/* Reset some default styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0a0a0a, #1a1a1a);
    color: #eee;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 0;
}

/* Hero Section */
.hero {
    background: linear-gradient(90deg, #002233, #004466);
    text-align: center;
    padding: 120px 20px;
    border-bottom: 5px solid #0ff;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 900;
    letter-spacing: 3px;
    color: #00ffff;
    text-shadow: 0 0 15px #00ffff;
}

.hero .slogan {
    font-size: 1.8rem;
    margin-top: 20px;
    font-weight: 600;
    color: #99ffff;
    font-style: italic;
}

/* Sections */
section h3 {
    font-size: 2.5rem;
    margin-bottom: 25px;
    color: #00ccd7;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 5px #00ccd7;
}

/* About */
.about p,
.charging-stations p,
.technology p,
.impact p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
    color: #ccc;
    text-align: center;
    padding-bottom: 40px;
}

/* Energy Sources grid */
.energy-grid {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.energy-card {
    background: #003344;
    border: 2px solid #00ccd7;
    border-radius: 15px;
    padding: 30px;
    width: 280px;
    box-shadow: 0 0 15px #00ccd7aa;
    transition: transform 0.3s ease;
}

.energy-card:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px #00ffffcc;
}

.energy-card h4 {
    color: #00ffff;
    margin-bottom: 15px;
    font-size: 1.6rem;
    text-align: center;
    text-shadow: 0 0 10px #00ffff;
}

.energy-card p {
    color: #ddd;
    font-size: 1rem;
    line-height: 1.4;
    text-align: center;
}

/* Footer */
.footer {
    text-align: center;
    padding: 30px 0;
    border-top: 3px solid #00cccc;
    color: #444;
    font-size: 0.9rem;
    background: #000a0a;
}