:root {
       --clr-bg: #FDFBF7;
       --clr-surface: #F5EFEB;
       --clr-primary: #B2967D;
       --clr-secondary: #E3D5CA;
       --clr-text: #5C5249;
       --clr-heading: #312A25;
       --clr-border: #E8DFD8;

       --font-heading: 'Montserrat', sans-serif;
       --font-body: 'Roboto', sans-serif;

       --radius: 8px;
       --radius-lg: 16px;
       --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
       --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
       --transition: all 0.3s ease;

       --section-padding: 5rem 0;
   }

   [data-theme="dark"] {
       --clr-bg: #2C2621;
       --clr-surface: #38312B;
       --clr-primary: #D4BFA9;
       --clr-secondary: #B2967D;
       --clr-text: #D6CEC5;
       --clr-heading: #F5EFEB;
       --clr-border: #4A423B;
   }

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

   html {
       scroll-behavior: smooth;
   }

   body {
       font-family: var(--font-body);
       color: var(--clr-text);
       background-color: var(--clr-bg);
       line-height: 1.6;
       transition: background-color 0.3s ease, color 0.3s ease;
   }

   h1,
   h2,
   h3,
   h4,
   h5,
   h6 {
       font-family: var(--font-heading);
       color: var(--clr-heading);
       font-weight: 700;
   }

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

   ul {
       list-style: none;
   }

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

   .container {
       width: 90%;
       max-width: 1200px;
       margin: 0 auto;
   }

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

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

   h2 span {
       color: var(--clr-primary);
   }

   .grid-2 {
       display: grid;
       grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
       gap: 2rem;
   }

   .grid-3 {
       display: grid;
       grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
       gap: 2rem;
   }

   .projects-grid {
       display: grid;
       grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
       gap: 2rem;
   }

   .btn {
       display: inline-block;
       padding: 0.75rem 1.5rem;
       border-radius: var(--radius);
       font-family: var(--font-heading);
       font-weight: 600;
       cursor: pointer;
       text-align: center;
       border: none;
       transition: transform 0.2s ease, box-shadow 0.2s ease;
   }

   .btn:hover {
       transform: translateY(-2px);
       box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
   }

   .btn-primary {
       background-color: var(--clr-primary);
       color: #fff;
   }

   .btn-white-outline {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

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

.section-surface {
    background-color: var(--clr-surface);
}

.text-muted {
    opacity: 0.8;
}

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

.text-small {
    font-size: 0.9rem;
}

.fw-600 {
    font-weight: 600;
}

.clr-primary {
    color: var(--clr-primary);
}

.w-100 {
    width: 100%;
}

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

.project-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--clr-border);
    cursor: pointer;
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.project-tag {
    background-color: var(--clr-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
    display: inline-block;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.project-overlay h3 {
    color: white;
    margin-bottom: 0.25rem;
}

.project-overlay p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.expert-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--clr-bg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.expert-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.expert-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.expert-card figcaption {
    padding: 1.5rem;
}

.expert-card-role {
    color: var(--clr-primary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.expert-card-text {
    color: var(--clr-text-light);
    font-size: 0.95rem;
}

.border-radius-lg {
    border-radius: var(--radius-lg);
}

.shadow-lg {
    box-shadow: var(--shadow-lg);
}

.section-primary {
    background-color: var(--clr-heading);
    color: #fff;
}

.section-primary h2, 
.section-primary h1,
.section-primary h4,
.section-primary p {
    color: #fff;
}

.video-player {
    max-width: 100%;
    width: 800px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.carousel-glass {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.max-width-800 {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mb-4 { margin-bottom: 4rem; }

   .btn-secondary {
       background-color: transparent;
       color: var(--clr-heading);
       border: 2px solid var(--clr-border);
   }

   .glass {
       background: rgba(255, 255, 255, 0.7);
       -webkit-backdrop-filter: blur(10px);
       backdrop-filter: blur(10px);
       border: 1px solid rgba(255, 255, 255, 0.18);
   }

   [data-theme="dark"] .glass {
       background: rgba(30, 30, 30, 0.7);
       border: 1px solid rgba(255, 255, 255, 0.05);
   }

   .main-header {
       position: fixed;
       top: 0;
       left: 0;
       width: 100%;
       z-index: 1000;
       padding: 1rem 0;
       transition: var(--transition);
   }

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

   .logo {
       font-size: 1.5rem;
       font-weight: 800;
       font-family: var(--font-heading);
       color: var(--clr-primary);
       display: flex;
       align-items: center;
       gap: 0.5rem;
   }

   .nav-links {
       display: flex;
       align-items: center;
       gap: 2rem;
   }

   .nav-links a {
       font-weight: 500;
       font-size: 1rem;
       color: var(--clr-heading);
   }

