/* ================ BASE STYLES ================ */
 :root {
   --primary-bg: #0a0a0a;
   --secondary-bg: #121212;
   --tertiary-bg: #1a1a1a;
   --card-bg: #1e1e1e;
   --accent-color: #ff5757;
   --accent-gradient: linear-gradient(135deg, #ff5757, #ff8a8a);
   --text-primary: #ffffff;
   --text-secondary: #b0b0b0;
   --text-tertiary: #888888;
   --border-radius: 16px;
   --border-radius-sm: 8px;
   --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
   --box-shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.5);
   --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
   --transition-fast: all 0.2s ease;
 }

 /* ================ GLOBAL STYLES ================ */
 * {
   box-sizing: border-box;
   margin: 0;
   padding: 0;
 }

 html {
   scroll-behavior: smooth;
   scroll-padding-top: 80px;
 }

 body {
   font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
   background-color: var(--primary-bg);
   color: var(--text-primary);
   line-height: 1.6;
   overflow-x: hidden;
 }

 /* ================ TYPOGRAPHY ================ */
 h1,
 h2,
 h3,
 h4,
 h5,
 h6 {
   line-height: 1.3;
   font-weight: 700;
   margin-bottom: 1.25rem;
 }

 h1 {
   font-size: clamp(2.5rem, 5vw, 3.5rem);
 }

 h2 {
   font-size: clamp(2rem, 4vw, 2.5rem);
 }

 h3 {
   font-size: clamp(1.5rem, 3vw, 2rem);
 }

 p {
   color: var(--text-secondary);
   margin-bottom: 1.5rem;
   font-size: clamp(0.95rem, 2vw, 1.05rem);
 }

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

 /* ================ UTILITY CLASSES ================ */
 .container {
   width: 100%;
   max-width: 1200px;
   margin: 0 auto;
   padding: 0 20px;
 }

 .section {
   padding: 100px 0;
   position: relative;
 }

 .section-title {
   text-align: center;
   margin-bottom: 3rem;
   position: relative;
 }

 .section-title::after {
   content: '';
   display: block;
   width: 80px;
   height: 4px;
   background: var(--accent-color);
   margin: 1rem auto;
   border-radius: 2px;
 }

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

 .text-lg-start {
   text-align: left;
 }

 @media (max-width: 992px) {
   .text-lg-start {
     text-align: center;
   }
 }

 /* ================ BUTTONS ================ */
 .btn {
   display: inline-block;
   padding: 12px 24px;
   border-radius: 30px;
   font-weight: 600;
   text-align: center;
   cursor: pointer;
   transition: var(--transition);
   border: none;
   white-space: nowrap;
 }

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

 .btn-primary:hover {
   transform: translateY(-3px);
   box-shadow: 0 10px 20px rgba(255, 87, 87, 0.3);
 }

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

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

 .btn-lg {
   padding: 15px 30px;
   font-size: 1.1rem;
 }

 /* Preloader Styles */
 #preloader {
   position: fixed;
   top: 0;
   left: 0;
   width: 100%;
   height: 100%;
   background: #121212;
   /* Using your primary-bg color */
   display: flex;
   justify-content: center;
   align-items: center;
   z-index: 9999;
   transition: opacity 0.5s ease, visibility 0.5s ease;
 }

 #preloader.fade-out {
   opacity: 0;
   visibility: hidden;
 }

 .preloader-content {
   text-align: center;
   position: relative;
 }

 .preloader-logo-container {
   position: relative;
   margin-bottom: 2rem;
   display: inline-block;
 }

 .preloader-logo {
   height: 80px;
   filter: drop-shadow(0 0 10px rgba(255, 87, 87, 0.5));
   animation: logoFloat 3s ease-in-out infinite;
 }

 @keyframes logoFloat {

   0%,
   100% {
     transform: translateY(0) rotate(0deg);
   }

   50% {
     transform: translateY(-10px) rotate(2deg);
   }
 }

 .preloader-spinner {
   width: 60px;
   height: 60px;
   border: 4px solid rgba(255, 87, 87, 0.2);
   border-top: 4px solid #ff5757;
   border-radius: 50%;
   margin: 0 auto 1.5rem;
   animation: spin 1.2s linear infinite;
   position: relative;
 }

