/* ==========================================================================
   ZAKATSIMPLE - Modern Financial Clarity & Zakat Calculation Design System
   Color Palette: Emerald, Deep Navy, Warm Gold, Crisp Slate
   ========================================================================== */

:root {
  --primary-50: #ecfdf5;
  --primary-100: #d1fae5;
  --primary-200: #a7f3d0;
  --primary-300: #6ee7b7;
  --primary-400: #34d399;
  --primary-500: #10b981;
  --primary-600: #059669;
  --primary-700: #047857;
  --primary-800: #065f46;
  --primary-900: #064e3b;
  --primary-950: #022c22;

  --navy-50: #f8fafc;
  --navy-100: #f1f5f9;
  --navy-200: #e2e8f0;
  --navy-300: #cbd5e1;
  --navy-400: #94a3b8;
  --navy-500: #64748b;
  --navy-600: #475569;
  --navy-700: #334155;
  --navy-800: #1e293b;
  --navy-900: #0f172a;
  --navy-950: #090d16;

  --gold-50: #fffbeb;
  --gold-100: #fef3c7;
  --gold-200: #fde68a;
  --gold-300: #fcd34d;
  --gold-400: #fbbf24;
  --gold-500: #f59e0b;
  --gold-600: #d97706;
  --gold-700: #b45309;
  --gold-800: #92400e;
  --gold-900: #78350f;

  --danger-50: #fef2f2;
  --danger-500: #ef4444;
  --danger-600: #dc2626;

  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-arabic: 'Amiri', 'Traditional Arabic', serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.09), 0 8px 10px -6px rgb(0 0 0 / 0.04);
  --shadow-gold: 0 10px 25px -3px rgba(217, 119, 6, 0.2);
  --shadow-emerald: 0 10px 25px -3px rgba(5, 150, 105, 0.25);

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: #f8fafc;
  color: var(--navy-900);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* ==========================================================================
   NAVIGATION & HEADER
   ========================================================================== */
.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--navy-200);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
  gap: 1rem;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--navy-900);
}

.brand-icon {
  width: 2.75rem;
  height: 2.75rem;
  background: linear-gradient(135deg, var(--primary-800), var(--primary-600));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(4, 120, 87, 0.3);
  position: relative;
  overflow: hidden;
}

.brand-icon::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 1rem;
  height: 1rem;
  background: var(--gold-400);
  border-radius: 0 0 0 100%;
  opacity: 0.85;
}

.brand-title {
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.brand-title .accent-simple {
  color: var(--primary-600);
  font-weight: 800;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--navy-500);
  font-weight: 500;
}

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  align-items: center;
  background: var(--navy-100);
  padding: 0.25rem;
  border-radius: var(--radius-full);
  gap: 0.25rem;
}

.nav-tab-btn {
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy-600);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-tab-btn:hover {
  color: var(--navy-900);
}

.nav-tab-btn.active {
  background-color: #ffffff;
  color: var(--primary-800);
  box-shadow: var(--shadow-sm);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Currency Picker */
.currency-select-wrap {
  display: flex;
  align-items: center;
  background: var(--navy-50);
  border: 1px solid var(--navy-300);
  border-radius: var(--radius-md);
  padding: 0.375rem 0.625rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy-800);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.currency-select-wrap:hover {
  border-color: var(--primary-500);
}

.currency-select {
  border: none;
  background: transparent;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--navy-900);
  cursor: pointer;
  outline: none;
}

/* Header Action Buttons */
.btn-header-action {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-header-print {
  background-color: var(--primary-50);
  color: var(--primary-800);
  border-color: var(--primary-200);
}

.btn-header-print:hover {
  background-color: var(--primary-100);
  color: var(--primary-900);
}

.btn-header-save {
  background-color: var(--navy-900);
  color: #ffffff;
}

.btn-header-save:hover {
  background-color: var(--navy-800);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--navy-700);
  cursor: pointer;
  padding: 0.5rem;
}

