/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--r-sm);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: all var(--t-fast);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #0C0A09;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hi);
  border-color: var(--accent-hi);
  transform: translateY(-1px);
  color: #0C0A09;
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--border-hi);
  color: var(--text-1);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.btn-outline:hover {
  background: var(--accent-dim);
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: var(--text-base);
}

/* Tags (tech stack pills) */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  white-space: nowrap;
}

/* Verified badge */
.verified-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: var(--text-xs);
  color: var(--success);
  font-weight: 500;
}

.verified-mark svg {
  width: 12px;
  height: 12px;
}

/* Icon link */
.icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--r-sm);
  color: var(--text-3);
  border: 1px solid transparent;
  transition: all var(--t-fast);
}

.icon-link:hover {
  color: var(--accent);
  border-color: var(--border);
}

.icon-link svg {
  width: 16px;
  height: 16px;
}

/* Social link (contact section — with label) */
.soc-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: var(--text-sm);
  color: var(--text-2);
  transition: all var(--t-fast);
}

.soc-link:hover {
  border-color: var(--border-hi);
  color: var(--text-1);
}

.soc-link.pro {
  border-color: rgba(217, 119, 6, 0.4);
  color: var(--accent);
}

.soc-link svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

/* Footer social (icon-only) */
.footer-soc {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-3);
  transition: all var(--t-fast);
}

.footer-soc:hover {
  color: var(--accent);
  border-color: var(--border-hi);
}

.footer-soc svg {
  width: 15px;
  height: 15px;
}

/* Modal */
.modal-wrap {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(12, 10, 9, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-base);
  backdrop-filter: blur(8px);
}

.modal-wrap.active {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  position: relative;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.75rem;
  max-width: 680px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transform: scale(0.97);
  transition: transform var(--t-base);
}

.modal-wrap.active .modal-box {
  transform: scale(1);
}

.modal-dismiss {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-3);
  transition: all var(--t-fast);
}

.modal-dismiss:hover {
  color: var(--text-1);
  border-color: var(--border-hi);
}

.modal-image {
  max-width: 100%;
  max-height: 60vh;
  object-fit: contain;
  border-radius: var(--r-md);
}

.modal-label {
  font-size: var(--text-xs);
  color: var(--text-3);
}

/* Back to top */
.back-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 90;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-3);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: all var(--t-base);
}

.back-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.back-top:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* Form success */
.form-success {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  color: var(--success);
  font-weight: 500;
}

.form-success[hidden] {
  display: none;
}