:root {
    --primary: #a4d4ff;
    --secondary: #221f1f;
    --background: #f6f9fb;
    --accent: #2f3c47;
    --radius: 10px;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: var(--background);
    color: #1a1a1a;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.site-header {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(90, 109, 124, 0.05);
}

.header-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 0;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: bold;
    font-size: 1.4rem;
    color: #095083;
    text-decoration: none;
    gap: 0.6em;
}

.main-menu {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

.main-menu a {
    color: #095083;
    text-decoration: none;
    font-weight: 500;
    padding: 0.4em 1.1em;
    border-radius: var(--radius);
    transition: background .15s;
}
.main-menu a:hover {
    background: var(--accent);
    color: #008AD0;
}

/* Tlačidlá prihlásenia a registrácie */
.btn-login,
.btn-register {
    font-weight: bold;
    border-radius: var(--radius);
    margin-left: 10px;
    padding: 0.5em 1.1em;
    border: none;
    display: inline-block;
    white-space: nowrap;
    transition: background .18s, color .18s;
}
.btn-login {
    background: #fff;
    color: var(--primary) !important;
}
.btn-register {
    background: var(--accent);
    color: #fff !important;
}


/* Mobilný toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    color: #fff;
    cursor: pointer;
    margin-left: 18px;
}

/* ---- Mobilné menu ---- */
@media (max-width: 700px) {
    #mainNav {
        width: 100%;
        background: var(--primary);
        /* výška menu dynamická podľa obsahu */
        display: none;
        /* Pre hladký prechod môžeš skúsiť height/transition */
    }
    #mainNav.show {
        display: block;
        /* alebo:
        height: auto;
        transition: height 0.3s;
        */
    }
    .main-menu {
        flex-direction: column;
        align-items: stretch;
        margin: 0;
        padding: 0;
    }
    .main-menu li {
        margin: 0;
        text-align: center;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .main-menu a {
        display: block;
        padding: 18px 0;
        font-size: 1.18rem;
    }
    .menu-toggle {
        display: block !important;
    }
}

/* Desktop */
@media (min-width: 701px) {
    #mainNav {
        display: block !important;
        background: none;
    }
    .main-menu {
        flex-direction: row;
        justify-content: flex-end;
    }
    .main-menu li {
        border-bottom: none;
    }
    .menu-toggle {
        display: none !important;
    }
}

/* ---- Desktop menu ---- */
@media (min-width: 701px) {
    .main-menu {
        display: flex !important;
        position: static !important;
        width: auto !important;
        height: auto !important;
        background: none !important;
        flex-direction: row !important;
        align-items: center !important;
        padding: 0 !important;
        margin: 0 !important;
        overflow: visible !important;
    }
    .menu-toggle {
        display: none !important;
    }
}

/* Ostatné sekcie (slider, features, footer) – ostáva pôvodné */
.slider-section {
    background: linear-gradient(90deg, #eaf4ff 60%, #f6f9fb 100%);
    padding: 2.5rem 0 2rem 0;
}
.slider {
    display: flex;
    justify-content: center;
    align-items: center;
}
.slide-content {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}
.slide-content img {
    width: 240px;
    max-width: 32vw;
    border-radius: 20px;
    box-shadow: 0 2px 12px 0 rgba(39,98,196,0.10);
}
@media (max-width: 850px) {
    .slide-content {
        flex-direction: column;
        gap: 1.2rem;
        text-align: center;
    }
    .slide-content img {
        width: 180px;
        max-width: 80vw;
    }
}
.slide-content h1 {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: .6rem;
}
.slide-content p {
    color: #555;
    font-size: 1.2rem;
}
.features {
    background: #fff;
    padding: 3.5rem 0;
}
.features h2 {
    text-align: center;
    color: var(--primary);
    margin-bottom: 2.1rem;
}
.features-grid {
    display: flex;
    gap: 2.2rem;
    justify-content: center;
    flex-wrap: wrap;
}
.feature-card {
    background: #f6f9fb;
    border-radius: var(--radius);
    box-shadow: 0 2px 8px rgba(0,0,0,.04);
    padding: 2.2rem 1.3rem 1.3rem 1.3rem;
    flex: 1 1 260px;
    max-width: 330px;
    min-width: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.feature-card img {
    width: 70px;
    margin-bottom: 1rem;
}
.feature-card h3 {
    color: var(--accent);
    font-size: 1.1rem;
    margin-bottom: 0.7rem;
}
.feature-card p {
    font-size: 1.04rem;
    color: #444;
}
.cta-section {
    background: var(--primary);
    color: #fff;
    padding: 2.8rem 0 2.2rem 0;
    text-align: center;
    border-radius: var(--radius) var(--radius) 0 0;
    margin-top: 3rem;
}
.cta-section h2 {
    margin-bottom: 1.3rem;
    font-size: 1.4rem;
}
.btn-primary {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 0.7em 2.1em;
    font-size: 1.1rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(72,176,163,0.10);
    transition: background .15s;
}
.btn-primary:hover {
    background: #007b76;
}
.site-footer {
    background: #eaf4ff;
    padding: 1.3rem 0;
    margin-top: 2rem;
}
.footer-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.footer-link {
    color: var(--primary);
    text-decoration: none;
    margin-left: 1.5em;
    font-size: 1.01rem;
}
.footer-link:hover {
    text-decoration: underline;
    color: var(--accent);
}
@media (max-width: 700px) {
    .footer-flex, .header-flex, .features-grid {
        flex-direction: column;
        gap: 1.1em;
        text-align: center;
    }
    .site-header, .site-footer {
        padding: 1.2rem 0;
    }
}
.h-menu {
    width: 100vw;   
    
    display: flex;
    justify-content: center;
    
    box-sizing: border-box;
}