/* ==================== COMPONENTS ==================== */

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  transition: all var(--transition-base);
  white-space: nowrap;
}
.btn--primary {
  background: var(--accent);
  color: var(--bg-page);
}
.btn--primary:hover {
  background: #f5aa91;
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}
.btn--ghost {
  border: 1.5px solid var(--border-accent);
  color: var(--text-primary);
  background: transparent;
}
.btn--ghost:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg-page);
  transform: translateY(-2px);
}
.btn--full { width: 100%; justify-content: center; }

/* --- Cards (shared) --- */
.card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  padding: var(--card-pad);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}
.card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-accent);
  transform: translateY(-3px);
}

/* --- Token Chips (mono) --- */
.token-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border-accent);
  border-radius: 5px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--accent-tint);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}
.token-chip.visible {
  opacity: 1;
  transform: translateX(0);
}

/* --- Skill Chips --- */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--border-accent);
  border-radius: 20px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  background: transparent;
  font-family: var(--font-body);
  white-space: nowrap;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}
.chip:hover { border-color: var(--accent); color: var(--accent); }

/* --- Tech Badges (Introduction) --- */
.tech-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 1.5rem;
}
.tech-badge {
  padding: 0.35rem 0.85rem;
  border-radius: 6px;
  font-size: 0.8125rem;
  font-weight: 500;
  background: var(--accent-tint);
  color: var(--accent);
  border: 1px solid var(--border-accent);
}

/* --- Stat Cards --- */
.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 1.25rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--card-radius);
  min-width: 120px;
  transition: border-color var(--transition-base);
}
.stat-card:hover { border-color: var(--border-accent); }
.stat-card__num {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.stat-card__num::after { content: '+'; }
.stat-card__label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

/* --- Filter Buttons --- */
.project-filter {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.filter-btn {
  padding: 0.45rem 1.1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  background: transparent;
  transition: all var(--transition-fast);
}
.filter-btn:hover, .filter-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-tint);
}

/* --- Nav --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1rem 0;
  transition: background var(--transition-base), backdrop-filter var(--transition-base), border-bottom var(--transition-base);
}
.nav.scrolled {
  background: rgba(27, 17, 8, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}
.nav__links a:hover { color: var(--accent); }
.nav__toggle { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.nav__toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--text-primary); border-radius: 2px;
  transition: all var(--transition-base);
}

/* --- Form Inputs --- */
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label { font-size: 0.875rem; font-weight: 500; color: var(--text-secondary); }
.form-group input,
.form-group textarea {
  background: var(--surface);
  border: 1.5px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-family: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(240, 153, 123, 0.15);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }

/* --- Social Buttons --- */
.social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 8px;
  background: var(--accent-tint);
  border: 1px solid var(--border-accent);
  color: var(--accent);
  transition: all var(--transition-fast);
}
.social-btn svg { width: 18px; height: 18px; }
.social-btn:hover {
  background: var(--accent);
  color: var(--bg-page);
  transform: translateY(-2px);
}

/* --- Stack Pill --- */
.stack-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 1rem;
  border: 1px solid var(--border-accent);
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  background: var(--accent-tint);
  margin: 0 auto 2.5rem;
  text-align: center;
  letter-spacing: 0.06em;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 2rem 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer__name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
}
.footer__copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* --- Lightbox --- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(27, 17, 8, 0.95);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 2rem;
  gap: 1rem;
}
.lightbox.open { display: flex; }
.lightbox__img {
  max-width: min(700px, 90vw);
  max-height: 70vh;
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid var(--border-accent);
}
.lightbox__caption {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  text-align: center;
}
.lightbox__close {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  font-size: 2rem;
  color: var(--text-secondary);
  line-height: 1;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  transition: color var(--transition-fast), background var(--transition-fast);
}
.lightbox__close:hover { color: var(--accent); background: var(--accent-tint); }