/* =============================================================================
   header.css — Squircle floating frosted glass navigation bar
   ============================================================================= */

.header-wrapper {
  position: fixed;
  top: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 2.5rem); /* full width minus breathing room on sides */
  z-index: 1000;
  pointer-events: none;
}

.site-header {
  pointer-events: auto;
  width: 100%;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.25rem;
  position: relative;

  /* Squircle shape — rounded rectangle, not pill */
  border-radius: 24px;

  /* Frosted glass */
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);

  /* Glass edge */
  border: 1px solid rgba(255, 255, 255, 0.25);

  /* Depth shadow */
  box-shadow:
    0 8px 32px 0 rgba(0, 0, 0, 0.3),
    inset 0 1px 1px rgba(255, 255, 255, 0.5);

  transition: all 0.3s ease;
}

/* Brand Logo Image */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo .logo-icon {
  height: 40px;
  width: auto;
  object-fit: contain;
  display: block;
}

.nav-logo .logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.12));
}

/* Navigation Links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--brand-black);
  position: relative;
  padding: 0.25rem 0;
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0%;
  height: 2.5px;
  background-color: var(--brand-yellow);
  transition: width 0.25s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  font-weight: 700;
}

/* Mobile CTA button inside drawer (hidden by default on desktop) */
.mobile-cta-item {
  display: none;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Hamburger Menu Button (Mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 0;
  border-radius: 50%;
  -webkit-tap-highlight-color: transparent;
  z-index: 1010;
  transition: background-color 0.2s ease;
}

.hamburger:hover {
  background: rgba(255, 255, 255, 0.2);
}

.hamburger span {
  width: 22px;
  height: 2.5px;
  background-color: var(--brand-black);
  border-radius: 9999px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: block;
}

/* Tablet & Mobile Navigation */
@media (max-width: 900px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: calc(1.25rem + 72px + 0.5rem); /* wrapper top + header height + gap */
    left: 1.25rem;
    right: 1.25rem;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(24px) saturate(140%);
    -webkit-backdrop-filter: blur(24px) saturate(140%);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 
      0 16px 40px rgba(0, 0, 0, 0.18),
      0 0 0 1px rgba(255, 222, 89, 0.35);
    flex-direction: column;
    align-items: stretch;
    padding: 1.25rem;
    gap: 0.25rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 999;
  }

  body.nav-open .nav-menu {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-link {
    padding: 0.85rem 1rem;
    font-size: 1.05rem;
    border-radius: 12px;
    display: block;
  }

  .nav-link:hover,
  .nav-link.active {
    background-color: rgba(255, 222, 89, 0.25);
  }

  .nav-link::after {
    display: none;
  }

  /* Hamburger → X when open */
  body.nav-open .hamburger span:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
  }
  body.nav-open .hamburger span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }
  body.nav-open .hamburger span:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
  }

  .header-actions .btn {
    display: none;
  }

  .mobile-cta-item {
    display: block;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
  }

  .mobile-cta-item .btn {
    width: 100%;
    text-align: center;
  }
}

/* Smartphone Screens */
@media (max-width: 600px) {
  .header-wrapper {
    top: 0.75rem;
    width: calc(100% - 1.5rem);
  }

  .site-header {
    height: 60px;
    padding: 0 1.25rem;
    border-radius: 20px;
  }

  .nav-logo .logo-icon {
    height: 30px;
  }

  .nav-logo .logo-img {
    height: 32px;
  }

  .nav-menu {
    top: calc(0.75rem + 60px + 0.5rem);
    left: 0.75rem;
    right: 0.75rem;
  }
}