/* ════════════════════════════════════════════════════════
   WindowsGSH – supporters.css
   Styles for supporters.php and the homepage include.
   Relies on CSS custom properties defined in site.css.
   ════════════════════════════════════════════════════════ */

/* ─── Page shell ────────────────────────────────────────── */

.supporters-page {
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

.supporters-shell {
    width: min(var(--max, 1200px), calc(100% - 48px));
    margin: 0 auto;
    padding: clamp(3rem, 6vw, 5rem) 0;
}

/* ─── Page header ───────────────────────────────────────── */

.supporters-header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--line);
}

.supporters-header .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    margin-bottom: .75rem;
    color: var(--blue);
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.supporters-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -.03em;
    color: var(--text);
    margin-bottom: 1rem;
}

.supporters-header p {
    max-width: 640px;
    color: var(--text-2);
    font-size: 1.05rem;
    line-height: 1.7;
    margin: 0;
}

/* ─── Support CTAs (Patreon / Ko-fi) ───────────────────── */

.support-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    margin-top: 1.75rem;
}

.btn-patreon {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    min-height: 44px;
    padding: .65rem 1.35rem;
    border: 1px solid rgba(249, 104, 84, 0.4);
    border-radius: 10px;
    background: rgba(249, 104, 84, 0.12);
    color: #f96854;
    font-size: .95rem;
    font-weight: 700;
    font-family: inherit;
    text-decoration: none;
    transition: background 150ms ease, border-color 150ms ease, transform 150ms ease;
    cursor: pointer;
}

.btn-patreon:hover,
.btn-patreon:focus-visible {
    background: rgba(249, 104, 84, 0.2);
    border-color: rgba(249, 104, 84, 0.65);
    transform: translateY(-2px);
    outline: none;
}

.btn-kofi {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    min-height: 44px;
    padding: .65rem 1.35rem;
    border: 1px solid rgba(37, 166, 223, 0.35);
    border-radius: 10px;
    background: rgba(37, 166, 223, 0.1);
    color: var(--blue);
    font-size: .95rem;
    font-weight: 700;
    font-family: inherit;
    text-decoration: none;
    transition: background 150ms ease, border-color 150ms ease, transform 150ms ease;
    cursor: pointer;
}

.btn-kofi:hover,
.btn-kofi:focus-visible {
    background: rgba(37, 166, 223, 0.18);
    border-color: rgba(37, 166, 223, 0.6);
    transform: translateY(-2px);
    outline: none;
}

/* ─── Section headings ──────────────────────────────────── */

.supporters-section {
    margin-bottom: 3.5rem;
}

.supporters-section-title {
    display: flex;
    align-items: center;
    gap: .85rem;
    margin-bottom: 1.5rem;
    padding-bottom: .75rem;
    border-bottom: 1px solid var(--line);
}

.supporters-section-title h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text);
    margin: 0;
    letter-spacing: -.01em;
}

.supporters-section-title .tier-badge {
    display: inline-flex;
    align-items: center;
    padding: .2rem .65rem;
    border-radius: 99px;
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.tier-badge-sponsor {
    background: rgba(37, 166, 223, 0.15);
    border: 1px solid rgba(37, 166, 223, 0.35);
    color: var(--blue);
}

.tier-badge-backer {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--line-2);
    color: var(--text-2);
}

/* ─── Sponsor cards ─────────────────────────────────────── */

.sponsor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.1rem;
}

.sponsor-card {
    display: flex;
    flex-direction: column;
    gap: .9rem;
    padding: 1.4rem;
    border: 1px solid var(--line-2);
    border-radius: 14px;
    background: var(--bg-card);
    transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.sponsor-card:hover {
    border-color: rgba(37, 166, 223, 0.4);
    transform: translateY(-3px);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(37, 166, 223, 0.12);
}

.sponsor-card-header {
    display: flex;
    align-items: center;
    gap: .85rem;
}

.sponsor-avatar {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-raised);
    border: 1px solid var(--line-2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sponsor-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.sponsor-name {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text);
    line-height: 1.3;
}

