/* ── PROJECTS ─────────────────────────────────────────────── */
#projects { border-bottom: 1px solid var(--border); }

.extra-card .card-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 8px;
}

/* ── MAIN CARDS (3-col) ──────────────────────────────────── */
.main-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 36px;
}
@media (max-width: 900px) { .main-cards { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .main-cards { grid-template-columns: 1fr; } }

.project-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s, transform 0.2s;
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.2s;
}
.project-card:hover { border-color: var(--border2); transform: translateY(-2px); }
.project-card:hover::before { opacity: 1; }

.card-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text3);
  letter-spacing: 0.08em;
}
.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.card-desc {
  font-size: 13px;
  color: var(--text2);
  line-height: 1.6;
  flex: 1;
}
.stack-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.stack-tag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(56,189,248,0.2);
  border-radius: 4px;
  padding: 3px 10px;
}
.card-links {
  display: flex;
  gap: 14px;
  margin-top: 4px;
}
.card-link {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text3);
  transition: color 0.18s;
}
.card-link:hover { color: var(--accent); }

/* ── MORE TOGGLE ─────────────────────────────────────────── */
.more-row {
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  margin-bottom: 24px;
  user-select: none;
}
.more-lbl {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text3);
  transition: color 0.18s;
  white-space: nowrap;
}
.more-row:hover .more-lbl { color: var(--accent); }
.more-line { flex: 1; height: 1px; background: var(--border); }
.more-chevron {
  font-size: 11px;
  color: var(--text3);
  transition: transform 0.25s, color 0.18s;
}
.more-row:hover .more-chevron { color: var(--accent); }
.more-chevron.open { transform: rotate(180deg); }

/* ── EXTRA CARDS ─────────────────────────────────────────── */
#extra-wrap {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
#extra-wrap.open { max-height: 1000px; }

.extra-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding-bottom: 8px;
}
@media (max-width: 900px) { .extra-cards { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .extra-cards { grid-template-columns: 1fr; } }

.extra-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.2s;
}
.extra-card:hover { border-color: var(--border2); }
.extra-card .card-title { font-size: 14px; }
.extra-card .card-desc  { font-size: 12px; }



/* ── MOBILE FIXES ────────────────────────────────────────── */
.card-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 4px;
  display: block;
}

@media (max-width: 900px) {
  #projects {
    padding: 64px 20px;
  }

  .main-cards {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .project-card {
    padding: 18px;
  }

  .card-img {
    height: 130px;
  }

  .card-title {
    font-size: 14px;
  }

  .card-desc {
    font-size: 12px;
  }

  .extra-cards {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .extra-card {
    padding: 14px;
  }

  .extra-card .card-img {
    height: 110px;
  }

  .more-row {
    margin-top: 8px;
  }
}

@media (max-width: 560px) {
  #projects {
    padding: 56px 16px;
  }

  .main-cards {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .project-card {
    padding: 16px;
  }

  .card-img {
    height: 150px;
  }

  .extra-cards {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .stack-tag {
    font-size: 10px;
    padding: 2px 8px;
  }

  .card-links {
    gap: 10px;
  }

  .card-link {
    font-size: 11px;
  }
}