/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a3a5c;
    --secondary-color: #2c5f8d;
    --accent-color: #e8b423;
    --text-color: #333;
    --light-text: #666;
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --dark-gray: #2c2c2c;
    --border-color: #ddd;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

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

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

a:hover {
    color: var(--secondary-color);
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: var(--white);
    padding: 8px;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* Top Bar */
.top-bar {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 10px 0;
    font-size: 14px;
}

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

.top-bar-info {
    display: flex;
    gap: 20px;
}

.top-bar-info a {
    color: var(--white);
}

.top-bar-links {
    display: flex;
    gap: 15px;
}

.top-bar-links a {
    color: var(--white);
    font-size: 13px;
}

/* Header */
.header {
    background-color: var(--white);
    padding: 20px 0;
    border-bottom: 3px solid var(--accent-color);
}

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

.header-content {
    display: flex;
    flex-direction: column;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.tagline {
    font-size: 16px;
    color: var(--light-text);
    margin-top: 5px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Navigation */
.main-nav {
    background-color: var(--secondary-color);
    box-shadow: var(--shadow);
}

.main-nav .container {
    padding: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 15px 20px;
    color: var(--white);
    font-weight: 500;
    transition: background-color 0.3s ease;
}

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

.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    min-width: 250px;
    box-shadow: var(--shadow);
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.nav-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

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

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

.dropdown a {
    display: block;
    padding: 12px 20px;
    color: var(--text-color);
    transition: background-color 0.3s ease;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

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

.hero-subtitle {
    font-size: 24px;
    font-weight: normal;
    opacity: 0.9;
}

/* Sections */
.section {
    padding: 60px 0;
}

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

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

.section-dark h2 {
    color: var(--white);
}

.section-dark p {
    color: rgba(255, 255, 255, 0.9);
}

.section h2 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 40px;
    text-align: center;
}

.content-block {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.content-block p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.important {
    background-color: var(--accent-color);
    color: var(--dark-gray);
    padding: 15px;
    border-radius: 5px;
    display: inline-block;
    margin-top: 20px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    margin-top: 20px;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--dark-gray);
}

.btn-primary:hover {
    background-color: #d4a01f;
    transform: translateY(-2px);
}

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

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

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.service-card h3 {
    color: var(--primary-color);
    font-size: 22px;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--light-text);
    margin-bottom: 20px;
    line-height: 1.6;
}

/* About Grid */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.about-card {
    background-color: var(--white);
    padding: 25px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
}

.about-card h3 {
    color: var(--primary-color);
    font-size: 20px;
    margin-bottom: 15px;
}

.about-card p {
    color: var(--light-text);
    margin-bottom: 20px;
}

/* Contact Info */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.contact-item {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 25px;
    border-radius: 8px;
}

.contact-item h3 {
    color: var(--accent-color);
    font-size: 20px;
    margin-bottom: 15px;
}

.contact-item p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

.contact-item a {
    color: var(--accent-color);
}

.contact-item a:hover {
    color: var(--white);
}

/* Footer */
.footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: var(--accent-color);
    font-size: 18px;
    margin-bottom: 20px;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .top-bar .container {
        flex-direction: column;
        gap: 10px;
    }

    .top-bar-info,
    .top-bar-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .header .container {
        flex-direction: column;
        text-align: center;
    }

    .mobile-menu-toggle {
        display: flex;
        position: absolute;
        right: 20px;
        top: 30px;
    }

    .main-nav {
        position: relative;
    }

    .nav-menu {
        flex-direction: column;
        display: none;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-item {
        width: 100%;
    }

    .dropdown {
        position: static;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        background-color: var(--light-gray);
    }

    .dropdown.active {
        display: block;
    }

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

    .hero-subtitle {
        font-size: 18px;
    }

    .section h2 {
        font-size: 28px;
    }

    .services-grid,
    .about-grid,
    .contact-info {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 24px;
    }

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

    .section {
        padding: 40px 0;
    }

    .section h2 {
        font-size: 24px;
    }

    .content-block p {
        font-size: 16px;
    }
}