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

:root {
    --yellow: #FFCC00;
    --yellow-dark: #FFB800;
    --black: #000000;
    --white: #FFFFFF;
    --gray-light: #F5F5F5;
    --gray: #666666;
    --gray-dark: #333333;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--black);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Шапка */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--black);
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background-color: var(--yellow);
    color: var(--black);
}

.btn-primary:hover {
    background-color: var(--yellow-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 204, 0, 0.4);
}

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
}

/* Главный экран */
.hero {
    background: linear-gradient(135deg, var(--yellow) 0%, var(--yellow-dark) 100%);
    padding: 80px 0;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.highlight {
    color: var(--white);
    background-color: var(--black);
    padding: 5px 15px;
    border-radius: 8px;
    display: inline-block;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 30px;
    color: var(--black);
}

.hero-features {
    list-style: none;
    margin-bottom: 40px;
}

.hero-features li {
    font-size: 18px;
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
}

.hero-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--black);
    font-weight: bold;
    font-size: 20px;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.income-card {
    background-color: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    text-align: center;
    min-width: 300px;
}

.income-header {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 20px;
}

.income-amount {
    font-size: 56px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 10px;
}

.income-period {
    font-size: 16px;
    color: var(--gray);
    margin-bottom: 30px;
}

.income-stats {
    display: flex;
    justify-content: space-around;
    padding-top: 30px;
    border-top: 2px solid var(--gray-light);
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray);
}

/* Калькулятор */
.calculator {
    padding: 100px 0;
    background-color: var(--white);
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--black);
}

.calculator-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
    align-items: start;
}

.calculator-inputs {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.input-group label {
    font-size: 18px;
    font-weight: 600;
    color: var(--black);
}

.input-group input[type="number"] {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--gray-light);
    border-radius: 8px;
    font-size: 18px;
    transition: border-color 0.3s ease;
}

.input-group input[type="number"]:focus {
    outline: none;
    border-color: var(--yellow);
}

.input-value {
    font-size: 20px;
    font-weight: 600;
    color: var(--black);
    padding: 10px 20px;
    background-color: var(--yellow);
    border-radius: 8px;
    display: inline-block;
    width: fit-content;
}

.calculator-result {
    background: linear-gradient(135deg, var(--yellow) 0%, var(--yellow-dark) 100%);
    border-radius: 20px;
    padding: 50px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(255, 204, 0, 0.3);
}

.result-label {
    font-size: 18px;
    color: var(--black);
    margin-bottom: 20px;
}

.result-amount {
    font-size: 64px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 10px;
}

.result-period {
    font-size: 18px;
    color: var(--black);
    margin-bottom: 30px;
}

.result-breakdown {
    display: flex;
    flex-direction: column;
    gap: 15px;
    padding-top: 30px;
    border-top: 2px solid rgba(0, 0, 0, 0.1);
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    font-size: 18px;
    font-weight: 600;
}

.calculator .btn {
    display: block;
    margin: 0 auto;
}

.cta-button-wrapper {
    text-align: center;
    margin-top: 50px;
}

/* Преимущества */
.advantages {
    padding: 100px 0;
    background-color: var(--gray-light);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.advantage-card {
    background-color: var(--white);
    padding: 40px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
    font-size: 48px;
    margin-bottom: 20px;
    height: 60px;
    width: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--black);
    background-color: var(--yellow);
    border-radius: 50%;
    margin: 0 auto 20px;
}

.icon-money::before {
    content: '₽';
}

.icon-time::before {
    content: '◷';
}

.icon-money::before {
    content: '₽';
    font-size: 36px;
    line-height: 1;
}

.icon-time::before {
    content: '◷';
    font-size: 36px;
    line-height: 1;
}

.icon-card::before {
    content: '💳';
    font-size: 36px;
    line-height: 1;
}

.icon-transport::before {
    content: '🚗';
    font-size: 36px;
    line-height: 1;
}

.icon-app::before {
    content: '📱';
    font-size: 36px;
    line-height: 1;
}

.icon-check::before {
    content: '✓';
    font-size: 36px;
    line-height: 1;
}

.advantage-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--black);
}

.advantage-text {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.6;
}

/* Как начать работать */
.how-it-works {
    padding: 100px 0;
    background-color: var(--white);
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background-color: var(--yellow);
    color: var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 700;
    margin: 0 auto 20px;
    box-shadow: 0 4px 15px rgba(255, 204, 0, 0.3);
}

.step-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--black);
}

.step-text {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.6;
}

/* Требования */
.requirements {
    padding: 100px 0;
    background-color: var(--black);
    color: var(--white);
}

.requirements .section-title {
    color: var(--white);
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.requirement-item {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: 16px;
    border: 2px solid var(--yellow);
}

.requirement-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--yellow);
}

.requirement-text {
    font-size: 16px;
    color: var(--white);
    line-height: 1.6;
}

/* Отзывы */
.reviews {
    padding: 100px 0;
    background-color: var(--gray-light);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.review-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.review-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--black);
}

.review-rating {
    color: var(--yellow);
    font-size: 18px;
}

.review-text {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.6;
    font-style: italic;
}

/* FAQ */
.faq {
    padding: 100px 0;
    background-color: var(--white);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 2px solid var(--gray-light);
    margin-bottom: 20px;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 0;
    cursor: pointer;
    font-size: 20px;
    font-weight: 600;
    color: var(--black);
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: var(--yellow-dark);
}

.faq-toggle {
    font-size: 32px;
    font-weight: 300;
    color: var(--yellow);
    transition: transform 0.3s ease;
    min-width: 30px;
    text-align: center;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: 25px;
}

.faq-answer p {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.8;
}

/* Футер */
.footer {
    background-color: var(--black);
    color: var(--white);
    padding: 40px 0;
    text-align: center;
}

.footer-logo {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--yellow);
}

.footer-text {
    font-size: 14px;
    color: var(--gray);
}

/* Адаптивность */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 36px;
    }

    .calculator-wrapper {
        grid-template-columns: 1fr;
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .requirements-grid {
        grid-template-columns: 1fr;
    }

    .reviews-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 60px 0;
    }

    .hero-title {
        font-size: 28px;
    }

    .section-title {
        font-size: 32px;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .steps {
        grid-template-columns: 1fr;
    }

    .income-card {
        min-width: auto;
        padding: 30px 20px;
    }

    .income-amount {
        font-size: 42px;
    }

    .result-amount {
        font-size: 48px;
    }

    .btn-large {
        padding: 14px 30px;
        font-size: 16px;
    }
}