/* ==========================================================================
   HitungPintar.my.id - Main Stylesheet
   Modern, Clean, Lightweight & Fully Responsive
   Standard Google AdSense & Cloudflare Pages Ready
   ========================================================================== */

/* --- CSS Variables / Color Palette --- */
:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-border: #bfdbfe;

  --secondary: #0f172a;
  --secondary-muted: #475569;
  --surface: #ffffff;
  --background: #f8fafc;
  --card-bg: #ffffff;
  --border-color: #e2e8f0;
  --border-focus: #3b82f6;

  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  --success: #16a34a;
  --success-bg: #dcfce7;
  --success-border: #86efac;

  --warning: #d97706;
  --warning-bg: #fef3c7;
  --warning-border: #fcd34d;

  --danger: #dc2626;
  --danger-bg: #fee2e2;
  --danger-border: #fca5a5;

  --purple: #7c3aed;
  --purple-bg: #f3e8ff;
  --purple-border: #d8b4fe;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --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 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.06);

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--background);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

button, input, select, textarea {
  font: inherit;
}

/* --- Layout Container --- */
.container {
  width: 100%;
  max-width: 1140px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* --- Navigation Header --- */
.site-header {
  background-color: var(--surface);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  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: 70px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--secondary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand-logo:hover {
  text-decoration: none;
  color: var(--primary);
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), #3b82f6);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-weight: 900;
  font-size: 1.1rem;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.3);
}

.brand-tag {
  color: var(--primary);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  align-items: center;
}

.nav-link {
  color: var(--secondary-muted);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background-color: var(--primary-light);
  text-decoration: none;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  cursor: pointer;
  color: var(--secondary);
}

.mobile-toggle svg {
  width: 24px;
  height: 24px;
}

/* --- Hero Section --- */
.hero-section {
  padding: 2.75rem 0 1.75rem;
  text-align: center;
  background: linear-gradient(180deg, #ffffff 0%, var(--background) 100%);
  border-bottom: 1px solid var(--border-color);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--primary-light);
  color: var(--primary);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 600;
  margin-bottom: 1rem;
  border: 1px solid var(--primary-border);
}

.hero-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--secondary);
  margin-bottom: 0.85rem;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--secondary-muted);
  max-width: 760px;
  margin: 0 auto;
}

/* --- AdSense Containers (Controlled via 'adsense-dormant') --- */
.adsense-dormant {
  display: none !important;
}

.adsense-container {
  margin: 1.75rem auto;
  max-width: 970px;
  width: 100%;
  display: flex;
  justify-content: center;
}

.adsense-placeholder {
  width: 100%;
  min-height: 90px;
  background-color: #f1f5f9;
  border: 1px dashed #cbd5e1;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  text-align: center;
  color: var(--text-light);
  font-size: 0.825rem;
  position: relative;
  overflow: hidden;
}

.adsense-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.adsense-placeholder code {
  color: #64748b;
  font-family: monospace;
  font-size: 0.78rem;
}

/* --- Multi-Tool Navigation (Category Filter & Tab Switcher) --- */
.calculator-section {
  padding: 2rem 0;
}

.category-filter-wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.cat-filter-btn {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 0.4rem 0.9rem;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--secondary-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cat-filter-btn:hover, .cat-filter-btn.active {
  background-color: var(--secondary);
  color: #ffffff;
  border-color: var(--secondary);
}

.tools-nav-container {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 0.75rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tools-nav-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
  min-width: 680px;
}

.tab-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.75rem 0.6rem;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--secondary-muted);
  background-color: #f8fafc;
  border: 1px solid #f1f5f9;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  line-height: 1.3;
}

.tab-btn .tab-icon {
  font-size: 1.35rem;
}

.tab-btn:hover {
  background-color: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary-border);
}

.tab-btn.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.3);
}

.tab-btn.active .tab-icon {
  transform: scale(1.1);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Calculator Card Grid --- */
.calc-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 1.75rem;
  align-items: start;
}

.calc-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* --- Form Controls --- */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.form-label .required {
  color: var(--danger);
}

.form-input, .form-select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  font-size: 0.95rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: #ffffff;
  color: var(--text-main);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus, .form-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.input-hint {
  font-size: 0.775rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.preset-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.chip-btn {
  background-color: #f1f5f9;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--secondary-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

/* Checkbox Items */
.checkbox-card {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 0.65rem;
  background-color: #fafafa;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.checkbox-card:hover {
  background-color: var(--primary-light);
  border-color: var(--primary-border);
}

.checkbox-card input[type="checkbox"],
.checkbox-card input[type="radio"] {
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.15rem;
  accent-color: var(--primary);
  cursor: pointer;
}