/* ==========================================================================
   HERO / BANNER SECTION
   ========================================================================== */
.hero-section {
  background: linear-gradient(135deg, var(--navy-950) 0%, var(--navy-900) 45%, var(--primary-950) 100%);
  color: #ffffff;
  padding: 2.5rem 0 2rem;
  position: relative;
  overflow: hidden;
  border-bottom: 3px solid var(--gold-500);
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 10% 20%, rgba(16, 185, 129, 0.12) 0%, transparent 40%),
                    radial-gradient(circle at 90% 80%, rgba(245, 158, 11, 0.1) 0%, transparent 40%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: var(--gold-300);
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  width: fit-content;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.hero-title span {
  color: var(--gold-400);
}

.hero-subtitle {
  color: var(--navy-300);
  font-size: 1.0625rem;
  max-width: 760px;
}

.quran-verse-card {
  margin-top: 1rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.quran-arabic {
  font-family: var(--font-arabic);
  font-size: 1.35rem;
  direction: rtl;
  color: var(--gold-200);
  line-height: 1.8;
}

.quran-translation {
  font-size: 0.875rem;
  color: var(--navy-200);
  font-style: italic;
}

.quran-ref {
  font-size: 0.75rem;
  color: var(--gold-400);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

/* ==========================================================================
   NISAB CONFIGURATION STRIP
   ========================================================================== */
.nisab-strip {
  background: #ffffff;
  border-bottom: 1px solid var(--navy-200);
  padding: 1.25rem 0;
  box-shadow: var(--shadow-sm);
}

.nisab-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 1.5rem;
  align-items: center;
}

.nisab-toggle-box {
  background: var(--navy-50);
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.nisab-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nisab-heading {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--navy-700);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nisab-choice-pill {
  display: flex;
  background: var(--navy-200);
  padding: 0.25rem;
  border-radius: var(--radius-full);
  gap: 0.25rem;
}

.nisab-choice-btn {
  border: none;
  background: transparent;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--navy-600);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.nisab-choice-btn.active {
  background-color: var(--primary-700);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.nisab-choice-btn.active.gold-btn {
  background-color: var(--gold-600);
  color: #ffffff;
}

.metal-price-card {
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1rem;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  position: relative;
  transition: all var(--transition-fast);
}

.metal-price-card:hover {
  border-color: var(--primary-300);
  box-shadow: var(--shadow-sm);
}

.metal-price-card.active-threshold {
  border-color: var(--primary-500);
  background: linear-gradient(to right, var(--primary-50), #ffffff);
}

.metal-info {
  display: flex;
  flex-direction: column;
}

.metal-name {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--navy-500);
}

.metal-threshold-val {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--navy-900);
}

.metal-subtext {
  font-size: 0.75rem;
  color: var(--navy-500);
}

.metal-input-group {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
}

.metal-input-group label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--navy-500);
}

.metal-input-row {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: var(--navy-50);
  border: 1px solid var(--navy-300);
  border-radius: var(--radius-md);
  padding: 0.25rem 0.5rem;
}

.metal-input {
  width: 5rem;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy-900);
  text-align: right;
  outline: none;
}

.metal-input-unit {
  font-size: 0.75rem;
  color: var(--navy-500);
  font-weight: 600;
}

/* ==========================================================================
   MAIN LAYOUT & TABS CONTENT
   ========================================================================== */
.main-content {
  flex: 1;
  padding: 2rem 0 3.5rem;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* Calculator Grid: Forms + Summary Sidebar */
.calculator-grid {
  display: grid;
  grid-template-columns: 1fr 390px;
  gap: 2rem;
  align-items: flex-start;
}

/* ==========================================================================
   INPUT FORMS & CATEGORY CARDS
   ========================================================================== */
.calculator-sections {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.category-card {
  background: #ffffff;
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal);
}

.category-card:hover {
  box-shadow: var(--shadow-md);
}

.category-card.deduction-card {
  border-left: 5px solid var(--danger-500);
}

.category-card.asset-card {
  border-left: 5px solid var(--primary-600);
}

.category-header {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--navy-100);
  background: #ffffff;
  cursor: pointer;
  user-select: none;
}

.category-title-group {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.category-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
}

.asset-icon {
  background: var(--primary-50);
  color: var(--primary-700);
}

.deduction-icon {
  background: var(--danger-50);
  color: var(--danger-600);
}

.category-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--navy-900);
}

.category-desc {
  font-size: 0.8125rem;
  color: var(--navy-500);
}

.category-header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.category-subtotal-badge {
  font-size: 0.9375rem;
  font-weight: 800;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
}

