:root {
  --bg-cream: #FAF7F2;
  --bg-card: #FFFFFF;
  --primary-red: #A32828;
  --primary-red-hover: #821E1E;
  --primary-red-light: #FDF1F1;
  --contrast-forest: #1E3A2B;
  --contrast-forest-hover: #14271D;
  --contrast-forest-light: #EBF2EE;
  --gold-accent: #C4821E;
  --text-main: #1D231F;
  --text-muted: #536058;
  --text-light: #87948C;
  --border-warm: #E7E2D6;
  --border-light: #F2EFE8;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-subtle: 0 4px 20px -2px rgba(30, 58, 43, 0.06), 0 2px 6px -1px rgba(29, 35, 31, 0.03);
  --shadow-hover: 0 12px 28px -4px rgba(30, 58, 43, 0.12), 0 4px 10px -2px rgba(29, 35, 31, 0.05);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-editorial: 'Lora', Georgia, serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-cream);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

.site-header {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-warm);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(30, 58, 43, 0.03);
}

.header-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon-svg {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.logo-link:hover .logo-icon-svg {
  transform: rotate(-6deg) scale(1.06);
}

.logo-text-group {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: var(--font-serif);
  font-size: 1.68rem;
  font-weight: 700;
  color: var(--primary-red);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.logo-subtitle {
  font-family: var(--font-sans);
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--contrast-forest);
  margin-top: 2px;
}

.main-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 6px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--contrast-forest);
  transition: all 0.2s ease;
  cursor: pointer;
}

.nav-link:hover {
  background-color: var(--contrast-forest-light);
  color: var(--contrast-forest);
}

.nav-link.active {
  background-color: var(--contrast-forest);
  color: #FFFFFF;
}

.nav-link.active:hover {
  background-color: var(--contrast-forest-hover);
  color: #FFFFFF;
}

.nav-link-special {
  background-color: var(--primary-red-light);
  color: var(--primary-red);
  border: 1px solid rgba(163, 40, 40, 0.16);
  gap: 6px;
}

.nav-link-special:hover {
  background-color: var(--primary-red);
  color: #FFFFFF;
  border-color: var(--primary-red);
}

.nav-link-special.active {
  background-color: var(--primary-red);
  color: #FFFFFF;
  border-color: var(--primary-red);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-sm);
  padding: 8px;
  cursor: pointer;
  color: var(--contrast-forest);
}

.mobile-menu-toggle svg {
  display: block;
  width: 22px;
  height: 22px;
}

.main-wrapper {
  flex: 1;
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.site-footer {
  background-color: var(--contrast-forest);
  color: #FFFFFF;
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 56px 24px 32px;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 40px;
}

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

.footer-brand-header {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.footer-brand-title {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.02em;
}

.footer-brand-sub {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #BACEC3;
  margin-top: 2px;
}

.footer-links-columns {
  display: flex;
  align-items: flex-start;
  gap: 56px;
  flex-wrap: wrap;
}

.footer-col-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  color: #BFCEC6;
  font-size: 0.9rem;
  transition: color 0.2s ease, transform 0.2s ease;
  display: inline-block;
  cursor: pointer;
}

.footer-link:hover {
  color: #FFFFFF;
  transform: translateX(2px);
}

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: #9DB3A8;
}

.footer-legal-links {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
}

.footer-legal-links a {
  color: #BFCEC6;
  transition: color 0.2s ease;
}

.footer-legal-links a:hover {
  color: #FFFFFF;
}

.disclaimer-full-box {
  background-color: #FAF8F2;
  border: 1px solid var(--border-warm);
  border-left: 4px solid var(--contrast-forest);
  border-radius: var(--radius-md);
  padding: 22px 28px;
  margin-top: 40px;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.disclaimer-full-box p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .header-container {
    padding: 12px 16px;
  }
  .main-nav {
    display: none;
  }
  .main-nav.mobile-active {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-card);
    flex-direction: column;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-warm);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
  }
  .main-nav.mobile-active .nav-list {
    flex-direction: column;
    width: 100%;
    gap: 6px;
  }
  .main-nav.mobile-active .nav-link {
    width: 100%;
    padding: 10px 14px;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .main-wrapper {
    padding: 28px 16px 48px;
  }
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* Number Inputs with addons / spin button prevention */
.input-addon-wrap,
.input-wrapper,
.input-wrap,
.input-addon-group,
.has-addon-right-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

