* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: #111111;
    color: #ffffff;
    font-family: Arial, sans-serif;
}

/* Главный экран */

.hero {
    min-height: 82vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px 50px;
}

.hero-content {
    width: 100%;
    max-width: 900px;
    text-align: center;
}

.hero-label {
    width: 100%;
    margin: 0 0 20px;
    text-align: center;
    font-size: 18px;
    line-height: 1.4;
    color: #22d3ee;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero h1 {
    margin: 0 0 28px;
    font-size: 84px;
    line-height: 1;
    color: #8b5cf6;
}

.hero-text {
    max-width: 720px;
    margin: 0 auto 36px;
    font-size: 26px;
    line-height: 1.4;
    color: #f2f2f2;
}

.hero-text span {
    display: block;
    margin-top: 8px;
}

.hero-button {
    display: inline-block;
    padding: 16px 28px;
    border-radius: 10px;
    background: #8b5cf6;
    color: #ffffff;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
}

.hero-button:hover {
    background: #7c3aed;
}

.hero-details {
    display: flex;
    justify-content: center;
    gap: 28px;
    margin-top: 28px;
    color: #b8b8b8;
    font-size: 17px;
}

/* Преимущества */

.advantages {
    max-width: 1100px;
    margin: 0 auto;
    padding: 55px 20px 80px;
}

.advantages h2 {
    margin: 0 0 40px;
    text-align: center;
    font-size: 42px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.advantage-card {
    padding: 28px;
    border: 1px solid #2a2a2a;
    border-radius: 16px;
    background: #171717;
}

.advantage-card h3 {
    margin: 0 0 14px;
    font-size: 24px;
    color: #22d3ee;
}

.advantage-card p {
    margin: 0;
    font-size: 18px;
    line-height: 1.5;
    color: #cfcfcf;
}

/* Что будет изучать ребёнок */

.skills {
    max-width: 1100px;
    margin: 0 auto;
    padding: 80px 20px;
}

.skills h2 {
    margin: 0 0 45px;
    text-align: center;
    font-size: 42px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.skill-card {
    position: relative;
    min-height: 240px;
    padding: 32px;
    overflow: hidden;
    border: 1px solid #292929;
    border-radius: 16px;
    background: #151515;
}

.skill-number {
    margin-bottom: 28px;
    font-size: 16px;
    font-weight: 700;
    color: #8b5cf6;
    letter-spacing: 2px;
}

.skill-card h3 {
    margin: 0 0 14px;
    font-size: 26px;
    color: #ffffff;
}

.skill-card p {
    margin: 0;
    font-size: 18px;
    line-height: 1.6;
    color: #cfcfcf;
}

/* Как проходят занятия */

.lesson-process {
    max-width: 1100px;
    margin: 0 auto;
    padding: 80px 20px;
}

.lesson-process h2 {
    margin: 0 0 45px;
    text-align: center;
    font-size: 42px;
}

.lesson-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.lesson-step {
    padding: 28px;
    border-top: 2px solid #22d3ee;
    background: #151515;
}

.lesson-step-number {
    margin-bottom: 24px;
    font-size: 15px;
    font-weight: 700;
    color: #8b5cf6;
    letter-spacing: 2px;
}

.lesson-step h3 {
    margin: 0 0 14px;
    font-size: 23px;
}

.lesson-step p {
    margin: 0;
    font-size: 17px;
    line-height: 1.6;
    color: #cfcfcf;
}

/* История клуба */

.story {
    max-width: 1100px;
    margin: 0 auto;
    padding: 90px 20px;
}

.story-content {
    max-width: 820px;
    margin: 0 auto;
    padding: 45px;
    border-left: 3px solid #8b5cf6;
    background: #151515;
}

.section-label {
    margin: 0 0 14px;
    font-size: 16px;
    font-weight: 700;
    color: #22d3ee;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.story h2 {
    margin: 0 0 28px;
    font-size: 42px;
}

