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

/* Body style - colorful, no white background */
body {
    font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
    background: linear-gradient(135deg, #071724 0%, #0b4f6c 45%, #ff7a59 100%);
    color: #f7f9fb;
    line-height: 1.6;
    padding: 36px 20px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Header styles */
header {
    text-align: center;
    padding: 18px 0 10px;
}

h1 {
    font-size: 2.6rem;
    letter-spacing: 0.6px;
    color: #fff;
    text-shadow: 0 6px 24px rgba(10,10,10,0.45);
}

/* Content styles */
.content {
    max-width: 900px;
    margin: 32px auto;
    text-align: center;
    padding: 28px;
}

.content p {
    font-size: 1.15rem;
    color: rgba(247,249,251,0.94);
    margin-bottom: 26px;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* Hero image - centered, framed, and interactive */
.hero-image {
    display: block;
    margin: 0 auto;
    width: min(86%, 760px);
    height: auto;
    border-radius: 16px;
    box-shadow: 0 18px 50px rgba(2,6,23,0.6), 0 6px 18px rgba(0,0,0,0.4);
    border: 6px solid rgba(255,255,255,0.04);
    transition: transform 350ms cubic-bezier(.2,.9,.3,1), box-shadow 350ms;
    transform-origin: center;
}

.hero-image:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 28px 70px rgba(2,6,23,0.7), 0 10px 30px rgba(0,0,0,0.5);
}

/* Footer styles */
footer {
    text-align: center;
    margin-top: 40px;
    font-size: 0.95rem;
    color: rgba(247,249,251,0.75);
}

@media (max-width: 640px) {
    h1 { font-size: 1.6rem; }
    .content { padding: 16px; }
    .hero-image { width: 94%; border-radius: 12px; }
}