.inst-section {
    padding-top: 120px;
    padding-bottom: 100px;
    min-height: 80vh;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    letter-spacing: -1px;
}

.hero-title_ds {
    background: linear-gradient(135deg, var(--primary) 0%, #0077ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.inst-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    background: rgba(255, 255, 255, 0.03);
    padding: 8px;
    border-radius: 20px;
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.tab-btn {
    padding: 12px 24px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 14px;
    transition: all 0.3s var(--ease);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-btn i {
    font-size: 1.1rem;
}

.tab-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
    background: var(--primary);
    color: #000;
    box-shadow: 0 0 20px rgba(16, 199, 209, 0.3);
}

/* Контент вкладок */
.inst-content {
    display: none;
    background: var(--card-bg);
    backdrop-filter: blur(25px);
    border: 1px solid var(--border);
    border-radius: 32px;
    padding: 40px;
    max-width: 800px;
    margin: 0 auto;
    animation: fadeIn 0.5s var(--ease);
}

.inst-content.active {
    display: block;
}

.inst-content h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Стили шагов */
.inst-step {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 18px;
    border: 1px solid transparent;
    transition: 0.3s;
}

.inst-step:hover {
    border-color: var(--border);
    background: rgba(255, 255, 255, 0.04);
    transform: translateX(5px);
}

.inst-step-num {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: #fff;
    font-size: 0.9rem;
    box-shadow: 0 5px 15px rgba(112, 0, 255, 0.2);
}

.inst-step p {
    color: var(--text-main);
    line-height: 1.6;
    font-size: 1.1rem;
}

.inst-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px dashed var(--primary);
    transition: 0.3s;
}

.inst-link:hover {
    color: #fff;
    border-bottom-color: #fff;
}

/* Блок с аналогами / подсказками */
.analog-box {
    margin-top: 30px;
    padding: 20px;
    background: rgba(16, 199, 209, 0.05);
    border-left: 4px solid var(--primary);
    border-radius: 12px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.analog-box code {
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 6px;
    border-radius: 6px;
    color: var(--primary);
    font-family: monospace;
}

/* Блок общего обзора шагов */
.steps-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.overview-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    padding: 25px;
    border-radius: 24px;
    display: flex;
    gap: 15px;
    transition: 0.3s var(--ease);
    backdrop-filter: blur(10px);
}

.overview-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
    transform: translateY(-5px);
}

.overview-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary) 0%, #0077ff 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.2rem;
    color: #fff;
    box-shadow: 0 10px 20px rgba(0, 242, 255, 0.2);
}

.overview-text h4 {
    margin-bottom: 8px;
    font-size: 1.1rem;
    color: #fff;
}

.overview-text p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Разделитель */
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin-bottom: 30px;
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--border);
}

.divider span {
    padding: 0 20px;
}

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

    .inst-tabs {
        padding: 4px;
        border-radius: 15px;
    }

    .tab-btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }

    .inst-content {
        padding: 25px;
        border-radius: 24px;
    }

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}