/* ============================================
   DESIGN TOKENS — Undergrads Moving Calculator
   Real branding: Navy #143c5c, Gold #f6b450
   Fonts: Inter (headings) + Poppins (body)
   ============================================ */

:root {
  /* Type Scale */
  --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);

  /* Font Families — matches undergrads.com */
  --font-display: 'Inter', 'Helvetica Neue', sans-serif;
  --font-body: 'Poppins', 'Inter', sans-serif;

  /* 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-2xl: 1.25rem;
  --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);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}

/* ============================================
   LIGHT MODE (default)
   Undergrads brand: Navy #143c5c, Gold #f6b450
   ============================================ */
:root, [data-theme="light"] {
  --color-navy: #143c5c;
  --color-navy-light: #1e5580;
  --color-navy-deep: #0d2a42;
  --color-gold: #f6b450;
  --color-gold-hover: #e5a03c;
  --color-gold-light: #fef5e4;
  --color-gold-dark: #d4922e;

  --color-bg: #ffffff;
  --color-surface: #ffffff;
  --color-surface-2: #fafaf8;
  --color-surface-offset: #f5f3ef;
  --color-divider: #e8e5e0;
  --color-border: #d8d4cd;

  --color-text: #414042;
  --color-text-muted: #787878;
  --color-text-faint: #a0a0a0;
  --color-text-inverse: #ffffff;

  --color-success: #16a34a;
  --color-success-light: #dcfce7;

  --shadow-sm: 0 1px 3px rgba(20, 60, 92, 0.06);
  --shadow-md: 0 4px 16px rgba(20, 60, 92, 0.08);
  --shadow-lg: 0 12px 40px rgba(20, 60, 92, 0.12);
  --shadow-xl: 0 20px 60px rgba(20, 60, 92, 0.15);
}

/* ============================================
   DARK MODE
   ============================================ */
[data-theme="dark"] {
  --color-navy: #5b9cc7;
  --color-navy-light: #78b3d8;
  --color-navy-deep: #3d7ba3;
  --color-gold: #f6b450;
  --color-gold-hover: #fcc46e;
  --color-gold-light: #3d301e;
  --color-gold-dark: #d4922e;

  --color-bg: #111318;
  --color-surface: #191c23;
  --color-surface-2: #1f222b;
  --color-surface-offset: #161921;
  --color-divider: #2a2d38;
  --color-border: #363a46;

  --color-text: #e2e4ea;
  --color-text-muted: #8b8fa3;
  --color-text-faint: #5a5e72;
  --color-text-inverse: #111318;

  --color-success: #4ade80;
  --color-success-light: #1a3326;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.3);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.4);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-navy: #5b9cc7;
    --color-navy-light: #78b3d8;
    --color-navy-deep: #3d7ba3;
    --color-gold: #f6b450;
    --color-gold-hover: #fcc46e;
    --color-gold-light: #3d301e;
    --color-gold-dark: #d4922e;
    --color-bg: #111318;
    --color-surface: #191c23;
    --color-surface-2: #1f222b;
    --color-surface-offset: #161921;
    --color-divider: #2a2d38;
    --color-border: #363a46;
    --color-text: #e2e4ea;
    --color-text-muted: #8b8fa3;
    --color-text-faint: #5a5e72;
    --color-text-inverse: #111318;
    --color-success: #4ade80;
    --color-success-light: #1a3326;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.3);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.4);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.5);
  }
}


/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
}

.header-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-3) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.logo-img {
  height: 40px;
  width: auto;
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header-location {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

.header-location svg {
  display: inline;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-5);
  background: var(--color-gold);
  color: var(--color-navy-deep);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xs);
  text-decoration: none;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transition: background var(--transition-interactive), transform var(--transition-interactive);
}

.header-cta:hover {
  background: var(--color-gold-hover);
  transform: translateY(-1px);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  transition: background var(--transition-interactive), color var(--transition-interactive);
}

.theme-toggle:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}


/* ============================================
   HERO
   ============================================ */
.hero {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) var(--space-6);
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface-offset) 100%);
}

