/* ================================================================
   Investment.tools — Design Tokens & Component Styles
   Palette: Finance-grade. Charcoal, off-white, muted blue accent.
   Typography: Switzer (body) + General Sans (display) from Fontshare
   ================================================================ */

/* --- TYPE SCALE --- */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);

  /* SPACING */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* RADIUS */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* TRANSITIONS */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);

  /* CONTENT WIDTHS */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* FONTS */
  --font-display: 'General Sans', 'Helvetica Neue', sans-serif;
  --font-body: 'Switzer', 'Helvetica Neue', sans-serif;
}

/* --- LIGHT MODE (default) --- */
:root,
[data-theme='light'] {
  --color-bg: #FAFAF7;
  --color-surface: #FFFFFF;
  --color-surface-2: #F5F4F0;
  --color-surface-offset: #EFEDE8;
  --color-divider: #E2DFD9;
  --color-border: #D1CEC7;

  --color-text: #1A1A1A;
  --color-text-muted: #6B6B6B;
  --color-text-faint: #A3A3A0;
  --color-text-inverse: #FAFAF7;

  --color-primary: #2B5EA7;
  --color-primary-hover: #1E4A85;
  --color-primary-active: #163A6A;
  --color-primary-highlight: #DAE5F2;

  --color-accent-green: #2D6A4F;
  --color-accent-green-hover: #1B4332;

  --color-success: #437A22;
  --color-error: #A13544;
  --color-warning: #964219;

  --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.2 0.01 80 / 0.08);
  --shadow-lg: 0 12px 32px oklch(0.2 0.01 80 / 0.12);
}

/* --- DARK MODE --- */
[data-theme='dark'] {
  --color-bg: #131311;
  --color-surface: #1A1917;
  --color-surface-2: #1F1E1B;
  --color-surface-offset: #252420;
  --color-divider: #2E2D29;
  --color-border: #3A3935;

  --color-text: #D4D3D0;
  --color-text-muted: #8A8983;
  --color-text-faint: #5C5B57;
  --color-text-inverse: #131311;

  --color-primary: #5B9BD5;
  --color-primary-hover: #7BB1E3;
  --color-primary-active: #4585C0;
  --color-primary-highlight: #1E2535;

  --color-accent-green: #52B788;
  --color-accent-green-hover: #74C69D;

  --color-success: #6DAA45;
  --color-error: #DD6974;
  --color-warning: #BB653B;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #131311;
    --color-surface: #1A1917;
    --color-surface-2: #1F1E1B;
    --color-surface-offset: #252420;
    --color-divider: #2E2D29;
    --color-border: #3A3935;
    --color-text: #D4D3D0;
    --color-text-muted: #8A8983;
    --color-text-faint: #5C5B57;
    --color-text-inverse: #131311;
    --color-primary: #5B9BD5;
    --color-primary-hover: #7BB1E3;
    --color-primary-active: #4585C0;
    --color-primary-highlight: #1E2535;
    --color-accent-green: #52B788;
    --color-accent-green-hover: #74C69D;
    --color-success: #6DAA45;
    --color-error: #DD6974;
    --color-warning: #BB653B;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.2);
    --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
    --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.4);
  }
}

/* ================================================================
   LAYOUT
   ================================================================ */

.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 768px) {
  .container { padding-inline: var(--space-8); }
}

.section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-24));
}

/* ================================================================
   HEADER
   ================================================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow 0.3s var(--ease-out);
}
.header--scrolled {
  box-shadow: var(--shadow-sm);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.header__wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.header__wordmark svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}
.header__wordmark .dot {
  color: var(--color-primary);
}
.header__nav {
  display: none;
  align-items: center;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .header__nav { display: flex; }
}
.header__nav a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-interactive);
}
.header__nav a:hover {
  color: var(--color-text);
}
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}
.mobile-menu-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
@media (min-width: 768px) {
  .mobile-menu-toggle { display: none; }
}
.mobile-nav {
  display: none;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-4);
  flex-direction: column;
  gap: var(--space-3);
}
.mobile-nav.open {
  display: flex;
}
.mobile-nav a {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: background var(--transition-interactive), color var(--transition-interactive);
}
.mobile-nav a:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

/* ================================================================
   BUTTONS
   ================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-md);
  text-decoration: none;
  white-space: nowrap;
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}
.btn:active {
  transform: translateY(0) scale(0.98);
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-sm);
}
.btn--secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--secondary:hover {
  background: var(--color-surface-2);
  border-color: var(--color-text-faint);
}
.btn--sm {
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-3);
}
.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
}
.btn--ghost:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

