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

body {
    font-family: Arial, sans-serif;
    color: #333;
    background: #f9f9f9;
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Шапка */
header {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 10;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #e63946;
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
    color: #e63946;
}

/* Кнопка */
.btn {
    display: inline-block;
    padding: 10px 25px;
    background: #e63946;
    color: #fff;
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: background 0.3s;
}

.btn:hover {
    background: #c1121f;
}

/* Герой */
.hero {
    background: #1d3557;
    color: #fff;
    text-align: center;
    padding: 100px 20px;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 15px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 25px;
}

/* Секции */
section {
    padding: 60px 0;
}

h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 30px;
}

/* Преимущества */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.feature-card {
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.feature-card h3 {
    color: #e63946;
    margin-bottom: 10px;
}

/* Каталог */
.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    border: 2px solid #e63946;
    background: transparent;
    color: #e63946;
    border-radius: 25px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s;
}

.filter-btn.active,
.filter-btn:hover {
    background: #e63946;
    color: #fff;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.product-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    background: #eee;
}

.product-info {
    padding: 15px;
}

.product-info h3 {
    margin-bottom: 8px;
}

.price {
    color: #e63946;
    font-weight: bold;
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.product-info .btn {
    display: block;
    text-align: center;
}

/* О нас */
.about-content {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    align-items: center;
}

.about-text {
    flex: 1;
    min-width: 280px;
}

.about-text p {
    margin-bottom: 15px;
    font-size: 1.05rem;
}

.about-image {
    flex: 1;
    min-width: 280px;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
}

/* Контакты */
.contact-container {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.contact-info,
.contact-form {
    flex: 1;
    min-width: 280px;
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.contact-info h3,
.contact-form h3 {
    color: #e63946;
    margin-bottom: 15px;
}

.contact-info p {
    margin-bottom: 10px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

input,
textarea {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* Подвал */
footer {
    background: #1d3557;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}

/* Мобильная адаптация */
@media (max-width: 600px) {
    .nav-links {
        gap: 10px;
        font-size: 0.9rem;
    }
    .hero h1 {
        font-size: 2rem;
    }
}