:root {
    --primary-color: #212252;
    --secondary-color: #ffffff;
    --accent-color: #4CAF50;
    --text-color: #333333;
    --light-gray: #f8f9fa;
    --nav-bg: rgba(33, 34, 82, 0.95);
}

/* General Styles */
body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    font-weight: 400;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    line-height: 1.3;
}

.nav-link {
    color: var(--secondary-color) !important;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    padding: 8px 0 !important;
    position: relative;
    text-decoration: none;
    transition: all 0.3s ease;
}

.slider-content h1 {
    font-weight: 700;
    letter-spacing: -0.5px;
}

.slider-subtitle {
    font-family: 'Open Sans', sans-serif;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.service-card h3 {
    font-weight: 600;
    letter-spacing: 0.3px;
}

.feature-card h4 {
    font-weight: 600;
    letter-spacing: 0.3px;
}

.contact-section h2,
.about-section h2,
.services-section h2,
.why-us-section h2 {
    font-weight: 700;
    letter-spacing: 0.5px;
}

.btn {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.form-control {
    font-family: 'Open Sans', sans-serif;
    font-weight: 400;
}

/* Navbar Styles */
.navbar {
    background: linear-gradient(90deg, rgba(33, 34, 82, 0.95) 0%, rgba(33, 34, 82, 0.98) 100%) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    padding: 15px 0;
    position: relative;
    backdrop-filter: blur(10px);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-left,
.nav-right {
    display: flex;
    gap: 30px;
    align-items: center;
}

.navbar-brand {
    padding: 0 40px;
    position: relative;
}

.navbar-brand img {
    height: 50px;
    transition: transform 0.3s ease;
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 100%;
}

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

.nav-link.active {
    color: var(--accent-color) !important;
}

.navbar-toggler {
    border: none;
    padding: 0;
    margin-left: 20px;
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(255, 255, 255, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

.mobile-nav {
    display: none;
    flex-direction: column;
    gap: 20px;
    padding: 20px;
    background: rgba(33, 34, 82, 0.98);
    border-radius: 10px;
    margin-top: 20px;
}

@media (max-width: 992px) {
    .nav-left,
    .nav-right {
        display: none;
    }

    .navbar-brand {
        padding: 0;
    }

    .mobile-nav {
        display: flex;
    }

    .navbar-content {
        justify-content: space-between;
    }
}

@media (max-width: 576px) {
    .navbar-brand img {
        height: 40px;
    }
}

/* Main Slider */
.main-slider {
    background-image: url('main slider.jpg');
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    color: var(--secondary-color);
    position: relative;
    padding: 0 5%;
}

.main-slider::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(33, 34, 82, 0.9) 0%, rgba(33, 34, 82, 0.7) 100%);
}

.slider-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    padding: 0 20px;
}

.slider-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    font-weight: 700;
    line-height: 1.2;
}

.slider-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    font-weight: 400;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    line-height: 1.4;
}

.slider-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 3rem;
}

.btn-outline-light {
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
    background: transparent;
    transition: all 0.3s ease;
}

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

.slider-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 30px;
}

.slider-features .feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--secondary-color);
    font-size: 1.1rem;
    font-weight: 500;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.slider-features .feature-item i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

.slider-features .feature-item span {
    color: var(--secondary-color);
    font-weight: 500;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.slider-contact-form {
    position: relative;
    z-index: 1;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    max-width: 400px;
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-container h3 {
    color: var(--secondary-color);
    font-size: 1.8rem;
    margin-bottom: 25px;
    text-align: center;
    font-weight: 600;
}

.slider-contact-form .form-control {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--secondary-color);
    padding: 12px 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.slider-contact-form .form-control::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.slider-contact-form .form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-color);
    box-shadow: none;
}

.slider-contact-form select.form-control {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--secondary-color);
    padding: 12px 20px;
    border-radius: 8px;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 16px;
    padding-right: 40px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-contact-form select.form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-color);
    box-shadow: none;
}

.slider-contact-form select.form-control option {
    background: rgba(33, 34, 82, 0.95);
    color: var(--secondary-color);
    padding: 10px;
}

.slider-contact-form select.form-control option:hover {
    background: var(--accent-color);
}

@media (max-width: 992px) {
    .main-slider {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        padding: 0 20px;
    }

    .slider-content {
        max-width: 100%;
        margin-bottom: 40px;
    }

    .slider-buttons {
        justify-content: center;
    }

    .slider-features {
        align-items: center;
    }

    .slider-contact-form {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .slider-content h1 {
        font-size: 2.5rem;
    }

    .slider-subtitle {
        font-size: 1.2rem;
    }

    .slider-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .btn-lg {
        width: 100%;
    }
}

/* About Section */
.about-section {
    padding: 100px 0;
    background-color: var(--light-gray);
}

.about-section h2 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 30px;
    position: relative;
    display: inline-block;
}

.about-section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

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

.about-image img {
    width: 100%;
    height: auto;
    transition: transform 0.3s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-section p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
}

