/* Base CSS for the Institutional Website */

/* Header Styles */
.header {
  position: sticky;
  top: 0;
  width: 100%;
  background-color: var(--color-background);
  box-shadow: var(--box-shadow);
  z-index: 1000;
  transition: all var(--transition-normal) ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 0;
}

.logo {
  display: block;
  z-index: 1001;
}

.logo img {
  height: 60px;
  display: block;
  transition: all var(--transition-normal) ease;
}

/* Main Navigation */
.main-nav {
  position: relative;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  position: relative;
  z-index: 1001;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  margin: 5px auto;
  transition: transform var(--transition-fast) ease,
    opacity var(--transition-fast) ease,
    background-color var(--transition-normal) ease;
}

/* Mobile menu toggle animation */
.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-container {
  display: flex;
}

.nav-header {
  display: none;
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
  margin: 0 5px;
}

.nav-link {
  display: block;
  padding: 10px 15px;
  color: var(--color-text);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-normal) ease;
}

.nav-link:hover,
.nav-item.active .nav-link {
  color: var(--color-secondary);
}

.submenu-toggle {
  display: none;
  background: none;
  border: none;
  padding: 10px;
  cursor: pointer;
  color: var(--color-text);
  transition: color var(--transition-normal) ease;
}

.submenu-toggle:hover {
  color: var(--color-primary);
}

.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background-color: var(--color-background);
  box-shadow: var(--box-shadow);
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal) ease;
  z-index: 100;
}

.nav-item:hover .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.submenu li {
  list-style: none;
}

.submenu a {
  display: block;
  padding: 8px 20px;
  color: var(--color-text);
  font-size: 0.95rem;
  text-decoration: none;
  transition: all var(--transition-normal) ease;
}

.submenu a:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
}

.theme-toggle {
  position: fixed !important;
  left: 20px;
  bottom: 20px;
  z-index: 99999;
  background: var(--color-secondary);
  border-radius: 50%;
  border: none;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-dark);
  margin-right: 15px;
  cursor: pointer;
  transition: color var(--transition-normal) ease;
  position: relative;
}

.theme-toggle:hover {
  color: var(--color-dark);
}

.sun-icon,
.moon-icon {
  position: absolute;
  transition: opacity var(--transition-normal) ease,
    transform var(--transition-slow) ease;
}

.sun-icon {
  opacity: 0;
  transform: rotate(0);
}

.moon-icon {
  opacity: 1;
  transform: rotate(-90deg);
}

body.dark-mode .sun-icon {
  opacity: 1;
  transform: rotate(-90deg);
}

body.dark-mode .moon-icon {
  opacity: 0;
  transform: rotate(0);
}

/* Hero Section */
.hero-section {
  position: relative;
  height: 80vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
  .container {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
  }
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-background img,
.hero-background video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: -1;
}

.hero-content {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  max-width: 800px;
  padding: 40px;
  color: white;
  position: relative;
  z-index: 1;
  img {
    width: 200px;
    height: auto;
    object-fit: cover;
    object-position: center;
    margin-bottom: 20px;
  }
}

.hero-title {
  font-size: 3rem;
  margin-bottom: 20px;
  color: white;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

/* Footer Styles */
.footer {
  background-color: var(--color-dark);
  color: white;
  padding: 60px 0 20px;
  transition: background-color var(--transition-normal) ease;
}

.footer-info {
  margin-bottom: 30px;
}

.footer-info img.footer-logo {
  height: 70px;
}

.footer-logo {
  margin-bottom: 20px;
}

.footer-info p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 20px;
}

.footer h3 {
  color: white;
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: start;
  p {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: start;
    text-align: left;
  }
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition-normal) ease;
}

.footer-links a:hover {
  color: white;
}

.footer-contact address {
  font-style: normal;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact p {
  display: flex;
  align-items: start;
  margin-bottom: 15px;
}

.footer-contact i {
  margin-right: 10px;
  flex-shrink: 0;
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  transition: background-color var(--transition-normal) ease;
}

