/* ================================================================
   TRIDENT BUSINESS SERVICES - Professional CSS Stylesheet
   Government Contractor Website (SDVOSB)
   ================================================================ */

/* ================================================================
   1. RESET & BASE STYLES
   ================================================================ */

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

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: #2C3E50;
  background-color: #FFFFFF;
  overflow-x: hidden;
}

/* Headings with serif font for professional aesthetic */
h1, h2, h3, h4, h5, h6 {
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 700;
  line-height: 1.3;
  color: #1B3A5C;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 1.8rem;
}

h3 {
  font-size: 1.3rem;
}

h4 {
  font-size: 1.1rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: #2E86C1;
  text-decoration: none;
  transition: color 0.3s ease, border-color 0.3s ease;
}

a:hover {
  color: #1B3A5C;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ================================================================
   2. CONTAINER & LAYOUT UTILITIES
   ================================================================ */

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}

.container-large {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}

.section-light {
  background-color: #F8F9FA;
}

.section-white {
  background-color: #FFFFFF;
}

.text-center {
  text-align: center;
}

.text-muted {
  color: #64748B;
}

.divider {
  height: 3px;
  background: linear-gradient(to right, #2E86C1, #1B3A5C);
  width: 60px;
  margin: 1.5rem auto;
}

.divider-left {
  width: 60px;
  margin: 1.5rem 0;
}

/* ================================================================
   3. HEADER & NAVIGATION
   ================================================================ */

header {
  background-color: #FFFFFF;
  border-bottom: 1px solid #E2E8F0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1300px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.logo svg {
  width: 50px;
  height: 50px;
}

.logo-text {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: #1B3A5C;
  letter-spacing: 0.5px;
}

.logo-subtext {
  font-size: 0.65rem;
  color: #64748B;
  font-style: italic;
  margin-top: 0.1rem;
}

nav {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

nav a {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #2C3E50;
  font-weight: 600;
  position: relative;
  padding-bottom: 0.5rem;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background-color: #2E86C1;
  transition: width 0.3s ease;
}

nav a:hover::after {
  width: 100%;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.5rem;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background-color: #1B3A5C;
  border-radius: 2px;
  transition: all 0.3s ease;
}

#menu-checkbox {
  display: none;
}

/* Responsive Navigation */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  #menu-checkbox:checked ~ .menu-toggle span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
  }

  #menu-checkbox:checked ~ .menu-toggle span:nth-child(2) {
    opacity: 0;
  }

  #menu-checkbox:checked ~ .menu-toggle span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
  }

  #menu-checkbox:checked ~ nav {
    display: flex;
  }

  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: #FFFFFF;
    border-bottom: 1px solid #E2E8F0;
    padding: 1.5rem 2rem;
    gap: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  }

  nav a {
    padding: 0.75rem 0;
    border-bottom: 1px solid #E2E8F0;
  }

  nav a::after {
    bottom: 0;
    height: 2px;
  }

  .header-content {
    flex-wrap: wrap;
  }
}

@media (max-width: 600px) {
  .logo-text {
    font-size: 0.95rem;
  }

  nav {
    width: 100%;
    order: 3;
  }

  .header-content {
    padding: 0.75rem 1rem;
  }
}

/* ================================================================
   4. HERO SECTIONS
   ================================================================ */

.hero {
  background: linear-gradient(135deg, #1B3A5C 0%, #0F2640 100%);
  color: #FFFFFF;
  padding: 120px 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: -100px;
  width: 400px;
  height: 400px;
  background: rgba(46, 134, 193, 0.1);
  border-radius: 50%;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: -50px;
  width: 300px;
  height: 300px;
  background: rgba(46, 134, 193, 0.08);
  border-radius: 50%;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  animation: fadeInUp 0.8s ease-out;
}

.hero h1 {
  color: #FFFFFF;
  font-size: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.hero p {
  font-size: 1.25rem;
  line-height: 1.8;
  margin-bottom: 2rem;
  color: #EBF5FB;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}

@media (max-width: 768px) {
  .hero {
    padding: 80px 1.5rem;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  .hero-cta {
    flex-direction: column;
    gap: 1rem;
  }

