/* Zero-UI Spatial Theme */
:root {
    --bg-color: #ffffff;
    --text-color: #333333;
    --accent-color: #000000;
    --font-main: 'Inter', sans-serif;
}

body {
    background: linear-gradient(180deg, #f8f9fa 0%, #e9ecef 100%);
    color: var(--text-color);
    font-family: var(--font-main);
}

.card {
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 4rem 1rem;
    margin-bottom: 2rem;
}

.card:hover {
    transform: scale(1.02);
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.tag {
    background: transparent;
    color: var(--accent-color);
    border-bottom: 2px solid var(--accent-color);
    padding: 0;
    margin-right: 1rem;
    font-weight: 600;
}

img {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.5s ease;
}

img:hover {
    transform: perspective(1000px) rotateY(0deg);
}

h1 {
    font-weight: 200;
    letter-spacing: -1px;
}

header {
    border-bottom: none !important;
}

/* UI Kit Styling */
input[type="text"],
select,
textarea {
    border: none;
    border-bottom: 2px solid #eee;
    padding: 1rem 0;
    width: 100%;
    font-family: var(--font-main);
    background: transparent;
    transition: border-color 0.3s ease;
    outline: none;
}

input[type="text"]:focus,
select:focus {
    border-bottom-color: var(--accent-color);
}

.btn {
    background: white;
    border: 1px solid #eee;
    padding: 0.8rem 2rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 4px;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.btn-primary:hover {
    background: #333;
}

.btn:disabled {
    background: #f5f5f5;
    color: #ccc;
    border-color: #eee;
    cursor: not-allowed;
}