@import url("fonts.css");

/* =========================================================================
   Certos — design system
   Concept: "schematic sheet". A drawing-sheet hairline field carries the page;
   bright bench-white bands alternate with always-dark instrument panels.
   ========================================================================= */

:root {
  color-scheme: light;

  /* --- palette: light (bench) ------------------------------------------ */
  --bg:        #F3F6F5;
  --bg-2:      #EAEFEE;
  --surface:   #FFFFFF;
  --surface-2: #F8FAFA;
  --line:      #DCE5E3;
  --line-2:    #C2D0CD;
  --tx:        #0C1416;
  --tx-2:      #3E4C50;
  --tx-3:      #6A797D;
  --shadow:    0 1px 2px rgba(12, 20, 22, .05), 0 12px 32px -18px rgba(12, 20, 22, .28);

  /* --- fixed instrument panel (identical in both themes) --------------- */
  --pn:        #0A1114;
  --pn-2:      #101A1F;
  --pn-3:      #16232A;
  --pn-line:   #1F2E34;
  --pn-line-2: #2C4048;
  --pn-tx:     #E7EFF0;
  --pn-tx-2:   #9AAFB4;
  --pn-tx-3:   #75898E;

  /* --- signal + accent -------------------------------------------------- */
  --signal:    #10A992;
  --signal-b:  #14B89E;   /* on dark grounds */
  --signal-2:  #5FC96E;
  --ember:     #D9481A;
  --ember-b:   #F0642F;   /* on dark grounds */
  --sig-grad:  linear-gradient(96deg, var(--signal-b), var(--signal-2));

  /* --- type ------------------------------------------------------------- */
  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body:    "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --f-mono:    "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --t-hero:  clamp(2.5rem, 1.35rem + 4.6vw, 5rem);
  --t-h1:    clamp(2.05rem, 1.45rem + 2.5vw, 3.4rem);
  --t-h2:    clamp(1.65rem, 1.28rem + 1.6vw, 2.5rem);
  --t-h3:    clamp(1.14rem, 1.06rem + .34vw, 1.35rem);
  --t-lead:  clamp(1.03rem, .99rem + .32vw, 1.22rem);
  --t-sm:    .875rem;
  --t-xs:    .765rem;

  /* --- metrics ---------------------------------------------------------- */
  --gutter: clamp(20px, 4.5vw, 56px);
  --wrap: 1240px;
  --band: clamp(56px, 7vw, 104px);
  --r: 3px;          /* the sheet is drawn, not rounded */
  --r-lg: 5px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg:        #080E11;
    --bg-2:      #0C1417;
    --surface:   #101A1E;
    --surface-2: #0D171A;
    --line:      #1E2C31;
    --line-2:    #2E434A;
    --tx:        #E7EFF0;
    --tx-2:      #A8BABE;
    --tx-3:      #7E9398;
    --signal:    #14B89E;
    --ember:     #F0642F;
    --shadow:    0 1px 2px rgba(0, 0, 0, .4), 0 14px 34px -20px rgba(0, 0, 0, .9);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg:        #080E11;
  --bg-2:      #0C1417;
  --surface:   #101A1E;
  --surface-2: #0D171A;
  --line:      #1E2C31;
  --line-2:    #2E434A;
  --tx:        #E7EFF0;
  --tx-2:      #A8BABE;
  --tx-3:      #7E9398;
  --signal:    #14B89E;
  --ember:     #F0642F;
  --shadow:    0 1px 2px rgba(0, 0, 0, .4), 0 14px 34px -20px rgba(0, 0, 0, .9);
}

/* =========================================================================
   base
   ========================================================================= */

*, *::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(--bg);
  color: var(--tx);
  font-family: var(--f-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg, video { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -.022em;
  text-wrap: balance;
  margin: 0;
}
h1 { font-size: var(--t-h1); }
h2 { font-size: var(--t-h2); }
h3 { font-size: var(--t-h3); line-height: 1.24; letter-spacing: -.01em; }
p  { margin: 0; }

a { color: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible,
input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: color-mix(in srgb, var(--signal) 26%, transparent); }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--tx); color: var(--bg); padding: 12px 18px;
  font: 500 var(--t-sm)/1 var(--f-mono);
}
.skip:focus { left: 12px; top: 12px; }

/* =========================================================================
   layout primitives
   ========================================================================= */

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

.band { padding-block: var(--band); position: relative; }
.band--tight { padding-block: clamp(40px, 5vw, 72px); }

