:root{
    --brand-blue: #3b5bff;
    --brand-navy: #13217c;
    --ink: #333333;
    --white: #ffffff;
    --shadow: 5px 5px 15px rgba(0,0,0,0.1);
}

*,*::before,*::after{box-sizing:border-box;}
body{margin:0;font-family:"Inter",sans-serif;background:#fafbfe;color:var(--ink);}
a{text-decoration:none;color:inherit;}

/* ============ STICKY HEADER ============ */
.site-header{
    position: sticky;
    top: 0;
    z-index: 9999;
    background: var(--white);
    box-shadow: var(--shadow);
    padding: 10px;
    width: 100%;
}
.header-inner{
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

/* ============ LOGO ============ */
.site-logo{ display:inline-block; flex-shrink: 0; }
.site-logo img{
    width: 100px;
    height: 38px;
    object-fit: contain;
    display: block;
}

/* ============ SINGLE CTA ============ */
.btn-cta{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 40px;
    padding: 0 22px;
    background-color: var(--brand-blue);
    color: var(--white);
    font-family: "Inter", sans-serif;
    font-size: 16px;
    font-weight: 600;
    border-radius: 10px;
    border: 2px solid var(--brand-blue);
    transition: background-color .2s ease, border-color .2s ease;
    white-space: nowrap;
}
.btn-cta:hover{ background-color: var(--brand-navy); border-color: var(--brand-navy); }
.btn-cta svg{ width: 18px; height: 18px; fill: var(--white); }

/* ============ RESPONSIVE ============
   Same breakpoints as the full header so swapping templates feels native.
============================================================== */
@media (max-width: 478px){
    .site-logo img{ width: 90px; }
    .btn-cta{ padding: 0 14px; font-size: 14px; height: 38px; }
    .btn-cta svg{ width: 16px; height: 16px; }
}