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

:root {
    --primary-blue: #1e3a8a;
    --secondary-blue: #3b82f6;
    --light-blue: #60a5fa;
    --dark-blue: #1e40af;
    --white: #ffffff;
    --off-white: #f8fafc;
    --light-gray: #e2e8f0;
    --text-dark: #1e293b;
    --text-light: #64748b;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 15px 0;
}

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

.logo-placeholder {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    padding: 12px 25px;
    font-size: 24px;
    font-weight: bold;
    border-radius: 8px;
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

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

.nav-menu a:hover {
    color: var(--secondary-blue);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--secondary-blue);
    transition: width 0.3s;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.9), rgba(59, 130, 246, 0.8)),
                url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    position: relative;
}

.hero-content {
    z-index: 2;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out;
}

.tagline {
    font-size: 2rem;
    font-weight: 300;
    letter-spacing: 3px;
    animation: fadeInUp 1s ease-out 0.3s backwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about h2 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
}

.about h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--secondary-blue);
}

.about p {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.about-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.about-images img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

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

/* Vision & Mission Section */
.vision-mission {
    padding: 100px 0;
    background: var(--off-white);
}

.section-title {
    text-align: center;
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 60px;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--secondary-blue);
}

.vm-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.vm-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.vm-card:hover {
    transform: translateY(-10px);
}

.vm-image {
    height: 250px;
    overflow: hidden;
}

.vm-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

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

.vm-content {
    padding: 30px;
}

.vm-content h3 {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.vm-content p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Projects Section */
.projects {
    padding: 100px 0;
    background: var(--white);
}

.project-category {
    margin-bottom: 80px;
}

.category-title {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 40px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--secondary-blue);
}

.project-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 40px;
}

.project-text h4 {
    font-size: 1.8rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.project-text p {
    color: var(--text-light);
    line-height: 1.8;
}

.project-images {
    display: grid;
    gap: 20px;
}

.project-images img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.signature-projects h4,
.luxury-villas-completed h4 {
    font-size: 1.8rem;
    color: var(--primary-blue);
    margin-bottom: 30px;
}

.signature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.signature-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.signature-card:hover {
    transform: translateY(-10px);
}

.signature-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.signature-info {
    padding: 20px;
    background: var(--off-white);
}

.signature-info h5 {
    font-size: 1.2rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.signature-info p {
    color: var(--text-light);
}

.luxury-villas-completed p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 30px;
}

.villa-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.villa-gallery img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

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

/* ELC Section */
.elc {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    color: var(--white);
}

.elc .section-title {
    color: var(--white);
}

.elc .section-title::after {
    background: var(--white);
}

.elc-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.elc-text p {
    font-size: 1.1rem;
    line-height: 1.8;
}

.elc-logo {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.elc-logo img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.elc-logo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(30, 58, 138, 0.85);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.elc-logo-overlay h3 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 30px;
    letter-spacing: 2px;
}

.elc-tagline {
    font-size: 1.5rem;
    text-align: center;
    letter-spacing: 3px;
    font-weight: 300;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--off-white);
}

.contact-subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 60px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 20px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.contact-item:hover {
    transform: translateX(10px);
}

.contact-icon {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 10px;
}

.contact-item h4 {
    color: var(--primary-blue);
    margin-bottom: 5px;
}

.contact-item p {
    color: var(--text-light);
}

.contact-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Footer */
.footer {
    background: var(--primary-blue);
    color: var(--white);
    text-align: center;
    padding: 30px 0;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero h1 {
        font-size: 3rem;
    }

    .tagline {
        font-size: 1.5rem;
    }

    .about-grid,
    .vm-grid,
    .project-content,
    .elc-content,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .signature-grid,
    .villa-gallery {
        grid-template-columns: repeat(2, 1fr);
    }

    .nav-menu {
        gap: 15px;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .signature-grid,
    .villa-gallery {
        grid-template-columns: 1fr;
    }

    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
}