@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--teal); }

/* ── ABOUT LAYOUT ── */
.about-section { padding: 80px 80px 0; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

/* ── BURGER MENU ── */
.nav-burger {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 18px;
  cursor: pointer;
  line-height: 1;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  nav { padding: 14px 16px; }
  .nav-burger { display: block; }
  .nav-links {
    display: none;
    position: fixed;
    top: 57px;
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 8px 24px 16px;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--border); }
  .nav-links li:last-child { border-bottom: none; }
  .nav-links a { display: block; padding: 14px 0; font-size: 15px; }
  .theme-toggle { padding: 6px 10px; font-size: 11px; }
  #hero { padding: 100px 24px 60px; }
  .hero-name { font-size: clamp(28px, 8.5vw, 36px); letter-spacing: -1px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-photo-wrap { max-width: 280px; margin: 0 auto; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  section { padding: 60px 24px; }
  .about-section { padding: 60px 24px 0; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .projects-grid { grid-template-columns: 1fr; }
  #contact { padding: 60px 24px; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
}