:root {
    --primary-color: #FF69B4;
    --secondary-color: #DA70D6;
    --text-dark: #333;
    --text-muted: #555;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --border-light: #FFE4E1;
    --shadow-color: rgba(0, 0, 0, 0.2);
    --gradient-overlay: rgba(0, 0, 0, 0.4);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    background-color: #f5f5f7;
}

.nav-link.active::after {
    width: 100%;
    background-color: var(--primary-color);
}

.navbar-toggler {
    border: none;
    color: white;
    background-color: rgba(10, 10, 10, 0.3);
}

.navbar-toggler:focus {
    box-shadow: none;
}

.nav-link.active {
    color: grey !important; /* !important je potřeba pro přepsání Bootstrap stylu */
}

.nav-link.active:hover {
    color: rgba(255,255,255,0.8) !important;
}

/* Pro disabled stav */
.nav-link.disabled {
    color: white !important;
    opacity: 1 !important;
}

.top-nav {
    position: fixed;
    top: 0;
    right: 0;
    padding: 1rem;
    z-index: 1000;
    backdrop-filter: invert(17%);
    border-top-left-radius: 35px;
    border-bottom-left-radius: 35px;
}

.nav-link {
    color: white;
    margin: 0 1rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.nav-link:hover {
    color: rgba(255,255,255,0.8);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

@media (max-width: 992px) {
    .navbar-nav {
        background-color: rgba(0,0,0,0.4);
        padding: 1rem;
        border-radius: 10px;
    }

    .nav-link {
        font-size: 1rem;
    }

    .nav-link::after {
        bottom: 1px;
    }

    .top-nav {
        backdrop-filter: none;
        border-radius: none;
    }

    .dog-title {
        font-size: 3rem !important;
    }
}

.hero-section {
    position: relative;
    height: 70vh;
    background: linear-gradient(rgba(0,0,0,0.2), rgba(0,0,0,0.1));
    border-radius: 0 0 30px 30px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.parallax-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.hero-image {
    width: 100%;
    height: 120%; /* Větší výška pro paralax efekt */
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    transform: translateZ(0);
    will-change: transform;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: black;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    margin-bottom: 3vh;
}

.dog-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.footer {
    background-color: var(--bg-light);
    padding: 30px 0;
    border-top: 1px solid var(--border-light);
    border-radius: 20px;
}

.footer p {
    margin: 0;
    color: #8B4513;
}

.footer p a {
    color: #8B4513;
}