/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-fast);
}

.btn-icon {
    width: var(--icon-sm);
    height: var(--icon-sm);
    flex-shrink: 0;
}

.btn-primary {
    background: linear-gradient(135deg, var(--turquoise-medium), var(--violet-medium));
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: var(--violet-dark);
    border: 2px solid var(--violet-light);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--white);
    border-color: var(--violet-medium);
    transform: translateY(-2px);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Button animations */
.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}