/* the drawing-sheet hairline field */
.sheet {
  position: relative;
  isolation: isolate;
}
.sheet::before {
  content: "";
  position: absolute;
  inset-block: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(100% - (var(--gutter) * 2), var(--wrap) - (var(--gutter) * 2));
  pointer-events: none;
  z-index: -1;
  background-image: repeating-linear-gradient(
    to right,
    var(--line) 0 1px,
    transparent 1px calc(100% / 4)
  );
  background-size: 100% 100%;
  opacity: .85;
}
@media (max-width: 720px) { .sheet::before { display: none; } }

/* dark instrument band — fixed colours, both themes */
.panel {
  background: var(--pn);
  color: var(--pn-tx);
  --line: var(--pn-line);
  --line-2: var(--pn-line-2);
  --tx: var(--pn-tx);
  --tx-2: var(--pn-tx-2);
  --tx-3: var(--pn-tx-3);
  --surface: var(--pn-2);
  --surface-2: var(--pn-3);
  --signal: var(--signal-b);
  --ember: var(--ember-b);
  --shadow: 0 1px 2px rgba(0,0,0,.5), 0 16px 40px -22px rgba(0,0,0,1);
}

/* =========================================================================
   section header: mono eyebrow on a full-width rule
   ========================================================================= */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font: 500 var(--t-xs)/1 var(--f-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--tx-3);
  margin-bottom: 20px;
}
.eyebrow::before {
  content: "";
  width: 7px; height: 7px; flex: none;
  background: var(--sig-grad);
}
.eyebrow::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--line);
}

.s-head { max-width: 62ch; }
.s-head > p { color: var(--tx-2); font-size: var(--t-lead); margin-top: 18px; }
.lead { color: var(--tx-2); font-size: var(--t-lead); }

.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* =========================================================================
   buttons
   ========================================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  font: 600 var(--t-sm)/1 var(--f-body);
  letter-spacing: .005em;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--r);
  cursor: pointer;
  transition: transform .18s ease, background-color .18s ease, border-color .18s ease, color .18s ease;
}
.btn svg { width: 15px; height: 15px; flex: none; }
.btn:hover { transform: translateY(-1px); }

.btn--primary { background: var(--ember); color: #fff; }
.btn--primary:hover { background: color-mix(in srgb, var(--ember) 86%, #000); }

.btn--ghost { border-color: var(--line-2); color: var(--tx); background: transparent; }
.btn--ghost:hover { border-color: var(--tx-3); background: color-mix(in srgb, var(--tx) 5%, transparent); }

.btn--solid { background: var(--tx); color: var(--bg); }
.btn--solid:hover { background: color-mix(in srgb, var(--tx) 85%, var(--signal)); }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* inline text link with a signal underline */
.tlink {
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--tx);
  border-bottom: 1px solid var(--signal);
  padding-bottom: 2px;
  transition: gap .18s ease, color .18s ease;
}
.tlink:hover { gap: 12px; color: var(--signal); }

/* =========================================================================
   masthead
   ========================================================================= */

.masthead {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}
.masthead__in {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 68px;
}

.mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.12rem;
  font-stretch: 108%;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--tx);
  margin-right: auto;
}
.mark__glyph { width: 22px; height: 22px; flex: none; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  text-decoration: none;
  font-size: var(--t-sm);
  font-weight: 500;
  color: var(--tx-2);
  padding: 9px 13px;
  border-radius: var(--r);
  transition: color .16s ease, background-color .16s ease;
}
.nav a:hover { color: var(--tx); background: color-mix(in srgb, var(--tx) 6%, transparent); }
.nav a[aria-current="page"] { color: var(--tx); font-weight: 600; }

.nav__item { position: relative; }
.nav__item > a::after {
  content: "";
  display: inline-block;
  width: 5px; height: 5px;
  margin-left: 8px;
  border-right: 1.4px solid currentColor;
  border-bottom: 1.4px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  opacity: .6;
}
.nav__sub {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 268px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  padding: 6px;
  display: grid;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-5px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s;
}
.nav__item:hover .nav__sub,
.nav__item:focus-within .nav__sub { opacity: 1; visibility: visible; transform: none; }
.nav__sub a { display: block; padding: 10px 12px; }
.nav__sub b { display: block; font-weight: 600; color: var(--tx); font-size: var(--t-sm); }
.nav__sub span { display: block; font-size: var(--t-xs); color: var(--tx-3); line-height: 1.45; margin-top: 2px; }

