/* Basic Reset & Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #007bff;
    --dark-blue: #0056b3;
    --light-grey: #f8f9fa;
    --dark-text: #343a40;
    --white: #ffffff;
    --grey-text: #6c757d;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark-blue);
}

p {
    margin-bottom: 1rem;
    color: var(--grey-text);
}

a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--dark-blue);
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 30px;
    font-weight: 600;
    text-align: center;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--dark-blue);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

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

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

/* Navigation Bar */
.navbar {
    background-color: var(--white);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    height: 150px; /* As per requirement */
    max-width: 100%;
    display: block;
}

.logo-link {
    display: flex;
    align-items: center;
}

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

.nav-links a {
    color: var(--dark-text);
    font-weight: 600;
    padding: 5px 0;
    position: relative;
}

.nav-links a:after {
    content: '';
    position: absolute;
    width: 0%;
    height: 2px;
    display: block;
    margin-top: 5px;
    right: 0;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

.nav-links a:hover:after {
    width: 100%;
    left: 0;
    background: var(--dark-blue);
}

.hamburger {
    display: none;
    font-size: 28px;
    color: var(--dark-blue);
    cursor: pointer;
    z-index: 1001;
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
    padding: 20px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-content .company-name {
    font-size: 4em;
    margin-bottom: 0.5rem;
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
}

.hero-content .tagline {
    font-size: 1.8em;
    margin-bottom: 2rem;
    font-weight: 400;
    color: var(--white);
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

/* About Us Section */
.about-section h2 {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 30px;
}

.about-section .mission-statement {
    font-size: 1.2em;
    font-weight: 600;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--dark-blue);
}

.about-section p {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-align: justify;
}

/* Services Section */
.services-section h2 {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 30px;
}

.services-section .section-summary {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 40px auto;
    font-size: 1.1em;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-item {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.service-icon {
    font-size: 3em;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.service-item h3 {
    font-size: 1.5em;
    color: var(--dark-blue);
    margin-bottom: 10px;
}

.service-item p {
    font-size: 0.95em;
    color: var(--grey-text);
}

/* Contact Section */
.contact-section h2 {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 30px;
}

.contact-section p {
    text-align: center;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin-bottom: 40px;
}

.contact-info p {
    margin: 0;
    font-size: 1.1em;
    color: var(--dark-text);
}

.contact-info i {
    color: var(--primary-blue);
    margin-right: 10px;
    font-size: 1.2em;
}

.social-media {
    display: flex;
    justify-content: center;
    gap: 25px;
}

.social-media a {
    font-size: 2.5em;
    color: var(--dark-blue);
    transition: color 0.3s ease, transform 0.3s ease;
}

.social-media a:hover {
    color: var(--primary-blue);
    transform: translateY(-3px);
}

/* Contact Form Section */
.form-section h2 {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 30px;
}

.form-section p {
    text-align: center;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.form-section form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-text);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ced4da;
    border-radius: 8px;
    font-size: 1em;
    color: var(--dark-text);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
    outline: none;
}

.form-group textarea {
    resize: vertical;
}

.form-section .btn-primary {
    width: auto;
    display: block;
    margin-top: 20px;
}

/* Footer */
footer {
    background-color: var(--dark-blue);
    color: var(--white);
    padding: 40px 0;
    text-align: center;
    font-size: 0.9em;
}

footer p {
    margin-bottom: 5px;
    color: var(--white);
}

footer a {
    color: var(--primary-blue);
    font-weight: 600;
}

footer a:hover {
    color: var(--white);
    text-decoration: underline;
}

/* Mobile Responsiveness */
@media (max-width: 992px) {
    .navbar .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%; /* Below the navbar */
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: 0 8px 16px rgba(0,0,0,0.1);
        padding: 20px 0;
        border-top: 1px solid var(--light-grey);
    }

    .navbar .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: 10px 20px;
        text-align: center;
        width: 100%;
    }

    .nav-links a:after {
        display: none; /* Hide hover line on mobile */
    }

    .nav-links .btn-primary {
        margin-top: 10px;
        width: fit-content;
        align-self: center;
    }

    .hamburger {
        display: block;
    }

    .hero-content .company-name {
        font-size: 3em;
    }

    .hero-content .tagline {
        font-size: 1.5em;
    }

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

    .section-padding {
        padding: 60px 0;
    }

    .form-section form {
        padding: 25px;
    }
}

@media (max-width: 768px) {
    .logo {
        height: 120px;
    }

    .hero-section {
        height: 60vh;
    }

    .hero-content .company-name {
        font-size: 2.5em;
    }

    .hero-content .tagline {
        font-size: 1.2em;
    }

    h2 {
        font-size: 2em;
    }

    .service-item h3 {
        font-size: 1.3em;
    }

    .contact-info p, .form-group label {
        font-size: 1em;
    }

    .social-media a {
        font-size: 2em;
    }
}

@media (max-width: 480px) {
    .logo {
        height: 100px;
    }

    .hero-section {
        height: 50vh;
    }

    .hero-content .company-name {
        font-size: 2em;
    }

    .hero-content .tagline {
        font-size: 1em;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9em;
    }

    .section-padding {
        padding: 40px 0;
    }

    h2 {
        font-size: 1.8em;
    }

    .service-icon {
        font-size: 2.5em;
    }

    .contact-info p, .form-group label {
        font-size: 0.9em;
    }

    .social-media a {
        font-size: 1.8em;
    }
}