/* ===== VARIABLES ===== */
:root {
  /* Colors */
  --primary-color: #2c4f9e;
  --secondary-color: #4a7fc1;
  --accent-color: #f7941d;
  --dark-color: #333333;
  --light-color: #f8f9fa;
  --gray-color: #6c757d;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --white-color: #ffffff;
  
  /* Typography */
  --body-font: 'Open Sans', sans-serif;
  --heading-font: 'Montserrat', sans-serif;
  
  /* Spacing */
  --section-padding: 80px 0;
  --container-padding: 0 15px;
  
  /* Transitions */
  --transition: all 0.3s ease;
  
  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  
  /* Box Shadow */
  --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  --box-shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* ===== RESET & BASE STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--body-font);
  line-height: 1.6;
  color: var(--dark-color);
  background-color: var(--white-color);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

button, .btn {
  cursor: pointer;
  border: none;
  outline: none;
  transition: var(--transition);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--container-padding);
}

section {
  padding: var(--section-padding);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading-font);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--dark-color);
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  text-align: center;
}

.section-description {
  font-size: 1.1rem;
  color: var(--gray-color);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
}

/* ===== PRELOADER ===== */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--white-color);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: var(--transition);
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader {
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  50% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(0.8);
    opacity: 0.5;
  }
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--white-color);
  box-shadow: var(--box-shadow);
  padding: 15px 0;
  z-index: 1000;
}

.header-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo a {
  display: flex;
  align-items: center;
  font-family: var(--heading-font);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color);
}

.logo img {
  height: 40px;
  margin-right: 10px;
}

.nav-list {
  display: flex;
  align-items: center;
}

.nav-item {
  margin: 0 15px;
}

.nav-link {
  font-weight: 500;
  color: var(--dark-color);
  position: relative;
  padding: 5px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: var(--transition);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
}

.btn {
  display: inline-block;
  padding: 10px 25px;
  border-radius: var(--border-radius-md);
  font-weight: 500;
  text-align: center;
}

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

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

.btn-outline {
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  background-color: transparent;
}

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

.btn-sm {
  padding: 8px 20px;
  font-size: 0.9rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--dark-color);
  margin: 5px 0;
  transition: var(--transition);
}

/* ===== MOBILE MENU OVERLAY ===== */
.menu-open {
  overflow: hidden;
}

.menu-open::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 98;
}

/* Hamburger Animation */
.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu Z-index fix */
.mobile-menu {
  z-index: 999;
}

.header {
  z-index: 1000;
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 400px;
  height: 100vh;
  background-color: var(--white-color);
  z-index: 999;
  padding: 80px 20px 40px;
  transition: right 0.3s ease;
  box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
  overflow-y: auto;
}

.mobile-menu.active {
  right: 0;
}

.mobile-nav-item {
  margin-bottom: 15px;
}

.mobile-nav-link {
  display: block;
  font-size: 1.1rem;
  font-weight: 500;
  padding: 10px 0;
  color: var(--dark-color);
}

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

.mobile-actions {
  margin-top: 30px;
}

.mobile-actions .btn {
  display: block;
  width: 100%;
  margin-bottom: 20px;
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--light-color);
  color: var(--primary-color);
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--primary-color);
  color: var(--white-color);
}

/* ===== HERO SECTION ===== */
.hero {
  padding-top: 150px;
  padding-bottom: 80px;
  background-color: var(--light-color);
}

.hero-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.hero-title {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.hero-description {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: var(--gray-color);
}

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

.hero-image img {
  max-width: 100%;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* ===== SOLUTIONS SECTION ===== */
.solutions {
  background-color: var(--white-color);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.solution-card {
  background-color: var(--white-color);
  border-radius: var(--border-radius-lg);
  padding: 30px;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  text-align: center;
}

.solution-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--box-shadow-hover);
}

.solution-image {
  margin-bottom: 20px;
}

.solution-image img {
  height: 100px;
  width: auto;
}

.solution-title {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.solution-description {
  color: var(--gray-color);
  margin-bottom: 20px;
}

.solution-link {
  display: inline-block;
  color: var(--primary-color);
  font-weight: 500;
}

.solution-link i {
  margin-left: 5px;
  transition: var(--transition);
}

.solution-link:hover i {
  transform: translateX(5px);
}

/* ===== SERVICES SECTION ===== */
.services {
  background-color: var(--light-color);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.service-card {
  background-color: var(--white-color);
  border-radius: var(--border-radius-lg);
  padding: 30px;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  text-align: center;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--box-shadow-hover);
}

.service-icon {
  margin-bottom: 20px;
}

.service-icon img {
  height: 70px;
  width: auto;
}

.service-title {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.service-description {
  color: var(--gray-color);
}

/* ===== PORTFOLIO SECTION ===== */
.portfolio {
  background-color: var(--white-color);
}

.portfolio-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 50px;
}

.filter-btn {
  padding: 12px 25px;
  background-color: transparent;
  border: 2px solid var(--gray-color);
  color: var(--gray-color);
  border-radius: var(--border-radius-md);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

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

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-bottom: 60px;
}

.portfolio-card {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  background-color: var(--white-color);
}

.portfolio-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--box-shadow-hover);
}

