/* Global Styles */
:root {
    --primary-color: #0056b3;
    --secondary-color: #004494;
    --accent-color: #ff6b00;
    --light-gray: #f5f5f5;
    --medium-gray: #e0e0e0;
    --dark-gray: #333333;
    --white: #ffffff;
    --font-primary: 'Open Sans', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    --transition: all 0.3s ease;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark-gray);
    overflow-x: hidden;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 15px;
}

p {
    margin-bottom: 15px;
}

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

a:hover, a:focus {
    color: var(--accent-color);
    outline: none;
}

a:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
}

section {
    padding: 80px 0;
}

/* Buttons */
.cta-button, .secondary-button {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-secondary);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.cta-button {
    background-color: var(--accent-color);
    color: var(--white);
    border: 2px solid var(--accent-color);
}

.cta-button:hover {
    background-color: transparent;
    color: var(--accent-color);
}

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

.secondary-button:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Header and Navigation */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo a {
    display: flex;
    align-items: center;
    color: var(--dark-gray);
}

.logo h1 {
    font-size: 1.8rem;
    margin-bottom: 0;
}

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

nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
}

.nav-menu li {
    margin-left: 25px;
}

.nav-menu a {
    color: var(--dark-gray);
    font-weight: 600;
    position: relative;
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--primary-color);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: var(--transition);
    background-color: var(--dark-gray);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/hero-background.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 150px 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h2 {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.hero h3 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 30px;
}

/* Introduction Section */
.intro .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.intro-content h2 {
    color: var(--primary-color);
}

.intro-cta {
    margin-top: 30px;
    display: flex;
    gap: 15px;
}

/* Content Section */
.content-section {
    padding: 60px 0;
    background-color: var(--white);
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: start;
}

.main-content h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-top: 30px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent-color);
    display: inline-block;
}

.main-content h2:first-child {
    margin-top: 0;
}

.main-content p {
    font-size: 1.05rem;
    margin-bottom: 20px;
    color: var(--dark-gray);
    line-height: 1.7;
}

.info-box {
    background-color: var(--light-gray);
    padding: 25px 30px;
    border-radius: var(--border-radius);
    margin: 25px 0;
    box-shadow: var(--box-shadow);
    border-left: 4px solid var(--accent-color);
}

.info-box h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.info-box ul {
    padding-left: 20px;
}

.info-box ul li {
    margin-bottom: 12px;
    position: relative;
    list-style-type: none;
    padding-left: 5px;
}

.info-box ul li:before {
    content: '•';
    color: var(--accent-color);
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
    font-size: 1.2em;
}

.info-box ul li strong {
    color: var(--secondary-color);
    font-weight: 600;
}

.sidebar-widget {
    background-color: var(--white);
    padding: 25px;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
}

.cta-widget {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    text-align: center;
    padding: 30px 25px;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.cta-widget h3 {
    color: var(--white);
    border-bottom: none;
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.cta-widget p {
    margin-bottom: 20px;
    opacity: 0.9;
}

.cta-widget .cta-button {
    background-color: var(--accent-color);
    color: var(--white);
    border: 2px solid var(--accent-color);
    padding: 12px 25px;
    display: inline-block;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.cta-widget .cta-button:hover {
    background-color: transparent;
    color: var(--white);
    transform: translateY(-3px);
}

.sidebar-widget h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--medium-gray);
}

.sidebar-widget ul {
    padding-left: 5px;
}

.sidebar-widget ul li {
    margin-bottom: 12px;
    position: relative;
    list-style-type: none;
    padding-left: 20px;
}

.sidebar-widget ul li:before {
    content: '\f054';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    color: var(--accent-color);
    position: absolute;
    left: 0;
    top: 3px;
    font-size: 0.8rem;
}

/* Product Highlight Section */
.product-highlight {
    background-color: var(--light-gray);
    text-align: center;
}

.product-highlight h2 {
    color: var(--primary-color);
    margin-bottom: 40px;
}

.product-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.product-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px 8px 0 0;
}

.product-card h3 {
    color: var(--primary-color);
    padding: 20px 20px 10px;
}

.product-card p {
    padding: 0 20px;
}

.product-card ul {
    text-align: left;
    padding: 0 20px 20px;
    margin-bottom: 20px;
}

.product-card ul li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 5px;
}

.product-card ul li::before {
    content: '✓';
    color: var(--accent-color);
    position: absolute;
    left: 0;
}

.product-card .cta-button {
    margin: 0 20px 20px;
    display: block;
}

/* Benefits Section */
.benefits-preview h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 40px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.benefit-item {
    text-align: center;
    padding: 30px;
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.benefit-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.benefit-item i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.benefit-item h3 {
    color: var(--primary-color);
}

.benefits-cta {
    text-align: center;
}

/* Testimonial Section */
.testimonials {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
}

.testimonials h2 {
    margin-bottom: 40px;
}

.testimonial {
    max-width: 800px;
    margin: 0 auto;
    padding: 30px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.testimonial p {
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 20px;
}

.testimonial-author .name {
    font-weight: 700;
    display: block;
    margin-bottom: 5px;
}

.testimonial-author .position {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('../images/cta-background.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
}

.cta-section h2 {
    margin-bottom: 15px;
}

.cta-section p {
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Page Banner */
.page-banner {
    background: linear-gradient(rgba(0, 86, 179, 0.9), rgba(0, 68, 148, 0.9)), url('../images/banner-background.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 80px 0;
    text-align: center;
    margin-bottom: 0;
    position: relative;
}

.page-banner h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.page-banner p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

/* Problem Item */
.problem-item {
    background-color: var(--white);
    padding: 25px 20px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border-top: 4px solid var(--primary-color);
}

.problem-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.problem-item i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 15px;
    display: block;
}

.problem-item h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.problem-item p {
    font-size: 0.95rem;
    margin-bottom: 0;
    color: var(--dark-gray);
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

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

.footer-links h3, .footer-contact h3 {
    color: var(--accent-color);
    margin-bottom: 20px;
}

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

.footer-links a, .footer-contact a {
    color: var(--white);
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover, .footer-contact a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.footer-contact p {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

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

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.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%;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.7;
}

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

/* Responsive Design */
@media (max-width: 992px) {
    .intro .container {
        grid-template-columns: 1fr;
    }
    
    .product-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .page-banner h2 {
        font-size: 2rem;
    }
    
    .page-banner p {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 15px 0;
    }
    
    .product-cards {
        grid-template-columns: 1fr;
    }
    
    .problem-grid {
        grid-template-columns: 1fr;
    }
    
    .intro-cta {
        flex-direction: column;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .hero h3 {
        font-size: 1.2rem;
    }
    
    .page-banner {
        padding: 50px 0;
    }
    
    .page-banner h2 {
        font-size: 1.8rem;
    }
    
    .page-banner p {
        font-size: 1rem;
    }
    
    .main-content h2 {
        font-size: 1.6rem;
    }
}