body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #fdfdfd;
    color: #222;
    transition: 0.3s;
}

body.dark {
    background: #111;
    color: #eee;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    position: sticky;
    top: 0;
}

nav a {
    margin: 0 12px;
    text-decoration: none;
    color: inherit;
    font-weight: 600;
}

.toggle-btn {
    padding: 8px 15px;
    border: 1px solid;
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
}

.hero {
    text-align: center;
    padding: 100px 20px 60px;
}

.hero-btn {
    margin-top: 20px;
}

.btn {
    padding: 12px 26px;
    border: 2px solid #222;
    border-radius: 8px;
    color: inherit;
    text-decoration: none;
    font-weight: bold;
    transition: 0.25s;
}

.btn:hover {
    background: #222;
    color: #fff;
}

body.dark .btn {
    border-color: #eee;
}

body.dark .btn:hover {
    background: #eee;
    color: #111;
}

section {
    max-width: 900px;
    margin: 50px auto;
    text-align: center;
    padding: 0 20px;
}

.video-box {
    width: 100%;
    height: 200px;
    background: #ddd;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.story-card {
    padding: 20px;
    border: 1px solid #bbb;
    border-radius: 10px;
    margin: 20px auto;
}

.btn.small {
    padding: 8px 18px;
    font-size: 14px;
}

footer {
    margin-top: 60px;
    padding: 20px;
    text-align: center;
    opacity: 0.8;
}

footer a {
    color: inherit;
    text-decoration: none;
}

.social-links a {
    margin: 0 8px;
}