/* BizBook — "Utility Statement" web design system.
   Mirrors crm-ios/DESIGN.md. Keep the token values in sync. */

/* ---------- Display face: Archivo (self-hosted) ---------- */

@font-face {
  font-family: "Archivo";
  src: url("../fonts/Archivo-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Archivo";
  src: url("../fonts/Archivo-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Archivo";
  src: url("../fonts/Archivo-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: light dark;

  /* Surfaces — bone grounds */
  --surface-primary: #FBFBF8;
  --surface-raised:  #FFFFFF;
  --surface-sunken:  #F1F2EE;
  --surface-input:   #FFFFFF;

  /* Content */
  --content-primary:   #16231D;
  --content-secondary: #5B655F;
  --content-tertiary:  #97A099;
  --content-on-accent: #FFFFFF;
  --content-link:      #0A7C5A;

  /* Border */
  --border-primary: #E3E5DF;
  --border-input:   #D3D6CE;
  --border-focus:   #0A7C5A;

  /* Accent (emerald) + secondary (indigo) */
  --accent-primary:         #0A7C5A;
  --accent-pressed:         #07553F;
  --secondary-text:         #3538CD;
  --secondary-fill:         #3538CD;
  --secondary-fill-pressed: #2B2DA8;

  /* Status */
  --success-fg: #0A7C5A;  --success-bg: #DCEFE7;
  --warning-fg: #9A6206;  --warning-bg: #F6EAD5;
  --danger-fg:  #C4372B;  --danger-bg:  #F8E4E1;
  --info-fg:    #3538CD;  --info-bg:    #E7E7FB;

  /* Radii */
  --r-control: 8px;
  --r-input:   10px;
  --r-btn:     12px;
  --r-card:    16px;
  --r-pill:    999px;

  /* Spacing (4pt) */
  --s-xs: 4px; --s-sm: 8px; --s-md: 12px; --s-lg: 16px;
  --s-xl: 20px; --s-2xl: 24px; --s-3xl: 32px; --s-4xl: 48px;

  /* Type */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Elevation — deep-ink */
  --elev-resting: 0 1px 2px rgba(22, 35, 29, 0.05), 0 2px 8px rgba(22, 35, 29, 0.07);
  --elev-lifted:  0 2px 6px rgba(22, 35, 29, 0.06), 0 10px 28px rgba(22, 35, 29, 0.13);

  /* Reading measure */
  --measure: 720px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface-primary: #0E110F;
    --surface-raised:  #181C18;
    --surface-sunken:  #131613;
    --surface-input:   #181C18;

    --content-primary:   #EDF0EA;
    --content-secondary: #9AA59E;
    --content-tertiary:  #6C766F;
    --content-on-accent: #06231A;
    --content-link:      #33C295;

    --border-primary: #282C27;
    --border-input:   #3A3F39;
    --border-focus:   #33C295;

    --accent-primary:         #33C295;
    --accent-pressed:         #2AA47D;
    --secondary-text:         #8C8EF6;
    --secondary-fill:         #4547C0;
    --secondary-fill-pressed: #393BA0;

    --success-fg: #33C295;  --success-bg: #123027;
    --warning-fg: #E0A94E;  --warning-bg: #3A2E15;
    --danger-fg:  #F08A7A;  --danger-bg:  #3A1B16;
    --info-fg:    #8C8EF6;  --info-bg:    #20214A;

    --elev-resting: 0 1px 2px rgba(0, 0, 0, 0.30), 0 2px 8px rgba(0, 0, 0, 0.40);
    --elev-lifted:  0 2px 6px rgba(0, 0, 0, 0.35), 0 10px 28px rgba(0, 0, 0, 0.50);
  }
}