.checkbox-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
}

.checkbox-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.1rem;
}

/* --- Action Buttons --- */
.calc-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background-color: #f1f5f9;
  color: var(--secondary-muted);
  border-color: #cbd5e1;
}

.btn-secondary:hover {
  background-color: #e2e8f0;
  color: var(--secondary);
}

.btn-block {
  width: 100%;
}

/* --- Calculation Result Box --- */
.result-card {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.result-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
}

.result-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--secondary);
}

.result-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.75rem;
  background-color: #ffffff;
  border: 1px solid #f1f5f9;
  border-radius: var(--radius-md);
}

.result-row.highlight {
  background-color: var(--primary-light);
  border-color: var(--primary-border);
}

.result-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.result-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--secondary);
  text-align: right;
}

.result-row.highlight .result-value {
  font-size: 1.25rem;
  color: var(--primary);
}

/* Dynamic Profit / Status Badges */
.profit-status-card {
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.badge-profit-high {
  background-color: var(--success-bg);
  border-color: var(--success-border);
  color: var(--success);
}

.badge-profit-mid {
  background-color: var(--warning-bg);
  border-color: var(--warning-border);
  color: var(--warning);
}

.badge-profit-low {
  background-color: var(--danger-bg);
  border-color: var(--danger-border);
  color: var(--danger);
}

.badge-profit-purple {
  background-color: var(--purple-bg);
  border-color: var(--purple-border);
  color: var(--purple);
}

.badge-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.badge-icon svg {
  width: 28px;
  height: 28px;
}

.badge-text-title {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.2;
}

.badge-text-sub {
  font-size: 0.775rem;
  opacity: 0.9;
  margin-top: 0.2rem;
}

/* Milestone Step Box (for Rp 1 Miliar Calculator) */
.milestone-container {
  background-color: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.85rem;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.milestone-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--secondary-muted);
}

.milestone-item strong {
  color: var(--secondary);
}

/* Result Copy Action */
.result-footer-actions {
  margin-top: auto;
  padding-top: 1rem;
}

/* --- Donation & Tip Widget --- */
.donation-card {
  background: linear-gradient(135deg, #fef9c3 0%, #fef08a 100%);
  border: 1px solid #fde047;
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin: 2.5rem 0 1.5rem;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.donation-content {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.donation-icon-wrapper {
  width: 54px;
  height: 54px;
  background-color: #ffffff;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.donation-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #854d0e;
  margin-bottom: 0.25rem;
}

.donation-desc {
  font-size: 0.9rem;
  color: #713f12;
  line-height: 1.4;
}

.btn-coffee {
  background-color: #ca8a04;
  color: #ffffff;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 4px 6px -1px rgba(202, 138, 4, 0.3);
}

.btn-coffee:hover {
  background-color: #a16207;
}

/* --- Modal Popup (Donation / Tip) --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px);
  transition: transform var(--transition-normal);
  position: relative;
}

.modal-overlay.open .modal-card {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--secondary);
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close-btn:hover {
  color: var(--secondary);
  background-color: #f1f5f9;
}

.modal-body {
  padding: 1.5rem;
}

.modal-nav {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.25rem;
  gap: 1rem;
}

.modal-nav-btn {
  background: none;
  border: none;
  padding: 0.5rem 0.25rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.modal-nav-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.modal-tab-content {
  display: none;
  text-align: center;
}

.modal-tab-content.active {
  display: block;
}

.qris-frame {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: inline-block;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
}

.qris-svg {
  width: 220px;
  height: 220px;
  margin: 0 auto;
}

.qris-guide {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 0.5rem;
}

.donation-platforms {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.platform-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  color: #ffffff;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.platform-btn:hover {
  opacity: 0.92;
  text-decoration: none;
}

.btn-sociabuzz { background-color: #3b82f6; }
.btn-saweria { background-color: #f97316; }
.btn-buymeacoffee { background-color: #ffdd00; color: #000000; }

/* --- In-Depth SEO Guide Section (AdSense Compliance - Contextual Dynamic) --- */
.seo-articles-section {
  padding: 3rem 0;
  background-color: #ffffff;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.article-tab-content {
  display: none;
}

.article-tab-content.active {
  display: block;
  animation: fadeIn 0.35s ease;
}

.section-heading-wrap {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-badge {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.section-main-title {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--secondary);
  margin-top: 0.35rem;
}

.article-card {
  background-color: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-sm);
  line-height: 1.75;
}

.article-header {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid #f1f5f9;
  padding-bottom: 1rem;
}

.article-meta {
  font-size: 0.8rem;
  color: var(--text-light);
  display: flex;
  gap: 1rem;
  margin-bottom: 0.4rem;
}

.article-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1.35;
}

.article-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--secondary);
  margin: 1.5rem 0 0.5rem;
}

.article-body p {
  margin-bottom: 1rem;
  color: #334155;
  font-size: 0.95rem;
}