 .preloader-spinner::after {
   content: '';
   position: absolute;
   top: -8px;
   left: -8px;
   right: -8px;
   bottom: -8px;
   border: 2px solid transparent;
   border-top: 2px solid rgba(255, 87, 87, 0.5);
   border-radius: 50%;
   animation: spin 1.5s linear infinite reverse;
 }

 @keyframes spin {
   0% {
     transform: rotate(0deg);
   }

   100% {
     transform: rotate(360deg);
   }
 }

 .preloader-text {
   color: #cccccc;
   font-size: 1rem;
   letter-spacing: 2px;
   text-transform: uppercase;
   animation: pulse 2s infinite;
   margin-bottom: 1.5rem;
 }

 @keyframes pulse {

   0%,
   100% {
     opacity: 0.7;
   }

   50% {
     opacity: 1;
   }
 }

 .preloader-dots {
   display: flex;
   justify-content: center;
   margin-top: 1.5rem;
   gap: 8px;
 }

 .preloader-dot {
   width: 10px;
   height: 10px;
   border-radius: 50%;
   background: #ff5757;
   animation: dotBounce 1.4s infinite ease-in-out;
 }

 .preloader-dot:nth-child(1) {
   animation-delay: -0.32s;
 }

 .preloader-dot:nth-child(2) {
   animation-delay: -0.16s;
 }

 .preloader-dot:nth-child(3) {
   animation-delay: 0s;
 }

 @keyframes dotBounce {

   0%,
   80%,
   100% {
     transform: scale(0.8);
     opacity: 0.5;
   }

   40% {
     transform: scale(1);
     opacity: 1;
   }
 }

 .preloader-progress {
   width: 200px;
   height: 4px;
   background: rgba(255, 87, 87, 0.2);
   border-radius: 2px;
   margin: 1rem auto;
   overflow: hidden;
 }

 .preloader-progress-bar {
   height: 100%;
   width: 0%;
   background: #ff5757;
   border-radius: 2px;
   transition: width 0.3s ease;
 }

 /* Demo content styles */
 .demo-content {
   padding: 40px 20px;
   text-align: center;
   background: #1c1c1c;
   color: white;
   min-height: 100vh;
   font-family: 'Inter', sans-serif;
 }

 .demo-content h1 {
   color: #ff5757;
   margin-bottom: 20px;
 }

 .demo-content p {
   color: #cccccc;
   max-width: 600px;
   margin: 0 auto 30px;
 }

 .btn {
   display: inline-block;
   padding: 12px 24px;
   border-radius: 30px;
   font-weight: 600;
   text-align: center;
   cursor: pointer;
   transition: all 0.3s ease;
   border: none;
   text-decoration: none;
 }

 .btn-primary {
   background-color: #ff5757;
   color: #121212;
 }

 .btn-primary:hover {
   transform: translateY(-3px);
   box-shadow: 0 10px 20px rgba(255, 87, 87, 0.3);
 }

 .features {
   display: flex;
   flex-wrap: wrap;
   justify-content: center;
   gap: 20px;
   margin-top: 40px;
 }

 .feature-card {
   background: #232323;
   border-radius: 12px;
   padding: 20px;
   width: 200px;
   box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
   transition: transform 0.3s ease;
 }

 .feature-card:hover {
   transform: translateY(-5px);
 }

 .feature-card i {
   font-size: 2rem;
   color: #ff5757;
   margin-bottom: 15px;
 }

 /* ================ NAVBAR ================ */
 .navbar {
   position: fixed;
   top: 0;
   width: 100%;
   z-index: 1000;
   background-color: rgba(18, 18, 18, 0.95);
   backdrop-filter: blur(10px);
   transition: var(--transition);
   padding: 15px 0;
 }

 .navbar.scrolled {
   box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
   padding: 10px 0;
 }

 .logo-img {
   height: 30px;
   transition: var(--transition);
 }

 .logo-img:hover {
   transform: scale(1.05);
 }

 .nav-link {
   position: relative;
   padding: 0.5rem 1rem;
   font-weight: 500;
 }

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

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

 /* ================ BLOG GRID STYLES ================ */
 .blog-grid {
   display: grid;
   grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
   gap: 2rem;
   margin-top: 2rem;
 }

 .blog-card {
   background-color: var(--card-bg);
   border-radius: var(--border-radius);
   overflow: hidden;
   box-shadow: var(--box-shadow);
   transition: var(--transition);
   height: 100%;
   display: flex;
   flex-direction: column;
 }