/* ================================================================
   HERO
   ================================================================ */

.hero {
  padding-top: clamp(var(--space-16), 10vw, var(--space-24));
  padding-bottom: clamp(var(--space-12), 6vw, var(--space-20));
  text-align: center;
}
.hero__headline {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-2xl);
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  max-width: 18ch;
  margin-inline: auto;
  line-height: 1.1;
}
.hero__sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-inline: auto;
  margin-bottom: var(--space-6);
  line-height: 1.6;
}
.hero__trust {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: var(--space-8);
}
.hero__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
}
.hero__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  transition: background var(--transition-interactive), color var(--transition-interactive);
}
.hero__link:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

/* ================================================================
   FEATURED CALCULATOR CARDS
   ================================================================ */

.featured {
  background: var(--color-surface-2);
}
.featured__heading {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}
.featured__sub {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-bottom: var(--space-8);
  max-width: 52ch;
}
.featured__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--space-4);
}
.calc-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  cursor: pointer;
  transition:
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive),
    border-color var(--transition-interactive);
}
.calc-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--color-primary);
}
.calc-card:active {
  transform: translateY(0);
}
.calc-card__icon {
  width: 40px;
  height: 40px;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.calc-card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}
.calc-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ================================================================
   CALCULATOR WORKSPACE
   ================================================================ */

.workspace__heading {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}
.workspace__tabs {
  display: flex;
  gap: var(--space-1);
  overflow-x: auto;
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-6);
  scrollbar-width: thin;
  border-bottom: 1px solid var(--color-divider);
}
.workspace__tab {
  flex-shrink: 0;
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition:
    color var(--transition-interactive),
    border-color var(--transition-interactive),
    background var(--transition-interactive);
}
.workspace__tab:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}
.workspace__tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 600;
}
.calc-panel {
  display: none;
  animation: fadeIn 0.25s var(--ease-out);
}
.calc-panel.active {
  display: block;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Calculator Layout */
.calc-layout {
  display: grid;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .calc-layout {
    grid-template-columns: 1fr 1fr;
  }
}
.calc-inputs,
.calc-results {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.calc-inputs__title,
.calc-results__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.input-group {
  margin-bottom: var(--space-4);
}
.input-group:last-child {
  margin-bottom: 0;
}
.input-group label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.input-group input,
.input-group select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-base);
  font-variant-numeric: tabular-nums;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.input-group input:focus,
.input-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.15);
}
.input-group .helper {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-1);
}
.input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

/* Results */
.result-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
}
.result-item:last-child {
  border-bottom: none;
}
.result-item__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.result-item__value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
}
.result-item__value.positive {
  color: var(--color-success);
}
.result-item__value.negative {
  color: var(--color-error);
}
.result-item__value.highlight {
  color: var(--color-primary);
}
.result-summary {
  background: var(--color-primary-highlight);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-top: var(--space-4);
  text-align: center;
}
.result-summary__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-1);
}
.result-summary__value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

/* Chart container */
.chart-container {
  margin-top: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}
.chart-container canvas {
  width: 100% !important;
  max-height: 300px;
}

/* Reset button */
.calc-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

/* Educational blurb */
.calc-learn {
  margin-top: var(--space-6);
  padding: var(--space-4);
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.calc-learn strong {
  color: var(--color-text);
}

/* ================================================================
   REAL ESTATE STANDOUT
   ================================================================ */

.re-results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
@media (max-width: 480px) {
  .re-results-grid {
    grid-template-columns: 1fr;
  }
}
.re-metric {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  text-align: center;
}
.re-metric__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-1);
}
.re-metric__value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
}

/* ================================================================
   VALUE PROPS / WHY SECTION
   ================================================================ */

.why {
  background: var(--color-surface-2);
}
.why__heading {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-8);
  text-align: center;
}
.why__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: var(--space-6);
  max-width: var(--content-default);
  margin-inline: auto;
}
.why__item {
  text-align: left;
}
.why__icon {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.why__item h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}
.why__item p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ================================================================
   METHODOLOGY / LEARN
   ================================================================ */

.learn__heading {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}
.learn__sub {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-bottom: var(--space-8);
  max-width: 60ch;
}
.learn__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
  gap: var(--space-6);
}
.learn__card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
}
.learn__card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  margin-bottom: var(--space-3);
}
.learn__card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ================================================================
   FAQ
   ================================================================ */

