:root {
    --primary-color: #004a99;
    --secondary-color: #00a1e4;
    --text-color: #333;
    --light-bg: #f4f7f9;
    --white: #ffffff;
    --max-width: 1200px;
}

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

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

header {
    background-color: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.hero {
    background: linear-gradient(rgba(0, 74, 153, 0.8), rgba(0, 74, 153, 0.8)), url('assets/South-of-Peloponnese-map.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 100px 0;
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section {
    padding: 60px 0;
}

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

.grid {
    display: block;
}

h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.8rem;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 10px;
    display: inline-block;
}

p {
    margin-bottom: 15px;
    text-align: justify;
}

.map-container {
    margin: 40px 0;
    text-align: center;
}

.map-container img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.financials {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 40px 20px;
    border-radius: 8px;
    text-align: center;
}

.financials h3 {
    color: var(--white);
    border-bottom-color: var(--white);
}

.financial-link {
    display: inline-block;
    background-color: var(--white);
    color: var(--primary-color);
    padding: 10px 25px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.financial-link:hover {
    background-color: var(--secondary-color);
    color: var(--white);
}

footer {
    background-color: #222;
    color: #ccc;
    padding: 40px 0;
    font-size: 0.9rem;
}

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

.contact-info h4 {
    color: var(--white);
    margin-bottom: 15px;
}

/* Language Switcher Styles */
.lang-switcher {
    display: flex;
    gap: 10px;
}

.lang-btn {
    background: none;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 5px 12px;
    cursor: pointer;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s;
}

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

/* Language Visibility Logic */
body.lang-en [lang="el"] {
    display: none !important;
}

body.lang-el [lang="en"] {
    display: none !important;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
}