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

 .blog-image {
   width: 100%;
   height: 200px;
   object-fit: cover;
   display: block;
 }

 .blog-content {
   padding: 1.5rem;
   flex-grow: 1;
   display: flex;
   flex-direction: column;
 }

 .blog-meta {
   display: flex;
   justify-content: space-between;
   margin-bottom: 1rem;
   font-size: 0.85rem;
   color: var(--text-tertiary);
 }

 .blog-category {
   background: var(--accent-gradient);
   color: var(--primary-bg);
   padding: 4px 12px;
   border-radius: 20px;
   font-weight: 600;
   font-size: 0.75rem;
 }

 .blog-title {
   font-size: 1.25rem;
   margin-bottom: 1rem;
   line-height: 1.4;
 }

 .blog-excerpt {
   color: var(--text-secondary);
   margin-bottom: 1.5rem;
   flex-grow: 1;
 }

 .blog-footer {
   display: flex;
   justify-content: space-between;
   align-items: center;
   margin-top: auto;
 }

 .blog-author {
   display: flex;
   align-items: center;
   gap: 0.5rem;
 }

 .author-avatar {
   width: 32px;
   height: 32px;
   border-radius: 50%;
   object-fit: cover;
 }

 .author-name {
   font-size: 0.9rem;
   color: var(--text-secondary);
 }

 .read-more {
   font-weight: 600;
   color: var(--accent-color);
   transition: var(--transition);
   display: flex;
   align-items: center;
   gap: 0.5rem;
 }

 .read-more:hover {
   color: var(--text-primary);
   transform: translateX(5px);
 }

 .load-more-container {
   display: flex;
   justify-content: center;
   margin-top: 3rem;
 }

 /* ================ FILTERS ================ */
 .blog-filters {
   display: flex;
   justify-content: center;
   gap: 1rem;
   margin-bottom: 2rem;
   flex-wrap: wrap;
 }

 .filter-btn {
   background: transparent;
   border: 2px solid var(--tertiary-bg);
   color: var(--text-secondary);
   padding: 8px 16px;
   border-radius: 30px;
   cursor: pointer;
   transition: var(--transition);
 }

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

 /* ================ RESPONSIVE ================ */
 @media (max-width: 768px) {
   .blog-grid {
     grid-template-columns: 1fr;
   }

   .blog-filters {
     justify-content: flex-start;
     overflow-x: auto;
     padding-bottom: 1rem;
   }
 }

 /* Footer Styles */
 .footer {
   background: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 100%);
   padding: 80px 0 30px;
   position: relative;
   overflow: hidden;
   margin-top: auto;
 }

 .footer::before {
   content: '';
   position: absolute;
   top: 0;
   left: 0;
   width: 100%;
   height: 1px;
   background: linear-gradient(to right, transparent, #ff5757, transparent);
 }

 .footer::after {
   content: '';
   position: absolute;
   top: 0;
   left: 0;
   width: 100%;
   height: 100%;
   background: radial-gradient(circle at 30% 20%, rgba(255, 87, 87, 0.05) 0%, transparent 50%);
   pointer-events: none;
 }

 .footer .container {
   width: 100%;
   max-width: 1200px;
   margin: 0 auto;
   padding: 0 20px;
   position: relative;
   z-index: 2;
 }

 .footer-logo {
   display: inline-flex;
   align-items: center;
   margin-bottom: 30px;
   transition: all 0.3s ease;
   text-decoration: none;
 }

 .footer-logo:hover {
   transform: translateY(-5px);
 }

 .footer-logo img {
   height: 65px;
   margin-right: 15px;
   filter: drop-shadow(0 0 8px rgba(255, 87, 87, 0.3));
 }

 .footer-logo span {
   font-size: 1.8rem;
   font-weight: 700;
   background: linear-gradient(45deg, #ff5757, #ff8a65);
   -webkit-background-clip: text;
   background-clip: text;
   color: transparent;
 }

 .social-links {
   display: flex;
   justify-content: center;
   gap: 25px;
   margin-bottom: 50px;
 }

 .social-icon {
   font-size: 1.3rem;
   color: #ff5757;
   /* accent-color */
   transition: all 0.3s ease;
   width: 55px;
   height: 55px;
   border-radius: 50%;
   display: inline-flex;
   align-items: center;
   justify-content: center;
   background: rgba(255, 255, 255, 0.05);
   border: 1px solid rgba(255, 87, 87, 0.2);
   box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
 }