.masthead .btn { padding: 10px 16px; }

.icon-btn {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--r);
  color: var(--tx-2);
  cursor: pointer;
}
.icon-btn:hover { color: var(--tx); border-color: var(--line-2); }
.icon-btn svg { width: 17px; height: 17px; }
.theme-toggle .moon { display: none; }
:root[data-theme="dark"] .theme-toggle .moon { display: block; }
:root[data-theme="dark"] .theme-toggle .sun { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .moon { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .sun { display: none; }
}

.burger { display: none; }

@media (max-width: 1000px) {
  .nav, .masthead .btn--primary { display: none; }
  .burger { display: grid; }
}

.drawer {
  display: none;
  border-top: 1px solid var(--line);
  background: var(--bg);
  padding-block: 18px 26px;
}
.drawer[data-open="true"] { display: block; }
.drawer nav { display: grid; gap: 2px; }
.drawer a {
  text-decoration: none;
  padding: 12px 2px;
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--tx);
  border-bottom: 1px solid var(--line);
}
.drawer a.sub { padding-left: 20px; font-size: var(--t-sm); color: var(--tx-2); }
.drawer .btn { margin-top: 18px; justify-content: center; }

/* =========================================================================
   hero
   ========================================================================= */

.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(52px, 6.5vw, 92px) clamp(56px, 7vw, 104px);
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  gap: clamp(32px, 4.5vw, 68px);
  align-items: center;
}
@media (max-width: 980px) { .hero__grid { grid-template-columns: minmax(0, 1fr); } }

.hero h1 {
  font-size: var(--t-hero);
  font-stretch: 103%;
  letter-spacing: -.03em;
  line-height: .98;
}
.hero h1 em {
  font-style: normal;
  background: var(--sig-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lead { margin-top: 24px; max-width: 52ch; color: var(--tx-2); font-size: var(--t-lead); }
.hero .btn-row { margin-top: 32px; }

.hero__meta {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  font: 500 var(--t-xs)/1.5 var(--f-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--tx-3);
}
.hero__meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero__meta span::before {
  content: "";
  width: 5px; height: 5px; flex: none;
  background: var(--signal);
}

/* ambient field behind the hero (dark band only) */
.hero--panel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(720px 380px at 76% 22%, color-mix(in srgb, var(--signal-b) 12%, transparent), transparent 68%),
    radial-gradient(560px 300px at 8% 96%, color-mix(in srgb, var(--ember-b) 8%, transparent), transparent 70%);
}
.hero--panel > * { position: relative; z-index: 1; }

/* =========================================================================
   the 90 / 10 stack — the product thesis, drawn
   ========================================================================= */

.stack {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--r-lg);
  padding: 18px;
  box-shadow: var(--shadow);
}
.stack__bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  font: 500 var(--t-xs)/1 var(--f-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--tx-3);
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.stack__layer {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 14px 16px;
  background: var(--surface-2);
}
.stack__layer + .stack__layer { margin-top: 10px; }
.stack__layer h4 {
  font-family: var(--f-mono);
  font-size: var(--t-xs);
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--tx-2);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.stack__layer h4 b {
  font-family: var(--f-display);
  font-stretch: 70%;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1;
  color: var(--tx);
  font-variant-numeric: tabular-nums;
}
.stack__layer--custom {
  border-style: dashed;
  border-color: var(--line-2);
  background: transparent;
}
.stack__layer--custom h4 b { color: var(--ember); }
.stack__layer--core {
  background: linear-gradient(150deg,
    color-mix(in srgb, var(--signal-b) 16%, var(--surface-2)),
    var(--surface-2) 62%);
  border-color: color-mix(in srgb, var(--signal-b) 34%, var(--line));
}
.stack__layer--core h4 b {
  background: var(--sig-grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips span {
  font: 500 .68rem/1 var(--f-mono);
  letter-spacing: .04em;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--tx-2);
  background: color-mix(in srgb, var(--tx) 3%, transparent);
  white-space: nowrap;
}
.stack__layer--core .chips span {
  border-color: color-mix(in srgb, var(--signal-b) 26%, var(--line));
}

.stack__io {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font: 500 .68rem/1.7 var(--f-mono);
  letter-spacing: .06em;
  color: var(--tx-3);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  white-space: nowrap;
  max-width: 100%;
}

/* =========================================================================
   figures
   ========================================================================= */

.fig {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.fig img { width: 100%; }
.fig--contain { background: linear-gradient(170deg, var(--surface-2), var(--surface)); }
.fig--contain img {
  padding: clamp(12px, 3vw, 28px);
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
}
.fig--square img { aspect-ratio: 1 / 1; }
.fig figcaption {
  border-top: 1px solid var(--line);
  padding: 12px 16px;
  font: 500 var(--t-xs)/1.5 var(--f-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--tx-3);
  display: flex;
  gap: 10px;
  align-items: baseline;
}
.fig figcaption b { color: var(--signal); font-weight: 500; flex: none; }