/* Inputs with suffix units have dedicated right spacing so text, units and spin arrows never collide */

/* =====================================================================
   SPAGHETTITOOLS CANONICAL COMPONENT DESIGN SYSTEM
   ===================================================================== */

/* Hero Header */
.calc-hero {
  text-align: center;
  padding: 44px 20px 32px;
  max-width: 880px;
  margin: 0 auto;
}

.calc-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-red-light);
  color: var(--primary-red);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  border-radius: 9999px;
  margin-bottom: 16px;
}

.calc-badge.forest {
  background: var(--contrast-forest-light);
  color: var(--contrast-forest);
}

.calc-badge.amber {
  background: #FFF8E6;
  color: #B25E00;
}

.calc-title {
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 4.4vw, 3.2rem);
  line-height: 1.15;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.025em;
  margin-bottom: 16px;
}

.calc-subtitle {
  font-family: var(--font-editorial);
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 760px;
  margin: 0 auto;
}

/* Two-column Layout */
.calc-layout {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 32px;
  max-width: 1240px;
  margin: 0 auto 56px;
  align-items: start;
}

@media (max-width: 992px) {
  .calc-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* Card Panel */
.card-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  box-shadow: var(--shadow-subtle);
}

.card-panel-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 14px;
}

.panel-tag {
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--contrast-forest);
  background: var(--contrast-forest-light);
  padding: 4px 10px;
  border-radius: 9999px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.panel-tag.red {
  color: var(--primary-red);
  background: var(--primary-red-light);
}

.panel-tag.amber {
  color: #B25E00;
  background: #FFF8E6;
}

/* Form Controls */
.form-group {
  margin-bottom: 22px;
}

.form-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}

.form-label .val-display {
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--primary-red);
  font-size: 0.95rem;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 6px;
  line-height: 1.45;
}

.form-input, .input-field {
  width: 100%;
  height: 48px;
  background: #FAF8F3;
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  transition: all 0.2s ease;
  box-sizing: border-box;
}

.form-input:focus, .input-field:focus {
  outline: none;
  background: #FFFFFF;
  border-color: var(--primary-red);
  box-shadow: 0 0 0 3px rgba(163, 40, 40, 0.12);
}

select.form-input, select.input-field {
  cursor: pointer;
  appearance: auto;
}

.form-input.has-left-icon {
  padding-left: 36px;
}

.form-input.has-right-icon {
  padding-right: 44px;
}

.input-icon-left {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-weight: 700;
  color: var(--text-muted);
  pointer-events: none;
  z-index: 2;
}

.input-icon-right,
.input-suffix,
.input-unit {
  position: absolute;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-muted);
  pointer-events: none;
  z-index: 2;
  line-height: 1;
}

.form-input.has-left-icon,
.input-field.has-left-icon {
  padding-left: 36px !important;
}

.form-input.has-right-icon,
.form-input.has-suffix,
.input-field.has-right-icon,
.input-field.has-suffix {
  padding-right: 56px !important;
}

/* Stepper arrows for number inputs: clearly visible and separated from text/icons */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: inner-spin-button !important;
  opacity: 0.8;
  cursor: pointer;
  height: 28px;
  position: relative;
  right: 0;
  margin: 0;
}
input[type="number"]::-webkit-inner-spin-button:hover,
input[type="number"]::-webkit-outer-spin-button:hover {
  opacity: 1;
}

/* Custom Select styling with single clean chevron arrow */
.form-select,
select.form-input,
select.input-field {
  width: 100%;
  height: 48px;
  background-color: #FAF8F3;
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  padding-right: 38px !important;
  font-family: var(--font-sans);
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.2s ease;
  appearance: none !important;
  -webkit-appearance: none !important;
  -moz-appearance: none !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23536058' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  box-sizing: border-box;
}

.form-select:focus,
select.form-input:focus,
select.input-field:focus {
  outline: none;
  border-color: var(--primary-red);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(163, 40, 40, 0.12);
}