 .social-icon:hover {
   color: #fff;
   background: #ff5757;
   /* accent-color */
   transform: translateY(-5px) scale(1.1);
   box-shadow: 0 8px 20px rgba(255, 87, 87, 0.3);
 }

 .footer-links-container {
   display: flex;
   flex-wrap: wrap;
   justify-content: space-between;
   gap: 40px;
   margin-bottom: 50px;
 }

 .footer-column {
   flex: 1;
   min-width: 200px;
 }

 .footer-column h5 {
   color: #ff5757;
   /* accent-color */
   margin-bottom: 25px;
   font-size: 1.2rem;
   position: relative;
   padding-bottom: 12px;
   font-weight: 600;
 }

 .footer-column h5::after {
   content: '';
   position: absolute;
   bottom: 0;
   left: 0;
   width: 50px;
   height: 3px;
   background: linear-gradient(to right, #ff5757, transparent);
   border-radius: 2px;
 }

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

 .footer-links li {
   margin-bottom: 15px;
   position: relative;
   padding-left: 15px;
 }

 .footer-links li::before {
   content: '›';
   position: absolute;
   left: 0;
   color: #ff5757;
   /* accent-color */
   font-weight: bold;
   transition: all 0.3s ease;
 }

 .footer-link {
   color: #cccccc;
   /* text-secondary */
   transition: all 0.3s ease;
   display: inline-block;
   text-decoration: none;
   position: relative;
 }

 .footer-link:hover {
   color: #ff5757;
   /* accent-color */
   transform: translateX(5px);
   text-decoration: none;
 }

 .footer-link:hover::after {
   content: '';
   position: absolute;
   bottom: -2px;
   left: 0;
   width: 100%;
   height: 1px;
   background: #ff5757;
   /* accent-color */
 }

 .contact-info p {
   display: flex;
   align-items: center;
   margin-bottom: 18px;
   color: #cccccc;
   /* text-secondary */
   transition: all 0.3s ease;
 }

 .contact-info p:hover {
   color: #fff;
 }

 .contact-info i {
   margin-right: 12px;
   color: #ff5757;
   /* accent-color */
   min-width: 20px;
   font-size: 1.1rem;
 }

 .contact-info a {
   color: #cccccc;
   /* text-secondary */
   transition: all 0.3s ease;
   text-decoration: none;
 }

 .contact-info a:hover {
   color: #ff5757;
   /* accent-color */
   text-decoration: none;
 }

 .footer-divider {
   border-color: rgba(255, 255, 255, 0.1);
   margin: 50px 0 30px;
   position: relative;
 }

 .footer-divider::before {
   content: '';
   position: absolute;
   top: -1px;
   left: 50%;
   transform: translateX(-50%);
   width: 100px;
   height: 2px;
   background: #ff5757;
   /* accent-color */
   border-radius: 2px;
 }

 .copyright {
   text-align: center;
   color: #cccccc;
   /* text-secondary */
   font-size: 0.9rem;
   padding-top: 20px;
   border-top: 1px solid rgba(255, 255, 255, 0.1);
 }

 .back-to-top {
   position: absolute;
   right: 30px;
   bottom: 30px;
   width: 45px;
   height: 45px;
   background: #ff5757;
   /* accent-color */
   color: #fff;
   border-radius: 50%;
   display: flex;
   align-items: center;
   justify-content: center;
   transition: all 0.3s ease;
   text-decoration: none;
   box-shadow: 0 4px 15px rgba(255, 87, 87, 0.3);
 }

 .back-to-top:hover {
   transform: translateY(-5px);
   color: #fff;
   box-shadow: 0 8px 20px rgba(255, 87, 87, 0.4);
 }

 /* Newsletter Subscription */
 .newsletter {
   background: rgba(255, 87, 87, 0.1);
   border-radius: 12px;
   padding: 30px;
   margin-top: 30px;
   text-align: center;
   border: 1px solid rgba(255, 87, 87, 0.2);
 }

 .newsletter h5 {
   color: #ff5757;
   /* accent-color */
   margin-bottom: 15px;
 }

 .newsletter p {
   color: #cccccc;
   /* text-secondary */
   margin-bottom: 20px;
 }

