:root {
    --primary-color: #007bff;
    --primary-dark: #0056b3;
    --secondary-color: #6c757d;
    --accent-color: #28a745;
    --text-color: #343a40;
    --light-bg: #f8f9fa;
    --dark-bg: #212529;
    --white: #ffffff;
    --header-height: 60px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

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

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

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

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

.section-title {
    font-size: 2.8em;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--primary-dark);
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.section-intro {
    font-size: 1.2em;
    text-align: center;
    margin-bottom: 50px;
    color: var(--secondary-color);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1em;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 10px 0;
}

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

.logo {
    font-size: 2.2em;
    font-weight: 700;
    color: var(--primary-color);
}

.logo a {
    text-decoration: none;
    color: inherit;
}

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

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

.main-nav ul li {
    margin-left: 30px;
}

.main-nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    font-size: 1.1em;
    transition: color 0.3s ease;
    position: relative;
}

.main-nav ul li a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 0%;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.main-nav ul li a:hover {
    color: var(--primary-color);
}

.main-nav ul li a:hover::after {
    width: 100%;
}

.hero-section {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.pexels.com/photos/546819/pexels-photo-546819.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1') no-repeat center center/cover;
    color: var(--white);
    text-align: center;
    padding: 150px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 70vh;
}

.hero-content h2 {
    font-size: 3.8em;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.4em;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

.about-content {
    font-size: 1.15em;
    line-height: 1.8;
    max-width: 900px;
    margin: 0 auto;
}

.about-content p {
    margin-bottom: 20px;
}

.about-content p strong {
    color: var(--primary-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-item {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.service-item i {
    color: var(--primary-color);
    font-size: 3.5em;
    margin-bottom: 20px;
}

.service-item h3 {
    font-size: 1.6em;
    margin-bottom: 15px;
    color: var(--primary-dark);
}

.service-item p {
    font-size: 1em;
    color: var(--secondary-color);
}

.service-note {
    text-align: center;
    margin-top: 40px;
    font-style: italic;
    color: var(--secondary-color);
    font-size: 1.05em;
}

.contact-info-single {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 50px 30px;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 500px;
    margin: 0 auto; 
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

.contact-info-single h3 {
    font-size: 2.2em; 
    margin-bottom: 30px; 
    text-align: center;
    font-weight: 600;
}

.contact-info-single p { 
    margin-bottom: 0; 
    font-size: 1.4em; 
    display: flex;
    align-items: center;
    justify-content: center; 
    flex-wrap: wrap; 
}

.contact-info-single p i { 
    margin-right: 15px;
    font-size: 1.8em; 
    width: auto; 
    text-align: center;
}

.contact-info-single p a { 
    color: var(--white);
    text-decoration: none;
    transition: text-decoration 0.3s ease;
}

.contact-info-single p a:hover { 
    text-decoration: underline;
}


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

.footer p {
    margin-bottom: 10px;
}

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

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

.footer .pkd-info {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer .pkd-info p {
    font-weight: 600;
    margin-bottom: 10px;
}

.footer .pkd-info ul {
    list-style: none;
    padding: 0;
    margin-top: 10px;
}

.footer .pkd-info ul li {
    margin-bottom: 5px;
    color: rgba(255, 255, 255, 0.8);
}


@media (max-width: 992px) {
    .section-title {
        font-size: 2.2em;
        margin-bottom: 40px;
    }

    .hero-content h2 {
        font-size: 2.8em;
    }

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

    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .contact-info-single h3 {
        font-size: 1.8em;
    }

    .contact-info-single p {
        font-size: 1.2em;
    }

    .contact-info-single p i {
        font-size: 1.6em;
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        height: auto;
        padding: 10px 20px;
    }

    .main-nav ul {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .main-nav ul li {
        margin: 0 15px 10px;
    }

    .logo {
        font-size: 1.8em;
    }

    .hero-section {
        padding: 100px 0;
    }

    .hero-content h2 {
        font-size: 2.2em;
    }

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

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

@media (max-width: 480px) {
    .section-title {
        font-size: 1.8em;
    }

    .hero-content h2 {
        font-size: 1.8em;
    }

    .hero-content p {
        font-size: 0.9em;
    }

    .btn {
        padding: 12px 25px;
        font-size: 0.9em;
    }

    .service-item h3 {
        font-size: 1.4em;
    }
    
    .contact-info-single h3 {
        font-size: 1.5em;
    }

    .contact-info-single p {
        font-size: 1em;
    }

    .contact-info-single p i {
        font-size: 1.4em;
    }
}