* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background: #121212;
    color: #f5f5f5;
    line-height: 1.6;
}

header {
    background: #1f1f1f;
    padding: 20px 0;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

header h1 {
    font-weight: 700;
    font-size: 2rem;
    color: #00ff7f;
}

header p {
    font-weight: 400;
    margin-top: 5px;
    color: #aaa;
}

nav {
    margin-top: 10px;
}

nav a {
    color: #f5f5f5;
    margin: 0 15px;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

nav a:hover {
    color: #00ff7f;
}

.hero {
    padding: 60px 20px;
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease, transform 1s ease;
}

.hero.visible {
    opacity: 1;
    transform: translateY(0);
}

.hero h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease, transform 1s ease;
}

.hero.visible h2 {
    opacity: 1;
    transform: translateY(0);
}

.hero p {
    max-width: 600px;
    margin: 0 auto 30px;
    color: #ccc;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease 0.2s, transform 1s ease 0.2s;
}

.hero.visible p {
    opacity: 1;
    transform: translateY(0);
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    background: #00ff7f;
    color: #121212;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.3s, transform 0.3s;
}

.btn:hover {
    background: #00cc63;
    transform: translateY(-2px);
}

#contact {
    padding: 60px 20px;
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease, transform 1s ease;
}

#contact.visible {
    opacity: 1;
    transform: translateY(0);
}

#contact h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease, transform 1s ease;
}

#contact.visible h2 {
    opacity: 1;
    transform: translateY(0);
}

#contact form {
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease 0.2s, transform 1s ease 0.2s;
}

#contact.visible form {
    opacity: 1;
    transform: translateY(0);
}

#contact input, #contact textarea {
    padding: 12px;
    border-radius: 6px;
    border: none;
    outline: none;
    font-size: 1rem;
}

#contact input:focus, #contact textarea:focus {
    box-shadow: 0 0 5px #00ff7f;
}

#contact button.btn {
    align-self: flex-start;
}