:root {
  --surface: #FFFFFF;
  --paper: #FBFAF7;
  --sunken: #F1EEE7;
  --rule: #E2DFD8;
  --disabled: #B6B2A8;
  --muted: #5C6670;
  --ink: #14181C;
  --anchor: #1F3A5F;
  --anchor-hover: #16293F;
  --accent: #9A5B34;
  --pos: #1F6F5C;
  --neg: #A33A2A;
  --measure: 62ch;
}

html[data-theme="dark"] {
  --surface: #171D24;
  --paper: #10151A;
  --sunken: #1C232B;
  --rule: #262E36;
  --disabled: #48525C;
  --muted: #98A1AA;
  --ink: #ECEAE5;
  --anchor: #7FA3C9;
  --anchor-hover: #A2BEDB;
  --accent: #D69A63;
  --pos: #5FB89C;
  --neg: #E0806E;
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) {
    --surface: #171D24;
    --paper: #10151A;
    --sunken: #1C232B;
    --rule: #262E36;
    --disabled: #48525C;
    --muted: #98A1AA;
    --ink: #ECEAE5;
    --anchor: #7FA3C9;
    --anchor-hover: #A2BEDB;
    --accent: #D69A63;
    --pos: #5FB89C;
    --neg: #E0806E;
  }
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .display {
  font-family: 'Archivo', system-ui, sans-serif;
  font-weight: 600;
  margin: 0;
}

h1, .display {
  font-size: clamp(32px, 5.2vw, 58px);
  letter-spacing: -0.035em;
  line-height: 1.05;
}

h2 {
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: -0.03em;
  line-height: 1.12;
}

h3 {
  font-size: 21px;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

p { margin: 0 0 1.1em; max-width: var(--measure); }
p:last-child { margin-bottom: 0; }

a { color: var(--anchor); text-decoration: none; border-bottom: 1px solid var(--rule); }
a:hover { color: var(--anchor-hover); border-bottom-color: var(--anchor-hover); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.label {
  font-family: 'DM Mono', ui-monospace, monospace;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 14px;
}

.fig {
  font-family: 'DM Mono', ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
}

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 32px; }

.skip {
  position: absolute; left: -9999px;
  background: var(--anchor); color: var(--paper);
  padding: 12px 18px; z-index: 50;
}
.skip:focus { left: 12px; top: 12px; }

/* ---------- header ---------- */

.site-header {
  height: 84px;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky; top: 0; z-index: 40;
}
.site-header .wrap {
  height: 100%;
  display: flex; align-items: center; gap: 32px;
}

.brand {
  display: flex; align-items: center; gap: 10px;
  border-bottom: 0; color: var(--ink);
  margin-right: auto;
}
.monogram {
  width: 26px; height: 26px;
  background: var(--anchor); color: var(--paper);
  font-family: 'Archivo', sans-serif; font-weight: 700; font-size: 16px;
  display: flex; align-items: center; justify-content: center;
}
.wordmark {
  font-family: 'Archivo', sans-serif; font-weight: 600;
  font-size: 17px; letter-spacing: -0.03em;
}

.nav { display: flex; align-items: center; gap: 24px; }
.menu-btn {
  display: none; margin-left: auto;
  font-family: 'DM Mono', monospace; font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; background: transparent; color: var(--ink);
  border: 1px solid var(--rule); padding: 10px 14px; cursor: pointer;
}
.nav a {
  font-size: 13px; color: var(--muted); border-bottom: 2px solid transparent;
  padding-bottom: 3px;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

.btn {
  display: inline-block;
  background: var(--anchor); color: var(--paper);
  font-family: 'IBM Plex Sans', sans-serif; font-size: 14px; font-weight: 500;
  padding: 11px 20px; border: 1px solid var(--anchor); border-radius: 0;
  cursor: pointer; border-bottom: 1px solid var(--anchor);
}
.btn:hover { background: var(--anchor-hover); border-color: var(--anchor-hover); color: var(--paper); }
.btn:disabled { background: var(--disabled); border-color: var(--disabled); cursor: not-allowed; }

