html { scroll-behavior: smooth; }
body { font-family: 'Helvetica', 'Arial', sans-serif; margin: 0; background-color: #ffffff; color: #333; }
header { background-color: rgba(255, 255, 255, 0.9); backdrop-filter: blur(10px); padding: 1rem 5%; box-shadow: 0 2px 4px rgba(0,0,0,0.05); position: fixed; width: 90%; top: 0; left: 0; z-index: 1000; }
nav { display: flex; justify-content: space-between; align-items: center; height: 50px; }
.logo a { text-decoration: none; font-size: 1.8rem; font-weight: bold; color: #0056b3; letter-spacing: -1px; }
nav ul { list-style: none; margin: 0; padding: 0; display: flex; }
nav ul li { margin-left: 2rem; }
nav ul li a { text-decoration: none; color: #333; font-weight: bold; transition: color 0.3s ease; }
nav ul li a:hover { color: #0056b3; }
main { padding-top: 82px; }
.section-title { font-size: 2.8rem; color: #0056b3; margin-bottom: 1rem; text-align: center; }
.section-subtitle { font-size: 1.1rem; text-align: center; color: #555; max-width: 600px; margin: 0 auto 4rem auto; }

/* Hero Section - MIND-BLOWING GRAND DESIGN */
.hero { position: relative; min-height: 95vh; box-sizing: border-box; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 4rem 2rem; overflow: hidden; background-color: #f8f9fa; }
#hero-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; }
.glass-panel { position: relative; z-index: 2; background-color: rgba(255, 255, 255, 0.6); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); padding: 3rem; border-radius: 20px; border: 1px solid rgba(255, 255, 255, 0.2); box-shadow: 0 20px 50px rgba(0,0,0,0.1); transition: transform 0.3s ease-out; }
.hero-content { animation: slideUpFadeIn 0.7s ease-out forwards; opacity: 0; }
.hero-content h1 { font-size: 4rem; line-height: 1.1; color: #0056b3; margin-bottom: 1rem; }
.hero-content .tagline { font-size: 1.3rem; line-height: 1.6; margin-bottom: 2.5rem; max-width: 600px; margin-left: auto; margin-right: auto; }
.hero-credibility-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; max-width: 800px; margin: 0 auto 2.5rem auto; }
.credibility-item { text-align: center; }
.credibility-item .credibility-value { font-size: 2.8rem; font-weight: bold; color: #0056b3; line-height: 1; }
.credibility-item p { margin: 0.5rem 0 0 0; color: #555; font-size: 0.9rem; }
.hero-buttons { display: flex; justify-content: center; gap: 1rem; }
.cta-button { background-color: #0056b3; color: #ffffff; padding: 1rem 2.5rem; border-radius: 50px; text-decoration: none; font-weight: bold; display: inline-block; transition: all 0.3s ease; border: none; font-size: 1rem; cursor: pointer; }
.cta-button:hover { background-color: #004494; transform: translateY(-3px); }
.cta-button-secondary { background-color: transparent; color: #0056b3; padding: 1rem 2.5rem; border-radius: 50px; text-decoration: none; font-weight: bold; display: inline-block; transition: all 0.3s ease; border: 1px solid #0056b3; }
.cta-button-secondary:hover { background-color: #0056b3; color: #ffffff; transform: translateY(-3px); }

/* Timeline Section */
.timeline-section { padding: 6rem 5%; background-color: #ffffff; }
.timeline { position: relative; max-width: 1000px; margin: 0 auto; }
.timeline::after { content: ''; position: absolute; width: 4px; background-color: #dee2e6; top: 0; bottom: 0; left: 50%; margin-left: -2px; z-index: 1; }
.timeline-item { padding: 10px 40px; position: relative; background-color: inherit; width: 50%; box-sizing: border-box; }
.timeline-item::after { content: ''; position: absolute; width: 20px; height: 20px; right: -12px; background-color: white; border: 4px solid #0056b3; top: 15px; border-radius: 50%; z-index: 2; }
.timeline-item:nth-child(odd) { left: 0; }
.timeline-item:nth-child(even) { left: 50%; }
.timeline-item:nth-child(even)::after { left: -12px; }
.timeline-content { padding: 20px 30px; background-color: #f8f9fa; position: relative; border-radius: 8px; border: 1px solid #e9ecef; }
.timeline-content h3 { margin-top: 0; color: #0056b3; }

/* Services Section */
.services { padding: 6rem 5%; background-color: #f8f9fa; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }
.service-card { background-color: #ffffff; padding: 2.5rem; text-align: center; border-radius: 10px; border: 1px solid #e9ecef; transition: all 0.3s ease; }
.service-card:hover { transform: translateY(-10px); box-shadow: 0 20px 50px rgba(0, 86, 179, 0.1); border-color: #0056b3; }
.service-icon { font-size: 3rem; color: #0056b3; margin-bottom: 1.5rem; line-height: 1; }
.service-card h4 { font-size: 1.4rem; margin-bottom: 1rem; color: #333; }
.service-card p { font-size: 1rem; line-height: 1.6; color: #555; }

/* Portfolio Section */
.portfolio-section { padding: 6rem 5%; background-color: #ffffff; }
.portfolio-filters { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem; margin-bottom: 3rem; }
.filter-btn { background-color: transparent; color: #555; padding: 0.5rem 1.5rem; border: 1px solid #ddd; border-radius: 30px; font-weight: bold; cursor: pointer; transition: all 0.3s ease; }
.filter-btn:hover { background-color: #e9ecef; color: #0056b3; }
.filter-btn.active { background-color: #0056b3; color: white; border-color: #0056b3; }
.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; }
.project-card { background-color: #ffffff; border-radius: 10px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.08); transition: all 0.4s ease-out; }
.project-card.hide { transform: scale(0.8); opacity: 0; height: 0; padding: 0; margin: 0; border: 0; font-size: 0; }
.project-card img { width: 100%; height: 220px; object-fit: cover; }
.project-info { padding: 1.5rem; }
.project-info h3 { margin-top: 0; margin-bottom: 0.5rem; font-size: 1.4rem; color: #333; }
.project-info p { font-size: 1rem; color: #555; line-height: 1.6; margin-bottom: 1.5rem; }
.project-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.project-tags span { background-color: #e9ecef; color: #555; padding: 0.3rem 0.8rem; border-radius: 20px; font-size: 0.8rem; font-weight: bold; }

