:root {
    --primary: #0056b3;
    --secondary: #003d82;
    --accent: #00a8e8;
    --light: #f8f9fa;
    --dark: #343a40;
    --success: #28a745;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    line-height: 1.6;
}

/* Navbar */
.navbar {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--primary) !important;
}

.navbar-brand span {
    color: var(--accent);
}

.nav-link {
    font-weight: 500;
    color: var(--dark) !important;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary) !important;
}

.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    padding: 8px 20px;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

/* Banner Section */
.banner {
    background: linear-gradient(rgba(0, 86, 179, 0.5), rgba(0, 61, 130, 0.5)), url('assets/banner.jpg') center center/cover;
    background-size: cover;
    height: 80vh;
    background-position: center;
    color: white;
    padding: 150px 0;
    text-align: center;
}

.banner h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.banner p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin: 4rem 0 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.section-header p {
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

/* About Section */
.about-section {
    padding: 5rem 0;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Services Section */
.services-section {
    background-color: #f8f9fa;
    padding: 5rem 0;
}

.service-card {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

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

.service-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.service-card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
    margin-right: 10px;
}

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

/* Service Overlay */
.service-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.service-overlay.active {
    opacity: 1;
    visibility: visible;
}

.service-detail {
    background: white;
    border-radius: 15px;
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2rem;
    position: relative;
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
}

.internal-service {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.internal-icon {
    width: 50px;
    height: 50px;
    background: var(--light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: var(--primary);
    font-size: 1.2rem;
}

/* Why Choose Us Section */
.why-choose-section {
    padding: 5rem 0;
}

.feature-box {
    text-align: center;
    padding: 2rem 1rem;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--primary);
    font-size: 2rem;
}

/* Subscribe Section */
.subscribe-section {
    background-color: var(--primary);
    color: white;
    padding: 5rem 0;
}

.subscribe-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-control {
    padding: 12px 15px;
    border-radius: 5px;
    border: 1px solid #ddd;
    margin-bottom: 1rem;
}

.unsubscribe-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    cursor: pointer;
    display: inline-block;
    margin-top: 1rem;
}

.unsubscribe-link:hover {
    color: white;
    text-decoration: underline;
}

/* Testimonials Section */
.testimonials-section {
    background-color: #f8f9fa;
    padding: 5rem 0;
}

.testimonial-card {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

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

.testimonial-text:before {
    content: "";
    font-size: 4rem;
    color: var(--accent);
    position: absolute;
    top: -20px;
    left: -10px;
    opacity: 0.2;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    margin-right: 15px;
}

/* FAQ Section */
.faq-section {
    padding: 5rem 0;
}

.accordion-button {
    font-weight: 600;
    padding: 1.2rem 1.25rem;
}

.accordion-button:not(.collapsed) {
    background-color: rgba(0, 86, 179, 0.05);
    color: var(--primary);
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(0, 86, 179, 0.25);
}

/* Contact Section */
.contact-section {
    background-color: #f8f9fa;
    padding: 5rem 0;
}

.contact-form {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-info {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    height: 100%;
}

.contact-detail {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: var(--primary);
}

/* Footer */
.footer {
    background: var(--dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer h5 {
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.social-icons a {
    display: inline-block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    text-align: center;
    line-height: 40px;
    margin-right: 10px;
    transition: all 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    margin-top: 2rem;
    text-align: center;
    color: #aaa;
}

/* Overlay Alerts */
.alert-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1060;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.alert-overlay.active {
    opacity: 1;
    visibility: visible;
}

.alert-box {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    text-align: center;
}

.alert-icon {
    font-size: 3rem;
    color: var(--success);
    margin-bottom: 1rem;
}

/* Loading Text */
.loading-text {
    display: none;
}

/* Responsive */
@media (max-width: 768px) {
    .banner h1 {
        font-size: 2.2rem;
    }

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

    .section-header h2 {
        font-size: 2rem;
    }
}