/*
  trackxpense.com: one static page, no scripts, no web fonts, no gradients.
  Colours are the web app's own tokens (web/src/styles/_tokens.scss): warm neutrals and the indigo brand #5B5BD6.
  Each text and background pair below is at least 4.5:1 (WCAG 2.2 AA), in light and in dark.
*/

:root {
  color-scheme: light dark;

  --font-sans: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;

  --bg: #f7f5f1;
  --surface: #ffffff;
  --surface-2: #f1eee8;
  --border: #e4dfd6;
  --border-strong: #cbc4b8;

  --text: #1c1a17;
  --text-2: #4a453e;

  --brand: #4646c2;
  --brand-solid: #5b5bd6;
  --brand-soft: #ecebfd;
  --brand-border: #c4c3f4;
  --on-brand: #ffffff;

  --warn-ink: #7a4a00;
  --warn-soft: #fdf1d8;
  --warn-border: #e8c27a;

  --focus: #4646c2;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131210;
    --surface: #1b1a17;
    --surface-2: #23221e;
    --border: #34312b;
    --border-strong: #4a463e;

    --text: #f2efe9;
    --text-2: #bdb7ac;

    --brand: #a5a6f6;
    --brand-soft: #25244a;
    --brand-border: #3d3c78;

    --warn-ink: #f2c46a;
    --warn-soft: #2b2110;
    --warn-border: #6b5120;

    --focus: #a5a6f6;
  }
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
}

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

a {
  color: var(--brand);
  text-underline-offset: 0.2em;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 10;
  padding: 0.75rem 1rem;
  background: var(--brand-solid);
  color: var(--on-brand);
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: 100%;
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 max(1rem, env(safe-area-inset-left)) 0 max(1rem, env(safe-area-inset-right));
}

/* Header */

.site-header {
  padding: 1.25rem 0 0.5rem;
}

.logo {
  display: block;
  width: 10.5rem;
  height: auto;
  color: var(--text);
}

/* Hero */

.hero {
  padding: 2rem 0 2.5rem;
}

.hero h1 {
  font-size: clamp(2rem, 7.5vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  font-weight: 750;
}

.lead {
  margin-top: 1rem;
  font-size: 1.1875rem;
  color: var(--text-2);
  max-width: 36rem;
}

.status {
  margin-top: 1.5rem;
  padding: 0.875rem 1rem;
  background: var(--warn-soft);
  border: 1px solid var(--warn-border);
  border-radius: 12px;
  color: var(--warn-ink);
  max-width: 36rem;
}

.status strong {
  display: block;
  font-size: 1.0625rem;
}

.status p {
  margin-top: 0.25rem;
  font-size: 1rem;
}

/* Sections */

.section {
  padding: 2.25rem 0;
  border-top: 1px solid var(--border);
}

.section h2 {
  font-size: 1.5rem;
  line-height: 1.25;
  font-weight: 700;
}

.section-intro {
  margin-top: 0.5rem;
  color: var(--text-2);
  max-width: 36rem;
}

.promises {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding: 0;
  list-style: none;
}

.promises li {
  padding: 1rem;
  background: var(--brand-soft);
  border: 1px solid var(--brand-border);
  border-radius: 12px;
}

.promises strong,
.capabilities h3 {
  display: block;
  font-size: 1.0625rem;
  line-height: 1.35;
  font-weight: 700;
}

.promises span {
  display: block;
  margin-top: 0.25rem;
  color: var(--text-2);
}

.capabilities {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding: 0;
  list-style: none;
}

.capabilities li {
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.capabilities p {
  margin-top: 0.375rem;
  color: var(--text-2);
}

.plain-list {
  margin-top: 1rem;
  padding-left: 1.25rem;
  color: var(--text-2);
  max-width: 36rem;
}

.plain-list li + li {
  margin-top: 0.375rem;
}

/* Footer */

.site-footer {
  margin-top: 1rem;
  padding: 1.5rem 0 calc(2.5rem + env(safe-area-inset-bottom));
  border-top: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.9375rem;
}

.site-footer p + p {
  margin-top: 0.5rem;
}

.site-footer a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

/* Wider screens add room, not content. */

@media (min-width: 40rem) {
  .hero {
    padding: 3.5rem 0 3.5rem;
  }

  .logo {
    width: 12rem;
  }

  .promises {
    grid-template-columns: repeat(3, 1fr);
  }

  .capabilities {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (forced-colors: active) {
  .status,
  .promises li,
  .capabilities li {
    border-color: CanvasText;
  }
}

@media print {
  body {
    background: #fff;
    color: #000;
  }
}