/* Основные стили и сброс */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Georgia, 'Times New Roman', serif;
    line-height: 1.6;
    color: #2c3e50;
    max-width: 1090px;
    margin: 0 auto;
    background-color: #f8f9fa;
}

.container {
    padding: 40px 20px;
    max-width: 1050px;
    margin: 0 auto;
}

/* Блок 1: Hero - Oferta główna */
#hero {
    background: linear-gradient(135deg, #0057b7 0%, #4a90e2 100%);
    color: #ffffff;
    min-height: 470px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    position: relative;
    overflow: hidden;
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        0deg,
        rgba(255, 215, 0, 0.1) 0px,
        rgba(255, 215, 0, 0.1) 50px,
        transparent 50px,
        transparent 100px
    );
    pointer-events: none;
}

#hero .container {
    position: relative;
    z-index: 1;
}

#hero h1 {
    font-size: 2.8em;
    margin-bottom: 25px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    font-weight: bold;
}

#hero p {
    font-size: 1.3em;
    margin-bottom: 35px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

/* Стиль кнопки CTA */
.cta-button {
    display: inline-block;
    padding: 18px 45px;
    background-color: #ffd700;
    color: #0057b7;
    text-decoration: none;
    font-size: 1.2em;
    font-weight: bold;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 3px solid #ffd700;
}

.cta-button:hover {
    background-color: #ffffff;
    color: #0057b7;
    border-color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Блок специалистов */
#specialists {
    background-color: #ffffff;
    border-bottom: 5px solid #ffd700;
}

#specialists h2 {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 40px;
    color: #0057b7;
    position: relative;
    padding-bottom: 15px;
}

#specialists h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background-color: #ffd700;
}

.specialists-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.specialist-card {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    border-left: 5px solid #0057b7;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.specialist-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 87, 183, 0.2);
}

.specialist-card h3 {
    color: #0057b7;
    font-size: 1.5em;
    margin-bottom: 10px;
}

.specialist-title {
    color: #ffd700;
    font-weight: bold;
    margin-bottom: 15px;
    font-size: 1.1em;
    background-color: #0057b7;
    padding: 5px 10px;
    display: inline-block;
    border-radius: 5px;
}

.specialist-card p:last-child {
    color: #555;
    line-height: 1.7;
}

/* Блок отзывов */
#reviews {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    color: #2c3e50;
}

#reviews h2 {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 40px;
    color: #0057b7;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.review-card {
    background-color: #ffffff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    border-top: 4px solid #0057b7;
}

.review-text {
    font-style: italic;
    margin-bottom: 15px;
    color: #2c3e50;
    line-height: 1.7;
}

.review-author {
    font-weight: bold;
    color: #0057b7;
    text-align: right;
}

/* Блок продуктов */
#products {
    background-color: #e8f4f8;
    border-bottom: 5px solid #0057b7;
}

#products h2 {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 40px;
    color: #0057b7;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.product-card {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-bottom: 4px solid #ffd700;
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: scale(1.03);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.product-card h3 {
    color: #0057b7;
    font-size: 1.6em;
    margin-bottom: 15px;
}

.product-card p {
    color: #555;
    line-height: 1.7;
}

/* Артикул - выделение статьи */
.investment-article {
    background: linear-gradient(135deg, #0057b7 0%, #4a90e2 100%);
    color: #ffffff;
    padding: 40px;
    border-radius: 15px;
    margin-top: 50px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    border: 5px solid #ffd700;
}

.investment-article h2 {
    font-size: 2.2em;
    margin-bottom: 25px;
    color: #ffd700;
    text-align: center;
}

.investment-article p {
    font-size: 1.1em;
    margin-bottom: 20px;
    line-height: 1.8;
    text-align: justify;
}

/* Блок обучения и медиа */
#teaching-media {
    background-color: #ffffff;
    border-left: 8px solid #ffd700;
    border-right: 8px solid #0057b7;
}

#teaching-media h2 {
    text-align: center;
    font-size: 2.3em;
    margin-bottom: 30px;
    color: #0057b7;
}

#teaching-media p {
    font-size: 1.1em;
    line-height: 1.9;
    color: #2c3e50;
    text-align: justify;
    max-width: 900px;
    margin: 0 auto;
}

/* Блок newsletter */
#newsletter {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    text-align: center;
}

#newsletter h2 {
    font-size: 2.5em;
    margin-bottom: 20px;
    color: #0057b7;
}

#newsletter p {
    font-size: 1.2em;
    margin-bottom: 30px;
    color: #2c3e50;
}

#newsletter form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

#newsletter input[type="email"] {
    flex: 1;
    min-width: 250px;
    padding: 15px 20px;
    font-size: 1.1em;
    border: 3px solid #0057b7;
    border-radius: 50px;
    outline: none;
    transition: border-color 0.3s ease;
}

#newsletter input[type="email"]:focus {
    border-color: #003d82;
}

.subscribe-button {
    padding: 15px 40px;
    font-size: 1.1em;
    background-color: #0057b7;
    color: #ffffff;
    border: 3px solid #0057b7;
    border-radius: 50px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.subscribe-button:hover {
    background-color: #003d82;
    border-color: #003d82;
    transform: scale(1.05);
}

/* Блок отзыва от пользователя */
#leave-review {
    background-color: #e8f4f8;
    text-align: center;
}

#leave-review h2 {
    font-size: 2.3em;
    margin-bottom: 20px;
    color: #0057b7;
}

#leave-review p {
    font-size: 1.1em;
    margin-bottom: 30px;
    color: #2c3e50;
}

#leave-review form {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

#leave-review input[type="text"],
#leave-review textarea {
    padding: 15px 20px;
    font-size: 1.1em;
    border: 3px solid #0057b7;
    border-radius: 10px;
    outline: none;
    font-family: Georgia, 'Times New Roman', serif;
    transition: border-color 0.3s ease;
}

#leave-review input[type="text"]:focus,
#leave-review