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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    flex-wrap: wrap;
}

.header h1 {
    color: #667eea;
    font-size: 2rem;
    margin-bottom: 10px;
}

.nav {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.nav a {
    color: #333;
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav a:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

.main {
    background: white;
    margin: 30px auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    padding: 40px;
    max-width: 1200px;
}

.intro {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 40px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.intro p {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.button-container {
    text-align: center;
    margin-bottom: 25px;
}

.main-button {
    display: inline-block;
    background: white;
    color: #667eea;
    padding: 15px 40px;
    font-size: 1.3rem;
    font-weight: bold;
    text-decoration: none;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    border: 2px solid white;
}

.main-button:hover {
    background: transparent;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.play-button {
    display: inline-block;
    background: linear-gradient(135deg, #00e676 0%, #00c853 100%);
    color: #fff;
    padding: 16px 48px;
    font-size: 1.4rem;
    font-weight: bold;
    text-decoration: none;
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(0, 230, 118, 0.5);
    transition: all 0.3s ease;
    border: 2px solid #fff;
    margin-left: 15px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.play-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 25px rgba(0, 230, 118, 0.6);
    background: linear-gradient(135deg, #00c853 0%, #00a843 100%);
}

@media (max-width: 480px) {
    .play-button {
        margin-left: 0;
        margin-top: 10px;
    }
}

.text-link {
    color: #ffeb3b;
    text-decoration: underline;
    font-weight: 600;
    transition: color 0.3s ease;
}

.text-link:hover {
    color: #ffffff;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}

.section {
    margin-bottom: 50px;
    padding: 30px;
    background: #f9f9f9;
    border-radius: 10px;
    border-left: 5px solid #667eea;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.section:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.section h2 {
    color: #667eea;
    font-size: 2rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 3px solid #667eea;
}

.section p {
    margin-bottom: 15px;
    text-align: justify;
    font-size: 1.05rem;
}

.advantages-list,
.features-list,
.blocking-reasons,
.benefits-list,
.security-list {
    list-style: none;
    padding-left: 0;
    margin: 20px 0;
}

.advantages-list li,
.features-list li,
.blocking-reasons li,
.benefits-list li,
.security-list li {
    padding: 12px 15px;
    margin-bottom: 10px;
    background: white;
    color: #333;
    border-left: 4px solid #667eea;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.advantages-list li:hover,
.features-list li:hover,
.blocking-reasons li:hover,
.benefits-list li:hover,
.security-list li:hover {
    transform: translateX(5px);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
}

.methods-list,
.steps-list {
    padding-left: 25px;
    margin: 20px 0;
}

.methods-list li,
.steps-list li {
    padding: 10px 0;
    font-size: 1.05rem;
    line-height: 1.8;
}

.methods-list li strong,
.steps-list li strong {
    color: #667eea;
}

.faq-container {
    margin: 30px 0;
}

.faq-item {
    background: white;
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.faq-question {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    margin: 0;
    cursor: pointer;
    font-size: 1.2rem;
    user-select: none;
    transition: background 0.3s ease;
}

.faq-question:hover {
    background: linear-gradient(135deg, #5568d3 0%, #653a91 100%);
}

.faq-answer {
    padding: 20px;
    margin: 0;
    display: none;
    font-size: 1.05rem;
    line-height: 1.8;
    color: #555;
}

.faq-item.active .faq-answer {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.footer {
    background: rgba(0, 0, 0, 0.8);
    color: white;
    text-align: center;
    padding: 30px 20px;
    margin-top: 50px;
}

.footer p {
    margin: 0;
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Responsive design */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        text-align: center;
    }

    .header h1 {
        font-size: 1.5rem;
        margin-bottom: 15px;
    }

    .nav {
        justify-content: center;
    }

    .main {
        padding: 20px;
        margin: 15px;
    }

    .section {
        padding: 20px;
    }

    .section h2 {
        font-size: 1.5rem;
    }

    .intro {
        padding: 20px;
    }

    .faq-question {
        font-size: 1rem;
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.2rem;
    }

    .nav a {
        padding: 8px 12px;
        font-size: 0.9rem;
    }

    .section h2 {
        font-size: 1.3rem;
    }
}