/* /styles/sections/header.css */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  padding: var(--space-sm) 0;
  transition: background var(--duration-base) var(--ease-out-quart),
              padding var(--duration-base) var(--ease-out-quart),
              border-color var(--duration-base) var(--ease-out-quart);
  border-bottom: 1px solid transparent;
}

.site-header[data-scrolled="true"] {
  background: oklch(0.13 0.015 50 / 0.85);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom-color: var(--border-subtle);
  padding: 0.6rem 0;
}

[data-theme="light"] .site-header[data-scrolled="true"] {
  background: oklch(0.85 0.025 60 / 0.85);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
  position: relative;
  z-index: 90;
}

/* LOGO sem fundo bege — transparente */
.site-header__logo {
  height: clamp(38px, 4.5vw, 50px);
  width: auto;
  background: transparent;
  padding: 0;
  border-radius: 0;
  transition: transform var(--duration-base) var(--ease-out-expo);
}

.site-header__brand:hover .site-header__logo {
  transform: scale(1.04);
}

.site-header__nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.site-header__actions {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  position: relative;
  z-index: 90;
}

@media (max-width: 1024px) {
  .site-header {
    padding: 0.6rem 0;
  }

  .site-header__nav {
    flex: 0;
  }
}

@media (max-width: 640px) {
  .site-header__cta-text {
    display: none;
  }

  .site-header__actions .btn {
    padding: 0.6rem 1rem;
  }

  .site-header__actions {
    gap: 0.4rem;
  }

  .nav__theme-toggle {
    width: 2.25rem;
    height: 2.25rem;
  }
}

@media (max-width: 380px) {
  .site-header__logo {
    height: 34px;
  }
}