/* ============================================
   MILITARY TRANSITION GUIDE — STYLES
   ============================================ */

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

:root {
  --navy:       #042C53;
  --blue:       #185FA5;
  --blue-light: #E6F1FB;
  --blue-mid:   #B5D4F4;
  --teal:       #0F6E56;
  --teal-light: #E1F5EE;
  --green:      #3B6D11;
  --green-light:#EAF3DE;
  --amber:      #854F0B;
  --amber-light:#FAEEDA;
  --red:        #A32D2D;
  --red-light:  #FCEBEB;
  --gray-dark:  #2C2C2A;
  --gray-mid:   #5F5E5A;
  --gray-light: #F1EFE8;
  --text:       #1a1a1a;
  --text-muted: #555;
  --border:     #ddd;
  --bg:         #fff;
  --surface:    #f8f8f6;
  --radius:     10px;
  --radius-lg:  14px;
  --shadow:     0 2px 8px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background: var(--surface);
  min-height: 100vh;
}

/* ---- Site Header ---- */
.site-header {
  background: var(--navy);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header-icon {
  font-size: 22px;
  color: #B5D4F4;
}
.header-title {
  font-family: 'Barlow', sans-serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #fff;
}
.header-sub {
  font-size: 12px;
  color: #B5D4F4;
  margin-top: -2px;
}
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  font-size: 18px;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
}

/* ---- Tab Nav ---- */
.tab-nav {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 57px;
  z-index: 90;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.tab-nav::-webkit-scrollbar { display: none; }
.tab-nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  gap: 2px;
  min-width: max-content;
}
.tab-btn {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  padding: 12px 16px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.tab-btn:hover { color: var(--blue); }
.tab-btn.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

/* ---- Main Layout ---- */
.main-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

/* ---- Sections ---- */
.tab-section { display: none; }
.tab-section.active { display: block; }

/* ---- Hero ---- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 2rem;
  color: #fff;
}
.hero h1 {
  font-family: 'Barlow', sans-serif;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #fff;
}
.hero p {
  font-size: 16px;
  color: var(--blue-mid);
  max-width: 700px;
}

/* ---- Section Intro ---- */
.section-intro {
  background: var(--blue-light);
  border-left: 4px solid var(--blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1rem 1.5rem;
  margin-bottom: 2rem;
}
.section-intro p {
  color: #1a3a5c;
  font-size: 15px;
  margin: 0;
}

/* ---- Typography ---- */
h2 {
  font-family: 'Barlow', sans-serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--navy);
  margin: 2rem 0 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--blue-light);
}
h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-dark);
  margin: 1.5rem 0 0.5rem;
}
h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-dark);
  margin-bottom: 0.35rem;
}
p {
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Cards ---- */
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}
.card p { margin-bottom: 0; }
.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-dark);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.card-success { border-left: 4px solid var(--teal); }
.card-warn    { border-left: 4px solid #c07a00; }
.card-danger-light { border-left: 4px solid var(--red); }
.card-success-light { border-left: 4px solid var(--green); }

.danger-title { color: var(--red) !important; }
.success-title { color: var(--green) !important; }

/* ---- Two Column ---- */
.two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

/* ---- Stat Grid ---- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  text-align: center;
  box-shadow: var(--shadow);
}
.stat-num {
  font-family: 'Barlow', sans-serif;
  font-size: 30px;
  font-weight: 700;
  color: var(--blue);
  line-height: 1.1;
}
.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ---- Badges ---- */
.badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 20px;
  display: inline-block;
  white-space: nowrap;
}
.badge-blue  { background: var(--blue-light); color: var(--blue); }
.badge-green { background: var(--green-light); color: var(--green); }
.badge-teal  { background: var(--teal-light); color: var(--teal); }
.badge-amber { background: var(--amber-light); color: var(--amber); }

/* ---- Alert Boxes ---- */
.warning-box, .danger-box, .success-box, .info-box, .crisis-box {
  border-radius: var(--radius);
  padding: 0.9rem 1.25rem;
  margin: 1rem 0;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.warning-box { background: var(--amber-light); border-left: 4px solid #c07a00; }
.warning-box p { color: var(--amber); margin: 0; font-size: 14px; }
.danger-box  { background: var(--red-light); border-left: 4px solid var(--red); }
.danger-box p { color: var(--red); margin: 0; font-size: 14px; }
.success-box { background: var(--green-light); border-left: 4px solid var(--green); }
.success-box p { color: var(--green); margin: 0; font-size: 14px; }
.info-box    { background: var(--blue-light); border-left: 4px solid var(--blue); }
.info-box p  { color: #1a3a5c; margin: 0; font-size: 14px; }
.crisis-box  {
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 15px;
  text-align: center;
  display: block;
  margin: 1.5rem 0;
}
.crisis-box a { color: var(--blue-mid); }
.box-icon {
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ---- Timeline ---- */
.timeline { position: relative; padding-left: 0; margin-bottom: 1rem; }
.timeline-item {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
  align-items: flex-start;
}
.timeline-dot {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  font-family: 'Barlow', sans-serif;
  flex-shrink: 0;
  box-shadow: var(--shadow);
}
.timeline-content {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
}
.timeline-content h3 { margin-top: 0; }

/* ---- Checklists ---- */
.checklist {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0;
}
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px solid #f0f0ee;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}
.checklist li:last-child { border-bottom: none; }
.check-icon {
  color: var(--teal);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
  font-size: 14px;
}
.check-icon.urgent { color: #B5A200; }

