin-bottom: 11px; }
.card p { color: var(--mut); font-size: 16px; line-height: 1.62; }
.card .muted { display: block; margin-top: 12px; color: var(--fnt); font-size: 15px; }

/* ----------------------------------------------------------------- graph -- */

.graph-sec { padding: clamp(56px, 8vw, 96px) 0; border-block: 1px solid var(--line); background: var(--bg-1); }
.graph-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 56px; align-items: center; }
.graph-copy h2 { max-width: 18ch; }
.graph-copy p { margin-top: 20px; color: var(--mut); font-size: 16.5px; }
.graph-copy strong { color: var(--txt); font-family: var(--mono); font-size: .92em; font-weight: 500; }

.graph-frame {
  position: relative;
  border: 1px solid var(--line); border-radius: var(--r-lg);
  background: radial-gradient(120% 90% at 50% 0%, #14141d, #0c0c11);
  overflow: hidden;
}
#graph { width: 100%; height: auto; display: block; }
.graph-legend {
  position: absolute; left: 16px; bottom: 14px;
  display: flex; gap: 18px;
  font-family: var(--mono); font-size: 11.5px; color: var(--fnt);
}
.graph-legend span { display: inline-flex; align-items: center; gap: 7px; }
.node-solid, .node-hollow {
  width: 9px; height: 9px; border-radius: 50%; display: inline-block;
}
.node-solid { background: var(--acc-2); }
.node-hollow { border: 1.5px solid var(--acc-2); }

/* --------------------------------------------------------------- privacy -- */

.privacy { padding: clamp(72px, 10vw, 118px) 0; }
.privacy h2 { max-width: 30ch; }
.privacy-lede { margin-top: 24px; max-width: 64ch; color: var(--mut); font-size: 17px; }
.privacy-lede strong, .privacy-foot strong { color: var(--txt); font-weight: 600; }

.privacy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 40px; }
.pcard {
  padding: 26px 26px 28px;
  border: 1px solid var(--line); border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.008));
}
.pcard h3 { font-size: 1.03rem; margin-bottom: 16px; color: var(--txt); }

.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.ticks li {
  position: relative; padding-left: 27px;
  color: var(--mut); font-size: 15.5px;
}
.ticks li::before {
  content: ""; position: absolute; left: 2px; top: .48em;
  width: 10px; height: 6px;
  border-left: 1.8px solid var(--grn); border-bottom: 1.8px solid var(--grn);
  transform: rotate(-45deg);
}
.pnote { margin-top: 16px; font-size: 14.5px; color: var(--fnt); line-height: 1.6; }
.privacy-foot { margin-top: 26px; max-width: 70ch; font-size: 15.5px; color: var(--mut); }

.code {
  margin: 0; padding: 16px 18px;
  background: #0b0b10; border: 1px solid var(--line);
  border-radius: var(--r); overflow-x: auto;
  font-size: 13.5px; line-height: 1.75; color: var(--txt);
}
.code code { background: none; padding: 0; color: inherit; font-size: inherit; white-space: pre; }
.tk-sec { color: var(--acc-2); }
.tk-key { color: var(--t-blue, #4d9fff); }
.tk-str { color: var(--grn); }
.tk-cmd { color: var(--acc-2); }
.tk-cm  { color: var(--fnt); }

/* ------------------------------------------------------------------ keys -- */

.keys { padding: clamp(72px, 10vw, 118px) 0; border-top: 1px solid var(--line); background: var(--bg-1); }
.keytable {
  margin-top: 40px;
  border: 1px solid var(--line); border-radius: var(--r-lg);
  overflow: hidden; background: var(--bg-2);
  columns: 2; column-gap: 0;
}
.krow {
  display: flex; align-items: center; gap: 16px;
  padding: 13px 20px;
  border-bottom: 1px solid var(--line);
  break-inside: avoid;
}
.kk { flex: none; width: 168px; display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.kd { color: var(--mut); font-size: 15px; }
.kd kbd { margin-inline: 2px; }

kbd {
  display: inline-block;
  min-width: 22px; padding: 2px 7px;
  font-size: 12px; font-weight: 500; line-height: 1.5;
  text-align: center; color: var(--txt);
  background: #1c1c25; border: 1px solid var(--line-2);
  border-bottom-width: 2px; border-radius: 6px;
}

.keys-foot { margin-top: 26px; max-width: 68ch; font-size: 15.5px; color: var(--mut); }

/* --------------------------------------------------------------- install -- */

.install { padding: clamp(72px, 10vw, 118px) 0; }

.tabs {
  display: inline-flex; gap: 4px; margin-top: 40px; padding: 4px;
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 11px;
}
.tab {
  min-height: 38px; padding: 0 16px;
  border: 0; border-radius: 8px; background: transparent;
  color: var(--mut); font: inherit; font-size: 14.5px; font-weight: 500;
  cursor: pointer; transition: background .16s ease, color .16s ease;
}
.tab:hover { color: var(--txt); }
.tab.is-on { background: var(--bg-3); color: var(--txt); box-shadow: 0 1px 0 rgba(255,255,255,.05) inset; }