/* Locations Section */
.locations-section { padding: 6rem 5%; background-color: #f8f9fa; }
.locations-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.location-card { background-color: #ffffff; border: 1px solid #e9ecef; padding: 2rem; border-radius: 10px; text-align: center; }
.location-card h3 { font-size: 1.5rem; color: #0056b3; margin-top: 0; margin-bottom: 1rem; }
.location-card p { font-size: 1rem; color: #555; line-height: 1.6; margin-bottom: 1.5rem; }
.location-card a { font-weight: bold; color: #0056b3; text-decoration: none; }
.location-card a:hover { text-decoration: underline; }

/* Call to Action Section */
.cta-section { text-align: center; padding: 6rem 2rem; background-color: #0056b3; color: white; background-image: linear-gradient(rgba(0, 86, 179, 0.9), rgba(0, 68, 148, 0.9)), url('https://images.pexels.com/photos/546819/pexels-photo-546819.jpeg'); background-size: cover; background-position: center; }
.cta-section h2 { font-size: 2.5rem; margin-bottom: 1rem; }
.cta-section p { font-size: 1.2rem; margin-bottom: 2rem; opacity: 0.9; }
.cta-section .cta-button { background-color: white; color: #0056b3; }

/* Footer & Contact Section */
footer { background-color: #343a40; color: white; padding: 6rem 5% 2rem 5%; }
.footer-container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 3rem; margin-bottom: 4rem; }
.footer-about { flex: 2; min-width: 300px; }
.footer-about h3 { font-size: 1.8rem; margin-bottom: 1rem; }
.footer-about p { font-size: 1rem; line-height: 1.6; opacity: 0.8; }
.footer-social { margin-top: 1.5rem; display: flex; gap: 1rem; align-items: center; }
.footer-social a { text-decoration: none; opacity: 0.8; transition: opacity 0.3s ease; }
.footer-social a:hover { opacity: 1; }
.footer-social img { height: 24px; }
.footer-contact { flex: 1; min-width: 300px; }
.footer-contact h3 { font-size: 1.8rem; margin-bottom: 1rem; }
.footer-contact form { display: flex; flex-direction: column; gap: 1rem; }
.footer-contact input, .footer-contact textarea { font-family: 'Helvetica', 'Arial', sans-serif; font-size: 1rem; padding: 0.8rem; border: 1px solid #555; background-color: #444; color: white; border-radius: 5px; }
.footer-contact input::placeholder, .footer-contact textarea::placeholder { color: #aaa; }
.footer-bottom { text-align: center; border-top: 1px solid #555; padding-top: 2rem; opacity: 0.7; }

/* WhatsApp Floating Button */
.whatsapp-fab { position: fixed; width: 60px; height: 60px; bottom: 30px; right: 30px; background-color: #25D366; color: #FFF; border-radius: 50px; text-align: center; box-shadow: 2px 2px 10px rgba(0,0,0,0.2); z-index: 100; display: flex; align-items: center; justify-content: center; transition: transform 0.3s ease; }
.whatsapp-fab:hover { transform: scale(1.1); }
.whatsapp-fab svg { width: 32px; height: 32px; }

/* Quote Modal */
.modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0,0,0,0.6); animation: fadeIn 0.3s ease; }
.modal-content { background-color: #fefefe; margin: 10% auto; padding: 2rem 3rem; border-radius: 10px; max-width: 500px; position: relative; box-shadow: 0 5px 25px rgba(0,0,0,0.2); animation: slideUpFadeIn 0.4s ease-out; }
.close-button { color: #aaa; float: right; font-size: 28px; font-weight: bold; cursor: pointer; }
.close-button:hover, .close-button:focus { color: black; }
.modal-content h2 { font-size: 2rem; color: #0056b3; margin-bottom: 1rem; }
.modal-content p { margin-bottom: 2rem; color: #555; }
.modal-content form { display: flex; flex-direction: column; gap: 1rem; }
.modal-content input, .modal-content textarea, .modal-content select { font-family: 'Helvetica', 'Arial', sans-serif; font-size: 1rem; padding: 0.8rem; border: 1px solid #ccc; border-radius: 5px; width: 100%; box-sizing: border-box; }
.modal-content select { appearance: none; -webkit-appearance: none; -moz-appearance: none; background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23007CB2%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E'); background-repeat: no-repeat; background-position: right .7em top 50%; background-size: .65em auto; }

/* Animation Keyframes and Classes */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUpFadeIn { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* Responsive Design */
@media (max-width: 992px) {
    .hero { text-align: center; flex-direction: column; }
    .hero-content h1 { font-size: 3rem; }
    .hero-credibility-grid { grid-template-columns: 1fr; }
    .timeline::after { left: 31px; }
    .timeline-item { width: 100%; padding-left: 70px; padding-right: 25px; }
    .timeline-item:nth-child(even) { left: 0; }
    .timeline-item::after, .timeline-item:nth-child(even)::after { left: 15px; }
}

@media (max-width: 768px) {
    nav ul { display: none; }
    .hero-content h1 { font-size: 2.5rem; }
    .hero-buttons { flex-direction: column; }
}