/* --- Global Styles --- */
:root {
    /* Color Palette derived from the logo */
    --deep-blue: #0047AB; /* Primary deep blue */
    --light-blue: #87CEEB; /* Lighter sky blue from the cube */
    --accent-gray: #F5F7F8; /* Subtle background highlight */
    --text-dark: #333333;
    --text-light: #F0F0F0;
    --font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: #FFFFFF;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* --- Header & Logo --- */
header {
    background-color: var(--accent-gray);
    padding: 20px 0;
    border-bottom: 2px solid var(--light-blue);
    text-align: center;
}

.main-logo {
    max-width: 250px;
    height: auto;
}

/* --- Main Sections --- */
main {
    padding-top: 40px;
}

h2, h3 {
    color: var(--deep-blue);
    font-weight: 700;
}

.hero {
    text-align: center;
    margin-bottom: 60px;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.hero p {
    font-size: 1.2rem;
    color: #555;
    max-width: 700px;
    margin: 0 auto;
}

/* --- Services Grid --- */
.services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.service-block {
    background-color: #FFFFFF;
    border: 1px solid #EAEAEA;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.service-block:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.service-block h3 {
    margin-top: 15px;
    font-size: 1.3rem;
}

/* Icons (using generic emoji placeholders) */
.icon {
    font-size: 3rem;
    line-height: 1;
}

/* --- App Development --- */
.app-dev {
    background-color: var(--deep-blue);
    color: var(--text-light);
    border-radius: 8px;
    padding: 40px;
    margin-bottom: 80px;
    text-align: center;
}

.app-dev h3 {
    color: #FFFFFF;
}

/* --- Contact Us --- */
.contact {
    text-align: center;
    margin-bottom: 80px;
    background-color: var(--accent-gray);
    padding: 60px 20px;
    border-radius: 8px;
}

/* CSS for the interactive email link */
.email-link {
    display: inline-block;
    color: var(--deep-blue);
    font-weight: 700;
    font-size: 1.3rem;
    text-decoration: none;
    border: 2px solid var(--light-blue);
    padding: 10px 25px;
    margin-top: 20px;
    border-radius: 25px;
    transition: background-color 0.2s, color 0.2s;
}

.email-link:hover {
    background-color: var(--deep-blue);
    color: #FFFFFF;
}

/* --- Footer --- */
footer {
    background-color: var(--text-dark);
    color: var(--text-light);
    padding: 30px 0;
    text-align: center;
    font-size: 0.9rem;
}

.footer-container p {
    margin: 5px 0;
}