:root {
    --primary: #7e0ddc;
    --primary-light: #c28df3;
    --primary-dark: #5a018f;
    --blue-accent: #007AFF;
    --blue-light: #4cabff;
    --blue-dark: #0052CC;
    --accent: #E93CAC;
    --light-bg: #F5F7FB;
    --dark-bg: #0A0A0A;
    --text-main: #0E0E0E;
    --text-title: #3B1E6D;
    --text-light: #BBBBBB;
    --card-bg: #FFFFFF;
    --card-bg-alt: #E8E8FD;
    --border-color: #E0E0E0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light-bg);
    color: var(--text-main);
    margin: 0;
    padding: 2rem;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: auto;
}

h1, h2, h3 {
    color: var(--text-title);
    margin-bottom: 0.5em;
    font-weight: 700;
}

p {
    margin: 0.5em 0;
}

.text-regular { font-weight: 400; }
.text-semibold { font-weight: 600; }
.text-bold { font-weight: 700; }

.site-header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--blue-dark);
    font-weight: 600;
}


/* === Color Samples === */
.colors {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
}

.color-sample {
    flex: 1 1 150px;
    padding: 1rem;
    border-radius: 0.5rem;
    color: white;
    font-weight: bold;
    text-align: center;
}
.primary       { background-color: var(--primary); }
.primary-light { background-color: var(--primary-light); color: var(--text-main); }
.primary-dark  { background-color: var(--primary-dark); }
.secondary     { background-color: var(--blue-accent); }
.blue-light    { background-color: var(--blue-light); color: var(--text-main); }
.blue-dark     { background-color: var(--blue-dark); }
.accent        { background-color: var(--accent); }
.bg-light      { background-color: var(--light-bg); color: var(--text-main); }
.bg-dark       { background-color: var(--dark-bg); }

/* === Buttons === */
.btn {
    padding: 0.75rem 1.5rem;
    margin: 0.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn.primary { background-color: var(--primary); color: white; }
.btn.primary:hover { background-color: var(--primary-dark); }
.btn.primary-light { background-color: var(--primary-light); color: white; }
.btn.primary-light:hover { background-color: var(--primary); }
.btn.primary-dark { background-color: var(--primary-dark); color: white; }
.btn.primary-dark:hover { background-color: #2A154D; }
.btn.secondary { background-color: var(--blue-accent); color: white; }
.btn.secondary:hover { background-color: #2e65cc; }
.btn.blue-light { background-color: var(--blue-light); color: #0E0E0E; }
.btn.blue-light:hover { background-color: var(--blue-accent); color: white; }
.btn.blue-dark { background-color: var(--blue-dark); color: white; }
.btn.blue-dark:hover { background-color: #1C3F7C; }
.btn.accent { background-color: var(--accent); color: white; }
.btn.accent:hover { background-color: #c32190; }
.btn.outline {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}
.btn.outline:hover {
    background-color: var(--primary);
    color: white;
}

/* === Inputs === */
.input {
    padding: 0.75rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 400px;
    font-size: 1rem;
    margin: 0.5rem 0;
    background-color: white;
}

/* === Cards === */
.card {
    background-color: var(--card-bg);
    border-radius: 1rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    padding: 1.5rem;
    margin-top: 1rem;
    max-width: 500px;
}

.card-title {
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.card-content {
    color: var(--text-main);
    font-size: 1rem;
}

/* === Responsive === */
@media (max-width: 768px) {
    .colors {
        flex-direction: column;
    }
    .btn {
        width: 100%;
    }
}