.about-features {
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.feature-item i {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-right: 10px;
}

.feature-item span {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--primary-color);
}

@media (max-width: 991px) {
    .about-section {
        padding: 60px 0;
    }
    
    .about-image {
        margin-bottom: 40px;
    }
}

/* Services Section */
.services-section {
    padding: 100px 0;
    background-color: var(--secondary-color);
}

.services-section h2 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 50px;
    position: relative;
    display: inline-block;
}

.services-section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

.service-card {
    background: var(--secondary-color);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    height: 100%;
    border: none;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.service-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.service-card h3 {
    color: var(--primary-color);
    padding: 20px;
    margin: 0;
    font-weight: 600;
}

.service-card p {
    padding: 0 20px 20px;
    color: #666;
}

/* Why Choose Us Section */
.why-us-section {
    padding: 100px 0;
    background-image: url('images/why-us/background.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    color: var(--secondary-color);
}

.why-us-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(33, 34, 82, 0.95) 0%, rgba(33, 34, 82, 0.85) 100%);
    backdrop-filter: blur(5px);
}

.why-us-section .container {
    position: relative;
    z-index: 1;
}

.why-us-section h2 {
    color: var(--secondary-color);
    font-weight: 700;
    margin-bottom: 50px;
    position: relative;
    display: inline-block;
}

.why-us-section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

.feature-card {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    position: relative;
    overflow: hidden;
    height: 100%;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(3px);
}

.feature-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(33, 34, 82, 0.85) 0%, rgba(33, 34, 82, 0.75) 100%);
    z-index: 1;
    transition: all 0.3s ease;
}

.feature-icon {
    position: relative;
    z-index: 2;
    margin-bottom: 20px;
}

.feature-icon img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--accent-color);
    padding: 5px;
    background: rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.feature-card h4 {
    color: var(--secondary-color);
    font-size: 1.5rem;
    margin-bottom: 15px;
    position: relative;
    z-index: 2;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.feature-card:hover .feature-overlay {
    background: linear-gradient(135deg, rgba(33, 34, 82, 0.95) 0%, rgba(33, 34, 82, 0.85) 100%);
}

.feature-card:hover .feature-icon img {
    transform: scale(1.1);
    border-color: var(--accent-color);
    box-shadow: 0 0 15px rgba(76, 175, 80, 0.5);
}

@media (max-width: 768px) {
    .feature-card {
        padding: 30px 20px;
    }

    .feature-icon img {
        width: 60px;
        height: 60px;
    }

    .feature-card h4 {
        font-size: 1.2rem;
    }
}

/* Contact Section */
.contact-section {
    padding: 100px 0;
    background-image: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1470&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    color: var(--secondary-color);
}

.contact-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(33, 34, 82, 0.95) 0%, rgba(33, 34, 82, 0.85) 100%);
    z-index: 1;
}

.contact-section .container {
    position: relative;
    z-index: 2;
}

.contact-info {
    padding: 40px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-info h2 {
    color: var(--secondary-color);
    margin-bottom: 30px;
    font-weight: 700;
}

.contact-details {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    gap: 20px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-top: 5px;
}

.contact-item h4 {
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-bottom: 5px;
    font-weight: 600;
}

.contact-item p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-size: 1.1rem;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--secondary-color);
    transition: all 0.3s ease;
}

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

.contact-form-container {
    padding: 40px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-form-container h3 {
    color: var(--secondary-color);
    margin-bottom: 30px;
    font-weight: 600;
}

.contact-form .form-control {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--secondary-color);
    padding: 12px 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.contact-form .form-control::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.contact-form .form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--accent-color);
    box-shadow: none;
}

.contact-form textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.contact-form .btn-primary {
    width: 100%;
    padding: 12px;
    font-size: 1.1rem;
    border-radius: 8px;
    background: var(--accent-color);
    border: none;
    transition: all 0.3s ease;
}

.contact-form .btn-primary:hover {
    background: #3d8b40;
    transform: translateY(-2px);
}

@media (max-width: 991px) {
    .contact-section {
        padding: 60px 0;
    }
    
    .contact-info,
    .contact-form-container {
        margin-bottom: 30px;
    }
}

@media (max-width: 576px) {
    .contact-info,
    .contact-form-container {
        padding: 30px;
    }
    
    .contact-item {
        gap: 15px;
    }
    
    .contact-item i {
        font-size: 1.2rem;
    }
    
    .contact-item h4 {
        font-size: 1.1rem;
    }
    
    .contact-item p {
        font-size: 1rem;
    }
}

/* Button Styles */
.btn-primary {
    background-color: var(--accent-color);
    border: none;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #3d8b40;
    transform: translateY(-2px);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .main-slider h1 {
        font-size: 2.5rem;
    }
    
    .about-section,
    .services-section,
    .why-us-section,
    .contact-section {
        padding: 50px 0;
    }
    
    .service-card,
    .feature-card {
        margin-bottom: 30px;
    }
}