:root {
    --primary: #0047AB;
    --secondary: #00A86B;
    --accent: #FF6B35;
    --light: #F5F7FA;
    --dark: #1A2B3C;
    --gray: #6C757D;
    --light-gray: #E9ECEF;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: #fff;
}

h1,
h2,
h3,
h4,
h5 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.8rem;
}

h2 {
    font-size: 2.2rem;
    position: relative;
    padding-bottom: 0.5rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: var(--secondary);
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1.2rem;
    color: var(--gray);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

.section-title-center {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title-center h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
}

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

.btn-primary:hover {
    background-color: #003580;
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

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

.btn-secondary:hover {
    background-color: #008a56;
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

/* Header Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 15px 0;
}

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

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

.logo-text {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
}

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

nav ul {
    display: flex;
    list-style: none;
}

nav li {
    margin-left: 30px;
}

nav a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
}

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

.header-cta {
    display: flex;
    align-items: center;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding-top: 140px;
    padding-bottom: 80px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
    overflow: hidden;
}

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

.hero-content h1 {
    color: var(--dark);
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    color: var(--gray);
}

.hero-btns {
    display: flex;
    gap: 20px;
}

.hero-visual {
    position: relative;
}

.hero-image {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* About Preview */
.about {
    background-color: var(--light);
}

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

.about-image {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* Why Choose Us */
.features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 2rem;
}

.feature {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

/* Services */
.services {
    background-color: var(--light);
}

.services-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.service-category {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.service-list {
    list-style: none;
    margin-top: 1.5rem;
}

.service-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    align-items: center;
}

.service-list li:last-child {
    border-bottom: none;
}

.service-list li i {
    color: var(--secondary);
    margin-right: 10px;
}

.services-cta {
    text-align: center;
    margin-top: 3rem;
}

/* Testimonials */
.testimonials-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 2rem;
}

.testimonial {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    position: relative;
}

.testimonial::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 20px;
    font-size: 4rem;
    color: var(--light-gray);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    font-weight: 600;
    color: var(--dark);
}

/* FAQ */
.faq {
    background-color: var(--light);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: white;
    margin-bottom: 15px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.faq-question {
    padding: 20px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer.open {
    padding: 0 20px 20px 20px;
    max-height: 500px;
}

.faq-toggle {
    font-size: 1.2rem;
    color: var(--primary);
    transition: transform 0.3s ease;
}

.faq-toggle.open {
    transform: rotate(45deg);
}

/* Contact Form */
.contact-form-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-family: 'Open Sans', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 71, 171, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

/* Newsletter */
.newsletter {
    background-color: var(--primary);
    color: white;
}

.newsletter h2,
.newsletter p {
    color: white;
}

.newsletter h2::after {
    background-color: var(--secondary);
}

.newsletter-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: var(--border-radius);
}

.checkbox-group {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.checkbox-group input {
    margin-right: 10px;
}

/* Footer */
footer {
    background-color: var(--dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer-logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
}

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

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links h3,
.footer-contact h3 {
    color: white;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.footer-contact i {
    margin-right: 10px;
    color: var(--secondary);
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 1.5rem;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

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

.copyright {
    text-align: center;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.copyright a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
}

.copyright a:hover {
    text-decoration: underline;
}

/* Success Messages */
.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: var(--border-radius);
    margin-top: 20px;
    display: none;
}

.success-message.show {
    display: block;
}

/* Responsive Design */
@media (max-width: 992px) {
    h1 {
        font-size: 2.4rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-container,
    .about-container {
        grid-template-columns: 1fr;
    }

    .features,
    .services-categories,
    .testimonials-container {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    nav {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    nav.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    nav ul {
        flex-direction: column;
    }

    nav li {
        margin: 0 0 15px 0;
    }

    .hero-btns {
        flex-direction: column;
        gap: 10px;
    }

    .features,
    .services-categories,
    .testimonials-container {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 576px) {
    section {
        padding: 60px 0;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .contact-form-container,
    .newsletter-container {
        padding: 30px 20px;
    }
}

/* Modal styles */
.modal {
    display: none;
    /* Hidden by default */
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: #fefefe;
    margin: 10% auto;
    padding: 20px;
    border-radius: 8px;
    width: 80%;
    max-width: 500px;
    position: relative;
    text-align: left;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: black;
}