.social-links a:hover {
  background-color: var(--color-primary);
}

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: white;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal) ease;
  z-index: 99;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--color-primary-dark);
}

/* Dark Mode Styles */
/* body.dark-mode {
  background-color: var(--dark-color-background);
  color: var(--dark-color-text);
}

body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4,
body.dark-mode h5,
body.dark-mode h6 {
  color: var(--dark-color-heading);
}

body.dark-mode .header {
  background-color: var(--dark-color-background-alt);
  box-shadow: var(--dark-box-shadow);
}

body.dark-mode .nav-toggle span {
  background-color: var(--dark-color-text);
}

body.dark-mode .nav-link {
  color: var(--dark-color-text);
}

body.dark-mode .nav-link:hover,
body.dark-mode .nav-item.active .nav-link {
  color: var(--color-primary);
}

body.dark-mode .submenu {
  background-color: var(--dark-color-background-alt);
  box-shadow: var(--dark-box-shadow);
}

body.dark-mode .submenu a {
  color: var(--dark-color-text);
}

body.dark-mode .submenu a:hover {
  background-color: rgba(var(--color-primary-rgb), 0.1);
}

body.dark-mode .theme-toggle {
  color: var(--dark-color-text);
}

body.dark-mode .sun-icon {
  opacity: 0;
  transform: rotate(-90deg);
}

body.dark-mode .moon-icon {
  opacity: 1;
  transform: rotate(0);
}

body.dark-mode .footer {
  background-color: var(--dark-color-background-alt);
}

body.dark-mode .card,
body.dark-mode .feature-card,
body.dark-mode .service-card,
body.dark-mode .news-card,
body.dark-mode .testimonial-item {
  background-color: var(--dark-color-card-bg);
  box-shadow: var(--dark-box-shadow);
}

body.dark-mode .card:hover,
body.dark-mode .feature-card:hover,
body.dark-mode .service-card:hover,
body.dark-mode .news-card:hover {
  box-shadow: var(--dark-box-shadow-hover);
}

body.dark-mode .btn-outline-dark {
  border-color: var(--dark-color-text);
  color: var(--dark-color-text);
}

body.dark-mode .btn-outline-dark:hover {
  background-color: var(--dark-color-text);
  color: var(--dark-color-background);
}

body.dark-mode .form-control {
  background-color: var(--dark-color-input-bg);
  border-color: var(--dark-color-border);
  color: var(--dark-color-text);
}

body.dark-mode .form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 0.25rem rgba(var(--color-primary-rgb), 0.25);
}

body.dark-mode .back-to-top {
  background-color: var(--color-primary);
}

body.dark-mode .back-to-top:hover {
  background-color: var(--color-primary-dark);
} */

/* Responsive Styles */
@media (max-width: 1199px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.3rem;
  }
}

@media (max-width: 991px) {
  .header-inner {
    padding: 10px 0;
  }

  .nav-toggle {
    display: block;
  }

  /* Optimized Mobile Navigation */
  .nav-container {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--color-background);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    flex-direction: column;
    padding: 80px 0 30px;
    overflow-y: auto;
    transition: right var(--transition-normal) ease;
    z-index: 9999;
  }

  .nav-container.active {
    right: 0;
  }

  .nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    position: absolute;
    top: 20px;
    left: 0;
    width: 100%;
  }

  .nav-title {
    font-weight: 600;
    color: var(--color-heading);
  }

  .nav-back {
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast) ease;
  }

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

  .nav-back.d-none {
    display: none;
  }

  .nav-close {
    background: none;
    border: none;
    color: var(--color-text);
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast) ease;
  }

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

  .nav-list {
    flex-direction: column;
    width: 100%;
    padding: 0 20px;
  }

  .nav-item {
    margin: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-link {
    padding: 15px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .submenu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    position: absolute;
    top: 5px;
    right: 0;
    transition: transform var(--transition-normal) ease;
  }

