body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    margin: 0;
    background: #f5f5f7;
    color: #222;
}

.page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* HEADER */

.header {
    background: #1f2933;
    color: #fff;
    padding: 0.75rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-content {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo .brand {
    font-weight: 700;
    letter-spacing: 0.05em;
    font-size: 1.2rem;
}

.logo .subtitle {
    display: block;
    font-size: 0.85rem;
    opacity: 0.8;
}

.nav {
    display: flex;
    flex-direction: column; /* egymás alatt */
    align-items: flex-start; /* balra igazítva */
    width: 180px; /* keskeny menü */
    padding: 0.5rem 0;
    gap: 0.4rem; /* kis távolság a linkek között */
}


/* LAYOUT – oldalsó menü + tartalom */
.layout-container {
    display: flex;
    min-height: 100vh;
}

/* OLDALSÓ MENÜ */
.sidebar {
    width: 220px; /* keskeny menü */
    background: #0f3d2e; /* sötétzöld háttér */
    color: #ffffff;
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
}

.sidebar-header {
    margin-bottom: 2rem;
}

.sidebar .brand {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.sidebar .subtitle {
    font-size: 0.85rem;
    opacity: 0.85;
    margin-top: 0.2rem;
}

/* MENÜ – egymás alatt */
.nav {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

    .nav a {
        color: #ffffff;
        text-decoration: none;
        font-size: 1rem;
        padding: 0.3rem 0;
        transition: 0.2s;
    }

        .nav a:hover {
            color: #a7f3d0; /* világosabb zöld hover */
        }

/* TARTALOM */
.main-content {
    flex: 1;
    padding: 2rem;
    background: #f5f5f7;
}


    .nav a {
        color: #fff;
        text-decoration: none;
        font-size: 0.95rem;
        padding: 0.3rem 0;
    }

        .nav a:hover {
            text-decoration: underline;
            /* MAIN CONTENT */

            .main-content {
                max-width: 1100px;
                margin: 0 auto;
                padding: 1.5rem;
            }
            /* FOOTER */

            .footer {
                margin-top: auto;
                text-align: center;
                padding: 1rem;
                background: #111827;
                color: #e5e7eb;
                font-size: 0.85rem;
            }
            /* HERO SECTION */

            .hero {
                display: grid;
                grid-template-columns: minmax(0, 2fr) minmax(0, 1.5fr);
                gap: 2rem;
                align-items: center;
                padding: 2rem 0 1rem;
            }

            .hero-text h1 {
                font-size: 2rem;
                margin-bottom: 0.75rem;
            }

            .hero-text p {
                font-size: 1rem;
                line-height: 1.6;
                margin-bottom: 1rem;
            }

            .hero-image img {