body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: url('../foto/bg2.png') no-repeat center center fixed;
    background-size: cover;
    color: #ffffff;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

nav {
    background-color: rgba(0, 0, 0, 0.85);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    box-shadow: 0 0 15px rgba(0,0,0,0.5);
}

.logo a {
    font-weight: bold;
    font-size: 1.5rem;
    color: #00ffd5;
    text-decoration: none;
    transition: 0.3s;
}

.logo a:hover {
    color: #ffdd00;
}

.nav-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.nav-links a {
    color: #00ffd5;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #ffdd00;
}

header {
    text-align: center;
    padding: 3rem 1rem;
    font-size: 2rem;
    font-weight: bold;
    color: #ffdd00;
    text-shadow: 0 0 10px rgba(0,0,0,0.8);
}

.buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
}

.buttons button {
    padding: 1.2rem 2.5rem;
    border: none;
    border-radius: 12px;
    font-size: 1.2rem;
    font-weight: 600;
    background: linear-gradient(45deg, #00ffd5, #00bfff);
    color: #121212;
    cursor: pointer;
    transition: transform 0.3s, background 0.3s;
    width: 85%;
    max-width: 400px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.buttons button:hover {
    transform: scale(1.05);
    background: linear-gradient(45deg, #00bfa5, #0099cc);
}

.about-section {
    margin: 2rem auto;
    text-align: center;
    width: 90%;
    max-width: 800px;
    background: rgba(0, 0, 0, 0.6);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

.about-section button {
    padding: 0.8rem 1.5rem;
    background-color: #444;
    border: none;
    border-radius: 10px;
    color: #fff;
    cursor: pointer;
    transition: 0.3s;
    font-weight: 600;
}

.about-section button:hover {
    background-color: #666;
}

.about-text {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.6s ease, opacity 0.6s ease;
    opacity: 0;
    margin-top: 1rem;
}

.about-text.show {
    max-height: 600px;
    opacity: 1;
}

footer {
    background-color: rgba(0, 0, 0, 0.85);
    padding: 2rem 1rem;
    text-align: center;
    margin-top: auto;
}

.footer-links {
    margin-bottom: 1rem;
}

.footer-links a {
    margin: 0 0.5rem;
    color: #00ffd5;
    text-decoration: none;
    font-weight: 500;
}

.footer-links a:hover {
    color: #ffdd00;
}

.social-icons a {
    margin: 0 0.5rem;
    color: #fff;
    font-size: 1.8rem;
    transition: 0.3s;
}

.social-icons a:hover {
    color: #00ffd5;
}

.modal {
    display: none;
    position: fixed;
    z-index: 999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: #222;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0,0,0,0.8);
    max-width: 500px;
    text-align: center;
    color: #fff;
}

.close-btn {
    margin-top: 1rem;
    padding: 0.7rem 1.5rem;
    background-color: #00ffd5;
    color: #121212;
    border: none;
    border-radius: 10px;
    font-weight: bold;
    cursor: pointer;
}

@media (max-width: 600px) {
    .buttons button {
        font-size: 1rem;
        padding: 1rem 1.5rem;
    }
}
header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #ffdd00;
    text-shadow: 0 0 10px rgba(0,0,0,0.8);
}

header p {
    font-size: 1.2rem;
    color: #ffffff;
    text-shadow: 0 0 5px rgba(0,0,0,0.5);
}