.asset-subtotal {
  background: var(--primary-50);
  color: var(--primary-800);
}

.deduction-subtotal {
  background: var(--danger-50);
  color: var(--danger-600);
}

.collapse-icon {
  transition: transform var(--transition-fast);
  color: var(--navy-400);
}

.category-card.collapsed .collapse-icon {
  transform: rotate(-90deg);
}

.category-card.collapsed .category-body {
  display: none;
}

.category-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  background: #ffffff;
}

/* Form Fields */
.input-row {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 1.25rem;
  align-items: center;
  padding-bottom: 1.25rem;
  border-bottom: 1px dashed var(--navy-200);
}

.input-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.input-label-col {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.field-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--navy-900);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.field-help {
  font-size: 0.8125rem;
  color: var(--navy-500);
  line-height: 1.4;
}

.tooltip-trigger {
  cursor: help;
  color: var(--navy-400);
  display: inline-flex;
  align-items: center;
}

.tooltip-trigger:hover {
  color: var(--primary-600);
}

/* Currency input box */
.amount-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--navy-300);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  overflow: hidden;
}

.amount-input-wrap:focus-within {
  border-color: var(--primary-600);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.currency-affix {
  padding: 0.625rem 0.75rem;
  background: var(--navy-100);
  color: var(--navy-700);
  font-weight: 700;
  font-size: 0.875rem;
  user-select: none;
  border-right: 1px solid var(--navy-200);
}

.amount-input {
  width: 100%;
  border: none;
  background: transparent;
  padding: 0.625rem 0.75rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy-900);
  outline: none;
  text-align: right;
}

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

/* Metal Specifier Controls (Grams/Tolas/Karats) */
.metal-customizer {
  background: var(--navy-50);
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-lg);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.metal-calc-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
}

.custom-select, .custom-text-input {
  width: 100%;
  border: 1px solid var(--navy-300);
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 0.5rem 0.625rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy-800);
  outline: none;
}

.custom-select:focus, .custom-text-input:focus {
  border-color: var(--primary-600);
}

.metal-computed-value {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #ffffff;
  border: 1px solid var(--primary-200);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
}

.metal-computed-badge {
  font-weight: 800;
  color: var(--primary-700);
}

/* ==========================================================================
   STICKY SUMMARY SIDEBAR (RECEIPT CARD)
   ========================================================================== */
.summary-sidebar {
  position: sticky;
  top: 5.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.summary-card {
  background: #ffffff;
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.summary-card-header {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-950));
  color: #ffffff;
  padding: 1.5rem;
  position: relative;
}

.summary-badge-top {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold-400);
  margin-bottom: 0.25rem;
}

.summary-card-title {
  font-size: 1.375rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hawl-pill {
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.15);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  color: var(--navy-100);
}

.summary-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9375rem;
}

.summary-row.subtext-row {
  font-size: 0.8125rem;
  color: var(--navy-500);
  padding-left: 0.5rem;
}

.summary-label {
  color: var(--navy-600);
  font-weight: 500;
}

.summary-val {
  font-weight: 700;
  color: var(--navy-900);
}

.summary-val.positive {
  color: var(--primary-700);
}

.summary-val.negative {
  color: var(--danger-600);
}

.summary-divider {
  height: 1px;
  background-color: var(--navy-200);
  margin: 0.25rem 0;
}

.net-wealth-box {
  background: var(--navy-50);
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-lg);
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.net-wealth-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy-800);
}

.net-wealth-val {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--navy-900);
}

/* Status Indicator Box */
.nisab-status-box {
  border-radius: var(--radius-lg);
  padding: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  transition: all var(--transition-normal);
}

.nisab-status-box.reached {
  background-color: var(--primary-50);
  border: 1px solid var(--primary-300);
  color: var(--primary-900);
}

.nisab-status-box.not-reached {
  background-color: var(--navy-100);
  border: 1px solid var(--navy-300);
  color: var(--navy-800);
}

.status-icon-wrap {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 800;
}

.reached .status-icon-wrap {
  background-color: var(--primary-600);
  color: #ffffff;
}

.not-reached .status-icon-wrap {
  background-color: var(--navy-400);
  color: #ffffff;
}

