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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    color: #1a1a1a;
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    padding: 40px;
}

header {
    text-align: center;
    margin-bottom: 60px;
    padding-bottom: 30px;
    border-bottom: 3px solid #0039a6;
    position: relative;
}

header::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: #d52b1e;
}

.main-title {
    font-size: 3.5em;
    color: #0039a6;
    margin-bottom: 10px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.subtitle {
    font-size: 1.3em;
    color: #666;
    font-weight: 500;
}

.timeline {
    position: relative;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #d52b1e 0%, #0039a6 50%, #ffffff 100%);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    padding-left: 80px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-marker {
    position: absolute;
    left: 18px;
    top: 10px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #0039a6;
    border: 4px solid white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    z-index: 2;
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-marker {
    transform: scale(1.3);
    background: #d52b1e;
    box-shadow: 0 4px 12px rgba(213, 43, 30, 0.4);
}

.timeline-content {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 20px;
    width: 0;
    height: 0;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    border-right: 12px solid #e0e0e0;
}

.timeline-content:hover {
    border-color: #0039a6;
    box-shadow: 0 4px 20px rgba(0, 57, 166, 0.15);
    transform: translateX(5px);
}

.timeline-content:hover::before {
    border-right-color: #0039a6;
}

.period-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.period-title {
    font-size: 1.8em;
    font-weight: 700;
    color: #0039a6;
}

.period-badge {
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9em;
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.q1-badge {
    background: linear-gradient(135deg, #d52b1e 0%, #b81d13 100%);
}

.q2-badge {
    background: linear-gradient(135deg, #0039a6 0%, #00277a 100%);
}

.q3-badge {
    background: linear-gradient(135deg, #d52b1e 0%, #b81d13 100%);
}

.q3-4-badge {
    background: linear-gradient(135deg, #0039a6 0%, #00277a 100%);
}

.q4-badge {
    background: linear-gradient(135deg, #d52b1e 0%, #b81d13 100%);
}

.focus-title {
    font-size: 1.3em;
    color: #d52b1e;
    margin-bottom: 20px;
    font-weight: 600;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
}

.tasks-list {
    list-style: none;
    margin-bottom: 20px;
}

.tasks-list > li {
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    color: #333;
    line-height: 1.8;
}

.tasks-list > li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: #0039a6;
    font-size: 0.8em;
}

.tasks-list > li strong {
    color: #0039a6;
    font-weight: 600;
}

.regions-list {
    list-style: none;
    margin-top: 10px;
    margin-left: 20px;
}

.regions-list li {
    padding: 6px 0;
    padding-left: 25px;
    position: relative;
    color: #555;
}

.regions-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #d52b1e;
    font-weight: bold;
}

.result-box {
    background: linear-gradient(135deg, #f8f9ff 0%, #e8edff 100%);
    border-left: 4px solid #0039a6;
    padding: 20px;
    border-radius: 8px;
    margin-top: 20px;
    color: #333;
    line-height: 1.8;
}

.result-box strong {
    color: #0039a6;
}

footer {
    text-align: center;
    margin-top: 60px;
    padding-top: 30px;
    border-top: 2px solid #e0e0e0;
    color: #666;
    font-style: italic;
}

/* Анимация появления элементов */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Адаптивность */
@media (max-width: 768px) {
    .container {
        padding: 20px;
    }

    .main-title {
        font-size: 2.5em;
    }

    .subtitle {
        font-size: 1.1em;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        padding-left: 60px;
    }

    .timeline-marker {
        left: 8px;
        width: 20px;
        height: 20px;
    }

    .timeline-content {
        padding: 20px;
    }

    .period-title {
        font-size: 1.4em;
    }

    .focus-title {
        font-size: 1.1em;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .main-title {
        font-size: 2em;
    }

    .period-header {
        flex-direction: column;
        align-items: flex-start;
    }
}