/* =========================================================================
   cards / grids
   ========================================================================= */

.grid { display: grid; gap: clamp(14px, 1.6vw, 20px); }
.grid > *, .split > *, .hero__grid > *, .cta > *, .stats > *, .foot__in > * { min-width: 0; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 980px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: minmax(0, 1fr); } }

.card {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--r-lg);
  padding: clamp(20px, 2.2vw, 28px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color .2s ease, transform .2s ease;
}
.card p { color: var(--tx-2); font-size: .95rem; }
.card--link { text-decoration: none; }
.card--link:hover { border-color: var(--line-2); transform: translateY(-2px); }

.card__num {
  font: 500 var(--t-xs)/1 var(--f-mono);
  letter-spacing: .14em;
  color: var(--tx-3);
}

/* feature list with a signal tick */
.feat { display: grid; gap: 10px; }
.feat > div {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  display: grid;
  gap: 8px;
}
.feat h3 { display: flex; gap: 11px; align-items: flex-start; }
.feat h3::before {
  content: "";
  width: 8px; height: 8px; flex: none;
  margin-top: .42em;
  background: var(--sig-grad);
}
.feat p { color: var(--tx-2); font-size: .95rem; }

/* spec list: mono key / value rows */
.spec { display: grid; gap: 0; }
.spec > div {
  display: grid;
  grid-template-columns: minmax(120px, 210px) 1fr;
  gap: 8px 24px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}
.spec > div:last-child { border-bottom: 1px solid var(--line); }
.spec dt, .spec .k {
  font: 500 var(--t-xs)/1.6 var(--f-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--tx-3);
  margin: 0;
}
.spec dd, .spec .v { margin: 0; font-size: .95rem; color: var(--tx-2); }
.spec dd strong, .spec .v strong { color: var(--tx); font-weight: 600; }
@media (max-width: 620px) { .spec > div { grid-template-columns: minmax(0, 1fr); } }

/* tag cloud of short capability names */
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags li {
  list-style: none;
  font: 500 var(--t-xs)/1 var(--f-mono);
  letter-spacing: .04em;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--tx-2);
}
.tags--plain { padding: 0; margin: 0; }

/* =========================================================================
   stats
   ========================================================================= */

.stats {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.stats > div {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(18px, 2.2vw, 28px);
  display: grid;
  gap: 8px;
  align-content: start;
}
.stats b {
  font-family: var(--f-display);
  font-stretch: 68%;
  font-weight: 700;
  font-size: clamp(2.4rem, 1.4rem + 3.2vw, 4rem);
  line-height: .9;
  letter-spacing: -.01em;
  font-variant-numeric: tabular-nums;
  color: var(--tx);
}
.stats span {
  font-size: var(--t-sm);
  color: var(--tx-2);
  line-height: 1.4;
}
@media (max-width: 900px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 460px) { .stats { grid-template-columns: minmax(0, 1fr); } }

/* =========================================================================
   accordion (long technical content, kept scannable)
   ========================================================================= */

.acc { border-top: 1px solid var(--line); }
.acc details { border-bottom: 1px solid var(--line); }
.acc summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 44px 20px 0;
  position: relative;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: var(--t-h3);
  letter-spacing: -.01em;
  line-height: 1.3;
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after {
  content: "";
  position: absolute;
  right: 8px; top: 50%;
  width: 11px; height: 11px;
  margin-top: -7px;
  border-right: 1.6px solid var(--tx-3);
  border-bottom: 1.6px solid var(--tx-3);
  transform: rotate(45deg);
  transition: transform .2s ease;
}
.acc details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.acc summary:hover { color: var(--signal); }
.acc__body { padding-bottom: 24px; display: grid; gap: 14px; max-width: 78ch; }
.acc__body p { color: var(--tx-2); font-size: .95rem; }
.acc__body ul { margin: 0; padding-left: 0; list-style: none; display: grid; gap: 7px; }
.acc__body ul li {
  position: relative;
  padding-left: 18px;
  font-size: .93rem;
  color: var(--tx-2);
}
.acc__body ul li::before {
  content: "";
  position: absolute;
  left: 0; top: .62em;
  width: 7px; height: 1.5px;
  background: var(--signal);
}
.acc__body ul.cols { grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); }

