/* ===== HEADER ===== */
header {
  padding: 0 40px;
  height: 64px;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header h1 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-family: "Space Mono", monospace;
}

header h1::before {
  content: "> ";
  opacity: 0.5;
}

header nav ul {
  list-style: none;
  display: flex;
  gap: 8px;
  align-items: center;
}

header nav ul li {
  display: inline;
}

.nav-btn {
  display: inline-block;
  padding: 6px 16px;
  font-family: "Space Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.nav-btn:hover,
.nav-btn.active {
  color: var(--accent);
  border-color: var(--border);
  background: var(--accent-dim);
}

/* ===== SECTIONS ===== */
section {
  padding: 20px 40px;
  max-width: 860px;
  margin: 0 auto;
}

section h2 {
  font-size: 0.75rem;
  font-family: "Space Mono", monospace;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 16px;
}

section h2::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--border), transparent);
}
/* ===== INTRO SECTION ===== */

#intro .intro-content {
  max-width: 720px;
}

#intro p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 18px;
}

/* ===== SEARCH INPUT ===== */
#searchInput {
  width: 100%;
  padding: 12px 20px;
  margin-bottom: 32px;
  font-size: 14px;
  font-family: "Space Mono", monospace;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition:
    border-color 0.25s,
    box-shadow 0.25s;
  outline: none;
}

#searchInput::placeholder {
  color: var(--text-muted);
}

#searchInput:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
/* ===== PROJECT CARDS ===== */
.project-link {
  display: block;
  text-decoration: none;
  color: inherit;
  margin-bottom: 16px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.5s ease forwards;
}

.project-link:nth-child(1) {
  animation-delay: 0.05s;
}
.project-link:nth-child(2) {
  animation-delay: 0.1s;
}
.project-link:nth-child(3) {
  animation-delay: 0.15s;
}
.project-link:nth-child(4) {
  animation-delay: 0.2s;
}
.project-link:nth-child(5) {
  animation-delay: 0.25s;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.project {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 24px 28px;
  border-radius: var(--radius-lg);
  transition:
    border-color 0.25s,
    background 0.25s,
    transform 0.2s;
  position: relative;
  overflow: hidden;
}

.project::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    var(--accent),
    transparent
  );
  opacity: 0;
  transition: opacity 0.3s;
}

.project-link:hover .project {
  border-color: rgba(187, 134, 252, 0.3);
  background: var(--bg-elevated);
  transform: translateY(-3px);
}

.project-link:hover .project::before {
  opacity: 1;
}

.project h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: 0.01em;
  transition: color 0.2s;
}

.project-link:hover .project h3 {
  color: var(--accent);
}

.project p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

#project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* ===== CONTACT SECTION ===== */
#contact {
  border-top: 1px solid var(--border);
}

#contact p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

#contact a {
  color: var(--accent);
  text-decoration: none;
  font-family: "Space Mono", monospace;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
  transition:
    border-color 0.2s,
    color 0.2s;
}

#contact a:hover {
  color: #fff;
  border-color: var(--accent);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  header {
    padding: 0 20px;
    flex-direction: column;
    height: auto;
    padding: 16px 20px;
    gap: 12px;
  }

  section {
    padding: 60px 20px;
  }
}