.status-text-content {
  display: flex;
  flex-direction: column;
}

.status-title {
  font-size: 0.875rem;
  font-weight: 800;
}

.status-subtitle {
  font-size: 0.75rem;
  margin-top: 0.15rem;
  line-height: 1.35;
}

/* Grand Total Zakat Payable Box */
.zakat-due-highlight {
  background: linear-gradient(135deg, var(--primary-900), var(--primary-700));
  color: #ffffff;
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  text-align: center;
  box-shadow: var(--shadow-emerald);
  position: relative;
  overflow: hidden;
}

.zakat-due-highlight::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.zakat-due-label {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-200);
}

.zakat-due-amount {
  font-size: 2.25rem;
  font-weight: 900;
  margin: 0.25rem 0;
  letter-spacing: -0.03em;
  color: #ffffff;
}

.zakat-due-rate-note {
  font-size: 0.75rem;
  color: var(--primary-100);
}

/* Calendar Rate Switcher (Lunar 2.5% vs Solar 2.577%) */
.calendar-rate-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--navy-50);
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
}

.calendar-rate-label {
  color: var(--navy-600);
  font-weight: 600;
}

.rate-choice-pills {
  display: flex;
  gap: 0.25rem;
}

.rate-pill-btn {
  border: none;
  background: transparent;
  padding: 0.2rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  color: var(--navy-600);
  cursor: pointer;
}

.rate-pill-btn.active {
  background: var(--navy-800);
  color: #ffffff;
}

/* Sidebar Action Buttons */
.summary-actions {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.btn-primary {
  background: var(--primary-700);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.875rem 1.25rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--primary-800);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: #ffffff;
  color: var(--navy-700);
  border: 1px solid var(--navy-300);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.btn-outline:hover {
  background: var(--navy-50);
  color: var(--navy-900);
  border-color: var(--navy-400);
}

.btn-ghost-danger {
  background: transparent;
  color: var(--danger-600);
  border: none;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.35rem;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
}

.btn-ghost-danger:hover {
  text-decoration: underline;
}

/* ==========================================================================
   CHARITY DIRECTORY TAB
   ========================================================================== */
.directory-section {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.directory-hero {
  background: linear-gradient(to right, var(--navy-900), var(--navy-800));
  border-radius: var(--radius-xl);
  padding: 2rem;
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.directory-hero-text h2 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.directory-hero-text p {
  color: var(--navy-300);
  max-width: 600px;
  font-size: 0.9375rem;
}

.directory-filter-bar {
  background: #ffffff;
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.directory-search-row {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.search-input-wrap {
  flex: 1;
  min-width: 260px;
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon-input {
  position: absolute;
  left: 1rem;
  color: var(--navy-400);
}

.search-charity-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  border: 1px solid var(--navy-300);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.9375rem;
  outline: none;
}

.search-charity-input:focus {
  border-color: var(--primary-600);
}

.category-filter-chips {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-chip {
  border: 1px solid var(--navy-200);
  background: var(--navy-50);
  color: var(--navy-700);
  border-radius: var(--radius-full);
  padding: 0.4rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-chip:hover {
  background: var(--navy-100);
}

.filter-chip.active {
  background: var(--primary-700);
  color: #ffffff;
  border-color: var(--primary-700);
}

/* Charity Cards Grid */
.charity-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
}

.charity-card {
  background: #ffffff;
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.charity-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-300);
}

.charity-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.charity-identity {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.charity-logo-avatar {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: var(--radius-md);
  background: var(--navy-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--primary-800);
  border: 1px solid var(--navy-200);
  flex-shrink: 0;
}

.charity-name {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--navy-900);
  line-height: 1.3;
}

.charity-accreditation {
  font-size: 0.75rem;
  color: var(--navy-500);
  margin-top: 0.2rem;
}

.policy-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: var(--primary-50);
  color: var(--primary-800);
  border: 1px solid var(--primary-200);
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.charity-desc {
  font-size: 0.875rem;
  color: var(--navy-600);
  line-height: 1.5;
}

.charity-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag-badge {
  font-size: 0.6875rem;
  background: var(--navy-100);
  color: var(--navy-700);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.charity-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--navy-100);
}