  .hero-cta a {
    width: 100%;
  }
}

/* ================================================================
   5. BUTTONS
   ================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background-color: #2E86C1;
  color: #FFFFFF;
  border-color: #2E86C1;
}

.btn-primary:hover {
  background-color: #1B3A5C;
  border-color: #1B3A5C;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(27, 58, 92, 0.3);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: #FFFFFF;
  color: #1B3A5C;
  border-color: #1B3A5C;
}

.btn-secondary:hover {
  background-color: #F8F9FA;
  color: #2E86C1;
  border-color: #2E86C1;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(46, 134, 193, 0.2);
}

.btn-secondary:active {
  transform: translateY(0);
}

.btn-outline {
  background-color: transparent;
  color: #2E86C1;
  border-color: #2E86C1;
}

.btn-outline:hover {
  background-color: #2E86C1;
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-download {
  display: inline-flex;
  gap: 0.75rem;
  align-items: center;
}

.btn-download::before {
  content: '⬇';
  font-size: 1.1rem;
}

.btn-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

@media (max-width: 600px) {
  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.85rem;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn-group .btn {
    width: 100%;
  }
}

/* ================================================================
   6. CONTENT SECTIONS
   ================================================================ */

.section {
  padding: 80px 2rem;
}

.section-light {
  background-color: #F8F9FA;
}

.section-white {
  background-color: #FFFFFF;
}

.section-intro {
  text-align: center;
  margin-bottom: 3rem;
}

.section-intro h2 {
  margin-bottom: 1rem;
}

.section-intro p {
  font-size: 1.1rem;
  color: #64748B;
  max-width: 700px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .section {
    padding: 60px 1.5rem;
  }

  .section-intro h2 {
    font-size: 1.4rem;
  }
}

/* ================================================================
   7. CARD GRIDS & CAPABILITY CARDS
   ================================================================ */

.grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

.card {
  background-color: #FFFFFF;
  border: 1px solid #E2E8F0;
  border-left: 4px solid #2E86C1;
  padding: 2rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
  border-left-color: #1B3A5C;
}

.card h3 {
  margin-top: 0;
  color: #1B3A5C;
  margin-bottom: 0.75rem;
}

.card p {
  color: #64748B;
  margin-bottom: 1rem;
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: inline-block;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #2E86C1;
  font-weight: 600;
  margin-top: 1rem;
}

.card-link::after {
  content: '→';
  transition: transform 0.3s ease;
}

.card:hover .card-link::after {
  transform: translateX(4px);
}

/* ================================================================
   8. INFO TABLES
   ================================================================ */

table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background-color: #FFFFFF;
  border: 1px solid #E2E8F0;
}

thead {
  background-color: #1B3A5C;
  color: #FFFFFF;
}

th {
  padding: 1rem 1.5rem;
  text-align: left;
  font-weight: 700;
  font-family: Georgia, 'Times New Roman', serif;
  border-bottom: 2px solid #0F2640;
}

td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #E2E8F0;
}

tbody tr:nth-child(even) {
  background-color: #F8F9FA;
}

tbody tr:hover {
  background-color: #EBF5FB;
}

@media (max-width: 768px) {
  table {
    font-size: 0.9rem;
  }

  th, td {
    padding: 0.75rem;
  }
}

/* ================================================================
   9. TRUST SIGNALS & CREDENTIAL BADGES
   ================================================================ */

.badge-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin: 2rem 0;
  padding: 2rem;
  background-color: #F8F9FA;
  border-radius: 4px;
}

.badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  background-color: #FFFFFF;
  border: 2px solid #E2E8F0;
  border-radius: 6px;
  text-align: center;
  transition: all 0.3s ease;
  min-width: 140px;
}

.badge:hover {
  border-color: #2E86C1;
  box-shadow: 0 4px 12px rgba(46, 134, 193, 0.15);
}

.badge-icon {
  font-size: 2rem;
  display: block;
}

.badge-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: #2C3E50;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge-subtext {
  font-size: 0.7rem;
  color: #64748B;
  margin-top: 0.25rem;
}

@media (max-width: 768px) {
  .badge-container {
    gap: 1rem;
    padding: 1.5rem;
  }

