header {
    background: transparent !important;   /* remove white background */
    box-shadow: none !important;          /* remove any card shadow */
    border-radius: 0 !important;          /* remove rounded corners */
    padding: 20px 0 !important;           /* optional spacing */
}

/* Global */
body {
    background: #f8fafc;
    color: #0f172a;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Container */
.container {
    max-width: 1100px;
    margin: auto;
    padding: 60px 20px;
}

/* Titles */
.page-title {
    text-align: center;
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(90deg, #4f46e5, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-subtitle {
    text-align: center;
    color: #64748b;
    margin-bottom: 50px;
    font-size: 16px;
}

/* Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

/* Cards */
.card {
    background: #ffffff;
    border-radius: 16px;
    padding: 25px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.06);
    transition: all 0.25s ease;
    position: relative;
}

/* subtle gradient border glow */
.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
    border-color: #c7d2fe;
}

/* Card text */
.card h3 {
    margin-bottom: 10px;
    font-size: 20px;
    color: #0f172a;
}

.card p {
    color: #64748b;
    font-size: 14px;
    margin-bottom: 20px;
}

/* Button */
.btn {
    display: inline-block;
    padding: 10px 16px;
    background: linear-gradient(135deg, #4f46e5, #06b6d4);
    color: #ffffff;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.25);
}