/* Mobile Hamburger Menu & Sticky CTA Bar */

/* ========================================
   HAMBURGER BUTTON
   ======================================== */

.navbar__hamburger {
  display: none; /* Hidden on desktop, shown by navbar.css at mobile breakpoint */
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  z-index: 1002;
  transition: transform 0.2s ease;
}

.navbar__hamburger:hover {
  transform: scale(1.05);
}

.navbar__hamburger:focus {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 4px;
}

/* Hamburger lines */
.navbar__hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
  border-radius: 2px;
}

/* Active state: X animation */
.navbar__hamburger.active .navbar__hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar__hamburger.active .navbar__hamburger-line:nth-child(2) {
  opacity: 0;
}

.navbar__hamburger.active .navbar__hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========================================
   MOBILE MENU OVERLAY
   ======================================== */

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 1001;

  /* Glass effect with near-opaque background for readability */
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);

  /* Layout */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xl);
  padding: var(--spacing-xl);

  /* Hidden by default */
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* Open state */
.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

/* Lock body scroll when menu is open */
body.menu-open {
  overflow: hidden;
}

/* ========================================
   MOBILE MENU LINKS
   ======================================== */

.mobile-menu__link {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-decoration: none;
  padding: var(--spacing-md);
  transition: color 0.2s ease, transform 0.3s ease;

  /* Stagger animation setup */
  opacity: 0;
  transform: translateY(20px);
}

/* Active link */
.mobile-menu__link.active {
  color: var(--color-accent-primary);
  position: relative;
}

.mobile-menu__link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-accent-gradient);
  border-radius: 2px;
}

/* Hover state */
.mobile-menu__link:hover,
.mobile-menu__link:focus {
  color: var(--color-accent-primary);
  transform: translateY(-2px);
  outline: none;
}

/* Stagger animation when menu opens */
.mobile-menu.open .mobile-menu__link {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu.open .mobile-menu__link:nth-child(1) {
  transition-delay: 0.1s;
}

.mobile-menu.open .mobile-menu__link:nth-child(2) {
  transition-delay: 0.2s;
}

.mobile-menu.open .mobile-menu__link:nth-child(3) {
  transition-delay: 0.3s;
}

.mobile-menu.open .mobile-menu__link:nth-child(4) {
  transition-delay: 0.4s;
}

/* ========================================
   MOBILE MENU STATUS
   ======================================== */

.mobile-menu__status {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s ease 0.5s, transform 0.3s ease 0.5s;
}

.mobile-menu.open .mobile-menu__status {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   MOBILE MENU CTA
   ======================================== */

.mobile-menu__cta {
  /* Large CTA button for mobile */
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--color-accent-gradient);
  color: var(--color-white);
  text-decoration: none;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  border-radius: var(--spacing-sm);
  box-shadow: var(--shadow-glow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.3s ease;
  margin-top: var(--spacing-lg);
  width: 100%;
  max-width: 300px;
  text-align: center;

  /* Animation */
  opacity: 0;
  transform: translateY(20px);
}

.mobile-menu.open .mobile-menu__cta {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.6s;
}

.mobile-menu__cta:hover,
.mobile-menu__cta:focus {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(139, 92, 246, 0.5);
  outline: none;
}

/* ========================================
   MOBILE STICKY CTA BAR
   ======================================== */

.mobile-sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;

  /* Glass effect */
  background: var(--color-background-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);

  /* Border and shadow */
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 6px rgba(0, 0, 0, 0.3);

  /* Padding with safe area for notched phones */
  padding: var(--spacing-sm) var(--spacing-md);
  padding-bottom: calc(var(--spacing-sm) + env(safe-area-inset-bottom, 0px));

  /* Layout */
  display: none; /* Only show on mobile */

  /* Hidden by default, slide up when visible */
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

/* Show at mobile breakpoint */
@media (max-width: 767px) {
  .mobile-sticky-cta {
    display: flex;
    justify-content: center;
  }
}

/* Visible state */
.mobile-sticky-cta.visible {
  transform: translateY(0);
}

/* CTA button inside sticky bar */
.mobile-sticky-cta__button {
  width: 100%;
  max-width: 400px;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-accent-gradient);
  color: var(--color-white);
  text-decoration: none;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  border: none;
  border-radius: var(--spacing-sm);
  box-shadow: var(--shadow-glow);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-align: center;
  display: block;
}

.mobile-sticky-cta__button:hover,
.mobile-sticky-cta__button:focus {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(139, 92, 246, 0.5);
  outline: none;
}