:root{
    --bg: #ffffff;
    --card: #fbfdff;
    --text: #0f172a;
    --muted: #6c757d;
    --accent: #0d6efd;
    --sponsor: #ff4081;
    --sponsor-bg: #fff0f6;
    --radius: 14px;
    --glass: rgba(255,255,255,0.6);
}

/* 
@media (prefers-color-scheme: dark){
:root{
    --bg: #071025;
    --card: #071427;
    --text: #e6eef8;
    --muted: #98a1b2;
    --accent: #66b2ff;
    --sponsor-bg: rgba(255,64,129,0.07);
    }
} 
*/

html,body{
    height:100%;
}
body{
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
    background: linear-gradient(180deg, rgba(13,110,253,0.03), transparent 30%), var(--bg);
    color:var(--text);
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
    line-height:1.5;
}

header.site-header{
    padding:3.25rem 0 2rem;
}

.hero{
    background: linear-gradient(90deg, rgba(13,110,253,0.06), rgba(102,178,255,0.02));
    border-radius: var(--radius);
    padding:2rem;
    box-shadow: 0 10px 30px rgba(2,6,23,0.06);
    display:flex;
    gap:1.5rem;
    align-items:center;
}

.hero h1{
    font-weight:700;
    letter-spacing:-0.01em;
    margin-bottom:0.25rem}

.lead-muted{
    color:var(--muted);
    margin-bottom:1rem
}

.btn-sponsor{
    border: 1.6px solid var(--sponsor);
    background: transparent;
    color: var(--sponsor);
    padding:0.45rem 0.85rem;
    border-radius:10px;
    transition: all .12s ease, color .12s ease, transform .08s ease;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    white-space: nowrap;
    cursor: pointer;
}

.btn-sponsor .label {
    display: inline-flex;
    align-items: center;
    gap: .25rem;
}

.btn-sponsor .hover-text {
    display: none;
    align-items: center;
    gap: .25rem;
}

.btn-sponsor:hover .label,
.btn-sponsor:focus .label,
.btn-sponsor.hovered .label {
    display: none;
}

.btn-sponsor:hover .hover-text,
.btn-sponsor:focus .hover-text,
.btn-sponsor.hovered .hover-text {
    display: inline-flex;
}

.btn-sponsor:hover,
.btn-sponsor:focus,
.btn-sponsor.hovered {
    transform: translateY(-2px);
}

.btn-sponsor-sp {
    border: 1.6px solid var(--sponsor);
    background: transparent;
    color: var(--sponsor);
}

.btn-sponsor-sp:focus,
.btn-sponsor-sp:hover,
.btn-sponsor-sp.hovered {
    color: #fff;
    background: #ff4081;
}
.btn-sponsor-gh {
    border-color: #ff0000;
    color: #ff0000;
    background: transparent;
}

.btn-sponsor-gh:hover,
.btn-sponsor-gh:focus,
.btn-sponsor-gh.hovered {
    background: rgba(25, 135, 84, 1);
    color: #fff;
}

.btn-sponsor .fa-github, 
.btn-sponsor .fa-heart {
    font-size: 0.95rem;
}

.sponsor-note {
    line-height: 1.2;
    margin-top: .5rem;
    color: var(--muted);
    font-size: .85rem;
}

.support-buttons {
    gap: .5rem;
}

.btn-sponsor:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(13,110,253,0.12);
    border-radius: 8px;
}

.sponsor-note {
    line-height: 1.2;
    margin-top: .5rem;
    color: #6c757d;
    font-size: .85rem;
}

.support-buttons {
    gap: .5rem;
}


.feature-card {
    border:none;
    border-radius:12px;
    transition:transform .18s ease, box-shadow .18s ease
}

.feature-card:hover {
    transform:translateY(-6px);
    box-shadow:0 18px 36px rgba(2,6,23,0.06)
}

.card .fa-stack {
    width:48px;
    height:48px;
    border-radius:10px;
    display:inline-flex;
    align-items:center;
    justify-content:center
}

.kicker {
    font-weight:600;
    color:var(--accent);
    font-size:.8rem
}

.cta-row{
    gap:.6rem
}

.grid-features {
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:1rem
}

.footer{
    border-top:1px solid rgba(0,0,0,0.04);
    margin-top:3rem;
    padding-top:1.25rem;
    color:var(--muted);
}

:focus {
    outline: none
}

a:focus, button:focus {
    box-shadow:0 0 0 4px rgba(13,110,253,0.12);
    border-radius:8px
}


.mock-visual{
    width:100%;
    max-width:420px;
    border-radius:12px;
    overflow:hidden;
    background:linear-gradient(180deg,#fff,#f6fbff);
    display:block
}

@media (max-width:767px) {
    .hero{
        flex-direction:column
    }
}

pre.code-sample{
    background:rgba(11,20,40,0.03);
    padding:0.75rem;
    border-radius:8px;
    font-size:0.9rem
}

.brand-icon{
    width:48px;
    height:48px;
    border-radius:12px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background: linear-gradient(135deg,#0d6efd22,#00c9a722);
    overflow:hidden;
}

.brand-icon .brand-logo{
    width:28px;
    height:28px;
    object-fit:contain;
    display:block;
}

.brand-icon:focus-within,
.brand-icon:hover{
    transform: translateY(-2px);
}

.inline-logo {
    width: 24px;
    height: 24px;
    display: inline-block;
    object-fit: contain;
    vertical-align: middle;
    margin-right: 0.5rem;
    background: none;
    border: 0;
    padding: 0;
} 

a.btn-sponsor-gh,
a.btn-sponsor-gh:link,
a.btn-sponsor-gh:visited {
    border-color: #ff0000;
    color: #ff0000;
    background: transparent;
}

a.btn-sponsor-gh:hover,
a.btn-sponsor-gh:focus,
a.btn-sponsor-gh.hovered,
a.btn-sponsor-gh:active,
a.btn-sponsor-gh:focus-visible {
    background: rgba(25,135,84,1) !important;
    border-color: rgba(25,135,84,1) !important;
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: none;
}