/* ============================================================
   STRONA O AUTORZE (author.css)
   Wymaga: global.css, ui-platonic.css
   Prefiks klas: au-
   ============================================================ */

.au-main {
    width: 100%;
    font-family: 'Inter', sans-serif;
    color: var(--Napisy);
}

.math-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
    display: none;
}

body.math-on .math-bg { display: block; }

.math-bg span {
    position: absolute;
    font-size: 80px;
    color: var(--Fioletowy);
    opacity: 0.05;
    font-weight: 800;
    animation: auFloaty 18s linear infinite;
}

@keyframes auFloaty {
    0%   { transform: translateY(0) rotate(0); }
    50%  { transform: translateY(-30px) rotate(8deg); }
    100% { transform: translateY(0) rotate(0); }
}

.au-wrap {
    max-width: 800px;
    margin: 0 auto;
    padding: 155px 6% 100px 6%;
}

.au-back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--SzaryTekst);
    text-decoration: none;
    margin-bottom: 30px;
    transition: color 0.25s ease, gap 0.25s ease;
}

.au-back-link:hover {
    color: var(--FioletowyHover);
    gap: 11px;
}

/* ── KARTA PRZEDSTAWIENIOWA ───────────────────────────────── */
.au-intro {
    display: flex;
    gap: 22px;
    align-items: flex-start;
    padding: 32px;
    border-radius: 22px;
    background: linear-gradient(135deg, var(--CiemnyFioletowy1) 0%, var(--Fioletowy) 55%, var(--Niebieski) 100%);
    color: #FFFFFF;
    margin-bottom: 40px;
}

.au-avatar {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 68px;
    height: 68px;
    border-radius: 18px;
    background-color: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-size: 27px;
    font-weight: 800;
}

.au-intro-title {
    font-size: clamp(24px, 3.4vw, 30px);
    font-weight: 800;
}

.au-intro-role {
    margin-top: 4px;
    font-size: 14.5px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
}

.au-intro-text {
    margin-top: 14px;
    font-size: 15.5px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.92);
    max-width: 560px;
}

.au-intro-contact {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-top: 18px;
    padding: 10px 20px;
    border-radius: 10px;
    background-color: #FFFFFF;
    color: var(--CiemnyFioletowy1);
    font-size: 14.5px;
    font-weight: 700;
    text-decoration: none;
}

/* ── PODZIĘKOWANIA — SIATKA KART ───────────────────────────── */
.au-sec-label {
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.9px;
    text-transform: uppercase;
    color: var(--SzaryTekst);
    margin-bottom: 18px;
}

.au-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-bottom: 40px;
}

.au-card {
    padding: 24px 24px;
    border-radius: 16px;
    background-color: #FFFFFF;
    border: 1px solid var(--Ramka);
    box-shadow: 0 4px 16px rgba(23, 25, 64, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.au-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-crisp);
}

.au-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    margin-bottom: 14px;
}

.au-ic-violet { background-color: var(--ContestFioletJasny); color: var(--ContestFioletCiemny); }
.au-ic-blue   { background-color: var(--JasnyNiebieski);     color: var(--CiemnyNiebieski); }
.au-ic-green  { background-color: var(--JasnyZielony);       color: var(--CiemnyZielony); }
.au-ic-orange { background-color: var(--JasnyPomaranczowy);  color: var(--CiemnyPomaranczowy); }

.au-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--Napisy);
    margin-bottom: 8px;
}

.au-card p {
    font-size: 14.5px;
    line-height: 1.6;
    color: var(--SzaryTekst);
}

.au-credit {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--ContestFioletJasny), var(--JasnyNiebieski));
    color: var(--CiemnyFioletowy1);
    font-weight: 700;
    font-size: 13.5px;
}

.au-card-full {
    grid-column: 1 / -1;
}

/* ── STOPKA / KONTAKT ─────────────────────────────────────── */
.au-footer-note {
    padding: 22px 24px;
    border-radius: 16px;
    background-color: var(--SidebarBG);
    border: 1px solid var(--Ramka);
    font-size: 14px;
    line-height: 1.6;
    color: var(--SzaryTekst);
    text-align: center;
}

.au-footer-note a {
    color: var(--FioletowyHover);
    font-weight: 700;
    text-decoration: none;
}

.au-footer-note a:hover { text-decoration: underline; }

/* ============================================================
   REDUKCJA RUCHU / RESPONSYWNOŚĆ
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    .math-bg span { animation: none; }
    .au-card, .au-back-link { transition: none; }
}

@media (max-width: 640px) {
    .au-wrap { padding: 130px 6% 70px 6%; }
    .au-intro { flex-direction: column; padding: 26px; }
    .au-grid { grid-template-columns: 1fr; }
}