:root {
    --primary-color: #FFB800; /* Construction Yellow/Orange */
    --primary-hover: #E6A600;
    --secondary-color: #1A1A1A; /* Dark */
    --text-color: #4A4A4A;
    --text-light: #7A7A7A;
    --bg-light: #F8F9FA;
    --white: #FFFFFF;
    --black: #000000;
    --transition: all 0.3s ease-in-out;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

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

.section-padding {
    padding: 80px 0;
}

.bg-light {
    background-color: var(--bg-light);
}

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

.subtitle {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-heading);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(255, 184, 0, 0.3);
}

.w-100 {
    width: 100%;
}

/* Top Bar */
.top-bar {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 10px 0;
    font-size: 0.85rem;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1001;
}

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

.top-bar-left, .top-bar-right {
    display: flex;
    gap: 20px;
}

.top-bar i {
    color: var(--primary-color);
    margin-right: 5px;
}

.top-bar a:hover {
    color: var(--primary-color);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 40px;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 10px 0;
    background-color: var(--white);
    top: 0;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    font-weight: 800;
    letter-spacing: 1px;
}

.logo span {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    font-size: 1rem;
    position: relative;
}

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

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

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

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--secondary-color);
}

/* Hero Slider */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    margin-top: 0;
}

.slider-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease-in-out, transform 1s cubic-bezier(0.25, 0.8, 0.25, 1);
    transform: translateX(3%);
}

.slide.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    z-index: -2;
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 8%; /* Center-left positioning */
    transform: translateY(-50%);
    max-width: 650px;
    z-index: 10;
    /* Elegant Glassmorphism */
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 50px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-left: 6px solid var(--primary-color);
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.slide-content h2 {
    color: var(--white);
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
    font-weight: 800;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.4);
}

.slide-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
    font-weight: 500;
}

/* Slider Controls */
.slider-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.2);
    color: var(--white);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 20;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.slider-control:hover {
    background: var(--primary-color);
    color: var(--secondary-color);
}

.slider-control.prev {
    left: 20px;
}

.slider-control.next {
    right: 20px;
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 20;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--primary-color);
    transform: scale(1.2);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100px;
    height: 100px;
    background-color: var(--primary-color);
    z-index: -1;
    border-radius: 8px;
}

.about-image img {
    border-radius: 8px;
    transition: transform 0.5s ease;
}

.about-image:hover img {
    transform: scale(1.03);
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.about-text > p {
    margin-bottom: 30px;
    font-size: 1.05rem;
}

.mission-vision {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mv-box {
    display: flex;
    gap: 20px;
    background: var(--white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.mv-box:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.mv-icon {
    font-size: 2rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.mv-box h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.mv-box p {
    font-size: 0.95rem;
    color: var(--text-light);
}

/* Services */
.section-title {
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: var(--transition);
    position: relative;
    top: 0;
}

.service-card:hover {
    top: -10px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.service-img {
    height: 220px;
    overflow: hidden;
}

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

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

.service-content {
    padding: 30px;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
}

.service-card:hover .service-content {
    border-bottom-color: var(--primary-color);
}

.service-content h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.service-content p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contact-info > p {
    margin-bottom: 30px;
    font-size: 1.05rem;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-list li {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.info-list i {
    font-size: 1.5rem;
    color: var(--primary-color);
    background: rgba(255, 184, 0, 0.1);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.info-list strong {
    display: block;
    color: var(--secondary-color);
    font-family: var(--font-heading);
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.info-list span, .info-list a {
    color: var(--text-light);
}

.info-list a:hover {
    color: var(--primary-color);
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #E0E0E0;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--bg-light);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: var(--white);
    box-shadow: 0 0 0 3px rgba(255, 184, 0, 0.1);
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    color: var(--white);
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.footer-col h3 span {
    color: var(--primary-color);
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 30px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-col p {
    color: #A0A0A0;
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
}

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

.social-links a:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    transform: translateY(-3px);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col ul li {
    color: #A0A0A0;
}

.footer-col ul a {
    color: #A0A0A0;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
    color: #A0A0A0;
    font-size: 0.9rem;
}

/* WhatsApp Float */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-btn:hover {
    background-color: #128C7E;
    transform: scale(1.1);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Responsive */
@media (max-width: 991px) {
    .slide-content h2 {
        font-size: 2.8rem;
    }
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
    }
    .about-image {
        order: -1;
    }
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .top-bar {
        display: none;
    }
    .navbar {
        top: 0;
    }
    .hamburger {
        display: block;
    }
    .nav-links {
        position: absolute;
        top: 80px;
        left: -100%;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 30px 0;
        gap: 20px;
        box-shadow: 0 10px 10px rgba(0,0,0,0.05);
        transition: 0.4s ease;
    }
    .nav-links.active {
        left: 0;
    }
    .slide-content {
        left: 5%;
        right: 5%;
    }
    .slide-content h2 {
        font-size: 2.2rem;
    }
    .footer-content {
        grid-template-columns: 1fr;
    }
}