/* Professional Footer (pf-*) — adapted from subscription portal */

.pf-footer {
    margin-top: auto;
    padding-top: 38px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    background: linear-gradient(165deg,
        rgba(10, 16, 34, 0.72),
        rgba(10, 16, 34, 0.52));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    animation: pfFadeIn 0.5s ease-out;
    position: relative;
    z-index: 10;
}

.pf-shell {
    width: min(1400px, 95vw);
    margin: 0 auto;
    padding: 20px 16px 14px;
}

/* Top Section: Brand + CTA */
.pf-top {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 14px;
    margin-bottom: 16px;
}

.pf-brand-block,
.pf-cta-card {
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    padding: 16px;
}

.pf-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #f5f7ff;
}

.pf-brand:hover {
    text-decoration: none;
    color: #f5f7ff;
}

.pf-brand-logo {
    height: 36px;
    width: auto;
}

.pf-brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.pf-brand-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: #f5f7ff;
}

.pf-brand-tag {
    font-size: 0.78rem;
    color: rgba(245, 247, 255, 0.65);
}

.pf-description {
    margin: 10px 0 0;
    color: rgba(245, 247, 255, 0.65);
    font-size: 0.9rem;
    max-width: 62ch;
}

.pf-highlight {
    margin: 8px 0 0;
    font-size: 0.84rem;
    color: #22d3ee;
    font-weight: 700;
}

.pf-facts {
    list-style: none;
    margin: 10px 0 0;
    padding: 0;
}

.pf-facts li {
    color: rgba(245, 247, 255, 0.45);
    font-size: 0.82rem;
    margin: 0 0 5px;
}

.pf-facts a {
    color: #22d3ee;
    text-decoration: none;
}

.pf-facts a:hover {
    text-decoration: underline;
}

/* CTA Card */
.pf-cta-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.pf-cta-card h3 {
    margin: 0;
    font-size: 1.03rem;
    font-weight: 700;
    color: #f5f7ff;
}

.pf-cta-card p {
    margin: 8px 0 0;
    color: rgba(245, 247, 255, 0.65);
    font-size: 0.88rem;
}

.pf-cta-actions {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pf-cta-btn {
    border-radius: 999px;
    padding: 10px 20px;
    font-weight: 600;
    font-size: 0.88rem;
    letter-spacing: 0.2px;
    background: linear-gradient(135deg, #3730a3, #22d3ee);
    color: #ffffff !important;
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 10px 24px rgba(56, 189, 248, 0.3);
}

.pf-cta-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(56, 189, 248, 0.42);
    color: #ffffff !important;
    text-decoration: none;
}

/* 5-Column Link Grid */
.pf-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
}

.pf-col {
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.04);
    padding: 14px;
}

.pf-col h3 {
    margin: 0 0 8px;
    font-size: 0.9rem;
    font-weight: 700;
    color: #f5f7ff;
}

.pf-links {
    margin: 0;
    padding: 0;
    list-style: none;
}

.pf-links li {
    margin: 0 0 6px;
}

.pf-links a {
    color: rgba(245, 247, 255, 0.65);
    font-size: 0.82rem;
    text-decoration: none;
    transition: color 0.2s ease;
}

.pf-links a:hover {
    color: #f5f7ff;
}

.pf-meta-label {
    margin: 0;
    font-size: 0.75rem;
    color: rgba(245, 247, 255, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.pf-meta-text {
    margin: 8px 0 0;
    color: rgba(245, 247, 255, 0.65);
    font-size: 0.84rem;
}

/* Bottom Bar */
.pf-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 10px 0 16px;
    color: rgba(245, 247, 255, 0.45);
    font-size: 0.8rem;
}

.pf-bottom-inner {
    width: min(1400px, 95vw);
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.pf-bottom-links {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.pf-bottom-links a {
    color: rgba(245, 247, 255, 0.45);
    font-size: 0.8rem;
    text-decoration: none;
    transition: color 0.2s ease;
}

.pf-bottom-links a:hover {
    color: #f5f7ff;
}

/* Responsive footer */
@media (max-width: 1120px) {
    .pf-top { grid-template-columns: 1fr; }
    .pf-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
    .pf-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 700px) {
    .pf-grid { grid-template-columns: 1fr; }
    .pf-bottom-inner { flex-direction: column; align-items: flex-start; }
}

/* Light mode footer */
[data-theme="light"] .pf-footer {
    background: linear-gradient(165deg,
        rgba(240, 245, 255, 0.92),
        rgba(235, 240, 252, 0.88));
    border-top-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .pf-brand-block,
[data-theme="light"] .pf-cta-card {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .pf-col {
    background: rgba(0, 0, 0, 0.02);
    border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .pf-brand,
[data-theme="light"] .pf-brand-name,
[data-theme="light"] .pf-cta-card h3,
[data-theme="light"] .pf-col h3 {
    color: #0f172a;
}

[data-theme="light"] .pf-brand-logo {
    /* Logo swap handled by JS via data-light-src/data-dark-src */
}

[data-theme="light"] .pf-brand-tag,
[data-theme="light"] .pf-description,
[data-theme="light"] .pf-cta-card p,
[data-theme="light"] .pf-links a,
[data-theme="light"] .pf-meta-text {
    color: rgba(30, 41, 59, 0.75);
}

[data-theme="light"] .pf-highlight {
    color: #3730a3;
}

[data-theme="light"] .pf-facts li {
    color: rgba(0, 0, 0, 0.42);
}

[data-theme="light"] .pf-facts a {
    color: #3730a3;
}

[data-theme="light"] .pf-links a:hover {
    color: #0f172a;
}

[data-theme="light"] .pf-meta-label {
    color: rgba(0, 0, 0, 0.42);
}

[data-theme="light"] .pf-bottom {
    border-top-color: rgba(0, 0, 0, 0.08);
    color: rgba(0, 0, 0, 0.45);
}

[data-theme="light"] .pf-bottom-links a {
    color: rgba(0, 0, 0, 0.45);
}

[data-theme="light"] .pf-bottom-links a:hover {
    color: #0f172a;
}

[data-theme="light"] .pf-cta-btn {
    background: linear-gradient(135deg, #3730a3, #4f46e5);
    color: #ffffff !important;
    box-shadow: 0 10px 24px rgba(55, 48, 163, 0.25);
}

[data-theme="light"] .pf-cta-btn:hover {
    box-shadow: 0 14px 30px rgba(55, 48, 163, 0.35);
    color: #ffffff !important;
}

@keyframes pfFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}