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


body {
    font-family: 'Georgia', serif;
    line-height: 1.6;
    color: #333;
    background: #f8f9fa;
}

html {
    scroll-behavior: smooth;
}

header {
    background: linear-gradient(90deg, #1a1a2e, #16213e);
    color: white;
    padding: 2rem 0;
    border-bottom: 4px solid #0f3460;
}


.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}


h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 400;
}


.subtitle {
    font-size: 1.1rem;
    color: #a8b2d1;
    font-style: italic;
}


nav {
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}


nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    padding: 1rem 0;
}


nav a {
    text-decoration: none;
    color: white;
    background: #0f3460;
    padding: 0.5rem 1.5rem;
    transition: all 0.3s ease;
}


nav a:hover {
    color: white;
    background: #1a1a2e;
}


section {
    background: white;
    margin: 2rem auto;
    padding: 3rem 2rem;
    max-width: 1200px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

section:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}


h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #1a1a2e;
    border-bottom: 2px solid #0f3460;
    padding-bottom: 0.5rem;
    font-weight: 400;
}


.abstract {
    background: #f1f3f5;
    padding: 2rem;
    border-left: 4px solid #0f3460;
    margin: 1.5rem 0;
}


.methodology {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}


.method-card {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 4px;
    border-top: 3px solid #0f3460;
    border-left: 4px solid #0f3460;
}


.method-card h3 {
    color: #1a1a2e;
    margin-bottom: 0.5rem;
}


footer {
    background: linear-gradient(90deg, #1a1a2e, #16213e);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}


.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}


.team-member {
    text-align: center;
}


.team-member h3 {
    font-size: 1.1rem;
    margin: 0.5rem 0;
}


.results-container {
    margin: 2rem 0;
}


.event-card {
    background: #f8f9fa;
    padding: 1.5rem;
    margin: 1rem 0;
    border-left: 4px solid #0f3460;
    border-radius: 4px;
}


.positive {
    border-left-color: #28a745;
}


.negative {
    border-left-color: #dc3545;
}


.stock-impact {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}


.stock-card {
    background: white;
    padding: 1rem;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border-left: 4px solid #0f3460;
}


button {
    background: linear-gradient(90deg, #0f3460, #16213e);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    cursor: pointer;
    border-radius: 4px;
}


button:hover {
    color: white;
    background: #1a1a2e;
}


.loading {
    text-align: center;
    padding: 2rem;
    color: #666;
}