/* ============================================================================
 * Khamango — site stylesheet
 * ============================================================================
 * Imports brand tokens from /brand/tokens.css and styles every shared class
 * across index.html, seller.html, buyer.html, ready.html, and demo.html.
 *
 * Class names are kept stable so existing HTML works unchanged.
 *
 * Brand summary (see brand/source/Khamango_BrandGuidelines.pdf):
 *   - Primary action: Bright Red #f24115 (used for all CTAs)
 *   - Body text: Brown #4b2a1d on cream #f8f1e3
 *   - Secondary accents: Blue #4d85fc, Yellow #edbe64
 *   - Headings: Inter Medium / 600
 *   - Body: Ibarra Real Nova
 * ----------------------------------------------------------------------------
 */
@import url('./brand/tokens.css');

/* ---- Reset --------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'kern', 'liga';
}

/* Headings — Inter (per brand guide) ------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: var(--lh-snug);
  color: var(--color-text);
  letter-spacing: -0.01em;
}
h1 { font-size: var(--fs-h1); font-weight: 600; }
h2 { font-size: var(--fs-h2); margin: var(--space-6) 0 var(--space-3); font-weight: 600; }
h3 { font-size: var(--fs-h3); margin: var(--space-5) 0 var(--space-3); }
h4 { font-size: var(--fs-body); }

/* Sub-headings/eyebrow text get the italic Ibarra treatment */
.subhead, .lede em, em.subhead {
  font-family: var(--font-body);
  font-style: italic;
  font-weight: 500;
  color: var(--color-text-muted);
}

/* Links */
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--color-focus-ring); outline-offset: 2px; border-radius: 2px; }

/* ---- Header -------------------------------------------------------------- */
header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 18px;
}
.logo:hover { color: var(--color-primary); text-decoration: none; }
.logo:focus-visible { outline: 2px solid var(--color-focus-ring); outline-offset: 4px; border-radius: 4px; }

/* Wordmark image — sits flush, scales by viewport. */
.logo-wordmark {
  height: 36px;
  width: auto;
  display: block;
}
@media (max-width: 600px) { .logo-wordmark { height: 30px; } }

/* Legacy mark (kept for any HTML still using `.logo-mark`) */
.logo-mark {
  width: 36px; height: 36px;
  border-radius: var(--radius);
  background: var(--brand-red);
  color: var(--brand-cream);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading); font-weight: 700; font-size: 18px;
}

.header-meta { font-size: var(--fs-tiny); color: var(--color-text-muted); }
.header-meta strong { color: var(--color-text); font-family: var(--font-heading); font-weight: 500; }
.header-meta .pill {
  background: var(--brand-yellow-50);
  color: var(--brand-yellow-700);
  padding: 2px 10px;
  border-radius: 999px;
  font-weight: 600;
  margin-left: 6px;
  font-family: var(--font-ui);
  font-size: var(--fs-tiny);
}
.header-meta .pill.complete { background: var(--color-success-bg); color: var(--color-success); }
.header-meta .pill.in-progress { background: var(--brand-blue-50); color: var(--brand-blue-700); }

/* ---- Layout -------------------------------------------------------------- */
.layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-6);
  gap: var(--space-6);
}
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; padding: var(--space-4); gap: var(--space-4); } }

/* Sidebar (progress steps) */
aside.progress {
  position: sticky;
  top: 96px;
  align-self: start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}
.progress h3 {
  font-family: var(--font-ui);
  font-size: var(--fs-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin: 0 0 var(--space-4);
  font-weight: 600;
}
.progress ol { list-style: none; counter-reset: step; }
.progress li {
  counter-increment: step;
  display: flex; align-items: center; gap: 12px;
  padding: var(--space-2) 0;
  font-family: var(--font-ui);
  font-size: var(--fs-small);
  color: var(--color-text-faint);
  cursor: pointer;
  transition: color var(--motion-fast) var(--motion-ease);
}
.progress li:hover { color: var(--color-text); }
.progress li::before {
  content: counter(step);
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--brand-cream);
  border: 1px solid var(--color-border);
  color: var(--color-text-faint);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-ui);
  font-size: 12px; font-weight: 600;
  flex-shrink: 0;
  transition: all var(--motion-normal) var(--motion-ease);
}
.progress li.active { color: var(--color-text); font-weight: 600; }
.progress li.active::before { background: var(--color-primary); color: var(--color-primary-text); border-color: var(--color-primary); }
.progress li.done { color: var(--color-text-muted); }
.progress li.done::before { background: var(--color-success-bg); color: var(--color-success); border-color: var(--color-success); content: "✓"; }