.article-body ul, .article-body ol {
  margin-left: 1.5rem;
  margin-bottom: 1.25rem;
  color: #334155;
  font-size: 0.95rem;
}

.article-body li {
  margin-bottom: 0.4rem;
}

.formula-box {
  background-color: #f8fafc;
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
  font-family: monospace;
  font-size: 0.95rem;
  color: var(--secondary);
}

/* --- Static Pages Styling (About, Contact, Privacy, Terms) --- */
.page-header {
  padding: 2.5rem 0 1.5rem;
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-color);
  text-align: center;
}

.page-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--secondary);
  margin-bottom: 0.5rem;
}

.page-lead {
  font-size: 1.05rem;
  color: var(--secondary-muted);
  max-width: 650px;
  margin: 0 auto;
}

.content-page-section {
  padding: 3rem 0;
}

.content-page-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  max-width: 860px;
  margin: 0 auto;
}

.content-page-card h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--secondary);
  margin: 1.75rem 0 0.75rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid #f1f5f9;
}

.content-page-card h2:first-child {
  margin-top: 0;
}

.content-page-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--secondary);
  margin: 1.25rem 0 0.5rem;
}

.content-page-card p {
  margin-bottom: 1rem;
  color: #334155;
  line-height: 1.7;
}

.content-page-card ul, .content-page-card ol {
  margin-left: 1.5rem;
  margin-bottom: 1.25rem;
  color: #334155;
  line-height: 1.7;
}

.content-page-card li {
  margin-bottom: 0.5rem;
}

/* Contact Grid */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

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

.contact-icon {
  width: 40px;
  height: 40px;
  background-color: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 20px;
  height: 20px;
}

.contact-item-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--secondary);
}

.contact-item-desc {
  font-size: 0.9rem;
  color: var(--secondary-muted);
}

.social-links {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.social-btn {
  width: 40px;
  height: 40px;
  background-color: #f1f5f9;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary-muted);
  transition: all var(--transition-fast);
}

.social-btn:hover {
  background-color: var(--primary);
  color: #ffffff;
  text-decoration: none;
}

.social-btn svg {
  width: 20px;
  height: 20px;
}

/* --- Cookie Consent Banner --- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: #0f172a;
  color: #f8fafc;
  padding: 1.1rem 0;
  z-index: 999;
  box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.15);
  display: none;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

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

.cookie-text {
  font-size: 0.85rem;
  line-height: 1.5;
  color: #cbd5e1;
}

.cookie-text a {
  color: #93c5fd;
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

.btn-cookie-accept {
  background-color: var(--primary);
  color: #ffffff;
  border: none;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-cookie-accept:hover {
  background-color: var(--primary-hover);
}

.btn-cookie-close {
  background: transparent;
  color: #94a3b8;
  border: 1px solid #334155;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  cursor: pointer;
}

.btn-cookie-close:hover {
  color: #ffffff;
  border-color: #64748b;
}

/* --- Toast Feedback --- */
.toast-notice {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  background-color: #0f172a;
  color: #ffffff;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  font-weight: 500;
  z-index: 2000;
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition: all 0.25s ease;
}

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

.toast-notice svg {
  width: 20px;
  height: 20px;
  color: var(--success);
}

/* --- Site Footer --- */
.site-footer {
  background-color: #0f172a;
  color: #cbd5e1;
  padding: 3.5rem 0 1.5rem;
  margin-top: auto;
  border-top: 1px solid #1e293b;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.footer-brand .brand-logo {
  color: #ffffff;
  margin-bottom: 1rem;
}

.footer-brand-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: #94a3b8;
  max-width: 380px;
}

.footer-col-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

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

.footer-links a {
  color: #94a3b8;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.825rem;
  color: #64748b;
}

.footer-disclaimer-note {
  font-size: 0.775rem;
  color: #64748b;
  margin-top: 0.5rem;
  max-width: 800px;
  line-height: 1.5;
}

/* --- Responsive Media Queries --- */
@media (max-width: 992px) {
  .tools-nav-grid {
    grid-template-columns: repeat(3, 1fr);
    min-width: 0;
  }
}

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .tools-nav-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .mobile-toggle {
    display: block;
  }

  .nav-menu {
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--surface);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 1.25rem 1.5rem;
    gap: 0.75rem;
    box-shadow: var(--shadow-lg);
    display: none;
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-link {
    width: 100%;
    padding: 0.6rem 0.75rem;
  }

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

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .donation-card {
    flex-direction: column;
    text-align: center;
  }

  .donation-content {
    flex-direction: column;
  }

  .btn-coffee {
    width: 100%;
  }

  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .footer-brand {
    grid-column: span 1;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

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

  .content-page-card {
    padding: 1.5rem;
  }
}