/* ============================================================================
   Component Styles
   Buttons, navigation, cards, footer, common UI components
   ============================================================================ */

/* ---- Buttons ---- */
button,
.btn,
input[type="button"],
input[type="submit"],
input[type="reset"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  min-width: var(--size-touch-target);
  min-height: var(--size-touch-target);
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: var(--border-radius-md);
  background-color: var(--color-primary);
  color: white;
  transition: all var(--transition-duration) var(--transition-timing);
}

button:hover,
.btn:hover,
input[type="button"]:hover,
input[type="submit"]:hover,
input[type="reset"]:hover {
  background-color: #003d99;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 82, 204, 0.3);
}

button:active,
.btn:active,
input[type="button"]:active,
input[type="submit"]:active,
input[type="reset"]:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(0, 82, 204, 0.2);
}

button:disabled,
.btn:disabled,
input[type="button"]:disabled,
input[type="submit"]:disabled,
input[type="reset"]:disabled {
  background-color: var(--color-secondary);
  color: var(--color-text-light);
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
}

/* Secondary button variant */
.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background-color: #555;
  color: white;
}

/* Ghost button variant (transparent with border) */
.btn-ghost {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-ghost:hover {
  background-color: var(--color-primary);
  color: white;
  box-shadow: 0 4px 12px rgba(0, 82, 204, 0.3);
}

/* Small button variant */
.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.875rem;
  min-height: auto;
}

/* Large button variant */
.btn-lg {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1.125rem;
}

/* Full width button */
.btn-block {
  width: 100%;
  display: flex;
}

/* ---- Navigation ---- */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

nav ul,
nav ol {
  list-style: none;
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  margin: 0;
  padding: 0;
}

nav a {
  display: inline-flex;
  align-items: center;
  min-height: var(--size-touch-target);
  padding: var(--spacing-xs) var(--spacing-sm);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  transition: color var(--transition-duration);
  position: relative;
}

/* Underline effect using pseudo-element */
nav a::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-duration);
}

nav a:hover {
  color: var(--color-primary);
}

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

nav a:active,
nav a.active,
nav a[aria-current="page"] {
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-radius: var(--border-radius-sm);
}

nav a:active::after,
nav a.active::after,
nav a[aria-current="page"]::after {
  width: 0;
}

/* ---- Hamburger toggle button ---- */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  min-width: 40px;
  min-height: 40px;
  padding: var(--spacing-xs);
  background: transparent !important;
  background-color: transparent !important;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  color: var(--color-text) !important;
  cursor: pointer;
  transition: background var(--transition-duration), border-color var(--transition-duration);
  flex-shrink: 0;
  box-shadow: none !important;
  transform: none !important;
}

.nav-toggle:hover {
  background: var(--color-background-alt) !important;
  background-color: var(--color-background-alt) !important;
  border-color: var(--color-primary);
  box-shadow: none !important;
  transform: none !important;
  color: var(--color-text) !important;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease, width 0.25s ease;
  pointer-events: none;
}

/* Animate to X when nav is open */
.main-header.nav-open .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.main-header.nav-open .hamburger-line:nth-child(2) {
  opacity: 0;
  width: 0;
}
.main-header.nav-open .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---- Mobile / Tablet Navigation (< 1024px) ---- */
@media (max-width: 1023px) {
  .nav-toggle {
    display: flex;
  }

  header .container {
    flex-wrap: wrap;
  }

  header .logo {
    flex: 1;
  }

  header nav {
    flex: 1 0 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-in-out;
  }

  .main-header.nav-open nav {
    max-height: 440px;
    border-top: 1px solid var(--color-border);
  }

  nav ul,
  nav ol {
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-xs) 0;
  }

  nav a {
    width: 100%;
    min-height: var(--size-touch-target);
    padding: var(--spacing-sm) var(--spacing-md);
    border-left: 3px solid transparent;
    border-radius: 0;
    background: transparent;
  }

  nav a::after {
    display: none;
  }

  nav a:hover,
  nav a.active,
  nav a[aria-current="page"] {
    background: var(--color-background-alt);
    border-left-color: var(--color-primary);
    border-radius: 0;
  }
}

/* ---- Header ---- */
header {
  background-color: white;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 99;
}

