.alkot-site-header {
  position: relative;
  z-index: 30;
  background: rgba(6, 6, 6, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px);
}

.alkot-site-header .alkot-nav-wrap {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.alkot-site-header .alkot-site-nav {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.alkot-site-header .alkot-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: #f5efe9;
  text-decoration: none;
  flex: none;
}

.alkot-site-header .alkot-brand-mark {
  display: block;
  width: 42px;
  height: 54px;
  color: #d80a17;
  flex: none;
  filter: drop-shadow(0 0 18px rgba(216, 10, 23, 0.18));
}

.alkot-site-header .alkot-brand-lockup {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.alkot-site-header .alkot-brand-word {
  font: 700 1.05rem/1.2 "Instrument Sans", system-ui, sans-serif;
  letter-spacing: 0.14em;
}

.alkot-site-header .alkot-brand-sub {
  color: #b6aca3;
  font: 400 0.66rem/1.2 "Instrument Sans", system-ui, sans-serif;
  letter-spacing: 0.38em;
}

.alkot-site-header .alkot-nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.alkot-site-header .alkot-nav-trigger {
  appearance: none;
  border: 0;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 0;
  background: transparent;
  color: #b6aca3;
  font: 600 0.82rem/1.2 "Instrument Sans", system-ui, sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: color 180ms ease;
}

.alkot-site-header .alkot-nav-trigger:hover,
.alkot-site-header .alkot-nav-trigger:focus-visible,
.alkot-site-header .alkot-nav-trigger[aria-current="page"] {
  color: #f5efe9;
}

.alkot-site-header .alkot-nav-book {
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ec1b29, #af0d17);
  color: #fff;
  box-shadow: 0 18px 45px rgba(216, 10, 23, 0.24);
}

.alkot-site-header .alkot-nav-book:hover,
.alkot-site-header .alkot-nav-book:focus-visible {
  color: #fff;
  background: linear-gradient(135deg, #ff2c39, #b20c16);
}

.alkot-site-header a:focus-visible,
.alkot-site-header button:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 4px;
}

@media (max-width: 820px) {
  .alkot-site-header .alkot-nav-links { gap: 16px; }
}

@media (max-width: 640px) {
  .alkot-site-header .alkot-nav-wrap { width: min(1180px, calc(100% - 28px)); }
  .alkot-site-header .alkot-site-nav { min-height: 74px; }
  .alkot-site-header .alkot-brand { gap: 8px; }
  .alkot-site-header .alkot-brand-mark { width: 36px; height: 46px; }
  .alkot-site-header .alkot-brand-word { font-size: 0.92rem; }
  .alkot-site-header .alkot-brand-sub { font-size: 0.58rem; }
  .alkot-site-header .alkot-nav-links { gap: 10px; }
  .alkot-site-header .alkot-nav-links > :nth-child(3) { display: none; }
  .alkot-site-header .alkot-nav-trigger { font-size: 0.62rem; letter-spacing: 0.08em; }
  .alkot-site-header .alkot-nav-book { min-height: 44px; padding: 0 12px; }
}

@media (max-width: 375px) {
  :root { --header-height: 120px; }
  .alkot-site-header .alkot-site-nav { flex-wrap: wrap; gap: 4px; padding-block: 8px; }
  .alkot-site-header .alkot-brand-mark { width: 30px; height: 40px; }
  .alkot-site-header .alkot-nav-links { width: 100%; justify-content: space-between; }
}

@media (prefers-reduced-motion: reduce) {
  .alkot-site-header .alkot-nav-trigger { transition: none; }
}