/* Варіант 1: style.css */
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css');

:root {
  --primary-color: #2C3E50;
  --secondary-color: #E74C3C;
  --accent-color: #34495E;
  --light-color: #FFFFFF;
  --dark-color: #1A252F;
  --background-color: #ECF0F1;
  --text-color: #333333;
  --border-color: rgba(44, 62, 80, 0.2);
  --divider-color: rgba(44, 62, 80, 0.1);
  --shadow-color: rgba(189, 195, 199, 0.8);
  --highlight-color: #F1C40F;
  --main-font: 'Roboto Condensed', sans-serif;
  --alt-font: 'Open Sans', sans-serif;
}

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

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 10px 10px 20px var(--shadow-color), -10px -10px 20px #ffffff !important;
    transition: all 0.3s ease;
}

.btn:hover {
    background-color: var(--highlight-color) !important;
    color: var(--dark-color) !important;
    transition: all 0.3s ease;
}

details > summary::-webkit-details-marker {
    display: none;
}
details > summary {
    list-style: none;
    position: relative;
    padding-right: 20px;
}
details > summary::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--secondary-color);
}
details[open] > summary::after {
    content: '-';
}

@media (max-width: 768px) {
    .navigation {
        display: none;
        width: 100%;
        position: absolute;
        top: 70px;
        left: 0;
        background-color: var(--primary-color);
        text-align: center;
        padding: 20px 0;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }
    .navigation ul {
        flex-direction: column;
        gap: 15px;
    }
    .navigation ul li {
        margin: 0 !important;
    }
    #menu-toggle:checked ~ .navigation {
        display: block;
    }
    .hamburger {
        display: block !important;
    }
}

@media (min-width: 769px) {
    .hamburger {
        display: none !important;
    }
}