.hero-inner {
  max-width: 720px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-4);
  background: var(--color-gold-light);
  color: var(--color-gold-dark);
  font-size: var(--text-xs);
  font-weight: 600;
  font-family: var(--font-display);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-6);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-navy);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
  line-height: 1.1;
}

.hero h1 .accent {
  color: var(--color-gold-dark);
}

[data-theme="dark"] .hero h1 .accent {
  color: var(--color-gold);
}

.hero-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 540px;
  margin: 0 auto var(--space-8);
  line-height: 1.7;
}

.hero-sub strong {
  color: var(--color-text);
  font-weight: 600;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  background: var(--color-gold);
  color: var(--color-navy-deep);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  text-decoration: none;
  border-radius: var(--radius-full);
  transition: background var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
  box-shadow: var(--shadow-sm);
}

.hero-cta:hover {
  background: var(--color-gold-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.hero-cta:active {
  transform: translateY(0);
}


/* ============================================
   CALCULATOR SECTION
   ============================================ */
.calculator-section {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) var(--space-6);
}

.calc-container {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.calc-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.calc-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-navy);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}

.calc-header p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin: 0 auto;
}

.calc-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: start;
}

@media (max-width: 900px) {
  .calc-layout {
    grid-template-columns: 1fr;
  }
}


/* ============================================
   FORM
   ============================================ */
.calc-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.form-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-gold-dark);
  background: var(--color-gold-light);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  min-width: 2.5rem;
  text-align: center;
}

[data-theme="dark"] .form-value {
  color: var(--color-gold);
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: calc(-1 * var(--space-1));
}

/* Size Cards */
.size-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}

@media (max-width: 500px) {
  .size-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

.size-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-2);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color var(--transition-interactive),
              background var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
}

.size-card:hover {
  border-color: var(--color-navy);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.size-card.active {
  border-color: var(--color-navy);
  background: color-mix(in srgb, var(--color-navy) 6%, var(--color-surface));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-navy) 15%, transparent);
}

.size-icon {
  color: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: center;
}

.size-card.active .size-icon {
  color: var(--color-gold-dark);
}

[data-theme="dark"] .size-card.active .size-icon {
  color: var(--color-gold);
}

.size-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.size-hint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* Slider */
.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-divider);
  outline: none;
  cursor: pointer;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-navy);
  border: 3px solid var(--color-surface);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive);
}

.slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: var(--shadow-lg);
}

.slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-navy);
  border: 3px solid var(--color-surface);
  box-shadow: var(--shadow-md);
  cursor: pointer;
}

.slider-hints {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.hint-label {
  display: none;
}

@media (min-width: 500px) {
  .hint-label { display: inline; }
}

/* Stepper */
.stepper {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2) var(--space-4);
  width: fit-content;
}

.stepper-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  color: var(--color-text);
  transition: background var(--transition-interactive), transform var(--transition-interactive);
}

.stepper-btn:hover {
  background: var(--color-navy);
  color: var(--color-text-inverse);
  transform: scale(1.05);
}

.stepper-btn:active {
  transform: scale(0.95);
}

.stepper-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-text);
  min-width: 2rem;
  text-align: center;
}

/* Select */
.select-wrapper {
  position: relative;
}

.select-wrapper select {
  width: 100%;
  padding: var(--space-3) var(--space-10) var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  color: var(--color-text);
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.select-wrapper select:focus {
  border-color: var(--color-navy);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-navy) 15%, transparent);
}

.select-chevron {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}


/* ============================================
   RESULTS
   ============================================ */
.calc-results {
  position: sticky;
  top: 5rem;
}

.results-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

/* Estimate Header — Navy blue block */
.estimate-header {
  background: linear-gradient(135deg, #143c5c 0%, #1e5580 100%);
  color: #fff;
  padding: var(--space-8);
  text-align: center;
}

[data-theme="dark"] .estimate-header {
  background: linear-gradient(135deg, #1a3a52 0%, #1e4a6a 100%);
}

.estimate-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.75;
  font-weight: 500;
  font-family: var(--font-display);
}

