/* ============================================================
   FLOWBRAIN — portfolio.css
   Styles specific to portfolio.html
   ============================================================ */

/* ── Filter bar ── */
.filter-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 100px;
    border: 1.5px solid var(--border);
    background: transparent;
    color: var(--muted);
    font-family: var(--font-body);
    font-size: 0.86rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    border-color: var(--accent);
    color: var(--primary);
}

.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

/* ── Metrics badge on cards ── */
.pf-metric {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    background: rgba(0, 232, 122, 0.08);
    border: 1px solid rgba(0, 232, 122, 0.2);
    border-radius: 100px;
}

/* ── CTA bottom ── */
.portfolio-cta {
    background: var(--bg-dark);
    border-radius: var(--radius-xl);
    padding: clamp(2.5rem, 5vw, 4rem) clamp(2rem, 5vw, 4rem);
    text-align: center;
    margin-top: 4rem;
    position: relative;
    overflow: hidden;
}

.portfolio-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(0, 232, 122, 0.12), transparent);
    pointer-events: none;
}

.portfolio-cta > * {
    position: relative;
    z-index: 1;
}

.portfolio-cta h2 {
    font-family: var(--font-head);
    font-size: clamp(1.6rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}

.portfolio-cta p {
    color: rgba(255, 255, 255, 0.55);
    font-size: 1rem;
    margin-bottom: 2rem;
    max-width: 460px;
    margin-inline: auto;
}

.portfolio-cta .cta-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ── Responsive ── */
@media (max-width: 640px) {
    .portfolio-cta .cta-btns {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 768px) {
    .filter-bar { gap: 0.4rem; }
    .filter-btn { font-size: 0.78rem; padding: 0.4rem 1rem; }
}

@media (max-width: 480px) {
    .portfolio-cta { padding: 2rem 1.25rem; }
    .portfolio-cta h2 { font-size: 1.4rem; }
}