 .newsletter-form {
   display: flex;
   max-width: 400px;
   margin: 0 auto;
 }

 .newsletter-input {
   flex: 1;
   padding: 12px 15px;
   border: 1px solid rgba(255, 255, 255, 0.2);
   border-radius: 30px 0 0 30px;
   background: rgba(255, 255, 255, 0.05);
   color: #fff;
   outline: none;
 }

 .newsletter-input:focus {
   border-color: #ff5757;
   /* accent-color */
 }

 .newsletter-btn {
   padding: 12px 25px;
   background: #ff5757;
   /* accent-color */
   color: #121212;
   /* primary-bg */
   border: none;
   border-radius: 0 30px 30px 0;
   cursor: pointer;
   font-weight: 600;
   transition: all 0.3s ease;
 }

 .newsletter-btn:hover {
   background: #ff6b6b;
 }

 /* Responsive adjustments */
 @media (max-width: 768px) {
   .footer-links-container {
     flex-direction: column;
     gap: 30px;
   }

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

   .footer-column h5::after {
     left: 50%;
     transform: translateX(-50%);
   }

   .footer-links li {
     padding-left: 0;
   }

   .footer-links li::before {
     display: none;
   }

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

   .newsletter-form {
     flex-direction: column;
     gap: 10px;
   }

   .newsletter-input,
   .newsletter-btn {
     border-radius: 30px;
     width: 100%;
   }
 }

 /* ================ ANIMATIONS ================ */
 @keyframes fadeIn {
   from {
     opacity: 0;
     transform: translateY(20px);
   }

   to {
     opacity: 1;
     transform: translateY(0);
   }
 }

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

   to {
     opacity: 1;
     transform: translateY(0);
   }
 }

 .animate-fadeIn {
   animation: fadeIn 0.6s ease-out forwards;
 }

 .delay-1 {
   animation-delay: 0.2s;
 }

 .delay-2 {
   animation-delay: 0.4s;
 }

 .delay-3 {
   animation-delay: 0.6s;
 }

 /* ================ RESPONSIVE ADJUSTMENTS ================ */
 @media (max-width: 992px) {
   .section {
     padding: 80px 0;
   }

   .timeline::before {
     left: 31px;
   }

   .timeline-item {
     width: 100%;
     padding-left: 70px;
     padding-right: 25px;
   }

   .timeline-item:nth-child(even) {
     left: 0;
   }
 }

 @media (max-width: 768px) {
   .section {
     padding: 60px 0;
   }

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

   .about-content {
     flex-direction: column;
   }

   .contact-wrapper {
     flex-direction: column;
   }

   .project-links {
     flex-direction: column;
   }

   .btn {
     width: 100%;
     max-width: 300px;
   }

   .cta-buttons {
     flex-direction: column;
     align-items: center;
   }

   .testimonials-container {
     grid-template-columns: 1fr;
   }

   .testimonial-card {
     padding: 1.5rem;
   }

   .testimonials-nav {
     gap: 1rem;
   }

   .timeline::before {
     left: 20px;
   }

   .timeline-item {
     padding-left: 50px;
   }

   .timeline-icon {
     left: 0;
   }

   .certification-grid {
     grid-template-columns: 1fr;
   }

   .badges-grid {
     grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
     gap: 1.5rem;
   }

   .footer-links-container {
     flex-direction: column;
     gap: 30px;
   }

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

   .footer-column h5::after {
     left: 50%;
     transform: translateX(-50%);
   }
 }

 @media (max-width: 576px) {
   .section {
     padding: 50px 0;
   }

   .section-title {
     margin-bottom: 2rem;
   }

   .projects-grid {
     grid-template-columns: 1fr;
   }

   .social-links {
     gap: 15px;
   }

   .navbar-nav {
     gap: 0;
     margin-bottom: 1rem;
   }

   .nav-link {
     padding: 0.5rem;
   }

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

   .stat-item h3 {
     font-size: 2rem;
   }

   .testimonial-author {
     flex-direction: column;
     text-align: center;
   }

   .footer {
     padding: 60px 0 30px;
   }

   .social-links {
     margin-bottom: 30px;
   }
 }

 @media (max-width: 480px) {
   .cta-stats {
     grid-template-columns: 1fr;
   }

   .footer {
     padding: 50px 0 20px;
   }

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

   .social-links {
     gap: 15px;
     margin-bottom: 20px;
   }

   .social-icon {
     width: 40px;
     height: 40px;
     font-size: 1.2rem;
   }

   .footer-divider {
     margin: 30px 0;
   }
 }