/* Lailara Design System v2 — cost-of-saying-yes */

@font-face {
  font-family: 'Playfair Display';
  src: url('/fonts/playfair-display-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Playfair Display';
  src: url('/fonts/playfair-display-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Source Sans 3';
  src: url('/fonts/source-sans-3-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Source Sans 3';
  src: url('/fonts/source-sans-3-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* ── Design tokens ─────────────────────────────────────────── */
:root {
  --color-canvas:      #f5f3ee;
  --color-text:        #333333;
  --color-text-muted:  #595959;
  --color-gridline:    #d9d9d9;
  --color-reference:   #666666;
  --color-navy:        #1f2e7a;
  --color-navy-hover:  #141e52;
  --color-red:         #cc100a;
  --color-ink:         #0d0d0d;
  --color-dark-card:   #1a1a1a;
  --color-teal:        #158f75;

  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans:  'Source Sans 3', 'Source Sans Pro', 'Helvetica Neue', Arial, sans-serif;

  --content-width: 900px;
  --radius: 2px;
}

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

body {
  background: var(--color-canvas);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
}

/* ── Layout ────────────────────────────────────────────────── */
.container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 48px 24px;
}

section { margin-bottom: 60px; }

/* ── Typography ────────────────────────────────────────────── */
h1 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

h2 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 16px;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-ink);
}

.brand-subtitle {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.section-intro {
  font-size: 17px;
  color: var(--color-text-muted);
  max-width: 660px;
  margin-bottom: 32px;
  line-height: 1.6;
}

/* ── Header ────────────────────────────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--color-gridline);
  padding-bottom: 24px;
  margin-bottom: 48px;
}

/* ── Input form ────────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 32px;
  margin-bottom: 28px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-field label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.form-field .field-hint {
  font-size: 12px;
  color: var(--color-text-muted);
}

.field-error {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-red);
  min-height: 18px;
  display: block;
}

.form-field input,
.form-field select {
  font-family: var(--font-sans);
  font-size: 16px;
  padding: 10px 12px;
  border: 1px solid var(--color-gridline);
  border-radius: var(--radius);
  background: #fff;
  color: var(--color-text);
  outline: none;
  transition: border-color 150ms ease;
}

.form-field input:focus,
.form-field select:focus {
  border-color: var(--color-navy);
}

.form-field input:focus-visible,
.form-field select:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn-primary {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  background: var(--color-navy);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 12px 32px;
  cursor: pointer;
  transition: background 150ms ease;
}

.btn-primary:hover { background: var(--color-navy-hover); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-primary:focus-visible { outline: 2px solid var(--color-text); outline-offset: 2px; }

.scenario-toggle {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}

.btn-scenario {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 20px;
  border: 1.5px solid var(--color-navy);
  border-radius: var(--radius);
  cursor: pointer;
  background: transparent;
  color: var(--color-navy);
  transition: background 150ms ease, color 150ms ease;
}

.btn-scenario.active {
  background: var(--color-navy);
  color: #fff;
}

.btn-scenario:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Results panel ─────────────────────────────────────────── */
#results-panel { display: none; }
#results-panel.visible { display: block; }

/* ── Compare section ───────────────────────────────────────── */
#compare-section { display: none; margin-top: 32px; }
#compare-section.visible { display: block; }

/* ── Chart ─────────────────────────────────────────────────── */
#cashflow-chart {
  width: 100%;
  height: 420px;
  margin-bottom: 32px;
}

/* ── Comparison panel (dark card) ──────────────────────────── */
.comparison-panel {
  background: var(--color-dark-card);
  border-radius: var(--radius);
  padding: 28px 32px;
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: 0 32px;
  align-items: center;
  margin-bottom: 32px;
}

.comparison-divider {
  background: rgba(255,255,255,0.12);
  height: 100%;
  min-height: 60px;
}

.comparison-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.comparison-label {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #9a9a9a;
}

.comparison-value {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1;
}

.comparison-value.negative { color: var(--color-red); }

.comparison-sub {
  font-family: var(--font-sans);
  font-size: 14px;
  color: #9a9a9a;
}

