/* ===== New features ===== */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  z-index: 2000;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
  box-shadow: 0 0 12px var(--accent-glow);
  transition: width 0.05s linear;
}

.availability-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-3);
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.35);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.avail-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-3);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5);
  animation: avail-pulse 2s ease-out infinite;
}
@keyframes avail-pulse {
  0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.55); }
  70% { box-shadow: 0 0 0 10px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

.learning-strip {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.learning-label {
  font-size: 0.75rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.learning-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.learning-tags span {
  font-size: 0.78rem;
  font-weight: 550;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px dashed rgba(129, 140, 248, 0.45);
  color: var(--accent-2);
  background: rgba(129, 140, 248, 0.08);
}

.tech-icons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}
.tech-icons span {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition);
}
.tech-icons span:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
  transform: translateY(-2px);
}

.skill-meters {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 36px;
}
.skill-meter .meter-head {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.meter-pct { color: var(--accent); font-family: var(--mono); font-size: 0.8rem; }
.meter-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.15);
  overflow: hidden;
}
.meter-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px var(--accent-glow);
  transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}

.timeline-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.timeline-badges span {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 8px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(34, 211, 238, 0.2);
}

.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}
.filter-btn {
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.filter-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #05080f;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(34, 211, 238, 0.3);
}
[data-theme="light"] .filter-btn.active { color: #fff; }
.project-card.is-hidden {
  display: none;
}

.btn-copy {
  margin-top: 12px;
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 650;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid rgba(34, 211, 238, 0.35);
  background: var(--accent-dim);
  color: var(--accent);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-copy:hover {
  background: var(--accent);
  color: #05080f;
}
[data-theme="light"] .btn-copy:hover { color: #fff; }
.btn-copy.copied {
  background: rgba(52, 211, 153, 0.2);
  border-color: rgba(52, 211, 153, 0.5);
  color: var(--accent-3);
}

.contact-card-email {
  cursor: default;
}
.contact-card-email:hover {
  border-color: var(--border-strong);
}

.contact-form {
  margin-top: 40px;
  max-width: 640px;
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
}
.form-title {
  font-size: 1.15rem;
  margin-bottom: 18px;
  font-weight: 700;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-bottom: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(5, 8, 15, 0.35);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition);
}
[data-theme="light"] .contact-form input,
[data-theme="light"] .contact-form textarea {
  background: #fff;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
}
.form-submit {
  border: none;
  margin-top: 4px;
}
.form-note {
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
}
@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
}

#back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card-solid);
  color: var(--accent);
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: all 0.3s ease;
  z-index: 900;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}
#back-to-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
#back-to-top:hover {
  background: var(--accent);
  color: #05080f;
  border-color: var(--accent);
  transform: translateY(-3px);
}
[data-theme="light"] #back-to-top:hover { color: #fff; }

.nav-links a.active-link {
  color: var(--accent) !important;
}
.nav-links a.active-link::after {
  width: 100% !important;
}

@media (max-width: 600px) {
  .certs-grid {
    display: flex;
    overflow-x: auto;
    gap: 14px;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
  }
  .cert-card {
    min-width: 220px;
    flex-shrink: 0;
    scroll-snap-align: start;
  }
}

.confetti-burst {
  position: fixed;
  pointer-events: none;
  z-index: 3000;
  width: 8px;
  height: 8px;
  border-radius: 2px;
}

.contact-card-whatsapp:hover {
  border-color: rgba(37, 211, 102, 0.55) !important;
  box-shadow: 0 12px 36px rgba(37, 211, 102, 0.15);
}
.contact-card-whatsapp:hover .contact-icon {
  filter: drop-shadow(0 4px 12px rgba(37, 211, 102, 0.35));
}

.contact-card-vcard:hover {
  border-color: rgba(129, 140, 248, 0.55) !important;
  box-shadow: 0 12px 36px rgba(129, 140, 248, 0.15);
}