.estimate-price {
  font-family: var(--font-display);
  font-size: clamp(3rem, 2rem + 4vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin: var(--space-2) 0;
  letter-spacing: -0.03em;
  color: var(--color-gold);
}

.estimate-price .dollar {
  font-size: 0.5em;
  vertical-align: super;
  opacity: 0.8;
  margin-right: 2px;
}

.estimate-range {
  font-size: var(--text-sm);
  opacity: 0.65;
  margin-bottom: var(--space-4);
}

.estimate-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: rgba(255,255,255,0.12);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
}

.estimate-badge svg {
  display: inline;
  flex-shrink: 0;
}


/* Breakdown */
.breakdown {
  padding: var(--space-6) var(--space-8);
  border-bottom: 1px solid var(--color-divider);
}

.breakdown-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
}

.breakdown-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
}

.breakdown-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
}

.breakdown-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  flex-shrink: 0;
  font-family: var(--font-display);
}

.breakdown-detail {
  color: var(--color-text-faint);
  font-weight: 400;
}

.breakdown-amount {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
  font-family: var(--font-display);
}

.breakdown-total {
  border-top: 2px solid var(--color-divider);
  padding-top: var(--space-3);
  margin-top: var(--space-1);
}

.breakdown-total .breakdown-label {
  font-weight: 800;
  color: var(--color-navy);
  font-family: var(--font-display);
}

.breakdown-total .breakdown-amount {
  font-weight: 800;
  color: var(--color-navy);
  font-size: var(--text-base);
}


/* Comparison */
.comparison {
  padding: var(--space-6) var(--space-8);
  border-bottom: 1px solid var(--color-divider);
}

.comparison-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-5);
}

.comparison-bars {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.comp-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.comp-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.comp-name {
  font-size: var(--text-sm);
  font-weight: 700;
  font-family: var(--font-display);
}

.undergrads-name {
  color: var(--color-navy);
}

.other-name {
  color: var(--color-text-muted);
}

.fullservice-name {
  color: var(--color-text-faint);
}

.comp-price {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}

.comp-bar-track {
  width: 100%;
  height: 10px;
  background: var(--color-surface-offset);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.comp-bar {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 600ms var(--ease-out);
}

.comp-bar-ug {
  background: linear-gradient(90deg, #143c5c, #1e5580);
}

[data-theme="dark"] .comp-bar-ug {
  background: linear-gradient(90deg, #3d7ba3, #5b9cc7);
}

.comp-bar-other {
  background: var(--color-text-muted);
}

.comp-bar-fs {
  background: var(--color-text-faint);
}

.savings-callout {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-success-light);
  color: var(--color-success);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 500;
}

.savings-callout svg {
  display: inline;
  flex-shrink: 0;
}

.savings-callout strong {
  font-weight: 700;
}

.comparison-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
}


/* Results CTA */
.results-cta {
  padding: var(--space-5) var(--space-8);
  text-align: center;
  border-bottom: 1px solid var(--color-divider);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.book-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  background: var(--color-gold);
  color: var(--color-navy-deep);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  text-decoration: none;
  border-radius: var(--radius-full);
  transition: background var(--transition-interactive), transform var(--transition-interactive), box-shadow var(--transition-interactive);
  box-shadow: var(--shadow-sm);
  width: 100%;
  justify-content: center;
}

[data-theme="dark"] .book-cta {
  color: #1a1a1a;
}

.book-cta:hover {
  background: var(--color-gold-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.book-cta svg {
  display: inline;
  flex-shrink: 0;
}

/* Call CTA */
.call-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  background: transparent;
  color: var(--color-navy);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  text-decoration: none;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-navy);
  transition: background var(--transition-interactive), transform var(--transition-interactive), color var(--transition-interactive);
  width: 100%;
  justify-content: center;
}

.call-cta:hover {
  background: var(--color-navy);
  color: #fff;
  transform: translateY(-1px);
}

[data-theme="dark"] .call-cta {
  color: var(--color-gold);
  border-color: var(--color-gold);
}

