/* ═══════════════════════════════════════════════════════════
   Projects Section
   ═══════════════════════════════════════════════════════════ */

.projects {
    padding: var(--section-pad);
    background: var(--color-bg-secondary);
    position: relative;
}

.projects::before,
.projects::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.projects::before { top: 0; }
.projects::after  { bottom: 0; }

.projects__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

/* ── Project Card ── */
.project-card {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-8);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: all var(--duration-base) var(--ease-out);
    overflow: hidden;
}

.project-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-glow);
    opacity: 0;
    transition: opacity var(--duration-base) var(--ease-out);
    pointer-events: none;
}

.project-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.project-card:hover::after {
    opacity: 1;
}

/* ── Featured card ── */
.project-card--featured {
    grid-template-columns: auto 1fr auto;
    background: linear-gradient(135deg, rgba(99,102,241,0.06) 0%, var(--color-bg-card) 60%);
    border-color: rgba(99, 102, 241, 0.15);
}

.project-card--featured:hover {
    border-color: rgba(99, 102, 241, 0.3);
}

.project-card__visual {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.project-card__glow {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
    animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50%      { transform: scale(1.2); opacity: 0.8; }
}

/* ── Card number ── */
.project-card__number {
    font-family: var(--font-mono);
    font-size: var(--text-6xl);
    font-weight: 900;
    color: var(--color-bg-tertiary);
    line-height: 1;
    user-select: none;
    transition: color var(--duration-base) var(--ease-out);
    min-width: 80px;
}

.project-card:hover .project-card__number {
    color: rgba(99, 102, 241, 0.15);
}

/* ── Card content ── */
.project-card__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    position: relative;
    z-index: 1;
}

.project-card__category {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.project-card__title {
    font-size: var(--text-2xl);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.project-card__desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 560px;
}

.project-card__stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-2);
}

.project-card__stack span {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    transition: all var(--duration-fast) var(--ease-out);
}

.project-card:hover .project-card__stack span {
    border-color: var(--color-border-hover);
    color: var(--color-text-secondary);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .project-card {
        grid-template-columns: 1fr;
        gap: var(--space-4);
        padding: var(--space-6);
    }

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

    .project-card__number {
        font-size: var(--text-4xl);
        min-width: auto;
    }

    .project-card__visual {
        display: none;
    }
}