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

:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* Main Content */
main {
    margin-top: 80px;
}

.section {
    padding: 4rem 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */

.hero {
    position: relative;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

.hero-content {
    position: relative;
    color: white;    
    text-align: center;
    padding-top: 200px ;
    top: 10%;
    transform: translateY(-10%);
    z-index: 2;
}

/* Optional: dark overlay for better text contrast */
.hero::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    z-index: 1;
}
/* .hero {
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.9), rgba(59, 130, 246, 0.8)), 
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><rect fill="%23f0f4f8" width="1200" height="800"/><g fill="%23e2e8f0" opacity="0.3"><circle cx="200" cy="200" r="80"/><circle cx="600" cy="150" r="60"/><circle cx="1000" cy="300" r="100"/><rect x="100" y="400" width="200" height="150" rx="10"/><rect x="400" y="350" width="300" height="200" rx="15"/><rect x="800" y="450" width="250" height="180" rx="12"/></g></svg>') center/cover;
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    position: relative;
} */

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, #ffffff, #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content .tagline {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

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

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    text-align: center;
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    background: #d97706;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

/* About Section */
.about {
    background: var(--bg-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-content h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.about-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: scale(1.05);
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-item:hover .stat-number {
    color: var(--accent-color);
}

.stat-label {
    color: var(--text-light);
    font-size: 0.9rem;
}

.about-image {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.about-image::before,
.project-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s;
}

.about-image:hover::before,
.project-card:hover .project-image::before {
    left: 100%;
}

.slider {
  overflow: hidden;
  position: relative;
  width: 100%;
  height: 350px; /* fixed height for container */
  border-radius: 12px;
}

.slide-track {
  display: flex;
  align-items: center;   /* vertically center images */
  width: calc(280px * 28); /* adjust width for smoother scroll */
  animation: scroll 30s linear infinite; /* constant sliding */
}

.slide-track img {
  max-height: 350px;   /* set a max height for uniform row */
  width: auto;         /* auto-adjust width to keep aspect ratio */
  flex-shrink: 0;
  object-fit: contain; /* ensures full image is shown */
  background: #000;    /* optional: fill gaps with black */
  margin-right: 10px;  /* spacing between images */
  border-radius: 8px;
}

@keyframes scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}


/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--white);
    font-size: 2rem;
    transition: all 0.3s ease;
    animation: float 3s ease-in-out infinite;
}

.service-card:hover .service-icon {
    transform: scale(1.1) translateY(-5px);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Projects Section */
.projects {
    background: var(--bg-light);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.project-image {
    height: 250px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.project-content {
    padding: 1.5rem;
}

.project-title {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.project-client {
    color: var(--accent-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.project-description {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Clients Section */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.client-logo {
    background: var(--white);
    border-radius: 5px;
    padding: 5rem;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 140px;
    color: var(--text-light);
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.client-logo {
    flex: 0 0 auto;
     margin: 0 2rem;
     display: flex;
     align-items: center;
     justify-content: center;
     height: 140px;
     width: 140px;
     background: var(--white);
     border-radius: 10px;
     box-shadow: var(--shadow);
     transition: transform 0.3s ease;
}

.client-logo img {
    max-height: 100px;
    max-width: 120px;
    object-fit: contain;
}
@keyframes scroll-left {
    0% {
        transform: translateX(0);
        }
    100% {
        transform: translateX(-40%);
        }
}

.clients-marquee-wrapper {
    width: 100%;
    overflow: hidden;
    position: relative;
    background: var(--white);
    padding: 2rem 0; 
}
.marquee-track {
    display: flex;
    width: max-content;
    animation: scroll-left 40s linear infinite;
}

.client-logo:hover {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: scale(1.05) translateY(-2px);
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow);
    position: relative;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.testimonial-quote {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: bold;
}

.author-info h4 {
    color: var(--primary-color);
    font-size: 1rem;
}

.author-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.stars {
    color: var(--accent-color);
    margin-top: 0.5rem;
}

/* Contact Section */
.contact {
    background: var(--bg-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-form {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
    transform: translateY(-1px);
}

.contact-info {
    padding: 2rem 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all 0.3s ease;
}

.contact-item:hover .contact-icon {
    background: var(--secondary-color);
    transform: scale(1.1);
}