.charity-region {
  font-size: 0.75rem;
  color: var(--navy-500);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.btn-donate-direct {
  background: var(--gold-500);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.5rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

.btn-donate-direct:hover {
  background: var(--gold-600);
}

/* ==========================================================================
   EDUCATIONAL GUIDE & 8 BENEFICIARIES TAB
   ========================================================================== */
.guide-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.quran-ayah-banner {
  background: linear-gradient(135deg, var(--primary-950), var(--navy-900));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  overflow: hidden;
}

.quran-ayah-banner::after {
  content: '۞';
  position: absolute;
  right: -1rem;
  bottom: -2rem;
  font-size: 10rem;
  color: rgba(255, 255, 255, 0.03);
  font-family: serif;
  pointer-events: none;
}

.ayah-arabic-text {
  font-family: var(--font-arabic);
  font-size: 1.75rem;
  direction: rtl;
  color: var(--gold-300);
  line-height: 2;
  text-align: right;
}

.ayah-english-text {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--navy-100);
  border-left: 3px solid var(--gold-400);
  padding-left: 1.25rem;
}

.ayah-source {
  font-size: 0.8125rem;
  color: var(--gold-400);
  font-weight: 700;
}

/* 8 Beneficiaries Grid */
.beneficiaries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.beneficiary-card {
  background: #ffffff;
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: all var(--transition-fast);
}

.beneficiary-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary-400);
  box-shadow: var(--shadow-md);
}

.beneficiary-num {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--navy-200);
}

.beneficiary-arabic {
  font-family: var(--font-arabic);
  font-size: 1.35rem;
  color: var(--primary-800);
  font-weight: bold;
}

.beneficiary-title {
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--navy-900);
}

.beneficiary-desc {
  font-size: 0.875rem;
  color: var(--navy-600);
  line-height: 1.5;
}

/* Comparison Section: Ineligible recipients & Hawl */
.rules-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.rule-box {
  background: #ffffff;
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.rule-box h3 {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--navy-900);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.rule-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.rule-list li {
  font-size: 0.875rem;
  color: var(--navy-700);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.rule-list li svg {
  flex-shrink: 0;
  margin-top: 0.2rem;
}

/* ==========================================================================
   FAQS SECTION
   ========================================================================== */
.faq-container {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.faq-header h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy-900);
}

.faq-header p {
  color: var(--navy-600);
  margin-top: 0.5rem;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--navy-300);
}

.faq-item.open {
  border-color: var(--primary-400);
  box-shadow: var(--shadow-sm);
}

.faq-question-btn {
  width: 100%;
  background: transparent;
  border: none;
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-family: inherit;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--navy-900);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-chevron {
  transition: transform var(--transition-fast);
  color: var(--navy-400);
  flex-shrink: 0;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  color: var(--primary-600);
}

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--navy-600);
  line-height: 1.6;
}

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

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--navy-950);
  color: var(--navy-400);
  border-top: 1px solid var(--navy-800);
  padding: 2.5rem 0 2rem;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-brand h4 {
  color: #ffffff;
  font-size: 1.125rem;
  font-weight: 800;
}

.footer-disclaimer {
  font-size: 0.8125rem;
  color: var(--navy-500);
  max-width: 500px;
}

.footer-links {
  display: flex;
  gap: 1.25rem;
}

.footer-links a {
  color: var(--navy-400);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--gold-400);
}

/* ==========================================================================
   NOTIFICATION TOAST & MODAL
   ========================================================================== */
.toast-notice {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--navy-900);
  color: #ffffff;
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  box-shadow: var(--shadow-xl);
  border-left: 4px solid var(--primary-500);
  z-index: 100;
  transform: translateY(120%);
  opacity: 0;
  transition: all var(--transition-normal);
  pointer-events: none;
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   PRINT STYLESHEET (@media print)
   Generates a clean, formal official assessment statement
   ========================================================================== */
@media print {
  /* Hide interactive web chrome */
  body {
    background-color: #ffffff !important;
    color: #000000 !important;
    font-size: 11pt !important;
  }

