/* ==========================================================================
   Header styles for "Gather Avenue" MICHEL PETROWSKI
   Redesigned CSS-only / existing HTML unchanged
   ========================================================================== */

.env-header {
  position: sticky;
  top: 0;
  z-index: 40;
  isolation: isolate;
  background:
    radial-gradient(circle at 0% 0%, rgba(47, 47, 228, 0.24), transparent 34%),
    radial-gradient(
      circle at 100% 0%,
      rgba(206, 38, 38, 0.16),
      transparent 36%
    ),
    rgba(2, 3, 10, 0.86);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
}

.env-header::before {
  content: '';
  position: absolute;
  inset-inline: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(47, 47, 228, 0.85),
    rgba(206, 38, 38, 0.62),
    transparent
  );
  pointer-events: none;
  z-index: -1;
}

.env-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 4.25rem;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

/* Brand */
.env-header__brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.env-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.env-header__logo-mark {
  position: relative;
  width: 2.85rem;
  height: 2.85rem;
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 0;
  background: conic-gradient(from 210deg, #2f2fe4, #ce2626, #2f2fe4), #050813;
  display: grid;
  place-items: center;
  box-shadow:
    0 0 0 7px rgba(47, 47, 228, 0.08),
    0 14px 34px rgba(47, 47, 228, 0.28);
  overflow: hidden;
}

.env-header__logo-mark::before {
  content: 'GA';
  position: absolute;
  inset: 0.28rem;
  display: grid;
  place-items: center;
  border-radius: inherit;
  background: rgba(5, 8, 19, 0.92);
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: #ffffff;
  z-index: 2;
}

.env-header__logo-mark::after {
  content: '';
  position: absolute;
  inset: -40%;
  background: linear-gradient(
    115deg,
    transparent 35%,
    rgba(255, 255, 255, 0.34) 48%,
    transparent 62%
  );
  transform: translateX(-70%) rotate(8deg);
  transition: transform var(--transition-slow);
}

.env-header__logo-link:hover .env-header__logo-mark::after,
.env-header__logo-link:focus-visible .env-header__logo-mark::after {
  transform: translateX(70%) rotate(8deg);
}

.env-header__logo-chip {
  display: none;
}

.env-header__brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.env-header__brand-title {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 850;
  line-height: 1;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #ffffff;
  white-space: nowrap;
}

.env-header__brand-subtitle {
  margin-top: 0.28rem;
  font-size: 0.67rem;
  line-height: 1.2;
  color: var(--color-text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Toggle */
.env-header__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.85rem;
  height: 2.85rem;
  flex: 0 0 auto;
  cursor: pointer;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.08),
      rgba(255, 255, 255, 0.02)
    ),
    rgba(5, 8, 19, 0.9);
  color: #ffffff;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast);
}

.env-header__toggle:hover,
.env-header__toggle:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(47, 47, 228, 0.55);
  background:
    linear-gradient(135deg, rgba(47, 47, 228, 0.28), rgba(206, 38, 38, 0.16)),
    rgba(5, 8, 19, 0.96);
}

.env-header__toggle-box {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.32rem;
}

.env-header__toggle-line {
  width: 1.22rem;
  height: 2px;
  border-radius: 999px;
  background: #ffffff;
  transition:
    transform var(--transition-fast),
    opacity var(--transition-fast),
    width var(--transition-fast);
}

.env-header__toggle-line:nth-child(2) {
  width: 0.82rem;
  margin-left: auto;
}

/* Mobile navigation */
.env-header__nav {
  position: absolute;
  inset-inline: var(--space-4);
  top: calc(100% + 0.7rem);
  display: block;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-0.4rem) scale(0.98);
  transform-origin: top center;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    radial-gradient(circle at 0% 0%, rgba(47, 47, 228, 0.24), transparent 42%),
    radial-gradient(
      circle at 100% 10%,
      rgba(206, 38, 38, 0.16),
      transparent 40%
    ),
    rgba(5, 8, 19, 0.98);
  box-shadow: var(--shadow-strong);
  transition:
    max-height var(--transition-slow),
    opacity var(--transition-normal),
    transform var(--transition-normal);
}

.env-header--menu-open .env-header__nav {
  max-height: 78vh;
  opacity: 1;
  transform: translateY(0) scale(1);
}