  .badge {
    min-width: 120px;
    padding: 0.75rem 1rem;
  }

  .badge-text {
    font-size: 0.75rem;
  }
}

/* ================================================================
   10. TEAM BIOS
   ================================================================ */

.team-member {
  display: flex;
  gap: 2rem;
  margin-bottom: 3rem;
  align-items: flex-start;
}

.team-member.reverse {
  flex-direction: row-reverse;
}

.team-member-image {
  flex-shrink: 0;
  width: 200px;
  height: 250px;
  border-radius: 4px;
  overflow: hidden;
  border: 3px solid #E2E8F0;
}

.team-member-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-member-bio {
  flex-grow: 1;
  padding: 1rem 0;
}

.team-member-bio h3 {
  margin-top: 0;
  color: #1B3A5C;
}

.team-member-title {
  font-size: 1rem;
  color: #2E86C1;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 1rem;
}

.team-member-bio p {
  color: #64748B;
  margin-bottom: 0.75rem;
}

@media (max-width: 768px) {
  .team-member {
    flex-direction: column;
    gap: 1.5rem;
  }

  .team-member.reverse {
    flex-direction: column;
  }

  .team-member-image {
    width: 100%;
    height: 300px;
  }
}

/* ================================================================
   11. CONTACT FORM
   ================================================================ */

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background-color: #FFFFFF;
  padding: 2.5rem;
  border: 1px solid #E2E8F0;
  border-radius: 4px;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: #2C3E50;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem;
  border: 1px solid #E2E8F0;
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #2E86C1;
  box-shadow: 0 0 0 3px rgba(46, 134, 193, 0.1);
  background-color: #FFFFFF;
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
  line-height: 1.5;
}

.form-group select {
  cursor: pointer;
}

.form-group.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group.form-row .form-group {
  margin-bottom: 0;
}

.contact-form .btn {
  width: 100%;
  margin-top: 1rem;
}

@media (max-width: 600px) {
  .contact-form {
    padding: 1.5rem;
  }

  .form-group.form-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* ================================================================
   12. FOOTER
   ================================================================ */

footer {
  background-color: #1B3A5C;
  color: #FFFFFF;
  padding: 3rem 2rem 1.5rem;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1300px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: #FFFFFF;
  margin-bottom: 1rem;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-section p {
  color: #D1E0E8;
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.footer-section a {
  display: block;
  color: #D1E0E8;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.footer-section a:hover {
  color: #2E86C1;
}

.footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  margin-top: 1.5rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.9rem;
  color: #D1E0E8;
}

.footer-copyright {
  flex: 1;
}

.footer-statement {
  flex: 1;
  text-align: center;
  font-style: italic;
  color: #D1E0E8;
}

@media (max-width: 1024px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  footer {
    padding: 2rem 1.5rem 1rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

  .footer-statement {
    text-align: center;
  }
}

/* ================================================================
   13. PAGE-SPECIFIC STYLES
   ================================================================ */

/* Past Performance Cards */
.past-performance-card {
  background-color: #FFFFFF;
  border-left: 4px solid #2E86C1;
  padding: 2rem;
  margin-bottom: 1.5rem;
  border-radius: 4px;
  border: 1px solid #E2E8F0;
  transition: all 0.3s ease;
}

.past-performance-card:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  border-left-color: #1B3A5C;
}

.pp-title {
  color: #1B3A5C;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pp-meta {
  display: flex;
  gap: 2rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  font-size: 0.95rem;
}

.pp-meta-item {
  display: flex;
  flex-direction: column;
}

.pp-meta-label {
  color: #64748B;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.pp-meta-value {
  color: #2C3E50;
  font-weight: 600;
}

.pp-description {
  color: #64748B;
  line-height: 1.7;
}

/* NAICS Code List */
.naics-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 2rem 0;
}

.naics-item {
  padding: 1rem;
  background-color: #F8F9FA;
  border-left: 3px solid #2E86C1;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
}

.naics-code {
  font-weight: 700;
  color: #1B3A5C;
}

.naics-description {
  color: #64748B;
  font-family: inherit;
  margin-top: 0.25rem;
}