  .site-header,
  .hero-section,
  .nisab-strip,
  .nav-tabs,
  .header-actions,
  .summary-actions,
  .btn-ghost-danger,
  .calendar-rate-toggle,
  .site-footer,
  .toast-notice,
  .tooltip-trigger,
  .category-header-right svg,
  .metal-customizer,
  #tab-directory,
  #tab-guide,
  #tab-faq {
    display: none !important;
  }

  .calculator-grid {
    display: block !important;
  }

  .calculator-sections {
    display: none !important;
  }

  /* Printable Official Statement Section */
  .print-only-statement {
    display: block !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  .print-header {
    border-bottom: 2px solid #000000;
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
  }

  .print-title {
    font-size: 20pt;
    font-weight: 900;
    color: #064e3b;
    text-transform: uppercase;
  }

  .print-subtitle {
    font-size: 10pt;
    color: #555555;
    margin-top: 0.25rem;
  }

  .print-meta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 10pt;
    background: #f8fafc;
    padding: 0.75rem;
    border: 1px solid #cccccc;
  }

  .print-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
  }

  .print-table th, .print-table td {
    border: 1px solid #dddddd;
    padding: 0.5rem 0.75rem;
    text-align: left;
    font-size: 10pt;
  }

  .print-table th {
    background-color: #f1f5f9;
    font-weight: bold;
  }

  .print-table .text-right {
    text-align: right;
  }

  .print-table .category-subrow {
    background-color: #f8fafc;
    font-weight: 600;
  }

  .print-total-banner {
    border: 2px solid #064e3b;
    background-color: #ecfdf5 !important;
    padding: 1rem;
    margin-bottom: 2rem;
    text-align: center;
  }

  .print-total-banner .amount {
    font-size: 24pt;
    font-weight: 900;
    color: #064e3b;
  }

  .print-declaration {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px dashed #aaaaaa;
    font-size: 9pt;
    color: #666666;
  }

  .print-signature-row {
    margin-top: 2.5rem;
    display: flex;
    justify-content: space-between;
  }

  .print-signature-box {
    width: 200px;
    border-top: 1px solid #000000;
    text-align: center;
    padding-top: 0.25rem;
    font-size: 9pt;
  }
}

.print-only-statement {
  display: none;
}

/* ==========================================================================
   RESPONSIVE DESIGN (TABLETS & MOBILE)
   ========================================================================== */
@media (max-width: 1024px) {
  .calculator-grid {
    grid-template-columns: 1fr;
  }

  .summary-sidebar {
    position: static;
  }

  .nisab-grid {
    grid-template-columns: 1fr 1fr;
  }

  .nisab-toggle-box {
    grid-column: span 2;
  }

  .rules-split-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: auto;
    padding: 1rem 0;
    flex-wrap: wrap;
  }

  .nav-tabs {
    order: 3;
    width: 100%;
    overflow-x: auto;
    justify-content: flex-start;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .nisab-grid {
    grid-template-columns: 1fr;
  }

  .nisab-toggle-box {
    grid-column: span 1;
  }

  .input-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .metal-calc-row {
    grid-template-columns: 1fr;
  }

  .directory-hero {
    padding: 1.25rem;
  }

  .charity-cards-grid {
    grid-template-columns: 1fr;
  }

  .beneficiaries-grid {
    grid-template-columns: 1fr;
  }
}


/* ==========================================================================
   MULTI-PAGE EXTENSIONS: ARTICLE, GUIDES, COMPLIANCE & FOOTER ENHANCEMENTS
   ========================================================================== */

/* Enhanced Navigation Links & Dropdown */
.nav-link {
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy-600);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--navy-900);
  background-color: var(--navy-200);
}

.nav-link.active {
  background-color: #ffffff;
  color: var(--primary-800);
  box-shadow: var(--shadow-sm);
}

.nav-dropdown {
  position: relative;
  display: inline-block;
}

.nav-dropdown-toggle {
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy-600);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: none;
}

.nav-dropdown-toggle:hover,
.nav-dropdown:hover .nav-dropdown-toggle,
.nav-dropdown.active .nav-dropdown-toggle {
  color: var(--navy-900);
  background: var(--navy-200);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 330px;
  max-height: calc(100vh - 5.5rem);
  overflow-y: auto;
  background: #ffffff;
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-fast);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  scrollbar-width: thin;
  scrollbar-color: var(--navy-300) transparent;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(4px);
}

