/* ============================================================
   PORTFOLIO — Project cards & detail button
   ============================================================ */

#portfolio { background: var(--section-alt); }
.portfolio-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }

.project-card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 14px; overflow: hidden; transition: box-shadow .25s,transform .25s; }
.project-card:hover { box-shadow: 0 12px 36px rgba(0,0,0,.13); transform: translateY(-4px); }

.project-thumb { position: relative; height: 180px; overflow: hidden; cursor: pointer; }
.project-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .35s ease; }
.project-card:hover .project-thumb img { transform: scale(1.06); }

.project-thumb-overlay { position: absolute; inset: 0; background: rgba(14,165,233,0); display: flex; align-items: center; justify-content: center; transition: background .25s; }
.project-card:hover .project-thumb-overlay { background: rgba(14,165,233,.45); }
.project-thumb-overlay i { color: #fff; font-size: 1.8rem; opacity: 0; transform: scale(.7); transition: opacity .25s,transform .25s; }
.project-card:hover .project-thumb-overlay i { opacity: 1; transform: scale(1); }

.project-body { padding: 18px 20px 20px; }
.project-cat { font-size: .72rem; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 6px; }
.project-title { font-family: 'Space Grotesk', sans-serif; font-size: 1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; line-height: 1.3; }
.project-desc { font-size: .83rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 12px; }
.project-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: .72rem; background: var(--accent-light); color: var(--accent-dark); padding: 3px 10px; border-radius: 20px; font-weight: 500; }

.project-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--card-border); }
.btn-detail { display: inline-flex; align-items: center; gap: 6px; padding: 7px 16px; background: var(--accent); color: #fff; border: none; border-radius: 7px; font-size: .8rem; font-weight: 600; cursor: pointer; transition: background .2s,transform .15s; font-family: 'DM Sans', sans-serif; }
.btn-detail:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn-detail i { font-size: .75rem; }