/* Main form area */
main.form-area {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.step { padding: var(--space-7); display: none; }
.step.active { display: block; animation: fadeIn 220ms var(--motion-ease); }
@media (max-width: 700px) { .step { padding: var(--space-5); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

.step-eyebrow {
  font-family: var(--font-ui);
  font-size: var(--fs-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.step h1 { font-size: var(--fs-h1); line-height: var(--lh-tight); margin-bottom: var(--space-2); }
.step .lede {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  max-width: 60ch;
  line-height: var(--lh-relaxed);
}

/* ---- Form elements ------------------------------------------------------- */
.field { margin-bottom: var(--space-4); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
@media (max-width: 700px) { .field-row { grid-template-columns: 1fr; } }

label {
  display: block;
  font-family: var(--font-ui);
  font-size: var(--fs-tiny);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 6px;
}
label .hint { font-weight: 400; color: var(--color-text-faint); margin-left: 6px; font-size: 12px; }
label.required::after { content: " *"; color: var(--color-primary); }

input[type="text"], input[type="email"], input[type="password"], input[type="tel"],
input[type="number"], input[type="date"], select, textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  font-family: var(--font-body);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--motion-fast), box-shadow var(--motion-fast);
}
input::placeholder, textarea::placeholder { color: var(--color-text-faint); }
input:hover:not(:disabled), select:hover:not(:disabled), textarea:hover:not(:disabled) { border-color: var(--color-border-strong); }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--brand-red-50);
}
input[readonly] { background: var(--color-surface-alt); color: var(--color-text-muted); cursor: not-allowed; }
input:disabled { background: var(--color-surface-alt); cursor: not-allowed; opacity: 0.6; }

/* ---- Radio cards (category picker) -------------------------------------- */
.radio-card-group { display: grid; gap: var(--space-3); }
.radio-card {
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--color-surface);
  transition: border-color var(--motion-fast), background var(--motion-fast), transform var(--motion-fast);
}
.radio-card:hover {
  border-color: var(--color-primary);
  background: var(--brand-red-50);
}
.radio-card:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--brand-red-50);
  box-shadow: 0 0 0 3px rgba(242, 65, 21, 0.1);
}
.radio-card input { margin-top: 4px; cursor: pointer; accent-color: var(--color-primary); }
.radio-content { flex: 1; }
.radio-title { font-family: var(--font-heading); font-weight: 600; font-size: var(--fs-small); margin-bottom: 2px; }
.radio-desc { font-family: var(--font-body); font-size: var(--fs-tiny); color: var(--color-text-muted); }

/* ---- Yes/No inline ----- */
.yesno { display: flex; gap: var(--space-4); margin-top: 6px; }
.yesno label { display: flex; align-items: center; gap: 6px; font-weight: 400; cursor: pointer; margin-bottom: 0; }
.yesno input { accent-color: var(--color-primary); }

/* ---- Checkbox ----- */
.checkbox { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; padding: var(--space-2) 0; }
.checkbox input { margin-top: 3px; cursor: pointer; accent-color: var(--color-primary); }
.checkbox-text { font-family: var(--font-body); font-size: var(--fs-small); color: var(--color-text); }