.nav-dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.625rem 0.75rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--navy-800);
  transition: background var(--transition-fast);
}

.nav-dropdown-item:hover {
  background: var(--primary-50);
}

.dropdown-item-icon {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-sm);
  background: var(--primary-100);
  color: var(--primary-800);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.dropdown-item-title {
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--navy-900);
  line-height: 1.25;
}

.dropdown-item-desc {
  font-size: 0.75rem;
  color: var(--navy-500);
  margin-top: 0.15rem;
  line-height: 1.35;
}

/* Page Hero Banner for Subpages */
.subpage-hero {
  background: linear-gradient(135deg, var(--navy-950) 0%, var(--primary-950) 50%, var(--navy-900) 100%);
  color: #ffffff;
  padding: 3rem 0 3.5rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.subpage-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle at 15% 25%, rgba(16, 185, 129, 0.15) 0%, transparent 45%),
                    radial-gradient(circle at 85% 75%, rgba(245, 158, 11, 0.12) 0%, transparent 45%);
  pointer-events: none;
}

.subpage-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--navy-400);
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--primary-300);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
  color: var(--gold-300);
  text-decoration: underline;
}

.breadcrumbs span.separator {
  color: var(--navy-500);
}

.breadcrumbs span.current {
  color: var(--navy-200);
  font-weight: 600;
}

.subpage-title {
  font-size: 2.25rem;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
  color: #ffffff;
}

.subpage-subtitle {
  font-size: 1.125rem;
  color: var(--navy-200);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  max-width: 780px;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.8125rem;
  color: var(--navy-300);
  flex-wrap: wrap;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.meta-pill strong {
  color: #ffffff;
}

.meta-badge {
  background: rgba(16, 185, 129, 0.2);
  color: var(--primary-300);
  border: 1px solid rgba(16, 185, 129, 0.35);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.75rem;
}

/* Article / Long-Form Layout */
.article-wrapper {
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

.article-card {
  background: #ffffff;
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-xl);
  padding: 2.5rem 3rem;
  box-shadow: var(--shadow-sm);
}

@media (max-width: 768px) {
  .article-card {
    padding: 1.5rem 1.25rem;
  }
}

/* Prose Typography */
.prose {
  color: var(--navy-800);
  font-size: 1.0625rem;
  line-height: 1.8;
}

.prose h2 {
  font-size: 1.625rem;
  font-weight: 800;
  color: var(--navy-900);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--primary-100);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  letter-spacing: -0.015em;
}

.prose h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy-900);
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

.prose p {
  margin-bottom: 1.35rem;
}

.prose strong {
  font-weight: 700;
  color: var(--navy-900);
}

.prose ul, .prose ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.prose li {
  margin-bottom: 0.5rem;
}

.prose blockquote {
  border-left: 4px solid var(--primary-500);
  background: var(--primary-50);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.75rem 0;
  font-style: normal;
  color: var(--navy-900);
}

/* Callout Boxes */
.callout-box {
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.5rem;
  margin: 1.75rem 0;
  border: 1px solid transparent;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.callout-icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.callout-content {
  flex: 1;
}

.callout-title {
  font-weight: 800;
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
}

.callout-text {
  font-size: 0.9rem;
  line-height: 1.6;
}

.callout-emerald {
  background: var(--primary-50);
  border-color: var(--primary-300);
  color: var(--primary-950);
}
.callout-emerald .callout-title { color: var(--primary-800); }
.callout-emerald .callout-icon { color: var(--primary-700); }

.callout-gold {
  background: var(--gold-50);
  border-color: var(--gold-300);
  color: var(--gold-900);
}
.callout-gold .callout-title { color: var(--gold-800); }
.callout-gold .callout-icon { color: var(--gold-700); }

.callout-navy {
  background: var(--navy-50);
  border-color: var(--navy-300);
  color: var(--navy-900);
}
.callout-navy .callout-title { color: var(--navy-800); }
.callout-navy .callout-icon { color: var(--navy-700); }

.callout-danger {
  background: var(--danger-50);
  border-color: #fca5a5;
  color: #7f1d1d;
}
.callout-danger .callout-title { color: var(--danger-600); }
.callout-danger .callout-icon { color: var(--danger-600); }

