/* HEADER STYLES – DAILYPLAYPOINT
   Builds on base.css; only header-specific rules here. */

.dp-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(5, 8, 20, 0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
}

.dp-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
  gap: var(--space-4);
}

/* Brand / logo */
.dp-header__brand {
  display: flex;
  align-items: center;
}

.dp-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
}

.dp-header__logo-mark {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.9rem;
  background: radial-gradient(circle at 30% 0, rgba(59, 130, 246, 0.85), rgba(15, 23, 42, 1));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.dp-header__logo-icon {
  color: #0b1020;
  font-size: 1.25rem;
}

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

.dp-header__brand-name {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.dp-header__brand-tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Navigation */
.dp-header__nav {
  display: flex;
}

.dp-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.dp-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.dp-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-strong));
  transition: width var(--transition-normal);
}

.dp-header__nav-link:hover,
.dp-header__nav-link:focus-visible {
  color: var(--color-text);
}

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

.dp-header__nav-item--cta .dp-header__nav-link--cta {
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: radial-gradient(circle at top, rgba(59, 130, 246, 0.4), rgba(15, 23, 42, 0.9));
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.dp-header__nav-item--cta .dp-header__nav-link--cta::after {
  display: none;
}

.dp-header__nav-item--cta .dp-header__nav-link--cta:hover,
.dp-header__nav-item--cta .dp-header__nav-link--cta:focus-visible {
  border-color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Mobile toggle */
.dp-header__toggle {
  display: none;
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  flex-direction: column;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.85);
  align-items: center;
  justify-content: center;
  padding: 0;
}

.dp-header__toggle-line {
  display: block;
  position: absolute;
  left: 50%;
  width: 1.2rem;
  height: 2px;
  background: var(--color-text);
  border-radius: 999px;
  transform: translateX(-50%);
  transition: transform var(--transition-normal), top var(--transition-normal), opacity var(--transition-normal), width var(--transition-normal);
}

.dp-header__toggle-line:nth-child(1) {
  top: 0.84rem;
}

.dp-header__toggle-line:nth-child(2) {
  top: 1.24rem;
}

.dp-header__toggle-line:nth-child(3) {
  top: 1.64rem;
}

.dp-header__toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Open state (controlled by JS) */
.dp-header__toggle--open .dp-header__toggle-line:nth-child(1) {
  top: 1.24rem;
  transform: translateX(-50%) rotate(45deg);
  width: 1.3rem;
}

.dp-header__toggle--open .dp-header__toggle-line:nth-child(2) {
  opacity: 0;
}

.dp-header__toggle--open .dp-header__toggle-line:nth-child(3) {
  top: 1.24rem;
  transform: translateX(-50%) rotate(-45deg);
  width: 1.3rem;
}

/* Responsive behavior */
@media (max-width: 960px) {
  .dp-header__inner {
    height: auto;
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
  }

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

  .dp-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: rgba(5, 8, 20, 0.97);
    border-bottom: 1px solid rgba(148, 163, 184, 0.25);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
  }

  .dp-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4);
    gap: var(--space-2);
  }

  .dp-header__nav-item--cta {
    margin-top: var(--space-2);
    width: 100%;
  }

  .dp-header__nav-item--cta .dp-header__nav-link--cta {
    width: 100%;
    justify-content: center;
  }

  /* Open state modifier applied to nav */
  .dp-header__nav--open {
    opacity: 1;
    transform: scaleY(1);
    pointer-events: auto;
  }
}

@media (max-width: 640px) {
  .dp-header__brand-tagline {
    display: none;
  }
}