/* ---- Banners (info / warning / error / success) ------------------------- */
.info-box, .warning-box, .error-box, .success-box {
  border-radius: var(--radius);
  padding: var(--space-4);
  margin: var(--space-4) 0;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.info-box     { background: var(--color-info-bg);    border: 1px solid var(--color-info);    color: var(--brand-blue-700); }
.warning-box  { background: var(--color-warning-bg); border: 1px solid var(--color-warning); color: var(--color-warning); }
.error-box    { background: var(--color-error-bg);   border: 1px solid var(--color-error);   color: var(--color-error); }
.success-box  { background: var(--color-success-bg); border: 1px solid var(--color-success); color: var(--color-success); }
.icon { font-size: 18px; flex-shrink: 0; }

/* Witness info box (used on ready.html) */
.witness-info {
  background: var(--brand-yellow-50);
  border: 1px solid var(--brand-yellow);
  border-radius: var(--radius);
  padding: var(--space-4);
  margin: var(--space-4) 0;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  color: var(--color-text);
}
.witness-info ul { margin: 8px 0 0 24px; }
.witness-info strong { color: var(--brand-brown-900); font-family: var(--font-heading); }

/* ---- Footer / Navigation ------------------------------------------------- */
.nav-bar {
  border-top: 1px solid var(--color-border);
  padding: var(--space-5) var(--space-7);
  display: flex; justify-content: space-between; align-items: center;
  background: var(--color-surface-alt);
  gap: var(--space-3);
}
@media (max-width: 700px) { .nav-bar { padding: var(--space-4); } }

.btn {
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: var(--fs-small);
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: background var(--motion-fast), transform var(--motion-fast), box-shadow var(--motion-fast);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.01em;
}
.btn:focus-visible { outline: 2px solid var(--color-focus-ring); outline-offset: 2px; }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-text);
  box-shadow: 0 1px 2px rgba(75, 42, 29, 0.1);
}
.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
  box-shadow: 0 2px 6px rgba(242, 65, 21, 0.3);
  transform: translateY(-1px);
  color: var(--color-primary-text);
  text-decoration: none;
}
.btn-primary:active:not(:disabled) { transform: translateY(0); }

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--color-surface-alt);
  border-color: var(--color-text-muted);
  color: var(--color-text);
  text-decoration: none;
}

.btn-tertiary {
  background: transparent;
  color: var(--color-text-muted);
  padding: 10px 14px;
}
.btn-tertiary:hover:not(:disabled) {
  color: var(--color-primary);
  text-decoration: none;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-large { padding: 14px 30px; font-size: var(--fs-body); }

.step-counter { font-family: var(--font-ui); font-size: var(--fs-tiny); color: var(--color-text-faint); }

/* ---- Read-only summary card --------------------------------------------- */
.summary-card {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  margin-bottom: var(--space-5);
}
.summary-card h4 {
  font-family: var(--font-ui);
  font-size: var(--fs-eyebrow);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  font-weight: 600;
}
.summary-row { display: flex; justify-content: space-between; padding: 6px 0; font-size: var(--fs-small); border-bottom: 1px solid var(--color-border); gap: var(--space-3); }
.summary-row:last-child { border-bottom: none; }
.summary-label { color: var(--color-text-muted); font-family: var(--font-body); }
.summary-value { font-weight: 500; color: var(--color-text); text-align: right; font-family: var(--font-body); }

/* ---- Credit card rows --------------------------------------------------- */
.credit-card {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  margin-bottom: var(--space-3);
}
.credit-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-3); }
.credit-card-header h4 { font-size: var(--fs-small); font-family: var(--font-heading); }

/* ---- Status banner ------------------------------------------------------ */
#status-area {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius);
  display: none;
  font-family: var(--font-body);
  font-size: var(--fs-small);
}
#status-area.success { background: var(--color-success-bg); border: 1px solid var(--color-success); color: var(--color-success); display: flex; gap: 10px; align-items: flex-start; }
#status-area.error   { background: var(--color-error-bg);   border: 1px solid var(--color-error);   color: var(--color-error);   display: flex; gap: 10px; align-items: flex-start; }
#status-area.loading { background: var(--brand-blue-50);    border: 1px solid var(--brand-blue);    color: var(--brand-blue-700);display: flex; gap: 10px; align-items: flex-start; }

