/* Reset default styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

header {
    background-color: #32746d; /* как у footer */
    color: #2c3e50; /* базовый цвет текста — тёмный */
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

header > h1 {
    color: white; /* только заголовок h1 белый */
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
}


body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background-color: #f1f7ed;
    margin: 0;
    overflow-x: hidden;
}

header img {
    height: 40px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

header img:hover {
    transform: scale(1.1);
}

nav {
    background-color: #fff;
    border-bottom: none; 
    padding: 1rem 2rem;
    box-shadow: none; 
    position: sticky;
    top: 0;
    z-index: 1000;
}

ul {padding-left: 20px;}

nav ul {
    padding-left: 0px;
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

nav ul li {
    position: relative;
}

nav > ul > li {
    color: #2c3e50;
    cursor: pointer;
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 1.5rem;
    transition: background-color 0.3s ease, color 0.3s ease;
    border-radius: 8px;
    cursor: pointer;
}

nav > ul > li:hover {
    background-color: #74c69d;
    color: #fff;
}

nav ul li ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #fff;
    border: 1px solid #ddd;
    min-width: 200px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    z-index: 10;
}

nav ul li:hover > ul {
    display: block;
}

nav > ul > li > ul > li {
    display: block;
    padding: 0.75rem 1rem;
    color: #2c3e50;
    border-radius: 8px;
    cursor: pointer;
}

nav > ul > li > ul > li:hover {
    background-color: #f4f4f4;
    color: #74c69d;
}

/* Main content */
main {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

main section {
    color: #edf6f9;
    background-color: #edf6f9;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding-top: 4rem;
    padding-top: 4rem;
    padding: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem; 
}

main section header {
    text-align: center;
    margin-top: 2rem;
    background: none;
    box-shadow: none;
    padding: 0;
    grid-column: 1 / -1;
}

main section header h2 {
    color: #2c3e50;
    font-size: 2rem;
    font-weight: 600;
    position: relative;
    display: inline-block;
    padding-bottom: 0rem;
}

main section header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: #2c3e50;
}

article {
    background: #fff; 
    padding: 1.5rem;  
    border-radius: 8px; 
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05); 
}

main article:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

article h3 {
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
    color: #34495e;
    position: relative;
    display: inline-block;
}

article h3::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: #588157;
    transition: width 0.3s ease;
}

article:hover h3::after {
    width: 100%;
}

article p {
    margin: 1rem;
    color: #666;
    line-height: 1.8;
    margin-top: 0.5rem;
}

aside {
    background-color: #edf6f9;
    padding: 1rem;

    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    max-width: 1140px;
    margin-left: auto;
    margin-right: auto;
}

footer {
    background: #32746d;
    color: #fff;
    text-align: center;
    padding: 1.5rem 1rem;
    margin-top: 2rem;
    font-size: 0.9rem;
    border-radius: 0;
}

footer p {
    margin: 1rem;
    font-weight: 500;
}

footer p a:hover {
    color: #ecf0f1;
}

section footer {
    background: #588157;
    color: #fff;
    padding: 0.8rem;
    text-align: center;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s ease;
    margin-top: -1px;
    width: 100%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05); 
}

section footer:hover {
    background-color: #699268;
}

a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #2980b9;
}