/* Global Styles */
body {
    font-family: 'Poppins', sans-serif; /* Using Poppins for a modern look */
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    color: #333;
    line-height: 1.6;
    background-color: #ffffff;
}

h1, h2, h3, h4 {
    color: #00234d; /* Darker shade of blue for headings */
    font-weight: 600;
}

a {
    text-decoration: none;
    color: #0056b3;
    transition: color 0.3s ease;
}

a:hover {
    color: #007bff;
}

ul {
    list-style: none;
    padding: 0;
}

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

/* Header & Navigation */
header {
    background-color: #ffffff;
    padding: 15px 0;
    border-bottom: 1px solid #e7e7e7;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo img {
    max-height: 55px; /* Slightly adjusted logo height */
}

.nav-menu {
    display: flex;
}

.nav-menu li {
    margin-left: 25px; /* Increased spacing */
}

.nav-menu li a {
    color: #00234d;
    font-weight: 500; /* Medium weight */
    padding: 8px 12px;
    border-radius: 4px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.nav-menu li a:hover, .nav-menu li a.active {
    color: #007bff;
    background-color: #e9ecef;
}

.menu-toggle {
    display: none; /* Hidden by default */
    background: none;
    border: none;
    font-size: 24px;
    color: #00234d;
    cursor: pointer;
}

/* Hero Section */
#hero {
    background: linear-gradient(rgba(0, 35, 77, 0.7), rgba(0, 35, 77, 0.7)), url('../img/hero-background.jpg'); /* Placeholder - replace with a relevant image */
    background-color: #00234d; /* Fallback color */
    background-size: cover;
    background-position: center;
    padding: 100px 20px;
    text-align: center;
    color: #ffffff;
}

#hero h1 {
    font-size: 3em;
    margin-bottom: 20px;
    color: #ffffff;
    font-weight: 700;
}

#hero p {
    font-size: 1.3em;
    margin-bottom: 40px;
    color: #e0e0e0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background-color: #28a745; /* Green from logo */
    color: #ffffff;
    padding: 15px 35px;
    border-radius: 5px;
    font-size: 1.1em;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.2s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background-color: #218838;
    transform: translateY(-2px);
}

/* WhatsApp Buttons Specific Styles */
.whatsapp-hero-button,
.whatsapp-main-button {
    background-color: #25D366; /* WhatsApp Green */
    padding: 15px 30px;
}

.whatsapp-hero-button:hover,
.whatsapp-main-button:hover {
    background-color: #1DAE51; /* Darker WhatsApp Green */
}

.whatsapp-hero-button i,
.whatsapp-main-button i {
    margin-right: 8px;
}

/* Sections General Styling */
section {
    padding: 80px 20px;
}

section h2 {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.5em;
    position: relative;
    padding-bottom: 10px;
}

section h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: #28a745; /* Green accent from logo */
    margin: 10px auto 0;
}

.alternate-bg {
    background-color: #f8f9fa; /* Light background for alternating sections */
}

/* Services Section */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.service-item {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.service-item i {
    color: #28a745; /* Green icon color */
    margin-bottom: 20px;
}

.service-item h3 {
    font-size: 1.4em;
    margin-bottom: 15px;
    color: #003366;
}

.service-item p {
    font-size: 0.95em;
    color: #555;
}

/* Use Cases Section */
#use-cases p {
    text-align: center;
    max-width: 800px;
    margin: -30px auto 40px auto; /* Adjust spacing */
    font-size: 1.1em;
    color: #444;
}

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.use-case-item {
    background-color: #ffffff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    border-left: 5px solid #0056b3; /* Blue accent */
}

.use-case-item i {
    color: #0056b3; /* Blue icon color */
    margin-bottom: 15px;
    font-size: 1.8em; /* Slightly smaller icon */
    display: block; /* Center icon */
    text-align: center;
}

.use-case-item h4 {
    font-size: 1.3em;
    margin-bottom: 15px;
    text-align: center;
}

.use-case-item ul {
    padding-left: 20px; /* Indent list */
    list-style: disc; /* Use standard bullets */
}

.use-case-item ul li {
    margin-bottom: 8px;
    font-size: 0.95em;
    color: #555;
}

/* About Section */
#about p {
    max-width: 800px;
    margin: 0 auto 20px auto;
    text-align: center;
    font-size: 1.1em;
    color: #444;
}

/* WhatsApp CTA Section */
.cta-section {
    background-color: #00234d; /* Dark blue background */
    color: #ffffff;
    text-align: center;
    padding: 60px 20px;
}

.cta-section h2 {
    color: #ffffff;
    margin-bottom: 20px;
}

.cta-section h2::after {
    background-color: #25D366; /* WhatsApp Green accent */
}

.cta-section p {
    font-size: 1.2em;
    margin-bottom: 30px;
    color: #e0e0e0;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
footer {
    background-color: #001a36; /* Even darker blue footer */
    color: #c0c0c0; /* Lighter gray text */
    padding: 40px 20px;
    margin-top: 0; /* Remove margin if CTA section is directly above */
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap; /* Wrap on smaller screens */
}

.footer-content p {
    margin: 10px 0;
}

.social-links {
    margin: 10px 0;
}

.social-links a {
    color: #ffffff;
    font-size: 1.8em;
    margin-left: 20px;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: #25D366; /* WhatsApp Green on hover */
}

.social-links a:first-child:hover {
    color: #E1306C; /* Instagram Pink/Purple on hover */
}


/* Responsive Design */
@media (max-width: 768px) {
    .menu-toggle {
        display: block; /* Show hamburger menu */
    }

    .nav-menu {
        display: none; /* Hide menu by default */
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 76px; /* Adjust based on header height */
        left: 0;
        background-color: #ffffff;
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        padding: 10px 0;
    }

    .nav-menu.active {
        display: flex; /* Show menu when active */
    }

    .nav-menu li {
        margin: 10px 20px;
        text-align: center;
    }

    #hero h1 {
        font-size: 2.2em;
    }

    #hero p {
        font-size: 1.1em;
    }

    section {
        padding: 60px 20px;
    }

    section h2 {
        font-size: 2em;
    }

    .service-grid,
    .use-case-grid {
        grid-template-columns: 1fr; /* Stack items on smaller screens */
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .social-links a {
        margin: 0 15px;
    }
}