body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
    line-height: 1.6;
    background-color: #0a0a0a;
}


header.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 30px;
    background-color: #000000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: background-color 0.3s ease;
}

header .logo {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
}

header nav {
    flex-grow: 1;
    display: flex;
    justify-content: center;
}

header nav ul {
    list-style: none;
    display: flex;
    gap: 25px;
    margin: 0;
    padding: 0;
}

header nav ul li a {
    text-decoration: none;
    color: #fff;
    font-weight: 600;
    transition: color 0.3s ease, transform 0.2s ease;
}

header nav ul li a:hover {
    color: #ff4c4c;
    transform: translateY(-3px);
}


.hero {
    text-align: center;
    padding: 100px 10px;
    background-color: #ffffff;
    margin: 0;
    border-bottom: 3px solid #ddd;
}

.hero h1 {
    font-size: 72px;
    margin: 0;
    font-weight: 700;
    color: #111;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.2);
}

.hero h2 {
    font-size: 22px;
    color: #333;
    font-weight: 500;
}


.section {
    padding: 40px 20px;
    background-color: #222;
    margin: 0;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}


h2 {
    font-size: 40px;
    text-align: center;
    margin: 0 0 40px 0;
    font-weight: 700;
    color: #fff;
    letter-spacing: 2px;
    text-transform: uppercase;
}


.article-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

details {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 12px;
    padding: 15px 25px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    margin: 20px auto;
    max-width: 900px;
    cursor: pointer;
    transition: transform 0.2s ease-in-out;
}

details:hover {
    transform: scale(1.03);
}

details summary {
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    color: #333;
    padding: 5px 0;
    border-bottom: 2px solid transparent;
    transition: color 0.3s ease, transform 0.2s ease;
}

details summary:hover {
    color: #ff4c4c;
    transform: translateX(5px);
}

details p {
    margin-top: 20px;
    font-size: 16px;
    line-height: 1.7;
    color: #555;
}

details[open] {
    border-color: #ff4c4c;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    padding: 40px 40px;
}

details[open] summary {
    font-weight: 700;
    color: #ff4c4c;
    border-color: #ff4c4c;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInText {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}


footer {
    background-color: #000000;
    color: white;
    padding: 30px 20px;
    text-align: center;
    font-size: 14px;
    letter-spacing: 1px;
    border-top: 3px solid #ddd;
    margin: 0;
}

footer p {
    margin: 0;
    font-size: 14px;
}


.video-section {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #000;
}

.video-section video {
    width: 100%;
    height: auto;
    display: block;
}

.chart-container {
    width: 90%;
   
    max-width: 1200px;

    margin: 0 auto;

    padding: 30px;
}

canvas {
    width: 100% !important;
  
    height: 500px !important;

}