/* ── Download button ───────────────────────────────────────── */
.download-section {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 16px;
  border-top: 1px solid var(--color-gridline);
}

.btn-download {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  background: transparent;
  color: var(--color-navy);
  border: 1.5px solid var(--color-navy);
  border-radius: var(--radius);
  padding: 10px 24px;
  text-decoration: none;
  transition: background 150ms ease, color 150ms ease;
  display: inline-block;
}

.btn-download:hover {
  background: var(--color-navy);
  color: #fff;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 640px) {
  .container { padding: 32px 16px; }
  .brand-name { font-size: 20px; }
  .form-grid { grid-template-columns: 1fr; }
  .comparison-panel {
    grid-template-columns: 1fr;
    gap: 24px 0;
  }
  .comparison-divider { display: none; }
  .comparison-value { font-size: 36px; }
  #cashflow-chart { height: 300px; }
}

/* ── Case study ────────────────────────────────────────────── */
.cs-eyebrow {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-red);
  margin-bottom: 8px;
}

.cs-headline {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 12px;
}

.cs-setup {
  font-size: 17px;
  color: var(--color-text-muted);
  max-width: 660px;
  line-height: 1.6;
  margin-bottom: 32px;
}

/* Gap card — same dark card pattern as comparison panel */
.cs-gap-card {
  background: var(--color-dark-card);
  border-radius: var(--radius);
  padding: 28px 32px;
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: 0 32px;
  align-items: center;
  margin-bottom: 32px;
}

.cs-gap-divider {
  background: rgba(255,255,255,0.12);
  height: 100%;
  min-height: 60px;
}

.cs-gap-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cs-gap-label {
  font-family: var(--font-sans);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #9a9a9a;
}

.cs-gap-value {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1;
}

.cs-gap-value--red { color: var(--color-red); }

.cs-gap-sub {
  font-family: var(--font-sans);
  font-size: 14px;
  color: #9a9a9a;
}

/* Table — Economist style */
.cs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  margin-bottom: 12px;
}

.cs-table thead tr {
  border-bottom: 2px solid var(--color-text);
}

.cs-table th {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  padding: 8px 0;
  text-align: left;
}

.cs-table tbody tr {
  border-bottom: 1px solid var(--color-gridline);
}

.cs-table tbody tr:last-child { border-bottom: none; }

.cs-table-total {
  border-top: 2px solid var(--color-text) !important;
  border-bottom: none !important;
}

.cs-table td {
  font-family: var(--font-sans);
  padding: 10px 0;
  vertical-align: top;
}

.cs-table-amount {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.cs-positive { color: var(--color-text); }
.cs-negative { color: var(--color-red); }

/* ── Retailer context callout ──────────────────────────────── */
.retailer-context {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.5;
  border-left: 2px solid var(--color-gridline);
  padding-left: 10px;
  min-height: 18px;
}

/* ── Retailer comparison table ─────────────────────────────── */
.compare-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 12px;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  min-width: 540px;
}

.compare-table thead tr {
  border-bottom: 2px solid var(--color-text);
}

.compare-table th {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  padding: 8px 0;
  text-align: left;
}

.compare-table th:not(:first-child),
.compare-table td:not(:first-child) {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.compare-table tbody tr {
  border-bottom: 1px solid var(--color-gridline);
}

.compare-table tbody tr:last-child { border-bottom: none; }

.compare-table td {
  font-family: var(--font-sans);
  padding: 10px 0;
  vertical-align: middle;
}

.compare-table td.negative { color: var(--color-red); }

.cs-footnote {
  font-size: 11px;
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.cs-insight {
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text);
  max-width: 660px;
  border-left: 3px solid var(--color-gridline);
  padding-left: 16px;
  margin-top: 16px;
}

/* Case study responsive */
@media (max-width: 640px) {
  .cs-gap-card {
    grid-template-columns: 1fr;
    gap: 24px 0;
  }
  .cs-gap-divider { display: none; }
  .cs-gap-value { font-size: 36px; }
}

/* ── Motion preference ─────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}