.story p {
    margin: 0 0 20px;
    font-size: 19px;
    line-height: 1.7;
    color: #d0d0d0;
}

.story p:last-child {
    margin-bottom: 0;
}

/* Преподаватель */

.teacher {
    max-width: 1100px;
    margin: 0 auto;
    padding: 90px 20px;
}

.teacher-content {
    max-width: 820px;
    margin: 0 auto;
}

.teacher h2 {
    margin: 0 0 30px;
    font-size: 42px;
}

.teacher p {
    font-size: 20px;
    line-height: 1.8;
    color: #d2d2d2;
    margin-bottom: 22px;
}

/* Стоимость */

.price {
    max-width: 1100px;
    margin: 0 auto;
    padding: 90px 20px;
}

.price-card {
    max-width: 720px;
    margin: 0 auto;
    padding: 48px;
    text-align: center;
    border: 1px solid #2a2a2a;
    border-radius: 18px;
    background: #171717;
}

.price h2 {
    margin: 0 0 30px;
    font-size: 54px;
    color: #8b5cf6;
}

.price-list {
    max-width: 430px;
    margin: 0 auto 34px;
    padding: 0;
    list-style: none;
    text-align: left;
}

.price-list li {
    position: relative;
    margin-bottom: 16px;
    padding-left: 28px;
    font-size: 19px;
    line-height: 1.5;
    color: #d4d4d4;
}

.price-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #22d3ee;
    font-weight: 700;
}

/* Частые вопросы */

.faq {
    max-width: 900px;
    margin: 0 auto;
    padding: 90px 20px;
}

.faq > .section-label {
    text-align: center;
}

.faq > h2 {
    margin: 0 0 42px;
    text-align: center;
    font-size: 42px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq-item {
    border: 1px solid #2a2a2a;
    border-radius: 14px;
    background: #171717;
    overflow: hidden;
}

.faq-item summary {
    position: relative;
    padding: 24px 62px 24px 24px;
    cursor: pointer;
    list-style: none;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.4;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    position: absolute;
    top: 50%;
    right: 24px;
    transform: translateY(-50%);
    font-size: 28px;
    line-height: 1;
    color: #22d3ee;
}

.faq-item[open] summary::after {
    content: "−";
}

.faq-item[open] summary {
    color: #ffffff;
}

.faq-item p {
    margin: 0;
    padding: 0 24px 24px;
    font-size: 18px;
    line-height: 1.65;
    color: #cfcfcf;
}

/* Запись в VK */

.signup {
    max-width: 900px;
    margin: 0 auto;
    padding: 90px 20px 110px;
}

.signup-content {
    padding: 48px;
    border: 1px solid #2a2a2a;
    border-radius: 18px;
    text-align: center;
    background: #171717;
}

.signup .section-label {
    text-align: center;
}

.signup h2 {
    margin: 0 0 18px;
    font-size: 42px;
}

.signup-text {
    max-width: 620px;
    margin: 0 auto 32px;
    font-size: 18px;
    line-height: 1.6;
    color: #cfcfcf;
}

.signup-button {
    display: inline-block;
    padding: 16px 30px;
    border-radius: 10px;
    background: #8b5cf6;
    color: #ffffff;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
}

.signup-button:hover {
    background: #7c3aed;
}

.signup-note {
    margin: 18px 0 0;
    font-size: 15px;
    color: #9f9f9f;
}

@media (max-width: 768px) {

    body {
        overflow-x: hidden;
    }

    .hero h1 {
        font-size: 52px;
    }

    .hero-text {
        font-size: 20px;
    }

    .hero-details {
        flex-direction: column;
        gap: 10px;
    }


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


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


    .story-content,
    .signup-content,
    .price-card {
        padding: 28px 20px;
    }


    .story h2,
    .teacher h2,
    .price h2,
    .faq > h2,
    .signup h2,
    .advantages h2,
    .skills h2,
    .lesson-process h2 {
        font-size: 32px;
    }

}