/* === Header === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: all var(--transition);
}

.header.scrolled {
  height: var(--header-height-sticky);
  background-color: rgba(246, 243, 238, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1001;
}

.header__logo img {
  height: 52px;
  width: 52px;
  object-fit: cover;
  border-radius: 50%;
  transition: all var(--transition);
}

.header.scrolled .header__logo img {
  height: 44px;
  width: 44px;
}

.header__logo-text {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.header__logo-text span {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.header__menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header__menu a {
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  position: relative;
  padding: 4px 0;
}

.header__menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: width var(--transition);
}

.header__menu a:hover::after,
.header__menu a.active::after {
  width: 100%;
}

.header__menu a:hover {
  color: var(--color-text);
}

.header__cta {
  margin-left: 8px;
}

/* === Burger === */
.burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  cursor: pointer;
  z-index: 1001;
}

.burger__line {
  display: block;
  width: 24px;
  height: 1.5px;
  background-color: var(--color-text);
  transition: all var(--transition);
}

.burger__line + .burger__line {
  margin-top: 6px;
}

.burger.active .burger__line:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.burger.active .burger__line:nth-child(2) {
  opacity: 0;
}

.burger.active .burger__line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* === Mobile Menu === */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-bg);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 40px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu a {
  font-family: var(--font-heading);
  font-size: 2rem;
  display: block;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-slow);
}

.mobile-menu.open a {
  transform: translateY(0);
  opacity: 1;
}

.mobile-menu.open a:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.open a:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.open a:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.open a:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.open a:nth-child(5) { transition-delay: 0.3s; }

.mobile-menu .btn {
  margin-top: 20px;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-slow);
  transition-delay: 0.35s;
}

.mobile-menu.open .btn {
  transform: translateY(0);
  opacity: 1;
}

/* === Responsive === */
@media (max-width: 1024px) {
  .header__menu {
    display: none;
  }

  .header__cta {
    display: none;
  }

  .burger {
    display: flex;
  }
}