/* ==========================================
   Input Field & Button Touch & Focus Effects
   ========================================== */
.field-hover-effect {
    transition: border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

.field-hover-effect:focus {
    border-color: #6366f1;
    box-shadow: 0 0 12px rgba(99, 102, 241, 0.35);
}

.btn-hover-effect {
    transition: background-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out, transform 0.2s ease-in-out;
    -webkit-tap-highlight-color: transparent;
    will-change: transform;
    min-height: 44px;
}

.btn-hover-effect:active {
    background-color: #4338ca;
    transform: translateY(0);
    box-shadow: 0 0 12px rgba(79, 70, 229, 0.4);
}

/* ==========================================
   Mobile Hamburger Button (Pure CSS/JS ready)
   ========================================== */
.hamburger-btn {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: transparent;
    border: none;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background-color: #6366f1;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
}

/* Active/Open State Transformation (Animates to an 'X') */
.hamburger-btn.is-active .hamburger-line:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}

.hamburger-btn.is-active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger-btn.is-active .hamburger-line:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

/* ==========================================
   Desktop Hover States (Fine Pointer Devices)
   ========================================== */

@media (hover: hover) and (pointer: fine) {
    .field-hover-effect:hover {
        border-color: #6366f1;
        box-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
    }
    
    .btn-hover-effect:hover {
        background-color: #4338ca;
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.45);
        transform: translateY(-1px);
    }

    .hamburger-btn:hover .hamburger-line {
        background-color: #818cf8;
    } 
}