.portfolio-image {
  position: relative;
  overflow: hidden;
  height: 250px;
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.portfolio-card:hover .portfolio-image img {
  transform: scale(1.1);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(44, 79, 158, 0.95), rgba(74, 127, 193, 0.95));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  padding: 30px;
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-content {
  text-align: center;
  color: var(--white-color);
}

.portfolio-category {
  display: inline-block;
  background-color: var(--accent-color);
  color: var(--white-color);
  padding: 5px 15px;
  border-radius: var(--border-radius-md);
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.portfolio-title {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: var(--white-color);
}

.portfolio-description {
  font-size: 0.9rem;
  margin-bottom: 20px;
  opacity: 0.9;
  line-height: 1.5;
}

.portfolio-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 25px;
}

.feature-tag {
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--white-color);
  padding: 4px 12px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.portfolio-links {
  display: flex;
  gap: 15px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.portfolio-external-link {
  color: var(--white-color);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}

.portfolio-external-link:hover {
  color: var(--accent-color);
}

.portfolio-external-link i {
  margin-left: 5px;
  font-size: 0.8rem;
}

.portfolio-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  padding: 50px 0;
  border-top: 1px solid var(--light-color);
}

.portfolio-stats .stat-item {
  text-align: center;
}

.portfolio-stats .stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 10px;
  font-family: var(--heading-font);
}

.portfolio-stats .stat-label {
  font-size: 1rem;
  color: var(--gray-color);
  font-weight: 500;
}

/* Portfolio Responsive Styles */
@media (max-width: 768px) {
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .portfolio-filter {
    gap: 8px;
  }
  
  .filter-btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
  
  .portfolio-overlay {
    padding: 20px;
  }
  
  .portfolio-title {
    font-size: 1.2rem;
  }
  
  .portfolio-description {
    font-size: 0.85rem;
  }
  
  .portfolio-links {
    flex-direction: column;
    gap: 10px;
  }
  
  .portfolio-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .portfolio-stats .stat-number {
    font-size: 2rem;
  }
}

@media (max-width: 576px) {
  .portfolio-stats {
    grid-template-columns: 1fr;
  }
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
  background-color: var(--light-color);
}

.testimonials-slider {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}

.testimonial-card {
  background-color: var(--white-color);
  border-radius: var(--border-radius-lg);
  padding: 30px;
  box-shadow: var(--box-shadow);
  position: relative;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 20px;
  position: relative;
  padding-left: 25px;
}

.testimonial-text::before {
  content: '"';
  font-size: 3rem;
  color: var(--primary-color);
  opacity: 0.3;
  position: absolute;
  top: -20px;
  left: 0;
}

.testimonial-author {
  display: flex;
  align-items: center;
}

.author-info {
  flex: 1;
}

.author-name {
  font-size: 1.1rem;
  margin-bottom: 5px;
}

.author-position {
  font-size: 0.9rem;
  color: var(--gray-color);
}



/* ===== CONTACT SECTION ===== */
.contact {
  background-color: var(--white-color);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  margin-bottom: 30px;
}

.contact-card-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: rgba(44, 79, 158, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 15px;
  color: var(--primary-color);
  font-size: 1.2rem;
}

.contact-card-title {
  font-size: 1.2rem;
  margin-bottom: 5px;
}

.contact-social-title {
  margin-bottom: 15px;
}

.contact-form-wrapper {
  background-color: var(--white-color);
  border-radius: var(--border-radius-lg);
  padding: 30px;
  box-shadow: var(--box-shadow);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: var(--border-radius-md);
  font-family: var(--body-font);
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(44, 79, 158, 0.1);
}

.btn-block {
  width: 100%;
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--dark-color);
  color: var(--light-color);
  padding-top: 70px;
}

.footer-top {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  padding-bottom: 50px;
}

.footer-logo h2 {
  color: var(--white-color);
  margin-bottom: 20px;
}

.footer-logo span {
  color: var(--accent-color);
}

.footer-about-text {
  margin-bottom: 20px;
  opacity: 0.8;
}

.footer-widget-title {
  color: var(--white-color);
  font-size: 1.3rem;
  margin-bottom: 25px;
  position: relative;
}

.footer-widget-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: var(--accent-color);
}

.footer-links-list li {
  margin-bottom: 12px;
}

.footer-link {
  color: var(--light-color);
  opacity: 0.8;
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--accent-color);
  opacity: 1;
  padding-left: 5px;
}

.footer-newsletter-text {
  margin-bottom: 20px;
  opacity: 0.8;
}

.footer-newsletter-form .form-group {
  display: flex;
}

.footer-newsletter-form .form-control {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: none;
}

.footer-newsletter-form .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
}

.copyright {
  opacity: 0.7;
  font-size: 0.9rem;
}

.admin-link {
  color: var(--accent-color);
  margin-left: 10px;
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .nav {
    display: none;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .header-actions .btn {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .hero-wrapper,
  .contact-wrapper,
  .portfolio-item {
    grid-template-columns: 1fr;
  }
  
  .hero-image {
    order: -1;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-actions {
    flex-direction: column;
    gap: 10px;
  }
  
  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 576px) {
  :root {
    --section-padding: 50px 0;
  }
  
  .section-title {
    font-size: 1.8rem;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
  }
}