/* ════════════════════════════════════════════
   HEADER
   ════════════════════════════════════════════ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-soft);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 28px;
  z-index: 100;
}

.h-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ctrl-btn {
  width: 30px;
  height: 30px;
  background: #ffffff;
  border: 1px solid var(--border-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--ink-700);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 14px rgba(13, 45, 74, 0.06);
}

.ctrl-btn:hover {
  color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(59, 110, 240, 0.18);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  justify-content: center;
}

.brand-name {
  font-family: var(--font-brand);
  font-size: 22px;
  white-space: nowrap;
  letter-spacing: 0.08em;
  color: var(--ink-900);
  line-height: 1;
  user-select: none;
}

.brand-name em {
  color: var(--accent);
  font-style: normal;
}

.h-right {
  display: flex;
  justify-content: flex-end;
}

/* ASSIST-სტილის ღილაკი */
.call-btn {
  background: linear-gradient(135deg, #4a8df0, #2553d8);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 7px 16px;
  font-family: var(--font-d);
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  box-shadow: 0 8px 22px rgba(59, 110, 240, 0.32);
  transition: transform 0.15s, box-shadow 0.2s;
}

.call-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(59, 110, 240, 0.4);
}

.call-btn i {
  animation: ring 2.8s ease-in-out infinite;
  display: inline-block;
}

@keyframes ring {
  0%, 55%, 100% { transform: rotate(0); }
  60% { transform: rotate(-18deg); }
  65% { transform: rotate(18deg); }
  70% { transform: rotate(-12deg); }
  75% { transform: rotate(8deg); }
  80% { transform: rotate(0); }
}