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

:root {
    --primary-color: #1e73be;
    --secondary-color: #f39c12;
    --dark-color: #333;
    --light-color: #f4f4f4;
    --white: #fff;
    --gray: #666;
}

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

/* Header Styles */
header {
    background: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 50px;
    max-width: 1400px;
    margin: 0 auto;
}

.logo img {
    width: 147px;
    height: 125px;
    object-fit: contain;
}

/* Navigation */
nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

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

.nav-menu li {
    position: relative;
}

.nav-menu a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    padding: 10px 15px;
    display: block;
    transition: color 0.3s;
}

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

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 250px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    list-style: none;
    z-index: 100;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li {
    border-bottom: 1px solid var(--light-color);
}

.dropdown-menu a {
    padding: 12px 20px;
}

.dropdown-menu a:hover {
    background: var(--light-color);
}

/* Quote Button */
.quote-btn {
    background: var(--primary-color);
    color: var(--white);
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: background 0.3s;
    text-decoration: none;
    display: inline-block;
}

.quote-btn:hover {
    background: #155a8a;
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 120px 50px;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    max-width: 800px;
    margin: 0 auto 30px;
}

/* Section Styles */
.section {
    padding: 80px 50px;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: var(--dark-color);
}

.section-subtitle {
    text-align: center;
    color: var(--gray);
    margin-bottom: 40px;
    font-size: 18px;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    align-items: center;
}

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

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

/* Card Styles */
.card {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 24px;
}

.card p {
    color: var(--gray);
    line-height: 1.8;
}

.card ul {
    color: var(--gray);
    line-height: 1.8;
}

.card ul li {
    margin-bottom: 8px;
}

/* Service Cards */
.service-card {
    text-align: center;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
}

/* About Section */
.about-content {
    display: flex;
    gap: 50px;
    align-items: center;
}

.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
}

.about-text {
    flex: 1;
}

.about-text h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.about-text p {
    color: var(--gray);
    margin-bottom: 15px;
    line-height: 1.8;
}

/* Footer */
footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 50px 50px 20px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto 30px;
}

.footer-section h3 {
    margin-bottom: 20px;
    color: var(--white);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: var(--light-color);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-section p {
    color: var(--light-color);
    line-height: 1.8;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--light-color);
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.btn-submit {
    background: var(--primary-color);
    color: var(--white);
    padding: 12px 40px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: background 0.3s;
}

.btn-submit:hover {
    background: #155a8a;
}

/* Clients Section */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    align-items: center;
}

.client-logo {
    padding: 20px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.client-logo img {
    max-width: 100%;
    height: auto;
    filter: grayscale(100%);
    transition: filter 0.3s;
}

.client-logo:hover img {
    filter: grayscale(0%);
}

/* Process Section */
.process-steps {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.process-step {
    flex: 1;
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 20px;
}

.process-step h3 {
    margin-bottom: 15px;
    color: var(--dark-color);
}

.process-step p {
    color: var(--gray);
}

/* Team Section */
.team-member {
    text-align: center;
}

.team-photo {
    width: 100%;
    height: 300px;
    background: var(--light-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.team-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-member h3 {
    margin-bottom: 5px;
}

.team-member .position {
    color: var(--gray);
    font-style: italic;
}

/* Projects Gallery */
.projects-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.project-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
}

.project-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.3s;
}

.project-item:hover img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    padding: 30px 20px 20px;
    color: var(--white);
}

.project-overlay h3 {
    margin-bottom: 5px;
}

/* Certifications */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.cert-item {
    text-align: center;
    padding: 20px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.cert-item img {
    width: 100%;
    max-width: 150px;
    height: auto;
    margin-bottom: 15px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .header-container {
        padding: 15px 30px;
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .clients-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }

    .header-container {
        flex-wrap: wrap;
        padding: 15px 20px;
    }

    nav {
        display: none;
        width: 100%;
        order: 3;
    }

    nav.active {
        display: block;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0;
        margin-top: 20px;
    }

    .nav-menu li {
        border-bottom: 1px solid var(--light-color);
    }

    .dropdown-menu {
        position: static;
        box-shadow: none;
        background: var(--light-color);
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero p {
        font-size: 16px;
    }

    .section {
        padding: 50px 20px;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .about-content {
        flex-direction: column;
    }

    .process-steps {
        flex-direction: column;
    }

    .projects-gallery {
        grid-template-columns: 1fr;
    }

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

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

    .footer-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .logo img {
        width: 100px;
        height: 85px;
    }

    .quote-btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .hero {
        padding: 80px 20px;
    }

    .section-title {
        font-size: 28px;
    }
}