[data-theme="dark"] .call-cta:hover {
  background: var(--color-gold);
  color: #1a1a1a;
}

.call-cta svg {
  display: inline;
  flex-shrink: 0;
}


/* Disclaimer */
.disclaimer {
  padding: var(--space-5) var(--space-8);
  background: var(--color-surface-offset);
}

.disclaimer p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.disclaimer strong {
  color: var(--color-gold-dark);
}

[data-theme="dark"] .disclaimer strong {
  color: var(--color-gold);
}


/* ============================================
   FAQ SECTION
   ============================================ */
.faq-section {
  padding: clamp(var(--space-12), 6vw, var(--space-24)) var(--space-6);
  background: var(--color-surface-offset);
}

.faq-container {
  max-width: var(--content-default);
  margin: 0 auto;
}

.faq-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-navy);
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: var(--space-10);
}

.faq-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-item summary {
  padding: var(--space-5) var(--space-6);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text-faint);
  flex-shrink: 0;
  margin-left: var(--space-4);
  transition: transform var(--transition-interactive);
}

.faq-item[open] summary::after {
  content: '−';
  color: var(--color-gold-dark);
}

.faq-item p {
  padding: 0 var(--space-6) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}


/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  padding: var(--space-10) var(--space-6);
  border-top: 1px solid var(--color-divider);
}

.footer-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-brand {
  display: flex;
  align-items: center;
}

.footer-logo {
  height: 32px;
  width: auto;
}

.footer-links {
  display: flex;
  gap: var(--space-6);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-interactive);
}

.footer-links a:hover {
  color: var(--color-navy);
}

.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}


/* ============================================
   DATE INPUT & SURCHARGE PILLS
   ============================================ */
.date-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  color: var(--color-text);
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.date-input:focus {
  border-color: var(--color-navy);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-navy) 15%, transparent);
  outline: none;
}

.date-input::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: 0.6;
  filter: var(--calendar-filter, none);
}

[data-theme="dark"] .date-input::-webkit-calendar-picker-indicator {
  filter: invert(0.8);
}

.form-hint-inline {
  font-weight: 400;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.date-surcharge-info {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-1);
}

.date-pill {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  background: color-mix(in srgb, var(--color-gold) 12%, var(--color-surface));
  color: var(--color-gold-dark);
  font-size: var(--text-xs);
  font-weight: 600;
  font-family: var(--font-display);
  border-radius: var(--radius-full);
  border: 1px solid color-mix(in srgb, var(--color-gold) 25%, transparent);
}

[data-theme="dark"] .date-pill {
  color: var(--color-gold);
  background: color-mix(in srgb, var(--color-gold) 10%, var(--color-surface));
  border-color: color-mix(in srgb, var(--color-gold) 20%, transparent);
}

.date-pill-cap {
  background: color-mix(in srgb, var(--color-navy) 10%, var(--color-surface));
  color: var(--color-navy);
  border-color: color-mix(in srgb, var(--color-navy) 20%, transparent);
  font-weight: 700;
}


/* ============================================
   DISTANCE CARDS
   ============================================ */
.distance-cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-2);
}

@media (max-width: 600px) {
  .distance-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 380px) {
  .distance-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

.distance-card {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-2);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color var(--transition-interactive),
              background var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
}

.distance-card:hover {
  border-color: var(--color-navy);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.distance-card.active {
  border-color: var(--color-navy);
  background: color-mix(in srgb, var(--color-navy) 6%, var(--color-surface));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-navy) 15%, transparent);
}

.dist-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xs);
  color: var(--color-text);
  white-space: nowrap;
}

.distance-card.active .dist-value {
  color: var(--color-navy);
}


/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes price-update {
  0%   { transform: scale(1); }
  30%  { transform: scale(1.04); }
  100% { transform: scale(1); }
}

.price-animate {
  animation: price-update 400ms var(--ease-out);
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.calc-form .form-group {
  opacity: 0;
  animation: fade-in-up 500ms var(--ease-out) forwards;
}