/* =========================================================================
   people
   ========================================================================= */

.person { display: grid; gap: 16px; }
.person img {
  width: 112px; height: 112px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--line);
}
.person h3 { font-size: 1.18rem; }
.person .role {
  font: 500 var(--t-xs)/1 var(--f-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--signal);
  margin-top: 6px;
}
.person p { color: var(--tx-2); font-size: .95rem; margin-top: 10px; }

/* =========================================================================
   cta band
   ========================================================================= */

.cta { display: grid; gap: 28px; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); align-items: center; }
@media (max-width: 860px) { .cta { grid-template-columns: minmax(0, 1fr); } }
.cta h2 { font-stretch: 104%; }

/* =========================================================================
   forms
   ========================================================================= */

.form { display: grid; gap: 16px; }
.field { display: grid; gap: 7px; }
.field label {
  font: 500 var(--t-xs)/1 var(--f-mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--tx-3);
}
.field label .req { color: var(--ember); }
.field input, .field select, .field textarea {
  font-family: var(--f-body);
  font-size: .95rem;
  color: var(--tx);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 12px 13px;
  width: 100%;
}
.field textarea { resize: vertical; min-height: 112px; }
.field input::placeholder, .field textarea::placeholder { color: var(--tx-3); }
.form__row { display: grid; gap: 16px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 620px) { .form__row { grid-template-columns: minmax(0, 1fr); } }
.form__note { font-size: var(--t-xs); color: var(--tx-3); line-height: 1.6; }

/* =========================================================================
   long-form legal / prose
   ========================================================================= */

.prose { max-width: 74ch; }
.prose h2 {
  font-size: clamp(1.35rem, 1.2rem + .7vw, 1.8rem);
  margin-top: 52px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.prose h3 { margin-top: 32px; font-size: 1.08rem; }
.prose h2:first-child { margin-top: 0; border-top: 0; padding-top: 0; }
.prose p, .prose li { color: var(--tx-2); }
.prose p { margin-top: 14px; }
.prose ul { margin-top: 14px; padding-left: 20px; display: grid; gap: 6px; }
.prose a { color: var(--signal); }
.prose address {
  font-style: normal;
  margin-top: 16px;
  line-height: 1.8;
  color: var(--tx-2);
}

/* =========================================================================
   footer
   ========================================================================= */

.foot { background: var(--pn); color: var(--pn-tx); }
.foot__in {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: 36px;
  padding-block: clamp(48px, 6vw, 76px) 32px;
}
@media (max-width: 900px) { .foot__in { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .foot__in { grid-template-columns: minmax(0, 1fr); } }
.foot .mark { color: var(--pn-tx); margin-right: 0; }
.foot h4 {
  font: 500 var(--t-xs)/1 var(--f-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--pn-tx-3);
  margin-bottom: 16px;
}
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.foot a { color: var(--pn-tx-2); text-decoration: none; font-size: .92rem; }
.foot a:hover { color: var(--pn-tx); }
.foot address { font-style: normal; color: var(--pn-tx-2); font-size: .92rem; line-height: 1.8; }
.foot__bar {
  border-top: 1px solid var(--pn-line);
  padding-block: 22px 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  align-items: center;
  justify-content: space-between;
  font: 500 var(--t-xs)/1.6 var(--f-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--pn-tx-3);
}

/* =========================================================================
   motion — from a visible resting state
   ========================================================================= */

@media (prefers-reduced-motion: no-preference) {
  .rise { animation: rise .62s cubic-bezier(.2, .7, .3, 1) both; }
  .rise:nth-child(2) { animation-delay: .05s; }
  .rise:nth-child(3) { animation-delay: .1s; }
  @keyframes rise {
    from { opacity: .001; transform: translateY(14px); }
    to   { opacity: 1; transform: none; }
  }
  .stack__layer { animation: layer .7s cubic-bezier(.2, .7, .3, 1) both; }
  .stack__layer--core { animation-delay: .12s; }
  @keyframes layer {
    from { opacity: .001; transform: translateY(10px) scale(.99); }
    to   { opacity: 1; transform: none; }
  }
}

/* =========================================================================
   utilities
   ========================================================================= */

.mt-s { margin-top: 16px; }
.mt-m { margin-top: 28px; }
.mt-l { margin-top: clamp(32px, 4vw, 56px); }
.center { text-align: center; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 4vw, 64px); align-items: center; }
.split--wide-left { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); }
@media (max-width: 900px) { .split, .split--wide-left { grid-template-columns: minmax(0, 1fr); } }