/* ============================================
   COMPONENTS — Buttons, Cards, Tags, Icons
   ============================================ */

/* ── Primary Button ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  color: var(--accent-primary);
  border: 1px solid var(--accent-primary);
  background: transparent;
}

.btn-primary:hover {
  background: rgba(100, 255, 218, 0.08);
  box-shadow: var(--shadow-glow);
}

.btn-glow {
  color: var(--bg-primary);
  background: var(--accent-primary);
  border: 1px solid var(--accent-primary);
  font-weight: var(--fw-semibold);
}

.btn-glow:hover {
  background: #52e8c6;
  box-shadow: var(--shadow-glow-lg);
  transform: translateY(-2px);
}

.btn-icon {
  padding: var(--space-3);
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  color: var(--accent-primary);
  transform: translateY(-3px);
}

/* ── Glass Card ── */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-base);
}

.glass-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-md);
}

/* ── Tech Tag ── */
.tech-tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--accent-primary);
  background: rgba(100, 255, 218, 0.06);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--border-radius-sm);
  letter-spacing: var(--ls-wide);
  white-space: nowrap;
}

/* ── Project Card ── */
.project-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.project-card:hover {
  transform: translateY(-8px);
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-lg);
}

.project-card:hover::before {
  transform: scaleX(1);
}

.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-6);
}

.project-card-folder {
  color: var(--accent-primary);
}

.project-card-folder svg {
  width: 40px;
  height: 40px;
}

.project-card-links {
  display: flex;
  gap: var(--space-3);
}

.project-card-links a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.project-card-links a:hover {
  color: var(--accent-primary);
}

.project-card-links svg {
  width: 20px;
  height: 20px;
}

.project-card h4 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-3);
  transition: color var(--transition-fast);
}

.project-card:hover h4 {
  color: var(--accent-primary);
}

.project-card p {
  font-size: var(--fs-sm);
  flex-grow: 1;
  margin-bottom: var(--space-6);
}

.project-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: auto;
}

.project-card-tags span {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-secondary);
}

/* ── Featured Project ── */
.featured-project {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
  margin-bottom: var(--space-16);
  position: relative;
}

.featured-project:nth-child(even) {
  direction: rtl;
}

.featured-project:nth-child(even) > * {
  direction: ltr;
}

.featured-project-image {
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.featured-project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.featured-project-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 15, 0.4);
  transition: background var(--transition-base);
}

.featured-project:hover .featured-project-image img {
  transform: scale(1.05);
}

.featured-project:hover .featured-project-image::after {
  background: transparent;
}

.featured-project-content {
  position: relative;
  z-index: 2;
}

.featured-project-overline {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--accent-primary);
  margin-bottom: var(--space-2);
}

.featured-project-content h3 {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-6);
  transition: color var(--transition-fast);
}

.featured-project-content h3:hover {
  color: var(--accent-primary);
}

.featured-project-description {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  padding: var(--space-6);
  border-radius: var(--border-radius-md);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-6);
}

.featured-project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.featured-project-tech span {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-secondary);
}

.featured-project-links {
  display: flex;
  gap: var(--space-4);
}

.featured-project-links a {
  color: var(--text-heading);
  transition: color var(--transition-fast);
}

.featured-project-links a:hover {
  color: var(--accent-primary);
}

.featured-project-links svg {
  width: 22px;
  height: 22px;
}

@media (max-width: 768px) {
  .featured-project {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .featured-project:nth-child(even) {
    direction: ltr;
  }

  .featured-project-description {
    background: rgba(18, 18, 26, 0.9);
  }
}

/* ── Social Link Icons ── */
.social-links {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}

.social-links a {
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  display: flex;
}

.social-links a:hover {
  color: var(--accent-primary);
  transform: translateY(-3px);
}

.social-links svg {
  width: 22px;
  height: 22px;
}

/* ── Side Elements (fixed email & social) ── */
.side-element {
  position: fixed;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  z-index: 10;
}

.side-element::after {
  content: '';
  width: 1px;
  height: 90px;
  background: var(--text-secondary);
}

.side-left {
  left: 40px;
}

.side-right {
  right: 40px;
}

.side-element a {
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.side-element a:hover {
  color: var(--accent-primary);
  transform: translateY(-3px);
}

.side-element svg {
  width: 20px;
  height: 20px;
}

.side-email {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
}

@media (max-width: 1024px) {
  .side-element {
    display: none;
  }
}