.how-to-hero {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    padding: 120px 0 60px;
    text-align: center;
}

.how-to-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ff6b35, #4ecdc4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.how-to-hero p {
    font-size: 1.2rem;
    color: #cccccc;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.platform-selector {
    background: #242424;
    padding: 40px 0;
}

.platform-selector h2 {
    text-align: center;
    color: #4ecdc4;
    font-size: 2rem;
    margin-bottom: 30px;
}

.platform-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.platform-tab {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: #1a1a1a;
    border: 2px solid #333;
    border-radius: 12px;
    color: #cccccc;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    font-weight: 600;
}

.platform-tab:hover,
.platform-tab.active {
    border-color: #ff6b35;
    background: rgba(255, 107, 53, 0.1);
    color: #ff6b35;
    transform: translateY(-2px);
}

.tab-icon {
    font-size: 1.5rem;
}

.tutorial-content {
    background: #1a1a1a;
    padding: 60px 0;
}

.platform-guide {
    display: none;
}

.platform-guide.active {
    display: block;
}

.platform-guide h2 {
    color: #ff6b35;
    font-size: 2.2rem;
    margin-bottom: 40px;
    text-align: center;
}

.step-section {
    margin-bottom: 50px;
    background: #2d2d2d;
    padding: 40px;
    border-radius: 15px;
    border-left: 5px solid #ff6b35;
}

.step-section h3 {
    color: #4ecdc4;
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.step-section p {
    color: #cccccc;
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 30px;
}

.executors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.executor-card {
    background: #1a1a1a;
    padding: 25px;
    border-radius: 12px;
    border: 2px solid #444;
    transition: all 0.3s ease;
}

.executor-card:hover {
    transform: translateY(-5px);
    border-color: #ff6b35;
    box-shadow: 0 15px 35px rgba(255, 107, 53, 0.2);
}

.executor-card.recommended {
    border-color: #4ecdc4;
    background: linear-gradient(135deg, #1a1a1a 0%, rgba(78, 205, 196, 0.05) 100%);
}

.executor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.executor-header h4 {
    color: #ff6b35;
    font-size: 1.3rem;
}

.badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.recommended-badge {
    background: rgba(78, 205, 196, 0.2);
    color: #4ecdc4;
    border: 1px solid #4ecdc4;
}

.badge:not(.recommended-badge) {
    background: rgba(255, 107, 53, 0.2);
    color: #ff6b35;
    border: 1px solid #ff6b35;
}

.executor-features {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}

.executor-features li {
    color: #cccccc;
    margin-bottom: 8px;
    padding-left: 5px;
}

.executor-download-btn {
    display: block;
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #ff6b35, #ff8a5b);
    color: white;
    text-decoration: none;
    text-align: center;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.executor-download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.3);
}

.installation-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.install-step {
    display: flex;
    gap: 20px;
    background: #1a1a1a;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid #333;
}

.step-number {
    background: #ff6b35;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h4 {
    color: #4ecdc4;
    margin-bottom: 8px;
}

.step-content p {
    color: #cccccc;
    line-height: 1.6;
    margin: 0;
}

.execution-steps,
.mobile-execution,
.ios-execution {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.exec-step,
.mobile-step,
.ios-step {
    background: #1a1a1a;
    padding: 25px;
    border-radius: 12px;
    border: 1px solid #333;
    text-align: center;
    transition: all 0.3s ease;
}

.exec-step:hover,
.mobile-step:hover,
.ios-step:hover {
    transform: translateY(-3px);
    border-color: #4ecdc4;
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.step-info h4,
.mobile-step h4,
.ios-step h4 {
    color: #ff6b35;
    margin-bottom: 10px;
}

.step-info p,
.mobile-step p,
.ios-step p {
    color: #cccccc;
    line-height: 1.6;
    margin: 0;
}

.ios-warning {
    background: rgba(255, 193, 7, 0.1);
    border: 2px solid #ffc107;
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
}

.ios-warning h4 {
    color: #ffc107;
    margin-bottom: 15px;
}

.ios-warning p {
    color: #cccccc;
    margin-bottom: 15px;
}

.ios-warning ul {
    color: #cccccc;
    padding-left: 20px;
}

.ios-warning li {
    margin-bottom: 8px;
}

.ios-steps {
    display: flex;
    justify-content: space-around;
    gap: 20px;
    margin-top: 20px;
}

.ios-steps .ios-step {
    flex: 1;
    min-width: 200px;
}

.safety-tips {
    background: #242424;
    padding: 80px 0;
}

.safety-tips h2 {
    text-align: center;
    color: #4ecdc4;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

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

.safety-card {
    background: #1a1a1a;
    padding: 30px;
    border-radius: 15px;
    border: 2px solid #333;
    transition: all 0.3s ease;
}

.safety-card:hover {
    transform: translateY(-5px);
    border-color: #ff6b35;
}

.safety-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 20px;
}

.safety-card h3 {
    color: #ff6b35;
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.4rem;
}

.safety-card ul {
    list-style: none;
    padding: 0;
}

.safety-card li {
    color: #cccccc;
    margin-bottom: 12px;
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
}

.safety-card li::before {
    content: '🔹';
    position: absolute;
    left: 0;
}

.troubleshooting {
    background: #1a1a1a;
    padding: 80px 0;
}

.troubleshooting h2 {
    text-align: center;
    color: #4ecdc4;
    font-size: 2.5rem;
    margin-bottom: 50px;
}

.troubleshooting-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    background: #2d2d2d;
    border-radius: 12px;
    margin-bottom: 15px;
    border: 1px solid #444;
    overflow: hidden;
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.accordion-header:hover {
    background: rgba(255, 107, 53, 0.1);
}

.accordion-header h3 {
    color: #ff6b35;
    margin: 0;
    font-size: 1.2rem;
}

.accordion-icon {
    font-size: 1.5rem;
    color: #4ecdc4;
    transition: transform 0.3s ease;
}

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

.accordion-content {
    display: none;
    padding: 0 25px 25px;
}

.accordion-item.active .accordion-content {
    display: block;
}

.accordion-content ul {
    list-style: none;
    padding: 0;
}

.accordion-content li {
    color: #cccccc;
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
    line-height: 1.6;
}

.accordion-content li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #4ecdc4;
}

.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: #2d2d2d;
    margin: 10% auto;
    padding: 40px;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    position: relative;
    border: 2px solid #ff6b35;
}

.close {
    color: #ff6b35;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 15px;
}

.close:hover {
    color: #ff8a5b;
}

.modal-content h2 {
    color: #ff6b35;
    margin-bottom: 20px;
}

.modal-content p {
    color: #cccccc;
    margin-bottom: 20px;
    line-height: 1.6;
}

.modal-content ul {
    color: #cccccc;
    margin-bottom: 20px;
    padding-left: 20px;
}

.modal-content li {
    margin-bottom: 8px;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .how-to-hero h1 {
        font-size: 2.5rem;
    }

    .platform-tabs {
        gap: 10px;
    }

    .platform-tab {
        padding: 12px 20px;
        font-size: 1rem;
    }

    .executors-grid {
        grid-template-columns: 1fr;
    }

    .installation-steps {
        gap: 15px;
    }

    .install-step {
        flex-direction: column;
        gap: 15px;
    }

    .execution-steps,
    .mobile-execution {
        grid-template-columns: 1fr;
    }

    .safety-grid {
        grid-template-columns: 1fr;
    }

    .step-section {
        padding: 30px 20px;
    }

    .ios-steps {
        flex-direction: column;
    }

    .modal-content {
        margin: 20% auto;
        padding: 30px;
    }
}