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
  min-height: 72px;
}

header .logo {
  font-size: 1.5rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

header .logo img {
  height: 40px;
  width: auto;
}

/* ---- Footer ---- */
footer {
  background-color: #1e2d3d;
  color: #ecf0f1;
  padding: var(--spacing-2xl) 0;
  margin-top: var(--spacing-2xl);
  border-top: 3px solid var(--color-primary);
}

/* Ensure typography.css heading color rules don't override footer headings */
footer h1,
footer h2,
footer h3,
footer h4,
footer h5,
footer h6 {
  color: #ffffff;
}

/* Ensure paragraph text and list items are readable on dark background */
footer p,
footer li {
  color: #cbd5e1;
}

footer .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

footer h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

footer li {
  margin-bottom: var(--spacing-sm);
}

footer a {
  color: #cbd5e1;
  text-decoration: none;
  transition: color var(--transition-duration);
}

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

footer .footer-bottom {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
  border-top: 1px solid #2d4a6a;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  max-width: var(--size-container);
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  footer .footer-bottom {
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }
}

@media (min-width: 1024px) {
  footer .footer-bottom {
    padding-left: var(--spacing-xl);
    padding-right: var(--spacing-xl);
  }
}

footer .footer-bottom p {
  margin: 0;
  font-size: 0.875rem;
  color: #a0b0c0;
}

/* Mobile footer */
@media (max-width: 767px) {
  footer .container {
    grid-template-columns: 1fr;
  }

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

/* ---- Cards ---- */
.card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all var(--transition-duration);
}

.card:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  background-color: #f9f9f9;
}

.card-header h3 {
  margin: 0;
  font-size: 1.125rem;
}

.card-body {
  padding: var(--spacing-lg);
}

.card-body p:last-child {
  margin-bottom: 0;
}

.card-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  background-color: #f9f9f9;
}

/* ---- Hero Section ---- */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #003d99 100%);
  color: white;
  padding: var(--spacing-3xl) var(--spacing-lg);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.hero h1 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
}

/* ---- Section ---- */
section {
  padding: var(--spacing-2xl) 0;
}

section h2 {
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

/* ---- Call-to-Action ---- */
.cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, #003d99 100%);
  color: white;
  padding: var(--spacing-2xl) var(--spacing-lg);
  text-align: center;
  border-radius: var(--border-radius-md);
}

.cta h2 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.cta p {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-lg);
}

.cta button,
.cta .btn {
  background-color: white;
  color: var(--color-primary);
  font-weight: 700;
}

.cta button:hover,
.cta .btn:hover {
  background-color: #f0f0f0;
}

/* ---- Lists ---- */
.list-unstyled {
  list-style: none;
  padding: 0;
  margin: 0;
}

.list-inline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: var(--spacing-md);
}

.list-inline li {
  display: inline;
}

/* ---- Badges and Labels ---- */
.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--border-radius-md);
  background-color: var(--color-primary);
  color: white;
}

.badge-secondary {
  background-color: var(--color-secondary);
  color: var(--color-text);
}

/* ---- Alert/Notice boxes ---- */
.alert {
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid var(--color-primary);
  background-color: #f0f7ff;
  border-radius: var(--border-radius-md);
}

.alert-error {
  border-left-color: #dc3545;
  background-color: #fff5f5;
}

.alert-success {
  border-left-color: #28a745;
  background-color: #f1f8f4;
}

.alert-warning {
  border-left-color: #ffc107;
  background-color: #fff9e6;
}

/* ---- Forms ---- */
label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--color-text);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="date"],
input[type="time"],
input[type="number"],
textarea,
select {
  display: block;
  width: 100%;
  max-width: 100%;
  padding: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  background-color: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  transition: border-color var(--transition-duration);
}

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

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="url"]:focus,
input[type="date"]:focus,
input[type="time"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
  border-color: var(--color-primary);
  background-color: white;
}

/* ---- Responsive Adjustments ---- */
@media (max-width: 767px) {
  .hero {
    min-height: 300px;
    padding: var(--spacing-2xl) var(--spacing-md);
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .cta {
    padding: var(--spacing-xl) var(--spacing-md);
  }
}