.btn-quiet {
  background: transparent; color: var(--anchor); border: 1px solid var(--rule);
}
.btn-quiet:hover { background: transparent; color: var(--anchor-hover); border-color: var(--anchor); }

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

section { padding: 96px 0; border-bottom: 1px solid var(--rule); }
section.sunken { background: var(--sunken); }
section.surface { background: var(--surface); }

.lede { max-width: var(--measure); }
.lede p { font-size: 19px; }

.hero { padding: 104px 0 0; }
.hero h1 { max-width: 16ch; }
.hero .sub { font-size: 20px; max-width: 56ch; margin-top: 24px; color: var(--muted); }
.hero .cta-row { margin-top: 36px; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }

.cols3 {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px;
  margin-top: 48px;
}
.cols3 .item { border-top: 2px solid var(--accent); padding-top: 16px; }
.cols3 .item h3 { font-size: 17px; margin-bottom: 8px; }
.cols3 .item p { font-size: 15px; color: var(--muted); }

.stack { display: flex; flex-direction: column; gap: 72px; margin-top: 56px; }
.layer h3 { margin-bottom: 12px; }
.layer .body { max-width: var(--measure); }
.layer ul { max-width: var(--measure); padding-left: 18px; margin: 0; }
.layer li { margin-bottom: 10px; font-size: 16px; }

.feature { border-top: 1px solid var(--rule); padding-top: 28px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 48px; }
.features h3 { font-size: 19px; margin-bottom: 12px; }
.features p { font-size: 15px; }

.compare { margin-top: 48px; display: flex; flex-direction: column; gap: 36px; }
.compare .row { border-top: 1px solid var(--rule); padding-top: 20px; display: grid; grid-template-columns: 260px 1fr; gap: 40px; }
.compare .row h3 { font-size: 16px; color: var(--muted); font-family: 'IBM Plex Sans', sans-serif; font-weight: 500; letter-spacing: 0; }
.compare .row p { font-size: 16px; }

.integrations { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.integrations span {
  font-family: 'DM Mono', monospace; font-size: 13px;
  border: 1px solid var(--rule); padding: 10px 16px; color: var(--ink);
}

.quote { border-left: 2px solid var(--accent); padding-left: 28px; margin: 40px 0 0; max-width: 58ch; }
.quote p { font-size: 21px; line-height: 1.45; letter-spacing: -0.01em; }
.quote cite {
  font-family: 'DM Mono', monospace; font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted); font-style: normal; display: block; margin-top: 18px;
}

.partner-row { display: flex; gap: 24px; margin-top: 40px; flex-wrap: wrap; }
.partner-card {
  display: block; border: 1px solid var(--rule); background: var(--paper);
  padding: 28px; max-width: 380px; color: var(--ink);
}
a.partner-card:hover { border-color: var(--anchor); color: var(--ink); }
.partner-card .name { display: block; font-family: 'Archivo', sans-serif; font-weight: 600; font-size: 22px; letter-spacing: -0.03em; }
.partner-card .role { display: block; font-size: 14px; color: var(--muted); margin-top: 8px; }
.partner-card .visit {
  display: block; margin-top: 18px; font-family: 'DM Mono', monospace;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--anchor);
}

/* ---------- product screens ---------- */

.screen { margin-top: 40px; border: 1px solid var(--rule); overflow: hidden; background: var(--surface); }
.screen-scaler { width: 1440px; transform-origin: top left; }
.screen .frame-light { display: block; }
.screen .frame-dark { display: none; }
html[data-theme="dark"] .screen .frame-light { display: none; }
html[data-theme="dark"] .screen .frame-dark { display: block; }
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .screen .frame-light { display: none; }
  html:not([data-theme="light"]) .screen .frame-dark { display: block; }
}
.screen-crop { display: none; padding: 0; }
.screen-crop .crop-light, .screen-crop .crop-dark { width: 100% !important; max-width: 380px; }
.screen-crop .crop-dark { display: none; }
html[data-theme="dark"] .screen-crop .crop-light { display: none; }
html[data-theme="dark"] .screen-crop .crop-dark { display: block; }
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .screen-crop .crop-light { display: none; }
  html:not([data-theme="light"]) .screen-crop .crop-dark { display: block; }
}

