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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    height: 100vh;
    overflow: hidden;
    position: relative;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('bg_splash.png');
    background-size: cover;
    background-position: top;
    opacity: 1;
    z-index: 0;
}

.language-selector {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 100;
    display: flex;
    gap: 10px;
}

.lang-btn {
    background: rgba(0, 0, 0, 0.6);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.lang-btn:hover {
    background: rgba(0, 0, 0, 0.8);
    border-color: rgba(255, 255, 255, 0.5);
}

.lang-btn.active {
    background: rgba(102, 126, 234, 0.8);
    border-color: rgba(102, 126, 234, 1);
}

.container {
    position: relative;
    z-index: 1;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    padding-left: 60px;
}

.content {
    background: rgb(111 111 111 / 27%);
    padding: 50px 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    max-width: 1100px;
    width: 100%;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.faq-section {
    text-align: left;
}

.faq-title {
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 25px;
    letter-spacing: -0.5px;
}

.accordion {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.accordion-item {
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.accordion-item:hover {
    background: rgba(255, 255, 255, 0.08);
}

.accordion-header {
    width: 100%;
    background: transparent;
    border: none;
    padding: 18px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    transition: all 0.3s ease;
}

.accordion-header:hover {
    color: #a78bfa;
}

.accordion-icon {
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s ease;
    color: #a78bfa;
}

.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 20px;
}

.accordion-item.active .accordion-content {
    max-height: 300px;
    padding: 0 20px 18px 20px;
}

.accordion-content p {
    color: #d1d5db;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.download-section {
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 30px;
    letter-spacing: -1px;
}

.download-btn {
    background: #2563eb;
    color: white;
    border: 2px solid #1e40af;
    padding: 16px 40px;
    font-size: 1.05rem;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
    min-width: 220px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.download-btn:hover {
    background: #1d4ed8;
    border-color: #1e3a8a;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
}

.download-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.download-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.download-icon {
    flex-shrink: 0;
}

.download-format {
    margin-top: 12px;
    font-size: 0.85rem;
    color: #9ca3af;
    font-weight: 500;
}

.instructions {
    margin-top: 40px;
    text-align: left;
    background: rgba(255, 255, 255, 0.03);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.instructions-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 16px;
}

.instructions-list {
    list-style: none;
    counter-reset: step-counter;
    padding: 0;
    margin: 0;
}

.instructions-list li {
    counter-increment: step-counter;
    position: relative;
    padding-left: 40px;
    margin-bottom: 14px;
    color: #d1d5db;
    font-size: 0.95rem;
    line-height: 1.6;
}

.instructions-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    background: #2563eb;
    color: white;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 600;
}

.instructions-list li:last-child {
    margin-bottom: 0;
}

@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .container {
        justify-content: center;
        padding-left: 20px;
    }
    
    .download-section {
        order: -1;
    }
}

@media (max-width: 600px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .content {
        padding: 30px 20px;
    }
    
    .download-btn {
        padding: 16px 40px;
        font-size: 1rem;
    }
    
    .faq-title {
        font-size: 1.5rem;
    }
    
    .language-selector {
        top: 10px;
        right: 10px;
        gap: 5px;
    }
    
    .lang-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}