/* ---------- Base ---------- */

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  background: var(--surface-primary);
  color: var(--content-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--content-link); text-decoration: none; }
a:hover { text-decoration: underline; }

h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 6vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin-bottom: var(--s-sm);
  color: var(--content-primary);
}
h2 {
  font-size: 20px;
  font-weight: 600;
  margin-top: var(--s-3xl);
  margin-bottom: var(--s-md);
  color: var(--content-primary);
}
h3 { font-size: 17px; font-weight: 600; color: var(--content-primary); }
p  { font-size: 16px; color: var(--content-primary); margin-bottom: var(--s-md); }
ul { margin: 0 0 var(--s-md) 20px; }
li { font-size: 16px; color: var(--content-primary); margin-bottom: var(--s-xs); }

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--content-secondary);
}

.muted { color: var(--content-secondary); }

/* Money / figure utility — Archivo, tabular */
.figure {
  font-family: var(--font-display);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

/* ---------- Layout ---------- */

.container {
  max-width: var(--measure);
  margin: 0 auto;
  padding: var(--s-3xl) var(--s-2xl) 80px;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 960px;
  margin: 0 auto;
  padding: var(--s-xl) var(--s-2xl);
}
.site-nav .links { display: flex; gap: var(--s-xl); }
.site-nav .links a { font-size: 15px; color: var(--content-primary); font-weight: 500; }

.wordmark {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.wordmark:hover { text-decoration: none; }
.wordmark .b1 { color: var(--content-primary); }
.wordmark .b2 { color: var(--secondary-text); }

.site-footer {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--s-3xl) var(--s-2xl) 56px;
  border-top: 1px solid var(--border-primary);
}
.site-footer .links { display: flex; gap: var(--s-xl); flex-wrap: wrap; margin-bottom: var(--s-sm); }
.site-footer .links a { font-size: 14px; color: var(--content-secondary); }
.site-footer .copyright { font-size: 13px; color: var(--content-tertiary); }

/* ---------- Card ---------- */

.card {
  background: var(--surface-raised);
  border: 1px solid var(--border-primary);
  border-radius: var(--r-card);
  padding: var(--s-lg);
}
.card--hero { padding: var(--s-xl); box-shadow: var(--elev-resting); }

/* ---------- Buttons ---------- */

.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 14px var(--s-xl);
  border: none;
  border-radius: var(--r-btn);
  background: var(--accent-primary);
  color: var(--content-on-accent);
  font: 600 17px/1.3 var(--font-sans);
  cursor: pointer;
  transition: transform .12s cubic-bezier(.33, 0, .2, 1), background .12s;
}
.btn:hover { text-decoration: none; }
.btn:active { background: var(--accent-pressed); transform: scale(.98); }
.btn:focus-visible { outline: 2px solid var(--accent-primary); outline-offset: 2px; }
.btn:disabled { opacity: .4; cursor: default; }

.btn--secondary { background: var(--secondary-fill); color: #fff; }
.btn--secondary:active { background: var(--secondary-fill-pressed); }

.btn--outline {
  background: transparent;
  color: var(--content-link);
  border: 1.5px solid var(--content-link);
}
.btn--outline:active { background: transparent; opacity: .7; }

.btn--tertiary {
  background: transparent;
  color: var(--content-link);
  min-height: 44px;
  padding: var(--s-md);
}

.btn--full { width: 100%; }

/* ---------- Badge / status pill ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: var(--r-pill);
  font: 600 11px/1.3 var(--font-sans);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--info-bg);
  color: var(--info-fg);
}
.badge--success { background: var(--success-bg); color: var(--success-fg); }
.badge--warning { background: var(--warning-bg); color: var(--warning-fg); }
.badge--danger  { background: var(--danger-bg);  color: var(--danger-fg); }

/* ---------- Inline banner ---------- */

.inline-banner {
  display: flex;
  align-items: flex-start;
  gap: var(--s-sm);
  padding: var(--s-md) var(--s-md);
  border-radius: var(--r-btn);
  font-size: 15px;
  line-height: 1.5;
  background: var(--info-bg);
  color: var(--info-fg);
}
.inline-banner--warning { background: var(--warning-bg); color: var(--warning-fg); }
.inline-banner--danger  { background: var(--danger-bg);  color: var(--danger-fg); }
.inline-banner--success { background: var(--success-bg); color: var(--success-fg); }

