/* ═══════════════════════════════════════════════════════
   PROJECTS PAGE — projects.css
   ═══════════════════════════════════════════════════════ */

/* ── Filter tabs ── */
.filter-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.ftab {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.46rem 1.1rem;
  font-size: 0.84rem;
  font-weight: 500;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--surface);
  color: var(--text-2);
  cursor: pointer;
  transition: all 160ms var(--ease-out);
  font-family: inherit;
}
.ftab:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.ftab.active {
  background: var(--accent);
  color: #060a08;
  border-color: var(--accent);
  font-weight: 600;
}
.ftab svg {
  width: 13px;
  height: 13px;
}

/* ── Section ── */
.proj-sec {
  padding: 5rem 0;
}

/* Category heading */
.proj-cat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.6rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.pch-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: "Syne", sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
}
.pch-title svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
  flex-shrink: 0;
}

/* ── Website preview cards ── */
.web-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.4rem;
}

.website-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: all 250ms var(--ease-out);
  will-change: transform;
  box-shadow: var(--shadow-sm);
}
.website-card:hover {
  border-color: var(--accent);
  box-shadow:
    0 0 0 1px var(--accent),
    var(--shadow-lg);
  transform: translateY(-5px);
}

.preview-wrap {
  position: relative;
  width: 100%;
  height: 220px;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.preview-bar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.75rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.td {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  flex-shrink: 0;
}
.td.r {
  background: #ff5f57;
}
.td.y {
  background: #febc2e;
}
.td.g {
  background: #28c840;
}
.preview-url {
  flex: 1;
  font-size: 0.68rem;
  font-family: "JetBrains Mono", monospace;
  color: var(--text-3);
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.18rem 0.5rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.iframe-wrap {
  width: 100%;
  height: 184px;
  overflow: hidden;
  position: relative;
}
.iframe-wrap iframe {
  width: 200%;
  height: 340px;
  border: none;
  transform: scale(0.5);
  transform-origin: 0 0;
  pointer-events: none;
}

.preview-hover {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0);
  transition: background 240ms;
}
.website-card:hover .preview-hover {
  background: rgba(0, 232, 188, 0.08);
}

.visit-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.25rem;
  background: var(--accent);
  color: #060a08;
  font-family: "Syne", sans-serif;
  font-size: 0.84rem;
  font-weight: 700;
  border-radius: var(--r-sm);
  opacity: 0;
  transform: scale(0.88) translateY(6px);
  transition:
    opacity 220ms var(--ease-out),
    transform 220ms var(--ease-out);
}
.website-card:hover .visit-pill {
  opacity: 1;
  transform: scale(1) translateY(0);
}
.visit-pill svg {
  width: 14px;
  height: 14px;
}

.wc-info {
  padding: 1.35rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.wc-title {
  font-family: "Syne", sans-serif;
  font-weight: 700;
  font-size: 1rem;
}
.wc-desc {
  font-size: 0.84rem;
  color: var(--text-2);
  line-height: 1.6;
  flex: 1;
}
.wc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.2rem;
}

/* ── General project cards ── */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.proj-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: all 250ms var(--ease-out);
  will-change: transform;
  box-shadow: var(--shadow-sm);
}
.proj-card:hover {
  border-color: var(--accent);
  box-shadow:
    0 0 0 1px var(--accent),
    var(--shadow-lg);
  transform: translateY(-4px);
}

.proj-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}
.proj-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--r-sm);
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 220ms;
}
.proj-icon-box svg {
  width: 22px;
  height: 22px;
  color: var(--accent);
}
.proj-card:hover .proj-icon-box {
  background: var(--accent);
}
.proj-card:hover .proj-icon-box svg {
  color: #060a08;
}

/* Colour variants for robotics */
.proj-icon-box.green {
  background: rgba(40, 200, 100, 0.12);
  border-color: #28c864;
}
.proj-icon-box.green svg {
  color: #28c864;
}
.proj-card:hover .proj-icon-box.green {
  background: #28c864;
}
.proj-card:hover .proj-icon-box.green svg {
  color: #060a08;
}

.proj-icon-box.blue {
  background: var(--accent-2-glow);
  border-color: var(--accent-2);
}
.proj-icon-box.blue svg {
  color: var(--accent-2);
}
.proj-card:hover .proj-icon-box.blue {
  background: var(--accent-2);
}
.proj-card:hover .proj-icon-box.blue svg {
  color: #fff;
}

.proj-year {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  color: var(--text-3);
}
.proj-title {
  font-family: "Syne", sans-serif;
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1.3;
}
.proj-desc {
  font-size: 0.84rem;
  color: var(--text-2);
  line-height: 1.65;
  flex: 1;
}
.proj-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.proj-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}
.proj-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.77rem;
  font-weight: 500;
  padding: 0.36rem 0.82rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--bg-2);
  color: var(--text-2);
  transition: all 150ms;
  cursor: pointer;
  text-decoration: none;
}
.proj-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}
.proj-btn.primary {
  background: var(--accent);
  color: #060a08;
  border-color: var(--accent);
  font-weight: 600;
}
.proj-btn.primary:hover {
  filter: brightness(1.08);
  box-shadow: 0 4px 16px var(--accent-glow);
}
.proj-btn svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

/* ── Responsive ── */
@media (max-width: 1100px) {
  .proj-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .proj-sec {
    padding: 3.5rem 0;
  }
  .filter-row {
    gap: 0.4rem;
    margin-top: 1.5rem;
  }
  .ftab {
    padding: 0.38rem 0.85rem;
    font-size: 0.78rem;
  }
  .ftab svg {
    width: 12px;
    height: 12px;
  }

  .proj-cat-head {
    margin-bottom: 1.25rem;
  }
  .pch-title {
    font-size: 1rem;
  }
  .pch-title svg {
    width: 17px;
    height: 17px;
  }

  .web-grid {
    grid-template-columns: 1fr;
  }
  .preview-wrap {
    height: 180px;
  }
  .iframe-wrap {
    height: 144px;
  }

  .proj-grid {
    grid-template-columns: 1fr;
    gap: 0.9rem;
  }
  .proj-card {
    padding: 1.35rem;
  }
  .proj-icon-box {
    width: 44px;
    height: 44px;
  }
  .proj-icon-box svg {
    width: 18px;
    height: 18px;
  }
  .proj-title {
    font-size: 0.92rem;
  }
  .proj-desc {
    font-size: 0.82rem;
  }
  .proj-btn {
    font-size: 0.74rem;
    padding: 0.32rem 0.75rem;
  }
  .proj-btn svg {
    width: 12px;
    height: 12px;
  }
}

@media (max-width: 480px) {
  .ftab {
    padding: 0.35rem 0.7rem;
    font-size: 0.74rem;
  }
  .proj-card {
    padding: 1.1rem;
  }
  .preview-wrap {
    height: 160px;
  }
  .iframe-wrap {
    height: 124px;
  }
}