.screen-note {
  font-family: 'DM Mono', monospace; font-size: 11px; letter-spacing: 0.08em;
  color: var(--muted); margin-top: 10px;
}

/* ---------- forms ---------- */

.form { margin-top: 40px; max-width: 620px; }
.field { margin-bottom: 20px; }
.field label {
  font-family: 'DM Mono', monospace; font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted); display: block; margin-bottom: 8px;
}
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; font-size: 15px;
  font-family: 'IBM Plex Sans', sans-serif;
  background: var(--surface); color: var(--ink);
  border: 1px solid var(--rule); border-radius: 0;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--anchor); }
.field input:disabled, .field select:disabled, .field textarea:disabled {
  background: var(--sunken); color: var(--disabled); cursor: not-allowed;
}
.field-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-note {
  font-family: 'DM Mono', monospace; font-size: 11px; line-height: 1.7;
  color: var(--accent); border: 1px dashed var(--disabled);
  padding: 14px 16px; margin-bottom: 24px;
}
.under-btn { font-size: 13px; color: var(--muted); margin-top: 14px; }
.opt { text-transform: none; letter-spacing: 0; color: var(--disabled); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.err {
  display: block; margin-top: 7px; font-size: 13px; color: var(--neg);
}
.err::before { content: "\25BC  "; }
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: var(--neg); }
.form-status {
  border: 1px solid var(--rule); padding: 16px 18px; margin-bottom: 24px;
  font-size: 15px; max-width: none;
}
.form-status[data-kind="ok"] { border-color: var(--pos); color: var(--ink); }
.form-status[data-kind="bad"] { border-color: var(--neg); color: var(--ink); }
.form-status strong { font-weight: 500; }

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

.site-footer { padding: 56px 0 72px; background: var(--paper); }
.footer-grid { display: flex; gap: 48px; align-items: flex-start; flex-wrap: wrap; }
.site-footer .tag { font-size: 14px; color: var(--muted); max-width: 34ch; }
.site-footer nav { display: flex; gap: 24px; flex-wrap: wrap; }
.site-footer nav a { font-size: 13px; color: var(--muted); border-bottom: none; }
.site-footer nav a:hover { color: var(--ink); }
.theme-toggle { margin-left: auto; display: flex; gap: 0; border: 1px solid var(--rule); }
.theme-toggle button {
  font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  background: transparent; color: var(--muted); border: 0; padding: 8px 12px; cursor: pointer;
}
.theme-toggle button[aria-pressed="true"] { background: var(--sunken); color: var(--ink); }

.legal { font-size: 12px; color: var(--muted); margin-top: 40px; }

/* ---------- error page ---------- */

.error-page { padding: 140px 0; }
.error-page .code {
  font-family: 'DM Mono', monospace; font-size: 11px; letter-spacing: 0.14em;
  color: var(--muted); display: block; margin-bottom: 20px;
}

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

@media (max-width: 900px) {
  .cols3, .features { grid-template-columns: 1fr; gap: 32px; }
  .compare .row { grid-template-columns: 1fr; gap: 12px; }
  .field-pair { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
  .hero { padding: 64px 0 0; }
}

@media (max-width: 700px) {
  .screen { border: 0; height: auto !important; }
  .screen-scaler { display: none; }
  .screen-crop { display: block; }
  .screen.no-crop { display: none; }
  .screen.no-crop + .screen-note { display: none; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .wrap { padding: 0 20px; }

  .site-header { height: 64px; }
  .site-header .wrap { gap: 16px; }
  .nav { display: none; }
  .nav.open {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--rule);
    padding: 8px 20px 16px;
  }
  .nav.open a { padding: 14px 0; border-bottom: 1px solid var(--rule); font-size: 15px; }
  .menu-btn { display: block; }
  .site-header .btn { display: none; }

  .hero .sub { font-size: 17px; }
  .hero .cta-row .btn { width: 100%; text-align: center; }
  .quote p { font-size: 18px; }

  .field input, .field select, .field textarea { min-height: 52px; font-size: 16px; }
  .field textarea { min-height: 120px; }
  .btn { min-height: 52px; padding: 15px 20px; }
  .theme-toggle button { min-height: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}