.env-header__nav-list {
  display: grid;
  gap: 0.45rem;
  list-style: none;
  margin: 0;
  padding: var(--space-3);
}

.env-header__nav-item {
  width: 100%;
}

.env-header__nav-link {
  position: relative;
  min-height: 2.9rem;
  display: flex;
  align-items: center;
  padding: 0.85rem var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.026);
  font-size: var(--font-size-sm);
  font-weight: 650;
  color: var(--color-gray-100);
  overflow: hidden;
  transition:
    color var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.env-header__nav-link::before {
  content: '';
  width: 0.45rem;
  height: 0.45rem;
  flex: 0 0 auto;
  margin-right: 0.65rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #2f2fe4, #ce2626);
  box-shadow: 0 0 14px rgba(47, 47, 228, 0.44);
  opacity: 0.55;
  transition:
    opacity var(--transition-fast),
    transform var(--transition-fast);
}

.env-header__nav-link::after {
  content: '';
  position: absolute;
  inset: auto var(--space-4) 0.42rem var(--space-4);
  height: 1px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    rgba(47, 47, 228, 0.85),
    rgba(206, 38, 38, 0.65)
  );
  opacity: 0;
  transform: scaleX(0.35);
  transform-origin: left;
  transition:
    opacity var(--transition-fast),
    transform var(--transition-fast);
}

.env-header__nav-link:hover,
.env-header__nav-link:focus-visible {
  color: #ffffff;
  background: rgba(47, 47, 228, 0.13);
  border-color: rgba(47, 47, 228, 0.24);
  transform: translateX(2px);
}

.env-header__nav-link:hover::before,
.env-header__nav-link:focus-visible::before {
  opacity: 1;
  transform: scale(1.25);
}

.env-header__nav-link:hover::after,
.env-header__nav-link:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.env-header__nav-item--cta {
  width: 100%;
  margin-left: 0;
  margin-top: var(--space-2);
}

.env-header__cta {
  width: 100%;
  min-height: 2.9rem;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  background: linear-gradient(135deg, #2f2fe4, #ce2626);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 16px 36px rgba(47, 47, 228, 0.28);
}

.env-header__cta:hover,
.env-header__cta:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 46px rgba(206, 38, 38, 0.26);
}

/* Open state icon */
.env-header--menu-open .env-header__toggle-line:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.env-header--menu-open .env-header__toggle-line:nth-child(2) {
  width: 1.22rem;
  transform: translateY(-5px) rotate(-45deg);
}

/* Desktop */
@media (min-width: 900px) {
  .env-header {
    top: var(--space-3);
    width: calc(100% - var(--space-6));
    max-width: 1180px;
    margin-inline: auto;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  .env-header::before {
    inset-inline: 2.25rem;
  }

  .env-header__inner {
    min-height: 4.3rem;
    padding: 0.55rem 0.72rem 0.55rem 1rem;
  }

  .env-header__toggle {
    display: none;
  }

  .env-header__nav {
    position: static;
    display: flex;
    max-height: none;
    overflow: visible;
    opacity: 1;
    transform: none;
    border: none;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.034);
    box-shadow: none;
  }

  .env-header__nav-list {
    display: flex;
    align-items: center;
    gap: 0.15rem;
    padding: 0.32rem;
  }

  .env-header__nav-item {
    width: auto;
  }

  .env-header__nav-link {
    min-height: 2.55rem;
    padding: 0.65rem 0.95rem;
    border-radius: 999px;
    background: transparent;
    color: var(--color-text-muted);
    white-space: nowrap;
  }

  .env-header__nav-link::before {
    display: none;
  }

  .env-header__nav-link::after {
    inset: auto 1rem 0.45rem 1rem;
  }

  .env-header__nav-link:hover,
  .env-header__nav-link:focus-visible {
    transform: none;
    background: rgba(47, 47, 228, 0.15);
    color: #ffffff;
  }

  .env-header__nav-item--cta {
    width: auto;
    margin-top: 0;
    margin-left: 0.25rem;
  }

  .env-header__cta {
    width: auto;
    min-height: 2.55rem;
    padding-inline: 1.25rem;
    border-radius: 999px;
  }
}

@media (max-width: 380px) {
  .env-header__brand-subtitle {
    display: none;
  }

  .env-header__brand-title {
    font-size: 0.82rem;
  }
}