/* Bank & Borrow shared brand stylesheet */
:root {
  color-scheme: light dark;
  --bb-background: #F6F2EA;
  --bb-surface: #FFFFFF;
  --bb-surface-sunken: #EEE8DE;
  --bb-line: #E4DCCF;
  --bb-text-primary: #1B2632;
  --bb-text-secondary: #566271;
  --bb-primary: #2C3D50;
  --bb-on-primary: #FFFFFF;
  --bb-surface-brand: #2C3D50;
  --bb-on-brand: #FFFFFF;
  --bb-on-brand-muted: #C9D6E3;
  --bb-next-year: #486C90;
  --bb-next-year-soft: #DCE6F1;
  --bb-accent: #F2A541;
  --bb-accent-text: #9A5B0B;
  --bb-accent-soft: #FBEBD2;
  --bb-success: #2E7D52;
  --bb-success-soft: #EAF5EE;
  --bb-warning: #B4530A;
  --bb-warning-soft: #FEF4EA;
  --bb-error: #B83A2A;
  --bb-error-soft: #F8E1DD;
  --bb-on-accent: #1B2632;
  --bb-focus: #2C3D50;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bb-background: #121A23;
    --bb-surface: #1D2935;
    --bb-surface-sunken: #0E151D;
    --bb-line: #2B3947;
    --bb-text-primary: #F2EEE6;
    --bb-text-secondary: #A3AFBC;
    --bb-primary: #9DBBDB;
    --bb-on-primary: #121A23;
    --bb-surface-brand: #24364A;
    --bb-on-brand: #F2EEE6;
    --bb-on-brand-muted: #A3AFBC;
    --bb-next-year: #9DBBDB;
    --bb-next-year-soft: #24364A;
    --bb-accent: #F5B356;
    --bb-accent-text: #F5B356;
    --bb-accent-soft: #3A2E1C;
    --bb-success: #5CC48C;
    --bb-success-soft: #183327;
    --bb-warning: #F5A35C;
    --bb-warning-soft: #3A2617;
    --bb-error: #F28472;
    --bb-error-soft: #3A1F1C;
    --bb-on-accent: #1B2632;
    --bb-focus: #F5B356;
  }
}

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

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

body {
  margin: 0;
  background: var(--bb-background);
  color: var(--bb-text-primary);
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-weight: 400;
  line-height: 1.6;
  overflow-wrap: break-word;
}

h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 1.5em 0 0.5em;
}
h1 { font-weight: 800; }

p { margin: 0 0 1em; }

a { color: var(--bb-primary); text-decoration: underline; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 3px solid var(--bb-focus);
  outline-offset: 2px;
}
.site-header :focus-visible { outline-color: var(--bb-accent); }

img { max-width: 100%; height: auto; }

.container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 16px;
}

.site-header {
  background: var(--bb-surface-brand);
  color: var(--bb-on-brand);
  padding: 2.5rem 16px;
  text-align: center;
}
.site-header .logo {
  display: block;
  width: 100%;
  max-width: 260px;
  margin: 0 auto;
}
.site-header .logo + .tagline { margin-top: 1.25rem; }
.site-header .tagline {
  max-width: 600px;
  margin: 0 auto;
  color: var(--bb-on-brand-muted);
  font-size: 1.05rem;
}
.site-header a { color: var(--bb-on-brand); display: inline-block; }

.card {
  background: var(--bb-surface);
  border: 1px solid var(--bb-line);
  border-radius: 16px;
  padding: 1.5rem;
  margin: 1.5rem 0;
}
.card > :first-child { margin-top: 0; }
.card > :last-child { margin-bottom: 0; }

.store-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin: 2.25rem auto 1.5rem;
}
.store-cta .app-icon {
  width: 96px;
  height: 96px;
  filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.25));
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  font: inherit;
  font-weight: 700;
  color: var(--bb-on-primary);
  background: var(--bb-primary);
  border: 0;
  border-radius: 12px;
  text-decoration: none;
}
.btn:hover { text-decoration: none; filter: brightness(1.12); }
/* Two-tone ring: a 2px inner band fills the offset gap so the ring never
   merges with the button fill. Light: navy ring (9.95:1 on page) + amber band
   (5.41:1 on navy fill). */
.btn:focus-visible {
  outline-color: var(--bb-focus);
  box-shadow: 0 0 0 2px var(--bb-accent);
}

.btn-accent {
  color: var(--bb-on-accent);
  background: var(--bb-accent);
}
.btn-accent:hover { filter: brightness(0.95); }

@media (prefers-color-scheme: dark) {
  /* Amber ring (9.57:1 on band) + page-coloured band (8.82:1 on Mist fill,
     9.57:1 on Sunrise fill). */
  .btn:focus-visible {
    outline-color: var(--bb-accent);
    box-shadow: 0 0 0 2px var(--bb-background);
  }
}

.site-footer {
  padding: 2rem 16px 3rem;
  text-align: center;
  color: var(--bb-text-secondary);
  font-size: 0.9rem;
}
.site-footer p { margin: 0 0 0.5rem; }
.site-footer a { color: var(--bb-text-secondary); }

/* Legal pages */
.legal { text-align: left; }
.legal h1 { font-size: 2rem; margin-top: 0; }
.legal h2 { font-size: 1.4rem; }
.legal h3 { font-size: 1.15rem; }
.legal .meta {
  background: var(--bb-surface-sunken);
  border: 1px solid var(--bb-line);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  margin: 0 0 1.5rem;
  color: var(--bb-text-secondary);
  font-size: 0.95rem;
}
.legal ul, .legal ol { padding-left: 1.5rem; margin: 0 0 1em; }
.legal li { margin: 0.35em 0; }
.legal li > ul, .legal li > ol { margin: 0.35em 0 0; }

/* Landing page */
.features {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0;
  text-align: left;
}
.features li {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.5rem;
}
.features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--bb-accent);
}
.container > h1 { font-size: 1.6rem; margin-top: 0; }
.center { text-align: center; }
.links { margin-top: 1.5rem; }
.links a + a { margin-left: 1rem; }