/* ---------- Auth card (verify / reset outcome pages) ---------- */

.auth-card {
  background: var(--surface-raised);
  border: 1px solid var(--border-primary);
  border-radius: var(--r-card);
  box-shadow: var(--elev-resting);
  padding: var(--s-3xl);
  max-width: 420px;
  margin: var(--s-2xl) auto;
}
.auth-card--center { text-align: center; }
.auth-card .mark { font-size: 44px; line-height: 1; margin-bottom: var(--s-sm); }
.auth-card .mark--success { color: var(--success-fg); }
.auth-card .mark--warning { color: var(--warning-fg); }

.auth-card label {
  display: block;
  font: 600 13px/1.2 var(--font-sans);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--content-secondary);
  margin: var(--s-lg) 0 var(--s-xs);
}
.auth-card input {
  width: 100%;
  padding: var(--s-md);
  font: 400 16px/1.45 var(--font-sans);
  color: var(--content-primary);
  background: var(--surface-input);
  border: 1px solid var(--border-input);
  border-radius: var(--r-input);
}
.auth-card input:focus {
  outline: none;
  border-color: var(--border-focus);
  border-width: 1.5px;
}
.auth-card .helptext { display: block; font-size: 12px; color: var(--content-secondary); margin-top: var(--s-xs); }
.auth-card ul { margin: var(--s-xs) 0 0 18px; font-size: 12px; color: var(--content-secondary); }
.auth-card .errornote,
.auth-card .errorlist { color: var(--danger-fg); font-size: 13px; margin-top: var(--s-xs); }

/* ---------- Landing page ---------- */

.hero {
  text-align: center;
  max-width: 520px;
  margin: 0 auto var(--s-4xl);
}
.hero .lockup {
  display: inline-flex;
  align-items: center;
  gap: var(--s-md);
  margin-bottom: var(--s-lg);
}
.hero .mark {
  width: 56px;
  height: 56px;
  border-radius: var(--r-card);
  background: var(--accent-primary);
  color: var(--content-on-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}
.hero .lockup .wordmark { font-size: 28px; }
.hero p {
  font-size: 18px;
  color: var(--content-secondary);
  margin-bottom: var(--s-2xl);
  line-height: 1.5;
}
.hero .actions { display: flex; gap: var(--s-md); justify-content: center; flex-wrap: wrap; }

.section-title {
  font-family: var(--font-display);
  text-align: center;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 auto var(--s-3xl);
  color: var(--content-primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-lg);
}
@media (min-width: 720px) {
  .features-grid { grid-template-columns: repeat(4, 1fr); }
}
.feature-card {
  background: var(--surface-raised);
  border: 1px solid var(--border-primary);
  border-radius: var(--r-card);
  padding: var(--s-2xl) var(--s-lg);
  text-align: left;
}
.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--r-input);
  background: var(--surface-sunken);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: var(--s-md);
}
.feature-title { font-size: 16px; font-weight: 600; margin-bottom: var(--s-xs); color: var(--content-primary); }
.feature-desc { font-size: 14px; color: var(--content-secondary); line-height: 1.5; }

/* ---------- Support / legal ---------- */

.container--reading { max-width: var(--measure); }

.subtitle { font-size: 16px; color: var(--content-secondary); margin-bottom: var(--s-3xl); }
.last-updated { margin-bottom: var(--s-2xl); }

.contact-box {
  background: var(--surface-raised);
  border: 1px solid var(--border-primary);
  border-radius: var(--r-card);
  padding: var(--s-2xl);
  margin-bottom: var(--s-md);
}

dl { margin-top: var(--s-md); }
dt { font-weight: 600; margin-top: var(--s-xl); color: var(--content-primary); }
dd { color: var(--content-secondary); margin-top: var(--s-xs); }