   .nav-links a:hover,
   .nav-links a.active {
       color: var(--clr-primary);
   }

   .theme-toggle {
       background: none;
       border: none;
       font-size: 1.2rem;
       cursor: pointer;
       color: var(--clr-heading);
       display: flex;
       align-items: center;
       justify-content: center;
   }

   .mobile-menu-btn {
       display: none;
       background: none;
       border: none;
       cursor: pointer;
       flex-direction: column;
       gap: 5px;
   }

   .mobile-menu-btn span {
       width: 25px;
       height: 3px;
       background-color: var(--clr-heading);
       transition: var(--transition);
   }

   @media (max-width: 768px) {
       .nav-links {
           display: none;
           position: absolute;
           top: 100%;
           left: 0;
           width: 100%;
           background-color: var(--clr-surface);
           flex-direction: column;
           padding: 2rem 0;
           box-shadow: var(--shadow-md);
           z-index: 10;
       }

       .nav-links.show {
           display: flex;
       }

       .mobile-menu-btn {
           display: flex;
       }

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

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

   .hero {
    position: relative;
    padding: 160px 0 100px;
    min-height: 80vh;
    display: flex;
    align-items: center;
    color: #fff;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -2;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
   .hero-video {
       position: absolute;
       top: 50%;
       left: 50%;
       transform: translate(-50%, -50%);
       min-width: 100%;
       min-height: 100%;
       z-index: -2;
       object-fit: cover;
   }

   .hero-overlay {
       position: absolute;
       inset: 0;
       background: linear-gradient(to bottom, rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.9));
       z-index: -1;
   }

   .hero-content {
       color: #fff;
       max-width: 800px;
   }

   .hero h1 {
       color: #fff;
       font-size: clamp(2.5rem, 5vw, 4rem);
       margin-bottom: 1rem;
   }

   .hero p {
       font-size: 1.2rem;
       color: #cbd5e1;
       margin-bottom: 2rem;
   }

   .hero-cta {
       display: flex;
       gap: 1rem;
       justify-content: center;
   }

   .service-card {
       background-color: var(--clr-surface);
       padding: 2rem;
       border-radius: var(--radius-lg);
       box-shadow: var(--shadow-md);
       border: 1px solid var(--clr-border);
       transition: var(--transition);
       text-align: center;
   }

   .service-card:hover {
       transform: translateY(-5px);
       border-color: var(--clr-primary);
   }

   .service-icon {
       font-size: 2.5rem;
       color: var(--clr-primary);
       margin-bottom: 1rem;
   }

   .carousel-container {
       position: relative;
       max-width: 800px;
       margin: 0 auto;
       overflow: hidden;
       background-color: var(--clr-surface);
       border-radius: var(--radius-lg);
       box-shadow: var(--shadow-md);
       border: 1px solid var(--clr-border);
   }

   .carousel-slide {
       display: none;
       padding: 3rem;
       text-align: center;
       animation: fade 0.5s ease-in-out;
   }

   .carousel-slide.active {
       display: block;
   }

   .carousel-slide p {
       font-size: 1.1rem;
       font-style: italic;
       margin-bottom: 1.5rem;
   }

   .carousel-slide h4 {
       margin-bottom: 0.2rem;
   }

   .carousel-slide span {
       color: var(--clr-text);
       font-size: 0.9rem;
   }

   .carousel-controls {
       display: flex;
       justify-content: center;
       gap: 1rem;
       margin-top: 1.5rem;
   }

   .carousel-dot {
       width: 12px;
       height: 12px;
       border-radius: 50%;
       background-color: var(--clr-border);
       cursor: pointer;
       transition: var(--transition);
   }

   .carousel-dot.active {
       background-color: var(--clr-primary);
   }

   @keyframes fade {
       from {
           opacity: 0;
       }

       to {
           opacity: 1;
       }
   }


.main-footer {
    background-color: var(--clr-surface);
    color: var(--clr-text);
    padding: 5rem 0 2rem;
    border-top: 1px solid var(--clr-border);
}

.main-footer h3 {
    color: var(--clr-heading);
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.main-footer h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--clr-primary);
}

.main-footer a {
    color: var(--clr-text);
    transition: var(--transition);
}

.main-footer a:hover {
    color: var(--clr-primary);
    padding-left: 5px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-about p {
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.social-links {
    display: flex;
    gap: 1.2rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    color: var(--clr-primary);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--clr-primary);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--clr-border);
    color: var(--clr-text);
    opacity: 0.7;
    font-size: 0.9rem;
}

.fade-in {
    animation: fadeIn 1s ease-out;
}

.project-overlay h3 {
    color: white;
    margin-bottom: 0;
}

.project-overlay p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}