/* --- Глобальные стили и переменные --- */
:root {
    --primary-color: #4A47A3;
    --secondary-color: #706FD3;
    --accent-color: #AD62AA;
    --dark-color: #333;
    --light-color: #f4f4f4;
    --white-color: #fff;
    --font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white-color);
}

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

h1, h2, h3 {
    line-height: 1.2;
    margin-bottom: 20px;
}

h1 { font-size: 2.8rem; }
h2 { font-size: 2.2rem; color: var(--primary-color); }
p { margin-bottom: 15px; }
a { text-decoration: none; color: var(--primary-color); }

section {
    padding: 60px 0;
}

/* --- Шапка --- */
header {
    background: var(--white-color);
    padding: 20px 0;
    border-bottom: 1px solid #ddd;
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header .logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

header nav ul {
    list-style: none;
    display: flex;
}

header nav ul li {
    margin-left: 25px;
}

header nav ul li a {
    font-weight: 600;
    transition: color 0.3s ease;
}

header nav ul li a:hover, header nav ul li a.active {
    color: var(--accent-color);
}

.cta-button {
    background: var(--primary-color);
    color: var(--white-color);
    padding: 10px 25px;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background: var(--secondary-color);
}

.cta-button.secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}
.cta-button.secondary:hover {
    background: var(--primary-color);
    color: var(--white-color);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
}

/* --- Главная страница --- */
.hero {
    background: var(--light-color);
    text-align: center;
    padding: 80px 0;
}

.hero h1 {
    margin-bottom: 15px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 30px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    text-align: center;
}

.advantage-card {
    background: var(--light-color);
    padding: 30px;
    border-radius: 8px;
}

.for-whom {
    background: var(--primary-color);
    color: var(--white-color);
}
.for-whom h2 {
    color: var(--white-color);
    text-align: center;
}
.for-whom ul {
    list-style: none;
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
}
.for-whom ul li {
    margin-bottom: 10px;
}

.final-cta {
    text-align: center;
    background: var(--light-color);
}

/* --- Общие стили для внутренних страниц --- */
.page-header {
    background: var(--primary-color);
    color: var(--white-color);
    text-align: center;
    padding: 50px 0;
}
.page-header h1 { color: var(--white-color); }
.page-header p { font-size: 1.1rem; }

/* --- Страница "Услуги" --- */
.services-list .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.service-card {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 30px;
    display: flex;
    flex-direction: column;
}
.service-card h3 { color: var(--primary-color); }
.service-card h4 { margin-top: 15px; margin-bottom: 10px; }
.service-card ul { margin-left: 20px; margin-bottom: 20px; flex-grow: 1; }
.service-card ul li { margin-bottom: 5px; }

/* --- Страница "Как это работает" --- */
.process-steps .step {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    margin-bottom: 40px;
}
.step-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--secondary-color);
    min-width: 80px;
    text-align: center;
}

/* --- Страница "Контакты" --- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}
.contact-info p {
    font-size: 1.1rem;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}
.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}
.contact-form button {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
    border: none;
    cursor: pointer;
}
.form-policy {
    font-size: 0.8rem;
    color: #777;
    margin-top: 15px;
    text-align: center;
}

/* --- Подвал --- */
footer {
    background: var(--dark-color);
    color: var(--white-color);
    padding: 30px 0;
}
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
footer .logo {
    color: var(--white-color);
}
footer nav ul {
    list-style: none;
    display: flex;
}
footer nav ul li {
    margin-left: 20px;
}
footer nav ul li a {
    color: #ccc;
    transition: color 0.3s ease;
}
footer nav ul li a:hover {
    color: var(--white-color);
}

/* --- Адаптивность --- */
@media(max-width: 768px) {
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }

    header .cta-button { display: none; }
    header nav {
        display: none;
        position: absolute;
        top: 81px; /* Высота шапки */
        left: 0;
        width: 100%;
        background: var(--white-color);
        flex-direction: column;
        border-bottom: 1px solid #ddd;
    }
    header nav.active { display: flex; }
    header nav ul {
        flex-direction: column;
        width: 100%;
    }
    header nav ul li {
        margin: 0;
        text-align: center;
        border-top: 1px solid #eee;
    }
    header nav ul li a {
        display: block;
        padding: 15px;
    }
    .menu-toggle { display: block; }
    
    .advantages-grid, .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    footer nav ul {
        flex-direction: column;
        gap: 10px;
    }
    footer nav ul li {
        margin-left: 0;
    }
}