.faq {
  background: var(--color-surface-2);
}
.faq__heading {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-8);
  text-align: center;
}
.faq__list {
  max-width: var(--content-narrow);
  margin-inline: auto;
}
.faq__item {
  border-bottom: 1px solid var(--color-divider);
}
.faq__item:first-child {
  border-top: 1px solid var(--color-divider);
}
.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
  gap: var(--space-4);
}
.faq__question:hover {
  color: var(--color-primary);
}
.faq__chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-text-faint);
  transition: transform 0.25s var(--ease-out);
}
.faq__item.open .faq__chevron {
  transform: rotate(180deg);
}
.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease-out), padding 0.35s var(--ease-out);
}
.faq__item.open .faq__answer {
  max-height: 400px;
}
.faq__answer p {
  padding-bottom: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ================================================================
   WORKSPACE TOOLBAR
   ================================================================ */

.workspace__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.workspace__header .workspace__heading {
  margin-bottom: 0;
}
.workspace__toolbar {
  display: flex;
  gap: var(--space-2);
}

/* ================================================================
   COMPARISON MODE
   ================================================================ */

.compare-section {
  background: var(--color-surface-2);
}
.compare__controls {
  margin-bottom: var(--space-6);
}
.compare__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .compare__grid {
    grid-template-columns: 1fr 1fr;
  }
}
.compare__scenario {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.compare__label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}
.compare__fields .input-group {
  margin-bottom: var(--space-3);
}
.compare__fields .input-group label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: var(--space-1);
}
.compare__fields .input-group input,
.compare__fields .input-group select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
}
.compare__fields .input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}
.compare__results {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}
.compare__results .result-item {
  padding: var(--space-2) 0;
}
.compare__results .result-item__value {
  font-size: var(--text-base);
}
.compare__results .result-summary {
  margin-top: var(--space-3);
  padding: var(--space-3);
}
.compare__results .result-summary__value {
  font-size: var(--text-lg);
}
.compare__diff {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-1);
}

/* ================================================================
   HISTORICAL REFERENCE TABLES
   ================================================================ */

.reference__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: var(--space-4);
}
.reference__table-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.reference__table-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  padding: var(--space-4) var(--space-4) var(--space-2);
}
.reference__table {
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}
.reference__table thead {
  background: var(--color-surface-2);
}
.reference__table th {
  font-weight: 600;
  text-align: left;
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 0.6875rem;
}
.reference__table td {
  padding: var(--space-2) var(--space-4);
  border-top: 1px solid var(--color-divider);
  color: var(--color-text-muted);
}
.reference__table tbody tr:hover {
  background: var(--color-surface-2);
}

/* ================================================================
   TOAST
   ================================================================ */

.toast {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  z-index: 200;
  pointer-events: none;
  opacity: 0;
  transition: transform 0.35s var(--ease-out), opacity 0.35s var(--ease-out);
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

/* ================================================================
   FOOTER
   ================================================================ */

.footer {
  background: var(--color-surface-2);
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-8);
}
.footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  text-align: center;
}
@media (min-width: 768px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}
.footer__brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
}
.footer__links {
  display: flex;
  gap: var(--space-4);
}
.footer__links a {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer__links a:hover {
  color: var(--color-text);
}
.footer__disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: 60ch;
  line-height: 1.5;
  margin-top: var(--space-2);
}

/* ================================================================
   SCROLL ANIMATIONS
   ================================================================ */

.fade-in {
  opacity: 1;
}
@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 80%;
  }
}
@keyframes reveal-fade {
  to { opacity: 1; }
}

/* ================================================================
   SKIP LINK
   ================================================================ */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 200;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: top 0.2s;
}
.skip-link:focus {
  top: var(--space-2);
}

/* ================================================================
   RENT VS BUY BAR
   ================================================================ */

.comparison-bar {
  margin-top: var(--space-4);
}
.comparison-bar__label {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}
.comparison-bar__track {
  height: 12px;
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  overflow: hidden;
  display: flex;
}
.comparison-bar__own {
  background: var(--color-primary);
  height: 100%;
  transition: width 0.5s var(--ease-out);
  border-radius: var(--radius-full) 0 0 var(--radius-full);
}
.comparison-bar__rent {
  background: var(--color-accent-green);
  height: 100%;
  transition: width 0.5s var(--ease-out);
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
}
.comparison-verdict {
  margin-top: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  font-size: var(--text-sm);
  font-weight: 500;
  text-align: center;
  color: var(--color-text);
}