/* ============================================================
   ACHIEVEMENTS PAGE CSS
   ============================================================ */

/* ─── Tabs ──────────────────────────────────────────────── */
.achievements-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 3rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    padding: 0.35rem;
    width: fit-content;
}

.ach-tab {
    padding: 0.65rem 2rem;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    background: none;
}

.ach-tab.active {
    background: linear-gradient(135deg, var(--violet), var(--cyan));
    color: #fff;
}

.ach-panel {
    display: none;
}

.ach-panel.active {
    display: block;
}

/* ─── Certificates Grid ─────────────────────────────────── */
.certs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.cert-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.cert-card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-violet);
    transform: translateY(-5px);
}

.cert-img-wrap {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.cert-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.cert-card:hover .cert-img-wrap img {
    transform: scale(1.04);
}

.cert-view-overlay {
    position: absolute;
    inset: 0;
    background: rgba(7, 7, 17, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
    gap: 0.4rem;
}

.cert-card:hover .cert-view-overlay {
    opacity: 1;
}

.cert-body {
    padding: 1.25rem;
}

.cert-issuer {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.35rem;
}

.cert-name {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.cert-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

.cert-date {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ─── Certificate Modal ─────────────────────────────────── */
.cert-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(6px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.cert-modal-overlay.open {
    display: flex;
}

.cert-modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-xl);
    max-width: 700px;
    width: 100%;
    overflow: hidden;
    animation: fadeUp 0.3s ease both;
}

.cert-modal img {
    width: 100%;
}

.cert-modal-info {
    padding: 1.5rem 2rem 2rem;
}

.cert-modal-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.cert-modal-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.cert-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

/* ─── Hackathons Timeline ───────────────────────────────── */
.hackathons-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hackathon-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: var(--transition);
}

.hackathon-card:hover {
    border-color: var(--border-glow);
    transform: translateX(4px);
}

.hackathon-date-col {
    text-align: center;
    min-width: 80px;
}

.hackathon-year {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    background: linear-gradient(135deg, var(--violet-light), var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hackathon-month {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hackathon-rank {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-full);
    display: inline-block;
}

.hackathon-name {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
}

.hackathon-org {
    font-size: 0.8rem;
    color: var(--cyan);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.hackathon-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.hackathon-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
    .certs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 540px) {
    .certs-grid {
        grid-template-columns: 1fr;
    }

    .hackathon-card {
        grid-template-columns: 1fr;
    }
}