/* Table of Contents Box */
.toc-box {
  background: var(--navy-50);
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.toc-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--navy-900);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1.5rem;
}

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

.toc-list li a {
  color: var(--navy-700);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

.toc-list li a:hover {
  color: var(--primary-700);
  transform: translateX(2px);
}

/* Comparison Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin: 1.75rem 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--navy-200);
  background: #ffffff;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  text-align: left;
}

.comparison-table th {
  background: var(--navy-800);
  color: #ffffff;
  padding: 0.85rem 1.15rem;
  font-weight: 700;
  border-bottom: 2px solid var(--primary-500);
}

.comparison-table td {
  padding: 0.85rem 1.15rem;
  border-bottom: 1px solid var(--navy-200);
  color: var(--navy-800);
}

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

.comparison-table tr:nth-child(even) {
  background-color: var(--navy-50);
}

.comparison-table tr:hover {
  background-color: var(--primary-50);
}

/* Author Bio Card */
.author-card {
  margin-top: 3.5rem;
  padding: 1.75rem;
  background: var(--navy-50);
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-xl);
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

@media (max-width: 640px) {
  .author-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

.author-avatar {
  width: 4rem;
  height: 4rem;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary-600), var(--navy-800));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.5rem;
  border: 3px solid #ffffff;
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
}

.author-info h4 {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--navy-900);
}

.author-role {
  font-size: 0.8125rem;
  color: var(--primary-700);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.author-bio {
  font-size: 0.875rem;
  color: var(--navy-600);
  line-height: 1.55;
}

/* Article CTA to Calculator */
.calc-cta-card {
  margin-top: 2.5rem;
  background: linear-gradient(135deg, var(--primary-900), var(--navy-900));
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  box-shadow: var(--shadow-lg);
}

.calc-cta-content h3 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
}

.calc-cta-content p {
  color: var(--navy-200);
  font-size: 0.9375rem;
  max-width: 520px;
}

.btn-cta-gold {
  background: var(--gold-500);
  color: var(--navy-950);
  font-weight: 800;
  font-size: 0.9375rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-full);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
}

.btn-cta-gold:hover {
  background: var(--gold-400);
  transform: translateY(-2px);
}

/* Contact Page Form & Layout */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 2rem;
  margin-top: 2rem;
}

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

.contact-card {
  background: #ffffff;
  border: 1px solid var(--navy-200);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-icon-box {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-lg);
  background: var(--primary-100);
  color: var(--primary-800);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy-800);
  margin-bottom: 0.4rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--navy-900);
  background: var(--navy-50);
  border: 1px solid var(--navy-300);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  background: #ffffff;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-status {
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-top: 1rem;
  display: none;
  font-size: 0.875rem;
}

.form-status.success {
  display: block;
  background: var(--primary-50);
  border: 1px solid var(--primary-300);
  color: var(--primary-800);
}

.form-status.error {
  display: block;
  background: var(--danger-50);
  border: 1px solid #fca5a5;
  color: var(--danger-600);
}

/* Comprehensive Multi-Column Footer */
.site-footer-advanced {
  background: var(--navy-950);
  color: var(--navy-400);
  border-top: 1px solid var(--navy-800);
  padding: 3.5rem 0 2rem;
  margin-top: auto;
}

.footer-grid-advanced {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

@media (max-width: 1024px) {
  .footer-grid-advanced {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 640px) {
  .footer-grid-advanced {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.footer-col h4 {
  color: #ffffff;
  font-size: 0.9375rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -0.4rem;
  left: 0;
  width: 1.75rem;
  height: 2px;
  background: var(--primary-500);
  border-radius: var(--radius-full);
}

.footer-col p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--navy-400);
  margin-bottom: 1rem;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links-list li a {
  color: var(--navy-400);
  text-decoration: none;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.footer-links-list li a:hover {
  color: var(--gold-400);
  transform: translateX(3px);
}

.footer-privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--primary-300);
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 0.5rem;
}

.footer-bottom-bar {
  border-top: 1px solid var(--navy-800);
  padding-top: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--navy-500);
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-legal-links {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.footer-legal-links a {
  color: var(--navy-400);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-legal-links a:hover {
  color: var(--gold-400);
}