.panels { margin-top: 20px; }
.panel { max-width: 780px; }
.panel-note { margin-top: 14px; font-size: 15px; color: var(--fnt); line-height: 1.65; }
.panel-note code { color: var(--mut); background: rgba(255,255,255,.05); white-space: normal; }

.run { margin-top: 54px; max-width: 780px; }
.run h3 { font-size: 1.05rem; margin-bottom: 16px; }

/* ------------------------------------------------------------------- faq -- */

.faq { padding: clamp(72px, 10vw, 118px) 0; border-top: 1px solid var(--line); background: var(--bg-1); }
.faq h2 { margin-bottom: 40px; }

.faq details {
  border-bottom: 1px solid var(--line);
  max-width: 800px;
}
.faq details:first-of-type { border-top: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer;
  padding: 21px 44px 21px 0; position: relative;
  font-size: 17px; font-weight: 500; color: var(--txt);
  transition: color .16s ease;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--acc-2); }
.faq summary::after {
  content: ""; position: absolute; right: 8px; top: 50%;
  width: 10px; height: 10px; margin-top: -6px;
  border-right: 1.8px solid var(--fnt); border-bottom: 1.8px solid var(--fnt);
  transform: rotate(45deg);
  transition: transform .22s ease, border-color .16s ease;
}
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; border-color: var(--acc-2); }
.faq details p {
  padding: 0 40px 24px 0; margin-top: -4px;
  color: var(--mut); font-size: 16px; max-width: 68ch;
}

/* ---------------------------------------------------------------- closer -- */

.closer {
  position: relative;
  padding: clamp(84px, 12vw, 140px) 0;
  text-align: center;
  border-top: 1px solid var(--line);
}
.closer h2 { margin-inline: auto; max-width: 20ch; }
.closer > .wrap > p {
  margin-top: 16px; color: var(--mut);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

/* ---------------------------------------------------------------- footer -- */

.foot { border-top: 1px solid var(--line); background: var(--bg-1); padding: 44px 0 34px; }
.foot-in {
  display: flex; flex-wrap: wrap; gap: 26px 40px;
  align-items: center; justify-content: space-between;
}
.foot-brand { display: flex; align-items: center; gap: 13px; }
.foot-brand .mark { width: 30px; height: 30px; }
.foot-name { font-weight: 600; font-size: 15px; }
.foot-sub { font-size: 13.5px; color: var(--fnt); }
.foot-links { display: flex; flex-wrap: wrap; gap: 24px; }
.foot-links a { color: var(--mut); font-size: 14.5px; }
.foot-links a:hover { color: var(--txt); }

.credits { margin-top: 34px; padding-top: 26px; border-top: 1px solid var(--line); }
.credits p { max-width: 82ch; font-size: 13.5px; line-height: 1.7; color: var(--fnt); }
.credits a { color: var(--mut); }
.credits a:hover { color: var(--acc-2); }

/* ----------------------------------------------------------------- toast -- */

.toast {
  position: fixed; left: 50%; bottom: 28px; z-index: 90;
  transform: translate(-50%, 18px);
  padding: 11px 20px; border-radius: 10px;
  background: #16161e; border: 1px solid var(--grn);
  color: var(--txt); font-size: 14.5px; font-weight: 500;
  box-shadow: 0 14px 40px rgba(0,0,0,.6);
  opacity: 0; pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}
.toast.on { opacity: 1; transform: translate(-50%, 0); }

/* ------------------------------------------------------------ responsive -- */

@media (max-width: 980px) {
  .graph-grid { grid-template-columns: 1fr; gap: 34px; }
  .privacy-grid { grid-template-columns: 1fr; }
  .keytable { columns: 1; }
  .kk { width: 150px; }
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .promise-grid { grid-template-columns: 1fr; gap: 26px; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .card, .card.span2 { grid-column: span 2; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .wrap { padding-inline: 20px; }
  .hero h1 { max-width: none; }
  .hero h1 em { display: inline; }
  .cta-row { flex-direction: column; align-items: stretch; }
  .cta-row .btn, .cta-row .copy-cmd { width: 100%; }
  .copy-cmd code { font-size: 13px; }
  .bento { grid-template-columns: 1fr; }
  .card, .card.span2 { grid-column: span 1; }
  .tabs { display: grid; grid-template-columns: repeat(2, 1fr); width: 100%; }
  .krow { flex-direction: column; align-items: flex-start; gap: 7px; }
  .kk { width: auto; }
  .term { padding: 12px; }
  .demo-head { flex-direction: column; align-items: flex-start; }
  .foot-in { flex-direction: column; align-items: flex-start; }
}

/* --------------------------------------------------------------- motion -- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .card:hover { transform: none; }
}