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

/* Blockquote for positioning statements */
blockquote {
  border-left: 4px solid #2E86C1;
  padding-left: 1.5rem;
  margin: 2rem 0;
  color: #2C3E50;
  font-style: italic;
  background-color: #EBF5FB;
  padding: 1.5rem;
  padding-left: 1.5rem;
  border-radius: 4px;
}

blockquote p {
  margin-bottom: 0;
}

blockquote cite {
  display: block;
  margin-top: 1rem;
  font-style: normal;
  color: #64748B;
  font-size: 0.9rem;
}

/* ================================================================
   14. TWO-COLUMN LAYOUT
   ================================================================ */

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.two-column.reverse {
  direction: rtl;
}

.two-column.reverse > * {
  direction: ltr;
}

.two-column-text {
  padding: 1rem 0;
}

.two-column-image {
  width: 100%;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid #E2E8F0;
}

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

  .two-column.reverse {
    direction: ltr;
  }
}

/* ================================================================
   15. ANIMATIONS
   ================================================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scroll-triggered animations */
.fade-in {
  animation: fadeInUp 0.6s ease-out forwards;
  opacity: 0;
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out forwards;
  opacity: 0;
}

.slide-in-right {
  animation: slideInRight 0.6s ease-out forwards;
  opacity: 0;
}

/* ================================================================
   16. RESPONSIVE IMAGES & MEDIA
   ================================================================ */

.responsive-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
}

.image-wrapper {
  position: relative;
  width: 100%;
  border-radius: 4px;
  overflow: hidden;
}

.image-wrapper img {
  display: block;
  width: 100%;
  height: auto;
}

/* ================================================================
   17. UTILITY CLASSES - SPACING
   ================================================================ */

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.pt-1 { padding-top: 0.5rem; }
.pt-2 { padding-top: 1rem; }
.pt-3 { padding-top: 1.5rem; }
.pt-4 { padding-top: 2rem; }

.pb-1 { padding-bottom: 0.5rem; }
.pb-2 { padding-bottom: 1rem; }
.pb-3 { padding-bottom: 1.5rem; }
.pb-4 { padding-bottom: 2rem; }

/* ================================================================
   18. UTILITY CLASSES - TEXT
   ================================================================ */

.text-navy { color: #1B3A5C; }
.text-blue { color: #2E86C1; }
.text-dark { color: #2C3E50; }
.text-muted { color: #64748B; }
.text-light { color: #D1E0E8; }

.text-small { font-size: 0.85rem; }
.text-large { font-size: 1.25rem; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-normal { font-weight: 400; }

.uppercase { text-transform: uppercase; }
.italic { font-style: italic; }

/* ================================================================
   19. PRINT STYLES
   ================================================================ */

@media print {
  header,
  footer,
  .no-print {
    display: none;
  }

  body {
    background-color: #FFFFFF;
  }

  .container,
  .container-large {
    max-width: 100%;
  }

  a {
    text-decoration: none;
    color: #1B3A5C;
  }

  .page-break {
    page-break-after: always;
  }
}

/* ================================================================
   20. ACCESSIBILITY
   ================================================================ */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus styles for keyboard navigation */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid #2E86C1;
  outline-offset: 2px;
}

/* ================================================================
   21. LOADING & STATES
   ================================================================ */

.loading {
  opacity: 0.6;
  pointer-events: none;
}

.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ================================================================
   22. MOBILE-FIRST RESPONSIVE DESIGN
   ================================================================ */

/* Extra small devices (mobile, up to 480px) */
@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  h1 {
    font-size: 1.6rem;
  }

  h2 {
    font-size: 1.3rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  .container {
    padding: 0 1rem;
  }

  .section {
    padding: 40px 1rem;
  }

  .card {
    padding: 1.5rem;
  }

  nav {
    gap: 1rem;
  }

  nav a {
    font-size: 0.8rem;
  }
}

/* Small devices (portrait tablets, 481px to 768px) */
@media (max-width: 768px) {
  /* Handled throughout the file */
}

/* Medium devices (landscape tablets, 769px to 1024px) */
@media (max-width: 1024px) {
  /* Handled throughout the file */
}

/* Large devices (desktops, 1025px and up) */
@media (min-width: 1025px) {
  /* Default desktop styles already defined */
}