/* --- CSS Reset & Variables --- */
:root {
    /* Цветовая палитра */
    --primary: #ffcc00;
    --primary-dark: #e6b800; /* Темнее для наведения */
    --dark: #1f1f1f;
    --medium-gray: #666;
    --light-gray: #f0f0f0;
    --bg-color: #f8fafc;
    --white: #ffffff;
    --accent: #d32f2f;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --section-padding: 40px 20px;

    /* Шрифты */
    --font-main: 'Inter', sans-serif;
}

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

/* --- Typography & Body --- */
body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--dark);
    line-height: 1.6;
    padding-bottom: 80px; /* Отступ для mobile-cta */
}

/* --- Container --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-align: center;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    border: none;
    font-size: 1rem;
}
.btn--primary {
    background-color: var(--accent);
    color: var(--white);
}
.btn--primary:hover {
    background-color: #b71c1c; /* Темнее на hover */
}
.btn--large {
    padding: 16px 32px;
    font-size: 1.1rem;
}
.btn--full {
    width: 100%;
    padding: 16px;
}

/* --- Header --- */
.header {
    background-color: var(--dark);
    color: var(--white);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}
.logo {
    font-size: 1.5rem;
    font-weight: 800;
}
.logo span {
    color: var(--primary);
}

/* --- Sections --- */
.section {
    padding: var(--section-padding);
}

.section-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--dark);
    text-align: center;
}

/* --- Hero Section --- */
.hero {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4edf9 100%); /* Более интересный фон */
    text-align: center;
    border-radius: 0 0 20px 20px; /* Закругление только внизу */
    overflow: hidden; /* Для корректного закругления */
}
 max-width: 600px;
    margin: 0 auto;
    padding: 2rem 1rem;
}
.hero-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem); /* Адаптивный заголовок */
    margin-bottom: 0.5rem;
    color: var(--dark);
}
.hero-subtitle {
    font-size: 1.1rem;
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
}
.hero-subtitle strong {
    color: var(--accent);
    font-weight: 700;
}
.hero-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
    margin: 1.5rem auto;
    max-width: 500px;
}
.feature-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--white);
    padding: 1rem;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
}
.feature-card svg {
    margin-bottom: 0.5rem;
    color: var(--accent);
}

/* --- Income Section --- */
.income-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); /* Responsive grid */
    gap: 20px;
    margin-top: 2rem;
}
.income-card {
    background-color: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s ease;
}
.income-card:hover {
    transform: translateY(-5px);
}
.income-card h3 {
    font-size: 1rem;
    color: var(--medium-gray);
    margin-bottom: 0.5rem;
}
.highlight {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

/* --- Steps Section --- */
.steps-list {
    counter-reset: step-counter;
    list-style: none;
    max-width: 800px;
    margin: 0 auto;
}
.step-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    background-color: var(--white);
    padding: 1.25rem;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
}
.step-number {
    counter-increment: step-counter;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    background-color: var(--primary);
    color: var(--dark);
    border-radius: 50%;
    font-weight: bold;
    font-size: 1.25rem;
    margin-right: 1rem;
    flex-shrink: 0;
}
.step-content h3 {
    margin-bottom: 0.25rem;
    color: var(--dark);
}
.step-content p {
    color: var(--medium-gray);
}

/* --- FAQ Section --- */
.faq-item {
    background-color: var(--white);
    margin-bottom: 0.75rem;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    overflow: hidden;
}
.faq-item summary {
    padding: 1rem 1.25rem;
    cursor: pointer;
    font-weight: 600;
    outline: none;
    list-style: none;
}
.faq-item summary::-webkit-details-marker { /* Скрыть стандартную стрелку */
    display: none;
}
.faq-item summary::before { /* Кастомная стрелка */
    content: '▶';
    float: right;
    transition: transform 0.2s ease;
}
.faq-item[open] summary::before {
    transform: rotate(90deg);
}
.faq-item p {
    padding: 0 1.25rem 1rem 1.25rem;
    color: var(--medium-gray);
    border-top: 1px solid var(--light-gray);
}

/* --- Mobile CTA --- */
.mobile-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    padding: 10px 20px;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 999;
    display: none; /* Скрыт по умолчанию */
}

/* --- Footer --- */
.footer {
    text-align: center;
    font-size: 0.875rem;
    color: var(--medium-gray);
    padding: 2rem 0;
    margin-top: 2rem;
    border-top: 1px solid var(--light-gray);
}

/* --- Media Queries for Responsiveness --- */

/* --- Tablet --- */
@media (max-width: 768px) {
    .section-title {
        font-size: 1.5rem;
    }
    .hero-features {
        grid-template-columns: repeat(2, 1fr);
    }
    .btn--large {
        padding: 14px 28px;
        font-size: 1rem;
    }
}

/* --- Mobile --- */
@media (max-width: 480px) {
    :root {
        --section-padding: 30px 15px;
    }
    .hero-content {
        padding: 1.5rem 0.5rem;
    }
    .hero-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }
    .income-grid {
        grid-template-columns: 1fr; /* Карточки доходов одна под другой */
    }

    /* Показываем Mobile CTA на маленьких экранах */
    .mobile-cta {
        display: block;
    }
    /* Скрываем кнопку в шапке на главной, если видна Mobile CTA */
    .hero .btn--large {
        display: none; 
    }

    .step-item {
        flex-direction: column;
        align-items: flex-start;
    }
    .step-number {
        margin-bottom: 1rem;
        margin-right: 0;
    }
    .faq-item summary {
        font-size: 1rem;
    }
}