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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #E8E1D5;
    color: #1a2744;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 10px 10px;
}

.logo {
    text-align: center;
}

.logo img {
    max-width: 350px;
    width: 100%;
    height: auto;
}

.banner {
    background-image: url('../banner.png');
    background-size: 80%;
    background-repeat: no-repeat;
    background-position: center;
    border-radius: 30px;
    padding: 40px 50px;
    position: relative;
    overflow: hidden;
    min-height: 230px;
    width: 100%;
    height: auto;
}

.description {
    text-align: center;
    margin-bottom: 50px;
    padding: 0 20px;
}

.description h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #1a2744;
    margin-bottom: 30px;
    line-height: 1.4;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.feature-card {
    background-color: white;
    border-radius: 20px;
    padding: 25px 20px;
    box-shadow: 0 4px 15px rgba(26, 39, 68, 0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(26, 39, 68, 0.12);
}

.feature-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #3ba9d9, #2a8db8);
    border-radius: 15px;
    margin-bottom: 15px;
}

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

.feature-content h4 {
    font-size: 1.2rem;
    color: #1a2744;
    margin-bottom: 8px;
    font-weight: 700;
}

.feature-content p {
    font-size: 0.95rem;
    color: #4a5568;
    line-height: 1.6;
    margin: 0;
}

.buttons {
    display: flex;
    gap: 30px;
    justify-content: center;
    margin-bottom: 40px;
}

.btn {
    text-decoration: none;
    padding: 25px 45px;
    border-radius: 25px;
    font-size: 1.2rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: transform 0.2s;
}

.btn:visited {
    color: inherit; 
}

.btn:focus {
    outline: none; 
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-add {
    background-color: #1a2744;
    color: white;
}

.btn-join {
    background-color: #3ba9d9;
    color: #1a2744;
}

.btn-icon {
    background: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #1a2744;
}

.btn-join .btn-icon {
    background: #1a2744;
    color: white;
    padding-left: 5px;
    padding-top: 3px;
    font-size: 90%;
}

.faq-section {
    background-color: #1a2744;
    border-radius: 40px;
    padding: 40px 50px;
}

.faq-title {
    text-align: center;
    color: white;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 40px;
}

.faq-item {
    margin-bottom: 20px;
}

.faq-question {
    background-color: #E8E1D5;
    color: #1a2744;
    padding: 10px 30px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
    position: relative;
    z-index: 1;
}

.faq-item.active .faq-question {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    background-color: #3ba9d9;
}

.faq-question:hover {
    background-color: #d5cdb9;
}

.faq-toggle {
    background-color: #1a2744;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
    transition: transform 0.3s;
}

.faq-answer {
    background-color: #3ba9d9;
    color: #1a2744;
    padding: 0px 30px 25px 30px;
    border-radius: 50px;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    margin-top: 0;
    font-size: 1rem;
    line-height: 1.6;
    display: none;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

@media (max-width: 768px) {
    .buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .banner {
        min-height: 150px;
        padding: 20px 25px;
        border-radius: 20px;
    }

    .logo img {
        max-width: 250px;
        width: 100%;
        height: auto;
    }

    .faq-section {
        padding: 40px 25px;
        border-radius: 30px;
    }

    .faq-title {
        font-size: 2.5rem;
    }

    .btn {
        padding: 20px 30px;
        font-size: 1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .feature-content h4 {
        font-size: 1.2rem;
    }

    .feature-content p {
        font-size: 1rem;
    }

    .description h3 {
        font-size: 1.6rem;
    }
}