.sponsor-description {
    color: var(--text-2);
    font-size: .875rem;
    line-height: 1.6;
    margin: 0;
    flex: 1;
}

.sponsor-link {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    align-self: flex-start;
    padding: .35rem .8rem;
    border: 1px solid var(--line-2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--blue);
    font-size: .8rem;
    font-weight: 600;
    text-decoration: none;
    transition: border-color 140ms ease, background 140ms ease;
}

.sponsor-link:hover,
.sponsor-link:focus-visible {
    border-color: var(--blue);
    background: rgba(37, 166, 223, 0.1);
    outline: none;
}

.sponsor-link svg {
    flex-shrink: 0;
    opacity: .7;
}

/* ─── Backer list ───────────────────────────────────────── */

.backer-grid {
    display: flex;
    flex-wrap: wrap;
    gap: .55rem;
}

.backer-name {
    padding: .4rem .85rem;
    border: 1px solid var(--line);
    border-radius: 99px;
    background: var(--bg-card);
    color: var(--text-2);
    font-size: .875rem;
    font-weight: 500;
}

/* ─── Empty states ──────────────────────────────────────── */

.supporters-empty {
    padding: 2.5rem 2rem;
    border: 1px dashed var(--line-2);
    border-radius: 14px;
    text-align: center;
    color: var(--muted);
    font-size: .95rem;
}

.supporters-empty a {
    color: var(--blue);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ─── Homepage section ──────────────────────────────────── */

.supporters-home-section {
    padding: clamp(3rem, 6vw, 4.5rem) 0;
    background: var(--bg-1);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    color: var(--text);
}

.supporters-home-shell {
    width: min(var(--max, 1200px), calc(100% - 48px));
    margin: 0 auto;
}

.supporters-home-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.75rem;
}

.supporters-home-header .eyebrow {
    display: block;
    margin-bottom: .5rem;
    color: var(--blue);
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.supporters-home-header h2 {
    font-size: clamp(1.3rem, 2.5vw, 1.75rem);
    font-weight: 700;
    color: var(--text);
    margin: 0;
    letter-spacing: -.02em;
    line-height: 1.2;
}

.supporters-home-link {
    white-space: nowrap;
    color: var(--blue);
    font-size: .875rem;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 140ms ease;
}

.supporters-home-link:hover,
.supporters-home-link:focus-visible {
    border-color: var(--blue);
    outline: none;
}

.supporters-home-sponsor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
}

.supporters-home-sponsor-card {
    display: flex;
    align-items: center;
    gap: .85rem;
    padding: 1rem 1.15rem;
    border: 1px solid var(--line-2);
    border-radius: 12px;
    background: var(--bg-card);
    text-decoration: none;
    color: var(--text);
    transition: border-color 160ms ease, transform 160ms ease;
}

.supporters-home-sponsor-card:hover,
.supporters-home-sponsor-card:focus-visible {
    border-color: rgba(37, 166, 223, 0.4);
    transform: translateY(-2px);
    outline: none;
}

.supporters-home-avatar {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    overflow: hidden;
    background: var(--bg-raised);
    border: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: center;
}

.supporters-home-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.supporters-home-name {
    font-weight: 600;
    font-size: .9rem;
    color: var(--text);
    line-height: 1.3;
}

/* Empty/become-a-supporter state on homepage */
.supporters-home-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1.5rem 1.75rem;
    border: 1px dashed var(--line-2);
    border-radius: 14px;
    background: rgba(37, 166, 223, 0.04);
}

.supporters-home-cta p {
    margin: 0;
    color: var(--text-2);
    font-size: .95rem;
}

/* ─── Responsive ────────────────────────────────────────── */

@media (max-width: 768px) {
    .sponsor-grid {
        grid-template-columns: 1fr;
    }

    .supporters-home-sponsor-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }

    .supporters-home-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .support-actions {
        flex-direction: column;
    }

    .btn-patreon,
    .btn-kofi {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .supporters-home-sponsor-grid {
        grid-template-columns: 1fr;
    }

    .backer-grid {
        gap: .4rem;
    }
}