.form-range-slider {
  width: 100%;
  margin: 10px 0 6px;
  accent-color: var(--primary-red);
  cursor: pointer;
}

/* Preset Chips */
.quick-chips-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.chip-btn {
  background: #FAF8F3;
  border: 1px solid var(--border-warm);
  border-radius: 9999px;
  padding: 5px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.chip-btn:hover {
  background: var(--border-light);
  color: var(--text-main);
}

.chip-btn.active {
  background: var(--contrast-forest);
  border-color: var(--contrast-forest);
  color: #FFFFFF;
}

/* Segmented Control / Radio tabs */
.segmented-control {
  display: flex;
  background: #FAF8F3;
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-warm);
  gap: 4px;
}

.segmented-btn {
  flex: 1;
  border: none;
  background: transparent;
  padding: 9px 12px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.segmented-btn:hover {
  color: var(--text-main);
}

.segmented-btn.active {
  background: #FFFFFF;
  color: var(--primary-red);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
  font-weight: 700;
}

/* Results Section */
.results-panel {
  background: #FFFFFF;
  border-top: 4px solid var(--contrast-forest);
}

.result-hero-card {
  background: linear-gradient(135deg, var(--contrast-forest) 0%, #162B20 100%);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  text-align: center;
  box-shadow: 0 8px 24px rgba(30, 58, 43, 0.16);
}

.result-hero-card.red {
  background: linear-gradient(135deg, var(--primary-red) 0%, #7A1D1D 100%);
}

.result-hero-card .hero-label {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #BACEC3;
  margin-bottom: 6px;
  font-weight: 600;
}

.result-hero-card.red .hero-label {
  color: #F8C8C8;
}

.result-hero-card .hero-value {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 6px;
}

.result-hero-card .hero-subtext {
  font-size: 0.88rem;
  color: #E2ECE6;
}

.result-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

@media (max-width: 540px) {
  .result-stat-grid {
    grid-template-columns: 1fr;
  }
}

.stat-box {
  background: #FAF8F3;
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-box-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-box-value {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

.stat-box-value.highlight-green {
  color: var(--contrast-forest);
}

.stat-box-value.highlight-red {
  color: var(--primary-red);
}

.stat-box-hint {
  font-size: 0.74rem;
  color: var(--text-muted);
}

/* Breakdown Table */
.breakdown-table-wrapper {
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 24px;
  background: #FFFFFF;
}

.breakdown-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.breakdown-table th {
  background: #FAF8F3;
  padding: 12px 16px;
  text-align: left;
  font-weight: 700;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-warm);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.breakdown-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-main);
}

.breakdown-table tr:last-child td {
  border-bottom: none;
}

.breakdown-table tr.total-row {
  background: #FAF8F3;
  font-weight: 700;
}

.breakdown-table tr.total-row td {
  color: var(--contrast-forest);
  border-top: 2px solid var(--border-warm);
}

/* Alert / Info Boxes */
.alert-box {
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 0.9rem;
  line-height: 1.55;
}

.alert-box.info {
  background: #FAF8F3;
  border: 1px solid var(--border-warm);
  border-left: 4px solid var(--contrast-forest);
  color: var(--text-main);
}

.alert-box.warning {
  background: #FFF9F0;
  border: 1px solid #F5E0C2;
  border-left: 4px solid #D97706;
  color: #78350F;
}

.alert-box.danger {
  background: var(--primary-red-light);
  border: 1px solid rgba(163, 40, 40, 0.2);
  border-left: 4px solid var(--primary-red);
  color: var(--primary-red-hover);
}

/* Guide & FAQ Sections */
.calc-guide-section {
  background: #FFFFFF;
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  margin-bottom: 40px;
}

.calc-guide-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 24px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #FAF8F3;
}

.faq-trigger {
  width: 100%;
  padding: 16px 20px;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.2s ease;
}

.faq-trigger:hover {
  background: rgba(0, 0, 0, 0.02);
}

.faq-answer {
  padding: 0 20px 18px;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-muted);
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-arrow {
  transition: transform 0.25s ease;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
}

/* Disclaimer at page bottom */
.calc-disclaimer {
  background: #FAF8F3;
  border: 1px solid var(--border-warm);
  border-left: 4px solid var(--contrast-forest);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 48px;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}