/* ---- Interactive Checklist ---- */
.interactive-checklist {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}
.interactive-checklist li {
  border-bottom: 1px solid #f0f0ee;
  padding: 0;
}
.interactive-checklist li:last-child { border-bottom: none; }
.interactive-checklist label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 12px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
  border-radius: var(--radius);
  transition: background 0.1s;
}
.interactive-checklist label:hover { background: var(--surface); }
.interactive-checklist input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 1px;
  accent-color: var(--blue);
  cursor: pointer;
}
.interactive-checklist input[type="checkbox"]:checked + span,
.interactive-checklist label.checked {
  text-decoration: line-through;
  opacity: 0.55;
}
.interactive-checklist li.done label {
  text-decoration: line-through;
  opacity: 0.5;
}

/* ---- Plain List ---- */
.plain-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
}
.plain-list li {
  padding: 5px 0 5px 1.2em;
  font-size: 14px;
  color: var(--text-muted);
  border-bottom: 1px solid #f0f0ee;
  position: relative;
}
.plain-list li:last-child { border-bottom: none; }
.plain-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 600;
}

/* ---- Translation Table ---- */
.translate-header {
  display: grid;
  grid-template-columns: 1fr 32px 1fr;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0 0 10px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}
.translate-row {
  display: grid;
  grid-template-columns: 1fr 32px 1fr;
  gap: 8px;
  align-items: start;
  padding: 9px 0;
  border-bottom: 1px solid #f4f4f2;
  font-size: 13.5px;
}
.translate-row:last-child { border-bottom: none; }
.mil-term { color: var(--text-muted); }
.arrow-cell { color: var(--blue); font-weight: 700; text-align: center; padding-top: 1px; }
.civ-term { color: var(--blue); font-weight: 600; }

/* ---- Subtab Nav ---- */
.subtab-nav {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.subtab-btn {
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
  font-family: 'Inter', sans-serif;
}
.subtab-btn:hover { background: var(--surface); color: var(--blue); border-color: var(--blue); }
.subtab-btn.active {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}
.subtab-content { display: none; }
.subtab-content.active { display: block; }

/* ---- Mistake Cards ---- */
.mistake-card {
  border-left: 4px solid var(--red);
  background: var(--surface);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
}
.mistake-card h4 { color: var(--gray-dark); margin-bottom: 4px; }
.mistake-card p { color: var(--text-muted); margin: 0; font-size: 14px; }

/* ---- Resource List ---- */
.resource-list { padding: 0.5rem 1.5rem; }
.resource-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  gap: 8px;
}
.resource-row:last-child { border-bottom: none; }
.resource-row a { font-size: 14px; font-weight: 500; }

/* ---- Benefit Grid ---- */
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
  margin-bottom: 1.5rem;
}
.benefit-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  font-size: 13.5px;
  color: var(--text-muted);
  box-shadow: var(--shadow);
  line-height: 1.5;
}
.benefit-item strong { color: var(--gray-dark); }

/* ---- Simple Table ---- */
.simple-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin-top: 0.5rem;
}
.simple-table td {
  padding: 7px 0;
  border-bottom: 1px solid #f0f0ee;
  color: var(--text-muted);
  vertical-align: top;
}
.simple-table tr:last-child td { border-bottom: none; }
.simple-table td:first-child {
  color: var(--blue);
  font-weight: 600;
  width: 80px;
  white-space: nowrap;
}

/* ---- Footer ---- */
.site-footer {
  background: var(--navy);
  color: var(--blue-mid);
  padding: 2rem 1.5rem;
  margin-top: 3rem;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}
.footer-inner p {
  color: var(--blue-mid);
  font-size: 13px;
  margin-bottom: 1rem;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.footer-links a {
  color: #E6F1FB;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.15s;
}
.footer-links a:hover { color: #fff; text-decoration: underline; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .mobile-menu-btn { display: block; }
  .tab-nav { top: 55px; }
  .tab-nav-inner { padding: 0 0.5rem; }
  .tab-btn { padding: 10px 12px; font-size: 12px; }
  .main-content { padding: 1.25rem 1rem 2rem; }
  .hero { padding: 1.5rem; }
  .hero h1 { font-size: 22px; }
  .two-col { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .translate-row { grid-template-columns: 1fr 20px 1fr; font-size: 12.5px; }
  .translate-header { grid-template-columns: 1fr 20px 1fr; }
  .timeline-item { flex-direction: column; gap: 0.5rem; }
  .timeline-dot { width: 40px; height: 40px; font-size: 11px; }
  .benefit-grid { grid-template-columns: 1fr; }
  .resource-row { flex-direction: column; align-items: flex-start; }
  .subtab-nav { gap: 4px; }
  .subtab-btn { font-size: 12px; padding: 5px 12px; }
}

@media (max-width: 480px) {
  .header-title { font-size: 15px; }
  .header-sub { display: none; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  h2 { font-size: 19px; }
}

/* ---- Checklist Progress Bar ---- */
.checklist-progress {
  margin-bottom: 0.75rem;
}
.progress-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.progress-bar-track {
  width: 100%;
  height: 6px;
  background: var(--surface);
  border-radius: 3px;
  border: 1px solid var(--border);
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--blue);
  transition: width 0.3s ease, background 0.3s ease;
}

/* ============================================
   PRINT
   ============================================ */
@media print {
  .site-header, .tab-nav, .site-footer { display: none; }
  .tab-section { display: block !important; page-break-before: always; }
  .tab-section:first-child { page-break-before: avoid; }
  .two-col { grid-template-columns: 1fr 1fr; }
  .hero { background: var(--navy) !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}