/* --- Кнопки --- */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: bold;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* --- Секция Hero --- */
.hero {
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem; /* 40px */
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.125rem; /* 18px */
    max-width: 600px;
    margin: 0 auto 2rem auto;
}

/* --- Секция Problems --- */
.problems-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.problems-section h2 {
    text-align: center;
    font-size: 2rem; /* 32px */
    margin-bottom: 3rem;
}

.problem-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.card {
    background: var(--background-color);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.card-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.card h3 {
    font-size: 1.25rem; /* 20px */
    margin-bottom: 0.5rem;
}

.card p {
    font-size: 1rem;
    color: #6c757d;
}

/* --- Секция Solution --- */
.solution-section {
    padding: 80px 0;
}

.solution-section h2 {
    text-align: center;
    font-size: 2rem; /* 32px */
    margin-bottom: 3rem;
}

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

.step {
    display: flex;
    align-items: center;
    gap: 30px;
}

.step:nth-child(even) {
    flex-direction: row-reverse;
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--background-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
}

.step-content h3 {
    font-size: 1.5rem; /* 24px */
    margin-bottom: 0.5rem;
}

.step-content p {
    font-size: 1.125rem; /* 18px */
}

/* --- Секция Features --- */
.features-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.features-section h2 {
    text-align: center;
    font-size: 2rem; /* 32px */
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-item h3 {
    font-size: 1.25rem; /* 20px */
    margin-bottom: 0.5rem;
}

.feature-item p {
    font-size: 1rem;
    color: #6c757d;
}

/* --- Секция CTA --- */
.cta-section {
    padding: 80px 0;
    text-align: center;
    background-color: var(--primary-color);
    color: var(--background-color);
}

.cta-section h2 {
    font-size: 2rem; /* 32px */
    margin-bottom: 1rem;
}

.cta-section p {
    margin-bottom: 2rem;
}

/* --- Footer --- */
.site-footer {
    padding: 40px 0;
    text-align: center;
    background-color: #f8f9fa;
    color: #6c757d;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

/* --- Offer Page --- */
.offer-section {
    padding: 4rem 0;
    background-color: #fff;
}

.offer-content {
    max-width: 800px;
    margin: 0 auto;
    background-color: #f9f9f9;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #eee;
}

.offer-text h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.offer-text h3 {
    font-size: 1.4rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.offer-text p, .offer-text li {
    line-height: 1.7;
    margin-bottom: 1rem;
}

.offer-text ul {
    padding-left: 20px;
    margin-bottom: 1rem;
}

.offer-text strong {
    color: var(--text-color);
}

.date-placeholder {
    float: right;
}