:root {
    --primary-color: #000000;
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --accent-color: #666666;
    --input-bg: #f9f9f9;
    --border-color: #dddddd;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    letter-spacing: -0.01em;
}

#main-container {
    width: 90%;
    max-width: 600px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* View/Card Styling - Professional Minimalist */
.card {
    width: 100%;
    text-align: center;
    padding: 2rem;
    
    /* Animation handling */
    position: absolute;
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: var(--transition);
}

.card.active {
    position: relative;
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

/* Typography */
h1 {
    font-size: 3rem;
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 1rem;
    line-height: 1;
    color: var(--primary-color);
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 2rem;
    letter-spacing: 1px;
}

p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Logo - Large and centered */
#img-logo {
    width: 100%;
    max-width: 450px;
    height: auto;
    margin-bottom: 2rem;
}

/* Buttons */
.btn-link {
    display: inline-block;
    background: none;
    border: none;
    color: var(--text-color);
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 2px;
    padding: 1rem;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.btn-link:hover {
    border-bottom-color: var(--primary-color);
}

.btn-primary {
    background: var(--primary-color);
    color: #ffffff;
    border: none;
    padding: 1.2rem 2.5rem;
    font-size: 1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.btn-primary:hover {
    background-color: #333333;
    transform: scale(1.01);
}

/* Form Styling - Clean & High Contrast */
#contact-form {
    text-align: left;
    margin-bottom: 2rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    background: #ffffff;
}

.form-group textarea {
    resize: none;
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }
    #img-logo { max-width: 300px; }
}

@media (max-width: 480px) {
    .card { padding: 1rem; }
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    #img-logo { max-width: 250px; }
}