/* =====================================================
   PYQS THEME CUSTOM STYLES — upgraded build
===================================================== */

.bg-brand-blue { background-color: #1a365d; }
.text-brand-blue { color: #1a365d; }
.border-brand-blue { border-color: #1a365d; }

.bg-brand-teal { background-color: #0d9488; }
.text-brand-teal { color: #0d9488; }
.border-brand-teal { border-color: #0d9488; }

.bg-brand-orange { background-color: #f97316; }
.text-brand-orange { color: #f97316; }
.bg-brand-light { background-color: #f8fafc; }

body {
    font-family: 'Inter', sans-serif;
    color: #0f172a;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
}

.hero-pattern {
    background-color: #071226;
    background-image:
        linear-gradient(135deg, rgba(26,54,93,0.96), rgba(8,15,31,0.98)),
        url("data:image/svg+xml,%3Csvg width='72' height='72' viewBox='0 0 72 72' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%2329c6b7' fill-opacity='0.08'%3E%3Ccircle cx='36' cy='36' r='4'/%3E%3Cpath d='M14 18h10v2H14zm34 0h10v2H48zM14 52h10v2H14zm34 0h10v2H48z'/%3E%3C/g%3E%3C/svg%3E");
    animation: floatBg 32s linear infinite alternate;
}

@keyframes floatBg {
    0% { background-position: 0 0; }
    100% { background-position: 120px 120px; }
}

.pyqs-glass-card {
    background: linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.06));
    box-shadow: 0 30px 60px rgba(2, 6, 23, .35);
    backdrop-filter: blur(16px);
}

.pyqs-section-kicker {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .55rem 1rem;
    border-radius: 999px;
    border: 1px solid rgba(13, 148, 136, .15);
    background: rgba(13, 148, 136, .06);
    color: #0d9488;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.pyqs-section-title {
    font-size: clamp(2rem, 2.8vw, 3rem);
    line-height: 1.1;
    font-weight: 800;
    color: #0f172a;
    margin: 0 0 .9rem;
}

.pyqs-section-subtitle {
    font-size: 1rem;
    line-height: 1.8;
    color: #64748b;
    margin: 0;
}

.paper-card {
    transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.3s ease;
}

.paper-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 0 20px 25px rgba(0,0,0,0.08);
}

.category-card { transition: all 0.25s ease; }
.category-card:hover { transform: scale(1.02); }

.btn-pulse { animation: pulse 2s infinite; }
@keyframes pulse {
    0%,100% { box-shadow: 0 0 0 0 rgba(249,115,22,0.45); }
    50% { box-shadow: 0 0 0 12px rgba(249,115,22,0); }
}

.shine {
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
    background-size: 200% 100%;
    animation: shine 3s infinite;
}
@keyframes shine {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

@keyframes float {
    0%,100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
.animate-float { animation: float 6s ease-in-out infinite; }

.scrollbar-hide::-webkit-scrollbar { display: none; }
.scrollbar-hide { -ms-overflow-style: none; scrollbar-width: none; }

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.prose p { margin: 0 0 1rem; }
.prose ul, .prose ol { margin: 0 0 1rem 1.25rem; }
.prose li { margin-bottom: .4rem; }

@media (max-width: 768px) {
    .pyqs-section-title { font-size: 1.8rem; }
    .pyqs-section-subtitle { font-size: .96rem; }
}