.calc-form .form-group:nth-child(1) { animation-delay: 100ms; }
.calc-form .form-group:nth-child(2) { animation-delay: 180ms; }
.calc-form .form-group:nth-child(3) { animation-delay: 260ms; }
.calc-form .form-group:nth-child(4) { animation-delay: 340ms; }
.calc-form .form-group:nth-child(5) { animation-delay: 420ms; }
.calc-form .form-group:nth-child(6) { animation-delay: 500ms; }

.results-card {
  opacity: 0;
  animation: fade-in-up 600ms var(--ease-out) 300ms forwards;
}


/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .calc-results {
    position: static;
  }
  
  .estimate-header {
    padding: var(--space-6);
  }
  
  .breakdown,
  .comparison,
  .results-cta,
  .disclaimer {
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }
}

@media (max-width: 500px) {
  .hero h1 {
    font-size: clamp(1.75rem, 1.2rem + 3vw, 2.5rem);
  }
  
  .hero-badge {
    font-size: 0.7rem;
  }
  
  .header-location {
    display: none;
  }
  
  .header-cta {
    display: none;
  }
  
  .estimate-price {
    font-size: 3rem;
  }
  
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }
}


/* ============================================
   TOOL TABS
   ============================================ */
.tools-section {
  padding: 0 var(--space-6);
}

.tools-container {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.tool-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
  padding-top: clamp(var(--space-10), 5vw, var(--space-16));
}

.tool-tab {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 200ms var(--ease-out);
  white-space: nowrap;
}

.tool-tab:hover {
  border-color: var(--color-navy);
  color: var(--color-navy);
}

.tool-tab.active {
  background: var(--color-navy);
  border-color: var(--color-navy);
  color: #fff;
  box-shadow: var(--shadow-md);
}

.tool-tab svg {
  display: inline;
  flex-shrink: 0;
}

.tool-panel {
  display: none;
}

.tool-panel.active {
  display: block;
  animation: fade-in-up 400ms var(--ease-out);
}

@media (max-width: 500px) {
  .tool-tab {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
    gap: var(--space-1);
  }

  .tool-tab svg {
    width: 14px;
    height: 14px;
  }
}


/* ============================================
   QUOTE VERIFIER (panel-validator)
   ============================================ */
.validator-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: start;
}

@media (max-width: 768px) {
  .validator-layout {
    grid-template-columns: 1fr;
  }
}

.validator-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* Fade-in for validator form groups */
.validator-form .form-group,
.validator-form .quote-input-group {
  opacity: 0;
  animation: fade-in-up 500ms var(--ease-out) forwards;
}
.validator-form .quote-input-group { animation-delay: 100ms; }
.validator-form .form-group:nth-child(2) { animation-delay: 180ms; }
.validator-form .form-group:nth-child(3) { animation-delay: 260ms; }
.validator-form .form-group:nth-child(4) { animation-delay: 340ms; }
.validator-form .form-group:nth-child(5) { animation-delay: 420ms; }
.validator-form .form-group:nth-child(6) { animation-delay: 500ms; }

/* Quote input — big and prominent */
.quote-input-group {
  text-align: center;
  padding: var(--space-6);
  background: var(--color-surface-offset);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

.quote-input-group .form-label {
  justify-content: center;
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
}

.quote-input-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
}

.quote-dollar {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text-muted);
}

.quote-amount-input {
  width: 180px;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  -moz-appearance: textfield;
}

.quote-amount-input::-webkit-outer-spin-button,
.quote-amount-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.quote-amount-input:focus {
  border-color: var(--color-navy);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-navy) 15%, transparent);
  outline: none;
}

/* Verdict card */
.validator-results {
  position: sticky;
  top: 5rem;
}

.verdict-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  opacity: 0;
  animation: fade-in-up 600ms var(--ease-out) 300ms forwards;
}

.verdict-header {
  padding: var(--space-8);
  text-align: center;
  transition: background 400ms var(--ease-out);
}

