/* ========================================
   HAMBURGER MENU (Mobile/Tablet)
   Bottom center floating button → Fullscreen menu
   ======================================== */

/* FLOATING NAVBAR - Bottom Center */
.floating-navbar {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: none; /* Hidden on desktop, shown on mobile/tablet */
}

/* HAMBURGER BUTTON - Circle */
.hamburger,.hamburger-menu {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.95);
    border: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    box-shadow: 0 4px 30px rgba(16, 185, 129, 0.5),
                0 0 40px rgba(16, 185, 129, 0.2);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.hamburger::before,.hamburger-menu::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    padding: 2px;
    background: linear-gradient(135deg, var(--arcane-emerald), var(--arcane-cyan));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    -webkit-mask-composite: xor;
}

.hamburger:hover,.hamburger-menu:hover {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 6px 40px rgba(16, 185, 129, 0.7),
                0 0 60px rgba(16, 185, 129, 0.4);
}

.hamburger span,.hamburger-menu span {
    width: 28px;
    height: 3px;
    background: linear-gradient(90deg, var(--arcane-emerald), var(--arcane-cyan));
    border-radius: 4px;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* CROSS ANIMATION */
.hamburger.active,.hamburger-menu.active {
    transform: rotate(180deg);
}

.hamburger.active span:nth-child(1),.hamburger-menu.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.hamburger.active span:nth-child(2),.hamburger-menu.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.active span:nth-child(3),.hamburger-menu.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* ========================================
   FULLSCREEN MENU (Correct classes)
   ======================================== */

.menu-fullscreen,
.fullscreen-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, 
        rgba(10, 14, 39, 0.98) 0%, 
        rgba(5, 8, 22, 0.98) 50%, 
        rgba(0, 0, 0, 0.98) 100%);
    backdrop-filter: blur(20px);
    display: flex;
    justify-content: center;
    align-items: center;
    transform: scaleY(0);
    transform-origin: bottom;
    opacity: 0;
    z-index: 5; /* Layer 5: Fullscreen Overlay */
    transition: transform 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55), 
                opacity 0.4s ease;
    pointer-events: none;
}

.menu-fullscreen.open,
.fullscreen-menu.open {
    transform: scaleY(1);
    opacity: 1;
    pointer-events: all;
}

/* MENU NAV */
.fullscreen-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
}

.fullscreen-nav .menu-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    color: white;
    text-decoration: none;
    font-weight: bold;
    background: linear-gradient(90deg, white, var(--arcane-emerald));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: all 0.3s ease;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.fullscreen-menu.open .menu-link {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delays */
.fullscreen-menu.open .menu-link:nth-child(1) { transition-delay: 0.15s; }
.fullscreen-menu.open .menu-link:nth-child(2) { transition-delay: 0.25s; }
.fullscreen-menu.open .menu-link:nth-child(3) { transition-delay: 0.35s; }
.fullscreen-menu.open .menu-link:nth-child(4) { transition-delay: 0.45s; }
.fullscreen-menu.open .menu-link:nth-child(5) { transition-delay: 0.55s; }
.fullscreen-menu.open .menu-link:nth-child(6) { transition-delay: 0.65s; }

.fullscreen-nav .menu-link ion-icon {
    font-size: 2rem;
    color: var(--arcane-emerald);
    transition: all 0.3s ease;
}

.fullscreen-nav .menu-link:hover {
    background: linear-gradient(90deg, var(--arcane-emerald), var(--arcane-cyan), white);
    -webkit-background-clip: text;
    background-clip: text;
    text-shadow: 0 0 20px rgba(16, 185, 129, 0.5);
}

.fullscreen-nav .menu-link:hover ion-icon {
    transform: scale(1.2) rotate(10deg);
    color: var(--arcane-cyan);
}

.fullscreen-nav .menu-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--arcane-emerald), var(--arcane-cyan));
    border-radius: 2px;
    transition: transform 0.3s ease;
}

.fullscreen-nav .menu-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

/* MENU ITEMS (Legacy support) */
.menu-fullscreen .menu-items {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: center;
}

.menu-fullscreen .menu-items li {
    opacity: 0;
    transform: translateY(30px);
    margin: 1.5rem 0;
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.menu-fullscreen.open .menu-items li {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delays */
.menu-fullscreen.open .menu-items li:nth-child(1) { transition-delay: 0.15s; }
.menu-fullscreen.open .menu-items li:nth-child(2) { transition-delay: 0.25s; }
.menu-fullscreen.open .menu-items li:nth-child(3) { transition-delay: 0.35s; }
.menu-fullscreen.open .menu-items li:nth-child(4) { transition-delay: 0.45s; }

.menu-fullscreen .menu-items a {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: white;
    text-decoration: none;
    font-weight: bold;
    background: linear-gradient(90deg, white, var(--arcane-emerald));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
}

.menu-fullscreen .menu-items a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--arcane-emerald), var(--arcane-cyan));
    border-radius: 2px;
    transition: transform 0.3s ease;
}

.menu-fullscreen .menu-items a:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.menu-fullscreen .menu-items a:hover {
    background: linear-gradient(90deg, var(--arcane-emerald), var(--arcane-cyan), white);
    -webkit-background-clip: text;
    background-clip: text;
    text-shadow: 0 0 20px rgba(16, 185, 129, 0.5);
}

/* ========================================
   RESPONSIVE BEHAVIOR
   ======================================== */

/* Show hamburger on tablet and mobile */
@media (max-width: 1024px) {
    .floating-navbar,
    #hamburger-btn {
        display: block !important;
    }
}

@media (max-width: 768px) {
    .hamburger,.hamburger-menu {
        width: 55px;
        height: 55px;
        bottom: 1.5rem;
    }
    
    .hamburger span,.hamburger-menu span {
        width: 24px;
    }
    
    .fullscreen-nav .menu-link {
        font-size: clamp(1.2rem, 6vw, 2rem);
        gap: 0.8rem;
    }
    
    .fullscreen-nav .menu-link ion-icon {
        font-size: 1.5rem;
    }
    
    .menu-fullscreen .menu-items a {
        font-size: clamp(1.5rem, 8vw, 2.5rem);
    }
    
    .menu-fullscreen .menu-items li {
        margin: 1.2rem 0;
    }
}