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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a2332 0%, #2d3e50 50%, #1f2937 100%);
    color: #f0f0f0;
    min-height: 100vh;
    line-height: 1.6;
}

header {
    background: rgba(26, 35, 50, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid rgba(255, 127, 80, 0.3);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    font-size: 1.6rem;
    font-weight: bold;
    background: linear-gradient(135deg, #4fc3f7 0%, #ff7f50 50%, #ffd54f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.5px;
}

.age-badge {
    display: inline-block;
    background: rgba(255, 127, 80, 0.2);
    border: 2px solid rgba(255, 127, 80, 0.6);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: bold;
    color: #ffab91;
    margin-left: 1rem;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

nav a {
    color: #f0f0f0;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
    font-weight: 500;
}

nav a:hover {
    color: #4fc3f7;
}

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

.hero {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, rgba(79, 195, 247, 0.15) 0%, rgba(255, 127, 80, 0.15) 100%);
    border-radius: 20px;
    margin-bottom: 3rem;
    border: 2px solid rgba(79, 195, 247, 0.3);
    box-shadow: 0 8px 32px rgba(79, 195, 247, 0.2);
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #4fc3f7 0%, #ff7f50 50%, #ffd54f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.hero p {
    font-size: 1.2rem;
    color: #d0d0d0;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #4fc3f7 0%, #ff7f50 100%);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(79, 195, 247, 0.4);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(79, 195, 247, 0.5);
}

.section {
    margin: 3rem 0;
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 15px;
    border: 1px solid rgba(79, 195, 247, 0.2);
}

.section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #4fc3f7;
    font-weight: 600;
}

.section p {
    color: #d0d0d0;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background: rgba(255, 255, 255, 0.06);
    border: 2px solid rgba(79, 195, 247, 0.3);
    border-radius: 15px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(79, 195, 247, 0.3);
    border-color: rgba(255, 127, 80, 0.5);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ff7f50;
    font-weight: 600;
}

.card p {
    color: #c0c0c0;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.card .age-badge {
    margin-left: 0;
    margin-bottom: 1rem;
}

footer {
    background: rgba(26, 35, 50, 0.95);
    border-top: 2px solid rgba(255, 127, 80, 0.3);
    padding: 2rem;
    margin-top: 4rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-disclaimer {
    background: rgba(255, 127, 80, 0.15);
    border: 2px solid rgba(255, 127, 80, 0.4);
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    color: #ffccbc;
    font-size: 0.95rem;
    font-weight: 500;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.footer-links a {
    color: #4fc3f7;
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

.footer-links a:hover {
    color: #ff7f50;
}

.footer-copyright {
    color: #909090;
    font-size: 0.85rem;
    margin-top: 1rem;
}

.form-container {
    max-width: 500px;
    margin: 2rem auto;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.06);
    border: 2px solid rgba(79, 195, 247, 0.3);
    border-radius: 15px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #d0d0d0;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(79, 195, 247, 0.3);
    border-radius: 8px;
    color: #f0f0f0;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4fc3f7;
    box-shadow: 0 0 10px rgba(79, 195, 247, 0.3);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.demo-warning {
    background: rgba(255, 213, 79, 0.15);
    border: 2px solid rgba(255, 213, 79, 0.5);
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    margin: 2rem 0;
    font-weight: bold;
    color: #ffd54f;
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        align-items: flex-start;
    }

    nav ul {
        flex-direction: column;
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .grid {
        grid-template-columns: 1fr;
    }
}