/* ============================================================
   PROJECTS.CSS — Projects Page Styles
   ============================================================ */

.projects-hero {
  padding: calc(var(--nav-height) + 4rem) 0 3rem;
  position: relative;
  z-index: 10;
  text-align: center;
}

/* ── Tab Toggle ── */
.tab-bar {
  display: flex;
  gap: 0;
  border: 1px solid var(--border-cyan);
  border-radius: 6px;
  overflow: hidden;
  width: fit-content;
  margin: 0 auto 3rem;
}

.tab-btn {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.65rem 1.75rem;
  color: var(--text-muted);
  background: transparent;
  border: none;
  transition: var(--transition);
  cursor: none;
  position: relative;
}

.tab-btn.active {
  background: rgba(0, 245, 255, 0.08);
  color: var(--accent-cyan);
  box-shadow: inset 0 0 20px rgba(0,245,255,0.05);
}

.tab-btn:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0; top: 20%;
  height: 60%; width: 1px;
  background: var(--border-cyan);
}

/* ── Active Mission Card ── */
.active-mission-card {
  background: linear-gradient(135deg, rgba(0,245,255,0.05) 0%, rgba(0,0,0,0) 60%);
  border: 1px solid rgba(0, 245, 255, 0.35);
  border-radius: 16px;
  padding: 3rem;
  position: relative;
  overflow: hidden;
  margin-bottom: 4rem;
}

.active-mission-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green), var(--accent-orange));
  box-shadow: 0 0 20px rgba(0,245,255,0.5);
}

.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.mission-codename {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  color: var(--accent-cyan);
  letter-spacing: 0.05em;
  text-shadow: var(--glow-cyan);
  margin: 1rem 0;
}

.mission-description {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.mission-focus-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mission-focus-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.mission-focus-item::before {
  content: '▶';
  color: var(--accent-cyan);
  font-size: 0.5rem;
}

/* Stage tracker */
.stage-tracker {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.stage-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.stage-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  border: 1px solid var(--border-cyan);
  background: transparent;
  flex-shrink: 0;
  margin-top: 2px;
  transition: var(--transition);
}

.stage-dot.done {
  background: var(--accent-green);
  border-color: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

.stage-dot.active {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  animation: pulse 1.5s ease-in-out infinite;
}

.stage-info {}
.stage-name {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-primary);
  letter-spacing: 0.1em;
}

.stage-detail {
  font-family: var(--font-body);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

/* ── Archived Projects Grid ── */
.archived-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.archive-card {
  background: var(--bg-card);
  border: 1px solid var(--border-cyan);
  border-radius: 10px;
  padding: 1.5rem;
  cursor: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.archive-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  opacity: 0.4;
}

.archive-card:hover {
  border-color: var(--border-cyan-bright);
  box-shadow: var(--glow-cyan);
  transform: translateY(-4px);
  cursor: none;
}

.archive-year {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--accent-cyan);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.archive-title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.archive-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Tech Tools Grid ── */
.tech-tools-section {
  margin-top: 5rem;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.tool-item {
  background: rgba(0,245,255,0.03);
  border: 1px solid var(--border-cyan);
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
  transition: var(--transition);
}

.tool-item:hover {
  border-color: var(--border-cyan-bright);
  box-shadow: var(--glow-cyan);
  background: rgba(0,245,255,0.06);
}

.tool-icon { font-size: 1.5rem; margin-bottom: 0.4rem; }
.tool-name {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .mission-grid { grid-template-columns: 1fr; gap: 2rem; }
  .archived-grid { grid-template-columns: repeat(2, 1fr); }
  .active-mission-card { padding: 2rem 1.5rem; }
}

@media (max-width: 480px) {
  .archived-grid { grid-template-columns: 1fr; }
}