/* Header styles for StyleCraftMode */

.scm-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(180deg, rgba(11, 11, 11, 0.98), rgba(11, 11, 11, 0.94));
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-subtle);
}

.scm-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

.scm-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  text-decoration: none;
}

.scm-header__brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 1px solid var(--color-primary);
  position: relative;
  box-shadow: 0 0 0 1px rgba(199, 164, 106, 0.25);
}

.scm-header__brand-mark::before {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: inherit;
  background: radial-gradient(circle at 30% 0%, rgba(248, 243, 234, 0.3), transparent 55%),
              radial-gradient(circle at 80% 100%, rgba(199, 164, 106, 0.6), transparent 60%);
}

.scm-header__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.scm-header__brand-name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.scm-header__brand-tagline {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
}

/* Nav */

.scm-header__nav {
  margin-left: auto;
}

.scm-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-16);
}

.scm-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.scm-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(199, 164, 106, 0.2), var(--color-primary));
  transition: width var(--transition-base);
}

.scm-header__nav-link:hover,
.scm-header__nav-link:focus-visible {
  color: var(--color-neutral-50);
}

.scm-header__nav-link:hover::after,
.scm-header__nav-link:focus-visible::after {
  width: 100%;
}

/* Actions */

.scm-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-left: var(--space-16);
}

.scm-header__action-btn {
  padding-inline: 1.3rem;
  font-size: var(--font-size-xs);
}

/* Mobile toggle */

.scm-header__toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-strong);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  color: var(--color-text);
}

.scm-header__toggle-bar {
  width: 18px;
  height: 1.5px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base), width var(--transition-base);
}

/* Mobile layout */

@media (max-width: 900px) {
  .scm-header__inner {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }

  .scm-header__toggle {
    display: inline-flex;
  }

  .scm-header__nav {
    position: fixed;
    inset: 0 0 auto 0;
    top: 56px;
    background: rgba(11, 11, 11, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-subtle);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-slow), opacity var(--transition-base);
  }

  .scm-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-16);
    gap: var(--space-12);
  }

  .scm-header__nav-link {
    font-size: var(--font-size-md);
  }

  .scm-header__actions {
    margin-left: 0;
  }

  .scm-header--menu-open .scm-header__nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .scm-header--menu-open .scm-header__toggle-bar:nth-child(1) {
    transform: translateY(3.75px) rotate(42deg);
    width: 18px;
  }

  .scm-header--menu-open .scm-header__toggle-bar:nth-child(2) {
    transform: translateY(-3.75px) rotate(-42deg);
    width: 18px;
  }
}

/* Ultra-small screens: stack brand and actions */

@media (max-width: 540px) {
  .scm-header__inner {
    gap: var(--space-10);
  }

  .scm-header__brand-tagline {
    display: none;
  }

  .scm-header__actions {
    display: none;
  }
}