body {
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(120deg, #e0eafc 0%, #cfdef3 100%);
    min-height: 100vh;
    color: #222;
}
header {
    background: linear-gradient(90deg, #2c3e50 60%, #2980b9 100%);
    color: #fff;
    padding: 32px 0 24px 0;
    box-shadow: 0 2px 8px rgba(44,62,80,0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
}
header h1 {
    margin: 0 0 8px 0;
    font-size: 2.5rem;
    letter-spacing: 2px;
    text-align: center;
}
nav {
    text-align: center;
    margin-top: 8px;
}
nav a {
    color: #fff;
    margin: 0 18px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: color 0.2s;
}
nav a:hover {
    color: #ffe082;
}
main {
    max-width: 700px;
    margin: 40px auto 0 auto;
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 4px 24px rgba(44,62,80,0.10);
    padding: 36px 32px 32px 32px;
    min-height: 320px;
}
main h2 {
    margin-top: 0;
    color: #2980b9;
    font-size: 2rem;
}
main p {
    font-size: 1.15rem;
    line-height: 1.7;
}
footer {
    background: linear-gradient(90deg, #2c3e50 60%, #2980b9 100%);
    color: #fff;
    text-align: center;
    padding: 28px 0 18px 0;
    font-size: 1.1rem;
    letter-spacing: 1px;
    box-shadow: 0 -2px 8px rgba(44,62,80,0.08);
    border-top-left-radius: 18px;
    border-top-right-radius: 18px;
    margin-top: 48px;
    position: static;
    width: 100%;
}

/* Крутые декоративные элементы */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 320px;
    background: linear-gradient(120deg, #2980b9 0%, #6dd5fa 100%);
    z-index: 0;
    border-bottom-left-radius: 60% 20%;
    border-bottom-right-radius: 60% 20%;
    opacity: 0.18;
    pointer-events: none;
}

header, main, footer {
    position: relative;
    z-index: 1;
}

/* Логотип */
.logo {
    display: block;
    margin: 0 auto 12px auto;
    max-width: 120px;
    max-height: 120px;
    border-radius: 18px;
    box-shadow: 0 2px 12px rgba(44,62,80,0.10);
    background: #fff;
    padding: 8px;
    object-fit: contain;
    transition: box-shadow 0.2s;
}
.logo:hover {
    box-shadow: 0 6px 24px rgba(44,62,80,0.18);
}

/* Карточки для секций */
section {
    background: rgba(255,255,255,0.95);
    border-radius: 16px;
    box-shadow: 0 2px 16px rgba(44,62,80,0.07);
    margin-bottom: 32px;
    padding: 28px 24px 18px 24px;
    transition: box-shadow 0.2s;
}
section:hover {
    box-shadow: 0 6px 32px rgba(44,62,80,0.13);
}

section h3 {
    color: #2980b9;
    margin-top: 0;
    font-size: 1.3rem;
}

ul {
    margin: 12px 0 0 18px;
    padding: 0;
}

@media (max-width: 800px) {
    main {
        padding: 12px 2px 12px 2px;
    }
    header h1 {
        font-size: 2rem;
    }
    .hero-bg {
        height: 180px;
    }
    section {
        padding: 14px 6px 10px 6px;
    }
}