.verdict-header.verdict-great { background: linear-gradient(135deg, #15803d 0%, #16a34a 100%); color: #fff; }
.verdict-header.verdict-good  { background: linear-gradient(135deg, #143c5c 0%, #1e5580 100%); color: #fff; }
.verdict-header.verdict-high  { background: linear-gradient(135deg, #b45309 0%, #d97706 100%); color: #fff; }
.verdict-header.verdict-way-high { background: linear-gradient(135deg, #991b1b 0%, #dc2626 100%); color: #fff; }
.verdict-header.verdict-pending { background: linear-gradient(135deg, #143c5c 0%, #1e5580 100%); color: #fff; }

[data-theme="dark"] .verdict-header.verdict-great { background: linear-gradient(135deg, #14532d 0%, #166534 100%); }
[data-theme="dark"] .verdict-header.verdict-good  { background: linear-gradient(135deg, #1a3a52 0%, #1e4a6a 100%); }
[data-theme="dark"] .verdict-header.verdict-high  { background: linear-gradient(135deg, #78350f 0%, #92400e 100%); }
[data-theme="dark"] .verdict-header.verdict-way-high { background: linear-gradient(135deg, #7f1d1d 0%, #991b1b 100%); }
[data-theme="dark"] .verdict-header.verdict-pending { background: linear-gradient(135deg, #1a3a52 0%, #1e4a6a 100%); }

.verdict-emoji { font-size: 2.5rem; margin-bottom: var(--space-2); display: block; }
.verdict-label { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 800; letter-spacing: -0.02em; display: block; margin-bottom: var(--space-2); }
.verdict-subtitle { font-size: var(--text-sm); opacity: 0.8; max-width: 320px; margin: 0 auto; line-height: 1.5; }

.verdict-details { padding: var(--space-6) var(--space-8); }

.verdict-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
  font-size: var(--text-sm);
}

.verdict-row:last-child { border-bottom: none; }
.verdict-row-label { color: var(--color-text-muted); }
.verdict-row-value { font-family: var(--font-display); font-weight: 700; color: var(--color-text); font-variant-numeric: tabular-nums; }
.verdict-row-value.positive { color: var(--color-success); }
.verdict-row-value.negative { color: var(--color-gold-dark); }
[data-theme="dark"] .verdict-row-value.negative { color: var(--color-gold); }

.verdict-cta-wrap { padding: var(--space-5) var(--space-8); text-align: center; border-top: 1px solid var(--color-divider); display: flex; flex-direction: column; gap: var(--space-3); }
.verdict-cta-wrap .book-cta { width: 100%; }
.verdict-cta-wrap .call-cta { width: 100%; }

/* Scale bar */
.verdict-scale { padding: var(--space-5) var(--space-8); border-bottom: 1px solid var(--color-divider); }

.scale-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-3);
}

.scale-bar { display: flex; border-radius: var(--radius-lg); overflow: hidden; height: 8px; margin-bottom: var(--space-3); }
.scale-segment { height: 100%; transition: opacity 300ms var(--ease-out); }
.scale-segment-great { background: #16a34a; flex: 1; }
.scale-segment-good  { background: #1e5580; flex: 1; }
.scale-segment-high  { background: #d97706; flex: 1; }
.scale-segment-way   { background: #dc2626; flex: 1; }

.scale-labels { display: flex; justify-content: space-between; font-size: 0.65rem; color: var(--color-text-faint); font-family: var(--font-display); font-weight: 600; }

.scale-marker { position: relative; height: 8px; margin-bottom: var(--space-1); }

.scale-indicator {
  position: absolute;
  top: -4px;
  width: 16px;
  height: 16px;
  background: var(--color-text);
  border: 3px solid var(--color-surface);
  border-radius: 50%;
  transform: translateX(-50%);
  transition: left 400ms var(--ease-out);
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.validator-disclaimer { padding: var(--space-5) var(--space-8); background: var(--color-surface-offset); }
.validator-disclaimer p { font-size: var(--text-xs); color: var(--color-text-muted); line-height: 1.6; }

@media (max-width: 900px) {
  .validator-results { position: static; }
  .verdict-header { padding: var(--space-6); }
  .verdict-details,
  .verdict-scale,
  .verdict-cta-wrap,
  .validator-disclaimer {
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }
}