  .submenu-toggle i {
    transition: transform var(--transition-normal) ease;
  }

  .submenu {
    position: fixed;
    top: 0;
    left: 100%;
    width: 100%;
    height: 100vh;
    background-color: var(--color-background);
    box-shadow: none;
    border-radius: 0;
    padding: 80px 20px 30px;
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    transition: left var(--transition-normal) ease;
    z-index: 1001;
  }

  .submenu.active {
    left: 0;
  }

  .submenu li {
    border-bottom: 1px solid var(--color-border);
  }

  .submenu a {
    padding: 15px 0;
  }

  /* Mobile menu backdrop */
  .menu-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal) ease,
      visibility var(--transition-normal) ease;
  }

  .menu-backdrop.active {
    opacity: 1;
    visibility: visible;
  }

  .hero-section {
    height: 70vh;
    min-height: 500px;
  }

  .hero-content {
    padding: 30px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

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

@media (max-width: 767px) {
  .logo img {
    width: auto;
  }

  .nav-container {
    width: 100%;
  }

  .hero-section {
    height: 60vh;
    min-height: 400px;
  }

  .hero-content {
    padding: 20px;
  }

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

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

  .footer {
    padding: 40px 0 20px;
  }

  .footer-info {
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
  }

  .footer-links {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    ul {
      text-align: center;
    }
  }

  .footer-contact {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    address {
      padding: 5px 30px;
    }
    p {
      text-align: center;
      align-items: center;
    }
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
  }
}

@media (max-width: 575px) {
  .header-inner {
    padding: 8px 0;
  }

  .hero-section {
    height: 50vh;
    min-height: 350px;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .hero-buttons .btn {
    width: 100%;
    text-align: center;
  }
}

/* Utility Classes */
.btn {
  display: inline-block;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  border: 1px solid transparent;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: 0.25rem;
  transition: all var(--transition-normal) ease;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-dark)
  );
  border-color: var(--color-primary);
  border-radius: 2rem;
  color: white;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: white;
}

.btn-outline-primary {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline-primary:hover {
  background-color: var(--color-primary);
  color: white;
}

.btn-outline-light {
  background-color: transparent;
  border-color: white;
  color: white;
}

.btn-outline-light:hover {
  background-color: white;
  color: var(--color-primary);
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1.125rem;
}

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

.mb-0 {
  margin-bottom: 0 !important;
}

.mt-0 {
  margin-top: 0 !important;
}

.mb-1 {
  margin-bottom: 0.25rem !important;
}

.mt-1 {
  margin-top: 0.25rem !important;
}

.mb-2 {
  margin-bottom: 0.5rem !important;
}

.mt-2 {
  margin-top: 0.5rem !important;
}

.mb-3 {
  margin-bottom: 1rem !important;
}

.mt-3 {
  margin-top: 1rem !important;
}

.mb-4 {
  margin-bottom: 1.5rem !important;
}

.mt-4 {
  margin-top: 1.5rem !important;
}

.mb-5 {
  margin-bottom: 3rem !important;
}

.mt-5 {
  margin-top: 3rem !important;
}

.d-none {
  display: none !important;
}

.d-flex {
  display: flex !important;
}

.align-items-center {
  align-items: center !important;
}

.justify-content-center {
  justify-content: center !important;
}

.justify-content-between {
  justify-content: space-between !important;
}

.w-100 {
  width: 100% !important;
}

.h-100 {
  height: 100% !important;
}

.position-relative {
  position: relative !important;
}

.position-absolute {
  position: absolute !important;
}

.overflow-hidden {
  overflow: hidden !important;
}

.developed-by {
  display: inline-block;
  width: auto;
  height: auto;
  margin-left: 0.5rem;
  opacity: 0.7;
  transition: all 0.3s ease-in-out;
  img {
    width: auto;
    height: 35px;
  }
}

.developed-by:hover {
  opacity: 0.8;
}

.company_preview {
  max-width: 400px;
}

.animate-on-scroll.animated {
  animation: fadeInUp 1s ease-out;
}