.map-container {
    background: #e5e7eb;
    border-radius: 15px;
    height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    margin-top: 2rem;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-color), #1e40af);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: 0.5rem;
    display: block;
}

.footer-section a:hover {
    color: var(--white);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--accent-color);
    transform: translateY(-2px) rotate(5deg);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Animation classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.section {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

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

/* Ripple effect */
.btn {
    position: relative;
    overflow: hidden;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Navigation effects */
.nav-link {
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(30, 58, 138, 0.1), transparent);
    transition: left 0.5s;
}

.nav-link:hover::before {
    left: 100%;
}

/* 1. Tag the elements on services.html that will transition */
#architectural-card {
    view-transition-name: service-card-expand;
    contain: layout; /* Helps browser optimize */
}
#architectural-icon {
    view-transition-name: service-icon-to-hero;
    contain: layout;
}

/* 2. Tag the elements on architectural.html that will receive the transition */
.service-content-wrapper {
    view-transition-name: service-card-expand;
    contain: layout;
    width: 100%; /* Ensure it takes full width */
}
.service-hero-image {
    view-transition-name: service-icon-to-hero;
    contain: layout;
}

/* 3. Style the new elements on the architectural.html page */
.service-hero-image {
    height: 40vh;
    width: 100%;
    /* Use a high-quality background image here */
    background-image: linear-gradient(rgba(30, 58, 138, 0.7), rgba(30, 58, 138, 0.7)), url('https://images.unsplash.com/photo-1487958449943-2429e8be8625?q=80&w=2070');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}
.service-hero-image h1 {
    font-size: 3rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.service-card-link {
    text-decoration: none;
    color: inherit;
}

.service-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}
.detail-item {
    text-align: center;
}
.detail-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* 4. Customize the animation */
@keyframes fade-in {
  from { opacity: 0; }
}
@keyframes slide-from-right {
  from { transform: translateX(30px); }
}

::view-transition-new(service-card-expand) {
  animation: 350ms ease-in-out both fade-in, 350ms ease-in-out both slide-from-right;
}

.nav-link {
        display: inline-block; /* Ensures padding is respected correctly */
        padding: 1px 5px; /* Adjust vertical and horizontal padding as needed */
        text-decoration: none;
        color: var(--text-dark);
        transition: color 0.3s ease;
    }

/* Responsive Design */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 0;
        box-shadow: var(--shadow);
    }

    .nav-menu.active {
        display: flex;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

    .container {
        padding: 0 1rem;
    }

    .hero {
        background-attachment: scroll;
    }
}

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Utility classes */
.text-center {
    text-align: center;
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

/* General Project Card Styling */
.project-card {
    background-color: #ffffff;
    border-radius: 16px; /* Softer, more rounded corners */
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08); /* A more subtle shadow */
    overflow: hidden; /* Ensures the image corners are also rounded */
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* Image Slider Container */
.project-image-slider {
    position: relative;
    width: 100%;
    height: 220px; /* Adjust height for a better aspect ratio */
    overflow: hidden;
}

.slider-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Ensures images fill the container without distortion */
}

/* Card Content Area */
.project-content {
    padding: 1.5rem; /* Standardized padding */
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

/* Project Title */
.project-title {
    font-size: 1.25rem;
    font-weight: 600; /* Bolder title */
    color: #1a202c; /* Darker text color for better contrast */
    margin-bottom: 0.25rem;
}

/* Client Name Styling */
.project-client {
    font-size: 0.9rem;
    font-weight: 500;
    color: #c08b5c; /* The specific golden/orange color from the image */
    margin-bottom: 1rem;
}

/* Project Description Text */
.project-description {
    font-size: 0.95rem;
    color: #4a5568; /* A softer grey for the body text */
    line-height: 1.6;
    flex-grow: 1; /* Pushes the details to the bottom */
    margin-bottom: 1rem;
}

/* Project Details (Scale, Size, etc.) */
.project-details {
    font-size: 0.85rem;
    color: #718096; /* Lighter grey for less important text */
    border-top: 1px solid #e2e8f0; /* A subtle separator line */
    padding-top: 1rem;
    margin-top: auto; /* Pushes it to the very bottom */
}