.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all var(--transition-base);
  padding: 16px 0;
}

.header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(13,13,26,0);
  backdrop-filter: blur(0px);
  transition: all var(--transition-base);
}

.header.scrolled::before {
  background: rgba(13,13,26,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

.header.scrolled {
  padding: 12px 0;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

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

.header__logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 15px rgba(232,67,26,0.4);
}

.header__logo-text {
  display: flex;
  flex-direction: column;
}

.header__logo-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 18px;
  color: var(--color-text);
  line-height: 1;
}

.header__logo-name span {
  color: var(--color-primary);
}

.header__logo-tagline {
  font-size: 10px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 2px;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.header__nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}

.header__nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.header__nav-link:hover {
  color: var(--color-text);
}

.header__nav-link:hover::after {
  width: 100%;
}

.header__nav-link.active {
  color: var(--color-text);
}

.header__nav-link.active::after {
  width: 100%;
}

.header__nav-link--contact {
  color: var(--color-text);
  background: rgba(232,67,26,0.1);
  border: 1px solid rgba(232,67,26,0.25);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: all var(--transition-base);
}

.header__nav-link--contact:hover {
  background: rgba(232,67,26,0.2);
  border-color: rgba(232,67,26,0.5);
  color: var(--color-primary);
}

.header__nav-link--contact::after {
  display: none;
}

.header__cta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.header__coins {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(245,166,35,0.1);
  border: 1px solid rgba(245,166,35,0.25);
  border-radius: var(--radius-full);
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
}

.header__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.header__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.header__hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__hamburger.active span:nth-child(2) {
  opacity: 0;
}

.header__hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.header__mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(13,13,26,0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-base);
}

.header__mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.header__mobile-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}

.header__mobile-nav a {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.header__mobile-nav a:hover {
  color: var(--color-primary);
}

@media (max-width: 1024px) {
  .header__nav-links {
    gap: var(--spacing-md);
  }
}

@media (max-width: 768px) {
  .header__nav {
    display: none;
  }

  .header__hamburger {
    display: flex;
  }

  .header__mobile-menu {
    display: flex;
  }
}