#status-area code {
  background: rgba(0,0,0,0.05);
  padding: 1px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ---- Code-style URL display -------------------------------------------- */
.url-display {
  background: var(--color-surface-alt);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 13px;
  word-break: break-all;
  border: 1px solid var(--color-border);
  margin: var(--space-3) 0;
  color: var(--color-text);
}

/* ---- Demo banner (development-environment indicator) ------------------- */
.demo-banner {
  background: var(--brand-yellow);
  color: var(--brand-brown-900);
  padding: 8px var(--space-6);
  text-align: center;
  font-family: var(--font-ui);
  font-size: var(--fs-tiny);
  font-weight: 500;
  border-bottom: 1px solid var(--brand-yellow-700);
}

/* ---- Action cards (used on ready.html) --------------------------------- */
.action-card {
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-5);
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  background: var(--color-surface);
  transition: border-color var(--motion-fast), background var(--motion-fast), transform var(--motion-fast), box-shadow var(--motion-fast);
}
.action-card:hover {
  border-color: var(--color-primary);
  background: var(--brand-red-50);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}
.action-icon { font-size: 28px; flex-shrink: 0; }
.action-card h3 { margin: 0 0 4px; font-family: var(--font-heading); font-weight: 600; }
.action-card p  { margin: 0; color: var(--color-text-muted); font-family: var(--font-body); font-size: var(--fs-small); }

/* ---- Variant blocks (per-category form sections) ----------------------- */
.variant-block {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-5);
  margin-top: var(--space-5);
}
.variant-block:first-of-type { border-top: none; padding-top: 0; margin-top: 0; }

/* ---- Landing page (index.html) hero ------------------------------------ */
.hero {
  text-align: center;
  padding: var(--space-7) var(--space-5);
  max-width: var(--container-max);
  margin: 0 auto;
}
.hero h1 {
  font-size: var(--fs-hero);
  line-height: var(--lh-tight);
  margin-bottom: var(--space-3);
  color: var(--color-text);
}
.hero .lede {
  font-family: var(--font-body);
  font-size: 19px;
  color: var(--color-text-muted);
  max-width: 56ch;
  margin: 0 auto var(--space-6);
  line-height: var(--lh-relaxed);
}
.hero-illustration {
  height: 80px;
  margin: 0 auto var(--space-5);
  display: block;
}

@media (max-width: 700px) { .hero h1 { font-size: 32px; } .hero .lede { font-size: 17px; } }

/* ---- Helpers ----------------------------------------------------------- */
.document-checklist-title {
  margin: var(--space-5) 0 var(--space-3);
  color: var(--color-text-muted);
  font-family: var(--font-ui);
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.document-checklist {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.document-card {
  min-width: 0;
  padding: var(--space-4);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.document-card.is-applicable {
  background: var(--color-warning-bg);
  border-color: color-mix(in srgb, var(--color-primary) 45%, var(--color-border));
}

.document-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.document-card h4 {
  margin: 0;
  font-family: var(--font-ui);
  font-size: var(--fs-small);
  font-weight: 700;
}

.document-card p {
  margin: 0 0 6px;
  color: var(--color-text-muted);
  font-size: var(--fs-tiny);
  line-height: var(--lh-normal);
}

.document-card p:last-child {
  margin-bottom: 0;
}

.doc-status {
  flex: 0 0 auto;
  max-width: 45%;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  white-space: normal;
}

.document-card.is-applicable .doc-status {
  background: var(--color-primary);
  color: var(--color-primary-text);
}

.document-note {
  color: var(--color-text) !important;
  font-weight: 600;
}

.mono { font-family: var(--font-mono); }
.muted { color: var(--color-text-muted); }
.text-center { text-align: center; }
.mt-1 { margin-top: var(--space-1); } .mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); } .mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); } .mt-6 { margin-top: var(--space-6); }

/* Selection */
::selection { background: var(--brand-yellow); color: var(--brand-brown-900); }